+++ /dev/null
-/*
- Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
-
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
-
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
-*/
-
-#ifndef cJSON__h
-#define cJSON__h
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-/* project version */
-#define CJSON_VERSION_MAJOR 1
-#define CJSON_VERSION_MINOR 6
-#define CJSON_VERSION_PATCH 0
-
-#include <stddef.h>
-
-/* cJSON Types: */
-#define cJSON_Invalid (0)
-#define cJSON_False (1 << 0)
-#define cJSON_True (1 << 1)
-#define cJSON_NULL (1 << 2)
-#define cJSON_Number (1 << 3)
-#define cJSON_String (1 << 4)
-#define cJSON_Array (1 << 5)
-#define cJSON_Object (1 << 6)
-#define cJSON_Raw (1 << 7) /* raw json */
-
-#define cJSON_IsReference 256
-#define cJSON_StringIsConst 512
-
-/* The cJSON structure: */
-typedef struct cJSON
-{
- /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */
- struct cJSON *next;
- struct cJSON *prev;
- /* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */
- struct cJSON *child;
-
- /* The type of the item, as above. */
- int type;
-
- /* The item's string, if type==cJSON_String and type == cJSON_Raw */
- char *valuestring;
- /* writing to valueint is DEPRECATED, use cJSON_SetNumberValue instead */
- int valueint;
- /* The item's number, if type==cJSON_Number */
- double valuedouble;
-
- /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
- char *string;
-} cJSON;
-
-typedef struct cJSON_Hooks
-{
- void *(*malloc_fn)(size_t sz);
- void (*free_fn)(void *ptr);
-} cJSON_Hooks;
-
-typedef int cJSON_bool;
-
-#if !defined(__WINDOWS__) && (defined(WIN32) || defined(WIN64) || defined(_MSC_VER) || defined(_WIN32))
-#define __WINDOWS__
-#endif
-#ifdef __WINDOWS__
-
-/* When compiling for windows, we specify a specific calling convention to avoid issues where we are being called from a project with a different default calling convention. For windows you have 2 define options:
-
-CJSON_HIDE_SYMBOLS - Define this in the case where you don't want to ever dllexport symbols
-CJSON_EXPORT_SYMBOLS - Define this on library build when you want to dllexport symbols (default)
-CJSON_IMPORT_SYMBOLS - Define this if you want to dllimport symbol
-
-For *nix builds that support visibility attribute, you can define similar behavior by
-
-setting default visibility to hidden by adding
--fvisibility=hidden (for gcc)
-or
--xldscope=hidden (for sun cc)
-to CFLAGS
-
-then using the CJSON_API_VISIBILITY flag to "export" the same symbols the way CJSON_EXPORT_SYMBOLS does
-
-*/
-
-/* export symbols by default, this is necessary for copy pasting the C and header file */
-#if !defined(CJSON_HIDE_SYMBOLS) && !defined(CJSON_IMPORT_SYMBOLS) && !defined(CJSON_EXPORT_SYMBOLS)
-#define CJSON_EXPORT_SYMBOLS
-#endif
-
-#if defined(CJSON_HIDE_SYMBOLS)
-#define CJSON_PUBLIC(type) type __stdcall
-#elif defined(CJSON_EXPORT_SYMBOLS)
-#define CJSON_PUBLIC(type) __declspec(dllexport) type __stdcall
-#elif defined(CJSON_IMPORT_SYMBOLS)
-#define CJSON_PUBLIC(type) __declspec(dllimport) type __stdcall
-#endif
-#else /* !WIN32 */
-#if (defined(__GNUC__) || defined(__SUNPRO_CC) || defined (__SUNPRO_C)) && defined(CJSON_API_VISIBILITY)
-#define CJSON_PUBLIC(type) __attribute__((visibility("default"))) type
-#else
-#define CJSON_PUBLIC(type) type
-#endif
-#endif
-
-/* Limits how deeply nested arrays/objects can be before cJSON rejects to parse them.
- * This is to prevent stack overflows. */
-#ifndef CJSON_NESTING_LIMIT
-#define CJSON_NESTING_LIMIT 1000
-#endif
-
-/* returns the version of cJSON as a string */
-CJSON_PUBLIC(const char*) cJSON_Version(void);
-
-/* Supply malloc, realloc and free functions to cJSON */
-CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks* hooks);
-
-/* Memory Management: the caller is always responsible to free the results from all variants of cJSON_Parse (with cJSON_Delete) and cJSON_Print (with stdlib free, cJSON_Hooks.free_fn, or cJSON_free as appropriate). The exception is cJSON_PrintPreallocated, where the caller has full responsibility of the buffer. */
-/* Supply a block of JSON, and this returns a cJSON object you can interrogate. */
-CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value);
-/* ParseWithOpts allows you to require (and check) that the JSON is null terminated, and to retrieve the pointer to the final byte parsed. */
-/* If you supply a ptr in return_parse_end and parsing fails, then return_parse_end will contain a pointer to the error so will match cJSON_GetErrorPtr(). */
-CJSON_PUBLIC(cJSON *) cJSON_ParseWithOpts(const char *value, const char **return_parse_end, cJSON_bool require_null_terminated);
-
-/* Render a cJSON entity to text for transfer/storage. */
-CJSON_PUBLIC(char *) cJSON_Print(const cJSON *item);
-/* Render a cJSON entity to text for transfer/storage without any formatting. */
-CJSON_PUBLIC(char *) cJSON_PrintUnformatted(const cJSON *item);
-/* Render a cJSON entity to text using a buffered strategy. prebuffer is a guess at the final size. guessing well reduces reallocation. fmt=0 gives unformatted, =1 gives formatted */
-CJSON_PUBLIC(char *) cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON_bool fmt);
-/* Render a cJSON entity to text using a buffer already allocated in memory with given length. Returns 1 on success and 0 on failure. */
-/* NOTE: cJSON is not always 100% accurate in estimating how much memory it will use, so to be safe allocate 5 bytes more than you actually need */
-CJSON_PUBLIC(cJSON_bool) cJSON_PrintPreallocated(cJSON *item, char *buffer, const int length, const cJSON_bool format);
-/* Delete a cJSON entity and all subentities. */
-CJSON_PUBLIC(void) cJSON_Delete(cJSON *c);
-
-/* Returns the number of items in an array (or object). */
-CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array);
-/* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */
-CJSON_PUBLIC(cJSON *) cJSON_GetArrayItem(const cJSON *array, int index);
-/* Get item "string" from object. Case insensitive. */
-CJSON_PUBLIC(cJSON *) cJSON_GetObjectItem(const cJSON * const object, const char * const string);
-CJSON_PUBLIC(cJSON *) cJSON_GetObjectItemCaseSensitive(const cJSON * const object, const char * const string);
-CJSON_PUBLIC(cJSON_bool) cJSON_HasObjectItem(const cJSON *object, const char *string);
-/* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */
-CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void);
-
-/* These functions check the type of an item */
-CJSON_PUBLIC(cJSON_bool) cJSON_IsInvalid(const cJSON * const item);
-CJSON_PUBLIC(cJSON_bool) cJSON_IsFalse(const cJSON * const item);
-CJSON_PUBLIC(cJSON_bool) cJSON_IsTrue(const cJSON * const item);
-CJSON_PUBLIC(cJSON_bool) cJSON_IsBool(const cJSON * const item);
-CJSON_PUBLIC(cJSON_bool) cJSON_IsNull(const cJSON * const item);
-CJSON_PUBLIC(cJSON_bool) cJSON_IsNumber(const cJSON * const item);
-CJSON_PUBLIC(cJSON_bool) cJSON_IsString(const cJSON * const item);
-CJSON_PUBLIC(cJSON_bool) cJSON_IsArray(const cJSON * const item);
-CJSON_PUBLIC(cJSON_bool) cJSON_IsObject(const cJSON * const item);
-CJSON_PUBLIC(cJSON_bool) cJSON_IsRaw(const cJSON * const item);
-
-/* These calls create a cJSON item of the appropriate type. */
-CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void);
-CJSON_PUBLIC(cJSON *) cJSON_CreateTrue(void);
-CJSON_PUBLIC(cJSON *) cJSON_CreateFalse(void);
-CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool boolean);
-CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num);
-CJSON_PUBLIC(cJSON *) cJSON_CreateString(const char *string);
-/* raw json */
-CJSON_PUBLIC(cJSON *) cJSON_CreateRaw(const char *raw);
-CJSON_PUBLIC(cJSON *) cJSON_CreateArray(void);
-CJSON_PUBLIC(cJSON *) cJSON_CreateObject(void);
-
-/* These utilities create an Array of count items. */
-CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count);
-CJSON_PUBLIC(cJSON *) cJSON_CreateFloatArray(const float *numbers, int count);
-CJSON_PUBLIC(cJSON *) cJSON_CreateDoubleArray(const double *numbers, int count);
-CJSON_PUBLIC(cJSON *) cJSON_CreateStringArray(const char **strings, int count);
-
-/* Append item to the specified array/object. */
-CJSON_PUBLIC(void) cJSON_AddItemToArray(cJSON *array, cJSON *item);
-CJSON_PUBLIC(void) cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item);
-/* Use this when string is definitely const (i.e. a literal, or as good as), and will definitely survive the cJSON object.
- * WARNING: When this function was used, make sure to always check that (item->type & cJSON_StringIsConst) is zero before
- * writing to `item->string` */
-CJSON_PUBLIC(void) cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item);
-/* Append reference to item to the specified array/object. Use this when you want to add an existing cJSON to a new cJSON, but don't want to corrupt your existing cJSON. */
-CJSON_PUBLIC(void) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item);
-CJSON_PUBLIC(void) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item);
-
-/* Remove/Detatch items from Arrays/Objects. */
-CJSON_PUBLIC(cJSON *) cJSON_DetachItemViaPointer(cJSON *parent, cJSON * const item);
-CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromArray(cJSON *array, int which);
-CJSON_PUBLIC(void) cJSON_DeleteItemFromArray(cJSON *array, int which);
-CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObject(cJSON *object, const char *string);
-CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObjectCaseSensitive(cJSON *object, const char *string);
-CJSON_PUBLIC(void) cJSON_DeleteItemFromObject(cJSON *object, const char *string);
-CJSON_PUBLIC(void) cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const char *string);
-
-/* Update array items. */
-CJSON_PUBLIC(void) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem); /* Shifts pre-existing items to the right. */
-CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON * const item, cJSON * replacement);
-CJSON_PUBLIC(void) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem);
-CJSON_PUBLIC(void) cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem);
-CJSON_PUBLIC(void) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object,const char *string,cJSON *newitem);
-
-/* Duplicate a cJSON item */
-CJSON_PUBLIC(cJSON *) cJSON_Duplicate(const cJSON *item, cJSON_bool recurse);
-/* Duplicate will create a new, identical cJSON item to the one you pass, in new memory that will
-need to be released. With recurse!=0, it will duplicate any children connected to the item.
-The item->next and ->prev pointers are always zero on return from Duplicate. */
-/* Recursively compare two cJSON items for equality. If either a or b is NULL or invalid, they will be considered unequal.
- * case_sensitive determines if object keys are treated case sensitive (1) or case insensitive (0) */
-CJSON_PUBLIC(cJSON_bool) cJSON_Compare(const cJSON * const a, const cJSON * const b, const cJSON_bool case_sensitive);
-
-
-CJSON_PUBLIC(void) cJSON_Minify(char *json);
-
-/* Macros for creating things quickly. */
-#define cJSON_AddNullToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateNull())
-#define cJSON_AddTrueToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateTrue())
-#define cJSON_AddFalseToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateFalse())
-#define cJSON_AddBoolToObject(object,name,b) cJSON_AddItemToObject(object, name, cJSON_CreateBool(b))
-#define cJSON_AddNumberToObject(object,name,n) cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
-#define cJSON_AddStringToObject(object,name,s) cJSON_AddItemToObject(object, name, cJSON_CreateString(s))
-#define cJSON_AddRawToObject(object,name,s) cJSON_AddItemToObject(object, name, cJSON_CreateRaw(s))
-
-/* When assigning an integer value, it needs to be propagated to valuedouble too. */
-#define cJSON_SetIntValue(object, number) ((object) ? (object)->valueint = (object)->valuedouble = (number) : (number))
-/* helper for the cJSON_SetNumberValue macro */
-CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number);
-#define cJSON_SetNumberValue(object, number) ((object != NULL) ? cJSON_SetNumberHelper(object, (double)number) : (number))
-
-/* Macro for iterating over an array or object */
-#define cJSON_ArrayForEach(element, array) for(element = (array != NULL) ? (array)->child : NULL; element != NULL; element = element->next)
-
-/* malloc/free objects using the malloc/free functions that have been set with cJSON_InitHooks */
-CJSON_PUBLIC(void *) cJSON_malloc(size_t size);
-CJSON_PUBLIC(void) cJSON_free(void *object);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
+++ /dev/null
-/*
- Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
-
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
-
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
-*/
-
-/* cJSON */
-/* JSON parser in C. */
-
-/* disable warnings about old C89 functions in MSVC */
-#if !defined(_CRT_SECURE_NO_DEPRECATE) && defined(_MSC_VER)
-#define _CRT_SECURE_NO_DEPRECATE
-#endif
-
-#ifdef __GNUC__
-#pragma GCC visibility push(default)
-#endif
-#if defined(_MSC_VER)
-#pragma warning (push)
-/* disable warning about single line comments in system headers */
-#pragma warning (disable : 4001)
-#endif
-
-#include <string.h>
-#include <stdio.h>
-#include <math.h>
-#include <stdlib.h>
-#include <float.h>
-#include <limits.h>
-#include <ctype.h>
-
-#ifdef ENABLE_LOCALES
-#include <locale.h>
-#endif
-
-#if defined(_MSC_VER)
-#pragma warning (pop)
-#endif
-#ifdef __GNUC__
-#pragma GCC visibility pop
-#endif
-
-#include "cJSON.h"
-
-/* define our own boolean type */
-#define true ((cJSON_bool)1)
-#define false ((cJSON_bool)0)
-
-typedef struct {
- const unsigned char *json;
- size_t position;
-} error;
-static error global_error = { NULL, 0 };
-
-CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void)
-{
- return (const char*) (global_error.json + global_error.position);
-}
-
-/* This is a safeguard to prevent copy-pasters from using incompatible C and header files */
-#if (CJSON_VERSION_MAJOR != 1) || (CJSON_VERSION_MINOR != 6) || (CJSON_VERSION_PATCH != 0)
- #error cJSON.h and cJSON.c have different versions. Make sure that both have the same.
-#endif
-
-CJSON_PUBLIC(const char*) cJSON_Version(void)
-{
- static char version[15];
- sprintf(version, "%i.%i.%i", CJSON_VERSION_MAJOR, CJSON_VERSION_MINOR, CJSON_VERSION_PATCH);
-
- return version;
-}
-
-/* Case insensitive string comparison, doesn't consider two NULL pointers equal though */
-static int case_insensitive_strcmp(const unsigned char *string1, const unsigned char *string2)
-{
- if ((string1 == NULL) || (string2 == NULL))
- {
- return 1;
- }
-
- if (string1 == string2)
- {
- return 0;
- }
-
- for(; tolower(*string1) == tolower(*string2); (void)string1++, string2++)
- {
- if (*string1 == '\0')
- {
- return 0;
- }
- }
-
- return tolower(*string1) - tolower(*string2);
-}
-
-typedef struct internal_hooks
-{
- void *(*allocate)(size_t size);
- void (*deallocate)(void *pointer);
- void *(*reallocate)(void *pointer, size_t size);
-} internal_hooks;
-
-#if defined(_MSC_VER)
-/* work around MSVC error C2322: '...' address of dillimport '...' is not static */
-static void *internal_malloc(size_t size)
-{
- return malloc(size);
-}
-static void internal_free(void *pointer)
-{
- free(pointer);
-}
-static void *internal_realloc(void *pointer, size_t size)
-{
- return realloc(pointer, size);
-}
-#else
-#define internal_malloc malloc
-#define internal_free free
-#define internal_realloc realloc
-#endif
-
-static internal_hooks global_hooks = { internal_malloc, internal_free, internal_realloc };
-
-static unsigned char* cJSON_strdup(const unsigned char* string, const internal_hooks * const hooks)
-{
- size_t length = 0;
- unsigned char *copy = NULL;
-
- if (string == NULL)
- {
- return NULL;
- }
-
- length = strlen((const char*)string) + sizeof("");
- copy = (unsigned char*)hooks->allocate(length);
- if (copy == NULL)
- {
- return NULL;
- }
- memcpy(copy, string, length);
-
- return copy;
-}
-
-CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks* hooks)
-{
- if (hooks == NULL)
- {
- /* Reset hooks */
- global_hooks.allocate = malloc;
- global_hooks.deallocate = free;
- global_hooks.reallocate = realloc;
- return;
- }
-
- global_hooks.allocate = malloc;
- if (hooks->malloc_fn != NULL)
- {
- global_hooks.allocate = hooks->malloc_fn;
- }
-
- global_hooks.deallocate = free;
- if (hooks->free_fn != NULL)
- {
- global_hooks.deallocate = hooks->free_fn;
- }
-
- /* use realloc only if both free and malloc are used */
- global_hooks.reallocate = NULL;
- if ((global_hooks.allocate == malloc) && (global_hooks.deallocate == free))
- {
- global_hooks.reallocate = realloc;
- }
-}
-
-/* Internal constructor. */
-static cJSON *cJSON_New_Item(const internal_hooks * const hooks)
-{
- cJSON* node = (cJSON*)hooks->allocate(sizeof(cJSON));
- if (node)
- {
- memset(node, '\0', sizeof(cJSON));
- }
-
- return node;
-}
-
-/* Delete a cJSON structure. */
-CJSON_PUBLIC(void) cJSON_Delete(cJSON *item)
-{
- cJSON *next = NULL;
- while (item != NULL)
- {
- next = item->next;
- if (!(item->type & cJSON_IsReference) && (item->child != NULL))
- {
- cJSON_Delete(item->child);
- }
- if (!(item->type & cJSON_IsReference) && (item->valuestring != NULL))
- {
- global_hooks.deallocate(item->valuestring);
- }
- if (!(item->type & cJSON_StringIsConst) && (item->string != NULL))
- {
- global_hooks.deallocate(item->string);
- }
- global_hooks.deallocate(item);
- item = next;
- }
-}
-
-/* get the decimal point character of the current locale */
-static unsigned char get_decimal_point(void)
-{
-#ifdef ENABLE_LOCALES
- struct lconv *lconv = localeconv();
- return (unsigned char) lconv->decimal_point[0];
-#else
- return '.';
-#endif
-}
-
-typedef struct
-{
- const unsigned char *content;
- size_t length;
- size_t offset;
- size_t depth; /* How deeply nested (in arrays/objects) is the input at the current offset. */
- internal_hooks hooks;
-} parse_buffer;
-
-/* check if the given size is left to read in a given parse buffer (starting with 1) */
-#define can_read(buffer, size) ((buffer != NULL) && (((buffer)->offset + size) <= (buffer)->length))
-/* check if the buffer can be accessed at the given index (starting with 0) */
-#define can_access_at_index(buffer, index) ((buffer != NULL) && (((buffer)->offset + index) < (buffer)->length))
-#define cannot_access_at_index(buffer, index) (!can_access_at_index(buffer, index))
-/* get a pointer to the buffer at the position */
-#define buffer_at_offset(buffer) ((buffer)->content + (buffer)->offset)
-
-/* Parse the input text to generate a number, and populate the result into item. */
-static cJSON_bool parse_number(cJSON * const item, parse_buffer * const input_buffer)
-{
- double number = 0;
- unsigned char *after_end = NULL;
- unsigned char number_c_string[64];
- unsigned char decimal_point = get_decimal_point();
- size_t i = 0;
-
- if ((input_buffer == NULL) || (input_buffer->content == NULL))
- {
- return false;
- }
-
- /* copy the number into a temporary buffer and replace '.' with the decimal point
- * of the current locale (for strtod)
- * This also takes care of '\0' not necessarily being available for marking the end of the input */
- for (i = 0; (i < (sizeof(number_c_string) - 1)) && can_access_at_index(input_buffer, i); i++)
- {
- switch (buffer_at_offset(input_buffer)[i])
- {
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- case '+':
- case '-':
- case 'e':
- case 'E':
- number_c_string[i] = buffer_at_offset(input_buffer)[i];
- break;
-
- case '.':
- number_c_string[i] = decimal_point;
- break;
-
- default:
- goto loop_end;
- }
- }
-loop_end:
- number_c_string[i] = '\0';
-
- number = strtod((const char*)number_c_string, (char**)&after_end);
- if (number_c_string == after_end)
- {
- return false; /* parse_error */
- }
-
- item->valuedouble = number;
-
- /* use saturation in case of overflow */
- if (number >= INT_MAX)
- {
- item->valueint = INT_MAX;
- }
- else if (number <= INT_MIN)
- {
- item->valueint = INT_MIN;
- }
- else
- {
- item->valueint = (int)number;
- }
-
- item->type = cJSON_Number;
-
- input_buffer->offset += (size_t)(after_end - number_c_string);
- return true;
-}
-
-/* don't ask me, but the original cJSON_SetNumberValue returns an integer or double */
-CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number)
-{
- if (number >= INT_MAX)
- {
- object->valueint = INT_MAX;
- }
- else if (number <= INT_MIN)
- {
- object->valueint = INT_MIN;
- }
- else
- {
- object->valueint = (int)number;
- }
-
- return object->valuedouble = number;
-}
-
-typedef struct
-{
- unsigned char *buffer;
- size_t length;
- size_t offset;
- size_t depth; /* current nesting depth (for formatted printing) */
- cJSON_bool noalloc;
- cJSON_bool format; /* is this print a formatted print */
- internal_hooks hooks;
-} printbuffer;
-
-/* realloc printbuffer if necessary to have at least "needed" bytes more */
-static unsigned char* ensure(printbuffer * const p, size_t needed)
-{
- unsigned char *newbuffer = NULL;
- size_t newsize = 0;
-
- if ((p == NULL) || (p->buffer == NULL))
- {
- return NULL;
- }
-
- if ((p->length > 0) && (p->offset >= p->length))
- {
- /* make sure that offset is valid */
- return NULL;
- }
-
- if (needed > INT_MAX)
- {
- /* sizes bigger than INT_MAX are currently not supported */
- return NULL;
- }
-
- needed += p->offset + 1;
- if (needed <= p->length)
- {
- return p->buffer + p->offset;
- }
-
- if (p->noalloc) {
- return NULL;
- }
-
- /* calculate new buffer size */
- if (needed > (INT_MAX / 2))
- {
- /* overflow of int, use INT_MAX if possible */
- if (needed <= INT_MAX)
- {
- newsize = INT_MAX;
- }
- else
- {
- return NULL;
- }
- }
- else
- {
- newsize = needed * 2;
- }
-
- if (p->hooks.reallocate != NULL)
- {
- /* reallocate with realloc if available */
- newbuffer = (unsigned char*)p->hooks.reallocate(p->buffer, newsize);
- if (newbuffer == NULL)
- {
- p->hooks.deallocate(p->buffer);
- p->length = 0;
- p->buffer = NULL;
-
- return NULL;
- }
- }
- else
- {
- /* otherwise reallocate manually */
- newbuffer = (unsigned char*)p->hooks.allocate(newsize);
- if (!newbuffer)
- {
- p->hooks.deallocate(p->buffer);
- p->length = 0;
- p->buffer = NULL;
-
- return NULL;
- }
- if (newbuffer)
- {
- memcpy(newbuffer, p->buffer, p->offset + 1);
- }
- p->hooks.deallocate(p->buffer);
- }
- p->length = newsize;
- p->buffer = newbuffer;
-
- return newbuffer + p->offset;
-}
-
-/* calculate the new length of the string in a printbuffer and update the offset */
-static void update_offset(printbuffer * const buffer)
-{
- const unsigned char *buffer_pointer = NULL;
- if ((buffer == NULL) || (buffer->buffer == NULL))
- {
- return;
- }
- buffer_pointer = buffer->buffer + buffer->offset;
-
- buffer->offset += strlen((const char*)buffer_pointer);
-}
-
-/* Render the number nicely from the given item into a string. */
-static cJSON_bool print_number(const cJSON * const item, printbuffer * const output_buffer)
-{
- unsigned char *output_pointer = NULL;
- double d = item->valuedouble;
- int length = 0;
- size_t i = 0;
- unsigned char number_buffer[26]; /* temporary buffer to print the number into */
- unsigned char decimal_point = get_decimal_point();
- double test;
-
- if (output_buffer == NULL)
- {
- return false;
- }
-
- /* This checks for NaN and Infinity */
- if ((d * 0) != 0)
- {
- length = sprintf((char*)number_buffer, "null");
- }
- else
- {
- /* Try 15 decimal places of precision to avoid nonsignificant nonzero digits */
- length = sprintf((char*)number_buffer, "%1.15g", d);
-
- /* Check whether the original double can be recovered */
- if ((sscanf((char*)number_buffer, "%lg", &test) != 1) || ((double)test != d))
- {
- /* If not, print with 17 decimal places of precision */
- length = sprintf((char*)number_buffer, "%1.17g", d);
- }
- }
-
- /* sprintf failed or buffer overrun occured */
- if ((length < 0) || (length > (int)(sizeof(number_buffer) - 1)))
- {
- return false;
- }
-
- /* reserve appropriate space in the output */
- output_pointer = ensure(output_buffer, (size_t)length);
- if (output_pointer == NULL)
- {
- return false;
- }
-
- /* copy the printed number to the output and replace locale
- * dependent decimal point with '.' */
- for (i = 0; i < ((size_t)length); i++)
- {
- if (number_buffer[i] == decimal_point)
- {
- output_pointer[i] = '.';
- continue;
- }
-
- output_pointer[i] = number_buffer[i];
- }
- output_pointer[i] = '\0';
-
- output_buffer->offset += (size_t)length;
-
- return true;
-}
-
-/* parse 4 digit hexadecimal number */
-static unsigned parse_hex4(const unsigned char * const input)
-{
- unsigned int h = 0;
- size_t i = 0;
-
- for (i = 0; i < 4; i++)
- {
- /* parse digit */
- if ((input[i] >= '0') && (input[i] <= '9'))
- {
- h += (unsigned int) input[i] - '0';
- }
- else if ((input[i] >= 'A') && (input[i] <= 'F'))
- {
- h += (unsigned int) 10 + input[i] - 'A';
- }
- else if ((input[i] >= 'a') && (input[i] <= 'f'))
- {
- h += (unsigned int) 10 + input[i] - 'a';
- }
- else /* invalid */
- {
- return 0;
- }
-
- if (i < 3)
- {
- /* shift left to make place for the next nibble */
- h = h << 4;
- }
- }
-
- return h;
-}
-
-/* converts a UTF-16 literal to UTF-8
- * A literal can be one or two sequences of the form \uXXXX */
-static unsigned char utf16_literal_to_utf8(const unsigned char * const input_pointer, const unsigned char * const input_end, unsigned char **output_pointer)
-{
- long unsigned int codepoint = 0;
- unsigned int first_code = 0;
- const unsigned char *first_sequence = input_pointer;
- unsigned char utf8_length = 0;
- unsigned char utf8_position = 0;
- unsigned char sequence_length = 0;
- unsigned char first_byte_mark = 0;
-
- if ((input_end - first_sequence) < 6)
- {
- /* input ends unexpectedly */
- goto fail;
- }
-
- /* get the first utf16 sequence */
- first_code = parse_hex4(first_sequence + 2);
-
- /* check that the code is valid */
- if (((first_code >= 0xDC00) && (first_code <= 0xDFFF)))
- {
- goto fail;
- }
-
- /* UTF16 surrogate pair */
- if ((first_code >= 0xD800) && (first_code <= 0xDBFF))
- {
- const unsigned char *second_sequence = first_sequence + 6;
- unsigned int second_code = 0;
- sequence_length = 12; /* \uXXXX\uXXXX */
-
- if ((input_end - second_sequence) < 6)
- {
- /* input ends unexpectedly */
- goto fail;
- }
-
- if ((second_sequence[0] != '\\') || (second_sequence[1] != 'u'))
- {
- /* missing second half of the surrogate pair */
- goto fail;
- }
-
- /* get the second utf16 sequence */
- second_code = parse_hex4(second_sequence + 2);
- /* check that the code is valid */
- if ((second_code < 0xDC00) || (second_code > 0xDFFF))
- {
- /* invalid second half of the surrogate pair */
- goto fail;
- }
-
-
- /* calculate the unicode codepoint from the surrogate pair */
- codepoint = 0x10000 + (((first_code & 0x3FF) << 10) | (second_code & 0x3FF));
- }
- else
- {
- sequence_length = 6; /* \uXXXX */
- codepoint = first_code;
- }
-
- /* encode as UTF-8
- * takes at maximum 4 bytes to encode:
- * 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
- if (codepoint < 0x80)
- {
- /* normal ascii, encoding 0xxxxxxx */
- utf8_length = 1;
- }
- else if (codepoint < 0x800)
- {
- /* two bytes, encoding 110xxxxx 10xxxxxx */
- utf8_length = 2;
- first_byte_mark = 0xC0; /* 11000000 */
- }
- else if (codepoint < 0x10000)
- {
- /* three bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx */
- utf8_length = 3;
- first_byte_mark = 0xE0; /* 11100000 */
- }
- else if (codepoint <= 0x10FFFF)
- {
- /* four bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx 10xxxxxx */
- utf8_length = 4;
- first_byte_mark = 0xF0; /* 11110000 */
- }
- else
- {
- /* invalid unicode codepoint */
- goto fail;
- }
-
- /* encode as utf8 */
- for (utf8_position = (unsigned char)(utf8_length - 1); utf8_position > 0; utf8_position--)
- {
- /* 10xxxxxx */
- (*output_pointer)[utf8_position] = (unsigned char)((codepoint | 0x80) & 0xBF);
- codepoint >>= 6;
- }
- /* encode first byte */
- if (utf8_length > 1)
- {
- (*output_pointer)[0] = (unsigned char)((codepoint | first_byte_mark) & 0xFF);
- }
- else
- {
- (*output_pointer)[0] = (unsigned char)(codepoint & 0x7F);
- }
-
- *output_pointer += utf8_length;
-
- return sequence_length;
-
-fail:
- return 0;
-}
-
-/* Parse the input text into an unescaped cinput, and populate item. */
-static cJSON_bool parse_string(cJSON * const item, parse_buffer * const input_buffer)
-{
- const unsigned char *input_pointer = buffer_at_offset(input_buffer) + 1;
- const unsigned char *input_end = buffer_at_offset(input_buffer) + 1;
- unsigned char *output_pointer = NULL;
- unsigned char *output = NULL;
-
- /* not a string */
- if (buffer_at_offset(input_buffer)[0] != '\"')
- {
- goto fail;
- }
-
- {
- /* calculate approximate size of the output (overestimate) */
- size_t allocation_length = 0;
- size_t skipped_bytes = 0;
- while (((size_t)(input_end - input_buffer->content) < input_buffer->length) && (*input_end != '\"'))
- {
- /* is escape sequence */
- if (input_end[0] == '\\')
- {
- if ((size_t)(input_end + 1 - input_buffer->content) >= input_buffer->length)
- {
- /* prevent buffer overflow when last input character is a backslash */
- goto fail;
- }
- skipped_bytes++;
- input_end++;
- }
- input_end++;
- }
- if (((size_t)(input_end - input_buffer->content) >= input_buffer->length) || (*input_end != '\"'))
- {
- goto fail; /* string ended unexpectedly */
- }
-
- /* This is at most how much we need for the output */
- allocation_length = (size_t) (input_end - buffer_at_offset(input_buffer)) - skipped_bytes;
- output = (unsigned char*)input_buffer->hooks.allocate(allocation_length + sizeof(""));
- if (output == NULL)
- {
- goto fail; /* allocation failure */
- }
- }
-
- output_pointer = output;
- /* loop through the string literal */
- while (input_pointer < input_end)
- {
- if (*input_pointer != '\\')
- {
- *output_pointer++ = *input_pointer++;
- }
- /* escape sequence */
- else
- {
- unsigned char sequence_length = 2;
- if ((input_end - input_pointer) < 1)
- {
- goto fail;
- }
-
- switch (input_pointer[1])
- {
- case 'b':
- *output_pointer++ = '\b';
- break;
- case 'f':
- *output_pointer++ = '\f';
- break;
- case 'n':
- *output_pointer++ = '\n';
- break;
- case 'r':
- *output_pointer++ = '\r';
- break;
- case 't':
- *output_pointer++ = '\t';
- break;
- case '\"':
- case '\\':
- case '/':
- *output_pointer++ = input_pointer[1];
- break;
-
- /* UTF-16 literal */
- case 'u':
- sequence_length = utf16_literal_to_utf8(input_pointer, input_end, &output_pointer);
- if (sequence_length == 0)
- {
- /* failed to convert UTF16-literal to UTF-8 */
- goto fail;
- }
- break;
-
- default:
- goto fail;
- }
- input_pointer += sequence_length;
- }
- }
-
- /* zero terminate the output */
- *output_pointer = '\0';
-
- item->type = cJSON_String;
- item->valuestring = (char*)output;
-
- input_buffer->offset = (size_t) (input_end - input_buffer->content);
- input_buffer->offset++;
-
- return true;
-
-fail:
- if (output != NULL)
- {
- input_buffer->hooks.deallocate(output);
- }
-
- if (input_pointer != NULL)
- {
- input_buffer->offset = (size_t)(input_pointer - input_buffer->content);
- }
-
- return false;
-}
-
-/* Render the cstring provided to an escaped version that can be printed. */
-static cJSON_bool print_string_ptr(const unsigned char * const input, printbuffer * const output_buffer)
-{
- const unsigned char *input_pointer = NULL;
- unsigned char *output = NULL;
- unsigned char *output_pointer = NULL;
- size_t output_length = 0;
- /* numbers of additional characters needed for escaping */
- size_t escape_characters = 0;
-
- if (output_buffer == NULL)
- {
- return false;
- }
-
- /* empty string */
- if (input == NULL)
- {
- output = ensure(output_buffer, sizeof("\"\""));
- if (output == NULL)
- {
- return false;
- }
- strcpy((char*)output, "\"\"");
-
- return true;
- }
-
- /* set "flag" to 1 if something needs to be escaped */
- for (input_pointer = input; *input_pointer; input_pointer++)
- {
- switch (*input_pointer)
- {
- case '\"':
- case '\\':
- case '\b':
- case '\f':
- case '\n':
- case '\r':
- case '\t':
- /* one character escape sequence */
- escape_characters++;
- break;
- default:
- if (*input_pointer < 32)
- {
- /* UTF-16 escape sequence uXXXX */
- escape_characters += 5;
- }
- break;
- }
- }
- output_length = (size_t)(input_pointer - input) + escape_characters;
-
- output = ensure(output_buffer, output_length + sizeof("\"\""));
- if (output == NULL)
- {
- return false;
- }
-
- /* no characters have to be escaped */
- if (escape_characters == 0)
- {
- output[0] = '\"';
- memcpy(output + 1, input, output_length);
- output[output_length + 1] = '\"';
- output[output_length + 2] = '\0';
-
- return true;
- }
-
- output[0] = '\"';
- output_pointer = output + 1;
- /* copy the string */
- for (input_pointer = input; *input_pointer != '\0'; (void)input_pointer++, output_pointer++)
- {
- if ((*input_pointer > 31) && (*input_pointer != '\"') && (*input_pointer != '\\'))
- {
- /* normal character, copy */
- *output_pointer = *input_pointer;
- }
- else
- {
- /* character needs to be escaped */
- *output_pointer++ = '\\';
- switch (*input_pointer)
- {
- case '\\':
- *output_pointer = '\\';
- break;
- case '\"':
- *output_pointer = '\"';
- break;
- case '\b':
- *output_pointer = 'b';
- break;
- case '\f':
- *output_pointer = 'f';
- break;
- case '\n':
- *output_pointer = 'n';
- break;
- case '\r':
- *output_pointer = 'r';
- break;
- case '\t':
- *output_pointer = 't';
- break;
- default:
- /* escape and print as unicode codepoint */
- sprintf((char*)output_pointer, "u%04x", *input_pointer);
- output_pointer += 4;
- break;
- }
- }
- }
- output[output_length + 1] = '\"';
- output[output_length + 2] = '\0';
-
- return true;
-}
-
-/* Invoke print_string_ptr (which is useful) on an item. */
-static cJSON_bool print_string(const cJSON * const item, printbuffer * const p)
-{
- return print_string_ptr((unsigned char*)item->valuestring, p);
-}
-
-/* Predeclare these prototypes. */
-static cJSON_bool parse_value(cJSON * const item, parse_buffer * const input_buffer);
-static cJSON_bool print_value(const cJSON * const item, printbuffer * const output_buffer);
-static cJSON_bool parse_array(cJSON * const item, parse_buffer * const input_buffer);
-static cJSON_bool print_array(const cJSON * const item, printbuffer * const output_buffer);
-static cJSON_bool parse_object(cJSON * const item, parse_buffer * const input_buffer);
-static cJSON_bool print_object(const cJSON * const item, printbuffer * const output_buffer);
-
-/* Utility to jump whitespace and cr/lf */
-static parse_buffer *buffer_skip_whitespace(parse_buffer * const buffer)
-{
- if ((buffer == NULL) || (buffer->content == NULL))
- {
- return NULL;
- }
-
- while (can_access_at_index(buffer, 0) && (buffer_at_offset(buffer)[0] <= 32))
- {
- buffer->offset++;
- }
-
- if (buffer->offset == buffer->length)
- {
- buffer->offset--;
- }
-
- return buffer;
-}
-
-/* skip the UTF-8 BOM (byte order mark) if it is at the beginning of a buffer */
-static parse_buffer *skip_utf8_bom(parse_buffer * const buffer)
-{
- if ((buffer == NULL) || (buffer->content == NULL) || (buffer->offset != 0))
- {
- return NULL;
- }
-
- if (can_access_at_index(buffer, 4) && (strncmp((const char*)buffer_at_offset(buffer), "\xEF\xBB\xBF", 3) == 0))
- {
- buffer->offset += 3;
- }
-
- return buffer;
-}
-
-/* Parse an object - create a new root, and populate. */
-CJSON_PUBLIC(cJSON *) cJSON_ParseWithOpts(const char *value, const char **return_parse_end, cJSON_bool require_null_terminated)
-{
- parse_buffer buffer = { 0, 0, 0, 0, { 0, 0, 0 } };
- cJSON *item = NULL;
-
- /* reset error position */
- global_error.json = NULL;
- global_error.position = 0;
-
- if (value == NULL)
- {
- goto fail;
- }
-
- buffer.content = (const unsigned char*)value;
- buffer.length = strlen((const char*)value) + sizeof("");
- buffer.offset = 0;
- buffer.hooks = global_hooks;
-
- item = cJSON_New_Item(&global_hooks);
- if (item == NULL) /* memory fail */
- {
- goto fail;
- }
-
- if (!parse_value(item, buffer_skip_whitespace(skip_utf8_bom(&buffer))))
- {
- /* parse failure. ep is set. */
- goto fail;
- }
-
- /* if we require null-terminated JSON without appended garbage, skip and then check for a null terminator */
- if (require_null_terminated)
- {
- buffer_skip_whitespace(&buffer);
- if ((buffer.offset >= buffer.length) || buffer_at_offset(&buffer)[0] != '\0')
- {
- goto fail;
- }
- }
- if (return_parse_end)
- {
- *return_parse_end = (const char*)buffer_at_offset(&buffer);
- }
-
- return item;
-
-fail:
- if (item != NULL)
- {
- cJSON_Delete(item);
- }
-
- if (value != NULL)
- {
- error local_error;
- local_error.json = (const unsigned char*)value;
- local_error.position = 0;
-
- if (buffer.offset < buffer.length)
- {
- local_error.position = buffer.offset;
- }
- else if (buffer.length > 0)
- {
- local_error.position = buffer.length - 1;
- }
-
- if (return_parse_end != NULL)
- {
- *return_parse_end = (const char*)local_error.json + local_error.position;
- }
-
- global_error = local_error;
- }
-
- return NULL;
-}
-
-/* Default options for cJSON_Parse */
-CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value)
-{
- return cJSON_ParseWithOpts(value, 0, 0);
-}
-
-#define cjson_min(a, b) ((a < b) ? a : b)
-
-static unsigned char *print(const cJSON * const item, cJSON_bool format, const internal_hooks * const hooks)
-{
- printbuffer buffer[1];
- unsigned char *printed = NULL;
-
- memset(buffer, 0, sizeof(buffer));
-
- /* create buffer */
- buffer->buffer = (unsigned char*) hooks->allocate(256);
- buffer->format = format;
- buffer->hooks = *hooks;
- if (buffer->buffer == NULL)
- {
- goto fail;
- }
-
- /* print the value */
- if (!print_value(item, buffer))
- {
- goto fail;
- }
- update_offset(buffer);
-
- /* check if reallocate is available */
- if (hooks->reallocate != NULL)
- {
- printed = (unsigned char*) hooks->reallocate(buffer->buffer, buffer->length);
- buffer->buffer = NULL;
- if (printed == NULL) {
- goto fail;
- }
- }
- else /* otherwise copy the JSON over to a new buffer */
- {
- printed = (unsigned char*) hooks->allocate(buffer->offset + 1);
- if (printed == NULL)
- {
- goto fail;
- }
- memcpy(printed, buffer->buffer, cjson_min(buffer->length, buffer->offset + 1));
- printed[buffer->offset] = '\0'; /* just to be sure */
-
- /* free the buffer */
- hooks->deallocate(buffer->buffer);
- }
-
- return printed;
-
-fail:
- if (buffer->buffer != NULL)
- {
- hooks->deallocate(buffer->buffer);
- }
-
- if (printed != NULL)
- {
- hooks->deallocate(printed);
- }
-
- return NULL;
-}
-
-/* Render a cJSON item/entity/structure to text. */
-CJSON_PUBLIC(char *) cJSON_Print(const cJSON *item)
-{
- return (char*)print(item, true, &global_hooks);
-}
-
-CJSON_PUBLIC(char *) cJSON_PrintUnformatted(const cJSON *item)
-{
- return (char*)print(item, false, &global_hooks);
-}
-
-CJSON_PUBLIC(char *) cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON_bool fmt)
-{
- printbuffer p = { 0, 0, 0, 0, 0, 0, { 0, 0, 0 } };
-
- if (prebuffer < 0)
- {
- return NULL;
- }
-
- p.buffer = (unsigned char*)global_hooks.allocate((size_t)prebuffer);
- if (!p.buffer)
- {
- return NULL;
- }
-
- p.length = (size_t)prebuffer;
- p.offset = 0;
- p.noalloc = false;
- p.format = fmt;
- p.hooks = global_hooks;
-
- if (!print_value(item, &p))
- {
- global_hooks.deallocate(p.buffer);
- return NULL;
- }
-
- return (char*)p.buffer;
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_PrintPreallocated(cJSON *item, char *buf, const int len, const cJSON_bool fmt)
-{
- printbuffer p = { 0, 0, 0, 0, 0, 0, { 0, 0, 0 } };
-
- if ((len < 0) || (buf == NULL))
- {
- return false;
- }
-
- p.buffer = (unsigned char*)buf;
- p.length = (size_t)len;
- p.offset = 0;
- p.noalloc = true;
- p.format = fmt;
- p.hooks = global_hooks;
-
- return print_value(item, &p);
-}
-
-/* Parser core - when encountering text, process appropriately. */
-static cJSON_bool parse_value(cJSON * const item, parse_buffer * const input_buffer)
-{
- if ((input_buffer == NULL) || (input_buffer->content == NULL))
- {
- return false; /* no input */
- }
-
- /* parse the different types of values */
- /* null */
- if (can_read(input_buffer, 4) && (strncmp((const char*)buffer_at_offset(input_buffer), "null", 4) == 0))
- {
- item->type = cJSON_NULL;
- input_buffer->offset += 4;
- return true;
- }
- /* false */
- if (can_read(input_buffer, 5) && (strncmp((const char*)buffer_at_offset(input_buffer), "false", 5) == 0))
- {
- item->type = cJSON_False;
- input_buffer->offset += 5;
- return true;
- }
- /* true */
- if (can_read(input_buffer, 4) && (strncmp((const char*)buffer_at_offset(input_buffer), "true", 4) == 0))
- {
- item->type = cJSON_True;
- item->valueint = 1;
- input_buffer->offset += 4;
- return true;
- }
- /* string */
- if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '\"'))
- {
- return parse_string(item, input_buffer);
- }
- /* number */
- if (can_access_at_index(input_buffer, 0) && ((buffer_at_offset(input_buffer)[0] == '-') || ((buffer_at_offset(input_buffer)[0] >= '0') && (buffer_at_offset(input_buffer)[0] <= '9'))))
- {
- return parse_number(item, input_buffer);
- }
- /* array */
- if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '['))
- {
- return parse_array(item, input_buffer);
- }
- /* object */
- if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '{'))
- {
- return parse_object(item, input_buffer);
- }
-
- return false;
-}
-
-/* Render a value to text. */
-static cJSON_bool print_value(const cJSON * const item, printbuffer * const output_buffer)
-{
- unsigned char *output = NULL;
-
- if ((item == NULL) || (output_buffer == NULL))
- {
- return false;
- }
-
- switch ((item->type) & 0xFF)
- {
- case cJSON_NULL:
- output = ensure(output_buffer, 5);
- if (output == NULL)
- {
- return false;
- }
- strcpy((char*)output, "null");
- return true;
-
- case cJSON_False:
- output = ensure(output_buffer, 6);
- if (output == NULL)
- {
- return false;
- }
- strcpy((char*)output, "false");
- return true;
-
- case cJSON_True:
- output = ensure(output_buffer, 5);
- if (output == NULL)
- {
- return false;
- }
- strcpy((char*)output, "true");
- return true;
-
- case cJSON_Number:
- return print_number(item, output_buffer);
-
- case cJSON_Raw:
- {
- size_t raw_length = 0;
- if (item->valuestring == NULL)
- {
- if (!output_buffer->noalloc)
- {
- output_buffer->hooks.deallocate(output_buffer->buffer);
- }
- return false;
- }
-
- raw_length = strlen(item->valuestring) + sizeof("");
- output = ensure(output_buffer, raw_length);
- if (output == NULL)
- {
- return false;
- }
- memcpy(output, item->valuestring, raw_length);
- return true;
- }
-
- case cJSON_String:
- return print_string(item, output_buffer);
-
- case cJSON_Array:
- return print_array(item, output_buffer);
-
- case cJSON_Object:
- return print_object(item, output_buffer);
-
- default:
- return false;
- }
-}
-
-/* Build an array from input text. */
-static cJSON_bool parse_array(cJSON * const item, parse_buffer * const input_buffer)
-{
- cJSON *head = NULL; /* head of the linked list */
- cJSON *current_item = NULL;
-
- if (input_buffer->depth >= CJSON_NESTING_LIMIT)
- {
- return false; /* to deeply nested */
- }
- input_buffer->depth++;
-
- if (buffer_at_offset(input_buffer)[0] != '[')
- {
- /* not an array */
- goto fail;
- }
-
- input_buffer->offset++;
- buffer_skip_whitespace(input_buffer);
- if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ']'))
- {
- /* empty array */
- goto success;
- }
-
- /* check if we skipped to the end of the buffer */
- if (cannot_access_at_index(input_buffer, 0))
- {
- input_buffer->offset--;
- goto fail;
- }
-
- /* step back to character in front of the first element */
- input_buffer->offset--;
- /* loop through the comma separated array elements */
- do
- {
- /* allocate next item */
- cJSON *new_item = cJSON_New_Item(&(input_buffer->hooks));
- if (new_item == NULL)
- {
- goto fail; /* allocation failure */
- }
-
- /* attach next item to list */
- if (head == NULL)
- {
- /* start the linked list */
- current_item = head = new_item;
- }
- else
- {
- /* add to the end and advance */
- current_item->next = new_item;
- new_item->prev = current_item;
- current_item = new_item;
- }
-
- /* parse next value */
- input_buffer->offset++;
- buffer_skip_whitespace(input_buffer);
- if (!parse_value(current_item, input_buffer))
- {
- goto fail; /* failed to parse value */
- }
- buffer_skip_whitespace(input_buffer);
- }
- while (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ','));
-
- if (cannot_access_at_index(input_buffer, 0) || buffer_at_offset(input_buffer)[0] != ']')
- {
- goto fail; /* expected end of array */
- }
-
-success:
- input_buffer->depth--;
-
- item->type = cJSON_Array;
- item->child = head;
-
- input_buffer->offset++;
-
- return true;
-
-fail:
- if (head != NULL)
- {
- cJSON_Delete(head);
- }
-
- return false;
-}
-
-/* Render an array to text */
-static cJSON_bool print_array(const cJSON * const item, printbuffer * const output_buffer)
-{
- unsigned char *output_pointer = NULL;
- size_t length = 0;
- cJSON *current_element = item->child;
-
- if (output_buffer == NULL)
- {
- return false;
- }
-
- /* Compose the output array. */
- /* opening square bracket */
- output_pointer = ensure(output_buffer, 1);
- if (output_pointer == NULL)
- {
- return false;
- }
-
- *output_pointer = '[';
- output_buffer->offset++;
- output_buffer->depth++;
-
- while (current_element != NULL)
- {
- if (!print_value(current_element, output_buffer))
- {
- return false;
- }
- update_offset(output_buffer);
- if (current_element->next)
- {
- length = (size_t) (output_buffer->format ? 2 : 1);
- output_pointer = ensure(output_buffer, length + 1);
- if (output_pointer == NULL)
- {
- return false;
- }
- *output_pointer++ = ',';
- if(output_buffer->format)
- {
- *output_pointer++ = ' ';
- }
- *output_pointer = '\0';
- output_buffer->offset += length;
- }
- current_element = current_element->next;
- }
-
- output_pointer = ensure(output_buffer, 2);
- if (output_pointer == NULL)
- {
- return false;
- }
- *output_pointer++ = ']';
- *output_pointer = '\0';
- output_buffer->depth--;
-
- return true;
-}
-
-/* Build an object from the text. */
-static cJSON_bool parse_object(cJSON * const item, parse_buffer * const input_buffer)
-{
- cJSON *head = NULL; /* linked list head */
- cJSON *current_item = NULL;
-
- if (input_buffer->depth >= CJSON_NESTING_LIMIT)
- {
- return false; /* to deeply nested */
- }
- input_buffer->depth++;
-
- if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != '{'))
- {
- goto fail; /* not an object */
- }
-
- input_buffer->offset++;
- buffer_skip_whitespace(input_buffer);
- if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '}'))
- {
- goto success; /* empty object */
- }
-
- /* check if we skipped to the end of the buffer */
- if (cannot_access_at_index(input_buffer, 0))
- {
- input_buffer->offset--;
- goto fail;
- }
-
- /* step back to character in front of the first element */
- input_buffer->offset--;
- /* loop through the comma separated array elements */
- do
- {
- /* allocate next item */
- cJSON *new_item = cJSON_New_Item(&(input_buffer->hooks));
- if (new_item == NULL)
- {
- goto fail; /* allocation failure */
- }
-
- /* attach next item to list */
- if (head == NULL)
- {
- /* start the linked list */
- current_item = head = new_item;
- }
- else
- {
- /* add to the end and advance */
- current_item->next = new_item;
- new_item->prev = current_item;
- current_item = new_item;
- }
-
- /* parse the name of the child */
- input_buffer->offset++;
- buffer_skip_whitespace(input_buffer);
- if (!parse_string(current_item, input_buffer))
- {
- goto fail; /* faile to parse name */
- }
- buffer_skip_whitespace(input_buffer);
-
- /* swap valuestring and string, because we parsed the name */
- current_item->string = current_item->valuestring;
- current_item->valuestring = NULL;
-
- if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != ':'))
- {
- goto fail; /* invalid object */
- }
-
- /* parse the value */
- input_buffer->offset++;
- buffer_skip_whitespace(input_buffer);
- if (!parse_value(current_item, input_buffer))
- {
- goto fail; /* failed to parse value */
- }
- buffer_skip_whitespace(input_buffer);
- }
- while (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ','));
-
- if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != '}'))
- {
- goto fail; /* expected end of object */
- }
-
-success:
- input_buffer->depth--;
-
- item->type = cJSON_Object;
- item->child = head;
-
- input_buffer->offset++;
- return true;
-
-fail:
- if (head != NULL)
- {
- cJSON_Delete(head);
- }
-
- return false;
-}
-
-/* Render an object to text. */
-static cJSON_bool print_object(const cJSON * const item, printbuffer * const output_buffer)
-{
- unsigned char *output_pointer = NULL;
- size_t length = 0;
- cJSON *current_item = item->child;
-
- if (output_buffer == NULL)
- {
- return false;
- }
-
- /* Compose the output: */
- length = (size_t) (output_buffer->format ? 2 : 1); /* fmt: {\n */
- output_pointer = ensure(output_buffer, length + 1);
- if (output_pointer == NULL)
- {
- return false;
- }
-
- *output_pointer++ = '{';
- output_buffer->depth++;
- if (output_buffer->format)
- {
- *output_pointer++ = '\n';
- }
- output_buffer->offset += length;
-
- while (current_item)
- {
- if (output_buffer->format)
- {
- size_t i;
- output_pointer = ensure(output_buffer, output_buffer->depth);
- if (output_pointer == NULL)
- {
- return false;
- }
- for (i = 0; i < output_buffer->depth; i++)
- {
- *output_pointer++ = '\t';
- }
- output_buffer->offset += output_buffer->depth;
- }
-
- /* print key */
- if (!print_string_ptr((unsigned char*)current_item->string, output_buffer))
- {
- return false;
- }
- update_offset(output_buffer);
-
- length = (size_t) (output_buffer->format ? 2 : 1);
- output_pointer = ensure(output_buffer, length);
- if (output_pointer == NULL)
- {
- return false;
- }
- *output_pointer++ = ':';
- if (output_buffer->format)
- {
- *output_pointer++ = '\t';
- }
- output_buffer->offset += length;
-
- /* print value */
- if (!print_value(current_item, output_buffer))
- {
- return false;
- }
- update_offset(output_buffer);
-
- /* print comma if not last */
- length = (size_t) ((output_buffer->format ? 1 : 0) + (current_item->next ? 1 : 0));
- output_pointer = ensure(output_buffer, length + 1);
- if (output_pointer == NULL)
- {
- return false;
- }
- if (current_item->next)
- {
- *output_pointer++ = ',';
- }
-
- if (output_buffer->format)
- {
- *output_pointer++ = '\n';
- }
- *output_pointer = '\0';
- output_buffer->offset += length;
-
- current_item = current_item->next;
- }
-
- output_pointer = ensure(output_buffer, output_buffer->format ? (output_buffer->depth + 1) : 2);
- if (output_pointer == NULL)
- {
- return false;
- }
- if (output_buffer->format)
- {
- size_t i;
- for (i = 0; i < (output_buffer->depth - 1); i++)
- {
- *output_pointer++ = '\t';
- }
- }
- *output_pointer++ = '}';
- *output_pointer = '\0';
- output_buffer->depth--;
-
- return true;
-}
-
-/* Get Array size/item / object item. */
-CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array)
-{
- cJSON *child = NULL;
- size_t size = 0;
-
- if (array == NULL)
- {
- return 0;
- }
-
- child = array->child;
-
- while(child != NULL)
- {
- size++;
- child = child->next;
- }
-
- /* FIXME: Can overflow here. Cannot be fixed without breaking the API */
-
- return (int)size;
-}
-
-static cJSON* get_array_item(const cJSON *array, size_t index)
-{
- cJSON *current_child = NULL;
-
- if (array == NULL)
- {
- return NULL;
- }
-
- current_child = array->child;
- while ((current_child != NULL) && (index > 0))
- {
- index--;
- current_child = current_child->next;
- }
-
- return current_child;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_GetArrayItem(const cJSON *array, int index)
-{
- if (index < 0)
- {
- return NULL;
- }
-
- return get_array_item(array, (size_t)index);
-}
-
-static cJSON *get_object_item(const cJSON * const object, const char * const name, const cJSON_bool case_sensitive)
-{
- cJSON *current_element = NULL;
-
- if ((object == NULL) || (name == NULL))
- {
- return NULL;
- }
-
- current_element = object->child;
- if (case_sensitive)
- {
- while ((current_element != NULL) && (strcmp(name, current_element->string) != 0))
- {
- current_element = current_element->next;
- }
- }
- else
- {
- while ((current_element != NULL) && (case_insensitive_strcmp((const unsigned char*)name, (const unsigned char*)(current_element->string)) != 0))
- {
- current_element = current_element->next;
- }
- }
-
- return current_element;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_GetObjectItem(const cJSON * const object, const char * const string)
-{
- return get_object_item(object, string, false);
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_GetObjectItemCaseSensitive(const cJSON * const object, const char * const string)
-{
- return get_object_item(object, string, true);
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_HasObjectItem(const cJSON *object, const char *string)
-{
- return cJSON_GetObjectItem(object, string) ? 1 : 0;
-}
-
-/* Utility for array list handling. */
-static void suffix_object(cJSON *prev, cJSON *item)
-{
- prev->next = item;
- item->prev = prev;
-}
-
-/* Utility for handling references. */
-static cJSON *create_reference(const cJSON *item, const internal_hooks * const hooks)
-{
- cJSON *reference = NULL;
- if (item == NULL)
- {
- return NULL;
- }
-
- reference = cJSON_New_Item(hooks);
- if (reference == NULL)
- {
- return NULL;
- }
-
- memcpy(reference, item, sizeof(cJSON));
- reference->string = NULL;
- reference->type |= cJSON_IsReference;
- reference->next = reference->prev = NULL;
- return reference;
-}
-
-/* Add item to array/object. */
-CJSON_PUBLIC(void) cJSON_AddItemToArray(cJSON *array, cJSON *item)
-{
- cJSON *child = NULL;
-
- if ((item == NULL) || (array == NULL))
- {
- return;
- }
-
- child = array->child;
-
- if (child == NULL)
- {
- /* list is empty, start new one */
- array->child = item;
- }
- else
- {
- /* append to the end */
- while (child->next)
- {
- child = child->next;
- }
- suffix_object(child, item);
- }
-}
-
-CJSON_PUBLIC(void) cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item)
-{
- if (item == NULL)
- {
- return;
- }
-
- /* call cJSON_AddItemToObjectCS for code reuse */
- cJSON_AddItemToObjectCS(object, (char*)cJSON_strdup((const unsigned char*)string, &global_hooks), item);
- /* remove cJSON_StringIsConst flag */
- item->type &= ~cJSON_StringIsConst;
-}
-
-#if defined(__clang__) || (defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5))))
- #pragma GCC diagnostic push
-#endif
-#ifdef __GNUC__
-#pragma GCC diagnostic ignored "-Wcast-qual"
-#endif
-
-/* Add an item to an object with constant string as key */
-CJSON_PUBLIC(void) cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item)
-{
- if ((item == NULL) || (string == NULL))
- {
- return;
- }
- if (!(item->type & cJSON_StringIsConst) && item->string)
- {
- global_hooks.deallocate(item->string);
- }
- item->string = (char*)string;
- item->type |= cJSON_StringIsConst;
- cJSON_AddItemToArray(object, item);
-}
-#if defined(__clang__) || (defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5))))
- #pragma GCC diagnostic pop
-#endif
-
-CJSON_PUBLIC(void) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item)
-{
- if (array == NULL)
- {
- return;
- }
-
- cJSON_AddItemToArray(array, create_reference(item, &global_hooks));
-}
-
-CJSON_PUBLIC(void) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item)
-{
- if ((object == NULL) || (string == NULL))
- {
- return;
- }
-
- cJSON_AddItemToObject(object, string, create_reference(item, &global_hooks));
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_DetachItemViaPointer(cJSON *parent, cJSON * const item)
-{
- if ((parent == NULL) || (item == NULL))
- {
- return NULL;
- }
-
- if (item->prev != NULL)
- {
- /* not the first element */
- item->prev->next = item->next;
- }
- if (item->next != NULL)
- {
- /* not the last element */
- item->next->prev = item->prev;
- }
-
- if (item == parent->child)
- {
- /* first element */
- parent->child = item->next;
- }
- /* make sure the detached item doesn't point anywhere anymore */
- item->prev = NULL;
- item->next = NULL;
-
- return item;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromArray(cJSON *array, int which)
-{
- if (which < 0)
- {
- return NULL;
- }
-
- return cJSON_DetachItemViaPointer(array, get_array_item(array, (size_t)which));
-}
-
-CJSON_PUBLIC(void) cJSON_DeleteItemFromArray(cJSON *array, int which)
-{
- cJSON_Delete(cJSON_DetachItemFromArray(array, which));
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObject(cJSON *object, const char *string)
-{
- cJSON *to_detach = cJSON_GetObjectItem(object, string);
-
- return cJSON_DetachItemViaPointer(object, to_detach);
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObjectCaseSensitive(cJSON *object, const char *string)
-{
- cJSON *to_detach = cJSON_GetObjectItemCaseSensitive(object, string);
-
- return cJSON_DetachItemViaPointer(object, to_detach);
-}
-
-CJSON_PUBLIC(void) cJSON_DeleteItemFromObject(cJSON *object, const char *string)
-{
- cJSON_Delete(cJSON_DetachItemFromObject(object, string));
-}
-
-CJSON_PUBLIC(void) cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const char *string)
-{
- cJSON_Delete(cJSON_DetachItemFromObjectCaseSensitive(object, string));
-}
-
-/* Replace array/object items with new ones. */
-CJSON_PUBLIC(void) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem)
-{
- cJSON *after_inserted = NULL;
-
- if (which < 0)
- {
- return;
- }
-
- after_inserted = get_array_item(array, (size_t)which);
- if (after_inserted == NULL)
- {
- cJSON_AddItemToArray(array, newitem);
- return;
- }
-
- newitem->next = after_inserted;
- newitem->prev = after_inserted->prev;
- after_inserted->prev = newitem;
- if (after_inserted == array->child)
- {
- array->child = newitem;
- }
- else
- {
- newitem->prev->next = newitem;
- }
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON * const item, cJSON * replacement)
-{
- if ((parent == NULL) || (replacement == NULL) || (item == NULL))
- {
- return false;
- }
-
- if (replacement == item)
- {
- return true;
- }
-
- replacement->next = item->next;
- replacement->prev = item->prev;
-
- if (replacement->next != NULL)
- {
- replacement->next->prev = replacement;
- }
- if (replacement->prev != NULL)
- {
- replacement->prev->next = replacement;
- }
- if (parent->child == item)
- {
- parent->child = replacement;
- }
-
- item->next = NULL;
- item->prev = NULL;
- cJSON_Delete(item);
-
- return true;
-}
-
-CJSON_PUBLIC(void) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem)
-{
- if (which < 0)
- {
- return;
- }
-
- cJSON_ReplaceItemViaPointer(array, get_array_item(array, (size_t)which), newitem);
-}
-
-static cJSON_bool replace_item_in_object(cJSON *object, const char *string, cJSON *replacement, cJSON_bool case_sensitive)
-{
- if ((replacement == NULL) || (string == NULL))
- {
- return false;
- }
-
- /* replace the name in the replacement */
- if (!(replacement->type & cJSON_StringIsConst) && (replacement->string != NULL))
- {
- cJSON_free(replacement->string);
- }
- replacement->string = (char*)cJSON_strdup((const unsigned char*)string, &global_hooks);
- replacement->type &= ~cJSON_StringIsConst;
-
- cJSON_ReplaceItemViaPointer(object, get_object_item(object, string, case_sensitive), replacement);
-
- return true;
-}
-
-CJSON_PUBLIC(void) cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem)
-{
- replace_item_in_object(object, string, newitem, false);
-}
-
-CJSON_PUBLIC(void) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object, const char *string, cJSON *newitem)
-{
- replace_item_in_object(object, string, newitem, true);
-}
-
-/* Create basic types: */
-CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void)
-{
- cJSON *item = cJSON_New_Item(&global_hooks);
- if(item)
- {
- item->type = cJSON_NULL;
- }
-
- return item;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_CreateTrue(void)
-{
- cJSON *item = cJSON_New_Item(&global_hooks);
- if(item)
- {
- item->type = cJSON_True;
- }
-
- return item;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_CreateFalse(void)
-{
- cJSON *item = cJSON_New_Item(&global_hooks);
- if(item)
- {
- item->type = cJSON_False;
- }
-
- return item;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool b)
-{
- cJSON *item = cJSON_New_Item(&global_hooks);
- if(item)
- {
- item->type = b ? cJSON_True : cJSON_False;
- }
-
- return item;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num)
-{
- cJSON *item = cJSON_New_Item(&global_hooks);
- if(item)
- {
- item->type = cJSON_Number;
- item->valuedouble = num;
-
- /* use saturation in case of overflow */
- if (num >= INT_MAX)
- {
- item->valueint = INT_MAX;
- }
- else if (num <= INT_MIN)
- {
- item->valueint = INT_MIN;
- }
- else
- {
- item->valueint = (int)num;
- }
- }
-
- return item;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_CreateString(const char *string)
-{
- cJSON *item = cJSON_New_Item(&global_hooks);
- if(item)
- {
- item->type = cJSON_String;
- item->valuestring = (char*)cJSON_strdup((const unsigned char*)string, &global_hooks);
- if(!item->valuestring)
- {
- cJSON_Delete(item);
- return NULL;
- }
- }
-
- return item;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_CreateRaw(const char *raw)
-{
- cJSON *item = cJSON_New_Item(&global_hooks);
- if(item)
- {
- item->type = cJSON_Raw;
- item->valuestring = (char*)cJSON_strdup((const unsigned char*)raw, &global_hooks);
- if(!item->valuestring)
- {
- cJSON_Delete(item);
- return NULL;
- }
- }
-
- return item;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_CreateArray(void)
-{
- cJSON *item = cJSON_New_Item(&global_hooks);
- if(item)
- {
- item->type=cJSON_Array;
- }
-
- return item;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_CreateObject(void)
-{
- cJSON *item = cJSON_New_Item(&global_hooks);
- if (item)
- {
- item->type = cJSON_Object;
- }
-
- return item;
-}
-
-/* Create Arrays: */
-CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count)
-{
- size_t i = 0;
- cJSON *n = NULL;
- cJSON *p = NULL;
- cJSON *a = NULL;
-
- if ((count < 0) || (numbers == NULL))
- {
- return NULL;
- }
-
- a = cJSON_CreateArray();
- for(i = 0; a && (i < (size_t)count); i++)
- {
- n = cJSON_CreateNumber(numbers[i]);
- if (!n)
- {
- cJSON_Delete(a);
- return NULL;
- }
- if(!i)
- {
- a->child = n;
- }
- else
- {
- suffix_object(p, n);
- }
- p = n;
- }
-
- return a;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_CreateFloatArray(const float *numbers, int count)
-{
- size_t i = 0;
- cJSON *n = NULL;
- cJSON *p = NULL;
- cJSON *a = NULL;
-
- if ((count < 0) || (numbers == NULL))
- {
- return NULL;
- }
-
- a = cJSON_CreateArray();
-
- for(i = 0; a && (i < (size_t)count); i++)
- {
- n = cJSON_CreateNumber((double)numbers[i]);
- if(!n)
- {
- cJSON_Delete(a);
- return NULL;
- }
- if(!i)
- {
- a->child = n;
- }
- else
- {
- suffix_object(p, n);
- }
- p = n;
- }
-
- return a;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_CreateDoubleArray(const double *numbers, int count)
-{
- size_t i = 0;
- cJSON *n = NULL;
- cJSON *p = NULL;
- cJSON *a = NULL;
-
- if ((count < 0) || (numbers == NULL))
- {
- return NULL;
- }
-
- a = cJSON_CreateArray();
-
- for(i = 0;a && (i < (size_t)count); i++)
- {
- n = cJSON_CreateNumber(numbers[i]);
- if(!n)
- {
- cJSON_Delete(a);
- return NULL;
- }
- if(!i)
- {
- a->child = n;
- }
- else
- {
- suffix_object(p, n);
- }
- p = n;
- }
-
- return a;
-}
-
-CJSON_PUBLIC(cJSON *) cJSON_CreateStringArray(const char **strings, int count)
-{
- size_t i = 0;
- cJSON *n = NULL;
- cJSON *p = NULL;
- cJSON *a = NULL;
-
- if ((count < 0) || (strings == NULL))
- {
- return NULL;
- }
-
- a = cJSON_CreateArray();
-
- for (i = 0; a && (i < (size_t)count); i++)
- {
- n = cJSON_CreateString(strings[i]);
- if(!n)
- {
- cJSON_Delete(a);
- return NULL;
- }
- if(!i)
- {
- a->child = n;
- }
- else
- {
- suffix_object(p,n);
- }
- p = n;
- }
-
- return a;
-}
-
-/* Duplication */
-CJSON_PUBLIC(cJSON *) cJSON_Duplicate(const cJSON *item, cJSON_bool recurse)
-{
- cJSON *newitem = NULL;
- cJSON *child = NULL;
- cJSON *next = NULL;
- cJSON *newchild = NULL;
-
- /* Bail on bad ptr */
- if (!item)
- {
- goto fail;
- }
- /* Create new item */
- newitem = cJSON_New_Item(&global_hooks);
- if (!newitem)
- {
- goto fail;
- }
- /* Copy over all vars */
- newitem->type = item->type & (~cJSON_IsReference);
- newitem->valueint = item->valueint;
- newitem->valuedouble = item->valuedouble;
- if (item->valuestring)
- {
- newitem->valuestring = (char*)cJSON_strdup((unsigned char*)item->valuestring, &global_hooks);
- if (!newitem->valuestring)
- {
- goto fail;
- }
- }
- if (item->string)
- {
- newitem->string = (item->type&cJSON_StringIsConst) ? item->string : (char*)cJSON_strdup((unsigned char*)item->string, &global_hooks);
- if (!newitem->string)
- {
- goto fail;
- }
- }
- /* If non-recursive, then we're done! */
- if (!recurse)
- {
- return newitem;
- }
- /* Walk the ->next chain for the child. */
- child = item->child;
- while (child != NULL)
- {
- newchild = cJSON_Duplicate(child, true); /* Duplicate (with recurse) each item in the ->next chain */
- if (!newchild)
- {
- goto fail;
- }
- if (next != NULL)
- {
- /* If newitem->child already set, then crosswire ->prev and ->next and move on */
- next->next = newchild;
- newchild->prev = next;
- next = newchild;
- }
- else
- {
- /* Set newitem->child and move to it */
- newitem->child = newchild;
- next = newchild;
- }
- child = child->next;
- }
-
- return newitem;
-
-fail:
- if (newitem != NULL)
- {
- cJSON_Delete(newitem);
- }
-
- return NULL;
-}
-
-CJSON_PUBLIC(void) cJSON_Minify(char *json)
-{
- unsigned char *into = (unsigned char*)json;
-
- if (json == NULL)
- {
- return;
- }
-
- while (*json)
- {
- if (*json == ' ')
- {
- json++;
- }
- else if (*json == '\t')
- {
- /* Whitespace characters. */
- json++;
- }
- else if (*json == '\r')
- {
- json++;
- }
- else if (*json=='\n')
- {
- json++;
- }
- else if ((*json == '/') && (json[1] == '/'))
- {
- /* double-slash comments, to end of line. */
- while (*json && (*json != '\n'))
- {
- json++;
- }
- }
- else if ((*json == '/') && (json[1] == '*'))
- {
- /* multiline comments. */
- while (*json && !((*json == '*') && (json[1] == '/')))
- {
- json++;
- }
- json += 2;
- }
- else if (*json == '\"')
- {
- /* string literals, which are \" sensitive. */
- *into++ = (unsigned char)*json++;
- while (*json && (*json != '\"'))
- {
- if (*json == '\\')
- {
- *into++ = (unsigned char)*json++;
- }
- *into++ = (unsigned char)*json++;
- }
- *into++ = (unsigned char)*json++;
- }
- else
- {
- /* All other characters. */
- *into++ = (unsigned char)*json++;
- }
- }
-
- /* and null-terminate. */
- *into = '\0';
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_IsInvalid(const cJSON * const item)
-{
- if (item == NULL)
- {
- return false;
- }
-
- return (item->type & 0xFF) == cJSON_Invalid;
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_IsFalse(const cJSON * const item)
-{
- if (item == NULL)
- {
- return false;
- }
-
- return (item->type & 0xFF) == cJSON_False;
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_IsTrue(const cJSON * const item)
-{
- if (item == NULL)
- {
- return false;
- }
-
- return (item->type & 0xff) == cJSON_True;
-}
-
-
-CJSON_PUBLIC(cJSON_bool) cJSON_IsBool(const cJSON * const item)
-{
- if (item == NULL)
- {
- return false;
- }
-
- return (item->type & (cJSON_True | cJSON_False)) != 0;
-}
-CJSON_PUBLIC(cJSON_bool) cJSON_IsNull(const cJSON * const item)
-{
- if (item == NULL)
- {
- return false;
- }
-
- return (item->type & 0xFF) == cJSON_NULL;
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_IsNumber(const cJSON * const item)
-{
- if (item == NULL)
- {
- return false;
- }
-
- return (item->type & 0xFF) == cJSON_Number;
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_IsString(const cJSON * const item)
-{
- if (item == NULL)
- {
- return false;
- }
-
- return (item->type & 0xFF) == cJSON_String;
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_IsArray(const cJSON * const item)
-{
- if (item == NULL)
- {
- return false;
- }
-
- return (item->type & 0xFF) == cJSON_Array;
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_IsObject(const cJSON * const item)
-{
- if (item == NULL)
- {
- return false;
- }
-
- return (item->type & 0xFF) == cJSON_Object;
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_IsRaw(const cJSON * const item)
-{
- if (item == NULL)
- {
- return false;
- }
-
- return (item->type & 0xFF) == cJSON_Raw;
-}
-
-CJSON_PUBLIC(cJSON_bool) cJSON_Compare(const cJSON * const a, const cJSON * const b, const cJSON_bool case_sensitive)
-{
- if ((a == NULL) || (b == NULL) || ((a->type & 0xFF) != (b->type & 0xFF)) || cJSON_IsInvalid(a))
- {
- return false;
- }
-
- /* check if type is valid */
- switch (a->type & 0xFF)
- {
- case cJSON_False:
- case cJSON_True:
- case cJSON_NULL:
- case cJSON_Number:
- case cJSON_String:
- case cJSON_Raw:
- case cJSON_Array:
- case cJSON_Object:
- break;
-
- default:
- return false;
- }
-
- /* identical objects are equal */
- if (a == b)
- {
- return true;
- }
-
- switch (a->type & 0xFF)
- {
- /* in these cases and equal type is enough */
- case cJSON_False:
- case cJSON_True:
- case cJSON_NULL:
- return true;
-
- case cJSON_Number:
- if (a->valuedouble == b->valuedouble)
- {
- return true;
- }
- return false;
-
- case cJSON_String:
- case cJSON_Raw:
- if ((a->valuestring == NULL) || (b->valuestring == NULL))
- {
- return false;
- }
- if (strcmp(a->valuestring, b->valuestring) == 0)
- {
- return true;
- }
-
- return false;
-
- case cJSON_Array:
- {
- cJSON *a_element = a->child;
- cJSON *b_element = b->child;
-
- for (; (a_element != NULL) && (b_element != NULL);)
- {
- if (!cJSON_Compare(a_element, b_element, case_sensitive))
- {
- return false;
- }
-
- a_element = a_element->next;
- b_element = b_element->next;
- }
-
- /* one of the arrays is longer than the other */
- if (a_element != b_element) {
- return false;
- }
-
- return true;
- }
-
- case cJSON_Object:
- {
- cJSON *a_element = NULL;
- cJSON *b_element = NULL;
- cJSON_ArrayForEach(a_element, a)
- {
- /* TODO This has O(n^2) runtime, which is horrible! */
- b_element = get_object_item(b, a_element->string, case_sensitive);
- if (b_element == NULL)
- {
- return false;
- }
-
- if (!cJSON_Compare(a_element, b_element, case_sensitive))
- {
- return false;
- }
- }
-
- /* doing this twice, once on a and b to prevent true comparison if a subset of b
- * TODO: Do this the proper way, this is just a fix for now */
- cJSON_ArrayForEach(b_element, b)
- {
- a_element = get_object_item(a, b_element->string, case_sensitive);
- if (a_element == NULL)
- {
- return false;
- }
-
- if (!cJSON_Compare(b_element, a_element, case_sensitive))
- {
- return false;
- }
- }
-
- return true;
- }
-
- default:
- return false;
- }
-}
-
-CJSON_PUBLIC(void *) cJSON_malloc(size_t size)
-{
- return global_hooks.allocate(size);
-}
-
-CJSON_PUBLIC(void) cJSON_free(void *object)
-{
- global_hooks.deallocate(object);
-}
+++ /dev/null
-/*
- Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
-
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
-
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
-*/
-
-/* disable warnings about old C89 functions in MSVC */
-#if !defined(_CRT_SECURE_NO_DEPRECATE) && defined(_MSC_VER)
-#define _CRT_SECURE_NO_DEPRECATE
-#endif
-
-#ifdef __GNUCC__
-#pragma GCC visibility push(default)
-#endif
-#if defined(_MSC_VER)
-#pragma warning (push)
-/* disable warning about single line comments in system headers */
-#pragma warning (disable : 4001)
-#endif
-
-#include <ctype.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <limits.h>
-
-#if defined(_MSC_VER)
-#pragma warning (pop)
-#endif
-#ifdef __GNUCC__
-#pragma GCC visibility pop
-#endif
-
-#include "cJSON_Utils.h"
-
-/* define our own boolean type */
-#define true ((cJSON_bool)1)
-#define false ((cJSON_bool)0)
-
-static unsigned char* cJSONUtils_strdup(const unsigned char* const string)
-{
- size_t length = 0;
- unsigned char *copy = NULL;
-
- length = strlen((const char*)string) + sizeof("");
- copy = (unsigned char*) cJSON_malloc(length);
- if (copy == NULL)
- {
- return NULL;
- }
- memcpy(copy, string, length);
-
- return copy;
-}
-
-/* string comparison which doesn't consider NULL pointers equal */
-static int compare_strings(const unsigned char *string1, const unsigned char *string2, const cJSON_bool case_sensitive)
-{
- if ((string1 == NULL) || (string2 == NULL))
- {
- return 1;
- }
-
- if (string1 == string2)
- {
- return 0;
- }
-
- if (case_sensitive)
- {
- return strcmp((const char*)string1, (const char*)string2);
- }
-
- for(; tolower(*string1) == tolower(*string2); (void)string1++, string2++)
- {
- if (*string1 == '\0')
- {
- return 0;
- }
- }
-
- return tolower(*string1) - tolower(*string2);
-}
-
-/* Compare the next path element of two JSON pointers, two NULL pointers are considered unequal: */
-static cJSON_bool compare_pointers(const unsigned char *name, const unsigned char *pointer, const cJSON_bool case_sensitive)
-{
- if ((name == NULL) || (pointer == NULL))
- {
- return false;
- }
-
- for (; (*name != '\0') && (*pointer != '\0') && (*pointer != '/'); (void)name++, pointer++) /* compare until next '/' */
- {
- if (*pointer == '~')
- {
- /* check for escaped '~' (~0) and '/' (~1) */
- if (((pointer[1] != '0') || (*name != '~')) && ((pointer[1] != '1') || (*name != '/')))
- {
- /* invalid escape sequence or wrong character in *name */
- return false;
- }
- else
- {
- pointer++;
- }
- }
- else if ((!case_sensitive && (tolower(*name) != tolower(*pointer))) || (case_sensitive && (*name != *pointer)))
- {
- return false;
- }
- }
- if (((*pointer != 0) && (*pointer != '/')) != (*name != 0))
- {
- /* one string has ended, the other not */
- return false;;
- }
-
- return true;
-}
-
-/* calculate the length of a string if encoded as JSON pointer with ~0 and ~1 escape sequences */
-static size_t pointer_encoded_length(const unsigned char *string)
-{
- size_t length;
- for (length = 0; *string != '\0'; (void)string++, length++)
- {
- /* character needs to be escaped? */
- if ((*string == '~') || (*string == '/'))
- {
- length++;
- }
- }
-
- return length;
-}
-
-/* copy a string while escaping '~' and '/' with ~0 and ~1 JSON pointer escape codes */
-static void encode_string_as_pointer(unsigned char *destination, const unsigned char *source)
-{
- for (; source[0] != '\0'; (void)source++, destination++)
- {
- if (source[0] == '/')
- {
- destination[1] = '1';
- destination++;
- }
- else if (source[0] == '~')
- {
- destination[0] = '~';
- destination[1] = '1';
- destination++;
- }
- else
- {
- destination[0] = source[0];
- }
- }
-
- destination[0] = '\0';
-}
-
-CJSON_PUBLIC(char *) cJSONUtils_FindPointerFromObjectTo(const cJSON * const object, const cJSON * const target)
-{
- size_t child_index = 0;
- cJSON *current_child = 0;
-
- if ((object == NULL) || (target == NULL))
- {
- return NULL;
- }
-
- if (object == target)
- {
- /* found */
- return (char*)cJSONUtils_strdup((const unsigned char*)"");
- }
-
- /* recursively search all children of the object or array */
- for (current_child = object->child; current_child != NULL; (void)(current_child = current_child->next), child_index++)
- {
- unsigned char *target_pointer = (unsigned char*)cJSONUtils_FindPointerFromObjectTo(current_child, target);
- /* found the target? */
- if (target_pointer != NULL)
- {
- if (cJSON_IsArray(object))
- {
- /* reserve enough memory for a 64 bit integer + '/' and '\0' */
- unsigned char *full_pointer = (unsigned char*)cJSON_malloc(strlen((char*)target_pointer) + 20 + sizeof("/"));
- /* check if conversion to unsigned long is valid
- * This should be eliminated at compile time by dead code elimination
- * if size_t is an alias of unsigned long, or if it is bigger */
- if (child_index > ULONG_MAX)
- {
- cJSON_free(target_pointer);
- return NULL;
- }
- sprintf((char*)full_pointer, "/%lu%s", (unsigned long)child_index, target_pointer); /* /<array_index><path> */
- cJSON_free(target_pointer);
-
- return (char*)full_pointer;
- }
-
- if (cJSON_IsObject(object))
- {
- unsigned char *full_pointer = (unsigned char*)cJSON_malloc(strlen((char*)target_pointer) + pointer_encoded_length((unsigned char*)current_child->string) + 2);
- full_pointer[0] = '/';
- encode_string_as_pointer(full_pointer + 1, (unsigned char*)current_child->string);
- strcat((char*)full_pointer, (char*)target_pointer);
- cJSON_free(target_pointer);
-
- return (char*)full_pointer;
- }
-
- /* reached leaf of the tree, found nothing */
- cJSON_free(target_pointer);
- return NULL;
- }
- }
-
- /* not found */
- return NULL;
-}
-
-/* non broken version of cJSON_GetArrayItem */
-static cJSON *get_array_item(const cJSON *array, size_t item)
-{
- cJSON *child = array ? array->child : NULL;
- while ((child != NULL) && (item > 0))
- {
- item--;
- child = child->next;
- }
-
- return child;
-}
-
-static cJSON_bool decode_array_index_from_pointer(const unsigned char * const pointer, size_t * const index)
-{
- size_t parsed_index = 0;
- size_t position = 0;
-
- if ((pointer[0] == '0') && ((pointer[1] != '\0') && (pointer[1] != '/')))
- {
- /* leading zeroes are not permitted */
- return 0;
- }
-
- for (position = 0; (pointer[position] >= '0') && (pointer[0] <= '9'); position++)
- {
- parsed_index = (10 * parsed_index) + (size_t)(pointer[position] - '0');
-
- }
-
- if ((pointer[position] != '\0') && (pointer[position] != '/'))
- {
- return 0;
- }
-
- *index = parsed_index;
-
- return 1;
-}
-
-static cJSON *get_item_from_pointer(cJSON * const object, const char * pointer, const cJSON_bool case_sensitive)
-{
- cJSON *current_element = object;
-
- if (pointer == NULL)
- {
- return NULL;
- }
-
- /* follow path of the pointer */
- while ((pointer[0] == '/') && (current_element != NULL))
- {
- pointer++;
- if (cJSON_IsArray(current_element))
- {
- size_t index = 0;
- if (!decode_array_index_from_pointer((const unsigned char*)pointer, &index))
- {
- return NULL;
- }
-
- current_element = get_array_item(current_element, index);
- }
- else if (cJSON_IsObject(current_element))
- {
- current_element = current_element->child;
- /* GetObjectItem. */
- while ((current_element != NULL) && !compare_pointers((unsigned char*)current_element->string, (const unsigned char*)pointer, case_sensitive))
- {
- current_element = current_element->next;
- }
- }
- else
- {
- return NULL;
- }
-
- /* skip to the next path token or end of string */
- while ((pointer[0] != '\0') && (pointer[0] != '/'))
- {
- pointer++;
- }
- }
-
- return current_element;
-}
-
-CJSON_PUBLIC(cJSON *) cJSONUtils_GetPointer(cJSON * const object, const char *pointer)
-{
- return get_item_from_pointer(object, pointer, false);
-}
-
-CJSON_PUBLIC(cJSON *) cJSONUtils_GetPointerCaseSensitive(cJSON * const object, const char *pointer)
-{
- return get_item_from_pointer(object, pointer, true);
-}
-
-/* JSON Patch implementation. */
-static void decode_pointer_inplace(unsigned char *string)
-{
- unsigned char *decoded_string = string;
-
- if (string == NULL) {
- return;
- }
-
- for (; *string; (void)decoded_string++, string++)
- {
- if (string[0] == '~')
- {
- if (string[1] == '0')
- {
- decoded_string[0] = '~';
- }
- else if (string[1] == '1')
- {
- decoded_string[1] = '/';
- }
- else
- {
- /* invalid escape sequence */
- return;
- }
-
- string++;
- }
- }
-
- decoded_string[0] = '\0';
-}
-
-/* non-broken cJSON_DetachItemFromArray */
-static cJSON *detach_item_from_array(cJSON *array, size_t which)
-{
- cJSON *c = array->child;
- while (c && (which > 0))
- {
- c = c->next;
- which--;
- }
- if (!c)
- {
- /* item doesn't exist */
- return NULL;
- }
- if (c->prev)
- {
- /* not the first element */
- c->prev->next = c->next;
- }
- if (c->next)
- {
- c->next->prev = c->prev;
- }
- if (c==array->child)
- {
- array->child = c->next;
- }
- /* make sure the detached item doesn't point anywhere anymore */
- c->prev = c->next = NULL;
-
- return c;
-}
-
-/* detach an item at the given path */
-static cJSON *detach_path(cJSON *object, const unsigned char *path, const cJSON_bool case_sensitive)
-{
- unsigned char *parent_pointer = NULL;
- unsigned char *child_pointer = NULL;
- cJSON *parent = NULL;
- cJSON *detached_item = NULL;
-
- /* copy path and split it in parent and child */
- parent_pointer = cJSONUtils_strdup(path);
- if (parent_pointer == NULL) {
- goto cleanup;
- }
-
- child_pointer = (unsigned char*)strrchr((char*)parent_pointer, '/'); /* last '/' */
- if (child_pointer == NULL)
- {
- goto cleanup;
- }
- /* split strings */
- child_pointer[0] = '\0';
- child_pointer++;
-
- parent = get_item_from_pointer(object, (char*)parent_pointer, case_sensitive);
- decode_pointer_inplace(child_pointer);
-
- if (cJSON_IsArray(parent))
- {
- size_t index = 0;
- if (!decode_array_index_from_pointer(child_pointer, &index))
- {
- goto cleanup;
- }
- detached_item = detach_item_from_array(parent, index);
- }
- else if (cJSON_IsObject(parent))
- {
- detached_item = cJSON_DetachItemFromObject(parent, (char*)child_pointer);
- }
- else
- {
- /* Couldn't find object to remove child from. */
- goto cleanup;
- }
-
-cleanup:
- if (parent_pointer != NULL)
- {
- cJSON_free(parent_pointer);
- }
-
- return detached_item;
-}
-
-/* sort lists using mergesort */
-static cJSON *sort_list(cJSON *list, const cJSON_bool case_sensitive)
-{
- cJSON *first = list;
- cJSON *second = list;
- cJSON *current_item = list;
- cJSON *result = list;
- cJSON *result_tail = NULL;
-
- if ((list == NULL) || (list->next == NULL))
- {
- /* One entry is sorted already. */
- return result;
- }
-
- while ((current_item != NULL) && (current_item->next != NULL) && (compare_strings((unsigned char*)current_item->string, (unsigned char*)current_item->next->string, case_sensitive) < 0))
- {
- /* Test for list sorted. */
- current_item = current_item->next;
- }
- if ((current_item == NULL) || (current_item->next == NULL))
- {
- /* Leave sorted lists unmodified. */
- return result;
- }
-
- /* reset pointer to the beginning */
- current_item = list;
- while (current_item != NULL)
- {
- /* Walk two pointers to find the middle. */
- second = second->next;
- current_item = current_item->next;
- /* advances current_item two steps at a time */
- if (current_item != NULL)
- {
- current_item = current_item->next;
- }
- }
- if ((second != NULL) && (second->prev != NULL))
- {
- /* Split the lists */
- second->prev->next = NULL;
- }
-
- /* Recursively sort the sub-lists. */
- first = sort_list(first, case_sensitive);
- second = sort_list(second, case_sensitive);
- result = NULL;
-
- /* Merge the sub-lists */
- while ((first != NULL) && (second != NULL))
- {
- cJSON *smaller = NULL;
- if (compare_strings((unsigned char*)first->string, (unsigned char*)second->string, false) < 0)
- {
- smaller = first;
- }
- else
- {
- smaller = second;
- }
-
- if (result == NULL)
- {
- /* start merged list with the smaller element */
- result_tail = smaller;
- result = smaller;
- }
- else
- {
- /* add smaller element to the list */
- result_tail->next = smaller;
- smaller->prev = result_tail;
- result_tail = smaller;
- }
-
- if (first == smaller)
- {
- first = first->next;
- }
- else
- {
- second = second->next;
- }
- }
-
- if (first != NULL)
- {
- /* Append rest of first list. */
- if (result == NULL)
- {
- return first;
- }
- result_tail->next = first;
- first->prev = result_tail;
- }
- if (second != NULL)
- {
- /* Append rest of second list */
- if (result == NULL)
- {
- return second;
- }
- result_tail->next = second;
- second->prev = result_tail;
- }
-
- return result;
-}
-
-static void sort_object(cJSON * const object, const cJSON_bool case_sensitive)
-{
- if (object == NULL)
- {
- return;
- }
- object->child = sort_list(object->child, case_sensitive);
-}
-
-static cJSON_bool compare_json(cJSON *a, cJSON *b, const cJSON_bool case_sensitive)
-{
- if ((a == NULL) || (b == NULL) || ((a->type & 0xFF) != (b->type & 0xFF)))
- {
- /* mismatched type. */
- return false;
- }
- switch (a->type & 0xFF)
- {
- case cJSON_Number:
- /* numeric mismatch. */
- if ((a->valueint != b->valueint) || (a->valuedouble != b->valuedouble))
- {
- return false;
- }
- else
- {
- return true;
- }
-
- case cJSON_String:
- /* string mismatch. */
- if (strcmp(a->valuestring, b->valuestring) != 0)
- {
- return false;
- }
- else
- {
- return true;
- }
-
- case cJSON_Array:
- for ((void)(a = a->child), b = b->child; (a != NULL) && (b != NULL); (void)(a = a->next), b = b->next)
- {
- cJSON_bool identical = compare_json(a, b, case_sensitive);
- if (!identical)
- {
- return false;
- }
- }
-
- /* array size mismatch? (one of both children is not NULL) */
- if ((a != NULL) || (b != NULL))
- {
- return false;
- }
- else
- {
- return true;
- }
-
- case cJSON_Object:
- sort_object(a, case_sensitive);
- sort_object(b, case_sensitive);
- for ((void)(a = a->child), b = b->child; (a != NULL) && (b != NULL); (void)(a = a->next), b = b->next)
- {
- cJSON_bool identical = false;
- /* compare object keys */
- if (compare_strings((unsigned char*)a->string, (unsigned char*)b->string, case_sensitive))
- {
- /* missing member */
- return false;
- }
- identical = compare_json(a, b, case_sensitive);
- if (!identical)
- {
- return false;
- }
- }
-
- /* object length mismatch (one of both children is not null) */
- if ((a != NULL) || (b != NULL))
- {
- return false;
- }
- else
- {
- return true;
- }
-
- default:
- break;
- }
-
- /* null, true or false */
- return true;
-}
-
-/* non broken version of cJSON_InsertItemInArray */
-static cJSON_bool insert_item_in_array(cJSON *array, size_t which, cJSON *newitem)
-{
- cJSON *child = array->child;
- while (child && (which > 0))
- {
- child = child->next;
- which--;
- }
- if (which > 0)
- {
- /* item is after the end of the array */
- return 0;
- }
- if (child == NULL)
- {
- cJSON_AddItemToArray(array, newitem);
- return 1;
- }
-
- /* insert into the linked list */
- newitem->next = child;
- newitem->prev = child->prev;
- child->prev = newitem;
-
- /* was it at the beginning */
- if (child == array->child)
- {
- array->child = newitem;
- }
- else
- {
- newitem->prev->next = newitem;
- }
-
- return 1;
-}
-
-static cJSON *get_object_item(const cJSON * const object, const char* name, const cJSON_bool case_sensitive)
-{
- if (case_sensitive)
- {
- return cJSON_GetObjectItemCaseSensitive(object, name);
- }
-
- return cJSON_GetObjectItem(object, name);
-}
-
-enum patch_operation { INVALID, ADD, REMOVE, REPLACE, MOVE, COPY, TEST };
-
-static enum patch_operation decode_patch_operation(const cJSON * const patch, const cJSON_bool case_sensitive)
-{
- cJSON *operation = get_object_item(patch, "op", case_sensitive);
- if (!cJSON_IsString(operation))
- {
- return INVALID;
- }
-
- if (strcmp(operation->valuestring, "add") == 0)
- {
- return ADD;
- }
-
- if (strcmp(operation->valuestring, "remove") == 0)
- {
- return REMOVE;
- }
-
- if (strcmp(operation->valuestring, "replace") == 0)
- {
- return REPLACE;
- }
-
- if (strcmp(operation->valuestring, "move") == 0)
- {
- return MOVE;
- }
-
- if (strcmp(operation->valuestring, "copy") == 0)
- {
- return COPY;
- }
-
- if (strcmp(operation->valuestring, "test") == 0)
- {
- return TEST;
- }
-
- return INVALID;
-}
-
-/* overwrite and existing item with another one and free resources on the way */
-static void overwrite_item(cJSON * const root, const cJSON replacement)
-{
- if (root == NULL)
- {
- return;
- }
-
- if (root->string != NULL)
- {
- cJSON_free(root->string);
- }
- if (root->valuestring != NULL)
- {
- cJSON_free(root->valuestring);
- }
- if (root->child != NULL)
- {
- cJSON_Delete(root->child);
- }
-
- memcpy(root, &replacement, sizeof(cJSON));
-}
-
-static int apply_patch(cJSON *object, const cJSON *patch, const cJSON_bool case_sensitive)
-{
- cJSON *path = NULL;
- cJSON *value = NULL;
- cJSON *parent = NULL;
- enum patch_operation opcode = INVALID;
- unsigned char *parent_pointer = NULL;
- unsigned char *child_pointer = NULL;
- int status = 0;
-
- path = get_object_item(patch, "path", case_sensitive);
- if (!cJSON_IsString(path))
- {
- /* malformed patch. */
- status = 2;
- goto cleanup;
- }
-
- opcode = decode_patch_operation(patch, case_sensitive);
- if (opcode == INVALID)
- {
- status = 3;
- goto cleanup;
- }
- else if (opcode == TEST)
- {
- /* compare value: {...} with the given path */
- status = !compare_json(get_item_from_pointer(object, path->valuestring, case_sensitive), get_object_item(patch, "value", case_sensitive), case_sensitive);
- goto cleanup;
- }
-
- /* special case for replacing the root */
- if (path->valuestring[0] == '\0')
- {
- if (opcode == REMOVE)
- {
- static const cJSON invalid = { NULL, NULL, NULL, cJSON_Invalid, NULL, 0, 0, NULL};
-
- overwrite_item(object, invalid);
-
- status = 0;
- goto cleanup;
- }
-
- if ((opcode == REPLACE) || (opcode == ADD))
- {
- value = get_object_item(patch, "value", case_sensitive);
- if (value == NULL)
- {
- /* missing "value" for add/replace. */
- status = 7;
- goto cleanup;
- }
-
- value = cJSON_Duplicate(value, 1);
- if (value == NULL)
- {
- /* out of memory for add/replace. */
- status = 8;
- goto cleanup;
- }
-
- overwrite_item(object, *value);
-
- /* delete the duplicated value */
- cJSON_free(value);
- value = NULL;
-
- /* the string "value" isn't needed */
- if (object->string != NULL)
- {
- cJSON_free(object->string);
- object->string = NULL;
- }
-
- status = 0;
- goto cleanup;
- }
- }
-
- if ((opcode == REMOVE) || (opcode == REPLACE))
- {
- /* Get rid of old. */
- cJSON *old_item = detach_path(object, (unsigned char*)path->valuestring, case_sensitive);
- if (old_item == NULL)
- {
- status = 13;
- goto cleanup;
- }
- cJSON_Delete(old_item);
- if (opcode == REMOVE)
- {
- /* For Remove, this job is done. */
- status = 0;
- goto cleanup;
- }
- }
-
- /* Copy/Move uses "from". */
- if ((opcode == MOVE) || (opcode == COPY))
- {
- cJSON *from = get_object_item(patch, "from", case_sensitive);
- if (from == NULL)
- {
- /* missing "from" for copy/move. */
- status = 4;
- goto cleanup;
- }
-
- if (opcode == MOVE)
- {
- value = detach_path(object, (unsigned char*)from->valuestring, case_sensitive);
- }
- if (opcode == COPY)
- {
- value = get_item_from_pointer(object, from->valuestring, case_sensitive);
- }
- if (value == NULL)
- {
- /* missing "from" for copy/move. */
- status = 5;
- goto cleanup;
- }
- if (opcode == COPY)
- {
- value = cJSON_Duplicate(value, 1);
- }
- if (value == NULL)
- {
- /* out of memory for copy/move. */
- status = 6;
- goto cleanup;
- }
- }
- else /* Add/Replace uses "value". */
- {
- value = get_object_item(patch, "value", case_sensitive);
- if (value == NULL)
- {
- /* missing "value" for add/replace. */
- status = 7;
- goto cleanup;
- }
- value = cJSON_Duplicate(value, 1);
- if (value == NULL)
- {
- /* out of memory for add/replace. */
- status = 8;
- goto cleanup;
- }
- }
-
- /* Now, just add "value" to "path". */
-
- /* split pointer in parent and child */
- parent_pointer = cJSONUtils_strdup((unsigned char*)path->valuestring);
- child_pointer = (unsigned char*)strrchr((char*)parent_pointer, '/');
- if (child_pointer != NULL)
- {
- child_pointer[0] = '\0';
- child_pointer++;
- }
- parent = get_item_from_pointer(object, (char*)parent_pointer, case_sensitive);
- decode_pointer_inplace(child_pointer);
-
- /* add, remove, replace, move, copy, test. */
- if ((parent == NULL) || (child_pointer == NULL))
- {
- /* Couldn't find object to add to. */
- status = 9;
- goto cleanup;
- }
- else if (cJSON_IsArray(parent))
- {
- if (strcmp((char*)child_pointer, "-") == 0)
- {
- cJSON_AddItemToArray(parent, value);
- value = NULL;
- }
- else
- {
- size_t index = 0;
- if (!decode_array_index_from_pointer(child_pointer, &index))
- {
- status = 11;
- goto cleanup;
- }
-
- if (!insert_item_in_array(parent, index, value))
- {
- status = 10;
- goto cleanup;
- }
- value = NULL;
- }
- }
- else if (cJSON_IsObject(parent))
- {
- if (case_sensitive)
- {
- cJSON_DeleteItemFromObjectCaseSensitive(parent, (char*)child_pointer);
- }
- else
- {
- cJSON_DeleteItemFromObject(parent, (char*)child_pointer);
- }
- cJSON_AddItemToObject(parent, (char*)child_pointer, value);
- value = NULL;
- }
-
-cleanup:
- if (value != NULL)
- {
- cJSON_Delete(value);
- }
- if (parent_pointer != NULL)
- {
- cJSON_free(parent_pointer);
- }
-
- return status;
-}
-
-CJSON_PUBLIC(int) cJSONUtils_ApplyPatches(cJSON * const object, const cJSON * const patches)
-{
- const cJSON *current_patch = NULL;
- int status = 0;
-
- if (!cJSON_IsArray(patches))
- {
- /* malformed patches. */
- return 1;
- }
-
- if (patches != NULL)
- {
- current_patch = patches->child;
- }
-
- while (current_patch != NULL)
- {
- status = apply_patch(object, current_patch, false);
- if (status != 0)
- {
- return status;
- }
- current_patch = current_patch->next;
- }
-
- return 0;
-}
-
-CJSON_PUBLIC(int) cJSONUtils_ApplyPatchesCaseSensitive(cJSON * const object, const cJSON * const patches)
-{
- const cJSON *current_patch = NULL;
- int status = 0;
-
- if (!cJSON_IsArray(patches))
- {
- /* malformed patches. */
- return 1;
- }
-
- if (patches != NULL)
- {
- current_patch = patches->child;
- }
-
- while (current_patch != NULL)
- {
- status = apply_patch(object, current_patch, true);
- if (status != 0)
- {
- return status;
- }
- current_patch = current_patch->next;
- }
-
- return 0;
-}
-
-static void compose_patch(cJSON * const patches, const unsigned char * const operation, const unsigned char * const path, const unsigned char *suffix, const cJSON * const value)
-{
- cJSON *patch = NULL;
-
- if ((patches == NULL) || (operation == NULL) || (path == NULL))
- {
- return;
- }
-
- patch = cJSON_CreateObject();
- if (patch == NULL)
- {
- return;
- }
- cJSON_AddItemToObject(patch, "op", cJSON_CreateString((const char*)operation));
-
- if (suffix == NULL)
- {
- cJSON_AddItemToObject(patch, "path", cJSON_CreateString((const char*)path));
- }
- else
- {
- size_t suffix_length = pointer_encoded_length(suffix);
- size_t path_length = strlen((const char*)path);
- unsigned char *full_path = (unsigned char*)cJSON_malloc(path_length + suffix_length + sizeof("/"));
-
- sprintf((char*)full_path, "%s/", (const char*)path);
- encode_string_as_pointer(full_path + path_length + 1, suffix);
-
- cJSON_AddItemToObject(patch, "path", cJSON_CreateString((const char*)full_path));
- cJSON_free(full_path);
- }
-
- if (value != NULL)
- {
- cJSON_AddItemToObject(patch, "value", cJSON_Duplicate(value, 1));
- }
- cJSON_AddItemToArray(patches, patch);
-}
-
-CJSON_PUBLIC(void) cJSONUtils_AddPatchToArray(cJSON * const array, const char * const operation, const char * const path, const cJSON * const value)
-{
- compose_patch(array, (const unsigned char*)operation, (const unsigned char*)path, NULL, value);
-}
-
-static void create_patches(cJSON * const patches, const unsigned char * const path, cJSON * const from, cJSON * const to, const cJSON_bool case_sensitive)
-{
- if ((from == NULL) || (to == NULL))
- {
- return;
- }
-
- if ((from->type & 0xFF) != (to->type & 0xFF))
- {
- compose_patch(patches, (const unsigned char*)"replace", path, 0, to);
- return;
- }
-
- switch (from->type & 0xFF)
- {
- case cJSON_Number:
- if ((from->valueint != to->valueint) || (from->valuedouble != to->valuedouble))
- {
- compose_patch(patches, (const unsigned char*)"replace", path, NULL, to);
- }
- return;
-
- case cJSON_String:
- if (strcmp(from->valuestring, to->valuestring) != 0)
- {
- compose_patch(patches, (const unsigned char*)"replace", path, NULL, to);
- }
- return;
-
- case cJSON_Array:
- {
- size_t index = 0;
- cJSON *from_child = from->child;
- cJSON *to_child = to->child;
- unsigned char *new_path = (unsigned char*)cJSON_malloc(strlen((const char*)path) + 20 + sizeof("/")); /* Allow space for 64bit int. log10(2^64) = 20 */
-
- /* generate patches for all array elements that exist in both "from" and "to" */
- for (index = 0; (from_child != NULL) && (to_child != NULL); (void)(from_child = from_child->next), (void)(to_child = to_child->next), index++)
- {
- /* check if conversion to unsigned long is valid
- * This should be eliminated at compile time by dead code elimination
- * if size_t is an alias of unsigned long, or if it is bigger */
- if (index > ULONG_MAX)
- {
- cJSON_free(new_path);
- return;
- }
- sprintf((char*)new_path, "%s/%lu", path, (unsigned long)index); /* path of the current array element */
- create_patches(patches, new_path, from_child, to_child, case_sensitive);
- }
-
- /* remove leftover elements from 'from' that are not in 'to' */
- for (; (from_child != NULL); (void)(from_child = from_child->next))
- {
- /* check if conversion to unsigned long is valid
- * This should be eliminated at compile time by dead code elimination
- * if size_t is an alias of unsigned long, or if it is bigger */
- if (index > ULONG_MAX)
- {
- cJSON_free(new_path);
- return;
- }
- sprintf((char*)new_path, "%lu", (unsigned long)index);
- compose_patch(patches, (const unsigned char*)"remove", path, new_path, NULL);
- }
- /* add new elements in 'to' that were not in 'from' */
- for (; (to_child != NULL); (void)(to_child = to_child->next), index++)
- {
- compose_patch(patches, (const unsigned char*)"add", path, (const unsigned char*)"-", to_child);
- }
- cJSON_free(new_path);
- return;
- }
-
- case cJSON_Object:
- {
- cJSON *from_child = NULL;
- cJSON *to_child = NULL;
- sort_object(from, case_sensitive);
- sort_object(to, case_sensitive);
-
- from_child = from->child;
- to_child = to->child;
- /* for all object values in the object with more of them */
- while ((from_child != NULL) || (to_child != NULL))
- {
- int diff;
- if (from_child == NULL)
- {
- diff = 1;
- }
- else if (to_child == NULL)
- {
- diff = -1;
- }
- else
- {
- diff = compare_strings((unsigned char*)from_child->string, (unsigned char*)to_child->string, case_sensitive);
- }
-
- if (diff == 0)
- {
- /* both object keys are the same */
- size_t path_length = strlen((const char*)path);
- size_t from_child_name_length = pointer_encoded_length((unsigned char*)from_child->string);
- unsigned char *new_path = (unsigned char*)cJSON_malloc(path_length + from_child_name_length + sizeof("/"));
-
- sprintf((char*)new_path, "%s/", path);
- encode_string_as_pointer(new_path + path_length + 1, (unsigned char*)from_child->string);
-
- /* create a patch for the element */
- create_patches(patches, new_path, from_child, to_child, case_sensitive);
- cJSON_free(new_path);
-
- from_child = from_child->next;
- to_child = to_child->next;
- }
- else if (diff < 0)
- {
- /* object element doesn't exist in 'to' --> remove it */
- compose_patch(patches, (const unsigned char*)"remove", path, (unsigned char*)from_child->string, NULL);
-
- from_child = from_child->next;
- }
- else
- {
- /* object element doesn't exist in 'from' --> add it */
- compose_patch(patches, (const unsigned char*)"add", path, (unsigned char*)to_child->string, to_child);
-
- to_child = to_child->next;
- }
- }
- return;
- }
-
- default:
- break;
- }
-}
-
-CJSON_PUBLIC(cJSON *) cJSONUtils_GeneratePatches(cJSON * const from, cJSON * const to)
-{
- cJSON *patches = NULL;
-
- if ((from == NULL) || (to == NULL))
- {
- return NULL;
- }
-
- patches = cJSON_CreateArray();
- create_patches(patches, (const unsigned char*)"", from, to, false);
-
- return patches;
-}
-
-CJSON_PUBLIC(cJSON *) cJSONUtils_GeneratePatchesCaseSensitive(cJSON * const from, cJSON * const to)
-{
- cJSON *patches = NULL;
-
- if ((from == NULL) || (to == NULL))
- {
- return NULL;
- }
-
- patches = cJSON_CreateArray();
- create_patches(patches, (const unsigned char*)"", from, to, true);
-
- return patches;
-}
-
-CJSON_PUBLIC(void) cJSONUtils_SortObject(cJSON * const object)
-{
- sort_object(object, false);
-}
-
-CJSON_PUBLIC(void) cJSONUtils_SortObjectCaseSensitive(cJSON * const object)
-{
- sort_object(object, true);
-}
-
-static cJSON *merge_patch(cJSON *target, const cJSON * const patch, const cJSON_bool case_sensitive)
-{
- cJSON *patch_child = NULL;
-
- if (!cJSON_IsObject(patch))
- {
- /* scalar value, array or NULL, just duplicate */
- cJSON_Delete(target);
- return cJSON_Duplicate(patch, 1);
- }
-
- if (!cJSON_IsObject(target))
- {
- cJSON_Delete(target);
- target = cJSON_CreateObject();
- }
-
- patch_child = patch->child;
- while (patch_child != NULL)
- {
- if (cJSON_IsNull(patch_child))
- {
- /* NULL is the indicator to remove a value, see RFC7396 */
- if (case_sensitive)
- {
- cJSON_DeleteItemFromObjectCaseSensitive(target, patch_child->string);
- }
- else
- {
- cJSON_DeleteItemFromObject(target, patch_child->string);
- }
- }
- else
- {
- cJSON *replace_me = NULL;
- cJSON *replacement = NULL;
-
- if (case_sensitive)
- {
- replace_me = cJSON_DetachItemFromObjectCaseSensitive(target, patch_child->string);
- }
- else
- {
- replace_me = cJSON_DetachItemFromObject(target, patch_child->string);
- }
-
- replacement = merge_patch(replace_me, patch_child, case_sensitive);
- if (replacement == NULL)
- {
- return NULL;
- }
-
- cJSON_AddItemToObject(target, patch_child->string, replacement);
- }
- patch_child = patch_child->next;
- }
- return target;
-}
-
-CJSON_PUBLIC(cJSON *) cJSONUtils_MergePatch(cJSON *target, const cJSON * const patch)
-{
- return merge_patch(target, patch, false);
-}
-
-CJSON_PUBLIC(cJSON *) cJSONUtils_MergePatchCaseSensitive(cJSON *target, const cJSON * const patch)
-{
- return merge_patch(target, patch, true);
-}
-
-static cJSON *generate_merge_patch(cJSON * const from, cJSON * const to, const cJSON_bool case_sensitive)
-{
- cJSON *from_child = NULL;
- cJSON *to_child = NULL;
- cJSON *patch = NULL;
- if (to == NULL)
- {
- /* patch to delete everything */
- return cJSON_CreateNull();
- }
- if (!cJSON_IsObject(to) || !cJSON_IsObject(from))
- {
- return cJSON_Duplicate(to, 1);
- }
-
- sort_object(from, case_sensitive);
- sort_object(to, case_sensitive);
-
- from_child = from->child;
- to_child = to->child;
- patch = cJSON_CreateObject();
- while (from_child || to_child)
- {
- int diff;
- if (from_child != NULL)
- {
- if (to_child != NULL)
- {
- diff = strcmp(from_child->string, to_child->string);
- }
- else
- {
- diff = -1;
- }
- }
- else
- {
- diff = 1;
- }
-
- if (diff < 0)
- {
- /* from has a value that to doesn't have -> remove */
- cJSON_AddItemToObject(patch, from_child->string, cJSON_CreateNull());
-
- from_child = from_child->next;
- }
- else if (diff > 0)
- {
- /* to has a value that from doesn't have -> add to patch */
- cJSON_AddItemToObject(patch, to_child->string, cJSON_Duplicate(to_child, 1));
-
- to_child = to_child->next;
- }
- else
- {
- /* object key exists in both objects */
- if (!compare_json(from_child, to_child, case_sensitive))
- {
- /* not identical --> generate a patch */
- cJSON_AddItemToObject(patch, to_child->string, cJSONUtils_GenerateMergePatch(from_child, to_child));
- }
-
- /* next key in the object */
- from_child = from_child->next;
- to_child = to_child->next;
- }
- }
- if (patch->child == NULL)
- {
- /* no patch generated */
- cJSON_Delete(patch);
- return NULL;
- }
-
- return patch;
-}
-
-CJSON_PUBLIC(cJSON *) cJSONUtils_GenerateMergePatch(cJSON * const from, cJSON * const to)
-{
- return generate_merge_patch(from, to, false);
-}
-
-CJSON_PUBLIC(cJSON *) cJSONUtils_GenerateMergePatchCaseSensitive(cJSON * const from, cJSON * const to)
-{
- return generate_merge_patch(from, to, true);
-}
projects / esp-idf / commitdiff