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@@ -0,0 +1,2647 @@
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+/*
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+ Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
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+
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+ Permission is hereby granted, free of charge, to any person obtaining a copy
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+ of this software and associated documentation files (the "Software"), to deal
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+ in the Software without restriction, including without limitation the rights
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+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ copies of the Software, and to permit persons to whom the Software is
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+ furnished to do so, subject to the following conditions:
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+
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+ The above copyright notice and this permission notice shall be included in
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+ all copies or substantial portions of the Software.
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+
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+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+ THE SOFTWARE.
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+*/
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+
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+/* cJSON */
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+/* JSON parser in C. */
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+
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+/* disable warnings about old C89 functions in MSVC */
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+#if !defined(_CRT_SECURE_NO_DEPRECATE) && defined(_MSC_VER)
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+#define _CRT_SECURE_NO_DEPRECATE
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+#endif
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+
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+#ifdef __GNUC__
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+#pragma GCC visibility push(default)
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+#endif
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+#if defined(_MSC_VER)
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+#pragma warning(push)
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+/* disable warning about single line comments in system headers */
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+#pragma warning(disable : 4001)
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+#endif
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+
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+#include <ctype.h>
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+#include <float.h>
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+#include <limits.h>
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+#include <math.h>
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <string.h>
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+
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+#ifdef ENABLE_LOCALES
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+#include <locale.h>
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+#endif
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+
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+#if defined(_MSC_VER)
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+#pragma warning(pop)
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+#endif
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+#ifdef __GNUC__
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+#pragma GCC visibility pop
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+#endif
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+
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+#include "cJSON.h"
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+
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+/* define our own boolean type */
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+#ifdef true
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+#undef true
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+#endif
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+#define true ((cJSON_bool)1)
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+
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+#ifdef false
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+#undef false
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+#endif
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+#define false ((cJSON_bool)0)
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+
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+/* define isnan and isinf for ANSI C, if in C99 or above, isnan and isinf has been defined in math.h */
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+#ifndef isinf
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+#define isinf(d) (isnan((d - d)) && !isnan(d))
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+#endif
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+#ifndef isnan
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+#define isnan(d) (d != d)
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+#endif
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+
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+#ifndef NAN
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+#ifdef _WIN32
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+#define NAN sqrt(-1.0)
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+#else
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+#define NAN 0.0 / 0.0
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+#endif
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+#endif
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+
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+typedef struct {
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+ const unsigned char *json;
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+ size_t position;
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+} error;
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+static error global_error = {NULL, 0};
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+
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+CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void) { return (const char *)(global_error.json + global_error.position); }
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+
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+CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON *const item) {
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+ if(!cJSON_IsString(item)) {
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+ return NULL;
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+ }
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+
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+ return item->valuestring;
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+}
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+
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+CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON *const item) {
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+ if(!cJSON_IsNumber(item)) {
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+ return (double)NAN;
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+ }
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+
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+ return item->valuedouble;
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+}
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+
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+/* This is a safeguard to prevent copy-pasters from using incompatible C and header files */
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+#if(CJSON_VERSION_MAJOR != 1) || (CJSON_VERSION_MINOR != 7) || (CJSON_VERSION_PATCH != 18)
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+#error cJSON.h and cJSON.c have different versions. Make sure that both have the same.
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+#endif
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+
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+CJSON_PUBLIC(const char *) cJSON_Version(void) {
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+ static char version[15];
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+ sprintf(version, "%i.%i.%i", CJSON_VERSION_MAJOR, CJSON_VERSION_MINOR, CJSON_VERSION_PATCH);
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+
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+ return version;
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+}
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+
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+/* Case insensitive string comparison, doesn't consider two NULL pointers equal though */
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+static int case_insensitive_strcmp(const unsigned char *string1, const unsigned char *string2) {
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+ if((string1 == NULL) || (string2 == NULL)) {
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+ return 1;
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+ }
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+
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+ if(string1 == string2) {
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+ return 0;
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+ }
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+
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+ for(; tolower(*string1) == tolower(*string2); (void)string1++, string2++) {
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+ if(*string1 == '\0') {
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+ return 0;
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+ }
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+ }
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+
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+ return tolower(*string1) - tolower(*string2);
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+}
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+
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+typedef struct internal_hooks {
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+ void *(CJSON_CDECL *allocate)(size_t size);
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+ void(CJSON_CDECL *deallocate)(void *pointer);
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+ void *(CJSON_CDECL *reallocate)(void *pointer, size_t size);
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+} internal_hooks;
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+
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+#if defined(_MSC_VER)
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+/* work around MSVC error C2322: '...' address of dllimport '...' is not static */
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+static void *CJSON_CDECL internal_malloc(size_t size) { return malloc(size); }
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+static void CJSON_CDECL internal_free(void *pointer) { free(pointer); }
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+static void *CJSON_CDECL internal_realloc(void *pointer, size_t size) { return realloc(pointer, size); }
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+#else
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+#define internal_malloc malloc
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+#define internal_free free
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+#define internal_realloc realloc
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+#endif
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+
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+/* strlen of character literals resolved at compile time */
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+#define static_strlen(string_literal) (sizeof(string_literal) - sizeof(""))
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+
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+static internal_hooks global_hooks = {internal_malloc, internal_free, internal_realloc};
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+
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+static unsigned char *cJSON_strdup(const unsigned char *string, const internal_hooks *const hooks) {
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+ size_t length = 0;
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+ unsigned char *copy = NULL;
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+
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+ if(string == NULL) {
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+ return NULL;
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+ }
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+
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+ length = strlen((const char *)string) + sizeof("");
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+ copy = (unsigned char *)hooks->allocate(length);
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+ if(copy == NULL) {
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+ return NULL;
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+ }
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+ memcpy(copy, string, length);
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+
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+ return copy;
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+}
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+
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+CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks *hooks) {
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+ if(hooks == NULL) {
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+ /* Reset hooks */
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+ global_hooks.allocate = malloc;
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+ global_hooks.deallocate = free;
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+ global_hooks.reallocate = realloc;
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+ return;
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+ }
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+
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+ global_hooks.allocate = malloc;
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+ if(hooks->malloc_fn != NULL) {
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+ global_hooks.allocate = hooks->malloc_fn;
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+ }
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+
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+ global_hooks.deallocate = free;
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+ if(hooks->free_fn != NULL) {
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+ global_hooks.deallocate = hooks->free_fn;
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+ }
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+
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+ /* use realloc only if both free and malloc are used */
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+ global_hooks.reallocate = NULL;
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+ if((global_hooks.allocate == malloc) && (global_hooks.deallocate == free)) {
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+ global_hooks.reallocate = realloc;
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+ }
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+}
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+
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+/* Internal constructor. */
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+static cJSON *cJSON_New_Item(const internal_hooks *const hooks) {
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+ cJSON *node = (cJSON *)hooks->allocate(sizeof(cJSON));
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+ if(node) {
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+ memset(node, '\0', sizeof(cJSON));
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+ }
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+
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+ return node;
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+}
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+
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+/* Delete a cJSON structure. */
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+CJSON_PUBLIC(void) cJSON_Delete(cJSON *item) {
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+ cJSON *next = NULL;
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+ while(item != NULL) {
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+ next = item->next;
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+ if(!(item->type & cJSON_IsReference) && (item->child != NULL)) {
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+ cJSON_Delete(item->child);
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+ }
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+ if(!(item->type & cJSON_IsReference) && (item->valuestring != NULL)) {
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+ global_hooks.deallocate(item->valuestring);
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+ item->valuestring = NULL;
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+ }
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+ if(!(item->type & cJSON_StringIsConst) && (item->string != NULL)) {
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+ global_hooks.deallocate(item->string);
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+ item->string = NULL;
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+ }
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+ global_hooks.deallocate(item);
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+ item = next;
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+ }
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+}
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+
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+/* get the decimal point character of the current locale */
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+static unsigned char get_decimal_point(void) {
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+#ifdef ENABLE_LOCALES
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+ struct lconv *lconv = localeconv();
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+ return (unsigned char)lconv->decimal_point[0];
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+#else
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+ return '.';
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+#endif
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+}
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+
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+typedef struct {
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+ const unsigned char *content;
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+ size_t length;
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+ size_t offset;
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+ size_t depth; /* How deeply nested (in arrays/objects) is the input at the current offset. */
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+ internal_hooks hooks;
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+} parse_buffer;
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+
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+/* check if the given size is left to read in a given parse buffer (starting with 1) */
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+#define can_read(buffer, size) ((buffer != NULL) && (((buffer)->offset + size) <= (buffer)->length))
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+/* check if the buffer can be accessed at the given index (starting with 0) */
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+#define can_access_at_index(buffer, index) ((buffer != NULL) && (((buffer)->offset + index) < (buffer)->length))
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+#define cannot_access_at_index(buffer, index) (!can_access_at_index(buffer, index))
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+/* get a pointer to the buffer at the position */
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+#define buffer_at_offset(buffer) ((buffer)->content + (buffer)->offset)
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+
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+/* Parse the input text to generate a number, and populate the result into item. */
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+static cJSON_bool parse_number(cJSON *const item, parse_buffer *const input_buffer) {
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+ double number = 0;
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+ unsigned char *after_end = NULL;
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+ unsigned char number_c_string[64];
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+ unsigned char decimal_point = get_decimal_point();
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+ size_t i = 0;
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+
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+ if((input_buffer == NULL) || (input_buffer->content == NULL)) {
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+ return false;
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+ }
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+
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+ /* copy the number into a temporary buffer and replace '.' with the decimal point
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+ * of the current locale (for strtod)
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+ * This also takes care of '\0' not necessarily being available for marking the end of the input */
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+ for(i = 0; (i < (sizeof(number_c_string) - 1)) && can_access_at_index(input_buffer, i); i++) {
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+ switch(buffer_at_offset(input_buffer)[i]) {
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+ case '0':
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+ case '1':
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+ case '2':
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+ case '3':
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+ case '4':
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+ case '5':
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+ case '6':
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+ case '7':
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+ case '8':
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+ case '9':
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+ case '+':
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+ case '-':
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+ case 'e':
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+ case 'E':
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+ number_c_string[i] = buffer_at_offset(input_buffer)[i];
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+ break;
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+
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+ case '.':
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+ number_c_string[i] = decimal_point;
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+ break;
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+
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+ default:
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+ goto loop_end;
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+ }
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+ }
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+loop_end:
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+ number_c_string[i] = '\0';
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+
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+ number = strtod((const char *)number_c_string, (char **)&after_end);
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+ if(number_c_string == after_end) {
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+ return false; /* parse_error */
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+ }
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+
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+ item->valuedouble = number;
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+
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+ /* use saturation in case of overflow */
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+ if(number >= INT_MAX) {
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+ item->valueint = INT_MAX;
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+ } else if(number <= (double)INT_MIN) {
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+ item->valueint = INT_MIN;
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+ } else {
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+ item->valueint = (int)number;
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+ }
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+
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+ item->type = cJSON_Number;
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+
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+ input_buffer->offset += (size_t)(after_end - number_c_string);
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+ return true;
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+}
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+
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+/* don't ask me, but the original cJSON_SetNumberValue returns an integer or double */
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+CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number) {
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+ if(number >= INT_MAX) {
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+ object->valueint = INT_MAX;
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+ } else if(number <= (double)INT_MIN) {
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+ object->valueint = INT_MIN;
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+ } else {
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+ object->valueint = (int)number;
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+ }
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+
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+ return object->valuedouble = number;
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+}
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+
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+/* Note: when passing a NULL valuestring, cJSON_SetValuestring treats this as an error and return NULL */
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+CJSON_PUBLIC(char *) cJSON_SetValuestring(cJSON *object, const char *valuestring) {
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+ char *copy = NULL;
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+ /* if object's type is not cJSON_String or is cJSON_IsReference, it should not set valuestring */
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+ if((object == NULL) || !(object->type & cJSON_String) || (object->type & cJSON_IsReference)) {
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+ return NULL;
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+ }
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+ /* return NULL if the object is corrupted or valuestring is NULL */
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+ if(object->valuestring == NULL || valuestring == NULL) {
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+ return NULL;
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+ }
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+ if(strlen(valuestring) <= strlen(object->valuestring)) {
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+ strcpy(object->valuestring, valuestring);
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+ return object->valuestring;
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+ }
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+ copy = (char *)cJSON_strdup((const unsigned char *)valuestring, &global_hooks);
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+ if(copy == NULL) {
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+ return NULL;
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+ }
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+ if(object->valuestring != NULL) {
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+ cJSON_free(object->valuestring);
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+ }
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+ object->valuestring = copy;
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+
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+ return copy;
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+}
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+
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+typedef struct {
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+ unsigned char *buffer;
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+ size_t length;
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+ size_t offset;
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+ size_t depth; /* current nesting depth (for formatted printing) */
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+ cJSON_bool noalloc;
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+ cJSON_bool format; /* is this print a formatted print */
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+ internal_hooks hooks;
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+} printbuffer;
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+
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+/* realloc printbuffer if necessary to have at least "needed" bytes more */
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+static unsigned char *ensure(printbuffer *const p, size_t needed) {
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+ unsigned char *newbuffer = NULL;
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+ size_t newsize = 0;
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+
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+ if((p == NULL) || (p->buffer == NULL)) {
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+ return NULL;
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+ }
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+
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+ if((p->length > 0) && (p->offset >= p->length)) {
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+ /* make sure that offset is valid */
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+ return NULL;
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+ }
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+
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+ if(needed > INT_MAX) {
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+ /* sizes bigger than INT_MAX are currently not supported */
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+ return NULL;
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+ }
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+
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+ needed += p->offset + 1;
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+ if(needed <= p->length) {
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+ return p->buffer + p->offset;
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+ }
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+
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+ if(p->noalloc) {
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+ return NULL;
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+ }
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+
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+ /* calculate new buffer size */
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+ if(needed > (INT_MAX / 2)) {
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|
|
+ /* 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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);
|
|
|
+}
|
|
|
+
|
|
|
+/* securely comparison of floating-point variables */
|
|
|
+static cJSON_bool compare_double(double a, double b) {
|
|
|
+ double maxVal = fabs(a) > fabs(b) ? fabs(a) : fabs(b);
|
|
|
+ return (fabs(a - b) <= maxVal * DBL_EPSILON);
|
|
|
+}
|
|
|
+
|
|
|
+/* 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] = {0}; /* temporary buffer to print the number into */
|
|
|
+ unsigned char decimal_point = get_decimal_point();
|
|
|
+ double test = 0.0;
|
|
|
+
|
|
|
+ if(output_buffer == NULL) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* This checks for NaN and Infinity */
|
|
|
+ if(isnan(d) || isinf(d)) {
|
|
|
+ length = sprintf((char *)number_buffer, "null");
|
|
|
+ } else if(d == (double)item->valueint) {
|
|
|
+ length = sprintf((char *)number_buffer, "%d", item->valueint);
|
|
|
+ } 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) || !compare_double((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 occurred */
|
|
|
+ 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 + sizeof(""));
|
|
|
+ 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);
|
|
|
+ output = NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(cannot_access_at_index(buffer, 0)) {
|
|
|
+ return buffer;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *)
|
|
|
+cJSON_ParseWithOpts(const char *value, const char **return_parse_end, cJSON_bool require_null_terminated) {
|
|
|
+ size_t buffer_length;
|
|
|
+
|
|
|
+ if(NULL == value) {
|
|
|
+ return NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Adding null character size due to require_null_terminated. */
|
|
|
+ buffer_length = strlen(value) + sizeof("");
|
|
|
+
|
|
|
+ return cJSON_ParseWithLengthOpts(value, buffer_length, return_parse_end, require_null_terminated);
|
|
|
+}
|
|
|
+
|
|
|
+/* Parse an object - create a new root, and populate. */
|
|
|
+CJSON_PUBLIC(cJSON *)
|
|
|
+cJSON_ParseWithLengthOpts(const char *value, size_t buffer_length, 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 || 0 == buffer_length) {
|
|
|
+ goto fail;
|
|
|
+ }
|
|
|
+
|
|
|
+ buffer.content = (const unsigned char *)value;
|
|
|
+ buffer.length = buffer_length;
|
|
|
+ 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); }
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_ParseWithLength(const char *value, size_t buffer_length) {
|
|
|
+ return cJSON_ParseWithLengthOpts(value, buffer_length, 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) {
|
|
|
+ static const size_t default_buffer_size = 256;
|
|
|
+ printbuffer buffer[1];
|
|
|
+ unsigned char *printed = NULL;
|
|
|
+
|
|
|
+ memset(buffer, 0, sizeof(buffer));
|
|
|
+
|
|
|
+ /* create buffer */
|
|
|
+ buffer->buffer = (unsigned char *)hooks->allocate(default_buffer_size);
|
|
|
+ buffer->length = default_buffer_size;
|
|
|
+ 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->offset + 1);
|
|
|
+ if(printed == NULL) {
|
|
|
+ goto fail;
|
|
|
+ }
|
|
|
+ buffer->buffer = NULL;
|
|
|
+ } 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);
|
|
|
+ buffer->buffer = NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ return printed;
|
|
|
+
|
|
|
+fail:
|
|
|
+ if(buffer->buffer != NULL) {
|
|
|
+ hooks->deallocate(buffer->buffer);
|
|
|
+ buffer->buffer = NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(printed != NULL) {
|
|
|
+ hooks->deallocate(printed);
|
|
|
+ printed = NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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);
|
|
|
+ p.buffer = NULL;
|
|
|
+ return NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ return (char *)p.buffer;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON_bool) cJSON_PrintPreallocated(cJSON *item, char *buffer, const int length, const cJSON_bool format) {
|
|
|
+ printbuffer p = {0, 0, 0, 0, 0, 0, {0, 0, 0}};
|
|
|
+
|
|
|
+ if((length < 0) || (buffer == NULL)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ p.buffer = (unsigned char *)buffer;
|
|
|
+ p.length = (size_t)length;
|
|
|
+ p.offset = 0;
|
|
|
+ p.noalloc = true;
|
|
|
+ p.format = format;
|
|
|
+ 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) {
|
|
|
+ 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--;
|
|
|
+
|
|
|
+ if(head != NULL) {
|
|
|
+ head->prev = current_item;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(cannot_access_at_index(input_buffer, 1)) {
|
|
|
+ goto fail; /* nothing comes after the comma */
|
|
|
+ }
|
|
|
+
|
|
|
+ /* parse the name of the child */
|
|
|
+ input_buffer->offset++;
|
|
|
+ buffer_skip_whitespace(input_buffer);
|
|
|
+ if(!parse_string(current_item, input_buffer)) {
|
|
|
+ goto fail; /* failed 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--;
|
|
|
+
|
|
|
+ if(head != NULL) {
|
|
|
+ head->prev = current_item;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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) + (size_t)(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) && (current_element->string != 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;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if((current_element == NULL) || (current_element->string == NULL)) {
|
|
|
+ return NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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;
|
|
|
+}
|
|
|
+
|
|
|
+static cJSON_bool add_item_to_array(cJSON *array, cJSON *item) {
|
|
|
+ cJSON *child = NULL;
|
|
|
+
|
|
|
+ if((item == NULL) || (array == NULL) || (array == item)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ child = array->child;
|
|
|
+ /*
|
|
|
+ * To find the last item in array quickly, we use prev in array
|
|
|
+ */
|
|
|
+ if(child == NULL) {
|
|
|
+ /* list is empty, start new one */
|
|
|
+ array->child = item;
|
|
|
+ item->prev = item;
|
|
|
+ item->next = NULL;
|
|
|
+ } else {
|
|
|
+ /* append to the end */
|
|
|
+ if(child->prev) {
|
|
|
+ suffix_object(child->prev, item);
|
|
|
+ array->child->prev = item;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+/* Add item to array/object. */
|
|
|
+CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item) { return add_item_to_array(array, item); }
|
|
|
+
|
|
|
+#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
|
|
|
+/* helper function to cast away const */
|
|
|
+static void *cast_away_const(const void *string) { return (void *)string; }
|
|
|
+#if defined(__clang__) || (defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5))))
|
|
|
+#pragma GCC diagnostic pop
|
|
|
+#endif
|
|
|
+
|
|
|
+static cJSON_bool add_item_to_object(cJSON *const object, const char *const string, cJSON *const item,
|
|
|
+ const internal_hooks *const hooks, const cJSON_bool constant_key) {
|
|
|
+ char *new_key = NULL;
|
|
|
+ int new_type = cJSON_Invalid;
|
|
|
+
|
|
|
+ if((object == NULL) || (string == NULL) || (item == NULL) || (object == item)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(constant_key) {
|
|
|
+ new_key = (char *)cast_away_const(string);
|
|
|
+ new_type = item->type | cJSON_StringIsConst;
|
|
|
+ } else {
|
|
|
+ new_key = (char *)cJSON_strdup((const unsigned char *)string, hooks);
|
|
|
+ if(new_key == NULL) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ new_type = item->type & ~cJSON_StringIsConst;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(!(item->type & cJSON_StringIsConst) && (item->string != NULL)) {
|
|
|
+ hooks->deallocate(item->string);
|
|
|
+ }
|
|
|
+
|
|
|
+ item->string = new_key;
|
|
|
+ item->type = new_type;
|
|
|
+
|
|
|
+ return add_item_to_array(object, item);
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item) {
|
|
|
+ return add_item_to_object(object, string, item, &global_hooks, false);
|
|
|
+}
|
|
|
+
|
|
|
+/* Add an item to an object with constant string as key */
|
|
|
+CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item) {
|
|
|
+ return add_item_to_object(object, string, item, &global_hooks, true);
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item) {
|
|
|
+ if(array == NULL) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ return add_item_to_array(array, create_reference(item, &global_hooks));
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item) {
|
|
|
+ if((object == NULL) || (string == NULL)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ return add_item_to_object(object, string, create_reference(item, &global_hooks), &global_hooks, false);
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_AddNullToObject(cJSON *const object, const char *const name) {
|
|
|
+ cJSON *null = cJSON_CreateNull();
|
|
|
+ if(add_item_to_object(object, name, null, &global_hooks, false)) {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+
|
|
|
+ cJSON_Delete(null);
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_AddTrueToObject(cJSON *const object, const char *const name) {
|
|
|
+ cJSON *true_item = cJSON_CreateTrue();
|
|
|
+ if(add_item_to_object(object, name, true_item, &global_hooks, false)) {
|
|
|
+ return true_item;
|
|
|
+ }
|
|
|
+
|
|
|
+ cJSON_Delete(true_item);
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_AddFalseToObject(cJSON *const object, const char *const name) {
|
|
|
+ cJSON *false_item = cJSON_CreateFalse();
|
|
|
+ if(add_item_to_object(object, name, false_item, &global_hooks, false)) {
|
|
|
+ return false_item;
|
|
|
+ }
|
|
|
+
|
|
|
+ cJSON_Delete(false_item);
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_AddBoolToObject(cJSON *const object, const char *const name, const cJSON_bool boolean) {
|
|
|
+ cJSON *bool_item = cJSON_CreateBool(boolean);
|
|
|
+ if(add_item_to_object(object, name, bool_item, &global_hooks, false)) {
|
|
|
+ return bool_item;
|
|
|
+ }
|
|
|
+
|
|
|
+ cJSON_Delete(bool_item);
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_AddNumberToObject(cJSON *const object, const char *const name, const double number) {
|
|
|
+ cJSON *number_item = cJSON_CreateNumber(number);
|
|
|
+ if(add_item_to_object(object, name, number_item, &global_hooks, false)) {
|
|
|
+ return number_item;
|
|
|
+ }
|
|
|
+
|
|
|
+ cJSON_Delete(number_item);
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_AddStringToObject(cJSON *const object, const char *const name, const char *const string) {
|
|
|
+ cJSON *string_item = cJSON_CreateString(string);
|
|
|
+ if(add_item_to_object(object, name, string_item, &global_hooks, false)) {
|
|
|
+ return string_item;
|
|
|
+ }
|
|
|
+
|
|
|
+ cJSON_Delete(string_item);
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_AddRawToObject(cJSON *const object, const char *const name, const char *const raw) {
|
|
|
+ cJSON *raw_item = cJSON_CreateRaw(raw);
|
|
|
+ if(add_item_to_object(object, name, raw_item, &global_hooks, false)) {
|
|
|
+ return raw_item;
|
|
|
+ }
|
|
|
+
|
|
|
+ cJSON_Delete(raw_item);
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_AddObjectToObject(cJSON *const object, const char *const name) {
|
|
|
+ cJSON *object_item = cJSON_CreateObject();
|
|
|
+ if(add_item_to_object(object, name, object_item, &global_hooks, false)) {
|
|
|
+ return object_item;
|
|
|
+ }
|
|
|
+
|
|
|
+ cJSON_Delete(object_item);
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_AddArrayToObject(cJSON *const object, const char *const name) {
|
|
|
+ cJSON *array = cJSON_CreateArray();
|
|
|
+ if(add_item_to_object(object, name, array, &global_hooks, false)) {
|
|
|
+ return array;
|
|
|
+ }
|
|
|
+
|
|
|
+ cJSON_Delete(array);
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_DetachItemViaPointer(cJSON *parent, cJSON *const item) {
|
|
|
+ if((parent == NULL) || (item == NULL)) {
|
|
|
+ return NULL;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(item != parent->child) {
|
|
|
+ /* 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;
|
|
|
+ } else if(item->next == NULL) {
|
|
|
+ /* last element */
|
|
|
+ parent->child->prev = item->prev;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 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(cJSON_bool) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem) {
|
|
|
+ cJSON *after_inserted = NULL;
|
|
|
+
|
|
|
+ if(which < 0 || newitem == NULL) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ after_inserted = get_array_item(array, (size_t)which);
|
|
|
+ if(after_inserted == NULL) {
|
|
|
+ return add_item_to_array(array, newitem);
|
|
|
+ }
|
|
|
+
|
|
|
+ if(after_inserted != array->child && after_inserted->prev == NULL) {
|
|
|
+ /* return false if after_inserted is a corrupted array item */
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON *const parent, cJSON *const item, cJSON *replacement) {
|
|
|
+ if((parent == NULL) || (parent->child == 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(parent->child == item) {
|
|
|
+ if(parent->child->prev == parent->child) {
|
|
|
+ replacement->prev = replacement;
|
|
|
+ }
|
|
|
+ parent->child = replacement;
|
|
|
+ } else { /*
|
|
|
+ * To find the last item in array quickly, we use prev in array.
|
|
|
+ * We can't modify the last item's next pointer where this item was the parent's child
|
|
|
+ */
|
|
|
+ if(replacement->prev != NULL) {
|
|
|
+ replacement->prev->next = replacement;
|
|
|
+ }
|
|
|
+ if(replacement->next == NULL) {
|
|
|
+ parent->child->prev = replacement;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ item->next = NULL;
|
|
|
+ item->prev = NULL;
|
|
|
+ cJSON_Delete(item);
|
|
|
+
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem) {
|
|
|
+ if(which < 0) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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);
|
|
|
+ if(replacement->string == NULL) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ replacement->type &= ~cJSON_StringIsConst;
|
|
|
+
|
|
|
+ return cJSON_ReplaceItemViaPointer(object, get_object_item(object, string, case_sensitive), replacement);
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem) {
|
|
|
+ return replace_item_in_object(object, string, newitem, false);
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object, const char *string, cJSON *newitem) {
|
|
|
+ return 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 boolean) {
|
|
|
+ cJSON *item = cJSON_New_Item(&global_hooks);
|
|
|
+ if(item) {
|
|
|
+ item->type = boolean ? 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 <= (double)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_CreateStringReference(const char *string) {
|
|
|
+ cJSON *item = cJSON_New_Item(&global_hooks);
|
|
|
+ if(item != NULL) {
|
|
|
+ item->type = cJSON_String | cJSON_IsReference;
|
|
|
+ item->valuestring = (char *)cast_away_const(string);
|
|
|
+ }
|
|
|
+
|
|
|
+ return item;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_CreateObjectReference(const cJSON *child) {
|
|
|
+ cJSON *item = cJSON_New_Item(&global_hooks);
|
|
|
+ if(item != NULL) {
|
|
|
+ item->type = cJSON_Object | cJSON_IsReference;
|
|
|
+ item->child = (cJSON *)cast_away_const(child);
|
|
|
+ }
|
|
|
+
|
|
|
+ return item;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_CreateArrayReference(const cJSON *child) {
|
|
|
+ cJSON *item = cJSON_New_Item(&global_hooks);
|
|
|
+ if(item != NULL) {
|
|
|
+ item->type = cJSON_Array | cJSON_IsReference;
|
|
|
+ item->child = (cJSON *)cast_away_const(child);
|
|
|
+ }
|
|
|
+
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(a && a->child) {
|
|
|
+ a->child->prev = 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(a && a->child) {
|
|
|
+ a->child->prev = 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(a && a->child) {
|
|
|
+ a->child->prev = n;
|
|
|
+ }
|
|
|
+
|
|
|
+ return a;
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(cJSON *) cJSON_CreateStringArray(const char *const *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;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(a && a->child) {
|
|
|
+ a->child->prev = 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;
|
|
|
+ }
|
|
|
+ if(newitem && newitem->child) {
|
|
|
+ newitem->child->prev = newchild;
|
|
|
+ }
|
|
|
+
|
|
|
+ return newitem;
|
|
|
+
|
|
|
+fail:
|
|
|
+ if(newitem != NULL) {
|
|
|
+ cJSON_Delete(newitem);
|
|
|
+ }
|
|
|
+
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+static void skip_oneline_comment(char **input) {
|
|
|
+ *input += static_strlen("//");
|
|
|
+
|
|
|
+ for(; (*input)[0] != '\0'; ++(*input)) {
|
|
|
+ if((*input)[0] == '\n') {
|
|
|
+ *input += static_strlen("\n");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void skip_multiline_comment(char **input) {
|
|
|
+ *input += static_strlen("/*");
|
|
|
+
|
|
|
+ for(; (*input)[0] != '\0'; ++(*input)) {
|
|
|
+ if(((*input)[0] == '*') && ((*input)[1] == '/')) {
|
|
|
+ *input += static_strlen("*/");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void minify_string(char **input, char **output) {
|
|
|
+ (*output)[0] = (*input)[0];
|
|
|
+ *input += static_strlen("\"");
|
|
|
+ *output += static_strlen("\"");
|
|
|
+
|
|
|
+ for(; (*input)[0] != '\0'; (void)++(*input), ++(*output)) {
|
|
|
+ (*output)[0] = (*input)[0];
|
|
|
+
|
|
|
+ if((*input)[0] == '\"') {
|
|
|
+ (*output)[0] = '\"';
|
|
|
+ *input += static_strlen("\"");
|
|
|
+ *output += static_strlen("\"");
|
|
|
+ return;
|
|
|
+ } else if(((*input)[0] == '\\') && ((*input)[1] == '\"')) {
|
|
|
+ (*output)[1] = (*input)[1];
|
|
|
+ *input += static_strlen("\"");
|
|
|
+ *output += static_strlen("\"");
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+CJSON_PUBLIC(void) cJSON_Minify(char *json) {
|
|
|
+ char *into = json;
|
|
|
+
|
|
|
+ if(json == NULL) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ while(json[0] != '\0') {
|
|
|
+ switch(json[0]) {
|
|
|
+ case ' ':
|
|
|
+ case '\t':
|
|
|
+ case '\r':
|
|
|
+ case '\n':
|
|
|
+ json++;
|
|
|
+ break;
|
|
|
+
|
|
|
+ case '/':
|
|
|
+ if(json[1] == '/') {
|
|
|
+ skip_oneline_comment(&json);
|
|
|
+ } else if(json[1] == '*') {
|
|
|
+ skip_multiline_comment(&json);
|
|
|
+ } else {
|
|
|
+ json++;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+
|
|
|
+ case '\"':
|
|
|
+ minify_string(&json, (char **)&into);
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ into[0] = json[0];
|
|
|
+ json++;
|
|
|
+ into++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /* 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))) {
|
|
|
+ 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(compare_double(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);
|
|
|
+ object = NULL;
|
|
|
+}
|
Clément Wolf