From: David Blasby Date: Mon, 26 Apr 2004 23:05:20 +0000 (+0000) Subject: Initial working version - based on Ralph Masons WKT and WKB parser/writer. X-Git-Tag: pgis_0_8_2~51 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7f00d8b36dfa7c15f1d984eec4226a4518b34b96;p=postgis Initial working version - based on Ralph Masons WKT and WKB parser/writer. git-svn-id: http://svn.osgeo.org/postgis/trunk@508 b70326c6-7e19-0410-871a-916f4a2858ee --- diff --git a/lwgeom/Makefile b/lwgeom/Makefile index b8f345bea..665c0d2bc 100644 --- a/lwgeom/Makefile +++ b/lwgeom/Makefile @@ -3,7 +3,7 @@ #--------------------------------------------------------------- # Set USE_PROJ to 1 for Proj4 reprojection support # -USE_PROJ=1 +USE_PROJ=0 ifeq (${PROJ_DIR},) PROJ_DIR=/usr/local endif @@ -12,7 +12,7 @@ endif # Set USE_GEOS to 1 for GEOS spatial predicate and operator # support # -USE_GEOS=1 +USE_GEOS=0 ifeq (${GEOS_DIR},) GEOS_DIR=/usr/local endif @@ -94,7 +94,8 @@ POSTGIS_VERSION = $(SO_MAJOR_VERSION).$(SO_MINOR_VERSION) USE_GEOS=$(USE_GEOS) U #--------------------------------------------------------------- -override CFLAGS += -g -fexceptions +override CFLAGS += -g + override CFLAGS += -I$(srcdir) -DFRONTEND -DSYSCONFDIR='"$(sysconfdir)"' override CFLAGS += -DUSE_VERSION=$(USE_VERSION) @@ -134,7 +135,8 @@ ifeq ($(USE_GEOS),1) GEOS_WRAPPER=postgis_geos_wrapper.o endif -OBJS=lwgeom_api.o lwgeom_functions_analytic.o lwgeom_geos.o lwgeom_inout.o lwgeom_estimate.o lwgeom_functions_basic.o lwgeom_gist.o lwgeom_transform.o stringBuffer.o +OBJS=lwgeom_api.o lwgeom_functions_analytic.o lwgeom_geos.o lwgeom_inout.o lwgeom_estimate.o lwgeom_functions_basic.o lwgeom_gist.o lwgeom_transform.o stringBuffer.o lwgeom_box2dfloat4.o lex.yy.o wktparse.tab.o lwgparse.o wktunparse.o + diff --git a/lwgeom/lex.yy.c b/lwgeom/lex.yy.c new file mode 100644 index 000000000..d72d004fa --- /dev/null +++ b/lwgeom/lex.yy.c @@ -0,0 +1,3309 @@ +#define yy_create_buffer lwg_parse_yy_create_buffer +#define yy_delete_buffer lwg_parse_yy_delete_buffer +#define yy_scan_buffer lwg_parse_yy_scan_buffer +#define yy_scan_string lwg_parse_yy_scan_string +#define yy_scan_bytes lwg_parse_yy_scan_bytes +#define yy_flex_debug lwg_parse_yy_flex_debug +#define yy_init_buffer lwg_parse_yy_init_buffer +#define yy_flush_buffer lwg_parse_yy_flush_buffer +#define yy_load_buffer_state lwg_parse_yy_load_buffer_state +#define yy_switch_to_buffer lwg_parse_yy_switch_to_buffer +#define yyin lwg_parse_yyin +#define yyleng lwg_parse_yyleng +#define yylex lwg_parse_yylex +#define yyout lwg_parse_yyout +#define yyrestart lwg_parse_yyrestart +#define yytext lwg_parse_yytext +#define yywrap lwg_parse_yywrap + +#line 20 "lex.yy.c" +/* A lexical scanner generated by flex */ + +/* Scanner skeleton version: + * $Header$ + */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 + +#include +#include + + +/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ +#ifdef c_plusplus +#ifndef __cplusplus +#define __cplusplus +#endif +#endif + + +#ifdef __cplusplus + +#include + +/* Use prototypes in function declarations. */ +#define YY_USE_PROTOS + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +#if __STDC__ + +#define YY_USE_PROTOS +#define YY_USE_CONST + +#endif /* __STDC__ */ +#endif /* ! __cplusplus */ + +#ifdef __TURBOC__ + #pragma warn -rch + #pragma warn -use +#include +#include +#define YY_USE_CONST +#define YY_USE_PROTOS +#endif + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + + +#ifdef YY_USE_PROTOS +#define YY_PROTO(proto) proto +#else +#define YY_PROTO(proto) () +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN yy_start = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START ((yy_start - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart( yyin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#define YY_BUF_SIZE 16384 + +typedef struct yy_buffer_state *YY_BUFFER_STATE; + +extern int yyleng; +extern FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + +/* The funky do-while in the following #define is used to turn the definition + * int a single C statement (which needs a semi-colon terminator). This + * avoids problems with code like: + * + * if ( condition_holds ) + * yyless( 5 ); + * else + * do_something_else(); + * + * Prior to using the do-while the compiler would get upset at the + * "else" because it interpreted the "if" statement as being all + * done when it reached the ';' after the yyless() call. + */ + +/* Return all but the first 'n' matched characters back to the input stream. */ + +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + *yy_cp = yy_hold_char; \ + YY_RESTORE_YY_MORE_OFFSET \ + yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, yytext_ptr ) + +/* The following is because we cannot portably get our hands on size_t + * (without autoconf's help, which isn't available because we want + * flex-generated scanners to compile on their own). + */ +typedef unsigned int yy_size_t; + + +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + }; + +static YY_BUFFER_STATE yy_current_buffer = 0; + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + */ +#define YY_CURRENT_BUFFER yy_current_buffer + + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; + +static int yy_n_chars; /* number of characters read into yy_ch_buf */ + + +int yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 1; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void yyrestart YY_PROTO(( FILE *input_file )); + +void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer )); +void yy_load_buffer_state YY_PROTO(( void )); +YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size )); +void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b )); +void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file )); +void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b )); +#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer ) + +YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size )); +YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str )); +YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len )); + +static void *yy_flex_alloc YY_PROTO(( yy_size_t )); +static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t )); +static void yy_flex_free YY_PROTO(( void * )); + +#define yy_new_buffer yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! yy_current_buffer ) \ + yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \ + yy_current_buffer->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! yy_current_buffer ) \ + yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \ + yy_current_buffer->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (yy_current_buffer->yy_at_bol) + +typedef char YY_CHAR; +FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; +typedef int yy_state_type; +extern char *yytext; +#define yytext_ptr yytext +static yyconst short yy_nxt[][128] = + { + { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 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-93, -93, -93, -93, -93, -93, -93, + + 95, -93, -93, -93, -93, -93, -93, -93, -93, -93, + -93, -93, -93, -93, -93, -93, -93, -93 + }, + + { + 5, -94, -94, -94, -94, -94, -94, -94, -94, -94, + -94, -94, -94, -94, -94, -94, -94, -94, -94, -94, + -94, -94, -94, -94, -94, -94, -94, -94, -94, -94, + -94, -94, -94, -94, -94, -94, -94, -94, -94, -94, + -94, -94, -94, -94, -94, -94, -94, -94, -94, -94, + -94, -94, -94, -94, -94, -94, -94, -94, -94, -94, + -94, -94, -94, -94, -94, -94, -94, -94, -94, -94, + -94, -94, -94, -94, -94, -94, -94, -94, -94, -94, + + -94, -94, -94, -94, 96, -94, -94, -94, -94, -94, + -94, -94, -94, -94, -94, -94, -94, -94, -94, -94, + -94, -94, -94, -94, -94, -94, -94, -94, -94, -94, + -94, -94, -94, -94, -94, -94, 96, -94, -94, -94, + -94, -94, -94, -94, -94, -94, -94, -94 + }, + + { + 5, -95, -95, -95, -95, -95, -95, -95, -95, -95, + -95, -95, -95, -95, -95, -95, -95, -95, -95, -95, + -95, -95, -95, -95, -95, -95, -95, -95, -95, -95, + -95, -95, -95, -95, -95, -95, -95, -95, -95, -95, + -95, -95, -95, -95, -95, -95, -95, -95, -95, -95, + + -95, -95, -95, -95, -95, -95, -95, -95, -95, -95, + -95, -95, -95, -95, -95, -95, -95, -95, -95, -95, + -95, 97, -95, -95, -95, -95, -95, -95, -95, -95, + -95, -95, -95, -95, -95, -95, -95, -95, -95, -95, + -95, -95, -95, -95, -95, -95, -95, -95, -95, -95, + -95, -95, -95, 97, -95, -95, -95, -95, -95, -95, + -95, -95, -95, -95, -95, -95, -95, -95, -95, -95, + -95, -95, -95, -95, -95, -95, -95, -95 + }, + + { + 5, -96, -96, -96, -96, -96, -96, -96, -96, -96, + -96, -96, -96, -96, -96, -96, -96, -96, -96, -96, + + -96, -96, -96, -96, -96, -96, -96, -96, -96, -96, + -96, -96, -96, -96, -96, -96, -96, -96, -96, -96, + -96, -96, -96, -96, -96, -96, -96, -96, -96, -96, + -96, -96, -96, -96, -96, -96, -96, -96, -96, -96, + -96, -96, -96, -96, -96, -96, -96, -96, -96, -96, + -96, -96, -96, 98, -96, -96, -96, -96, -96, -96, + -96, -96, -96, -96, -96, -96, -96, -96, -96, -96, + -96, -96, -96, -96, -96, -96, -96, -96, -96, -96, + -96, -96, -96, -96, -96, 98, -96, -96, -96, -96, + -96, -96, -96, -96, -96, -96, -96, -96, -96, -96, + + -96, -96, -96, -96, -96, -96, -96, -96 + }, + + { + 5, -97, -97, -97, -97, -97, -97, -97, -97, -97, + -97, -97, -97, -97, -97, -97, -97, -97, -97, -97, + -97, -97, -97, -97, -97, -97, -97, -97, -97, -97, + -97, -97, -97, -97, -97, -97, -97, -97, -97, -97, + -97, -97, -97, -97, -97, -97, -97, -97, -97, -97, + -97, -97, -97, -97, -97, -97, -97, -97, -97, -97, + -97, -97, -97, -97, -97, -97, -97, -97, -97, -97, + -97, -97, -97, -97, -97, -97, -97, -97, -97, -97, + -97, -97, -97, -97, -97, -97, -97, -97, -97, -97, + + -97, -97, -97, -97, -97, -97, -97, -97, -97, -97, + -97, -97, -97, -97, -97, -97, -97, -97, -97, -97, + -97, -97, -97, -97, -97, -97, -97, -97, -97, -97, + -97, -97, -97, -97, -97, -97, -97, -97 + }, + + { + 5, -98, -98, -98, -98, -98, -98, -98, -98, -98, + -98, -98, -98, -98, -98, -98, -98, -98, -98, -98, + -98, -98, -98, -98, -98, -98, -98, -98, -98, -98, + -98, -98, -98, -98, -98, -98, -98, -98, -98, -98, + -98, -98, -98, -98, -98, -98, -98, -98, -98, -98, + -98, -98, -98, -98, -98, -98, -98, -98, -98, -98, + + -98, -98, -98, -98, -98, -98, -98, -98, -98, -98, + -98, -98, -98, -98, -98, -98, -98, -98, -98, 99, + -98, -98, -98, -98, -98, -98, -98, -98, -98, -98, + -98, -98, -98, -98, -98, -98, -98, -98, -98, -98, + -98, -98, -98, -98, -98, -98, -98, -98, -98, -98, + -98, 99, -98, -98, -98, -98, -98, -98, -98, -98, + -98, -98, -98, -98, -98, -98, -98, -98 + }, + + { + 5, -99, -99, -99, -99, -99, -99, -99, -99, -99, + -99, -99, -99, -99, -99, -99, -99, -99, -99, -99, + -99, -99, -99, -99, -99, -99, -99, -99, -99, -99, + + -99, -99, -99, -99, -99, -99, -99, -99, -99, -99, + -99, -99, -99, -99, -99, -99, -99, -99, -99, -99, + -99, -99, -99, -99, -99, -99, -99, -99, -99, -99, + -99, -99, -99, -99, -99, -99, -99, -99, -99, -99, + -99, -99, -99, -99, -99, -99, -99, -99, 100, -99, + -99, -99, -99, -99, -99, -99, -99, -99, -99, -99, + -99, -99, -99, -99, -99, -99, -99, -99, -99, -99, + -99, -99, -99, -99, -99, -99, -99, -99, -99, -99, + 100, -99, -99, -99, -99, -99, -99, -99, -99, -99, + -99, -99, -99, -99, -99, -99, -99, -99 + + }, + + { + 5, -100, -100, -100, -100, -100, -100, -100, -100, -100, + -100, -100, -100, -100, -100, -100, -100, -100, -100, -100, + -100, -100, -100, -100, -100, -100, -100, -100, -100, -100, + -100, -100, -100, -100, -100, -100, -100, -100, -100, -100, + -100, -100, -100, -100, -100, -100, -100, -100, -100, -100, + -100, -100, -100, -100, -100, -100, -100, -100, -100, -100, + -100, -100, -100, -100, -100, -100, -100, -100, -100, -100, + -100, -100, -100, -100, -100, -100, -100, -100, -100, -100, + -100, -100, -100, -100, -100, -100, -100, -100, -100, -100, + -100, -100, -100, -100, -100, -100, -100, -100, -100, -100, + + -100, -100, -100, -100, -100, -100, -100, -100, -100, -100, + -100, -100, -100, -100, -100, -100, -100, -100, -100, -100, + -100, -100, -100, -100, -100, -100, -100, -100 + }, + + } ; + + +static yy_state_type yy_get_previous_state YY_PROTO(( void )); +static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state )); +static int yy_get_next_buffer YY_PROTO(( void )); +static void yy_fatal_error YY_PROTO(( yyconst char msg[] )); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + yytext_ptr = yy_bp; \ + yyleng = (int) (yy_cp - yy_bp); \ + yy_hold_char = *yy_cp; \ + *yy_cp = '\0'; \ + yy_c_buf_p = yy_cp; + +#define YY_NUM_RULES 20 +#define YY_END_OF_BUFFER 21 +static yyconst short int yy_accept[101] = + { 0, + 0, 0, 1, 1, 21, 19, 18, 18, 13, 14, + 15, 19, 17, 16, 19, 19, 19, 19, 19, 19, + 1, 19, 1, 18, 2, 3, 0, 0, 0, 0, + 0, 0, 0, 1, 1, 2, 3, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 11, 0, 1, 12, 0, 0, 0, 4, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 5, 0, 7, 0, 0, 0, 0, 0, 0, + 9, 0, 0, 0, 0, 0, 8, 0, 0, 10 + + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +static yyconst yy_state_type yy_NUL_trans[101] = + { 0, + 6, 6, 6, 6, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + + } ; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *yytext; +#line 1 "wktparse.lex" +#define INITIAL 0 +/* + * Written by Ralph Mason ralph.masontelogis.com + * + * Copyright Telogis 2004 + * www.telogis.com + * + */ +#define vals_ok 1 + +#line 11 "wktparse.lex" +#include "wktparse.tab.h" + +static YY_BUFFER_STATE buf_state; + void init_parser(char *src) { BEGIN(0);buf_state = lwg_parse_yy_scan_string(src); } + void close_parser() { lwg_parse_yy_delete_buffer(buf_state); } + int lwg_parse_yywrap(void){ return 1; } + +#line 2118 "lex.yy.c" + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap YY_PROTO(( void )); +#else +extern int yywrap YY_PROTO(( void )); +#endif +#endif + +#ifndef YY_NO_UNPUT +static void yyunput YY_PROTO(( int c, char *buf_ptr )); +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int )); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen YY_PROTO(( yyconst char * )); +#endif + +#ifndef YY_NO_INPUT +#ifdef __cplusplus +static int yyinput YY_PROTO(( void )); +#else +static int input YY_PROTO(( void )); +#endif +#endif + +#if YY_STACK_USED +static int yy_start_stack_ptr = 0; +static int yy_start_stack_depth = 0; +static int *yy_start_stack = 0; +#ifndef YY_NO_PUSH_STATE +static void yy_push_state YY_PROTO(( int new_state )); +#endif +#ifndef YY_NO_POP_STATE +static void yy_pop_state YY_PROTO(( void )); +#endif +#ifndef YY_NO_TOP_STATE +static int yy_top_state YY_PROTO(( void )); +#endif + +#else +#define YY_NO_PUSH_STATE 1 +#define YY_NO_POP_STATE 1 +#define YY_NO_TOP_STATE 1 +#endif + +#ifdef YY_MALLOC_DECL +YY_MALLOC_DECL +#else +#if __STDC__ +#ifndef __cplusplus +#include +#endif +#else +/* Just try to get by without declaring the routines. This will fail + * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int) + * or sizeof(void*) != sizeof(int). + */ +#endif +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ + +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO (void) fwrite( yytext, yyleng, 1, yyout ) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL int yylex YY_PROTO(( void )) +#endif + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +YY_DECL + { + register yy_state_type yy_current_state; + register char *yy_cp = NULL, *yy_bp = NULL; + register int yy_act; + +#line 20 "wktparse.lex" + + + +#line 2260 "lex.yy.c" + + if ( yy_init ) + { + yy_init = 0; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! yy_start ) + yy_start = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! yy_current_buffer ) + yy_current_buffer = + yy_create_buffer( yyin, YY_BUF_SIZE ); + + yy_load_buffer_state(); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = yy_c_buf_p; + + /* Support of yytext. */ + *yy_cp = yy_hold_char; + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = yy_start; +yy_match: + while ( (yy_current_state = yy_nxt[yy_current_state][YY_SC_TO_UI(*yy_cp)]) > 0 ) + { + if ( yy_accept[yy_current_state] ) + { + yy_last_accepting_state = yy_current_state; + yy_last_accepting_cpos = yy_cp; + } + + ++yy_cp; + } + + yy_current_state = -yy_current_state; + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + + YY_DO_BEFORE_ACTION; + + +do_action: /* This label is used only to access EOF actions. */ + + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = yy_hold_char; + yy_cp = yy_last_accepting_cpos + 1; + yy_current_state = yy_last_accepting_state; + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 23 "wktparse.lex" +{ lwg_parse_yylval.value=atof(lwg_parse_yytext); return VALUE; } + YY_BREAK +case 2: +YY_RULE_SETUP +#line 25 "wktparse.lex" +{ lwg_parse_yylval.wkb=lwg_parse_yytext; return WKB;} + YY_BREAK +case 3: +YY_RULE_SETUP +#line 26 "wktparse.lex" +{ lwg_parse_yylval.wkb=lwg_parse_yytext; return WKB;} + YY_BREAK +case 4: +YY_RULE_SETUP +#line 28 "wktparse.lex" +{ return POINT; } + YY_BREAK +case 5: +YY_RULE_SETUP +#line 29 "wktparse.lex" +{ return LINESTRING; } + YY_BREAK +case 6: +YY_RULE_SETUP +#line 30 "wktparse.lex" +{ return POLYGON; } + YY_BREAK +case 7: +YY_RULE_SETUP +#line 31 "wktparse.lex" +{ return MULTIPOINT; } + YY_BREAK +case 8: +YY_RULE_SETUP +#line 32 "wktparse.lex" +{ return MULTILINESTRING; } + YY_BREAK +case 9: +YY_RULE_SETUP +#line 33 "wktparse.lex" +{ return MULTIPOLYGON; } + YY_BREAK +case 10: +YY_RULE_SETUP +#line 34 "wktparse.lex" +{ return GEOMETRYCOLLECTION; } + YY_BREAK +case 11: +YY_RULE_SETUP +#line 35 "wktparse.lex" +{ BEGIN(vals_ok); return SRID; } + YY_BREAK +case 12: +YY_RULE_SETUP +#line 36 "wktparse.lex" +{ return EMPTY; } + YY_BREAK +case 13: +YY_RULE_SETUP +#line 38 "wktparse.lex" +{ BEGIN(vals_ok); return LPAREN; } + YY_BREAK +case 14: +YY_RULE_SETUP +#line 39 "wktparse.lex" +{ return RPAREN; } + YY_BREAK +case 15: +YY_RULE_SETUP +#line 40 "wktparse.lex" +{ return COMMA ; } + YY_BREAK +case 16: +YY_RULE_SETUP +#line 41 "wktparse.lex" +{ return EQUALS ; } + YY_BREAK +case 17: +YY_RULE_SETUP +#line 42 "wktparse.lex" +{ BEGIN(0); return SEMICOLON; } + YY_BREAK +case 18: +YY_RULE_SETUP +#line 43 "wktparse.lex" +/*eat whitespace*/ + YY_BREAK +case 19: +YY_RULE_SETUP +#line 44 "wktparse.lex" +{ return lwg_parse_yytext[0]; } + YY_BREAK +case 20: +YY_RULE_SETUP +#line 46 "wktparse.lex" +ECHO; + YY_BREAK +#line 2431 "lex.yy.c" +case YY_STATE_EOF(INITIAL): +case YY_STATE_EOF(vals_ok): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = yy_hold_char; + YY_RESTORE_YY_MORE_OFFSET + + if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * yylex(). If so, then we have to assure + * consistency between yy_current_buffer and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + yy_n_chars = yy_current_buffer->yy_n_chars; + yy_current_buffer->yy_input_file = yyin; + yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state(); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = yytext_ptr + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++yy_c_buf_p; + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = yy_c_buf_p; + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer() ) + { + case EOB_ACT_END_OF_FILE: + { + yy_did_buffer_switch_on_eof = 0; + + if ( yywrap() ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + yy_c_buf_p = yytext_ptr + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + yy_c_buf_p = + yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state(); + + yy_cp = yy_c_buf_p; + yy_bp = yytext_ptr + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + yy_c_buf_p = + &yy_current_buffer->yy_ch_buf[yy_n_chars]; + + yy_current_state = yy_get_previous_state(); + + yy_cp = yy_c_buf_p; + yy_bp = yytext_ptr + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ + } /* end of yylex */ + + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ + +static int yy_get_next_buffer() + { + register char *dest = yy_current_buffer->yy_ch_buf; + register char *source = yytext_ptr; + register int number_to_move, i; + int ret_val; + + if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( yy_current_buffer->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + yy_current_buffer->yy_n_chars = yy_n_chars = 0; + + else + { + int num_to_read = + yy_current_buffer->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ +#ifdef YY_USES_REJECT + YY_FATAL_ERROR( +"input buffer overflow, can't enlarge buffer because scanner uses REJECT" ); +#else + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = yy_current_buffer; + + int yy_c_buf_p_offset = + (int) (yy_c_buf_p - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + yy_flex_realloc( (void *) b->yy_ch_buf, + b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = yy_current_buffer->yy_buf_size - + number_to_move - 1; +#endif + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]), + yy_n_chars, num_to_read ); + + yy_current_buffer->yy_n_chars = yy_n_chars; + } + + if ( yy_n_chars == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart( yyin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + yy_current_buffer->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + yy_n_chars += number_to_move; + yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR; + yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; + + yytext_ptr = &yy_current_buffer->yy_ch_buf[0]; + + return ret_val; + } + + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + +static yy_state_type yy_get_previous_state() + { + register yy_state_type yy_current_state; + register char *yy_cp; + + yy_current_state = yy_start; + + for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp ) + { + if ( *yy_cp ) + { + yy_current_state = yy_nxt[yy_current_state][YY_SC_TO_UI(*yy_cp)]; + } + else + yy_current_state = yy_NUL_trans[yy_current_state]; + if ( yy_accept[yy_current_state] ) + { + yy_last_accepting_state = yy_current_state; + yy_last_accepting_cpos = yy_cp; + } + } + + return yy_current_state; + } + + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + +#ifdef YY_USE_PROTOS +static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state ) +#else +static yy_state_type yy_try_NUL_trans( yy_current_state ) +yy_state_type yy_current_state; +#endif + { + register int yy_is_jam; + register char *yy_cp = yy_c_buf_p; + + yy_current_state = yy_NUL_trans[yy_current_state]; + yy_is_jam = (yy_current_state == 0); + + if ( ! yy_is_jam ) + { + if ( yy_accept[yy_current_state] ) + { + yy_last_accepting_state = yy_current_state; + yy_last_accepting_cpos = yy_cp; + } + } + + return yy_is_jam ? 0 : yy_current_state; + } + + +#ifndef YY_NO_UNPUT +#ifdef YY_USE_PROTOS +static void yyunput( int c, register char *yy_bp ) +#else +static void yyunput( c, yy_bp ) +int c; +register char *yy_bp; +#endif + { + register char *yy_cp = yy_c_buf_p; + + /* undo effects of setting up yytext */ + *yy_cp = yy_hold_char; + + if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + register int number_to_move = yy_n_chars + 2; + register char *dest = &yy_current_buffer->yy_ch_buf[ + yy_current_buffer->yy_buf_size + 2]; + register char *source = + &yy_current_buffer->yy_ch_buf[number_to_move]; + + while ( source > yy_current_buffer->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + yy_current_buffer->yy_n_chars = + yy_n_chars = yy_current_buffer->yy_buf_size; + + if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + + yytext_ptr = yy_bp; + yy_hold_char = *yy_cp; + yy_c_buf_p = yy_cp; + } +#endif /* ifndef YY_NO_UNPUT */ + + +#ifdef __cplusplus +static int yyinput() +#else +static int input() +#endif + { + int c; + + *yy_c_buf_p = yy_hold_char; + + if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] ) + /* This was really a NUL. */ + *yy_c_buf_p = '\0'; + + else + { /* need more input */ + int offset = yy_c_buf_p - yytext_ptr; + ++yy_c_buf_p; + + switch ( yy_get_next_buffer() ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + yyrestart( yyin ); + + /* fall through */ + + case EOB_ACT_END_OF_FILE: + { + if ( yywrap() ) + return EOF; + + if ( ! yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + yy_c_buf_p = yytext_ptr + offset; + break; + } + } + } + + c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */ + *yy_c_buf_p = '\0'; /* preserve yytext */ + yy_hold_char = *++yy_c_buf_p; + + + return c; + } + + +#ifdef YY_USE_PROTOS +void yyrestart( FILE *input_file ) +#else +void yyrestart( input_file ) +FILE *input_file; +#endif + { + if ( ! yy_current_buffer ) + yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); + + yy_init_buffer( yy_current_buffer, input_file ); + yy_load_buffer_state(); + } + + +#ifdef YY_USE_PROTOS +void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) +#else +void yy_switch_to_buffer( new_buffer ) +YY_BUFFER_STATE new_buffer; +#endif + { + if ( yy_current_buffer == new_buffer ) + return; + + if ( yy_current_buffer ) + { + /* Flush out information for old buffer. */ + *yy_c_buf_p = yy_hold_char; + yy_current_buffer->yy_buf_pos = yy_c_buf_p; + yy_current_buffer->yy_n_chars = yy_n_chars; + } + + yy_current_buffer = new_buffer; + yy_load_buffer_state(); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + yy_did_buffer_switch_on_eof = 1; + } + + +#ifdef YY_USE_PROTOS +void yy_load_buffer_state( void ) +#else +void yy_load_buffer_state() +#endif + { + yy_n_chars = yy_current_buffer->yy_n_chars; + yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos; + yyin = yy_current_buffer->yy_input_file; + yy_hold_char = *yy_c_buf_p; + } + + +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_create_buffer( FILE *file, int size ) +#else +YY_BUFFER_STATE yy_create_buffer( file, size ) +FILE *file; +int size; +#endif + { + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer( b, file ); + + return b; + } + + +#ifdef YY_USE_PROTOS +void yy_delete_buffer( YY_BUFFER_STATE b ) +#else +void yy_delete_buffer( b ) +YY_BUFFER_STATE b; +#endif + { + if ( ! b ) + return; + + if ( b == yy_current_buffer ) + yy_current_buffer = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + yy_flex_free( (void *) b->yy_ch_buf ); + + yy_flex_free( (void *) b ); + } + + + +#ifdef YY_USE_PROTOS +void yy_init_buffer( YY_BUFFER_STATE b, FILE *file ) +#else +void yy_init_buffer( b, file ) +YY_BUFFER_STATE b; +FILE *file; +#endif + + + { + yy_flush_buffer( b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + +#if YY_ALWAYS_INTERACTIVE + b->yy_is_interactive = 1; +#else +#if YY_NEVER_INTERACTIVE + b->yy_is_interactive = 0; +#else + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; +#endif +#endif + } + + +#ifdef YY_USE_PROTOS +void yy_flush_buffer( YY_BUFFER_STATE b ) +#else +void yy_flush_buffer( b ) +YY_BUFFER_STATE b; +#endif + + { + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == yy_current_buffer ) + yy_load_buffer_state(); + } + + +#ifndef YY_NO_SCAN_BUFFER +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size ) +#else +YY_BUFFER_STATE yy_scan_buffer( base, size ) +char *base; +yy_size_t size; +#endif + { + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + yy_switch_to_buffer( b ); + + return b; + } +#endif + + +#ifndef YY_NO_SCAN_STRING +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str ) +#else +YY_BUFFER_STATE yy_scan_string( yy_str ) +yyconst char *yy_str; +#endif + { + int len; + for ( len = 0; yy_str[len]; ++len ) + ; + + return yy_scan_bytes( yy_str, len ); + } +#endif + + +#ifndef YY_NO_SCAN_BYTES +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len ) +#else +YY_BUFFER_STATE yy_scan_bytes( bytes, len ) +yyconst char *bytes; +int len; +#endif + { + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = len + 2; + buf = (char *) yy_flex_alloc( n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); + + for ( i = 0; i < len; ++i ) + buf[i] = bytes[i]; + + buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR; + + b = yy_scan_buffer( buf, n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; + } +#endif + + +#ifndef YY_NO_PUSH_STATE +#ifdef YY_USE_PROTOS +static void yy_push_state( int new_state ) +#else +static void yy_push_state( new_state ) +int new_state; +#endif + { + if ( yy_start_stack_ptr >= yy_start_stack_depth ) + { + yy_size_t new_size; + + yy_start_stack_depth += YY_START_STACK_INCR; + new_size = yy_start_stack_depth * sizeof( int ); + + if ( ! yy_start_stack ) + yy_start_stack = (int *) yy_flex_alloc( new_size ); + + else + yy_start_stack = (int *) yy_flex_realloc( + (void *) yy_start_stack, new_size ); + + if ( ! yy_start_stack ) + YY_FATAL_ERROR( + "out of memory expanding start-condition stack" ); + } + + yy_start_stack[yy_start_stack_ptr++] = YY_START; + + BEGIN(new_state); + } +#endif + + +#ifndef YY_NO_POP_STATE +static void yy_pop_state() + { + if ( --yy_start_stack_ptr < 0 ) + YY_FATAL_ERROR( "start-condition stack underflow" ); + + BEGIN(yy_start_stack[yy_start_stack_ptr]); + } +#endif + + +#ifndef YY_NO_TOP_STATE +static int yy_top_state() + { + return yy_start_stack[yy_start_stack_ptr - 1]; + } +#endif + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +#ifdef YY_USE_PROTOS +static void yy_fatal_error( yyconst char msg[] ) +#else +static void yy_fatal_error( msg ) +char msg[]; +#endif + { + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); + } + + + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + yytext[yyleng] = yy_hold_char; \ + yy_c_buf_p = yytext + n; \ + yy_hold_char = *yy_c_buf_p; \ + *yy_c_buf_p = '\0'; \ + yyleng = n; \ + } \ + while ( 0 ) + + +/* Internal utility routines. */ + +#ifndef yytext_ptr +#ifdef YY_USE_PROTOS +static void yy_flex_strncpy( char *s1, yyconst char *s2, int n ) +#else +static void yy_flex_strncpy( s1, s2, n ) +char *s1; +yyconst char *s2; +int n; +#endif + { + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; + } +#endif + +#ifdef YY_NEED_STRLEN +#ifdef YY_USE_PROTOS +static int yy_flex_strlen( yyconst char *s ) +#else +static int yy_flex_strlen( s ) +yyconst char *s; +#endif + { + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; + } +#endif + + +#ifdef YY_USE_PROTOS +static void *yy_flex_alloc( yy_size_t size ) +#else +static void *yy_flex_alloc( size ) +yy_size_t size; +#endif + { + return (void *) malloc( size ); + } + +#ifdef YY_USE_PROTOS +static void *yy_flex_realloc( void *ptr, yy_size_t size ) +#else +static void *yy_flex_realloc( ptr, size ) +void *ptr; +yy_size_t size; +#endif + { + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); + } + +#ifdef YY_USE_PROTOS +static void yy_flex_free( void *ptr ) +#else +static void yy_flex_free( ptr ) +void *ptr; +#endif + { + free( ptr ); + } + +#if YY_MAIN +int main() + { + yylex(); + return 0; + } +#endif +#line 46 "wktparse.lex" + + diff --git a/lwgeom/lwgeom.h b/lwgeom/lwgeom.h index b636e91ad..273a03c1e 100644 --- a/lwgeom/lwgeom.h +++ b/lwgeom/lwgeom.h @@ -7,6 +7,7 @@ #include "utils/geo_decls.h" +/* typedef struct { @@ -14,8 +15,38 @@ typedef struct float ymin; float xmax; float ymax; + } BOX2DFLOAT4; +typedef struct +{ + float xmin; + float ymin; + float xmax; + float ymax; + char junk[16]; +} BOX2DFLOAT4; +typedef struct +{ + double xmin; + double ymin; + double xmax; + double ymax; +} BOX2DFLOAT4; + +*/ + +typedef struct +{ + float xmin; + float ymin; + float xmax; + float ymax; + +} BOX2DFLOAT4; + + + typedef struct { @@ -124,10 +155,10 @@ extern int pointArray_ptsize(POINTARRAY *pa); LWGEOM types are an 8-bit char in this format: -xSDDtttt +BSDDtttt WHERE - x = unused + B = 16 byte BOX2DFLOAT4 follows (probably not aligned) [before SRID] S = 4 byte SRID attached (0= not attached (-1), 1= attached) DD = dimentionality (0=2d, 1=3d, 2= 4d) tttt = actual type (as per the WKB type): @@ -158,11 +189,12 @@ WHERE -extern bool lwgeom_hasSRID(char type); // true iff S bit is set -extern int lwgeom_ndims(char type); // true iff D bit is set -extern int lwgeom_getType(char type); // returns the tttt value -extern char lwgeom_makeType(int ndims, char hasSRID, int type); - +extern bool lwgeom_hasSRID(unsigned char type); // true iff S bit is set +extern int lwgeom_ndims(unsigned char type); // true iff D bit is set +extern int lwgeom_getType(unsigned char type); // returns the tttt value +extern unsigned char lwgeom_makeType(int ndims, char hasSRID, int type); +extern unsigned char lwgeom_makeType_full(int ndims, char hasSRID, int type, bool hasBBOX); +extern bool lwgeom_hasBBOX(unsigned char type); // true iff B bit set // all the base types (point/line/polygon) will have a // basic constructor, basic de-serializer, basic serializer, and @@ -292,7 +324,7 @@ typedef struct { int SRID; char *serialized_form; // orginal structure - char type; // 8-bit type for the LWGEOM + unsigned char type; // 8-bit type for the LWGEOM int ngeometries; // number of sub-geometries char **sub_geoms; // list of pointers (into serialized_form) of the sub-geoms } LWGEOM_INSPECTED; @@ -382,6 +414,9 @@ extern int lwgeom_seralizedformlength_simple(char *serialized_form); extern int lwgeom_seralizedformlength(char *serialized_form, int geom_number); extern int lwgeom_seralizedformlength_inspected(LWGEOM_INSPECTED *inspected, int geom_number); +//get the SRID from the LWGEOM +// none present => -1 +extern int lwgeom_getSRID(char *serialized_form); //get bounding box of LWGEOM (automatically calls the sub-geometries bbox generators) extern BOX3D *lw_geom_getBB(char *serialized_form); @@ -395,14 +430,20 @@ extern BOX3D *lw_geom_getBB_inspected(LWGEOM_INSPECTED *inspected); // will usually be a slightly bigger box because of the difference // between float8 and float4 representations. -extern BOX2DFLOAT4 box3d_to_box2df(BOX3D *box); -extern BOX2DFLOAT4 box_to_box2df(BOX *box); // postgresql standard type +extern BOX2DFLOAT4 *box3d_to_box2df(BOX3D *box); +extern BOX2DFLOAT4 *box_to_box2df(BOX *box); // postgresql standard type extern BOX3D box2df_to_box3d(BOX2DFLOAT4 *box); extern BOX box2df_to_box(BOX2DFLOAT4 *box); // postgresql standard type extern BOX3D *combine_boxes(BOX3D *b1, BOX3D *b2); +// returns a real entity so it doesnt leak +// if this has a pre-built BOX2d, then we use it, +// otherwise we need to compute it. +extern BOX2DFLOAT4 getbox2d(char *serialized_form); +extern void getbox2d_p(char *serialized_form, BOX2DFLOAT4 *box); + //**************************************************************** // memory management -- these only delete the memory associated // directly with the structure - NOT the stuff pointing into @@ -421,11 +462,13 @@ extern void pfree_POINTARRAY(POINTARRAY *pa); extern uint32 get_uint32(char *loc); extern int32 get_int32(char *loc); extern void printPA(POINTARRAY *pa); +extern void printLWPOINT(LWPOINT *point); extern void printLWLINE(LWLINE *line); extern void printLWPOLY(LWPOLY *poly); extern void printBYTES(unsigned char *a, int n); extern void printMULTI(char *serialized); extern void deparse_hex(unsigned char str, unsigned char *result); +extern void printType(unsigned char str); //------------------------------------------------------------ @@ -548,3 +591,37 @@ extern void deparse_hex(unsigned char str, unsigned char *result); + +// other forwards (for indirect function calls) + +Datum box2d_same(PG_FUNCTION_ARGS); +Datum box2d_overlap(PG_FUNCTION_ARGS); +Datum box2d_overleft(PG_FUNCTION_ARGS); +Datum box2d_left(PG_FUNCTION_ARGS); +Datum box2d_right(PG_FUNCTION_ARGS); +Datum box2d_overright(PG_FUNCTION_ARGS); +Datum box2d_contained(PG_FUNCTION_ARGS); +Datum box2d_contain(PG_FUNCTION_ARGS); +Datum box2d_inter(PG_FUNCTION_ARGS); +Datum box2d_union(PG_FUNCTION_ARGS); + + +Datum gist_lwgeom_compress(PG_FUNCTION_ARGS); +Datum gist_lwgeom_consistent(PG_FUNCTION_ARGS); +Datum gist_rtree_decompress(PG_FUNCTION_ARGS); +Datum lwgeom_box_union(PG_FUNCTION_ARGS); +Datum lwgeom_box_penalty(PG_FUNCTION_ARGS); +Datum lwgeom_gbox_same(PG_FUNCTION_ARGS); +Datum lwgeom_gbox_picksplit(PG_FUNCTION_ARGS); + + +extern float LWGEOM_Minf(float a, float b); +extern float LWGEOM_Maxf(float a, float b); + + + +extern BOX3D *lw_geom_getBB_simple(char *serialized_form); + + + + diff --git a/lwgeom/lwgeom.sql.in b/lwgeom/lwgeom.sql.in index 97a8baf12..8e3351b77 100644 --- a/lwgeom/lwgeom.sql.in +++ b/lwgeom/lwgeom.sql.in @@ -2,12 +2,12 @@ BEGIN; CREATE OR REPLACE FUNCTION lwgeom_in(cstring) RETURNS lwgeom - AS '/net/lion/raid/share/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOM_in' + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOM_in' LANGUAGE 'C' WITH (isstrict,iscachable); CREATE OR REPLACE FUNCTION lwgeom_out(lwgeom) RETURNS cstring - AS '/net/lion/raid/share/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOM_out' + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOM_out' LANGUAGE 'C' WITH (isstrict,iscachable); CREATE TYPE lwgeom ( @@ -17,39 +17,365 @@ CREATE TYPE lwgeom ( storage = main ); +CREATE OR REPLACE FUNCTION box2d_in(cstring) + RETURNS box2d + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','BOX2DFLOAT4_in' + LANGUAGE 'C' WITH (isstrict,iscachable); -CREATE FUNCTION lwgeom(wkb) - RETURNS lwgeom - AS '/net/lion/raid/share/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOMFromWKB' +CREATE OR REPLACE FUNCTION box2d_out(box2d) + RETURNS cstring + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','BOX2DFLOAT4_out' LANGUAGE 'C' WITH (isstrict,iscachable); +CREATE TYPE box2d ( + internallength = 16, + input = box2d_in, + output = box2d_out, + storage = plain +); -CREATE FUNCTION wkb(lwgeom) - RETURNS wkb - AS '/net/lion/raid/share/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','WKBFromLWGEOM' +CREATE OR REPLACE FUNCTION box2d(LWGEOM) + RETURNS box2d + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOM_to_BOX2DFLOAT4' LANGUAGE 'C' WITH (isstrict,iscachable); + + + -CREATE FUNCTION cstring(lwgeom) - RETURNS CSTRING - AS '/net/lion/raid/share/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1', - 'LWGEOM_asText' +CREATE OR REPLACE FUNCTION lwgeom(text) + RETURNS lwgeom + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','parse_WKT_lwgeom' LANGUAGE 'C' WITH (isstrict,iscachable); -COMMIT; +---- BOX2D support functions + + +CREATE FUNCTION box2d_overleft(box2d, box2d) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION box2d_overright(box2d, box2d) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION box2d_left(box2d, box2d) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION box2d_right(box2d, box2d) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION box2d_contain(box2d, box2d) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION box2d_contained(box2d, box2d) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION box2d_overlap(box2d, box2d) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION box2d_same(box2d, box2d) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE OPERATOR << ( + LEFTARG = box2d, RIGHTARG = box2d, PROCEDURE = box2d_left, + COMMUTATOR = '>>', + RESTRICT = positionsel, JOIN = positionjoinsel +); + +CREATE OPERATOR &< ( + LEFTARG = box2d, RIGHTARG = box2d, PROCEDURE = box2d_overleft, + COMMUTATOR = '&>', + RESTRICT = positionsel, JOIN = positionjoinsel +); +CREATE OPERATOR && ( + LEFTARG = box2d, RIGHTARG = box2d, PROCEDURE = box2d_overlap, + COMMUTATOR = '&&', + RESTRICT = areasel, JOIN = positionjoinsel +); + +CREATE OPERATOR &> ( + LEFTARG = box2d, RIGHTARG = box2d, PROCEDURE = box2d_overright, + COMMUTATOR = '&<', + RESTRICT = positionsel, JOIN = positionjoinsel +); + +CREATE OPERATOR >> ( + LEFTARG = box2d, RIGHTARG = box2d, PROCEDURE = box2d_right, + COMMUTATOR = '<<', + RESTRICT = positionsel, JOIN = positionjoinsel +); + +CREATE OPERATOR ~= ( + LEFTARG = box2d, RIGHTARG = box2d, PROCEDURE = box2d_same, + COMMUTATOR = '~=', + RESTRICT = eqsel, JOIN = eqjoinsel +); + +CREATE OPERATOR @ ( + LEFTARG = box2d, RIGHTARG = box2d, PROCEDURE = box2d_contained, + COMMUTATOR = '~', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ~ ( + LEFTARG = box2d, RIGHTARG = box2d, PROCEDURE = box2d_contain, + COMMUTATOR = '@', + RESTRICT = contsel, JOIN = contjoinsel +); + + +-- lwgeom operator support functions ----- test stuff -select geometry(wkb(lwgeom(asbinary('POINT(1 2)'::geometry)))); -select geometry(wkb(lwgeom(asbinary('POINT(1 2 3)'::geometry)))); +CREATE FUNCTION lwgeom_overleft(lwgeom, lwgeom) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); -select geometry(wkb(lwgeom(asbinary('LINESTRING(1 2, 3 4)'::geometry)))); -select geometry(wkb(lwgeom(asbinary('LINESTRING(1 2 -999, 3 4 -999, 5 6 -999)'::geometry)))); +CREATE FUNCTION lwgeom_overright(lwgeom, lwgeom) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); +CREATE FUNCTION lwgeom_left(lwgeom, lwgeom) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); -select geometry(wkb(lwgeom(asbinary('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))'::geometry)))); -select geometry(wkb(lwgeom(asbinary('POLYGON((0 0 -99, 10 0 -99, 10 10 -99, 0 10 -99, 0 0 -99))'::geometry)))); +CREATE FUNCTION lwgeom_right(lwgeom, lwgeom) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION lwgeom_contain(lwgeom, lwgeom) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION lwgeom_contained(lwgeom, lwgeom) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION lwgeom_overlap(lwgeom, lwgeom) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION lwgeom_same(lwgeom, lwgeom) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE OPERATOR << ( + LEFTARG = lwgeom, RIGHTARG = lwgeom, PROCEDURE = lwgeom_left, + COMMUTATOR = '>>', + RESTRICT = positionsel, JOIN = positionjoinsel +); + +CREATE OPERATOR &< ( + LEFTARG = lwgeom, RIGHTARG = lwgeom, PROCEDURE = lwgeom_overleft, + COMMUTATOR = '&>', + RESTRICT = positionsel, JOIN = positionjoinsel +); + +CREATE OPERATOR && ( + LEFTARG = lwgeom, RIGHTARG = lwgeom, PROCEDURE = lwgeom_overlap, + COMMUTATOR = '&&', + RESTRICT = areasel, JOIN = positionjoinsel +); + +CREATE OPERATOR &> ( + LEFTARG = lwgeom, RIGHTARG = lwgeom, PROCEDURE = lwgeom_overright, + COMMUTATOR = '&<', + RESTRICT = positionsel, JOIN = positionjoinsel +); + +CREATE OPERATOR >> ( + LEFTARG = lwgeom, RIGHTARG = lwgeom, PROCEDURE = lwgeom_right, + COMMUTATOR = '<<', + RESTRICT = positionsel, JOIN = positionjoinsel +); + +CREATE OPERATOR ~= ( + LEFTARG = lwgeom, RIGHTARG = lwgeom, PROCEDURE = lwgeom_same, + COMMUTATOR = '~=', + RESTRICT = eqsel, JOIN = eqjoinsel +); + +CREATE OPERATOR @ ( + LEFTARG = lwgeom, RIGHTARG = lwgeom, PROCEDURE = lwgeom_contained, + COMMUTATOR = '~', + RESTRICT = contsel, JOIN = contjoinsel +); + +CREATE OPERATOR ~ ( + LEFTARG = lwgeom, RIGHTARG = lwgeom, PROCEDURE = lwgeom_contain, + COMMUTATOR = '@', + RESTRICT = contsel, JOIN = contjoinsel +); + + +-- gist support functions + + +CREATE FUNCTION gist_lwgeom_consistent(internal,lwgeom,int4) + RETURNS bool + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' ,'gist_lwgeom_consistent' + LANGUAGE 'C'; + +CREATE FUNCTION gist_lwgeom_compress(internal) + RETURNS internal + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','gist_lwgeom_compress' + LANGUAGE 'C'; + +CREATE FUNCTION gist_lwgeom_penalty(internal,internal,internal) + RETURNS internal + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' ,'lwgeom_box_penalty' + LANGUAGE 'C'; + +CREATE FUNCTION gist_lwgeom_picksplit(internal, internal) + RETURNS internal + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' ,'lwgeom_gbox_picksplit' + LANGUAGE 'C'; + +CREATE FUNCTION gist_lwgeom_union(bytea, internal) + RETURNS internal + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' ,'lwgeom_box_union' + LANGUAGE 'C'; + +CREATE FUNCTION gist_lwgeom_same(box2d, box2d, internal) + RETURNS internal + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' ,'lwgeom_gbox_same' + LANGUAGE 'C'; + +CREATE FUNCTION gist_lwgeom_decompress(internal) + RETURNS internal + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1' ,'gist_rtree_decompress' + LANGUAGE 'C'; + + +-- gist opclass +CREATE OPERATOR CLASS gist_lwgeom_ops + DEFAULT FOR TYPE lwgeom USING gist AS + OPERATOR 1 << , + OPERATOR 2 &< , + OPERATOR 3 && , + OPERATOR 4 &> , + OPERATOR 5 >> , + OPERATOR 6 ~= , + OPERATOR 7 ~ , + OPERATOR 8 @ , + FUNCTION 1 gist_lwgeom_consistent (internal, lwgeom, int4), + FUNCTION 2 gist_lwgeom_union (bytea, internal), + FUNCTION 3 gist_lwgeom_compress (internal), + FUNCTION 4 gist_lwgeom_decompress (internal), + FUNCTION 5 gist_lwgeom_penalty (internal, internal, internal), + FUNCTION 6 gist_lwgeom_picksplit (internal, internal), + FUNCTION 7 gist_lwgeom_same (box2d, box2d, internal); + +UPDATE pg_opclass + SET opckeytype = (select oid from pg_type where typname = 'box2d') + WHERE opcname = 'gist_lwgeom_ops'; + + + +-- other lwgeom functions + +CREATE FUNCTION addBBOX(lwgeom) + RETURNS lwgeom + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOM_addBBOX' + LANGUAGE 'C' WITH (isstrict,iscachable); + + +CREATE FUNCTION getSRID(lwgeom) + RETURNS int4 + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOM_getSRID' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION setSRID(lwgeom,int4) + RETURNS lwgeom + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOM_setSRID' + LANGUAGE 'C' WITH (isstrict,iscachable); + + +CREATE FUNCTION asText(lwgeom) + RETURNS TEXT + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOM_asText' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE OR REPLACE FUNCTION getbbox(LWGEOM) + RETURNS box2d + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOM_to_BOX2DFLOAT4' + LANGUAGE 'C' WITH (isstrict,iscachable); + + +commit; + +begin; +-- extra conversions (might not work if there's no postgis install) + +CREATE FUNCTION geometry(lwgeom) + RETURNS geometry + AS +'BEGIN + RETURN GeomFromWKB(asBinary($1),getSRID($1) ); + END;' +LANGUAGE 'plpgsql' WITH (iscachable,isstrict); + + +CREATE OR REPLACE FUNCTION lwgeom(geometry) + RETURNS lwgeom + AS +'BEGIN + RETURN setSRID(lwgeom(asBinary($1)),SRID($1) ); + END;' +LANGUAGE 'plpgsql' WITH (iscachable,isstrict); + +CREATE CAST (lwgeom as geometry) WITH FUNCTION geometry(lwgeom) AS IMPLICIT ; +CREATE CAST (geometry as lwgeom) WITH FUNCTION lwgeom(geometry) AS IMPLICIT ; +CREATE CAST (lwgeom as box2d) WITH FUNCTION box2d(lwgeom) AS IMPLICIT ; + +CREATE CAST (lwgeom as wkb) WITH FUNCTION wkb(lwgeom) AS IMPLICIT ; +CREATE CAST (wkb as lwgeom) WITH FUNCTION lwgeom(wkb) AS IMPLICIT ; + +CREATE FUNCTION lwgeom(wkb) + RETURNS lwgeom + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOMFromWKB' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION lwgeom(wkb,int4) + RETURNS lwgeom + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','LWGEOMFromWKB' + LANGUAGE 'C' WITH (isstrict,iscachable); + + + +CREATE FUNCTION wkb(lwgeom) + RETURNS wkb + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','WKBFromLWGEOM' + LANGUAGE 'C' WITH (isstrict,iscachable); + +CREATE FUNCTION asbinary(lwgeom) + RETURNS wkb + AS '/data/Refractions/Projects/PostGIS/work_dave2/postgis/lwgeom/liblwgeom.so.0.1','WKBFromLWGEOM' + LANGUAGE 'C' WITH (isstrict,iscachable); + +COMMIT; -select geometry(wkb(lwgeom(asbinary('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0),(5 5,7 5, 7 7, 5 7, 5 5))'::geometry)))); -select geometry(wkb(lwgeom(asbinary('POLYGON((0 0 -99, 10 0 -99, 10 10 -99, 0 10 -99, 0 0 -99),(5 5 -99,7 5 -99, 7 7 -99, 5 7 -99, 5 5 -99))'::geometry)))); diff --git a/lwgeom/lwgeom_api.c b/lwgeom/lwgeom_api.c index 6a51ad3e7..59c292f5d 100644 --- a/lwgeom/lwgeom_api.c +++ b/lwgeom/lwgeom_api.c @@ -46,6 +46,7 @@ float nextDown_f(double d) return result; return nextafterf(result, result - 1000000); + } // returns the float thats very close to the input, but >= @@ -86,35 +87,35 @@ double nextUp_d(float d) } -BOX2DFLOAT4 box3d_to_box2df(BOX3D *box) +BOX2DFLOAT4 *box3d_to_box2df(BOX3D *box) { - BOX2DFLOAT4 result; + BOX2DFLOAT4 *result = (BOX2DFLOAT4*) palloc(sizeof(BOX2DFLOAT4)); if (box == NULL) return result; - result.xmin = nextDown_f(box->xmin); - result.ymin = nextDown_f(box->ymin); + result->xmin = nextDown_f(box->xmin); + result->ymin = nextDown_f(box->ymin); - result.xmax = nextUp_f(box->xmax); - result.ymax = nextUp_f(box->ymax); + result->xmax = nextUp_f(box->xmax); + result->ymax = nextUp_f(box->ymax); return result; } -BOX2DFLOAT4 box_to_box2df(BOX *box) +BOX2DFLOAT4 *box_to_box2df(BOX *box) { - BOX2DFLOAT4 result; + BOX2DFLOAT4 *result = (BOX2DFLOAT4*) palloc(sizeof(BOX2DFLOAT4)); if (box == NULL) return result; - result.xmin = nextDown_f(box->low.x); - result.ymin = nextDown_f(box->low.y); + result->xmin = nextDown_f(box->low.x); + result->ymin = nextDown_f(box->low.y); - result.xmax = nextUp_f(box->high.x); - result.ymax = nextUp_f(box->high.x); + result->xmax = nextUp_f(box->high.x); + result->ymax = nextUp_f(box->high.x); return result; } @@ -187,9 +188,10 @@ BOX3D *combine_boxes(BOX3D *b1, BOX3D *b2) if (b1->xmax > b2->xmax) result->xmax = b1->xmax; else - result->ymax = b2->ymax; + result->xmax = b2->xmax; + if (b1->ymax > b2->ymax) - result->ymax = b1->ymax; + result->ymax = b1->ymax; else result->ymax = b2->ymax; @@ -197,14 +199,74 @@ BOX3D *combine_boxes(BOX3D *b1, BOX3D *b2) result->zmax = b1->zmax; else result->zmax = b2->zmax; + if (b1->zmin > b2->zmin) - result->zmin = b1->zmin; + result->zmin = b1->zmin; else result->zmin = b2->zmin; return result; } +// returns a real entity so it doesnt leak +// if this has a pre-built BOX2d, then we use it, +// otherwise we need to compute it. +BOX2DFLOAT4 getbox2d(char *serialized_form) +{ + int type = (unsigned char) serialized_form[0]; + char *loc; + BOX2DFLOAT4 result; + BOX3D *box3d; + BOX2DFLOAT4 *box; + + loc = serialized_form+1; + + if (lwgeom_hasBBOX(type)) + { + //woot - this is easy +//elog(NOTICE,"getbox2d has box"); + memcpy(&result,loc, sizeof(BOX2DFLOAT4)); + return result; + } + + //we have to actually compute it! +//elog(NOTICE,"getbox2d -- computing bbox"); + box3d = lw_geom_getBB_simple(serialized_form); +//elog(NOTICE,"getbox2d got bbox3d(%.15g %.15g,%.15g %.15g)",box3d->xmin,box3d->ymin,box3d->xmax,box3d->ymax); + box = box3d_to_box2df(box3d); +//elog(NOTICE,"getbox2d made box2d(%.15g %.15g,%.15g %.15g)",box->xmin,box->ymin,box->xmax,box->ymax); + memcpy(&result,box, sizeof(BOX2DFLOAT4)); + pfree(box3d); + pfree(box); + return result; +} + +void getbox2d_p(char *serialized_form, BOX2DFLOAT4 *box) +{ + int type = (unsigned char) serialized_form[0]; + char *loc; + BOX3D *box3d; + BOX2DFLOAT4 *box2; + + loc = serialized_form+1; + + if (lwgeom_hasBBOX(type)) + { + //woot - this is easy + //elog(NOTICE,"getbox2d has box"); + memcpy(box,loc, sizeof(BOX2DFLOAT4)); + return ; + } + + //we have to actually compute it! +//elog(NOTICE,"getbox2d_p:: computing box"); + box3d = lw_geom_getBB_simple(serialized_form); + box2 = box3d_to_box2df(box3d); + + memcpy(box,box2, sizeof(BOX2DFLOAT4)); + pfree(box3d); + pfree(box2); +} //************************************************************************ // POINTARRAY support functions @@ -267,7 +329,7 @@ void getPoint4d_p(POINTARRAY *pa, int n, char *point) } if (pa->ndims >3) - memcpy(point+24, &pa->serialized_pointlist[size*n + sizeof(double)*2],sizeof(double) ); + memcpy(point+24, &pa->serialized_pointlist[size*n + sizeof(double)*3],sizeof(double) ); else { double bad=NO_Z_VALUE; @@ -413,7 +475,7 @@ BOX3D *pointArray_bbox(POINTARRAY *pa) result->ymax = pt.y; result->zmax = pt.z; - for (t=0;tnpoints;t++) + for (t=1;tnpoints;t++) { getPoint3d_p(pa,t,(char*)&pt); if (pt.x < result->xmin) @@ -452,24 +514,24 @@ int pointArray_ptsize(POINTARRAY *pa) // basic type handling -bool lwgeom_hasSRID(char type) +bool lwgeom_hasSRID(unsigned char type) { return (type & 0x40); } -int lwgeom_ndims(char type) +int lwgeom_ndims(unsigned char type) { return ( (type & 0x30) >>4) +2; } -int lwgeom_getType(char type) +int lwgeom_getType(unsigned char type) { return (type & 0x0F); } -char lwgeom_makeType(int ndims, char hasSRID, int type) +unsigned char lwgeom_makeType(int ndims, char hasSRID, int type) { - char result = type; + unsigned char result = type; if (ndims == 3) result = result | 0x10; @@ -481,6 +543,27 @@ char lwgeom_makeType(int ndims, char hasSRID, int type) return result; } +unsigned char lwgeom_makeType_full(int ndims, char hasSRID, int type, bool hasBBOX) +{ + unsigned char result = type; + + if (ndims == 3) + result = result | 0x10; + if (ndims == 4) + result = result | 0x20; + if (hasSRID) + result = result | 0x40; + if (hasBBOX) + result = result | 0x80; + + return result; +} + +bool lwgeom_hasBBOX(unsigned char type) +{ + return (type & 0x80); +} + //***************************************************************************** // basic sub-geometry types @@ -528,7 +611,7 @@ LWLINE *lwline_construct(int ndims, int SRID, POINTARRAY *points) // See serialized form doc LWLINE *lwline_deserialize(char *serialized_form) { - char type; + unsigned char type; LWLINE *result; char *loc =NULL; uint32 npoints; @@ -536,7 +619,7 @@ LWLINE *lwline_deserialize(char *serialized_form) result = (LWLINE*) palloc( sizeof(LWLINE)) ; - type = serialized_form[0]; + type = (unsigned char) serialized_form[0]; if ( lwgeom_getType(type) != LINETYPE) @@ -545,15 +628,19 @@ LWLINE *lwline_deserialize(char *serialized_form) return NULL; } + loc = serialized_form+1; + + if (lwgeom_hasBBOX(type)) + loc += sizeof(BOX2DFLOAT4); + if ( lwgeom_hasSRID(type)) { - result->SRID = get_int32(loc+1); - loc = serialized_form+ 5; // type + SRID + result->SRID = get_int32(loc); + loc +=4; // type + SRID } else { result->SRID = -1; - loc = serialized_form +1; } // we've read the type (1 byte) and SRID (4 bytes, if present) @@ -574,7 +661,7 @@ char *lwline_serialize(LWLINE *line) { int size=1; // type byte char hasSRID; - char * result; + unsigned char * result; int t; char *loc; @@ -604,7 +691,7 @@ if (line == NULL) result = palloc(size); - result[0] = lwgeom_makeType(line->ndims,hasSRID, LINETYPE); + result[0] = (unsigned char) lwgeom_makeType(line->ndims,hasSRID, LINETYPE); loc = result+1; if (hasSRID) @@ -659,7 +746,7 @@ BOX3D *lwline_findbbox(LWLINE *line) //find length of this serialized line uint32 lwline_findlength(char *serialized_line) { - int type = serialized_line[0]; + int type = (unsigned char) serialized_line[0]; uint32 result =1; //type char *loc; uint32 npoints; @@ -667,15 +754,20 @@ uint32 lwline_findlength(char *serialized_line) if ( lwgeom_getType(type) != LINETYPE) elog(ERROR,"lwline_findlength::attempt to find the length of a non-line"); + + loc = serialized_line+1; + + if (lwgeom_hasBBOX(type)) + { + loc += sizeof(BOX2DFLOAT4); + result +=sizeof(BOX2DFLOAT4); + } + if ( lwgeom_hasSRID(type)) { - loc = serialized_line+ 5; // type + SRID + loc += 4; // type + SRID result +=4; } - else - { - loc = serialized_line +1; - } // we've read the type (1 byte) and SRID (4 bytes, if present) @@ -725,28 +817,36 @@ LWPOINT *lwpoint_construct(int ndims, int SRID, POINTARRAY *point) // See serialized form doc LWPOINT *lwpoint_deserialize(char *serialized_form) { - char type; + unsigned char type; LWPOINT *result; char *loc = NULL; POINTARRAY *pa; result = (LWPOINT*) palloc( sizeof(LWPOINT)) ; - type = serialized_form[0]; + type = (unsigned char) serialized_form[0]; if ( lwgeom_getType(type) != POINTTYPE) return NULL; + + + loc = serialized_form+1; + + if (lwgeom_hasBBOX(type)) + { + loc += sizeof(BOX2DFLOAT4); + } + if ( lwgeom_hasSRID(type)) { - result->SRID = get_int32(loc+1); - loc = serialized_form+ 5; // type + SRID + result->SRID = get_int32(loc); + loc +=4; // type + SRID } else { result->SRID = -1; - loc = serialized_form +1; } // we've read the type (1 byte) and SRID (4 bytes, if present) @@ -764,7 +864,7 @@ LWPOINT *lwpoint_deserialize(char *serialized_form) // result's first char will be the 8bit type. See serialized form doc char *lwpoint_serialize(LWPOINT *point) { - int size=1; // type byte + int size=1; char hasSRID; char * result; char *loc; @@ -789,7 +889,7 @@ char *lwpoint_serialize(LWPOINT *point) result = palloc(size); - result[0] = lwgeom_makeType(point->ndims,hasSRID, POINTTYPE); + result[0] = (unsigned char) lwgeom_makeType(point->ndims,hasSRID, POINTTYPE); loc = result+1; if (hasSRID) @@ -851,25 +951,30 @@ POINT3D lwpoint_getPoint3d(LWPOINT *point) //find length of this serialized point uint32 lwpoint_findlength(char *serialized_point) { - uint result = 1; // type char - char type; + uint result = 1; + unsigned char type; char *loc; - type = serialized_point[0]; + type = (unsigned char) serialized_point[0]; if ( lwgeom_getType(type) != POINTTYPE) return -9999; - if ( lwgeom_hasSRID(type)) + + loc = serialized_point+1; + + if (lwgeom_hasBBOX(type)) { - loc = serialized_point+ 5; // type + SRID - result +=4; + loc += sizeof(BOX2DFLOAT4); + result +=sizeof(BOX2DFLOAT4); } - else + + if ( lwgeom_hasSRID(type)) { - loc = serialized_point +1; + loc +=4; // type + SRID + result +=4; } if (lwgeom_ndims(type) == 3) @@ -919,7 +1024,7 @@ LWPOLY *lwpoly_deserialize(char *serialized_form) uint32 nrings; int ndims; uint32 npoints; - char type; + unsigned char type; char *loc; int t; @@ -929,22 +1034,29 @@ LWPOLY *lwpoly_deserialize(char *serialized_form) result = (LWPOLY*) palloc(sizeof(LWPOLY)); - type = serialized_form[0]; + type = (unsigned char) serialized_form[0]; ndims = lwgeom_ndims(type); loc = serialized_form; if ( lwgeom_getType(type) != POLYGONTYPE) return NULL; + + loc = serialized_form+1; + + if (lwgeom_hasBBOX(type)) + { + loc += sizeof(BOX2DFLOAT4); + } + if ( lwgeom_hasSRID(type)) { - result->SRID = get_int32(loc+1); - loc = serialized_form+ 5; // type + SRID + result->SRID = get_int32(loc); + loc +=4; // type + SRID } else { result->SRID = -1; - loc = serialized_form +1; } nrings = get_uint32(loc); @@ -1006,7 +1118,7 @@ char *lwpoly_serialize(LWPOLY *poly) result = palloc(size); - result[0] = lwgeom_makeType(poly->ndims,hasSRID, POLYGONTYPE); + result[0] = (unsigned char) lwgeom_makeType(poly->ndims,hasSRID, POLYGONTYPE); loc = result+1; if (hasSRID) @@ -1059,22 +1171,23 @@ char *lwpoly_serialize(LWPOLY *poly) // find bounding box (standard one) zmin=zmax=0 if 2d (might change to NaN) BOX3D *lwpoly_findbbox(LWPOLY *poly) { - int t; +// int t; - BOX3D *result, *abox,*abox2; + BOX3D *result; +// BOX3D *abox,*abox2; - POINTARRAY *pa = poly->rings[0]; + POINTARRAY *pa = poly->rings[0]; // just need to check outer ring -- interior rings are inside result = pointArray_bbox(pa); - for (t=1;tnrings;t++) - { - pa = poly->rings[t]; - abox = pointArray_bbox(pa); - abox2 = result; - result = combine_boxes( abox, abox2); - pfree(abox); - pfree(abox2); - } +// for (t=1;tnrings;t++) + //{ +// pa = poly->rings[t]; +// abox = pointArray_bbox(pa); +// abox2 = result; +// result = combine_boxes( abox, abox2); +// pfree(abox); +// pfree(abox2); + // } return result; } @@ -1086,7 +1199,7 @@ uint32 lwpoly_findlength(char *serialized_poly) uint32 nrings; int ndims; int t; - char type; + unsigned char type; uint32 npoints; char *loc; @@ -1094,21 +1207,28 @@ uint32 lwpoly_findlength(char *serialized_poly) return -9999; - type = serialized_poly[0]; + type = (unsigned char) serialized_poly[0]; ndims = lwgeom_ndims(type); if ( lwgeom_getType(type) != POLYGONTYPE) return -9999; + + loc = serialized_poly+1; + + if (lwgeom_hasBBOX(type)) + { + loc += sizeof(BOX2DFLOAT4); + result +=sizeof(BOX2DFLOAT4); + } + + if ( lwgeom_hasSRID(type)) { - loc = serialized_poly+ 5; // type + SRID + loc +=4; // type + SRID result += 4; } - else - { - loc = serialized_poly +1; - } + nrings = get_uint32(loc); loc +=4; @@ -1134,8 +1254,8 @@ uint32 lwpoly_findlength(char *serialized_poly) } else if (ndims == 4) { - loc += 16*npoints; - result += 16*npoints; + loc += 32*npoints; + result += 32*npoints; } } return result; @@ -1155,7 +1275,7 @@ uint32 lwpoly_findlength(char *serialized_poly) LWGEOM_INSPECTED *lwgeom_inspect(char *serialized_form) { LWGEOM_INSPECTED *result = palloc(sizeof(LWGEOM_INSPECTED)); - char type; + unsigned char type; char **sub_geoms; char *loc; int t; @@ -1164,16 +1284,24 @@ LWGEOM_INSPECTED *lwgeom_inspect(char *serialized_form) return NULL; result->serialized_form = serialized_form; - result->type = serialized_form[0]; + result->type = (unsigned char) serialized_form[0]; result->SRID = -1; // assume - type = lwgeom_getType(serialized_form[0]); + type = lwgeom_getType( (unsigned char) serialized_form[0]); + + + loc = serialized_form+1; + + if (lwgeom_hasBBOX((unsigned char) serialized_form[0])) + { + loc += sizeof(BOX2DFLOAT4); + } if ( (type==POINTTYPE) || (type==LINETYPE) || (type==POLYGONTYPE) ) { - if (lwgeom_hasSRID(serialized_form[0]) ) + if (lwgeom_hasSRID((unsigned char) serialized_form[0]) ) { - result->SRID= get_int32(serialized_form+1); + result->SRID= get_int32(loc); } //simple geometry (point/line/polygon)-- not multi! result->ngeometries = 1; @@ -1184,8 +1312,7 @@ LWGEOM_INSPECTED *lwgeom_inspect(char *serialized_form) } else { - loc =serialized_form + 1; - if (lwgeom_hasSRID(serialized_form[0]) ) + if (lwgeom_hasSRID((unsigned char) serialized_form[0]) ) { result->SRID= get_int32(loc); loc += 4; @@ -1214,7 +1341,7 @@ LWGEOM_INSPECTED *lwgeom_inspect(char *serialized_form) // this is fine to call on a point (with geom_num=0), multipoint or geometrycollection LWPOINT *lwgeom_getpoint(char *serialized_form, int geom_number) { - char type = lwgeom_getType(serialized_form[0]); + char type = lwgeom_getType((unsigned char)serialized_form[0]); char *sub_geom; if ((type == POINTTYPE) && (geom_number == 0)) @@ -1230,7 +1357,7 @@ LWPOINT *lwgeom_getpoint(char *serialized_form, int geom_number) if (sub_geom == NULL) return NULL; - type = lwgeom_getType(sub_geom[0]); + type = lwgeom_getType( (unsigned char) sub_geom[0]); if (type != POINTTYPE) return NULL; @@ -1240,14 +1367,14 @@ LWPOINT *lwgeom_getpoint(char *serialized_form, int geom_number) LWPOINT *lwgeom_getpoint_inspected(LWGEOM_INSPECTED *inspected, int geom_number) { char *sub_geom; - char type; + unsigned char type; sub_geom = lwgeom_getsubgeometry_inspected(inspected, geom_number); if (sub_geom == NULL) return NULL; - type = lwgeom_getType(sub_geom[0]); + type = lwgeom_getType( (unsigned char) sub_geom[0]); if (type != POINTTYPE) return NULL; @@ -1261,7 +1388,7 @@ LWPOINT *lwgeom_getpoint_inspected(LWGEOM_INSPECTED *inspected, int geom_number) // this is fine to call on a line, multiline or geometrycollection LWLINE *lwgeom_getline(char *serialized_form, int geom_number) { - char type = lwgeom_getType(serialized_form[0]); + unsigned char type = lwgeom_getType( (unsigned char) serialized_form[0]); char *sub_geom; if ((type == LINETYPE) && (geom_number == 0)) @@ -1277,7 +1404,7 @@ LWLINE *lwgeom_getline(char *serialized_form, int geom_number) if (sub_geom == NULL) return NULL; - type = lwgeom_getType(sub_geom[0]); + type = lwgeom_getType((unsigned char) sub_geom[0]); if (type != LINETYPE) return NULL; @@ -1287,7 +1414,7 @@ LWLINE *lwgeom_getline(char *serialized_form, int geom_number) LWLINE *lwgeom_getline_inspected(LWGEOM_INSPECTED *inspected, int geom_number) { char *sub_geom; - char type; + unsigned char type; sub_geom = lwgeom_getsubgeometry_inspected(inspected, geom_number); @@ -1296,7 +1423,7 @@ LWLINE *lwgeom_getline_inspected(LWGEOM_INSPECTED *inspected, int geom_number) return NULL; - type = lwgeom_getType(sub_geom[0]); + type = lwgeom_getType((unsigned char) sub_geom[0]); if (type != LINETYPE) return NULL; @@ -1310,7 +1437,7 @@ LWLINE *lwgeom_getline_inspected(LWGEOM_INSPECTED *inspected, int geom_number) // this is fine to call on a polygon, multipolygon or geometrycollection LWPOLY *lwgeom_getpoly(char *serialized_form, int geom_number) { - char type = lwgeom_getType(serialized_form[0]); + unsigned char type = lwgeom_getType( (unsigned char) serialized_form[0]); char *sub_geom; if ((type == POLYGONTYPE) && (geom_number == 0)) @@ -1326,7 +1453,7 @@ LWPOLY *lwgeom_getpoly(char *serialized_form, int geom_number) if (sub_geom == NULL) return NULL; - type = lwgeom_getType(sub_geom[0]); + type = lwgeom_getType((unsigned char) sub_geom[0]); if (type != POLYGONTYPE) return NULL; @@ -1336,14 +1463,14 @@ LWPOLY *lwgeom_getpoly(char *serialized_form, int geom_number) LWPOLY *lwgeom_getpoly_inspected(LWGEOM_INSPECTED *inspected, int geom_number) { char *sub_geom; - char type; + unsigned char type; sub_geom = lwgeom_getsubgeometry_inspected(inspected, geom_number); if (sub_geom == NULL) return NULL; - type = lwgeom_getType(sub_geom[0]); + type = lwgeom_getType((unsigned char) sub_geom[0]); if (type != POLYGONTYPE) return NULL; @@ -1412,7 +1539,7 @@ char lwgeom_getsubtype_inspected(LWGEOM_INSPECTED *inspected, int geom_number) // for point,line,polygon will return 1. int lwgeom_getnumgeometries(char *serialized_form) { - char type = lwgeom_getType(serialized_form[0]); + unsigned char type = lwgeom_getType((unsigned char)serialized_form[0]); char *loc; if ( (type==POINTTYPE) || (type==LINETYPE) || (type==POLYGONTYPE) ) @@ -1420,8 +1547,15 @@ int lwgeom_getnumgeometries(char *serialized_form) return 1; } - loc =serialized_form + 1; - if (lwgeom_hasSRID(serialized_form[0]) ) + + loc = serialized_form+1; + + if (lwgeom_hasBBOX((unsigned char) serialized_form[0])) + { + loc += sizeof(BOX2DFLOAT4); + } + + if (lwgeom_hasSRID((unsigned char) serialized_form[0]) ) { loc += 4; } @@ -1459,7 +1593,7 @@ extern char *lwgeom_construct(int SRID,int finalType,int ndims, int nsubgeometri { lengths[t] = lwgeom_seralizedformlength(serialized_subs[t],-1); total_length += lengths[t]; - this_type = lwgeom_getType(serialized_subs[t][0]); + this_type = lwgeom_getType((unsigned char) (serialized_subs[t][0])); if (type == -1) { type = this_type; @@ -1513,7 +1647,7 @@ extern char *lwgeom_construct(int SRID,int finalType,int ndims, int nsubgeometri total_length +=4 ; // nsubgeometries result = palloc(total_length); - result[0] = lwgeom_makeType( ndims, SRID != -1, type); + result[0] = (unsigned char) lwgeom_makeType( ndims, SRID != -1, type); if (SRID != -1) { memcpy(&result[1],&SRID,4); @@ -1552,7 +1686,7 @@ char *lwgeom_constructempty(int SRID,int ndims) result = palloc(size); - result[0] = lwgeom_makeType( ndims, SRID != -1, COLLECTIONTYPE); + result[0] =(unsigned char) lwgeom_makeType( ndims, SRID != -1, COLLECTIONTYPE); if (SRID != -1) { memcpy(&result[1],&SRID,4); @@ -1577,7 +1711,7 @@ char *lwgeom_constructempty(int SRID,int ndims) // take a geometry, and find its length int lwgeom_seralizedformlength_simple(char *serialized_form) { - char type = lwgeom_getType( serialized_form[0]); + unsigned char type = lwgeom_getType((unsigned char) serialized_form[0]); int t; char *loc; uint32 ngeoms; @@ -1594,16 +1728,23 @@ int lwgeom_seralizedformlength_simple(char *serialized_form) //handle all the multi* and geometrycollections the same //NOTE: for a geometry collection of GC of GC of GC we will be recursing... - if (lwgeom_hasSRID( serialized_form[0]) ) + + + loc = serialized_form+1; + + if (lwgeom_hasBBOX((unsigned char) serialized_form[0])) { - result +=4; - loc = serialized_form+5; + loc += sizeof(BOX2DFLOAT4); + result +=sizeof(BOX2DFLOAT4); } - else + + if (lwgeom_hasSRID( (unsigned char) serialized_form[0]) ) { - loc =serialized_form+1; + result +=4; + loc +=4; } + ngeoms = get_uint32(loc); loc +=4; @@ -1648,7 +1789,7 @@ BOX3D *lw_geom_getBB(char *serialized_form) BOX3D *lw_geom_getBB_simple(char *serialized_form) { - char type = lwgeom_getType( serialized_form[0]); + char type = lwgeom_getType((unsigned char) serialized_form[0]); int t; char *loc; uint32 ngeoms; @@ -1659,10 +1800,17 @@ BOX3D *lw_geom_getBB_simple(char *serialized_form) if (type == POINTTYPE) { + LWPOINT *pt = lwpoint_deserialize(serialized_form); result = lwpoint_findbbox(pt); pfree_point(pt); return result; + /* + result = palloc(sizeof(BOX3D)); + memcpy(result, serialized_form+1, sizeof(BOX2DFLOAT4)); + memcpy(( (char *)result)+24, serialized_form+1, sizeof(BOX2DFLOAT4)); + return result; + */ } else if (type == LINETYPE) @@ -1671,6 +1819,7 @@ BOX3D *lw_geom_getBB_simple(char *serialized_form) result = lwline_findbbox(line); pfree_line(line); return result; + } else if (type == POLYGONTYPE) { @@ -1680,13 +1829,16 @@ BOX3D *lw_geom_getBB_simple(char *serialized_form) return result; } - if (lwgeom_hasSRID( serialized_form[0]) ) - { - loc = serialized_form+5; - } - else + loc = serialized_form+1; + + if (lwgeom_hasBBOX((unsigned char) serialized_form[0])) + { + loc += sizeof(BOX2DFLOAT4); + } + + if (lwgeom_hasSRID((unsigned char) serialized_form[0]) ) { - loc =serialized_form+1; + loc +=4; } ngeoms = get_uint32(loc); @@ -1730,10 +1882,15 @@ BOX3D *lw_geom_getBB_inspected(LWGEOM_INSPECTED *inspected) for (t=0;tngeometries;t++) { b1 = lw_geom_getBB_simple( inspected->sub_geoms[t] ); + +// elog(NOTICE,"%i has box :: BBOX3D(%g %g, %g %g)",t,b1->xmin, b1->ymin,b1->xmax, b1->ymax); + if (result != NULL) { b2= result; result = combine_boxes(b2, b1); +// elog(NOTICE,"combined has :: BBOX3D(%g %g, %g %g)",result->xmin, result->ymin,result->xmax, result->ymax); + pfree(b1); pfree(b2); } @@ -1808,6 +1965,14 @@ void printLWLINE(LWLINE *line) elog(NOTICE,"}"); } +void printLWPOINT(LWPOINT *point) +{ + elog(NOTICE,"LWPOINT {"); + elog(NOTICE," ndims = %i", (int)point->ndims); + elog(NOTICE," SRID = %i", (int)point->SRID); + printPA(point->point); + elog(NOTICE,"}"); +} void printPA(POINTARRAY *pa) { @@ -1849,7 +2014,7 @@ void printBYTES(unsigned char *a, int n) buff[2] = 0; //null terminate - elog(NOTICE," BYTE ARRAY (n=%i) {", n); + elog(NOTICE," BYTE ARRAY (n=%i) IN HEX: {", n); for (t=0;tngeometries); + elog(NOTICE,"MULTI* geometry (type = %i), with %i sub-geoms",lwgeom_getType((unsigned char)serialized[0]), inspected->ngeometries); for (t=0;tngeometries;t++) { @@ -1911,3 +2076,32 @@ void printMULTI(char *serialized) pfree_inspected(inspected); } +void printType(unsigned char type) +{ + elog(NOTICE,"type 0x%x ==> hasBBOX=%i, hasSRID=%i, ndims=%i, type=%i",(unsigned int) type, lwgeom_hasBBOX(type), lwgeom_hasSRID(type),lwgeom_ndims(type), lwgeom_getType(type)); +} + + + + +//get the SRID from the LWGEOM +// none present => -1 +int lwgeom_getSRID(char *serialized_form) +{ + unsigned char type = (unsigned char) serialized_form[0]; + char *loc; + + + loc = serialized_form+1; + + if (lwgeom_hasBBOX((unsigned char) serialized_form[0])) + { + loc += sizeof(BOX2DFLOAT4); + } + + if ( lwgeom_hasSRID(type)) + { + return get_int32(loc); + } + return -1; +} diff --git a/lwgeom/lwgeom_functions_basic.c b/lwgeom/lwgeom_functions_basic.c index e69de29bb..e535ae73e 100644 --- a/lwgeom/lwgeom_functions_basic.c +++ b/lwgeom/lwgeom_functions_basic.c @@ -0,0 +1,103 @@ +#include "postgres.h" + +#include +#include +#include +#include +#include + +#include "access/gist.h" +#include "access/itup.h" +#include "access/rtree.h" + +#include "fmgr.h" +#include "utils/elog.h" + + +#include "lwgeom.h" + + + + + +#define DEBUG + +#include "wktparse.h" + +Datum LWGEOM_getSRID(PG_FUNCTION_ARGS); +Datum LWGEOM_setSRID(PG_FUNCTION_ARGS); + + +// getSRID(lwgeom) :: int4 +PG_FUNCTION_INFO_V1(LWGEOM_getSRID); +Datum LWGEOM_getSRID(PG_FUNCTION_ARGS) +{ + char *lwgeom = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + int srid = lwgeom_getSRID (lwgeom+4); + + // printBYTES(lwgeom, *((int*)lwgeom) ); + + PG_RETURN_INT32(srid); + +} + +//setSRID(lwgeom, int4) :: lwgeom +PG_FUNCTION_INFO_V1(LWGEOM_setSRID); +Datum LWGEOM_setSRID(PG_FUNCTION_ARGS) +{ + char *lwgeom = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + int newSRID = PG_GETARG_INT32(1); + char type = lwgeom[4]; + int bbox_offset =0; //0=no bbox, otherwise sizeof(BOX2DFLOAT4) + int len,len_new,len_left; + char *result; + char *loc_new, *loc_old; + + // I'm totally cheating here + // If it already has an SRID, just overwrite it. + // If it doesnt have an SRID, we'll create it + + if (lwgeom_hasBBOX(type)) + bbox_offset = sizeof(BOX2DFLOAT4); + + len = *((int *)lwgeom); + + if (lwgeom_hasSRID(type)) + { + //we create a new one and copy the SRID in + result = palloc(len); + memcpy(result, lwgeom, len); + memcpy(result+5+bbox_offset, &newSRID,4); + PG_RETURN_POINTER(result); + } + else // need to add one + { + len_new = len + 4;//+4 for SRID + result = palloc(len_new); + memcpy(result, &len_new, 4); // size copy in + result[4] = lwgeom_makeType_full(lwgeom_ndims(type), true, lwgeom_getType(type),lwgeom_hasBBOX(type)); + + + loc_new = result+5; + loc_old = lwgeom+5; + + len_left = len -4-1;// old length - size - type + + // handle bbox (if there) + + if (lwgeom_hasBBOX(type)) + { + memcpy(loc_new, loc_old, sizeof(BOX2DFLOAT4)) ;//copy in bbox + loc_new+= sizeof(BOX2DFLOAT4); + loc_old+= sizeof(BOX2DFLOAT4); + len_left -= sizeof(BOX2DFLOAT4); + } + + //put in SRID + + memcpy(loc_new, &newSRID,4); + loc_new +=4; + memcpy(loc_new, loc_old, len_left); + PG_RETURN_POINTER(result); + } +} diff --git a/lwgeom/lwgeom_gist.c b/lwgeom/lwgeom_gist.c index e69de29bb..f3bf62a80 100644 --- a/lwgeom/lwgeom_gist.c +++ b/lwgeom/lwgeom_gist.c @@ -0,0 +1,1063 @@ +#include "postgres.h" + +#include +#include +#include +#include +#include + +#include "access/gist.h" +#include "access/itup.h" +#include "access/rtree.h" + +#include "fmgr.h" +#include "utils/elog.h" + + +#include "lwgeom.h" +#include "stringBuffer.h" + + +//#define DEBUG +//#define DEBUG_GIST +//#define DEBUG_GIST2 +//#define DEBUG_GIST3 +//#define DEBUG_GIST4 +//#define DEBUG_GIST5 +//#define DEBUG_GIST6 + +Datum lwgeom_same(PG_FUNCTION_ARGS); +Datum lwgeom_overlap(PG_FUNCTION_ARGS); +Datum lwgeom_overleft(PG_FUNCTION_ARGS); +Datum lwgeom_left(PG_FUNCTION_ARGS); +Datum lwgeom_right(PG_FUNCTION_ARGS); +Datum lwgeom_overright(PG_FUNCTION_ARGS); +Datum lwgeom_contained(PG_FUNCTION_ARGS); +Datum lwgeom_contain(PG_FUNCTION_ARGS); + + + +static float size_box2d(Datum box); + +static bool lwgeom_rtree_internal_consistent(BOX2DFLOAT4 *key,BOX2DFLOAT4 *query,StrategyNumber strategy); +static bool lwgeom_rtree_leaf_consistent(BOX2DFLOAT4 *key,BOX2DFLOAT4 *query, StrategyNumber strategy); + + +static char *bbox_cache_index =NULL; +static BOX2DFLOAT4 *bbox_cache_value = NULL; +static BOX2DFLOAT4 *getBOX2D_cache(char *lwgeom); +static int counter = 0; +static int counter2 = 0; +static int counter1 = 0; + +int counter_leaf = 0; +int counter_intern = 0; + +static BOX2DFLOAT4 *getBOX2D_cache(char *lwgeom) +{ + if (bbox_cache_index != lwgeom) + { + BOX2DFLOAT4 box; + +#ifdef DEBUG_GIST4 + elog(NOTICE,"GIST: getBOX2D_cache -- cache miss %i times",counter); + counter++; +#endif + + if (bbox_cache_value == NULL) + bbox_cache_value = malloc(sizeof(BOX2DFLOAT4)); // initial value + + box = getbox2d(lwgeom+4); + + memcpy(bbox_cache_value, &box, sizeof(BOX2DFLOAT4)); + bbox_cache_index = lwgeom; + return bbox_cache_value; + } + else + { + return bbox_cache_value; + } +} + +// all the lwgeom_ +// work the same. +// 1. get lwgeom1 +// 2. get lwgeom2 +// 3. get box3d for lwgeom1 +// 4. get box3d for lwgeom2 +// 5. convert box3d (for lwgeom1) to BOX2DFLOAT4 +// 6. convert box3d (for lwgeom2) to BOX2DFLOAT4 +// 7. call the appropriate BOX2DFLOAT4 function +// 8. return result; + +// lwgeom_same(lwgeom1, lwgeom2) +PG_FUNCTION_INFO_V1(lwgeom_same); +Datum lwgeom_same(PG_FUNCTION_ARGS) +{ + char *lwgeom1 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + char *lwgeom2 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1)); + bool result; + + + BOX2DFLOAT4 box1 = getbox2d(lwgeom1+4); + BOX2DFLOAT4 box2 = getbox2d(lwgeom2+4); + + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: lwgeom_same --entry"); +#endif + + + result = DatumGetBool(DirectFunctionCall2(box2d_same, + PointerGetDatum(&box1), + PointerGetDatum(&box2) ) ); + + PG_FREE_IF_COPY(lwgeom1, 0); + PG_FREE_IF_COPY(lwgeom2, 1); + + PG_RETURN_BOOL(result); +} + +PG_FUNCTION_INFO_V1(lwgeom_overlap); +Datum lwgeom_overlap(PG_FUNCTION_ARGS) +{ + char *lwgeom1 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + char *lwgeom2 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1)); + bool result; + + + BOX2DFLOAT4 box1 = getbox2d(lwgeom1+4); + BOX2DFLOAT4 box2 = getbox2d(lwgeom2+4); + + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: lwgeom_overlap --entry"); +#endif + + result = DatumGetBool(DirectFunctionCall2(box2d_overlap, + PointerGetDatum(&box1), + PointerGetDatum(&box2) ) ); + + PG_FREE_IF_COPY(lwgeom1, 0); + PG_FREE_IF_COPY(lwgeom2, 1); + + PG_RETURN_BOOL(result); +} + + +PG_FUNCTION_INFO_V1(lwgeom_overleft); +Datum lwgeom_overleft(PG_FUNCTION_ARGS) +{ + char *lwgeom1 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + char *lwgeom2 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1)); + bool result; + + + BOX2DFLOAT4 box1 = getbox2d(lwgeom1+4); + BOX2DFLOAT4 box2 = getbox2d(lwgeom2+4); +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: lwgeom_overleft --entry"); +#endif + + result = DatumGetBool(DirectFunctionCall2(box2d_overleft, + PointerGetDatum(&box1), + PointerGetDatum(&box2) ) ); + + PG_FREE_IF_COPY(lwgeom1, 0); + PG_FREE_IF_COPY(lwgeom2, 1); + + PG_RETURN_BOOL(result); +} + +PG_FUNCTION_INFO_V1(lwgeom_left); +Datum lwgeom_left(PG_FUNCTION_ARGS) +{ + char *lwgeom1 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + char *lwgeom2 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1)); + bool result; + + BOX2DFLOAT4 box1 = getbox2d(lwgeom1+4); + BOX2DFLOAT4 box2 = getbox2d(lwgeom2+4); + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: lwgeom_left --entry"); +#endif + + result = DatumGetBool(DirectFunctionCall2(box2d_left, + PointerGetDatum(&box1), + PointerGetDatum(&box2) ) ); + + PG_FREE_IF_COPY(lwgeom1, 0); + PG_FREE_IF_COPY(lwgeom2, 1); + + PG_RETURN_BOOL(result); +} + + +PG_FUNCTION_INFO_V1(lwgeom_right); +Datum lwgeom_right(PG_FUNCTION_ARGS) +{ + char *lwgeom1 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + char *lwgeom2 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1)); + bool result; + + + BOX2DFLOAT4 box1 = getbox2d(lwgeom1+4); + BOX2DFLOAT4 box2 = getbox2d(lwgeom2+4); +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: lwgeom_right --entry"); +#endif + result = DatumGetBool(DirectFunctionCall2(box2d_right, + PointerGetDatum(&box1), + PointerGetDatum(&box2) ) ); + + PG_FREE_IF_COPY(lwgeom1, 0); + PG_FREE_IF_COPY(lwgeom2, 1); + + PG_RETURN_BOOL(result); +} + + +PG_FUNCTION_INFO_V1(lwgeom_overright); +Datum lwgeom_overright(PG_FUNCTION_ARGS) +{ + char *lwgeom1 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + char *lwgeom2 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1)); + bool result; + + + BOX2DFLOAT4 box1 = getbox2d(lwgeom1+4); + BOX2DFLOAT4 box2 = getbox2d(lwgeom2+4); + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: lwgeom_overright --entry"); +#endif + + result = DatumGetBool(DirectFunctionCall2(box2d_overright, + PointerGetDatum(&box1), + PointerGetDatum(&box2) ) ); + + PG_FREE_IF_COPY(lwgeom1, 0); + PG_FREE_IF_COPY(lwgeom2, 1); + + PG_RETURN_BOOL(result); +} + + +PG_FUNCTION_INFO_V1(lwgeom_contained); +Datum lwgeom_contained(PG_FUNCTION_ARGS) +{ + char *lwgeom1 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + char *lwgeom2 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1)); + bool result; + + + BOX2DFLOAT4 box1 = getbox2d(lwgeom1+4); + BOX2DFLOAT4 box2 = getbox2d(lwgeom2+4); + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: lwgeom_contained --entry"); +#endif + result = DatumGetBool(DirectFunctionCall2(box2d_contained, + PointerGetDatum(&box1), + PointerGetDatum(&box2) ) ); + + PG_FREE_IF_COPY(lwgeom1, 0); + PG_FREE_IF_COPY(lwgeom2, 1); + + PG_RETURN_BOOL(result); +} + + +PG_FUNCTION_INFO_V1(lwgeom_contain); +Datum lwgeom_contain(PG_FUNCTION_ARGS) +{ + char *lwgeom1 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + char *lwgeom2 = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1)); + bool result; + + + BOX2DFLOAT4 box1 = getbox2d(lwgeom1+4); + BOX2DFLOAT4 box2 = getbox2d(lwgeom2+4); + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: lwgeom_contain --entry"); +#endif + + result = DatumGetBool(DirectFunctionCall2(box2d_contain, + PointerGetDatum(&box1), + PointerGetDatum(&box2) ) ); + + PG_FREE_IF_COPY(lwgeom1, 0); + PG_FREE_IF_COPY(lwgeom2, 1); + + PG_RETURN_BOOL(result); +} + + +// These functions are taken from the postgis_gist_72.c file + + + +PG_FUNCTION_INFO_V1(gist_lwgeom_compress); +Datum gist_lwgeom_compress(PG_FUNCTION_ARGS) +{ + GISTENTRY *entry=(GISTENTRY*)PG_GETARG_POINTER(0); + GISTENTRY *retval; + + +#ifdef DEBUG_GIST4 + elog(NOTICE,"GIST: gist_lwgeom_compress called on lwgeom"); +#endif + + if ( entry->leafkey) + { + retval = palloc(sizeof(GISTENTRY)); + if ( DatumGetPointer(entry->key) != NULL ) + { + + char *in; // lwgeom serialized + BOX2DFLOAT4 r,*rr; + + in = (char*)PG_DETOAST_DATUM( entry->key ); // lwgeom serialized form + + if (in == NULL) + PG_RETURN_POINTER(entry); + + if (lwgeom_getnumgeometries(in+4) ==0) // this is the EMPTY geometry + { +elog(NOTICE,"found an empty geometry"); + // dont bother adding this to the index + PG_RETURN_POINTER(entry); + } + else + { + r = getbox2d(in+4); + rr = (BOX2DFLOAT4*) palloc(sizeof(BOX2DFLOAT4)); + memcpy(rr,&r,sizeof(BOX2DFLOAT4)); + + +#ifdef DEBUG_GIST2 + elog(NOTICE,"GIST: gist_lwgeom_compress -- got box2d BOX(%.15g %.15g,%.15g %.15g)", r.xmin, r.ymin, r.xmax, r.ymax); +#endif + //r = convert_box3d_to_box(&in->bvol); + + if ( in != (char*)DatumGetPointer(entry->key) ) + { + pfree( in ); // PG_FREE_IF_COPY + } + + gistentryinit(*retval, PointerGetDatum(rr), entry->rel, entry->page, + entry->offset, sizeof(BOX2DFLOAT4), FALSE); + } + + } + else + { + gistentryinit(*retval, (Datum) 0, entry->rel, entry->page, + entry->offset, 0,FALSE); + } + } + else + { + retval = entry; + } + + PG_RETURN_POINTER(retval); +} + + +PG_FUNCTION_INFO_V1(gist_lwgeom_consistent); +Datum gist_lwgeom_consistent(PG_FUNCTION_ARGS) +{ + GISTENTRY *entry = (GISTENTRY*) PG_GETARG_POINTER(0); + char *query ; // lwgeom serialized form + StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2); + // BOX thebox; + bool result; + BOX2DFLOAT4 *thebox; + BOX2DFLOAT4 box; + + /* + ** if entry is not leaf, use rtree_internal_consistent, + ** else use rtree_leaf_consistent + */ +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: gist_lwgeom_consistent called"); +#endif + + if ( ( (Pointer *) PG_GETARG_DATUM(1) ) == NULL) + { + //elog(NOTICE,"gist_lwgeom_consistent:: got null query!"); + PG_RETURN_BOOL(false); // null query - this is screwy! + } + + query = (char*) PG_DETOAST_DATUM(PG_GETARG_DATUM(1)); + + + if ( ! (DatumGetPointer(entry->key) != NULL && query) ) + PG_RETURN_BOOL(FALSE); + + + //box3d = lw_geom_getBB(query+4); + //thebox = box3d_to_box2df(box3d); + //pfree(box3d); + //convert_box3d_to_box_p( &(query->bvol) , &thebox); + //thebox = getBOX2D_cache(query); + getbox2d_p(query+4, &box); + + if (GIST_LEAF(entry)) + result = lwgeom_rtree_leaf_consistent((BOX2DFLOAT4 *) DatumGetPointer(entry->key), &box, strategy ); + else + result = lwgeom_rtree_internal_consistent((BOX2DFLOAT4 *) DatumGetPointer(entry->key), &box, strategy ); + + //pfree(thebox); + PG_FREE_IF_COPY(query, 1); + PG_RETURN_BOOL(result); +} + + +static bool lwgeom_rtree_internal_consistent(BOX2DFLOAT4 *key, + BOX2DFLOAT4 *query, + StrategyNumber strategy) +{ + bool retval; + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: lwgeom_rtree_internal_consistent called with strategy=%i",strategy); +#endif + + switch(strategy) { + case RTLeftStrategyNumber: + case RTOverLeftStrategyNumber: + retval = DatumGetBool( DirectFunctionCall2( box2d_overleft, PointerGetDatum(key), PointerGetDatum(query) ) ); + break; + case RTOverlapStrategyNumber: //optimized for speed + + retval = (((key->xmax>= query->xmax) && + (key->xmin <= query->xmax)) || + ((query->xmax>= key->xmax) && + (query->xmin<= key->xmax))) + && + (((key->ymax>= query->ymax) && + (key->ymin<= query->ymax)) || + ((query->ymax>= key->ymax) && + (query->ymin<= key->ymax))); + + + +#ifdef DEBUG_GIST5 + if (counter_intern == 0) + { + elog(NOTICE,"search bounding box is: <%.16g %.16g,%.16g %.16g> - size box2d= %i", + query->xmin,query->ymin,query->xmax,query->ymax,sizeof(BOX2DFLOAT4)); + + } + + + +elog(NOTICE,"%i:(int)<%.8g %.8g,%.8g %.8g>&&<%.8g %.8g,%.8g %.8g> %i",counter_intern,key->xmin,key->ymin,key->xmax,key->ymax, + query->xmin,query->ymin,query->xmax,query->ymax, (int) retval); +#endif + counter_intern++; + return(retval); + break; + case RTOverRightStrategyNumber: + case RTRightStrategyNumber: + retval = DatumGetBool( DirectFunctionCall2( box2d_overright, PointerGetDatum(key), PointerGetDatum(query) ) ); + break; + case RTSameStrategyNumber: + case RTContainsStrategyNumber: + retval = DatumGetBool( DirectFunctionCall2( box2d_contain, PointerGetDatum(key), PointerGetDatum(query) ) ); + break; + case RTContainedByStrategyNumber: + retval = DatumGetBool( DirectFunctionCall2( box2d_overlap, PointerGetDatum(key), PointerGetDatum(query) ) ); + break; + default: + retval = FALSE; + } + return(retval); +} + + +static bool lwgeom_rtree_leaf_consistent(BOX2DFLOAT4 *key, + BOX2DFLOAT4 *query, + StrategyNumber strategy) +{ + bool retval; + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: rtree_leaf_consist called with strategy=%i",strategy); +#endif + + switch (strategy) + { + case RTLeftStrategyNumber: + retval = DatumGetBool(DirectFunctionCall2(box2d_left, PointerGetDatum(key), PointerGetDatum(query))); + break; + case RTOverLeftStrategyNumber: + retval = DatumGetBool(DirectFunctionCall2(box2d_overleft, PointerGetDatum(key), PointerGetDatum(query))); + break; + case RTOverlapStrategyNumber://optimized for speed + retval = (((key->xmax>= query->xmax) && + (key->xmin <= query->xmax)) || + ((query->xmax>= key->xmax) && + (query->xmin<= key->xmax))) + && + (((key->ymax>= query->ymax) && + (key->ymin<= query->ymax)) || + ((query->ymax>= key->ymax) && + (query->ymin<= key->ymax))); +#ifdef DEBUG_GIST5 + elog(NOTICE,"%i:gist test (leaf) <%.6g %.6g,%.6g %.6g> && <%.6g %.6g,%.6g %.6g> --> %i",counter_leaf,key->xmin,key->ymin,key->xmax,key->ymax, + query->xmin,query->ymin,query->xmax,query->ymax, (int) retval); +#endif + counter_leaf++; + return(retval); + break; + case RTOverRightStrategyNumber: + retval = DatumGetBool(DirectFunctionCall2(box2d_overright, PointerGetDatum(key), PointerGetDatum(query))); + break; + case RTRightStrategyNumber: + retval = DatumGetBool(DirectFunctionCall2(box2d_right, PointerGetDatum(key), PointerGetDatum(query))); + break; + case RTSameStrategyNumber: + retval = DatumGetBool(DirectFunctionCall2(box2d_same, PointerGetDatum(key), PointerGetDatum(query))); + break; + case RTContainsStrategyNumber: + retval = DatumGetBool(DirectFunctionCall2(box2d_contain, PointerGetDatum(key), PointerGetDatum(query))); + break; + case RTContainedByStrategyNumber: + retval = DatumGetBool(DirectFunctionCall2(box2d_contained, PointerGetDatum(key), PointerGetDatum(query))); + break; + default: + retval = FALSE; + } + return (retval); +} + + + +PG_FUNCTION_INFO_V1(gist_rtree_decompress); +Datum gist_rtree_decompress(PG_FUNCTION_ARGS) +{ +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: gist_rtree_decompress called %i",counter2); + counter2++; +#endif + + PG_RETURN_POINTER(PG_GETARG_POINTER(0)); +} + + + +/* +** The GiST Union method for boxes +** returns the minimal bounding box that encloses all the entries in entryvec +*/ +PG_FUNCTION_INFO_V1(lwgeom_box_union); +Datum lwgeom_box_union(PG_FUNCTION_ARGS) +{ + bytea *entryvec = (bytea *) PG_GETARG_POINTER(0); + int *sizep = (int *) PG_GETARG_POINTER(1); + int numranges, + i; + BOX2DFLOAT4 *cur, + *pageunion; + + + numranges = (VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY); + pageunion = (BOX2DFLOAT4 *) palloc(sizeof(BOX2DFLOAT4)); + cur = (BOX2DFLOAT4 *) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[0].key); + memcpy((void *) pageunion, (void *) cur, sizeof(BOX2DFLOAT4)); + + + + + for (i = 1; i < numranges; i++) + { + cur = (BOX2DFLOAT4*) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[i].key); + + if (pageunion->xmax < cur->xmax) + pageunion->xmax = cur->xmax; + if (pageunion->xmin > cur->xmin) + pageunion->xmin = cur->xmin; + if (pageunion->ymax < cur->ymax) + pageunion->ymax = cur->ymax; + if (pageunion->ymin > cur->ymin) + pageunion->ymin = cur->ymin; + } + + *sizep = sizeof(BOX2DFLOAT4); + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: gbox_union called with numranges=%i pageunion is: <%.16g %.16g,%.16g %.16g>", numranges,pageunion->xmin, pageunion->ymin, pageunion->xmax, pageunion->ymax); +#endif + + + PG_RETURN_POINTER(pageunion); +} + +static float size_box2d(Datum box2d) +{ + + float result; + + + if (DatumGetPointer(box2d) != NULL) + { + BOX2DFLOAT4 *a = (BOX2DFLOAT4*) DatumGetPointer(box2d); + + if (a == (BOX2DFLOAT4 *) NULL || a->xmax <= a->xmin || a->ymax <= a->ymin) + result = (float) 0.0; + else + { + result = (((double) a->xmax)-((double) a->xmin)) * (((double) a->ymax)-((double) a->ymin)); + } + // result= (float) ((a->xmax - a->xmin) * (a->ymax - a->ymin)); + } + else + result = (float) 0.0; + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: size_box2d called - returning %.15g",result); +#endif + return result; +} + +static double size_box2d_double(Datum box2d); +static double size_box2d_double(Datum box2d) +{ + + double result; + + + if (DatumGetPointer(box2d) != NULL) + { + BOX2DFLOAT4 *a = (BOX2DFLOAT4*) DatumGetPointer(box2d); + + if (a == (BOX2DFLOAT4 *) NULL || a->xmax <= a->xmin || a->ymax <= a->ymin) + result = (double) 0.0; + else + { + result = (((double) a->xmax)-((double) a->xmin)) * (((double) a->ymax)-((double) a->ymin)); + } + // result= (float) ((a->xmax - a->xmin) * (a->ymax - a->ymin)); + } + else + result = (double) 0.0; + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: size_box2d_double called - returning %.15g",result); +#endif + return result; +} + + + +/* +** The GiST Penalty method for boxes +** As in the R-tree paper, we use change in area as our penalty metric +*/ +PG_FUNCTION_INFO_V1(lwgeom_box_penalty); +Datum lwgeom_box_penalty(PG_FUNCTION_ARGS) +{ + GISTENTRY *origentry = (GISTENTRY *) PG_GETARG_POINTER(0); + GISTENTRY *newentry = (GISTENTRY *) PG_GETARG_POINTER(1); + float *result = (float *) PG_GETARG_POINTER(2); + Datum ud; + BOX2DFLOAT4 *b1, *b2; + double tmp1; + + + + ud = DirectFunctionCall2(box2d_union, origentry->key, newentry->key); + tmp1 = size_box2d_double(ud); + if (DatumGetPointer(ud) != NULL) + pfree(DatumGetPointer(ud)); + + *result = tmp1 - size_box2d_double(origentry->key); +/* + if ( (*result <0) && (*result > -0.00001)) + *result = 0; + if ( (*result >0) && (*result < 0.00001)) + *result = 0; + +*/ + +#ifdef DEBUG_GIST6 + elog(NOTICE,"GIST: lwgeom_box_penalty called and returning %.15g", *result); + if (*result<0) + { + BOX2DFLOAT4 *a, *b,*c; + a = (BOX2DFLOAT4*) DatumGetPointer(origentry->key); + b = (BOX2DFLOAT4*) DatumGetPointer(newentry->key); + c = (BOX2DFLOAT4*) DatumGetPointer(DirectFunctionCall2(box2d_union, origentry->key, newentry->key)); + //elog(NOTICE,"lwgeom_box_penalty -- a = <%.16g %.16g,%.16g %.16g>", a->xmin, a->ymin, a->xmax, a->ymax); + //elog(NOTICE,"lwgeom_box_penalty -- b = <%.16g %.16g,%.16g %.16g>", b->xmin, b->ymin, b->xmax, b->ymax); + //elog(NOTICE,"lwgeom_box_penalty -- c = <%.16g %.16g,%.16g %.16g>", c->xmin, c->ymin, c->xmax, c->ymax); + } +#endif + + PG_RETURN_POINTER(result); +} + +typedef struct { + BOX2DFLOAT4 *key; + int pos; +} KBsort; + +static int +compare_KB(const void* a, const void* b) { + BOX2DFLOAT4 *abox = ((KBsort*)a)->key; + BOX2DFLOAT4 *bbox = ((KBsort*)b)->key; + float sa = (abox->xmax - abox->xmin) * (abox->ymax - abox->ymin); + float sb = (bbox->xmax - bbox->xmin) * (bbox->ymax - bbox->ymin); + + if ( sa==sb ) return 0; + return ( sa>sb ) ? 1 : -1; +} + +/* +** Equality method +*/ +PG_FUNCTION_INFO_V1(lwgeom_gbox_same); +Datum lwgeom_gbox_same(PG_FUNCTION_ARGS) +{ + BOX2DFLOAT4 *b1 = (BOX2DFLOAT4 *) PG_GETARG_POINTER(0); + BOX2DFLOAT4 *b2 = (BOX2DFLOAT4 *) PG_GETARG_POINTER(1); + bool *result = (bool *) PG_GETARG_POINTER(2); + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: lwgeom_gbox_same called"); +#endif + + if (b1 && b2) + *result = DatumGetBool(DirectFunctionCall2(box2d_same, PointerGetDatum(b1), PointerGetDatum(b2))); + else + *result = (b1 == NULL && b2 == NULL) ? TRUE : FALSE; + PG_RETURN_POINTER(result); +} + + + + +/* +** The GiST PickSplit method +** New linear algorithm, see 'New Linear Node Splitting Algorithm for R-tree', +** C.H.Ang and T.C.Tan +*/ +PG_FUNCTION_INFO_V1(lwgeom_gbox_picksplit); +Datum lwgeom_gbox_picksplit(PG_FUNCTION_ARGS) +{ + bytea *entryvec = (bytea *) PG_GETARG_POINTER(0); + GIST_SPLITVEC *v = (GIST_SPLITVEC *) PG_GETARG_POINTER(1); + OffsetNumber i; + OffsetNumber *listL, + *listR, + *listB, + *listT; + BOX2DFLOAT4 *unionL, + *unionR, + *unionB, + *unionT; + int posL, + posR, + posB, + posT; + BOX2DFLOAT4 pageunion; + BOX2DFLOAT4 *cur; + char direction = ' '; + bool allisequal = true; + OffsetNumber maxoff; + int nbytes; + +#ifdef DEBUG_GIST + elog(NOTICE,"GIST: lwgeom_gbox_picksplit called"); +#endif + +#ifdef DEBUG_GIST6 + elog(NOTICE,"GIST: lwgeom_gbox_picksplit called -- analysing"); +#endif + + + posL = posR = posB = posT = 0; + maxoff = ((VARSIZE(entryvec) - VARHDRSZ) / sizeof(GISTENTRY)) - 1; + + + + cur = (BOX2DFLOAT4*) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[FirstOffsetNumber].key); + memcpy((void *) &pageunion, (void *) cur, sizeof(BOX2DFLOAT4)); + +#ifdef DEBUG_GIST6 +elog(NOTICE," cur is: <%.16g %.16g,%.16g %.16g>", cur->xmin, cur->ymin, cur->xmax, cur->ymax); +#endif + + + /* find MBR */ + for (i = OffsetNumberNext(FirstOffsetNumber); i <= maxoff; i = OffsetNumberNext(i)) + { + cur = (BOX2DFLOAT4*) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[i].key); + if ( allisequal == true && ( + pageunion.xmax != cur->xmax || + pageunion.ymax != cur->ymax || + pageunion.xmin != cur->xmin || + pageunion.ymin != cur->ymin + ) ) + allisequal = false; + + if (pageunion.xmax < cur->xmax) + pageunion.xmax = cur->xmax; + if (pageunion.xmin > cur->xmin) + pageunion.xmin = cur->xmin; + if (pageunion.ymax < cur->ymax) + pageunion.ymax = cur->ymax; + if (pageunion.ymin> cur->ymin) + pageunion.ymin = cur->ymin; + } + +#ifdef DEBUG_GIST6 +elog(NOTICE," pageunion is: <%.16g %.16g,%.16g %.16g>", pageunion.xmin, pageunion.ymin, pageunion.xmax, pageunion.ymax); +#endif + + + nbytes = (maxoff + 2) * sizeof(OffsetNumber); + listL = (OffsetNumber *) palloc(nbytes); + listR = (OffsetNumber *) palloc(nbytes); + unionL = (BOX2DFLOAT4 *) palloc(sizeof(BOX2DFLOAT4)); + unionR = (BOX2DFLOAT4 *) palloc(sizeof(BOX2DFLOAT4)); + + if (allisequal) + { +#ifdef DEBUG_GIST6 +elog(NOTICE," AllIsEqual!"); +#endif + cur = (BOX2DFLOAT4*) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[OffsetNumberNext(FirstOffsetNumber)].key); + if (memcmp((void *) cur, (void *) &pageunion, sizeof(BOX2DFLOAT4)) == 0) + { + v->spl_left = listL; + v->spl_right = listR; + v->spl_nleft = v->spl_nright = 0; + memcpy((void *) unionL, (void *) &pageunion, sizeof(BOX2DFLOAT4)); + memcpy((void *) unionR, (void *) &pageunion, sizeof(BOX2DFLOAT4)); + + for (i = FirstOffsetNumber; i <= maxoff; i = OffsetNumberNext(i)) + { + if (i <= (maxoff - FirstOffsetNumber + 1) / 2) + { + v->spl_left[v->spl_nleft] = i; + v->spl_nleft++; + } + else + { + v->spl_right[v->spl_nright] = i; + v->spl_nright++; + } + } + v->spl_ldatum = PointerGetDatum(unionL); + v->spl_rdatum = PointerGetDatum(unionR); + + PG_RETURN_POINTER(v); + } + } + + + + + listB = (OffsetNumber *) palloc(nbytes); + listT = (OffsetNumber *) palloc(nbytes); + unionB = (BOX2DFLOAT4 *) palloc(sizeof(BOX2DFLOAT4)); + unionT = (BOX2DFLOAT4 *) palloc(sizeof(BOX2DFLOAT4)); + +#define ADDLIST( list, unionD, pos, num ) do { \ + if ( pos ) { \ + if ( unionD->xmax < cur->xmax ) unionD->xmax = cur->xmax; \ + if ( unionD->xmin > cur->xmin ) unionD->xmin = cur->xmin; \ + if ( unionD->ymax < cur->ymax ) unionD->ymax = cur->ymax; \ + if ( unionD->ymin > cur->ymin ) unionD->ymin = cur->ymin; \ + } else { \ + memcpy( (void*)unionD, (void*) cur, sizeof( BOX2DFLOAT4 ) ); \ + } \ + list[pos] = num; \ + (pos)++; \ +} while(0) + + for (i = FirstOffsetNumber; i <= maxoff; i = OffsetNumberNext(i)) + { + cur = (BOX2DFLOAT4*) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[i].key); + if (cur->xmin - pageunion.xmin < pageunion.xmax - cur->xmax) + ADDLIST(listL, unionL, posL,i); + else + ADDLIST(listR, unionR, posR,i); + if (cur->ymin - pageunion.ymin < pageunion.ymax - cur->ymax) + ADDLIST(listB, unionB, posB,i); + else + ADDLIST(listT, unionT, posT,i); + } + +#ifdef DEBUG_GIST6 +elog(NOTICE," unionL is: <%.16g %.16g,%.16g %.16g>", unionL->xmin, unionL->ymin, unionL->xmax, unionL->ymax); +elog(NOTICE," unionR is: <%.16g %.16g,%.16g %.16g>", unionR->xmin, unionR->ymin, unionR->xmax, unionR->ymax); +elog(NOTICE," unionT is: <%.16g %.16g,%.16g %.16g>", unionT->xmin, unionT->ymin, unionT->xmax, unionT->ymax); +elog(NOTICE," unionB is: <%.16g %.16g,%.16g %.16g>", unionB->xmin, unionB->ymin, unionB->xmax, unionB->ymax); +#endif + + + + /* bad disposition, sort by ascending and resplit */ + if ( (posR==0 || posL==0) && (posT==0 || posB==0) ) { + KBsort *arr = (KBsort*)palloc( sizeof(KBsort) * maxoff ); + posL = posR = posB = posT = 0; + for (i = FirstOffsetNumber; i <= maxoff; i = OffsetNumberNext(i)) { + arr[i-1].key = (BOX2DFLOAT4*) DatumGetPointer(((GISTENTRY *) VARDATA(entryvec))[i].key); + arr[i-1].pos = i; + } + qsort( arr, maxoff, sizeof(KBsort), compare_KB ); + for (i = FirstOffsetNumber; i <= maxoff; i = OffsetNumberNext(i)) { + cur = arr[i-1].key; + if (cur->xmin - pageunion.xmin < pageunion.xmax - cur->xmax) + ADDLIST(listL, unionL, posL,arr[i-1].pos); + else if ( cur->xmin - pageunion.xmin == pageunion.xmax - cur->xmax ) { + if ( posL>posR ) + ADDLIST(listR, unionR, posR,arr[i-1].pos); + else + ADDLIST(listL, unionL, posL,arr[i-1].pos); + } else + ADDLIST(listR, unionR, posR,arr[i-1].pos); + + if (cur->ymin - pageunion.ymin < pageunion.ymax - cur->ymax) + ADDLIST(listB, unionB, posB,arr[i-1].pos); + else if ( cur->ymin - pageunion.ymin == pageunion.ymax - cur->ymax ) { + if ( posB>posT ) + ADDLIST(listT, unionT, posT,arr[i-1].pos); + else + ADDLIST(listB, unionB, posB,arr[i-1].pos); + } else + ADDLIST(listT, unionT, posT,arr[i-1].pos); + } + pfree(arr); + } + + /* which split more optimal? */ + if (Max(posL, posR) < Max(posB, posT)) + direction = 'x'; + else if (Max(posL, posR) > Max(posB, posT)) + direction = 'y'; + else + { + Datum interLR = DirectFunctionCall2(box2d_inter, + PointerGetDatum(unionL), + PointerGetDatum(unionR)); + Datum interBT = DirectFunctionCall2(box2d_inter, + PointerGetDatum(unionB), + PointerGetDatum(unionT)); + float sizeLR, + sizeBT; + +//elog(NOTICE,"direction is abigeous"); + + sizeLR = size_box2d(interLR); + sizeBT = size_box2d(interBT); + + if (sizeLR < sizeBT) + direction = 'x'; + else + direction = 'y'; + } + + if (direction == 'x') + { + pfree(unionB); + pfree(listB); + pfree(unionT); + pfree(listT); + + v->spl_left = listL; + v->spl_right = listR; + v->spl_nleft = posL; + v->spl_nright = posR; + v->spl_ldatum = PointerGetDatum(unionL); + v->spl_rdatum = PointerGetDatum(unionR); + +#ifdef DEBUG_GIST6 +elog(NOTICE," split direction was '%c'", direction); +elog(NOTICE," posL = %i, posR=%i", posL,posR); +elog(NOTICE," posL's (nleft) offset numbers:"); +{ + char aaa[5000],bbb[100]; + aaa[0] =0; + +for (i=0;ispl_left = listB; + v->spl_right = listT; + v->spl_nleft = posB; + v->spl_nright = posT; + v->spl_ldatum = PointerGetDatum(unionB); + v->spl_rdatum = PointerGetDatum(unionT); + +#ifdef DEBUG_GIST6 +elog(NOTICE," split direction was '%c'", direction); +elog(NOTICE," posB = %i, posT=%i", posB,posT); +elog(NOTICE," posB's (nleft) offset numbers:"); +{ + char aaa[5000],bbb[100]; + aaa[0] =0; +for (i=0;i assumes SRID=-1 +// LWGEOM_in( 'SRID=99;0101000000000000000000F03F000000000000004') +// returns a LWGEOM object PG_FUNCTION_INFO_V1(LWGEOM_in); Datum LWGEOM_in(PG_FUNCTION_ARGS) { char *str = PG_GETARG_CSTRING(0); - WellKnownBinary *wkb; - char *result,*lwgeom; - int size; - int t; - int input_str_len; - int sizeWKB; - - int SRID = -1; //default (change) - - input_str_len = strlen(str); - - if ( ( ( (int)(input_str_len/2.0) ) *2.0) != input_str_len) - { - elog(ERROR,"LWGEOM_in parser - should be even number of characters!"); - PG_RETURN_NULL(); - } - - if (strspn(str,"0123456789ABCDEF") != strlen(str) ) - { - elog(ERROR,"WKB_in parser - input contains bad characters. Should only have '0123456789ABCDEF'!"); - PG_RETURN_NULL(); - } - size = (input_str_len/2) + 4; - wkb = (WellKnownBinary *) palloc(size); - wkb->size = size; - - for (t=0;t= '0') && (start <= '9') ) || + ( (start >= 'A') && (start <= 'F') ) + ) + { + //its WKB + //PG_RETURN_POINTER(parse_lwgeom_serialized_form(str)); + PG_RETURN_POINTER( parse_lwgeom_wkt(str) ); // this function handles wkt and wkb (in hex-form) + } + else if ( (start == 'P') || (start == 'L') || (start == 'M') || (start == 'G')) + { + // its WKT + PG_RETURN_POINTER( parse_lwgeom_wkt(str) ); // this function handles wkt and wkb (in hex-form) - PG_RETURN_POINTER(result); + } + else + { + elog(ERROR,"couldnt determine if input lwgeom is WKB or WKT"); + PG_RETURN_NULL(); + } } + +// LWGEOM_out(lwgeom) --> cstring +// output is 'SRID=#;' +// ie. 'SRID=-99;0101000000000000000000F03F0000000000000040' +// WKB is machine endian +// if SRID=-1, the 'SRID=-1;' will probably not be present. PG_FUNCTION_INFO_V1(LWGEOM_out); Datum LWGEOM_out(PG_FUNCTION_ARGS) { char *lwgeom = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); - char *result; - int size_result; - int t; - int size; - - char *wkb = lwgeom_to_wkb(lwgeom+4,&size,1); // 0=XDR, 1=NDR - - size_result = size *2 +1; //+1 for null char - result = palloc (size_result); - result[size_result-1] = 0; //null terminate + char *result =unparse_WKB(lwgeom,palloc_fn2,free_fn); - for (t=0; t< size; t++) - { - deparse_hex( ((unsigned char *) wkb)[t], &result[t*2]); - } - - pfree(wkb); PG_RETURN_CSTRING(result); } @@ -161,16 +133,18 @@ Datum LWGEOM_out(PG_FUNCTION_ARGS) // LWGEOMFromWKB(wkb, [SRID] ) +// NOTE: wkb is in *binary* not hex form. PG_FUNCTION_INFO_V1(LWGEOMFromWKB); Datum LWGEOMFromWKB(PG_FUNCTION_ARGS) { - char *wkb_input = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + WellKnownBinary *wkb_input = (WellKnownBinary *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + char *wkb_srid_hexized; + int size_result,size_header; int SRID = -1; - int size; - char *lwgeom; - char * result; - char *wkb_copy; - int sizeWKB; + char sridText[100]; + char *loc; + char *lwgeom; + int t; if ( ( PG_NARGS()>1) && ( ! PG_ARGISNULL(1) )) @@ -181,702 +155,90 @@ Datum LWGEOMFromWKB(PG_FUNCTION_ARGS) // elog(NOTICE,"LWGEOMFromWKB: entry with SRID=%i",SRID); - // need to do this because there might be a bunch of endian flips! - wkb_copy = palloc( *((int32 *) wkb_input)); - memcpy(wkb_copy, wkb_input+4, *((int32 *) wkb_input) -4); - - lwgeom = wkb_to_lwgeom(wkb_copy, SRID,&size,&sizeWKB); - - pfree(wkb_copy); // no longer referenced! - - result = palloc(size+4); - - memcpy(result+4, lwgeom, size); - size+=4; - memcpy(result, &size, 4); - - pfree(lwgeom); - - PG_RETURN_POINTER(result); -} - -// WKBFromLWGEOM(wkb) -PG_FUNCTION_INFO_V1(WKBFromLWGEOM); -Datum WKBFromLWGEOM(PG_FUNCTION_ARGS) -{ - char *lwgeom_input = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); - int size; - char *wkb = lwgeom_to_wkb(lwgeom_input+4,&size,1); // 0=XDR, 1=NDR - - char *result = palloc(size+4); - - memcpy(result+4, wkb, size); - size+=4; - memcpy(result, &size, 4); - pfree(wkb); - - PG_RETURN_POINTER(result); -} - - -//given a wkb (with 3d and 4d extension) -// create the serialized form of an equivelent LWGEOM -// size of the lwgeom form is also returned -// -// note - to actually serialize, you should put the first 4 -// bytes as size (size +4), then the results of this function. -// -// because this function modifies the wkb (to make it the -// server's endian), you should give it a copy of the wkb. -// The underlying LWGEOM will point into this WKB, so -// be extreamly careful when you free it! -// -// also, wkb should point to the 1st wkb character; NOT -// the postgresql length int32. -char *wkb_to_lwgeom(char *wkb, int SRID,int *sizeLWGEOM, int *sizeWKB) -{ - uint32 wkbtype; - char dims; - bool need_flip = requiresflip( wkb[0] ); - - LWPOINT *pt; - LWLINE *line; - LWPOLY *poly; - char *result = NULL; - int simpletype; - - if (need_flip) - flip_endian_int32(wkb+1); - - wkbtype = get_uint32(wkb+1); - dims = wkb_dims(wkbtype); - simpletype = wkb_simpletype(wkbtype); - - -// elog(NOTICE,"wkb_to_lwgeom: entry with SRID=%i, dims=%i, simpletype=%i",SRID,(int) dims, (int) simpletype); - - - - switch (simpletype) - { - case POINTTYPE: - pt = wkb_point_to_lwpoint(wkb, SRID,sizeWKB); - result = lwpoint_serialize(pt); - *sizeLWGEOM = lwpoint_findlength(result); - pfree_point(pt); - break; - case LINETYPE: - line = wkb_line_to_lwline(wkb, SRID,sizeWKB); - //printLWLINE(line); - result = lwline_serialize(line); -// elog(NOTICE,"line serialized"); - *sizeLWGEOM = lwline_findlength(result); - pfree_line(line); - break; - case POLYGONTYPE: - poly = wkb_poly_to_lwpoly(wkb, SRID,sizeWKB); -// printLWPOLY(poly); - result = lwpoly_serialize(poly); -// { -// LWPOLY *poly2 = lwpoly_deserialize(result); -// printLWPOLY(poly2); -// } - *sizeLWGEOM = lwpoly_findlength(result); - pfree_polygon(poly); - break; - case MULTIPOINTTYPE: - case MULTILINETYPE: - case MULTIPOLYGONTYPE: - case COLLECTIONTYPE: - result = wkb_multi_to_lwgeom_serialized(wkb,simpletype, sizeLWGEOM, SRID,sizeWKB); - //printBYTES(result,*size); - //printMULTI(result); - break; - } - -// elog(NOTICE,"wkb_to_lwgeom:returning"); - - - return result; -} - -//NOTE: THIS CHANGES THE ENDIAN OF THE WKB!! -// we make sure the point is correctly endianed -// and make a LWPOINT that points into it. -// wkb --> point to the endian definition of the wkb point -LWPOINT *wkb_point_to_lwpoint(char *wkb,int SRID, int *sizeWKB) -{ - uint32 wkbtype; - char dims; - char simpletype; - POINTARRAY *pa; - - bool need_flip = requiresflip( wkb[0] ); - if (need_flip) - flip_endian_int32(wkb+1); - - wkbtype = get_uint32(wkb+1); - dims = wkb_dims(wkbtype); - simpletype = wkb_simpletype(wkbtype); - - - // elog(NOTICE,"wkb_point_to_lwpoint: entry with SRID=%i, dims=%i, simpletype=%i",SRID,(int) dims, (int) simpletype); - + // convert WKB to hexized WKB string - if (simpletype != POINTTYPE) - elog(ERROR,"WKB::point parser - go wrong type"); + size_header = sprintf(sridText,"SRID=%i;",SRID); + size_result = size_header + 2*(wkb_input->size -4) + 1; //SRID text size + wkb size (+1 = NULL term) - pa = pointArray_construct(wkb+5, dims, 1); + wkb_srid_hexized = palloc(size_result); + wkb_srid_hexized[0] = 0; // empty + strcpy(wkb_srid_hexized, sridText); + loc = wkb_srid_hexized + size_header; // points to null in "SRID=#;" - - *sizeWKB = dims * 8 + 5; - return lwpoint_construct(dims, SRID, pa); -} - -LWLINE *wkb_line_to_lwline(char *wkb,int SRID, int *sizeWKB) -{ - uint32 wkbtype; - char dims; - char simpletype; - POINTARRAY *pa; - int npoints; - - bool need_flip = requiresflip( wkb[0] ); - if (need_flip) - flip_endian_int32(wkb+1); // type - - wkbtype = get_uint32(wkb+1); - dims = wkb_dims(wkbtype); - simpletype = wkb_simpletype(wkbtype); - - if (simpletype != LINETYPE) - elog(ERROR,"WKB::line parser - go wrong type"); - - if (need_flip) - flip_endian_int32(wkb+5); // npoints - - npoints = get_uint32(wkb+5); - - if (need_flip) - flipPoints(wkb+9,npoints,dims); - - pa = pointArray_construct(wkb+9, dims, npoints); - - *sizeWKB = dims * 8*npoints + 5 +4; - - return lwline_construct(dims, SRID, pa); -} - -LWPOLY *wkb_poly_to_lwpoly(char *wkb,int SRID, int *sizeWKB) -{ - uint32 wkbtype; - char dims; - char simpletype; - POINTARRAY *pa; - int npoints =0; - POINTARRAY **rings; - int nrings; - int t; - char *loc; - int ptsize =16; - int total_points=0; - - bool need_flip = requiresflip( wkb[0] ); - if (need_flip) - flip_endian_int32(wkb+1); // type - - wkbtype = get_uint32(wkb+1); - dims = wkb_dims(wkbtype); - simpletype = wkb_simpletype(wkbtype); - - if (simpletype != POLYGONTYPE) - elog(ERROR,"WKB::polygon parser - go wrong type"); - - if (need_flip) - flip_endian_int32(wkb+5); // nrings - - nrings = get_uint32(wkb+5); - - loc = wkb+9; - - //point size - - ptsize =16; - if (dims == 4) + for (t=0; t< (wkb_input->size -4); t++) { - ptsize = 32; + deparse_hex( ((unsigned char *) wkb_input)[4 + t], &loc[t*2]); } - if (dims == 3) - { - ptsize = 24; - } - - - rings = (POINTARRAY **) palloc(sizeof(POINTARRAY*) * nrings); - - for (t=0;tpoint); - char * result; - uint32 wkbtype ; - bool need_flip = requiresflip( desiredWKBEndian ); - - - // elog(NOTICE,"lwpoint_to_wkb: pa dims = %i", (int)pt->point->ndims ); - - - - *wkbsize = 1+ 4+ ptsize; //endian, type, point - - result = palloc(*wkbsize); - - result[0] = desiredWKBEndian; //endian flag - - wkbtype = constructWKBType(POINTTYPE, pt->point->ndims); - - - // elog(NOTICE,"lwpoint_to_wkb: entry with wkbtype=%i, pa dims = %i",wkbtype, (int)pt->point->ndims ); - - - - - memcpy(result+1, &wkbtype, 4); - if (need_flip) - flip_endian_int32(result+1); - - memcpy(result+5, pt->point->serialized_pointlist, pointArray_ptsize(pt->point) ); - if (need_flip) - flipPoints(result+5, 1, pt->point->ndims); - - return result; -} - -char *lwline_to_wkb(LWLINE *line, char desiredWKBEndian, int *wkbsize) +// WKBFromLWGEOM(lwgeom) --> wkb +// this will have no 'SRID=#;' +PG_FUNCTION_INFO_V1(WKBFromLWGEOM); +Datum WKBFromLWGEOM(PG_FUNCTION_ARGS) { - int ptsize = pointArray_ptsize(line->points); - char * result; - uint32 wkbtype ; - bool need_flip = requiresflip( desiredWKBEndian ); - - *wkbsize = 1+ 4+4+ line->points->npoints * ptsize; //endian, type, npoints, points - - result = palloc(*wkbsize); - - result[0] = desiredWKBEndian; //endian flag - - wkbtype = constructWKBType(LINETYPE, line->points->ndims); - memcpy(result+1, &wkbtype, 4); - if (need_flip) - flip_endian_int32(result+1); - - memcpy(result+5, &line->points->npoints, 4); - if (need_flip) - flip_endian_int32(result+5); + char *lwgeom_input = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); - memcpy(result+9, line->points->serialized_pointlist, ptsize * line->points->npoints); - if (need_flip) - flipPoints(result+9, line->points->npoints, line->points->ndims); - return result; -} + char *hexized_wkb_srid =unparse_WKB(lwgeom_input,palloc_fn2,free_fn); // SRID=#; + char *hexized_wkb; // hexized_wkb_srid w/o srid + char *result; //wkb -char *lwpoly_to_wkb(LWPOLY *poly, char desiredWKBEndian, int *wkbsize) -{ - int ptsize = pointArray_ptsize(poly->rings[0]); - char * result; - uint32 wkbtype ; - bool need_flip = requiresflip( desiredWKBEndian ); - int total_points =0; - char *loc; + int len_hexized_wkb; + int size_result; + char *semicolonLoc; int t; +//elog(NOTICE, "in WKBFromLWGEOM with WKB = '%s'", hexized_wkb_srid); - for (t=0;tnrings;t++) - { - total_points += poly->rings[t]->npoints; - } - - *wkbsize = 1+ 4+ 4+total_points * ptsize + 4* poly->nrings; //endian, type, npoints, all points, ring lengths - -//elog(NOTICE,"lwpoly_to_wkb:: a polygon with %i rings, total of %i points, wkbsize =%i",poly->nrings, total_points, *wkbsize); - - - result = palloc(*wkbsize); + hexized_wkb = hexized_wkb_srid; + semicolonLoc = strchr(hexized_wkb_srid,';'); - result[0] = desiredWKBEndian; //endian flag - wkbtype = constructWKBType(POLYGONTYPE, poly->ndims); + if (semicolonLoc != NULL) + { + hexized_wkb = (semicolonLoc+1); + } - memcpy(result+1, &wkbtype, 4); // type - if (need_flip) - flip_endian_int32(result+1); +//elog(NOTICE, "in WKBFromLWGEOM with WKB (with no 'SRID=#;' = '%s'", hexized_wkb); - memcpy(result+5, &poly->nrings, 4); // nrings - if (need_flip) - flip_endian_int32(result+5); - - loc = result+9; - - for (t=0;tnrings;t++) - { - int npoints =poly->rings[t]->npoints; - memcpy( loc, &npoints, 4); // npoints - if (need_flip) - flip_endian_int32(loc); - memcpy(loc+4, poly->rings[t]->serialized_pointlist, ptsize * npoints); - if (need_flip) - flipPoints(loc+4, npoints, poly->ndims); - loc += 4+ ptsize * npoints; - } -//printBYTES(result, *wkbsize); - return result; -} - - -//given an LWGEOM thats a GC or MULTI*, return the corresponding WKB -char *serialized_multi_to_wkb(char *serialized_form,char desiredWKBEndian,int *wkblength) -{ - char *result; - uint32 wkbtype; - int t; - LWGEOM_INSPECTED *inspected; - int total_size_sub_objs = 0; //wkb - int total_size; - int *sub_obj_sizes; //wkb - char **sub_objs; //wkb - bool need_flip = requiresflip( desiredWKBEndian ); - char *loc; + len_hexized_wkb = strlen(hexized_wkb); + size_result = len_hexized_wkb/2 + 4; + result = palloc(size_result); - wkbtype = constructWKBType(lwgeom_getType(serialized_form[0]), lwgeom_ndims(serialized_form[0]) ); + memcpy(result, &size_result,4); // size header -//elog(NOTICE,"serialized_multi_to_wkb::wkbtype = %i", wkbtype); - inspected = lwgeom_inspect(serialized_form); - sub_obj_sizes = (int *) palloc(sizeof(int *) * inspected->ngeometries); - sub_objs = palloc(sizeof(char *) * inspected->ngeometries); - - - for ( t=0;tngeometries;t++) - { - char *serial_sub = inspected->sub_geoms[t]; - sub_objs[t] = lwgeom_to_wkb(serial_sub,&sub_obj_sizes[t], desiredWKBEndian); - total_size_sub_objs += sub_obj_sizes[t]; - //elog(NOTICE,"serialized_multi_to_wkb:: sub geom %i has size %i (wkb)",t,sub_obj_sizes[t]); - } - - total_size = 1 + 4+ 4 + total_size_sub_objs;// endian + wkbtype + ngeoms + geoms - result = palloc(total_size); - -//elog(NOTICE,"serialized_multi_to_wkb::total size of wkb = %i", total_size); - - result[0] = desiredWKBEndian; - memcpy(result+1, &wkbtype, 4); - if (need_flip) - flip_endian_int32(result+1); - - memcpy(result+5, &inspected->ngeometries, 4); - if (need_flip) - flip_endian_int32(result+5); - - loc = result+9; - for ( t=0;tngeometries;t++) - { - memcpy(loc, sub_objs[t], sub_obj_sizes[t]); - loc += sub_obj_sizes[t]; - } + // have a hexized string, want to make it binary - // clean up memory - for ( t=0;tngeometries;t++) + for (t=0; t< (len_hexized_wkb/2); t++) { - pfree(sub_objs[t]); + ((unsigned char *) result +4)[t] = parse_hex( hexized_wkb + (t*2) ); } - pfree(sub_obj_sizes); - pfree(sub_objs); - - pfree_inspected(inspected); - - *wkblength = total_size; - -// elog(NOTICE,"serialized_multi_to_wkb::returning"); - return result; -} - - - -bool requiresflip(char WKBendianflag) -{ - if (WKBendianflag == 1) // NDR - return ( BYTE_ORDER != LITTLE_ENDIAN ); - if (WKBendianflag == 0) // xDR - return ( BYTE_ORDER != BIG_ENDIAN ); - elog(ERROR,"WKB: endian flag isnt a 0 or 1. WKB screwed?"); - return 0; //shouldnt get here -} - -void swap_char(char *a,char *b) -{ - char c; - - c = *a; - *a=*b; - *b=c; -} - - -void flip_endian_double(char *d) -{ - swap_char(d+7, d); - swap_char(d+6, d+1); - swap_char(d+5, d+2); - swap_char(d+4, d+3); -} - -void flip_endian_int32(char *i) -{ - swap_char (i+3,i); - swap_char (i+2,i+1); -} - -// given a wkb type -// return twoDims, threeDims, or fourDims -char wkb_dims(uint32 type) -{ - if (type & 0x80000000) - return 3; - if (type & 0x40000000) - return 4; - return 2; -} + pfree(hexized_wkb_srid); -char wkb_simpletype (uint32 type) -{ - return type & 0x0F; + PG_RETURN_POINTER(result); } -void flipPoints(char *pts, int npoints, char dims) -{ - int t; - char *loc = pts; - int size =16; - if (dims == 4) - { - size = 32; - } - if (dims == 3) - { - size = 24; - } - for (t=0;t, , "LINESTRING") -// --> 'LINESTRING(1 2 3,4 5 6)' -// if you dont want a header, then send in null or an empty string -char *renderPOINTARRAY(POINTARRAY *array, int *slen, char *header) -{ - STRBUFF *buff ; - char aPointStr[400]; // big enough for a 4d point in all representations! - int t; - POINT2D pt2d; - POINT3D pt3d; - POINT4D pt4d; - char *result; - int len; - int head_length=0; - - if (header != NULL) - { - head_length = strlen(header); - // guess size a 10 chars/ordinate - buff = new_strBUFF(array->ndims * array->npoints * 10 + head_length); - catenate(buff, header, head_length); - } - else // no header - { - // guess size a 10 chars/ordinate - buff = new_strBUFF(array->ndims * array->npoints * 10); - } - - catenate(buff,"(",1); - - //optimize loop for speed - if (array->ndims == 4) - { - for (t=0;tnpoints;t++) - { - getPoint4d_p(array, t,(char *) &pt4d); - len = sprintf(aPointStr,"%.15g %.15g %.15g %.15g",pt4d.x,pt4d.y,pt4d.z,pt4d.m); - catenate(buff,aPointStr,len); - if (t!= (array->npoints-1)) // not the last one in the list - catenate(buff,",",1); - } - } - if (array->ndims == 3) - { - for (t=0;tnpoints;t++) - { - getPoint3d_p(array, t,(char *) &pt3d); - len = sprintf(aPointStr,"%.15g %.15g %.15g",pt3d.x,pt3d.y,pt3d.z); - catenate(buff,aPointStr,len); - if (t!= (array->npoints-1)) // not the last one in the list - catenate(buff,",",1); - } - } - if (array->ndims == 2) - { - for (t=0;tnpoints;t++) - { - getPoint2d_p(array, t,(char *) &pt2d); - len = sprintf(aPointStr,"%.15g %.15g",pt2d.x,pt2d.y); - catenate(buff,aPointStr,len); - if (t!= (array->npoints-1)) // not the last one in the list - catenate(buff,",",1); - } - } +void *palloc_fn2(size_t size) +{ + void * result; - catenate(buff,")",1); - *slen = buff->length; - result = to_CString(buff); - delete_StrBUFF(buff); + result = palloc(size); +// elog(NOTICE," palloc(%i) at %p",size,result); return result; } - -// makes a 'LINESTRING(1 2, 3 4)' (wantHeader = true) -// makes a '(1 2, 3 4)' (wantHeader = false) -// final length of the string (excluding null-termination) -// is returned in 'slen' for easy manipulation (strlen(result) == *slen) -char *renderLWLINE(LWLINE *line, bool wantHeader, int *slen) +void free_fn(void *ptr) { - if (wantHeader) - { - return renderPOINTARRAY( line->points, slen, "LINESTRING"); - } - else - { - return renderPOINTARRAY( line->points, slen, NULL); - } -} -// makes a 'POINT(1 2)' (wantHeader = true) -// makes a '(1 2)' (wantHeader = false) -// final length of the string (excluding null-termination) -// is returned in 'slen' for easy manipulation (strlen(result) == *slen) -char *renderLWPOINT(LWPOINT *pt, bool wantHeader, int *slen) -{ - if (wantHeader) - { - return renderPOINTARRAY( pt->point, slen, "POINT"); - } - else - { - return renderPOINTARRAY( pt->point, slen, NULL); - } +// elog(NOTICE," pfree(%p)", ptr); + pfree(ptr); } -// makes a 'POLYGON((),())' (wantHeader = true) -// makes a '((),())' (wantHeader = false) -// example:: -// 'POLYGON((0 0.1,0.2 10.3,10.4 10.5,10.7 0.6,0 0.1))' (1 ring) -// 'POLYGON((0 0.1,0.2 10.3,10.4 10.5,10.7 0.6,0 0.1),(2 2,2 3,3 3,3 2,2 2))' (2 rings) -// final length of the string (excluding null-termination) -// is returned in 'slen' for easy manipulation (strlen(result) == *slen) -char *renderLWPOLY(LWPOLY *poly, bool wantHeader, int *slen) + + + + +PG_FUNCTION_INFO_V1(LWGEOM_asText); +Datum LWGEOM_asText(PG_FUNCTION_ARGS) { - STRBUFF *result_buff; - char *result; - int total_points =0; - int t; + char *lwgeom = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + char *result_cstring = unparse_WKT(lwgeom,palloc_fn2,free_fn); + int len; + char *result,*loc_wkt; + char *semicolonLoc; - for (t=0;tnrings;t++) - { - total_points += poly->rings[t]->npoints; - } - // guess at size - result_buff = new_strBUFF(poly->ndims * total_points * 10 ); + semicolonLoc = strchr(result_cstring,';'); + //loc points to start of wkt + if (semicolonLoc == NULL) + loc_wkt = result_cstring; + else + loc_wkt = semicolonLoc +1; - if (wantHeader) - catenate(result_buff, "POLYGON(",8); - else - catenate(result_buff, "(",1); - for (t=0;tnrings;t++) - { - char *aRingStr = renderPOINTARRAY( poly->rings[t], slen, NULL); - catenate(result_buff,aRingStr,*slen); - pfree(aRingStr); - if (t!= (poly->nrings-1) ) // not the last one - catenate(result_buff,",",1); - } + len = strlen(loc_wkt)+4; + result = palloc(len); + memcpy(result, &len, 4); - catenate(result_buff, ")",1); + memcpy(result+4,loc_wkt, len-4); - *slen = result_buff->length; - result = to_CString(result_buff); - delete_StrBUFF(result_buff); - return result; + pfree(result_cstring); + PG_RETURN_POINTER(result); } -// NOTE: (!! LOOK !!) -// 'MULTIPOINT(0 0,1 1,2 2)' --NOT--- 'MULTIPOINT((0 0),(1 1),(2 2))' -char *renderMULTIPOINT(LWGEOM_INSPECTED *inspected, int *slen) -{ - STRBUFF *buff ; - char aPointStr[400]; // big enough for a 4d point in all representations! - int t; - POINT2D pt2d; - POINT3D pt3d; - POINT4D pt4d; - char *result; - int len; - - // guess size a 10 chars/ordinate - buff = new_strBUFF(4 * inspected->ngeometries * 10); +// puts a bbox inside the geometry +PG_FUNCTION_INFO_V1(LWGEOM_addBBOX); +Datum LWGEOM_addBBOX(PG_FUNCTION_ARGS) +{ + char *lwgeom = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); + char *result; + BOX2DFLOAT4 box; + unsigned char old_type; + int size; - catenate(buff,"MULTIPOINT(",11); +//elog(NOTICE,"in LWGEOM_addBBOX"); - for (t=0;tngeometries;t++) - { - LWPOINT *pt = lwgeom_getpoint_inspected(inspected, t); - if (pt->ndims == 4) - { - getPoint4d_p(pt->point,0,(char *) &pt4d); - len = sprintf(aPointStr,"%.15g %.15g %.15g %.15g",pt4d.x,pt4d.y,pt4d.z,pt4d.m); - catenate(buff,aPointStr,len); - if (t!= (inspected->ngeometries-1)) // not the last one in the list - catenate(buff,",",1); - } - if (pt->ndims == 3) - { - getPoint3d_p(pt->point,0,(char *) &pt3d); - len = sprintf(aPointStr,"%.15g %.15g %.15g",pt3d.x,pt3d.y,pt3d.z); - catenate(buff,aPointStr,len); - if (t!= (inspected->ngeometries-1)) // not the last one in the list - catenate(buff,",",1); - } - if (pt->ndims == 2) + if (lwgeom_hasBBOX( (unsigned char) lwgeom[0] ) ) { - getPoint2d_p(pt->point,0,(char *) &pt2d); - len = sprintf(aPointStr,"%.15g %.15g",pt2d.x,pt2d.y); - catenate(buff,aPointStr,len); - if (t!= (inspected->ngeometries-1)) // not the last one in the list - catenate(buff,",",1); +//elog(NOTICE,"LWGEOM_addBBOX -- already has bbox"); + // easy - already has one. Just copy! + result = palloc ( *((int *) lwgeom)); + memcpy(result,lwgeom, *((int *) lwgeom)); + PG_RETURN_POINTER(result); } - pfree_point(pt); - } - catenate(buff,")",1); - *slen = buff->length; - result = to_CString(buff); - delete_StrBUFF(buff); - return result; -} +//elog(NOTICE,"LWGEOM_addBBOX -- giving it a bbox"); -char *renderMULTILINE(LWGEOM_INSPECTED *inspected, int *slen) -{ - STRBUFF *buff ; - int t; - char *result; - int len; + //construct new one + box = getbox2d(lwgeom+4); + old_type = (unsigned char) lwgeom[4]; - // guess size a 10 chars/ordinate and 10 points/line -- total guess - buff = new_strBUFF(4* inspected->ngeometries * 10 * 10); + size = *((int *) lwgeom) +sizeof(BOX2DFLOAT4); + result = palloc ( size );// 16 for bbox2d - catenate(buff,"MULTILINESTRING(",16); + memcpy(result,&size,4); // size + result[4] = lwgeom_makeType_full( lwgeom_ndims(old_type), lwgeom_hasSRID(old_type), lwgeom_getType(old_type), 1); + memcpy(result+5, &box, sizeof(BOX2DFLOAT4)); // copy in bbox + memcpy(result+5+sizeof(BOX2DFLOAT4), lwgeom+5, *((int *) lwgeom) -5); // everything but the type and length - for (t=0;tngeometries;t++) - { - LWLINE *line = lwgeom_getline_inspected(inspected, t); - char *single_line = renderLWLINE(line,false, &len); - catenate(buff, single_line, len); - pfree(single_line); - pfree_line(line); - if (t != (inspected->ngeometries-1) ) - catenate(buff,",",1); - } + PG_RETURN_POINTER(result); +} - catenate(buff,")",1); - *slen = buff->length; - result = to_CString(buff); - delete_StrBUFF(buff); - return result; -} -char *renderMULTIPOLY(LWGEOM_INSPECTED *inspected, int *slen) +void elog_ERROR(const char* string) { - STRBUFF *buff ; - int t; - char *result; - int len; + elog(ERROR,string); +} +void *palloc_fn(size_t size) +{ + void * result; + result = palloc(size); + return result; +} - // guess size a 10 chars/ordinate and 20 points/polygon -- total guess - buff = new_strBUFF(4 * inspected->ngeometries * 10 * 20); +PG_FUNCTION_INFO_V1(parse_WKT_lwgeom); +Datum parse_WKT_lwgeom(PG_FUNCTION_ARGS) +{ + const char *wkt_input = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); // text + char *serialized_form; //with length + char *wkt; + int wkt_size ; - catenate(buff,"MULTIPOLYGON(",13); - for (t=0;tngeometries;t++) - { - LWPOLY *poly = lwgeom_getpoly_inspected(inspected, t); - char *single_poly = renderLWPOLY(poly,false, &len); - catenate(buff, single_poly, len); - pfree(single_poly); - pfree_polygon(poly); - if (t != (inspected->ngeometries-1) ) - catenate(buff,",",1); - } + wkt_size = (*(int*) wkt_input) -4; // actual letters - catenate(buff,")",1); - *slen = buff->length; - result = to_CString(buff); - delete_StrBUFF(buff); + wkt = palloc( wkt_size+1); //+1 for null + memcpy(wkt, wkt_input+4, wkt_size ); + wkt[wkt_size] = 0; // null term - return result; -} +//elog(NOTICE,"in parse_WKT_lwgeom"); +//elog(NOTICE,"in parse_WKT_lwgeom with input: '%s'",wkt); -char *renderGC(LWGEOM_INSPECTED *inspected, int *slen) -{ - STRBUFF *buff ; - int t; - char *result; - int len; - // guess size a 10 chars/ordinate and 20 points/object -- total guess - buff = new_strBUFF(4 * inspected->ngeometries * 10 * 20); + //serialized_form = parse_WKT((const char *)wkt,(allocator) malloc, (report_error)elog_ERROR); + serialized_form = parse_lwg((const char *)wkt,(allocator) palloc_fn, (report_error)elog_ERROR); +//elog(NOTICE,"parse_WKT_lwgeom:: finished parse"); + pfree (wkt); + if (serialized_form == NULL) + elog(ERROR,"parse_WKT:: couldnt parse!"); - catenate(buff,"GEOMETRYCOLLECTION(",19); - for (t=0;tngeometries;t++) - { - char *single_obj = lwgeom_getsubgeometry_inspected(inspected,t); - LWGEOM_INSPECTED *inspected_sub = lwgeom_inspect(single_obj); - char *single_obj_str = renderMULTI(inspected_sub, &len); - pfree_inspected(inspected_sub); - catenate(buff, single_obj_str, len); - pfree(single_obj_str); + // printBYTES(serialized_form+4,*((int*) serialized_form)-4); - if (t != (inspected->ngeometries-1) ) - catenate(buff,",",1); - } + // result = palloc( (*((int*) serialized_form))); + // memcpy(result, serialized_form, *((int*) serialized_form)); + // free(serialized_form); - catenate(buff,")",1); - *slen = buff->length; - result = to_CString(buff); - delete_StrBUFF(buff); + // PG_RETURN_POINTER(result); + //PG_RETURN_NULL(); - return result; + PG_RETURN_POINTER(serialized_form); } -// makes things like: -// 'MULTILINESTRING((1 2,3 4,5 6),(7 8,9 10))' -// 'MULTIPOLYGON(((0 0.1,0.2 10.3,10.4 10.5,10.7 0.6,0 0.1)),((0 0.1,0.2 10.3,10.4 10.5,10.7 0.6,0 0.1)' -// 'GEOMETRYCOLLECTION(LINESTRING(5 6 -55,7 8 -22),LINESTRING(1 2 -1,3 4 -2))' -// -// NOTE: (!! LOOK !!) -// 'MULTIPOINT(0 0,1 1,2 2)' --NOT--- 'MULTIPOINT((0 0),(1 1),(2 2))' -// -// handles MULTI* inside GCs -// -// final length of the string (excluding null-termination) -// is returned in 'slen' for easy manipulation (strlen(result) == *slen) -char *renderMULTI(LWGEOM_INSPECTED *inspected, int *slen) -{ - LWPOINT *pt; - LWLINE *line; - LWPOLY *poly; - char *result; +char *parse_lwgeom_wkt(char *wkt_input) +{ + char *serialized_form = parse_lwg((const char *)wkt_input,(allocator) palloc_fn, (report_error)elog_ERROR); - switch(lwgeom_getType(inspected->type)) - { - // shouldnt call this with a singular type, but we handle it here anyways - case POINTTYPE: - pt = lwgeom_getpoint_inspected(inspected,0); - result = renderLWPOINT(pt, true, slen); - pfree_point(pt); - return result; - break; //redundant - case LINETYPE: - line = lwgeom_getline_inspected(inspected,0); - result = renderLWLINE(line, true, slen); - pfree_line(line); - return result; - break; //redundant - case POLYGONTYPE: - poly = lwgeom_getpoly_inspected(inspected,0); - result = renderLWPOLY(poly, true, slen); - pfree_polygon(poly); - return result; - break; //redundant - case MULTIPOINTTYPE: - //this is the special case 'MULTIPOINT(0 0,1 1,2 2,3 3)' - return renderMULTIPOINT(inspected, slen); // special case!! - break; //redundant - case MULTILINETYPE: - return renderMULTILINE(inspected, slen); - break; //redundant - case MULTIPOLYGONTYPE: - return renderMULTIPOLY(inspected, slen); - break; //redundant - case COLLECTIONTYPE: - return renderGC(inspected, slen); // special case -- could recurse - break; //redundant - } - elog(ERROR,"renderMULTI:: couldnt determine geometry type"); - return NULL; -} +//elog(NOTICE,"parse_lwgeom_wkt with %s",wkt_input); + if (serialized_form == NULL) + elog(ERROR,"parse_WKT:: couldnt parse!"); + return serialized_form; -PG_FUNCTION_INFO_V1(LWGEOM_asText); -Datum LWGEOM_asText(PG_FUNCTION_ARGS) -{ - char *lwgeom = (char *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0)); - char *wkt; - char *result; - int len,len_total; - int SRID; - LWGEOM_INSPECTED *inspected = lwgeom_inspect(lwgeom+4); - char SRIDtext[100]; - int len_SRIDtext; + // result = palloc( (*((int*) serialized_form))); + // memcpy(result, serialized_form, *((int*) serialized_form)); + // free(serialized_form); - wkt = renderMULTI(inspected, &len); - elog(NOTICE," wkt = %s", wkt); + // return result; +} - SRID = inspected->SRID; - len_SRIDtext = sprintf(SRIDtext,"SRID=%i;",SRID); - elog(NOTICE," srid = %i", SRID); - len_total = len + len_SRIDtext+ 1 ; // 1= null term - result = palloc(len_total);//extra space for SRID - memcpy(result, SRIDtext, len_SRIDtext); - memcpy(result+len_SRIDtext, wkt, len); - result[len_total-1] = 0;//ensure null-terminated - pfree(wkt); - PG_RETURN_CSTRING(result); -} diff --git a/lwgeom/lwgparse.c b/lwgeom/lwgparse.c new file mode 100644 index 000000000..6bd27dcf2 --- /dev/null +++ b/lwgeom/lwgparse.c @@ -0,0 +1,715 @@ +/* + * Written by Ralph Mason ralph.masontelogis.com + * + * Copyright Telogis 2004 + * www.telogis.com + * + */ +#include "wktparse.h" +#include + +//To get byte order +#include +#include +#include +#include + +typedef unsigned long int4; + +int srid=-1; + +static int ferror; +static allocator local_malloc; +static report_error error_func; + +void set_srid(double d_srid){ + if ( d_srid >= 0 ) + d_srid+=0.1; + else + d_srid-=0.1; + + + srid=(int)(d_srid+0.1); +} + +typedef struct tag_tuple tuple; + +struct tag_outputstate{ + byte* pos; +}; + +typedef struct tag_outputstate output_state; + +typedef void (*output_func)(tuple* this,output_state* out); + +struct tag_tuple{ + output_func of; + union { + double points[4]; + int4 pointsi[4]; + + struct{ + tuple* stack_next; + int type; + int num; + int size_here; + }; + }; + tuple* next; +}; + +struct { + int type; + int flags; + int srid; + int ndims; + /* create integer version */ + int lwgi; + /* input is integer (wkb only)*/ + int from_lwgi; + + int4 alloc_size; + + /* + linked list of all tuples + */ + tuple* first; + tuple* last; + + /* + stack of open geometries + */ + tuple* stack; + +} the_geom; + +tuple* free_list=0; + +tuple* alloc_tuple(output_func of,size_t size){ + tuple* ret = free_list; + + if ( ! ret ){ + int toalloc = (ALLOC_CHUNKS /sizeof(tuple)); + ret = malloc( toalloc *sizeof(tuple) ); + + free_list = ret; + + while(--toalloc){ + ret->next = ret+1; + ret++; + } + + ret->next = NULL; + + return alloc_tuple(of,size); + } + + free_list = ret->next; + ret->of = of; + ret->next = NULL; + + if ( the_geom.last ) { + the_geom.last->next = ret; + the_geom.last = ret; + } + else { + the_geom.first = the_geom.last = ret; + } + + the_geom.alloc_size += size; + + return ret; +} + +void error(const char* err){ + error_func(err); + ferror=1; +} + +void free_tuple(tuple* to_free){ + + tuple* list_end = to_free; + + if( !to_free) + return; + + while(list_end->next){ + list_end=list_end->next; + } + + list_end->next = free_list; + free_list = to_free; +} + +void inc_num(void){ + the_geom.stack->num++; +} + +/* + Allocate a 'counting' tuple +*/ +void alloc_stack_tuple(int type,output_func of,size_t size){ + tuple* p; + inc_num(); + + p = alloc_tuple(of,size); + p->stack_next = the_geom.stack; + p->type = type; + p->size_here = the_geom.alloc_size; + p->num = 0; + the_geom.stack = p; +} + +void pop(void){ + the_geom.stack = the_geom.stack->stack_next; +} + +int minpoints; + +void popc(void){ + if ( the_geom.stack->num < minpoints){ + error("geometry requires more points"); + } + the_geom.stack = the_geom.stack->stack_next; +} + + +void check_dims(int num){ + + if( the_geom.ndims != num){ + if (the_geom.ndims) { + error("Can not mix dimentionality in a geometry"); + } + else{ + the_geom.ndims = num; + } + } +} + +#define WRITE_INT4_REAL(x,y) { memcpy(x->pos,&y,4); x->pos+=4;} +#define WRITE_INT4_REAL_MULTIPLE(x,y,z) { memcpy(x->pos,&y,z*4); x->pos+=(z*4);} + +/* + we can shrink ints to one byte if they are less than 127 + by setting the extra bit. Because if the different byte + ordering possibilities we need to set the lsb on little + endian to show a packed one and the msb on a big endian + machine +*/ +#ifdef SHRINK_INTS +void WRITE_INT4(output_state * out,int4 val){ + if ( val <= 0x7f ){ + if ( BYTE_ORDER == LITTLE_ENDIAN ){ + val = (val<<1) | 1; + } + else{ + val |=0x80; + } + + *out->pos++ = (byte)val; + the_geom.alloc_size-=3; + } + else{ + if ( BYTE_ORDER == LITTLE_ENDIAN ){ + val <<=1; + } + WRITE_INT4_REAL(out,val); + } +} +#else +#define WRITE_INT4 WRITE_INT4_REAL +#endif + + +void WRITE_DOUBLES(output_state* out,double* points, int cnt){ + if ( the_geom.lwgi){ + int4 vals[4]; + int i; + + for(i=0; ipos,vals,sizeof(int4)*cnt); + out->pos+=sizeof(int4)*cnt; + } + else{ + memcpy(out->pos,points,sizeof(double)*cnt); + out->pos+=sizeof(double)*cnt; + } + +} + +void write_size(tuple* this,output_state* out){ + WRITE_INT4_REAL(out,the_geom.alloc_size); +} + +void alloc_lwgeom(int srid){ + the_geom.srid=srid; + the_geom.alloc_size=0; + the_geom.stack=NULL; + the_geom.ndims=0; + + //Free if used already + if ( the_geom.first ){ + free_tuple(the_geom.first); + the_geom.first=the_geom.last=NULL; + } + + if ( srid != -1 ){ + the_geom.alloc_size+=4; + } + + the_geom.stack = alloc_tuple(write_size,4); +} + + +void write_point_2(tuple* this,output_state* out){ + WRITE_DOUBLES(out,this->points,2); +} + +void write_point_3(tuple* this,output_state* out){ + WRITE_DOUBLES(out,this->points,3); +} +void write_point_4(tuple* this,output_state* out){ + WRITE_DOUBLES(out,this->points,4); +} + +void write_point_2i(tuple* this,output_state* out){ + WRITE_INT4_REAL_MULTIPLE(out,this->points,2); +} + +void write_point_3i(tuple* this,output_state* out){ + WRITE_INT4_REAL_MULTIPLE(out,this->points,3); +} +void write_point_4i(tuple* this,output_state* out){ + WRITE_INT4_REAL_MULTIPLE(out,this->points,4); +} + +void alloc_point_2d(double x,double y){ + tuple* p = alloc_tuple(write_point_2,the_geom.lwgi?8:16); + p->points[0] = x; + p->points[1] = y; + inc_num(); + check_dims(2); +} + +void alloc_point_3d(double x,double y,double z){ + tuple* p = alloc_tuple(write_point_3,the_geom.lwgi?12:24); + p->points[0] = x; + p->points[1] = y; + p->points[2] = z; + inc_num(); + check_dims(3); +} + +void alloc_point_4d(double x,double y,double z,double m){ + tuple* p = alloc_tuple(write_point_4,the_geom.lwgi?16:32); + p->points[0] = x; + p->points[1] = y; + p->points[2] = z; + p->points[3] = m; + inc_num(); + check_dims(4); +} + +void write_type(tuple* this,output_state* out){ + byte type=0; + + //Empty handler - switch back + if ( this->type == 0xff ) + this->type = COLLECTIONTYPE; + + type |= this->type; + + if (the_geom.ndims) //Support empty + type |= ((the_geom.ndims-2) << 4); + + if ( the_geom.srid != -1 ){ + type |= 0x40; + } + + *(out->pos)=type; + out->pos++; + + if ( the_geom.srid != -1 ){ + //Only the first geometry will have a srid attached + WRITE_INT4(out,the_geom.srid); + the_geom.srid = -1; + } +} + +void write_count(tuple* this,output_state* out){ + int num = this->num; + WRITE_INT4(out,num); +} + +void write_type_count(tuple* this,output_state* out){ + write_type(this,out); + write_count(this,out); +} + +void alloc_point(void){ + if( the_geom.lwgi) + alloc_stack_tuple(POINTTYPEI,write_type,1); + else + alloc_stack_tuple(POINTTYPE,write_type,1); + + minpoints=1; +} + +void alloc_linestring(void){ + if( the_geom.lwgi) + alloc_stack_tuple(LINETYPEI,write_type,1); + else + alloc_stack_tuple(LINETYPE,write_type,1); + + minpoints=2; +} + +void alloc_polygon(void){ + if( the_geom.lwgi) + alloc_stack_tuple(POLYGONTYPEI, write_type,1); + else + alloc_stack_tuple(POLYGONTYPE, write_type,1); + + minpoints=3; +} + +void alloc_multipoint(void){ + alloc_stack_tuple(MULTIPOINTTYPE,write_type,1); +} + +void alloc_multilinestring(void){ + alloc_stack_tuple(MULTILINETYPE,write_type,1); +} + +void alloc_multipolygon(void){ + alloc_stack_tuple(MULTIPOLYGONTYPE,write_type,1); +} + +void alloc_geomertycollection(void){ + alloc_stack_tuple(COLLECTIONTYPE,write_type,1); +} + +void alloc_counter(void){ + alloc_stack_tuple(0,write_count,4); +} + +void alloc_empty(){ + tuple* st = the_geom.stack; + //Find the last geometry + while(st->type == 0){ + st =st->stack_next; + } + + //Reclaim memory + free_tuple(st->next); + + //Put an empty geometry collection on the top of the stack + st->next=NULL; + the_geom.stack=st; + the_geom.alloc_size=st->size_here; + + //Mark as a empty stop + if (st->type != 0xFF){ + st->type=0xFF; + st->of = write_type_count; + the_geom.alloc_size+=4; + st->size_here=the_geom.alloc_size; + } + + st->num=0; + +} + +byte* make_lwgeom(){ + byte* out_c; + output_state out; + tuple* cur; + out_c = (byte*)local_malloc(the_geom.alloc_size); + out.pos = out_c; + cur = the_geom.first ; + + while(cur){ + cur->of(cur,&out); + cur=cur->next; + } + + //if ints shrink then we need to rewrite the size smaller + out.pos = out_c; + write_size(NULL,&out); + + return out_c; +} + +int lwg_parse_yyerror(char* s){ + error("parse error - invalid geometry"); + return 1; +} + +/* + Table below generated using this ruby. + + a=(0..0xff).to_a.collect{|x|0xff};('0'..'9').each{|x|a[x[0]]=x[0]-'0'[0]} + ('a'..'f').each{|x|v=x[0]-'a'[0]+10;a[x[0]]=a[x.upcase[0]]=v} + puts '{'+a.join(",")+'}' + + */ +static const byte to_hex[] = { + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 0,1,2,3,4,5,6,7,8,9,255,255,255,255,255,255,255,10,11,12,13,14, + 15,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,10,11,12,13,14,15,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, + 255,255,255,255,255,255,255,255}; + +byte strhex_readbyte(const char* in){ + if ( *in == 0 ){ + if ( ! ferror){ + error("invalid wkb"); + } + return 0; + } + return to_hex[(int)*in]<<4 | to_hex[(int)*(in+1)]; +} + +byte read_wkb_byte(const char** in){ + byte ret = strhex_readbyte(*in); + (*in)+=2; + return ret; +} + +int swap_order; + +int4 read_wkb_int(const char** in){ + int4 ret; + byte* pb = (byte*) &ret; + int i; + + if( ! swap_order ){ + for(i=0;i<4;i++){ + pb[i]=read_wkb_byte(in); + } + } + else{ + for(i=3;i<=0;i--){ + pb[i]=read_wkb_byte(in); + } + + } + + return ret; +} + +double read_wbk_double(const char** in,int convert_from_int){ + double ret; + byte* pb = (byte*) &ret; + int i; + + if ( ! convert_from_int){ + if( !swap_order ){ + for(i=0;i<8;i++){ + pb[i]=read_wkb_byte(in); + } + } + else{ + for(i=7;i<=0;i--){ + pb[i]=read_wkb_byte(in); + } + } + return ret; + }else{ + ret = read_wkb_int(in); + ret /= 0xb60b60; + return ret-180.0; + } +} + +void read_wkb_point(const char** b){ + int i; + tuple* p; + + if(the_geom.lwgi && the_geom.from_lwgi ){ + //Special case - reading from lwgi to lwgi + //we don't want to go via doubles in the middle. + switch(the_geom.ndims){ + case 2: p=alloc_tuple(write_point_2i,8); break; + case 3: p=alloc_tuple(write_point_3i,12); break; + case 4: p=alloc_tuple(write_point_4i,16); break; + } + + for(i=0;ipointsi[i]=read_wkb_int(b); + } + } + else{ + int mul = the_geom.lwgi ? 1 : 2; + + switch(the_geom.ndims){ + case 2: p=alloc_tuple(write_point_2,8*mul); break; + case 3: p=alloc_tuple(write_point_3,12*mul); break; + case 4: p=alloc_tuple(write_point_4,16*mul); break; + } + + for(i=0;ipoints[i]=read_wbk_double(b,the_geom.from_lwgi); + } + } + + inc_num(); + check_dims(the_geom.ndims); +} + +typedef void (*read_col_func)(const char**f); + +void read_collection(const char** b,read_col_func f){ + int4 cnt=read_wkb_int(b); + alloc_counter(); + + while(cnt--){ + if ( ferror ) return; + f(b); + } + + pop(); +} + +void read_collection2(const char** b){ + return read_collection(b,read_wkb_point); +} + +void parse_wkb(const char** b){ + int4 type; + byte xdr = read_wkb_byte(b); + swap_order=0; + + if ( xdr == 0x01 ){ + if ( BYTE_ORDER != LITTLE_ENDIAN ) + swap_order=1; + } + else if ( xdr == 0x00 ){ + if ( BYTE_ORDER == LITTLE_ENDIAN ) + swap_order=1; + } + + type = read_wkb_int(b); + + //quick exit on error + if ( ferror ) return; + + if (type & 0x80000000) + the_geom.ndims=3; + else if (type & 0x40000000) + the_geom.ndims=4; + else + the_geom.ndims=2; + + type &=0x0f; + + if ( the_geom.lwgi ){ + + if ( type<= POLYGONTYPE ) + alloc_stack_tuple(type +9,write_type,1); + else + alloc_stack_tuple(type,write_type,1); + } + else{ + //If we are writing lwg and are reading wbki + int4 towrite=type; + if (towrite > COLLECTIONTYPE ){ + towrite-=9; + } + alloc_stack_tuple(towrite,write_type,1); + } + + switch(type ){ + case POINTTYPE: + read_wkb_point(b); + break; + + case LINETYPE: + read_collection(b,read_wkb_point); + break; + + case POLYGONTYPE: + read_collection(b,read_collection2); + break; + + case MULTIPOINTTYPE: + case MULTILINETYPE: + case MULTIPOLYGONTYPE: + case COLLECTIONTYPE: + read_collection(b,parse_wkb); + break; + + case POINTTYPEI: + the_geom.from_lwgi=1; + read_wkb_point(b); + break; + + case LINETYPEI: + the_geom.from_lwgi=1; + read_collection(b,read_wkb_point); + break; + + case POLYGONTYPEI: + the_geom.from_lwgi=1; + read_collection(b,read_collection2); + break; + + default: + error("Invalid type in wbk"); + } + + the_geom.from_lwgi=0; + + pop(); +} + + +void alloc_wkb(const char* parser){ + parse_wkb(&parser); +} + +/* + Parse a string and return a LW_GEOM +*/ +byte* parse_it(const char* geometry,allocator allocfunc,report_error errfunc){ + + local_malloc = allocfunc; + error_func=errfunc; + + ferror = 0; + + init_parser(geometry); + lwg_parse_yyparse(); + close_parser(); + + if (ferror) + return NULL; + + return make_lwgeom(); +} + +byte* parse_lwg(const char* geometry,allocator allocfunc,report_error errfunc){ + the_geom.lwgi=0; + return parse_it(geometry,allocfunc,errfunc); +} + +byte* parse_lwgi(const char* geometry,allocator allocfunc,report_error errfunc){ + the_geom.lwgi=1; + return parse_it(geometry,allocfunc,errfunc); +} + + + diff --git a/lwgeom/wktparse.h b/lwgeom/wktparse.h new file mode 100644 index 000000000..e2535c1ed --- /dev/null +++ b/lwgeom/wktparse.h @@ -0,0 +1,73 @@ +/* + * Written by Ralph Mason ralph.masontelogis.com + * + * Copyright Telogis 2004 + * www.telogis.com + * + */ + +#include + +typedef unsigned char byte; +typedef void* (*allocator)(size_t size); +typedef void (*freeor)(void* mem); +typedef void (*report_error)(const char* string); + +//typedef unsigned long int4; + + +/* How much memory is allocated at a time(bytes) for tuples */ +#define ALLOC_CHUNKS 8192 + +/* to shrink ints less than 0x7f to 1 byte */ +//#define SHRINK_INTS + +#define POINTTYPE 1 +#define LINETYPE 2 +#define POLYGONTYPE 3 +#define MULTIPOINTTYPE 4 +#define MULTILINETYPE 5 +#define MULTIPOLYGONTYPE 6 +#define COLLECTIONTYPE 7 + +/* Extended lwgeom integer types */ +#define POINTTYPEI 10 +#define LINETYPEI 11 +#define POLYGONTYPEI 12 + +extern int srid; + +void set_srid(double srid); +void alloc_lwgeom(int srid); + +void alloc_point_2d(double x,double y); +void alloc_point_3d(double x,double y,double z); +void alloc_point_4d(double x,double y,double z,double m); + +void alloc_point(void); +void alloc_linestring(void); +void alloc_polygon(void); +void alloc_multipoint(void); +void alloc_multilinestring(void); +void alloc_multipolygon(void); +void alloc_geomertycollection(void); +void alloc_empty(); + +void alloc_counter(void); + + +void pop(void); +void popc(void); + +void alloc_wkb(const char* parser); +/* + Use these functions to parse and unparse lwgeoms + You are responsible for freeing the returned memory. +*/ + +byte* parse_lwg(const char* wkt,allocator allocfunc,report_error errfunc); +byte* parse_lwgi(const char* wkt,allocator allocfunc,report_error errfunc); +char* unparse_WKT(byte* lw_geom,allocator alloc,freeor free); +char* unparse_WKB(byte* lw_geom,allocator alloc,freeor free); + + diff --git a/lwgeom/wktparse.tab.c b/lwgeom/wktparse.tab.c new file mode 100644 index 000000000..4e7f1e0ce --- /dev/null +++ b/lwgeom/wktparse.tab.c @@ -0,0 +1,1376 @@ +/* A Bison parser, made from wktparse.y + by GNU bison 1.32. */ + +#define YYBISON 1 /* Identify Bison output. */ + +#define yyparse lwg_parse_yyparse +#define yylex lwg_parse_yylex +#define yyerror lwg_parse_yyerror +#define yylval lwg_parse_yylval +#define yychar lwg_parse_yychar +#define yydebug lwg_parse_yydebug +#define yynerrs lwg_parse_yynerrs +# define POINT 257 +# define LINESTRING 258 +# define POLYGON 259 +# define MULTIPOINT 260 +# define MULTILINESTRING 261 +# define MULTIPOLYGON 262 +# define GEOMETRYCOLLECTION 263 +# define SRID 264 +# define EMPTY 265 +# define VALUE 266 +# define LPAREN 267 +# define RPAREN 268 +# define COMMA 269 +# define EQUALS 270 +# define SEMICOLON 271 +# define WKB 272 + +#line 9 "wktparse.y" + +#include "wktparse.h" + + +#line 16 "wktparse.y" +#ifndef YYSTYPE +typedef union { + double value; + const char* wkb; +} yystype; +# define YYSTYPE yystype +#endif +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + + + +#define YYFINAL 108 +#define YYFLAG -32768 +#define YYNTBASE 19 + +/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */ +#define YYTRANSLATE(x) ((unsigned)(x) <= 272 ? yytranslate[x] : 68) + +/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */ +static const char yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 3, 4, 5, + 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18 +}; + +#if YYDEBUG +static const short yyprhs[] = +{ + 0, 0, 1, 6, 7, 10, 12, 14, 16, 18, + 20, 22, 24, 26, 30, 32, 35, 36, 39, 41, + 45, 46, 50, 52, 53, 58, 60, 64, 66, 67, + 70, 73, 74, 77, 79, 80, 85, 87, 91, 92, + 96, 98, 99, 104, 106, 110, 113, 114, 117, 119, + 120, 125, 127, 131, 132, 136, 138, 139, 144, 146, + 150, 151, 155, 157, 158, 163, 165, 169, 171, 173, + 175, 178, 182, 187 +}; +static const short yyrhs[] = +{ + -1, 23, 17, 20, 22, 0, 0, 21, 22, 0, + 24, 0, 25, 0, 36, 0, 47, 0, 29, 0, + 42, 0, 53, 0, 58, 0, 10, 16, 12, 0, + 18, 0, 3, 26, 0, 0, 27, 28, 0, 67, + 0, 13, 63, 14, 0, 0, 6, 30, 31, 0, + 67, 0, 0, 32, 13, 33, 14, 0, 34, 0, + 33, 15, 34, 0, 26, 0, 0, 35, 63, 0, + 4, 37, 0, 0, 38, 39, 0, 67, 0, 0, + 40, 13, 41, 14, 0, 63, 0, 41, 15, 63, + 0, 0, 7, 43, 44, 0, 67, 0, 0, 45, + 13, 46, 14, 0, 37, 0, 46, 15, 37, 0, + 5, 48, 0, 0, 49, 50, 0, 67, 0, 0, + 51, 13, 52, 14, 0, 39, 0, 52, 15, 39, + 0, 0, 8, 54, 55, 0, 67, 0, 0, 56, + 13, 57, 14, 0, 48, 0, 57, 15, 48, 0, + 0, 9, 59, 60, 0, 67, 0, 0, 61, 13, + 62, 14, 0, 22, 0, 62, 15, 22, 0, 64, + 0, 65, 0, 66, 0, 12, 12, 0, 12, 12, + 12, 0, 12, 12, 12, 12, 0, 11, 0 +}; + +#endif + +#if YYDEBUG +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const short yyrline[] = +{ + 0, 30, 30, 31, 31, 33, 33, 33, 33, 33, + 34, 34, 34, 36, 38, 43, 45, 45, 47, 47, + 51, 51, 53, 53, 53, 55, 55, 57, 57, 57, + 62, 64, 64, 66, 66, 66, 68, 68, 72, 72, + 74, 74, 74, 76, 76, 81, 83, 83, 85, 85, + 85, 87, 87, 91, 91, 93, 93, 93, 95, 95, + 101, 101, 103, 103, 103, 105, 105, 108, 108, 108, + 110, 112, 114, 116 +}; +#endif + + +#if (YYDEBUG) || defined YYERROR_VERBOSE + +/* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */ +static const char *const yytname[] = +{ + "$", "error", "$undefined.", "POINT", "LINESTRING", "POLYGON", + "MULTIPOINT", "MULTILINESTRING", "MULTIPOLYGON", "GEOMETRYCOLLECTION", + "SRID", "EMPTY", "VALUE", "LPAREN", "RPAREN", "COMMA", "EQUALS", + "SEMICOLON", "WKB", "geometry", "@1", "@2", "geometry_int", "srid", + "geom_wkb", "geom_point", "point", "@3", "point_int", "geom_multipoint", + "@4", "multipoint", "@5", "multipoint_int", "mpoint", "@6", + "geom_linestring", "linestring", "@7", "linestring_1", "@8", + "linestring_int", "geom_multilinestring", "@9", "multilinestring", + "@10", "multilinestring_int", "geom_polygon", "polygon", "@11", + "polygon_1", "@12", "polygon_int", "geom_multipolygon", "@13", + "multipolygon", "@14", "multipolygon_int", "geom_geometrycollection", + "@15", "geometrycollection", "@16", "geometrycollection_int", "a_point", + "point_2d", "point_3d", "point_4d", "empty", NULL +}; +#endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const short yyr1[] = +{ + 0, 20, 19, 21, 19, 22, 22, 22, 22, 22, + 22, 22, 22, 23, 24, 25, 27, 26, 28, 28, + 30, 29, 31, 32, 31, 33, 33, 34, 35, 34, + 36, 38, 37, 39, 40, 39, 41, 41, 43, 42, + 44, 45, 44, 46, 46, 47, 49, 48, 50, 51, + 50, 52, 52, 54, 53, 55, 56, 55, 57, 57, + 59, 58, 60, 61, 60, 62, 62, 63, 63, 63, + 64, 65, 66, 67 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const short yyr2[] = +{ + 0, 0, 4, 0, 2, 1, 1, 1, 1, 1, + 1, 1, 1, 3, 1, 2, 0, 2, 1, 3, + 0, 3, 1, 0, 4, 1, 3, 1, 0, 2, + 2, 0, 2, 1, 0, 4, 1, 3, 0, 3, + 1, 0, 4, 1, 3, 2, 0, 2, 1, 0, + 4, 1, 3, 0, 3, 1, 0, 4, 1, 3, + 0, 3, 1, 0, 4, 1, 3, 1, 1, 1, + 2, 3, 4, 1 +}; + +/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE + doesn't specify something else to do. Zero means the default is an + error. */ +static const short yydefact[] = +{ + 3, 0, 0, 0, 0, 16, 31, 46, 20, 38, + 53, 60, 14, 4, 5, 6, 9, 7, 10, 8, + 11, 12, 1, 13, 15, 0, 30, 34, 45, 49, + 23, 41, 56, 63, 0, 73, 0, 17, 18, 32, + 0, 33, 47, 0, 48, 21, 0, 22, 39, 0, + 40, 54, 0, 55, 61, 0, 62, 2, 0, 0, + 67, 68, 69, 0, 34, 16, 31, 46, 0, 70, + 19, 0, 36, 51, 0, 27, 0, 25, 0, 43, + 0, 58, 0, 65, 0, 71, 35, 0, 50, 34, + 24, 16, 29, 42, 31, 57, 46, 64, 0, 72, + 37, 52, 26, 44, 59, 66, 0, 0, 0 +}; + +static const short yydefgoto[] = +{ + 106, 34, 2, 13, 3, 14, 15, 75, 25, 37, + 16, 30, 45, 46, 76, 77, 78, 17, 26, 27, + 39, 40, 71, 18, 31, 48, 49, 80, 19, 28, + 29, 42, 43, 74, 20, 32, 51, 52, 82, 21, + 33, 54, 55, 84, 59, 60, 61, 62, 41 +}; + +static const short yypact[] = +{ + 3, -1, 2, 9, 4,-32768,-32768,-32768,-32768,-32768, + -32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, + -32768,-32768,-32768,-32768,-32768, 1,-32768, 7,-32768, 7, + 7, 7, 7, 7, 2,-32768, 17,-32768,-32768,-32768, + 32,-32768,-32768, 33,-32768,-32768, 34,-32768,-32768, 35, + -32768,-32768, 36,-32768,-32768, 37,-32768,-32768, 39, 38, + -32768,-32768,-32768, 17, 7, 41,-32768,-32768, 2, 42, + -32768, 18,-32768,-32768, 21,-32768, 23,-32768, 17,-32768, + 25,-32768, 27,-32768, 29, 43,-32768, 17,-32768, 7, + -32768, 41,-32768,-32768,-32768,-32768,-32768,-32768, 2,-32768, + -32768,-32768,-32768,-32768,-32768,-32768, 56, 57,-32768 +}; + +static const short yypgoto[] = +{ + -32768,-32768,-32768, -34,-32768,-32768,-32768, 53,-32768,-32768, + -32768,-32768,-32768,-32768,-32768, -32,-32768,-32768, -63,-32768, + -62,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, -66, + -32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, + -32768,-32768,-32768,-32768, -59,-32768,-32768,-32768, -8 +}; + + +#define YYLAST 64 + + +static const short yytable[] = +{ + 57, 81, 73, 79, 72, 5, 6, 7, 8, 9, + 10, 11, 35, 1, 36, 4, 23, 38, 35, 92, + 12, 44, 47, 50, 53, 56, 22, 101, 100, 58, + 104, 103, 86, 87, 83, 88, 89, 90, 91, 93, + 94, 95, 96, 97, 98, 63, 64, 65, 66, 67, + 68, 69, 70, -28, 85, 99, 107, 108, 24, 102, + 0, 0, 0, 0, 105 +}; + +static const short yycheck[] = +{ + 34, 67, 64, 66, 63, 3, 4, 5, 6, 7, + 8, 9, 11, 10, 13, 16, 12, 25, 11, 78, + 18, 29, 30, 31, 32, 33, 17, 89, 87, 12, + 96, 94, 14, 15, 68, 14, 15, 14, 15, 14, + 15, 14, 15, 14, 15, 13, 13, 13, 13, 13, + 13, 12, 14, 12, 12, 12, 0, 0, 5, 91, + -1, -1, -1, -1, 98 +}; +/* -*-C-*- Note some compilers choke on comments on `#line' lines. */ +#line 3 "/usr/share/bison/bison.simple" + +/* Skeleton output parser for bison, + Copyright (C) 1984, 1989, 1990, 2000, 2001 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* As a special exception, when this file is copied by Bison into a + Bison output file, you may use that output file without restriction. + This special exception was added by the Free Software Foundation + in version 1.24 of Bison. */ + +/* This is the parser code that is written into each bison parser when + the %semantic_parser declaration is not specified in the grammar. + It was written by Richard Stallman by simplifying the hairy parser + used when %semantic_parser is specified. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +#ifdef __cplusplus +# define YYSTD(x) std::x +#else +# define YYSTD(x) x +#endif + +#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE) + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# if YYSTACK_USE_ALLOCA +# define YYSTACK_ALLOC alloca +# define YYSIZE_T YYSTD (size_t) +# else +# ifndef YYSTACK_USE_ALLOCA +# if defined (alloca) || defined (_ALLOCA_H) +# define YYSTACK_ALLOC alloca +# define YYSIZE_T YYSTD (size_t) +# else +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# else +# ifdef __cplusplus +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T std::size_t +# else +# ifdef __STDC__ +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +# endif +# define YYSTACK_ALLOC YYSTD (malloc) +# define YYSTACK_FREE YYSTD (free) +# endif + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + short yyss; + YYSTYPE yyvs; +# if YYLSP_NEEDED + YYLTYPE yyls; +# endif +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# if YYLSP_NEEDED +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + + 2 * YYSTACK_GAP_MAX) +# else +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (short) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAX) +# endif + +/* Relocate the TYPE STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Type, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + yymemcpy ((char *) yyptr, (char *) (Stack), \ + yysize * (YYSIZE_T) sizeof (Type)); \ + Stack = &yyptr->Stack; \ + yynewbytes = yystacksize * sizeof (Type) + YYSTACK_GAP_MAX; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (0) + +#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */ + + +#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) +# define YYSIZE_T __SIZE_TYPE__ +#endif +#if ! defined (YYSIZE_T) && defined (size_t) +# define YYSIZE_T size_t +#endif +#if ! defined (YYSIZE_T) +# ifdef __cplusplus +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T std::size_t +# else +# ifdef __STDC__ +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +# endif +#endif +#if ! defined (YYSIZE_T) +# define YYSIZE_T unsigned int +#endif + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY -2 +#define YYEOF 0 +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrlab1 +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. */ +#define YYFAIL goto yyerrlab +#define YYRECOVERING() (!!yyerrstatus) +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yychar1 = YYTRANSLATE (yychar); \ + YYPOPSTACK; \ + goto yybackup; \ + } \ + else \ + { \ + yyerror ("syntax error: cannot back up"); \ + YYERROR; \ + } \ +while (0) + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Compute the default location (before the actions + are run). + + When YYLLOC_DEFAULT is run, CURRENT is set the location of the + first token. By default, to implement support for ranges, extend + its range to the last symbol. */ + +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + Current.last_line = Rhs[N].last_line; \ + Current.last_column = Rhs[N].last_column; +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#if YYPURE +# if YYLSP_NEEDED +# ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) +# else +# define YYLEX yylex (&yylval, &yylloc) +# endif +# else /* !YYLSP_NEEDED */ +# ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, YYLEX_PARAM) +# else +# define YYLEX yylex (&yylval) +# endif +# endif /* !YYLSP_NEEDED */ +#else /* !YYPURE */ +# define YYLEX yylex () +#endif /* !YYPURE */ + + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# ifdef __cplusplus +# include /* INFRINGES ON USER NAME SPACE */ +# else +# include /* INFRINGES ON USER NAME SPACE */ +# endif +# define YYFPRINTF YYSTD (fprintf) +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) +/* Nonzero means print parse trace. [The following comment makes no + sense to me. Could someone clarify it? --akim] Since this is + uninitialized, it does not stop multiple parsers from coexisting. + */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +#endif /* !YYDEBUG */ + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#if YYMAXDEPTH == 0 +# undef YYMAXDEPTH +#endif + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + +#if ! defined (yyoverflow) && ! defined (yymemcpy) +# if __GNUC__ > 1 /* GNU C and GNU C++ define this. */ +# define yymemcpy __builtin_memcpy +# else /* not GNU C or C++ */ + +/* This is the most reliable way to avoid incompatibilities + in available built-in functions on various systems. */ +static void +# if defined (__STDC__) || defined (__cplusplus) +yymemcpy (char *yyto, const char *yyfrom, YYSIZE_T yycount) +# else +yymemcpy (yyto, yyfrom, yycount) + char *yyto; + const char *yyfrom; + YYSIZE_T yycount; +# endif +{ + register const char *yyf = yyfrom; + register char *yyt = yyto; + register YYSIZE_T yyi = yycount; + + while (yyi-- != 0) + *yyt++ = *yyf++; +} +# endif +#endif + +#ifdef YYERROR_VERBOSE + +# ifndef yystrlen +# if defined (__GLIBC__) && defined (_STRING_H) +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +static YYSIZE_T +# if defined (__STDC__) || defined (__cplusplus) +yystrlen (const char *yystr) +# else +yystrlen (yystr) + const char *yystr; +# endif +{ + register const char *yys = yystr; + + while (*yys++ != '\0') + continue; + + return yys - yystr - 1; +} +# endif +# endif + +# ifndef yystpcpy +# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE) +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +static char * +# if defined (__STDC__) || defined (__cplusplus) +yystpcpy (char *yydest, const char *yysrc) +# else +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +# endif +{ + register char *yyd = yydest; + register const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif +#endif + +#line 341 "/usr/share/bison/bison.simple" + + +/* The user can define YYPARSE_PARAM as the name of an argument to be passed + into yyparse. The argument should have type void *. + It should actually point to an object. + Grammar actions can access the variable by casting it + to the proper pointer type. */ + +#ifdef YYPARSE_PARAM +# ifdef __cplusplus +# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM +# define YYPARSE_PARAM_DECL +# else /* !__cplusplus */ +# define YYPARSE_PARAM_ARG YYPARSE_PARAM +# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; +# endif /* !__cplusplus */ +#else /* !YYPARSE_PARAM */ +# define YYPARSE_PARAM_ARG +# define YYPARSE_PARAM_DECL +#endif /* !YYPARSE_PARAM */ + +/* Prevent warning if -Wstrict-prototypes. */ +#ifdef __GNUC__ +# ifdef YYPARSE_PARAM +int yyparse (void *); +# else +int yyparse (void); +# endif +#endif + +/* YY_DECL_VARIABLES -- depending whether we use a pure parser, + variables are global, or local to YYPARSE. */ + +#define YY_DECL_NON_LSP_VARIABLES \ +/* The lookahead symbol. */ \ +int yychar; \ + \ +/* The semantic value of the lookahead symbol. */ \ +YYSTYPE yylval; \ + \ +/* Number of parse errors so far. */ \ +int yynerrs; + +#if YYLSP_NEEDED +# define YY_DECL_VARIABLES \ +YY_DECL_NON_LSP_VARIABLES \ + \ +/* Location data for the lookahead symbol. */ \ +YYLTYPE yylloc; +#else +# define YY_DECL_VARIABLES \ +YY_DECL_NON_LSP_VARIABLES +#endif + + +/* If nonreentrant, generate the variables here. */ + +#if !YYPURE +YY_DECL_VARIABLES +#endif /* !YYPURE */ + +int +yyparse (YYPARSE_PARAM_ARG) + YYPARSE_PARAM_DECL +{ + /* If reentrant, generate the variables here. */ +#if YYPURE + YY_DECL_VARIABLES +#endif /* !YYPURE */ + + register int yystate; + register int yyn; + int yyresult; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + /* Lookahead token as an internal (translated) token number. */ + int yychar1 = 0; + + /* Three stacks and their tools: + `yyss': related to states, + `yyvs': related to semantic values, + `yyls': related to locations. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + short yyssa[YYINITDEPTH]; + short *yyss = yyssa; + register short *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs = yyvsa; + register YYSTYPE *yyvsp; + +#if YYLSP_NEEDED + /* The location stack. */ + YYLTYPE yylsa[YYINITDEPTH]; + YYLTYPE *yyls = yylsa; + YYLTYPE *yylsp; +#endif + +#if YYLSP_NEEDED +# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) +#else +# define YYPOPSTACK (yyvsp--, yyssp--) +#endif + + YYSIZE_T yystacksize = YYINITDEPTH; + + + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; +#if YYLSP_NEEDED + YYLTYPE yyloc; +#endif + + /* When reducing, the number of symbols on the RHS of the reduced + rule. */ + int yylen; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + + yyssp = yyss; + yyvsp = yyvs; +#if YYLSP_NEEDED + yylsp = yyls; +#endif + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. so pushing a state here evens the stacks. + */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyssp >= yyss + yystacksize - 1) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + short *yyss1 = yyss; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. */ +# if YYLSP_NEEDED + YYLTYPE *yyls1 = yyls; + /* This used to be a conditional around just the two extra args, + but that might be undefined if yyoverflow is a macro. */ + yyoverflow ("parser stack overflow", + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yyls1, yysize * sizeof (*yylsp), + &yystacksize); + yyls = yyls1; +# else + yyoverflow ("parser stack overflow", + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yystacksize); +# endif + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ + /* Extend the stack our own way. */ + if (yystacksize >= YYMAXDEPTH) + goto yyoverflowlab; + yystacksize *= 2; + if (yystacksize > YYMAXDEPTH) + yystacksize = YYMAXDEPTH; + + { + short *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyoverflowlab; + YYSTACK_RELOCATE (short, yyss); + YYSTACK_RELOCATE (YYSTYPE, yyvs); +# if YYLSP_NEEDED + YYSTACK_RELOCATE (YYLTYPE, yyls); +# endif +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; +#if YYLSP_NEEDED + yylsp = yyls + yysize - 1; +#endif + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyssp >= yyss + yystacksize - 1) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + goto yybackup; + + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + +/* Do appropriate processing given the current state. */ +/* Read a lookahead token if we need one and don't already have one. */ +/* yyresume: */ + + /* First try to decide what to do without reference to lookahead token. */ + + yyn = yypact[yystate]; + if (yyn == YYFLAG) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* yychar is either YYEMPTY or YYEOF + or a valid token in external form. */ + + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + /* Convert token to internal form (in yychar1) for indexing tables with */ + + if (yychar <= 0) /* This means end of input. */ + { + yychar1 = 0; + yychar = YYEOF; /* Don't call YYLEX any more */ + + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yychar1 = YYTRANSLATE (yychar); + +#if YYDEBUG + /* We have to keep this `#if YYDEBUG', since we use variables + which are defined only if `YYDEBUG' is set. */ + if (yydebug) + { + YYFPRINTF (stderr, "Next token is %d (%s", + yychar, yytname[yychar1]); + /* Give the individual parser a way to print the precise + meaning of a token, for further debugging info. */ +# ifdef YYPRINT + YYPRINT (stderr, yychar, yylval); +# endif + YYFPRINTF (stderr, ")\n"); + } +#endif + } + + yyn += yychar1; + if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1) + goto yydefault; + + yyn = yytable[yyn]; + + /* yyn is what to do for this token type in this state. + Negative => reduce, -yyn is rule number. + Positive => shift, yyn is new state. + New state is final state => don't bother to shift, + just return success. + 0, or most negative number => error. */ + + if (yyn < 0) + { + if (yyn == YYFLAG) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + else if (yyn == 0) + goto yyerrlab; + + if (yyn == YYFINAL) + YYACCEPT; + + /* Shift the lookahead token. */ + YYDPRINTF ((stderr, "Shifting token %d (%s), ", + yychar, yytname[yychar1])); + + /* Discard the token being shifted unless it is eof. */ + if (yychar != YYEOF) + yychar = YYEMPTY; + + *++yyvsp = yylval; +#if YYLSP_NEEDED + *++yylsp = yylloc; +#endif + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + yystate = yyn; + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to the semantic value of + the lookahead token. This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + +#if YYLSP_NEEDED + /* Similarly for the default location. Let the user run additional + commands if for instance locations are ranges. */ + yyloc = yylsp[1-yylen]; + YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); +#endif + +#if YYDEBUG + /* We have to keep this `#if YYDEBUG', since we use variables which + are defined only if `YYDEBUG' is set. */ + if (yydebug) + { + int yyi; + + YYFPRINTF (stderr, "Reducing via rule %d (line %d), ", + yyn, yyrline[yyn]); + + /* Print the symbols being reduced, and their result. */ + for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++) + YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]); + YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]); + } +#endif + + switch (yyn) { + +case 1: +#line 30 "wktparse.y" +{ alloc_lwgeom(srid); ; + break;} +case 3: +#line 31 "wktparse.y" +{ alloc_lwgeom(-1); ; + break;} +case 13: +#line 36 "wktparse.y" +{ set_srid(yyvsp[0].value); ; + break;} +case 14: +#line 38 "wktparse.y" +{alloc_wkb(yyvsp[0].wkb) ; ; + break;} +case 16: +#line 45 "wktparse.y" +{ alloc_point(); ; + break;} +case 17: +#line 45 "wktparse.y" +{ pop();; + break;} +case 20: +#line 51 "wktparse.y" +{ alloc_multipoint(); ; + break;} +case 21: +#line 51 "wktparse.y" +{ pop();; + break;} +case 23: +#line 53 "wktparse.y" +{ alloc_counter(); ; + break;} +case 24: +#line 53 "wktparse.y" +{pop();; + break;} +case 28: +#line 57 "wktparse.y" +{ alloc_point(); ; + break;} +case 29: +#line 57 "wktparse.y" +{ pop();; + break;} +case 31: +#line 64 "wktparse.y" +{ alloc_linestring(); ; + break;} +case 32: +#line 64 "wktparse.y" +{pop();; + break;} +case 34: +#line 66 "wktparse.y" +{ alloc_counter(); ; + break;} +case 35: +#line 66 "wktparse.y" +{popc(); ; + break;} +case 38: +#line 72 "wktparse.y" +{ alloc_multilinestring(); ; + break;} +case 39: +#line 72 "wktparse.y" +{ pop();; + break;} +case 41: +#line 74 "wktparse.y" +{ alloc_counter(); ; + break;} +case 42: +#line 74 "wktparse.y" +{ pop();; + break;} +case 46: +#line 83 "wktparse.y" +{ alloc_polygon(); ; + break;} +case 47: +#line 83 "wktparse.y" +{ pop();; + break;} +case 49: +#line 85 "wktparse.y" +{ alloc_counter(); ; + break;} +case 50: +#line 85 "wktparse.y" +{ pop();; + break;} +case 53: +#line 91 "wktparse.y" +{ alloc_multipolygon(); ; + break;} +case 54: +#line 91 "wktparse.y" +{ pop();; + break;} +case 56: +#line 93 "wktparse.y" +{ alloc_counter(); ; + break;} +case 57: +#line 93 "wktparse.y" +{ pop();; + break;} +case 60: +#line 101 "wktparse.y" +{ alloc_geomertycollection(); ; + break;} +case 61: +#line 101 "wktparse.y" +{ pop();; + break;} +case 63: +#line 103 "wktparse.y" +{ alloc_counter(); ; + break;} +case 64: +#line 103 "wktparse.y" +{ pop();; + break;} +case 70: +#line 110 "wktparse.y" +{alloc_point_2d(yyvsp[-1].value,yyvsp[0].value) ; + break;} +case 71: +#line 112 "wktparse.y" +{alloc_point_3d(yyvsp[-2].value,yyvsp[-1].value,yyvsp[0].value) ; + break;} +case 72: +#line 114 "wktparse.y" +{alloc_point_4d(yyvsp[-3].value,yyvsp[-2].value,yyvsp[-1].value,yyvsp[0].value) ; + break;} +case 73: +#line 116 "wktparse.y" +{alloc_empty() ; + break;} +} + +#line 727 "/usr/share/bison/bison.simple" + + + yyvsp -= yylen; + yyssp -= yylen; +#if YYLSP_NEEDED + yylsp -= yylen; +#endif + +#if YYDEBUG + if (yydebug) + { + short *yyssp1 = yyss - 1; + YYFPRINTF (stderr, "state stack now"); + while (yyssp1 != yyssp) + YYFPRINTF (stderr, " %d", *++yyssp1); + YYFPRINTF (stderr, "\n"); + } +#endif + + *++yyvsp = yyval; +#if YYLSP_NEEDED + *++yylsp = yyloc; +#endif + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTBASE] + *yyssp; + if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTBASE]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; + +#ifdef YYERROR_VERBOSE + yyn = yypact[yystate]; + + if (yyn > YYFLAG && yyn < YYLAST) + { + YYSIZE_T yysize = 0; + char *yymsg; + int yyx, yycount; + + yycount = 0; + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) + if (yycheck[yyx + yyn] == yyx) + yysize += yystrlen (yytname[yyx]) + 15, yycount++; + yysize += yystrlen ("parse error, unexpected ") + 1; + yysize += yystrlen (yytname[YYTRANSLATE (yychar)]); + yymsg = (char *) YYSTACK_ALLOC (yysize); + if (yymsg != 0) + { + char *yyp = yystpcpy (yymsg, "parse error, unexpected "); + yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]); + + if (yycount < 5) + { + yycount = 0; + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); + yyx++) + if (yycheck[yyx + yyn] == yyx) + { + const char *yyq = ! yycount ? ", expecting " : " or "; + yyp = yystpcpy (yyp, yyq); + yyp = yystpcpy (yyp, yytname[yyx]); + yycount++; + } + } + yyerror (yymsg); + YYSTACK_FREE (yymsg); + } + else + yyerror ("parse error; also virtual memory exhausted"); + } + else +#endif /* defined (YYERROR_VERBOSE) */ + yyerror ("parse error"); + } + goto yyerrlab1; + + +/*--------------------------------------------------. +| yyerrlab1 -- error raised explicitly by an action | +`--------------------------------------------------*/ +yyerrlab1: + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + /* return failure if at end of input */ + if (yychar == YYEOF) + YYABORT; + YYDPRINTF ((stderr, "Discarding token %d (%s).\n", + yychar, yytname[yychar1])); + yychar = YYEMPTY; + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + + yyerrstatus = 3; /* Each real token shifted decrements this */ + + goto yyerrhandle; + + +/*-------------------------------------------------------------------. +| yyerrdefault -- current state does not do anything special for the | +| error token. | +`-------------------------------------------------------------------*/ +yyerrdefault: +#if 0 + /* This is wrong; only states that explicitly want error tokens + should shift them. */ + + /* If its default is to accept any token, ok. Otherwise pop it. */ + yyn = yydefact[yystate]; + if (yyn) + goto yydefault; +#endif + + +/*---------------------------------------------------------------. +| yyerrpop -- pop the current state because it cannot handle the | +| error token | +`---------------------------------------------------------------*/ +yyerrpop: + if (yyssp == yyss) + YYABORT; + yyvsp--; + yystate = *--yyssp; +#if YYLSP_NEEDED + yylsp--; +#endif + +#if YYDEBUG + if (yydebug) + { + short *yyssp1 = yyss - 1; + YYFPRINTF (stderr, "Error: state stack now"); + while (yyssp1 != yyssp) + YYFPRINTF (stderr, " %d", *++yyssp1); + YYFPRINTF (stderr, "\n"); + } +#endif + +/*--------------. +| yyerrhandle. | +`--------------*/ +yyerrhandle: + yyn = yypact[yystate]; + if (yyn == YYFLAG) + goto yyerrdefault; + + yyn += YYTERROR; + if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR) + goto yyerrdefault; + + yyn = yytable[yyn]; + if (yyn < 0) + { + if (yyn == YYFLAG) + goto yyerrpop; + yyn = -yyn; + goto yyreduce; + } + else if (yyn == 0) + goto yyerrpop; + + if (yyn == YYFINAL) + YYACCEPT; + + YYDPRINTF ((stderr, "Shifting error token, ")); + + *++yyvsp = yylval; +#if YYLSP_NEEDED + *++yylsp = yylloc; +#endif + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +/*---------------------------------------------. +| yyoverflowab -- parser overflow comes here. | +`---------------------------------------------*/ +yyoverflowlab: + yyerror ("parser stack overflow"); + yyresult = 2; + /* Fall through. */ + +yyreturn: +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif + return yyresult; +} +#line 117 "wktparse.y" + + + + + diff --git a/lwgeom/wktparse.tab.h b/lwgeom/wktparse.tab.h new file mode 100644 index 000000000..7b03cdbb3 --- /dev/null +++ b/lwgeom/wktparse.tab.h @@ -0,0 +1,31 @@ +#ifndef BISON_WKTPARSE_TAB_H +# define BISON_WKTPARSE_TAB_H + +#ifndef YYSTYPE +typedef union { + double value; + const char* wkb; +} yystype; +# define YYSTYPE yystype +#endif +# define POINT 257 +# define LINESTRING 258 +# define POLYGON 259 +# define MULTIPOINT 260 +# define MULTILINESTRING 261 +# define MULTIPOLYGON 262 +# define GEOMETRYCOLLECTION 263 +# define SRID 264 +# define EMPTY 265 +# define VALUE 266 +# define LPAREN 267 +# define RPAREN 268 +# define COMMA 269 +# define EQUALS 270 +# define SEMICOLON 271 +# define WKB 272 + + +extern YYSTYPE lwg_parse_yylval; + +#endif /* not BISON_WKTPARSE_TAB_H */ diff --git a/lwgeom/wktunparse.c b/lwgeom/wktunparse.c new file mode 100644 index 000000000..d8ef0843c --- /dev/null +++ b/lwgeom/wktunparse.c @@ -0,0 +1,376 @@ +/* + * Written by Ralph Mason ralph.masontelogis.com + * + * Copyright Telogis 2004 + * www.telogis.com + * + */ + +#include "wktparse.h" +#include +#include +#include +//TO get byte order +#include +#include +#include +#include + +typedef unsigned long int4; + +static int dims; +static allocator local_malloc; +static freeor local_free; +static char* out_start; +static char* out_pos; +static int len; +static int lwgi; + +void ensure(int chars){ + + int pos = out_pos - out_start; + + if ( (pos + chars) >= len ){ + char* newp =(char*)local_malloc(len*2); + memcpy(newp,out_start,len); + local_free(out_start); + out_start = newp; + out_pos = newp + pos; + len *=2; + } +} + +void to_end(){ + while(*out_pos){ + out_pos++; + } +} + +void write_str(const char* str){ + ensure(32); + strcpy(out_pos,str); + to_end(); +} + +void write_double(double val){ + ensure(32); + if (lwgi) + sprintf(out_pos,"%.8g",val); + else + sprintf(out_pos,"%.15g",val); + to_end(); +} + +void write_int(int i){ + ensure(32); + sprintf(out_pos,"%i",i); + to_end(); +} + +int4 read_int(byte** geom){ + int4 ret; +#ifdef SHRINK_INTS + if ( BYTE_ORDER == LITTLE_ENDIAN ){ + if( (**geom)& 0x01){ + ret = **geom >>1; + (*geom)++; + return ret; + } + } + else{ + if( (**geom)& 0x80){ + ret = **geom & ~0x80; + (*geom)++; + return ret; + } + } +#endif + memcpy(&ret,*geom,4); + +#ifdef SHRINK_INTS + if ( BYTE_ORDER == LITTLE_ENDIAN ){ + ret >>= 1; + } +#endif + + (*geom)+=4; + return ret; +} + +double round(double); + +double read_double(byte** geom){ + if (lwgi){ + double ret = *((int4*)*geom); + ret /= 0xb60b60; + (*geom)+=4; + return ret-180.0; + } + else{ + double ret = *((double*)*geom); + (*geom)+=8; + return ret; + } +} + +typedef byte* (*outfunc)(byte*,int); + +byte* output_point(byte* geom,int supress){ + int i; + + for( i = 0 ; i < dims ; i++ ){ + write_double(read_double(&geom)); + if (i +1 < dims ) + write_str(" "); + } + return geom; +} + +byte* output_single(byte* geom,int supress){ + write_str("("); + geom=output_point(geom,supress); + write_str(")"); + return geom; +} + +byte* output_collection(byte* geom,outfunc func,int supress){ + int cnt = read_int(&geom); + if ( cnt == 0 ){ + write_str(" EMPTY"); + } + else{ + write_str("("); + while(cnt--){ + geom=func(geom,supress); + if ( cnt ){ + write_str(","); + } + } + write_str(")"); + } + return geom; +} + +byte* output_collection_2(byte* geom,int suppress){ + return output_collection(geom,output_point,suppress); +} + +byte* output_wkt(byte* geom, int supress){ + + unsigned type=*geom++; + dims = ((type & 0x30) >> 4)+2; + + //Skip the bounding box if there is one + if ( type & 0x80 ){ + geom+=16; + } + + if ( type & 0x40 ){ + write_str("SRID=");write_int(read_int(&geom));write_str(";"); + } + + switch(type & 0x0F){ + case POINTTYPE: + if ( ! supress) write_str("POINT"); + geom=output_single(geom,0); + break; + case LINETYPE: + if ( ! supress) write_str("LINESTRING"); + geom = output_collection(geom,output_point,0); + break; + case POLYGONTYPE: + if ( ! supress) write_str("POLYGON"); + geom = output_collection(geom,output_collection_2,0); + break; + case MULTIPOINTTYPE: + if ( ! supress) write_str("MULTIPOINT"); + geom = output_collection(geom,output_wkt,1); + break; + case MULTILINETYPE: + if ( ! supress) write_str("MULTILINESTRING"); + geom = output_collection(geom,output_wkt,1); + break; + case MULTIPOLYGONTYPE: + if ( ! supress) write_str("MULTIPOLYGON"); + geom = output_collection(geom,output_wkt,1); + break; + case COLLECTIONTYPE: + if ( ! supress) write_str("GEOMETRYCOLLECTION"); + geom = output_collection(geom,output_wkt,0); + break; + + case POINTTYPEI: + if ( ! supress) write_str("POINT"); + lwgi++; + geom=output_single(geom,0); + lwgi--; + break; + case LINETYPEI: + if ( ! supress) write_str("LINESTRING"); + lwgi++; + geom = output_collection(geom,output_point,0); + lwgi--; + break; + case POLYGONTYPEI: + if ( ! supress) write_str("POLYGON"); + lwgi++; + geom =output_collection(geom,output_collection_2,0); + lwgi--; + break; + } + return geom; +} + +char* unparse_WKT(byte* lw_geom,allocator alloc,freeor free){ + + if (lw_geom==NULL) + return NULL; + + local_malloc=alloc; + local_free=free; + len = 128; + out_start = out_pos = alloc(len); + lwgi=0; + + output_wkt(lw_geom+4,0); + + return out_start; +} + +static char outchr[]={"0123456789ABCDEF" }; + +void write_wkb_bytes(byte* ptr,int cnt){ + ensure(cnt*2); + + while(cnt--){ + *out_pos++ = outchr[*ptr>>4]; + *out_pos++ = outchr[*ptr&0x0F]; + ptr ++; + } +} + +byte* output_wkb_point(byte* geom){ + if ( lwgi ){ + write_wkb_bytes(geom,dims*4); + return geom + (4*dims); + } + else{ + write_wkb_bytes(geom,dims*8); + return geom + (8*dims); + } +} + +typedef byte* (*outwkbfunc)(byte*); + +void write_wkb_int(int i){ + write_wkb_bytes((byte*)&i,4); +} + +byte* output_wkb_collection(byte* geom,outwkbfunc func){ + int cnt = read_int(&geom); + write_wkb_int(cnt); + while(cnt--) geom=func(geom); + return geom; +} + +byte* output_wkb_collection_2(byte* geom){ + return output_wkb_collection(geom,output_wkb_point); +} + + +byte* output_wkb(byte* geom){ + + int4 type=*geom++; + + dims = ((type & 0x30) >> 4)+2; + + //Skip the bounding box + if ( type & 0x80 ){ + geom+=16; + } + + if ( type & 0x40 ){ + write_str("SRID=");write_int(read_int(&geom));write_str(";"); + } + + type &=0x0f; + + if ( dims==3) + type |=0x80000000; + else if (dims==4) + type |=0x40000000; + + if ( BYTE_ORDER != LITTLE_ENDIAN ){ + byte endian=0; + write_wkb_bytes(&endian,1); + } + else{ + byte endian=1; + write_wkb_bytes(&endian,1); + } + + write_wkb_int(type); + + switch(type & 0x0F){ + case POINTTYPE: + geom=output_wkb_point(geom); + break; + case LINETYPE: + geom = output_wkb_collection(geom,output_wkb_point); + break; + case POLYGONTYPE: + geom = output_wkb_collection(geom,output_wkb_collection_2); + break; + case MULTIPOINTTYPE: + case MULTILINETYPE: + case MULTIPOLYGONTYPE: + case COLLECTIONTYPE: + geom = output_wkb_collection(geom,output_wkb); + break; + + /* + These don't output standard wkb at the moment + the output and integer version. + + however you could run it through the wkt parser + for a lwg and then output that. There should + also be a force_to_real_(lwgi) + */ + case POINTTYPEI: + lwgi++; + geom=output_wkb_point(geom); + lwgi--; + break; + case LINETYPEI: + lwgi++; + geom = output_wkb_collection(geom,output_wkb_point); + lwgi--; + break; + case POLYGONTYPEI: + lwgi++; + geom = output_wkb_collection(geom,output_wkb_collection_2); + lwgi--; + break; + } + return geom; +} + +char* unparse_WKB(byte* lw_geom,allocator alloc,freeor free){ + + if (lw_geom==NULL) + return NULL; + + local_malloc=alloc; + local_free=free; + len = 128; + out_start = out_pos = alloc(len); + lwgi=0; + + output_wkb(lw_geom+4); + ensure(1); + *out_pos=0; + + return out_start; +} + +