/*
******************************************************************************
*
-* Copyright (C) 2000-2013, International Business Machines
+* Copyright (C) 2000-2014, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
-* file name: ucnvmbcs.c
+* file name: ucnvmbcs.cpp
* encoding: US-ASCII
* tab size: 8 (not used)
* indentation:4
#include "ucnv_cnv.h"
#include "cmemory.h"
#include "cstring.h"
-#include "cmutex.h"
+#include "umutex.h"
+
+#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
/* control optimizations according to the platform */
#define MBCS_UNROLL_SINGLE_TO_BMP 1
* adding new ones without crashing an unaware converter
*/
-static const UConverterImpl _SBCSUTF8Impl;
-static const UConverterImpl _DBCSUTF8Impl;
+/**
+ * Callback from ucnv_MBCSEnumToUnicode(), takes 32 mappings from
+ * consecutive sequences of bytes, starting from the one encoded in value,
+ * to Unicode code points. (Multiple mappings to reduce per-function call overhead.)
+ * Does not currently support m:n mappings or reverse fallbacks.
+ * This function will not be called for sequences of bytes with leading zeros.
+ *
+ * @param context an opaque pointer, as passed into ucnv_MBCSEnumToUnicode()
+ * @param value contains 1..4 bytes of the first byte sequence, right-aligned
+ * @param codePoints resulting Unicode code points, or negative if a byte sequence does
+ * not map to anything
+ * @return TRUE to continue enumeration, FALSE to stop
+ */
+typedef UBool U_CALLCONV
+UConverterEnumToUCallback(const void *context, uint32_t value, UChar32 codePoints[32]);
+
+static void
+ucnv_MBCSLoad(UConverterSharedData *sharedData,
+ UConverterLoadArgs *pArgs,
+ const uint8_t *raw,
+ UErrorCode *pErrorCode);
+
+static void
+ucnv_MBCSUnload(UConverterSharedData *sharedData);
+
+static void
+ucnv_MBCSOpen(UConverter *cnv,
+ UConverterLoadArgs *pArgs,
+ UErrorCode *pErrorCode);
+
+static UChar32
+ucnv_MBCSGetNextUChar(UConverterToUnicodeArgs *pArgs,
+ UErrorCode *pErrorCode);
+
+static void
+ucnv_MBCSGetStarters(const UConverter* cnv,
+ UBool starters[256],
+ UErrorCode *pErrorCode);
+
+static const char *
+ucnv_MBCSGetName(const UConverter *cnv);
+
+static void
+ucnv_MBCSWriteSub(UConverterFromUnicodeArgs *pArgs,
+ int32_t offsetIndex,
+ UErrorCode *pErrorCode);
+
+static UChar32
+ucnv_MBCSGetNextUChar(UConverterToUnicodeArgs *pArgs,
+ UErrorCode *pErrorCode);
+
+static void
+ucnv_SBCSFromUTF8(UConverterFromUnicodeArgs *pFromUArgs,
+ UConverterToUnicodeArgs *pToUArgs,
+ UErrorCode *pErrorCode);
+
+static void
+ucnv_MBCSGetUnicodeSet(const UConverter *cnv,
+ const USetAdder *sa,
+ UConverterUnicodeSet which,
+ UErrorCode *pErrorCode);
+
+static void
+ucnv_DBCSFromUTF8(UConverterFromUnicodeArgs *pFromUArgs,
+ UConverterToUnicodeArgs *pToUArgs,
+ UErrorCode *pErrorCode);
+
+static const UConverterImpl _SBCSUTF8Impl={
+ UCNV_MBCS,
+
+ ucnv_MBCSLoad,
+ ucnv_MBCSUnload,
+
+ ucnv_MBCSOpen,
+ NULL,
+ NULL,
+
+ ucnv_MBCSToUnicodeWithOffsets,
+ ucnv_MBCSToUnicodeWithOffsets,
+ ucnv_MBCSFromUnicodeWithOffsets,
+ ucnv_MBCSFromUnicodeWithOffsets,
+ ucnv_MBCSGetNextUChar,
+
+ ucnv_MBCSGetStarters,
+ ucnv_MBCSGetName,
+ ucnv_MBCSWriteSub,
+ NULL,
+ ucnv_MBCSGetUnicodeSet,
+
+ NULL,
+ ucnv_SBCSFromUTF8
+};
+
+static const UConverterImpl _DBCSUTF8Impl={
+ UCNV_MBCS,
+
+ ucnv_MBCSLoad,
+ ucnv_MBCSUnload,
+
+ ucnv_MBCSOpen,
+ NULL,
+ NULL,
+
+ ucnv_MBCSToUnicodeWithOffsets,
+ ucnv_MBCSToUnicodeWithOffsets,
+ ucnv_MBCSFromUnicodeWithOffsets,
+ ucnv_MBCSFromUnicodeWithOffsets,
+ ucnv_MBCSGetNextUChar,
+
+ ucnv_MBCSGetStarters,
+ ucnv_MBCSGetName,
+ ucnv_MBCSWriteSub,
+ NULL,
+ ucnv_MBCSGetUnicodeSet,
+
+ NULL,
+ ucnv_DBCSFromUTF8
+};
+
+static const UConverterImpl _MBCSImpl={
+ UCNV_MBCS,
+
+ ucnv_MBCSLoad,
+ ucnv_MBCSUnload,
+
+ ucnv_MBCSOpen,
+ NULL,
+ NULL,
+
+ ucnv_MBCSToUnicodeWithOffsets,
+ ucnv_MBCSToUnicodeWithOffsets,
+ ucnv_MBCSFromUnicodeWithOffsets,
+ ucnv_MBCSFromUnicodeWithOffsets,
+ ucnv_MBCSGetNextUChar,
+
+ ucnv_MBCSGetStarters,
+ ucnv_MBCSGetName,
+ ucnv_MBCSWriteSub,
+ NULL,
+ ucnv_MBCSGetUnicodeSet,
+ NULL,
+ NULL
+};
+
+
+/* Static data is in tools/makeconv/ucnvstat.c for data-based
+ * converters. Be sure to update it as well.
+ */
+
+const UConverterSharedData _MBCSData={
+ sizeof(UConverterSharedData), 1,
+ NULL, NULL, NULL, FALSE, &_MBCSImpl,
+ 0, {}
+};
+
/* GB 18030 data ------------------------------------------------------------ */
/* Miscellaneous ------------------------------------------------------------ */
-/**
- * Callback from ucnv_MBCSEnumToUnicode(), takes 32 mappings from
- * consecutive sequences of bytes, starting from the one encoded in value,
- * to Unicode code points. (Multiple mappings to reduce per-function call overhead.)
- * Does not currently support m:n mappings or reverse fallbacks.
- * This function will not be called for sequences of bytes with leading zeros.
- *
- * @param context an opaque pointer, as passed into ucnv_MBCSEnumToUnicode()
- * @param value contains 1..4 bytes of the first byte sequence, right-aligned
- * @param codePoints resulting Unicode code points, or negative if a byte sequence does
- * not map to anything
- * @return TRUE to continue enumeration, FALSE to stop
- */
-typedef UBool U_CALLCONV
-UConverterEnumToUCallback(const void *context, uint32_t value, UChar32 codePoints[32]);
-
/* similar to ucnv_MBCSGetNextUChar() but recursive */
static UBool
enumToU(UConverterMBCSTable *mbcsTable, int8_t stateProps[],
int32_t i;
range=gb18030Ranges[0];
- for(i=0; i<sizeof(gb18030Ranges)/sizeof(gb18030Ranges[0]); range+=4, ++i) {
+ for(i=0; i<LENGTHOF(gb18030Ranges); range+=4, ++i) {
if(range[0]<=(uint32_t)cp && (uint32_t)cp<=range[1]) {
/* found the Unicode code point, output the four-byte sequence for it */
uint32_t linear;
linear=LINEAR_18030(cnv->toUBytes[0], cnv->toUBytes[1], cnv->toUBytes[2], cnv->toUBytes[3]);
range=gb18030Ranges[0];
- for(i=0; i<sizeof(gb18030Ranges)/sizeof(gb18030Ranges[0]); range+=4, ++i) {
+ for(i=0; i<LENGTHOF(gb18030Ranges); range+=4, ++i) {
if(range[2]<=linear && linear<=range[3]) {
/* found the sequence, output the Unicode code point for it */
*pErrorCode=U_ZERO_ERROR;
}
if(mbcsTable->outputType==MBCS_OUTPUT_EXT_ONLY) {
- UConverterLoadArgs args={ 0 };
+ UConverterLoadArgs args={};
UConverterSharedData *baseSharedData;
const int32_t *extIndexes;
const char *baseName;
static void
ucnv_MBCSGetStarters(const UConverter* cnv,
UBool starters[256],
- UErrorCode *pErrorCode) {
+ UErrorCode *) {
const int32_t *state0;
int i;
return (UConverterType)UCNV_MBCS;
}
-static const UConverterImpl _SBCSUTF8Impl={
- UCNV_MBCS,
-
- ucnv_MBCSLoad,
- ucnv_MBCSUnload,
-
- ucnv_MBCSOpen,
- NULL,
- NULL,
-
- ucnv_MBCSToUnicodeWithOffsets,
- ucnv_MBCSToUnicodeWithOffsets,
- ucnv_MBCSFromUnicodeWithOffsets,
- ucnv_MBCSFromUnicodeWithOffsets,
- ucnv_MBCSGetNextUChar,
-
- ucnv_MBCSGetStarters,
- ucnv_MBCSGetName,
- ucnv_MBCSWriteSub,
- NULL,
- ucnv_MBCSGetUnicodeSet,
-
- NULL,
- ucnv_SBCSFromUTF8
-};
-
-static const UConverterImpl _DBCSUTF8Impl={
- UCNV_MBCS,
-
- ucnv_MBCSLoad,
- ucnv_MBCSUnload,
-
- ucnv_MBCSOpen,
- NULL,
- NULL,
-
- ucnv_MBCSToUnicodeWithOffsets,
- ucnv_MBCSToUnicodeWithOffsets,
- ucnv_MBCSFromUnicodeWithOffsets,
- ucnv_MBCSFromUnicodeWithOffsets,
- ucnv_MBCSGetNextUChar,
-
- ucnv_MBCSGetStarters,
- ucnv_MBCSGetName,
- ucnv_MBCSWriteSub,
- NULL,
- ucnv_MBCSGetUnicodeSet,
-
- NULL,
- ucnv_DBCSFromUTF8
-};
-
-static const UConverterImpl _MBCSImpl={
- UCNV_MBCS,
-
- ucnv_MBCSLoad,
- ucnv_MBCSUnload,
-
- ucnv_MBCSOpen,
- NULL,
- NULL,
-
- ucnv_MBCSToUnicodeWithOffsets,
- ucnv_MBCSToUnicodeWithOffsets,
- ucnv_MBCSFromUnicodeWithOffsets,
- ucnv_MBCSFromUnicodeWithOffsets,
- ucnv_MBCSGetNextUChar,
-
- ucnv_MBCSGetStarters,
- ucnv_MBCSGetName,
- ucnv_MBCSWriteSub,
- NULL,
- ucnv_MBCSGetUnicodeSet
-};
-
-
-/* Static data is in tools/makeconv/ucnvstat.c for data-based
- * converters. Be sure to update it as well.
- */
-
-const UConverterSharedData _MBCSData={
- sizeof(UConverterSharedData), 1,
- NULL, NULL, NULL, FALSE, &_MBCSImpl,
- 0
-};
-
#endif /* #if !UCONFIG_NO_LEGACY_CONVERSION */
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