version 1.1, 2016/10/18 13:28:18
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version 1.1.1.3, 2023/09/27 11:14:54
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/* |
/* |
Copyright (c) 2009 Dave Gamble | Copyright (c) 2009-2017 Dave Gamble and cJSON contributors |
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Permission is hereby granted, free of charge, to any person obtaining a copy |
Permission is hereby granted, free of charge, to any person obtaining a copy |
of this software and associated documentation files (the "Software"), to deal |
of this software and associated documentation files (the "Software"), to deal |
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/* cJSON */ |
/* cJSON */ |
/* JSON parser in C. */ |
/* JSON parser in C. */ |
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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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#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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#include "iperf_config.h" |
#include <string.h> |
#include <string.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <math.h> |
#include <math.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <float.h> |
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#include <limits.h> |
#include <limits.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <float.h> |
#ifdef HAVE_STDINT_H |
#ifdef HAVE_STDINT_H |
#include <stdint.h> | #include <stdint.h> |
#endif |
#endif |
#include <sys/types.h> |
#include <sys/types.h> |
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#ifdef ENABLE_LOCALES |
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#include <locale.h> |
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#endif |
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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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#include "cjson.h" |
#include "cjson.h" |
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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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#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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/* 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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#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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#if defined(HAVE_INTTYPES_H) |
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# include <inttypes.h> |
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#else |
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# ifndef PRIu64 |
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# if sizeof(long) == 8 |
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# define PRIu64 "lu" |
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# else |
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# define PRIu64 "llu" |
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# endif |
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# ifndef PRId64 |
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# if sizeof(long) == 8 |
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# define PRId64 "ld" |
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# else |
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# define PRId64 "lld" |
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# endif |
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# endif |
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# endif |
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#endif |
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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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#ifndef LLONG_MAX |
#ifndef LLONG_MAX |
#define LLONG_MAX 9223372036854775807LL |
#define LLONG_MAX 9223372036854775807LL |
#endif |
#endif |
#ifndef LLONG_MIN |
#ifndef LLONG_MIN |
#define LLONG_MIN (-LLONG_MAX - 1LL) |
#define LLONG_MIN (-LLONG_MAX - 1LL) |
#endif |
#endif |
static const char *global_ep; |
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const char *cJSON_GetErrorPtr(void) {return global_ep;} | CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void) |
| { |
| return (const char*) (global_error.json + global_error.position); |
| } |
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static int cJSON_strcasecmp(const char *s1,const char *s2) | CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON * const item) |
{ |
{ |
if (!s1) return (s1==s2)?0:1;if (!s2) return 1; | if (!cJSON_IsString(item)) |
for(; tolower(*s1) == tolower(*s2); ++s1, ++s2) if(*s1 == 0) return 0; | { |
return tolower(*(const unsigned char *)s1) - tolower(*(const unsigned char *)s2); | return NULL; |
| } |
| |
| return item->valuestring; |
} |
} |
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static void *(*cJSON_malloc)(size_t sz) = malloc; | CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON * const item) |
static void (*cJSON_free)(void *ptr) = free; | { |
| if (!cJSON_IsNumber(item)) |
| { |
| return (double) NAN; // cppcheck-suppress invalidFunctionArg |
| } |
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static char* cJSON_strdup(const char* str) | return item->valuedouble; |
| } |
| |
| /* This is a safeguard to prevent copy-pasters from using incompatible C and header files */ |
| #if (CJSON_VERSION_MAJOR != 1) || (CJSON_VERSION_MINOR != 7) || (CJSON_VERSION_PATCH != 15) |
| #error cJSON.h and cJSON.c have different versions. Make sure that both have the same. |
| #endif |
| |
| CJSON_PUBLIC(const char*) cJSON_Version(void) |
{ |
{ |
size_t len; | static char version[15]; |
char* copy; | sprintf(version, "%i.%i.%i", CJSON_VERSION_MAJOR, CJSON_VERSION_MINOR, CJSON_VERSION_PATCH); |
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len = strlen(str) + 1; | return version; |
if (!(copy = (char*)cJSON_malloc(len))) return 0; | |
memcpy(copy,str,len); | |
return copy; | |
} |
} |
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void cJSON_InitHooks(cJSON_Hooks* hooks) | /* Case insensitive string comparison, doesn't consider two NULL pointers equal though */ |
| static int case_insensitive_strcmp(const unsigned char *string1, const unsigned char *string2) |
{ |
{ |
if (!hooks) { /* Reset hooks */ | if ((string1 == NULL) || (string2 == NULL)) |
cJSON_malloc = malloc; | { |
cJSON_free = free; | return 1; |
| } |
| |
| if (string1 == string2) |
| { |
| return 0; |
| } |
| |
| for(; tolower(*string1) == tolower(*string2); (void)string1++, string2++) |
| { |
| if (*string1 == '\0') |
| { |
| return 0; |
| } |
| } |
| |
| return tolower(*string1) - tolower(*string2); |
| } |
| |
| typedef struct internal_hooks |
| { |
| void *(CJSON_CDECL *allocate)(size_t size); |
| void (CJSON_CDECL *deallocate)(void *pointer); |
| void *(CJSON_CDECL *reallocate)(void *pointer, size_t size); |
| } internal_hooks; |
| |
| #if defined(_MSC_VER) |
| /* work around MSVC error C2322: '...' address of dllimport '...' is not static */ |
| static void * CJSON_CDECL internal_malloc(size_t size) |
| { |
| return malloc(size); |
| } |
| static void CJSON_CDECL internal_free(void *pointer) |
| { |
| free(pointer); |
| } |
| static void * CJSON_CDECL internal_realloc(void *pointer, size_t size) |
| { |
| return realloc(pointer, size); |
| } |
| #else |
| #define internal_malloc malloc |
| #define internal_free free |
| #define internal_realloc realloc |
| #endif |
| |
| /* strlen of character literals resolved at compile time */ |
| #define static_strlen(string_literal) (sizeof(string_literal) - sizeof("")) |
| |
| static internal_hooks global_hooks = { internal_malloc, internal_free, internal_realloc }; |
| |
| static unsigned char* cJSON_strdup(const unsigned char* string, const internal_hooks * const hooks) |
| { |
| size_t length = 0; |
| unsigned char *copy = NULL; |
| |
| if (string == NULL) |
| { |
| return NULL; |
| } |
| |
| length = strlen((const char*)string) + sizeof(""); |
| copy = (unsigned char*)hooks->allocate(length); |
| if (copy == NULL) |
| { |
| return NULL; |
| } |
| memcpy(copy, string, length); |
| |
| return copy; |
| } |
| |
| CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks* hooks) |
| { |
| if (hooks == NULL) |
| { |
| /* Reset hooks */ |
| global_hooks.allocate = malloc; |
| global_hooks.deallocate = free; |
| global_hooks.reallocate = realloc; |
return; |
return; |
} |
} |
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cJSON_malloc = (hooks->malloc_fn)?hooks->malloc_fn:malloc; | global_hooks.allocate = malloc; |
cJSON_free = (hooks->free_fn)?hooks->free_fn:free; | if (hooks->malloc_fn != NULL) |
| { |
| global_hooks.allocate = hooks->malloc_fn; |
| } |
| |
| global_hooks.deallocate = free; |
| if (hooks->free_fn != NULL) |
| { |
| global_hooks.deallocate = hooks->free_fn; |
| } |
| |
| /* use realloc only if both free and malloc are used */ |
| global_hooks.reallocate = NULL; |
| if ((global_hooks.allocate == malloc) && (global_hooks.deallocate == free)) |
| { |
| global_hooks.reallocate = realloc; |
| } |
} |
} |
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/* Internal constructor. */ |
/* Internal constructor. */ |
static cJSON *cJSON_New_Item(void) | static cJSON *cJSON_New_Item(const internal_hooks * const hooks) |
{ |
{ |
cJSON* node = (cJSON*)cJSON_malloc(sizeof(cJSON)); | cJSON* node = (cJSON*)hooks->allocate(sizeof(cJSON)); |
if (node) memset(node,0,sizeof(cJSON)); | if (node) |
return node; | { |
| memset(node, '\0', sizeof(cJSON)); |
| } |
| |
| return node; |
} |
} |
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/* Delete a cJSON structure. */ |
/* Delete a cJSON structure. */ |
void cJSON_Delete(cJSON *c) | CJSON_PUBLIC(void) cJSON_Delete(cJSON *item) |
{ |
{ |
cJSON *next; | cJSON *next = NULL; |
while (c) | while (item != NULL) |
{ | { |
next=c->next; | next = item->next; |
if (!(c->type&cJSON_IsReference) && c->child) cJSON_Delete(c->child); | if (!(item->type & cJSON_IsReference) && (item->child != NULL)) |
if (!(c->type&cJSON_IsReference) && c->valuestring) cJSON_free(c->valuestring); | { |
if (!(c->type&cJSON_StringIsConst) && c->string) cJSON_free(c->string); | cJSON_Delete(item->child); |
cJSON_free(c); | } |
c=next; | if (!(item->type & cJSON_IsReference) && (item->valuestring != NULL)) |
} | { |
| global_hooks.deallocate(item->valuestring); |
| } |
| if (!(item->type & cJSON_StringIsConst) && (item->string != NULL)) |
| { |
| global_hooks.deallocate(item->string); |
| } |
| global_hooks.deallocate(item); |
| item = next; |
| } |
} |
} |
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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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{ |
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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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typedef struct |
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{ |
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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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/* 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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/* Parse the input text to generate a number, and populate the result into item. */ |
/* Parse the input text to generate a number, and populate the result into item. */ |
static const char *parse_number(cJSON *item,const char *num) | static cJSON_bool parse_number(cJSON * const item, parse_buffer * const input_buffer) |
{ |
{ |
double n=0,sign=1,scale=0;int subscale=0,signsubscale=1; | double number = 0; |
| unsigned char *after_end = NULL; |
| unsigned char number_c_string[64]; |
| unsigned char decimal_point = get_decimal_point(); |
| size_t i = 0; |
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if (*num=='-') sign=-1,num++; /* Has sign? */ | if ((input_buffer == NULL) || (input_buffer->content == NULL)) |
if (*num=='0') num++; /* is zero */ | { |
if (*num>='1' && *num<='9') do n=(n*10.0)+(*num++ -'0'); while (*num>='0' && *num<='9'); /* Number? */ | return false; |
if (*num=='.' && num[1]>='0' && num[1]<='9') {num++; do n=(n*10.0)+(*num++ -'0'),scale--; while (*num>='0' && *num<='9');} /* Fractional part? */ | } |
if (*num=='e' || *num=='E') /* Exponent? */ | |
{ num++;if (*num=='+') num++; else if (*num=='-') signsubscale=-1,num++; /* With sign? */ | |
while (*num>='0' && *num<='9') subscale=(subscale*10)+(*num++ - '0'); /* Number? */ | |
} | |
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n=sign*n*pow(10.0,(scale+subscale*signsubscale)); /* number = +/- number.fraction * 10^+/- exponent */ | /* copy the number into a temporary buffer and replace '.' with the decimal point |
| * of the current locale (for strtod) |
item->valuedouble=n; | * This also takes care of '\0' not necessarily being available for marking the end of the input */ |
item->valueint=(int64_t)n; | for (i = 0; (i < (sizeof(number_c_string) - 1)) && can_access_at_index(input_buffer, i); i++) |
item->type=cJSON_Number; | { |
return num; | switch (buffer_at_offset(input_buffer)[i]) |
| { |
| case '0': |
| case '1': |
| case '2': |
| case '3': |
| case '4': |
| case '5': |
| case '6': |
| case '7': |
| case '8': |
| case '9': |
| case '+': |
| case '-': |
| case 'e': |
| case 'E': |
| number_c_string[i] = buffer_at_offset(input_buffer)[i]; |
| break; |
| |
| case '.': |
| number_c_string[i] = decimal_point; |
| break; |
| |
| default: |
| goto loop_end; |
| } |
| } |
| loop_end: |
| number_c_string[i] = '\0'; |
| |
| number = strtod((const char*)number_c_string, (char**)&after_end); |
| if (number_c_string == after_end) |
| { |
| return false; /* parse_error */ |
| } |
| |
| item->valuedouble = number; |
| |
| /* use saturation in case of overflow */ |
| if (number >= LLONG_MAX) |
| { |
| item->valueint = LLONG_MAX; |
| } |
| else if (number <= (double)LLONG_MIN) |
| { |
| item->valueint = LLONG_MIN; |
| } |
| else |
| { |
| item->valueint = (int64_t)number; |
| } |
| |
| item->type = cJSON_Number; |
| |
| input_buffer->offset += (size_t)(after_end - number_c_string); |
| return true; |
} |
} |
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static int pow2gt (int x) { --x; x|=x>>1; x|=x>>2; x|=x>>4; x|=x>>8; x|=x>>16; return x+1; } | /* don't ask me, but the original cJSON_SetNumberValue returns an integer or double */ |
| CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number) |
| { |
| if (number >= LLONG_MAX) |
| { |
| object->valueint = LLONG_MAX; |
| } |
| else if (number <= (double)LLONG_MIN) |
| { |
| object->valueint = LLONG_MIN; |
| } |
| else |
| { |
| object->valueint = (int64_t)number; |
| } |
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typedef struct {char *buffer; int length; int offset; } printbuffer; | return object->valuedouble = number; |
| } |
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static char* ensure(printbuffer *p,int needed) | CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring) |
{ |
{ |
char *newbuffer;int newsize; | char *copy = NULL; |
if (!p || !p->buffer) return 0; | /* if object's type is not cJSON_String or is cJSON_IsReference, it should not set valuestring */ |
needed+=p->offset; | if (!(object->type & cJSON_String) || (object->type & cJSON_IsReference)) |
if (needed<=p->length) return p->buffer+p->offset; | { |
| return NULL; |
| } |
| if (strlen(valuestring) <= strlen(object->valuestring)) |
| { |
| strcpy(object->valuestring, valuestring); |
| return object->valuestring; |
| } |
| copy = (char*) cJSON_strdup((const unsigned char*)valuestring, &global_hooks); |
| if (copy == NULL) |
| { |
| return NULL; |
| } |
| if (object->valuestring != NULL) |
| { |
| cJSON_free(object->valuestring); |
| } |
| object->valuestring = copy; |
|
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newsize=pow2gt(needed); | return copy; |
newbuffer=(char*)cJSON_malloc(newsize); | |
if (!newbuffer) {cJSON_free(p->buffer);p->length=0,p->buffer=0;return 0;} | |
if (newbuffer) memcpy(newbuffer,p->buffer,p->length); | |
cJSON_free(p->buffer); | |
p->length=newsize; | |
p->buffer=newbuffer; | |
return newbuffer+p->offset; | |
} |
} |
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static int update(printbuffer *p) | typedef struct |
{ |
{ |
char *str; | unsigned char *buffer; |
if (!p || !p->buffer) return 0; | size_t length; |
str=p->buffer+p->offset; | size_t offset; |
return p->offset+strlen(str); | size_t depth; /* current nesting depth (for formatted printing) */ |
| cJSON_bool noalloc; |
| cJSON_bool format; /* is this print a formatted print */ |
| internal_hooks hooks; |
| } printbuffer; |
| |
| /* realloc printbuffer if necessary to have at least "needed" bytes more */ |
| static unsigned char* ensure(printbuffer * const p, size_t needed) |
| { |
| unsigned char *newbuffer = NULL; |
| size_t newsize = 0; |
| |
| if ((p == NULL) || (p->buffer == NULL)) |
| { |
| return NULL; |
| } |
| |
| if ((p->length > 0) && (p->offset >= p->length)) |
| { |
| /* make sure that offset is valid */ |
| return NULL; |
| } |
| |
| if (needed > SIZE_MAX) |
| { |
| /* sizes bigger than SIZE_MAX are currently not supported */ |
| return NULL; |
| } |
| |
| needed += p->offset + 1; |
| if (needed <= p->length) |
| { |
| return p->buffer + p->offset; |
| } |
| |
| if (p->noalloc) { |
| return NULL; |
| } |
| |
| /* calculate new buffer size */ |
| if (needed > (SIZE_MAX / 2)) |
| { |
| /* overflow of int, use SIZE_MAX if possible */ |
| if (needed <= SIZE_MAX) |
| { |
| newsize = SIZE_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; |
} |
} |
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/* calculate the new length of the string in a printbuffer and update the offset */ |
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static void update_offset(printbuffer * const buffer) |
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{ |
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const unsigned char *buffer_pointer = NULL; |
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if ((buffer == NULL) || (buffer->buffer == NULL)) |
|
{ |
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return; |
|
} |
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buffer_pointer = buffer->buffer + buffer->offset; |
|
|
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buffer->offset += strlen((const char*)buffer_pointer); |
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} |
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/* securely comparison of floating-point variables */ |
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static cJSON_bool compare_double(double a, double b) |
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{ |
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double maxVal = fabs(a) > fabs(b) ? fabs(a) : fabs(b); |
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return (fabs(a - b) <= maxVal * DBL_EPSILON); |
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} |
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/* Render the number nicely from the given item into a string. */ |
/* Render the number nicely from the given item into a string. */ |
static char *print_number(cJSON *item,printbuffer *p) | static cJSON_bool print_number(const cJSON * const item, printbuffer * const output_buffer) |
{ |
{ |
char *str=0; | unsigned char *output_pointer = NULL; |
double d=item->valuedouble; | double d = item->valuedouble; |
if (d==0) | int length = 0; |
{ | size_t i = 0; |
if (p) str=ensure(p,2); | unsigned char number_buffer[26] = {0}; /* temporary buffer to print the number into */ |
else str=(char*)cJSON_malloc(2); /* special case for 0. */ | unsigned char decimal_point = get_decimal_point(); |
if (str) strcpy(str,"0"); | double test = 0.0; |
} | |
else if (fabs(((double)item->valueint)-d)<=DBL_EPSILON && d<=LLONG_MAX && d>=LLONG_MIN) | if (output_buffer == NULL) |
{ | { |
if (p) str=ensure(p,64); | return false; |
else str=(char*)cJSON_malloc(64); | } |
if (str) sprintf(str,"%lld",(long long) item->valueint); | |
} | /* This checks for NaN and Infinity */ |
else | if (isnan(d) || isinf(d)) |
{ | { |
if (p) str=ensure(p,64); | length = sprintf((char*)number_buffer, "null"); |
else str=(char*)cJSON_malloc(64); /* This is a nice tradeoff. */ | } |
if (str) | else if(d == (double)item->valueint) |
{ | { |
if (fpclassify(d) != FP_ZERO && !isnormal(d)) sprintf(str,"null"); | length = sprintf((char*)number_buffer, "%" PRId64, item->valueint); |
else if (fabs(floor(d)-d)<=DBL_EPSILON && fabs(d)<1.0e60) sprintf(str,"%.0f",d); | } |
else if (fabs(d)<1.0e-6 || fabs(d)>1.0e9) sprintf(str,"%e",d); | else |
else sprintf(str,"%f",d); | { |
} | /* Try 15 decimal places of precision to avoid nonsignificant nonzero digits */ |
} | length = sprintf((char*)number_buffer, "%1.15g", d); |
return str; | |
| /* 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; |
} |
} |
|
|
static unsigned parse_hex4(const char *str) | /* parse 4 digit hexadecimal number */ |
| static unsigned parse_hex4(const unsigned char * const input) |
{ |
{ |
unsigned h=0; | unsigned int h = 0; |
if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0; | size_t i = 0; |
h=h<<4;str++; | |
if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0; | for (i = 0; i < 4; i++) |
h=h<<4;str++; | { |
if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0; | /* parse digit */ |
h=h<<4;str++; | if ((input[i] >= '0') && (input[i] <= '9')) |
if (*str>='0' && *str<='9') h+=(*str)-'0'; else if (*str>='A' && *str<='F') h+=10+(*str)-'A'; else if (*str>='a' && *str<='f') h+=10+(*str)-'a'; else return 0; | { |
return h; | 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; |
} |
} |
|
|
/* Parse the input text into an unescaped cstring, and populate item. */ | /* converts a UTF-16 literal to UTF-8 |
static const unsigned char firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; | * A literal can be one or two sequences of the form \uXXXX */ |
static const char *parse_string(cJSON *item,const char *str,const char **ep) | static unsigned char utf16_literal_to_utf8(const unsigned char * const input_pointer, const unsigned char * const input_end, unsigned char **output_pointer) |
{ |
{ |
const char *ptr=str+1,*end_ptr=str+1;char *ptr2;char *out;int len=0;unsigned uc,uc2; | long unsigned int codepoint = 0; |
if (*str!='\"') {*ep=str;return 0;} /* not a string! */ | unsigned int first_code = 0; |
| const unsigned char *first_sequence = input_pointer; |
while (*end_ptr!='\"' && *end_ptr && ++len) if (*end_ptr++ == '\\') end_ptr++; /* Skip escaped quotes. */ | unsigned char utf8_length = 0; |
| unsigned char utf8_position = 0; |
out=(char*)cJSON_malloc(len+1); /* This is how long we need for the string, roughly. */ | unsigned char sequence_length = 0; |
if (!out) return 0; | unsigned char first_byte_mark = 0; |
item->valuestring=out; /* assign here so out will be deleted during cJSON_Delete() later */ | |
item->type=cJSON_String; | |
| |
ptr=str+1;ptr2=out; | |
while (ptr < end_ptr) | |
{ | |
if (*ptr!='\\') *ptr2++=*ptr++; | |
else | |
{ | |
ptr++; | |
switch (*ptr) | |
{ | |
case 'b': *ptr2++='\b'; break; | |
case 'f': *ptr2++='\f'; break; | |
case 'n': *ptr2++='\n'; break; | |
case 'r': *ptr2++='\r'; break; | |
case 't': *ptr2++='\t'; break; | |
case 'u': /* transcode utf16 to utf8. */ | |
uc=parse_hex4(ptr+1);ptr+=4; /* get the unicode char. */ | |
if (ptr >= end_ptr) {*ep=str;return 0;} /* invalid */ | |
| |
if ((uc>=0xDC00 && uc<=0xDFFF) || uc==0) {*ep=str;return 0;} /* check for invalid. */ | |
| |
if (uc>=0xD800 && uc<=0xDBFF) /* UTF16 surrogate pairs. */ | |
{ | |
if (ptr+6 > end_ptr) {*ep=str;return 0;} /* invalid */ | |
if (ptr[1]!='\\' || ptr[2]!='u') {*ep=str;return 0;} /* missing second-half of surrogate. */ | |
uc2=parse_hex4(ptr+3);ptr+=6; | |
if (uc2<0xDC00 || uc2>0xDFFF) {*ep=str;return 0;} /* invalid second-half of surrogate. */ | |
uc=0x10000 + (((uc&0x3FF)<<10) | (uc2&0x3FF)); | |
} | |
|
|
len=4;if (uc<0x80) len=1;else if (uc<0x800) len=2;else if (uc<0x10000) len=3; ptr2+=len; | if ((input_end - first_sequence) < 6) |
| { |
switch (len) { | /* input ends unexpectedly */ |
case 4: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6; | goto fail; |
case 3: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6; | } |
case 2: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6; | |
case 1: *--ptr2 =(uc | firstByteMark[len]); | /* get the first utf16 sequence */ |
} | first_code = parse_hex4(first_sequence + 2); |
ptr2+=len; | |
break; | /* check that the code is valid */ |
default: *ptr2++=*ptr; break; | if (((first_code >= 0xDC00) && (first_code <= 0xDFFF))) |
} | { |
ptr++; | goto fail; |
} | } |
} | |
*ptr2=0; | /* UTF16 surrogate pair */ |
if (*ptr=='\"') ptr++; | if ((first_code >= 0xD800) && (first_code <= 0xDBFF)) |
return ptr; | { |
| const unsigned char *second_sequence = first_sequence + 6; |
| unsigned int second_code = 0; |
| sequence_length = 12; /* \uXXXX\uXXXX */ |
| |
| if ((input_end - second_sequence) < 6) |
| { |
| /* input ends unexpectedly */ |
| goto fail; |
| } |
| |
| if ((second_sequence[0] != '\\') || (second_sequence[1] != 'u')) |
| { |
| /* missing second half of the surrogate pair */ |
| goto fail; |
| } |
| |
| /* get the second utf16 sequence */ |
| second_code = parse_hex4(second_sequence + 2); |
| /* check that the code is valid */ |
| if ((second_code < 0xDC00) || (second_code > 0xDFFF)) |
| { |
| /* invalid second half of the surrogate pair */ |
| goto fail; |
| } |
| |
| |
| /* calculate the unicode codepoint from the surrogate pair */ |
| codepoint = 0x10000 + (((first_code & 0x3FF) << 10) | (second_code & 0x3FF)); |
| } |
| else |
| { |
| sequence_length = 6; /* \uXXXX */ |
| codepoint = first_code; |
| } |
| |
| /* encode as UTF-8 |
| * takes at maximum 4 bytes to encode: |
| * 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */ |
| if (codepoint < 0x80) |
| { |
| /* normal ascii, encoding 0xxxxxxx */ |
| utf8_length = 1; |
| } |
| else if (codepoint < 0x800) |
| { |
| /* two bytes, encoding 110xxxxx 10xxxxxx */ |
| utf8_length = 2; |
| first_byte_mark = 0xC0; /* 11000000 */ |
| } |
| else if (codepoint < 0x10000) |
| { |
| /* three bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx */ |
| utf8_length = 3; |
| first_byte_mark = 0xE0; /* 11100000 */ |
| } |
| else if (codepoint <= 0x10FFFF) |
| { |
| /* four bytes, encoding 1110xxxx 10xxxxxx 10xxxxxx 10xxxxxx */ |
| utf8_length = 4; |
| first_byte_mark = 0xF0; /* 11110000 */ |
| } |
| else |
| { |
| /* invalid unicode codepoint */ |
| goto fail; |
| } |
| |
| /* encode as utf8 */ |
| for (utf8_position = (unsigned char)(utf8_length - 1); utf8_position > 0; utf8_position--) |
| { |
| /* 10xxxxxx */ |
| (*output_pointer)[utf8_position] = (unsigned char)((codepoint | 0x80) & 0xBF); |
| codepoint >>= 6; |
| } |
| /* encode first byte */ |
| if (utf8_length > 1) |
| { |
| (*output_pointer)[0] = (unsigned char)((codepoint | first_byte_mark) & 0xFF); |
| } |
| else |
| { |
| (*output_pointer)[0] = (unsigned char)(codepoint & 0x7F); |
| } |
| |
| *output_pointer += utf8_length; |
| |
| return sequence_length; |
| |
| fail: |
| return 0; |
} |
} |
|
|
|
/* Parse the input text into an unescaped cinput, and populate item. */ |
|
static cJSON_bool parse_string(cJSON * const item, parse_buffer * const input_buffer) |
|
{ |
|
const unsigned char *input_pointer = buffer_at_offset(input_buffer) + 1; |
|
const unsigned char *input_end = buffer_at_offset(input_buffer) + 1; |
|
unsigned char *output_pointer = NULL; |
|
unsigned char *output = NULL; |
|
|
|
/* not a string */ |
|
if (buffer_at_offset(input_buffer)[0] != '\"') |
|
{ |
|
goto fail; |
|
} |
|
|
|
{ |
|
/* calculate approximate size of the output (overestimate) */ |
|
size_t allocation_length = 0; |
|
size_t skipped_bytes = 0; |
|
while (((size_t)(input_end - input_buffer->content) < input_buffer->length) && (*input_end != '\"')) |
|
{ |
|
/* is escape sequence */ |
|
if (input_end[0] == '\\') |
|
{ |
|
if ((size_t)(input_end + 1 - input_buffer->content) >= input_buffer->length) |
|
{ |
|
/* prevent buffer overflow when last input character is a backslash */ |
|
goto fail; |
|
} |
|
skipped_bytes++; |
|
input_end++; |
|
} |
|
input_end++; |
|
} |
|
if (((size_t)(input_end - input_buffer->content) >= input_buffer->length) || (*input_end != '\"')) |
|
{ |
|
goto fail; /* string ended unexpectedly */ |
|
} |
|
|
|
/* This is at most how much we need for the output */ |
|
allocation_length = (size_t) (input_end - buffer_at_offset(input_buffer)) - skipped_bytes; |
|
output = (unsigned char*)input_buffer->hooks.allocate(allocation_length + sizeof("")); |
|
if (output == NULL) |
|
{ |
|
goto fail; /* allocation failure */ |
|
} |
|
} |
|
|
|
output_pointer = output; |
|
/* loop through the string literal */ |
|
while (input_pointer < input_end) |
|
{ |
|
if (*input_pointer != '\\') |
|
{ |
|
*output_pointer++ = *input_pointer++; |
|
} |
|
/* escape sequence */ |
|
else |
|
{ |
|
unsigned char sequence_length = 2; |
|
if ((input_end - input_pointer) < 1) |
|
{ |
|
goto fail; |
|
} |
|
|
|
switch (input_pointer[1]) |
|
{ |
|
case 'b': |
|
*output_pointer++ = '\b'; |
|
break; |
|
case 'f': |
|
*output_pointer++ = '\f'; |
|
break; |
|
case 'n': |
|
*output_pointer++ = '\n'; |
|
break; |
|
case 'r': |
|
*output_pointer++ = '\r'; |
|
break; |
|
case 't': |
|
*output_pointer++ = '\t'; |
|
break; |
|
case '\"': |
|
case '\\': |
|
case '/': |
|
*output_pointer++ = input_pointer[1]; |
|
break; |
|
|
|
/* UTF-16 literal */ |
|
case 'u': |
|
sequence_length = utf16_literal_to_utf8(input_pointer, input_end, &output_pointer); |
|
if (sequence_length == 0) |
|
{ |
|
/* failed to convert UTF16-literal to UTF-8 */ |
|
goto fail; |
|
} |
|
break; |
|
|
|
default: |
|
goto fail; |
|
} |
|
input_pointer += sequence_length; |
|
} |
|
} |
|
|
|
/* zero terminate the output */ |
|
*output_pointer = '\0'; |
|
|
|
item->type = cJSON_String; |
|
item->valuestring = (char*)output; |
|
|
|
input_buffer->offset = (size_t) (input_end - input_buffer->content); |
|
input_buffer->offset++; |
|
|
|
return true; |
|
|
|
fail: |
|
if (output != NULL) |
|
{ |
|
input_buffer->hooks.deallocate(output); |
|
} |
|
|
|
if (input_pointer != NULL) |
|
{ |
|
input_buffer->offset = (size_t)(input_pointer - input_buffer->content); |
|
} |
|
|
|
return false; |
|
} |
|
|
/* Render the cstring provided to an escaped version that can be printed. */ |
/* Render the cstring provided to an escaped version that can be printed. */ |
static char *print_string_ptr(const char *str,printbuffer *p) | static cJSON_bool print_string_ptr(const unsigned char * const input, printbuffer * const output_buffer) |
{ |
{ |
const char *ptr;char *ptr2,*out;int len=0,flag=0;unsigned char token; | 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 (!str) | if (output_buffer == NULL) |
{ | { |
if (p) out=ensure(p,3); | return false; |
else out=(char*)cJSON_malloc(3); | } |
if (!out) return 0; | |
strcpy(out,"\"\""); | |
return out; | |
} | |
| |
for (ptr=str;*ptr;ptr++) flag|=((*ptr>0 && *ptr<32)||(*ptr=='\"')||(*ptr=='\\'))?1:0; | |
if (!flag) | |
{ | |
len=ptr-str; | |
if (p) out=ensure(p,len+3); | |
else out=(char*)cJSON_malloc(len+3); | |
if (!out) return 0; | |
ptr2=out;*ptr2++='\"'; | |
strcpy(ptr2,str); | |
ptr2[len]='\"'; | |
ptr2[len+1]=0; | |
return out; | |
} | |
| |
ptr=str;while ((token=*ptr) && ++len) {if (strchr("\"\\\b\f\n\r\t",token)) len++; else if (token<32) len+=5;ptr++;} | |
| |
if (p) out=ensure(p,len+3); | |
else out=(char*)cJSON_malloc(len+3); | |
if (!out) return 0; | |
|
|
ptr2=out;ptr=str; | /* empty string */ |
*ptr2++='\"'; | if (input == NULL) |
while (*ptr) | { |
{ | output = ensure(output_buffer, sizeof("\"\"")); |
if ((unsigned char)*ptr>31 && *ptr!='\"' && *ptr!='\\') *ptr2++=*ptr++; | if (output == NULL) |
else | { |
{ | return false; |
*ptr2++='\\'; | } |
switch (token=*ptr++) | strcpy((char*)output, "\"\""); |
{ | |
case '\\': *ptr2++='\\'; break; | return true; |
case '\"': *ptr2++='\"'; break; | } |
case '\b': *ptr2++='b'; break; | |
case '\f': *ptr2++='f'; break; | /* set "flag" to 1 if something needs to be escaped */ |
case '\n': *ptr2++='n'; break; | for (input_pointer = input; *input_pointer; input_pointer++) |
case '\r': *ptr2++='r'; break; | { |
case '\t': *ptr2++='t'; break; | switch (*input_pointer) |
default: sprintf(ptr2,"u%04x",token);ptr2+=5; break; /* escape and print */ | { |
} | case '\"': |
} | case '\\': |
} | case '\b': |
*ptr2++='\"';*ptr2++=0; | case '\f': |
return out; | 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; |
} |
} |
/* Invote print_string_ptr (which is useful) on an item. */ |
|
static char *print_string(cJSON *item,printbuffer *p) {return print_string_ptr(item->valuestring,p);} |
|
|
|
|
/* 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. */ |
/* Predeclare these prototypes. */ |
static const char *parse_value(cJSON *item,const char *value,const char **ep); | static cJSON_bool parse_value(cJSON * const item, parse_buffer * const input_buffer); |
static char *print_value(cJSON *item,int depth,int fmt,printbuffer *p); | static cJSON_bool print_value(const cJSON * const item, printbuffer * const output_buffer); |
static const char *parse_array(cJSON *item,const char *value,const char **ep); | static cJSON_bool parse_array(cJSON * const item, parse_buffer * const input_buffer); |
static char *print_array(cJSON *item,int depth,int fmt,printbuffer *p); | static cJSON_bool print_array(const cJSON * const item, printbuffer * const output_buffer); |
static const char *parse_object(cJSON *item,const char *value,const char **ep); | static cJSON_bool parse_object(cJSON * const item, parse_buffer * const input_buffer); |
static char *print_object(cJSON *item,int depth,int fmt,printbuffer *p); | static cJSON_bool print_object(const cJSON * const item, printbuffer * const output_buffer); |
|
|
/* Utility to jump whitespace and cr/lf */ |
/* Utility to jump whitespace and cr/lf */ |
static const char *skip(const char *in) {while (in && *in && (unsigned char)*in<=32) in++; return in;} | 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. */ |
/* Parse an object - create a new root, and populate. */ |
cJSON *cJSON_ParseWithOpts(const char *value,const char **return_parse_end,int require_null_terminated) | CJSON_PUBLIC(cJSON *) cJSON_ParseWithLengthOpts(const char *value, size_t buffer_length, const char **return_parse_end, cJSON_bool require_null_terminated) |
{ |
{ |
const char *end=0,**ep=return_parse_end?return_parse_end:&global_ep; | parse_buffer buffer = { 0, 0, 0, 0, { 0, 0, 0 } }; |
cJSON *c=cJSON_New_Item(); | cJSON *item = NULL; |
*ep=0; | |
if (!c) return 0; /* memory fail */ | |
|
|
end=parse_value(c,skip(value),ep); | /* reset error position */ |
if (!end) {cJSON_Delete(c);return 0;} /* parse failure. ep is set. */ | global_error.json = NULL; |
| global_error.position = 0; |
|
|
/* if we require null-terminated JSON without appended garbage, skip and then check for a null terminator */ | if (value == NULL || 0 == buffer_length) |
if (require_null_terminated) {end=skip(end);if (*end) {cJSON_Delete(c);*ep=end;return 0;}} | { |
if (return_parse_end) *return_parse_end=end; | goto fail; |
return c; | } |
| |
| 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 */ |
/* Default options for cJSON_Parse */ |
cJSON *cJSON_Parse(const char *value) {return cJSON_ParseWithOpts(value,0,0);} | 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); |
|
} |
|
|
|
return printed; |
|
|
|
fail: |
|
if (buffer->buffer != NULL) |
|
{ |
|
hooks->deallocate(buffer->buffer); |
|
} |
|
|
|
if (printed != NULL) |
|
{ |
|
hooks->deallocate(printed); |
|
} |
|
|
|
return NULL; |
|
} |
|
|
/* Render a cJSON item/entity/structure to text. */ |
/* Render a cJSON item/entity/structure to text. */ |
char *cJSON_Print(cJSON *item) {return print_value(item,0,1,0);} | CJSON_PUBLIC(char *) cJSON_Print(const cJSON *item) |
char *cJSON_PrintUnformatted(cJSON *item) {return print_value(item,0,0,0);} | { |
| return (char*)print(item, true, &global_hooks); |
| } |
|
|
char *cJSON_PrintBuffered(cJSON *item,int prebuffer,int fmt) | CJSON_PUBLIC(char *) cJSON_PrintUnformatted(const cJSON *item) |
{ |
{ |
printbuffer p; | return (char*)print(item, false, &global_hooks); |
p.buffer=(char*)cJSON_malloc(prebuffer); | |
p.length=prebuffer; | |
p.offset=0; | |
return print_value(item,0,fmt,&p); | |
} |
} |
|
|
|
CJSON_PUBLIC(char *) cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON_bool fmt) |
|
{ |
|
printbuffer p = { 0, 0, 0, 0, 0, 0, { 0, 0, 0 } }; |
|
|
|
if (prebuffer < 0) |
|
{ |
|
return NULL; |
|
} |
|
|
|
p.buffer = (unsigned char*)global_hooks.allocate((size_t)prebuffer); |
|
if (!p.buffer) |
|
{ |
|
return NULL; |
|
} |
|
|
|
p.length = (size_t)prebuffer; |
|
p.offset = 0; |
|
p.noalloc = false; |
|
p.format = fmt; |
|
p.hooks = global_hooks; |
|
|
|
if (!print_value(item, &p)) |
|
{ |
|
global_hooks.deallocate(p.buffer); |
|
return NULL; |
|
} |
|
|
|
return (char*)p.buffer; |
|
} |
|
|
|
CJSON_PUBLIC(cJSON_bool) cJSON_PrintPreallocated(cJSON *item, char *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. */ |
/* Parser core - when encountering text, process appropriately. */ |
static const char *parse_value(cJSON *item,const char *value,const char **ep) | static cJSON_bool parse_value(cJSON * const item, parse_buffer * const input_buffer) |
{ |
{ |
if (!value) return 0; /* Fail on null. */ | if ((input_buffer == NULL) || (input_buffer->content == NULL)) |
if (!strncmp(value,"null",4)) { item->type=cJSON_NULL; return value+4; } | { |
if (!strncmp(value,"false",5)) { item->type=cJSON_False; return value+5; } | return false; /* no input */ |
if (!strncmp(value,"true",4)) { item->type=cJSON_True; item->valueint=1; return value+4; } | } |
if (*value=='\"') { return parse_string(item,value,ep); } | |
if (*value=='-' || (*value>='0' && *value<='9')) { return parse_number(item,value); } | |
if (*value=='[') { return parse_array(item,value,ep); } | |
if (*value=='{') { return parse_object(item,value,ep); } | |
|
|
*ep=value;return 0; /* failure. */ | /* 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. */ |
/* Render a value to text. */ |
static char *print_value(cJSON *item,int depth,int fmt,printbuffer *p) | static cJSON_bool print_value(const cJSON * const item, printbuffer * const output_buffer) |
{ |
{ |
char *out=0; | unsigned char *output = NULL; |
if (!item) return 0; | |
if (p) | if ((item == NULL) || (output_buffer == NULL)) |
{ | { |
switch ((item->type)&255) | return false; |
{ | } |
case cJSON_NULL: {out=ensure(p,5); if (out) strcpy(out,"null"); break;} | |
case cJSON_False: {out=ensure(p,6); if (out) strcpy(out,"false"); break;} | switch ((item->type) & 0xFF) |
case cJSON_True: {out=ensure(p,5); if (out) strcpy(out,"true"); break;} | { |
case cJSON_Number: out=print_number(item,p);break; | case cJSON_NULL: |
case cJSON_String: out=print_string(item,p);break; | output = ensure(output_buffer, 5); |
case cJSON_Array: out=print_array(item,depth,fmt,p);break; | if (output == NULL) |
case cJSON_Object: out=print_object(item,depth,fmt,p);break; | { |
} | return false; |
} | } |
else | strcpy((char*)output, "null"); |
{ | return true; |
switch ((item->type)&255) | |
{ | case cJSON_False: |
case cJSON_NULL: out=cJSON_strdup("null"); break; | output = ensure(output_buffer, 6); |
case cJSON_False: out=cJSON_strdup("false");break; | if (output == NULL) |
case cJSON_True: out=cJSON_strdup("true"); break; | { |
case cJSON_Number: out=print_number(item,0);break; | return false; |
case cJSON_String: out=print_string(item,0);break; | } |
case cJSON_Array: out=print_array(item,depth,fmt,0);break; | strcpy((char*)output, "false"); |
case cJSON_Object: out=print_object(item,depth,fmt,0);break; | return true; |
} | |
} | case cJSON_True: |
return out; | 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. */ |
/* Build an array from input text. */ |
static const char *parse_array(cJSON *item,const char *value,const char **ep) | static cJSON_bool parse_array(cJSON * const item, parse_buffer * const input_buffer) |
{ |
{ |
cJSON *child; | cJSON *head = NULL; /* head of the linked list */ |
if (*value!='[') {*ep=value;return 0;} /* not an array! */ | cJSON *current_item = NULL; |
|
|
item->type=cJSON_Array; | if (input_buffer->depth >= CJSON_NESTING_LIMIT) |
value=skip(value+1); | { |
if (*value==']') return value+1; /* empty array. */ | return false; /* to deeply nested */ |
| } |
| input_buffer->depth++; |
|
|
item->child=child=cJSON_New_Item(); | if (buffer_at_offset(input_buffer)[0] != '[') |
if (!item->child) return 0; /* memory fail */ | { |
value=skip(parse_value(child,skip(value),ep)); /* skip any spacing, get the value. */ | /* not an array */ |
if (!value) return 0; | goto fail; |
| } |
|
|
while (*value==',') | input_buffer->offset++; |
{ | buffer_skip_whitespace(input_buffer); |
cJSON *new_item; | if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == ']')) |
if (!(new_item=cJSON_New_Item())) return 0; /* memory fail */ | { |
child->next=new_item;new_item->prev=child;child=new_item; | /* empty array */ |
value=skip(parse_value(child,skip(value+1),ep)); | goto success; |
if (!value) return 0; /* memory fail */ | } |
} | |
|
|
if (*value==']') return value+1; /* end of array */ | /* check if we skipped to the end of the buffer */ |
*ep=value;return 0; /* malformed. */ | 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 */ |
/* Render an array to text */ |
static char *print_array(cJSON *item,int depth,int fmt,printbuffer *p) | static cJSON_bool print_array(const cJSON * const item, printbuffer * const output_buffer) |
{ |
{ |
char **entries; | unsigned char *output_pointer = NULL; |
char *out=0,*ptr,*ret;int len=5; | size_t length = 0; |
cJSON *child=item->child; | cJSON *current_element = item->child; |
int numentries=0,i=0,fail=0; | |
size_t tmplen=0; | |
| |
/* How many entries in the array? */ | |
while (child) numentries++,child=child->next; | |
/* Explicitly handle numentries==0 */ | |
if (!numentries) | |
{ | |
if (p) out=ensure(p,3); | |
else out=(char*)cJSON_malloc(3); | |
if (out) strcpy(out,"[]"); | |
return out; | |
} | |
|
|
if (p) | if (output_buffer == NULL) |
{ | { |
/* Compose the output array. */ | return false; |
i=p->offset; | } |
ptr=ensure(p,1);if (!ptr) return 0; *ptr='['; p->offset++; | |
child=item->child; | |
while (child && !fail) | |
{ | |
print_value(child,depth+1,fmt,p); | |
p->offset=update(p); | |
if (child->next) {len=fmt?2:1;ptr=ensure(p,len+1);if (!ptr) return 0;*ptr++=',';if(fmt)*ptr++=' ';*ptr=0;p->offset+=len;} | |
child=child->next; | |
} | |
ptr=ensure(p,2);if (!ptr) return 0; *ptr++=']';*ptr=0; | |
out=(p->buffer)+i; | |
} | |
else | |
{ | |
/* Allocate an array to hold the values for each */ | |
entries=(char**)cJSON_malloc(numentries*sizeof(char*)); | |
if (!entries) return 0; | |
memset(entries,0,numentries*sizeof(char*)); | |
/* Retrieve all the results: */ | |
child=item->child; | |
while (child && !fail) | |
{ | |
ret=print_value(child,depth+1,fmt,0); | |
entries[i++]=ret; | |
if (ret) len+=strlen(ret)+2+(fmt?1:0); else fail=1; | |
child=child->next; | |
} | |
| |
/* If we didn't fail, try to malloc the output string */ | |
if (!fail) out=(char*)cJSON_malloc(len); | |
/* If that fails, we fail. */ | |
if (!out) fail=1; | |
|
|
/* Handle failure. */ | /* Compose the output array. */ |
if (fail) | /* opening square bracket */ |
{ | output_pointer = ensure(output_buffer, 1); |
for (i=0;i<numentries;i++) if (entries[i]) cJSON_free(entries[i]); | if (output_pointer == NULL) |
cJSON_free(entries); | { |
return 0; | return false; |
} | } |
| |
/* Compose the output array. */ | *output_pointer = '['; |
*out='['; | output_buffer->offset++; |
ptr=out+1;*ptr=0; | output_buffer->depth++; |
for (i=0;i<numentries;i++) | |
{ | while (current_element != NULL) |
tmplen=strlen(entries[i]);memcpy(ptr,entries[i],tmplen);ptr+=tmplen; | { |
if (i!=numentries-1) {*ptr++=',';if(fmt)*ptr++=' ';*ptr=0;} | if (!print_value(current_element, output_buffer)) |
cJSON_free(entries[i]); | { |
} | return false; |
cJSON_free(entries); | } |
*ptr++=']';*ptr++=0; | update_offset(output_buffer); |
} | if (current_element->next) |
return out; | { |
| 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. */ |
/* Build an object from the text. */ |
static const char *parse_object(cJSON *item,const char *value,const char **ep) | static cJSON_bool parse_object(cJSON * const item, parse_buffer * const input_buffer) |
{ |
{ |
cJSON *child; | cJSON *head = NULL; /* linked list head */ |
if (*value!='{') {*ep=value;return 0;} /* not an object! */ | cJSON *current_item = NULL; |
| |
item->type=cJSON_Object; | if (input_buffer->depth >= CJSON_NESTING_LIMIT) |
value=skip(value+1); | { |
if (*value=='}') return value+1; /* empty array. */ | return false; /* to deeply nested */ |
| } |
item->child=child=cJSON_New_Item(); | input_buffer->depth++; |
if (!item->child) return 0; | |
value=skip(parse_string(child,skip(value),ep)); | if (cannot_access_at_index(input_buffer, 0) || (buffer_at_offset(input_buffer)[0] != '{')) |
if (!value) return 0; | { |
child->string=child->valuestring;child->valuestring=0; | goto fail; /* not an object */ |
if (*value!=':') {*ep=value;return 0;} /* fail! */ | } |
value=skip(parse_value(child,skip(value+1),ep)); /* skip any spacing, get the value. */ | |
if (!value) return 0; | input_buffer->offset++; |
| buffer_skip_whitespace(input_buffer); |
while (*value==',') | if (can_access_at_index(input_buffer, 0) && (buffer_at_offset(input_buffer)[0] == '}')) |
{ | { |
cJSON *new_item; | goto success; /* empty object */ |
if (!(new_item=cJSON_New_Item())) return 0; /* memory fail */ | } |
child->next=new_item;new_item->prev=child;child=new_item; | |
value=skip(parse_string(child,skip(value+1),ep)); | /* check if we skipped to the end of the buffer */ |
if (!value) return 0; | if (cannot_access_at_index(input_buffer, 0)) |
child->string=child->valuestring;child->valuestring=0; | { |
if (*value!=':') {*ep=value;return 0;} /* fail! */ | input_buffer->offset--; |
value=skip(parse_value(child,skip(value+1),ep)); /* skip any spacing, get the value. */ | goto fail; |
if (!value) return 0; | } |
} | |
| /* step back to character in front of the first element */ |
if (*value=='}') return value+1; /* end of array */ | input_buffer->offset--; |
*ep=value;return 0; /* malformed. */ | /* loop through the comma separated array elements */ |
| do |
| { |
| /* allocate next item */ |
| cJSON *new_item = cJSON_New_Item(&(input_buffer->hooks)); |
| if (new_item == NULL) |
| { |
| goto fail; /* allocation failure */ |
| } |
| |
| /* attach next item to list */ |
| if (head == NULL) |
| { |
| /* start the linked list */ |
| current_item = head = new_item; |
| } |
| else |
| { |
| /* add to the end and advance */ |
| current_item->next = new_item; |
| new_item->prev = current_item; |
| current_item = new_item; |
| } |
| |
| /* parse the name of the child */ |
| input_buffer->offset++; |
| buffer_skip_whitespace(input_buffer); |
| if (!parse_string(current_item, input_buffer)) |
| { |
| goto fail; /* 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. */ |
/* Render an object to text. */ |
static char *print_object(cJSON *item,int depth,int fmt,printbuffer *p) | static cJSON_bool print_object(const cJSON * const item, printbuffer * const output_buffer) |
{ |
{ |
char **entries=0,**names=0; | unsigned char *output_pointer = NULL; |
char *out=0,*ptr,*ret,*str;int len=7,i=0,j; | size_t length = 0; |
cJSON *child=item->child; | cJSON *current_item = item->child; |
int numentries=0,fail=0; | |
size_t tmplen=0; | |
/* Count the number of entries. */ | |
while (child) numentries++,child=child->next; | |
/* Explicitly handle empty object case */ | |
if (!numentries) | |
{ | |
if (p) out=ensure(p,fmt?depth+4:3); | |
else out=(char*)cJSON_malloc(fmt?depth+4:3); | |
if (!out) return 0; | |
ptr=out;*ptr++='{'; | |
if (fmt) {*ptr++='\n';for (i=0;i<depth;i++) *ptr++='\t';} | |
*ptr++='}';*ptr++=0; | |
return out; | |
} | |
if (p) | |
{ | |
/* Compose the output: */ | |
i=p->offset; | |
len=fmt?2:1; ptr=ensure(p,len+1); if (!ptr) return 0; | |
*ptr++='{'; if (fmt) *ptr++='\n'; *ptr=0; p->offset+=len; | |
child=item->child;depth++; | |
while (child) | |
{ | |
if (fmt) | |
{ | |
ptr=ensure(p,depth); if (!ptr) return 0; | |
for (j=0;j<depth;j++) *ptr++='\t'; | |
p->offset+=depth; | |
} | |
print_string_ptr(child->string,p); | |
p->offset=update(p); | |
| |
len=fmt?2:1; | |
ptr=ensure(p,len); if (!ptr) return 0; | |
*ptr++=':';if (fmt) *ptr++='\t'; | |
p->offset+=len; | |
| |
print_value(child,depth,fmt,p); | |
p->offset=update(p); | |
|
|
len=(fmt?1:0)+(child->next?1:0); | if (output_buffer == NULL) |
ptr=ensure(p,len+1); if (!ptr) return 0; | { |
if (child->next) *ptr++=','; | return false; |
if (fmt) *ptr++='\n';*ptr=0; | } |
p->offset+=len; | |
child=child->next; | |
} | |
ptr=ensure(p,fmt?(depth+1):2); if (!ptr) return 0; | |
if (fmt) for (i=0;i<depth-1;i++) *ptr++='\t'; | |
*ptr++='}';*ptr=0; | |
out=(p->buffer)+i; | |
} | |
else | |
{ | |
/* Allocate space for the names and the objects */ | |
entries=(char**)cJSON_malloc(numentries*sizeof(char*)); | |
if (!entries) return 0; | |
names=(char**)cJSON_malloc(numentries*sizeof(char*)); | |
if (!names) {cJSON_free(entries);return 0;} | |
memset(entries,0,sizeof(char*)*numentries); | |
memset(names,0,sizeof(char*)*numentries); | |
|
|
/* Collect all the results into our arrays: */ | /* Compose the output: */ |
child=item->child;depth++;if (fmt) len+=depth; | length = (size_t) (output_buffer->format ? 2 : 1); /* fmt: {\n */ |
while (child && !fail) | output_pointer = ensure(output_buffer, length + 1); |
{ | if (output_pointer == NULL) |
names[i]=str=print_string_ptr(child->string,0); | { |
entries[i++]=ret=print_value(child,depth,fmt,0); | return false; |
if (str && ret) len+=strlen(ret)+strlen(str)+2+(fmt?2+depth:0); else fail=1; | } |
child=child->next; | |
} | |
| |
/* Try to allocate the output string */ | |
if (!fail) out=(char*)cJSON_malloc(len); | |
if (!out) fail=1; | |
|
|
/* Handle failure */ | *output_pointer++ = '{'; |
if (fail) | output_buffer->depth++; |
{ | if (output_buffer->format) |
for (i=0;i<numentries;i++) {if (names[i]) cJSON_free(names[i]);if (entries[i]) cJSON_free(entries[i]);} | { |
cJSON_free(names);cJSON_free(entries); | *output_pointer++ = '\n'; |
return 0; | } |
} | output_buffer->offset += length; |
| |
/* Compose the output: */ | while (current_item) |
*out='{';ptr=out+1;if (fmt)*ptr++='\n';*ptr=0; | { |
for (i=0;i<numentries;i++) | if (output_buffer->format) |
{ | { |
if (fmt) for (j=0;j<depth;j++) *ptr++='\t'; | size_t i; |
tmplen=strlen(names[i]);memcpy(ptr,names[i],tmplen);ptr+=tmplen; | output_pointer = ensure(output_buffer, output_buffer->depth); |
*ptr++=':';if (fmt) *ptr++='\t'; | if (output_pointer == NULL) |
strcpy(ptr,entries[i]);ptr+=strlen(entries[i]); | { |
if (i!=numentries-1) *ptr++=','; | return false; |
if (fmt) *ptr++='\n';*ptr=0; | } |
cJSON_free(names[i]);cJSON_free(entries[i]); | for (i = 0; i < output_buffer->depth; i++) |
} | { |
| *output_pointer++ = '\t'; |
cJSON_free(names);cJSON_free(entries); | } |
if (fmt) for (i=0;i<depth-1;i++) *ptr++='\t'; | output_buffer->offset += output_buffer->depth; |
*ptr++='}';*ptr++=0; | } |
} | |
return out; | /* 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. */ |
/* Get Array size/item / object item. */ |
int cJSON_GetArraySize(cJSON *array) {cJSON *c=array->child;int i=0;while(c)i++,c=c->next;return i;} | CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array) |
cJSON *cJSON_GetArrayItem(cJSON *array,int item) {cJSON *c=array?array->child:0;while (c && item>0) item--,c=c->next; return c;} | { |
cJSON *cJSON_GetObjectItem(cJSON *object,const char *string) {cJSON *c=object?object->child:0;while (c && cJSON_strcasecmp(c->string,string)) c=c->next; return c;} | cJSON *child = NULL; |
int cJSON_HasObjectItem(cJSON *object,const char *string) {return cJSON_GetObjectItem(object,string)?1:0;} | 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. */ |
/* Utility for array list handling. */ |
static void suffix_object(cJSON *prev,cJSON *item) {prev->next=item;item->prev=prev;} | static void suffix_object(cJSON *prev, cJSON *item) |
| { |
| prev->next = item; |
| item->prev = prev; |
| } |
| |
/* Utility for handling references. */ |
/* Utility for handling references. */ |
static cJSON *create_reference(cJSON *item) {cJSON *ref=cJSON_New_Item();if (!ref) return 0;memcpy(ref,item,sizeof(cJSON));ref->string=0;ref->type|=cJSON_IsReference;ref->next=ref->prev=0;return ref;} | 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. */ |
/* Add item to array/object. */ |
void cJSON_AddItemToArray(cJSON *array, cJSON *item) {cJSON *c=array->child;if (!item) return; if (!c) {array->child=item;} else {while (c && c->next) c=c->next; suffix_object(c,item);}} | CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item) |
void cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item) {if (!item) return; if (item->string) cJSON_free(item->string);item->string=cJSON_strdup(string);cJSON_AddItemToArray(object,item);} | { |
void cJSON_AddItemToObjectCS(cJSON *object,const char *string,cJSON *item) {if (!item) return; if (!(item->type&cJSON_StringIsConst) && item->string) cJSON_free(item->string);item->string=(char*)string;item->type|=cJSON_StringIsConst;cJSON_AddItemToArray(object,item);} | return add_item_to_array(array, item); |
void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item) {cJSON_AddItemToArray(array,create_reference(item));} | } |
void cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item) {cJSON_AddItemToObject(object,string,create_reference(item));} | |
|
|
cJSON *cJSON_DetachItemFromArray(cJSON *array,int which) {cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) return 0; | #if defined(__clang__) || (defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 5)))) |
if (c->prev) c->prev->next=c->next;if (c->next) c->next->prev=c->prev;if (c==array->child) array->child=c->next;c->prev=c->next=0;return c;} | #pragma GCC diagnostic push |
void cJSON_DeleteItemFromArray(cJSON *array,int which) {cJSON_Delete(cJSON_DetachItemFromArray(array,which));} | #endif |
cJSON *cJSON_DetachItemFromObject(cJSON *object,const char *string) {int i=0;cJSON *c=object->child;while (c && cJSON_strcasecmp(c->string,string)) i++,c=c->next;if (c) return cJSON_DetachItemFromArray(object,i);return 0;} | #ifdef __GNUC__ |
void cJSON_DeleteItemFromObject(cJSON *object,const char *string) {cJSON_Delete(cJSON_DetachItemFromObject(object,string));} | |
| #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. */ |
/* Replace array/object items with new ones. */ |
void cJSON_InsertItemInArray(cJSON *array,int which,cJSON *newitem) {cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) {cJSON_AddItemToArray(array,newitem);return;} | CJSON_PUBLIC(cJSON_bool) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem) |
newitem->next=c;newitem->prev=c->prev;c->prev=newitem;if (c==array->child) array->child=newitem; else newitem->prev->next=newitem;} | { |
void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem) {cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) return; | cJSON *after_inserted = NULL; |
newitem->next=c->next;newitem->prev=c->prev;if (newitem->next) newitem->next->prev=newitem; | |
if (c==array->child) array->child=newitem; else newitem->prev->next=newitem;c->next=c->prev=0;cJSON_Delete(c);} | |
void cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem){int i=0;cJSON *c=object->child;while(c && cJSON_strcasecmp(c->string,string))i++,c=c->next;if(c){newitem->string=cJSON_strdup(string);cJSON_ReplaceItemInArray(object,i,newitem);}} | |
|
|
|
if (which < 0) |
|
{ |
|
return false; |
|
} |
|
|
|
after_inserted = get_array_item(array, (size_t)which); |
|
if (after_inserted == NULL) |
|
{ |
|
return add_item_to_array(array, newitem); |
|
} |
|
|
|
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) || (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: */ |
/* Create basic types: */ |
cJSON *cJSON_CreateNull(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_NULL;return item;} | CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void) |
cJSON *cJSON_CreateTrue(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_True;return item;} | { |
cJSON *cJSON_CreateFalse(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_False;return item;} | cJSON *item = cJSON_New_Item(&global_hooks); |
cJSON *cJSON_CreateBool(int b) {cJSON *item=cJSON_New_Item();if(item)item->type=b?cJSON_True:cJSON_False;return item;} | if(item) |
cJSON *cJSON_CreateNumber(double num) {cJSON *item=cJSON_New_Item();if(item){item->type=cJSON_Number;item->valuedouble=num;item->valueint=(int64_t)num;}return item;} | { |
cJSON *cJSON_CreateString(const char *string) {cJSON *item=cJSON_New_Item();if(item){item->type=cJSON_String;item->valuestring=cJSON_strdup(string);if(!item->valuestring){cJSON_Delete(item);return 0;}}return item;} | item->type = cJSON_NULL; |
cJSON *cJSON_CreateArray(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_Array;return item;} | } |
cJSON *cJSON_CreateObject(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_Object;return item;} | |
|
|
|
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 >= LLONG_MAX) |
|
{ |
|
item->valueint = LLONG_MAX; |
|
} |
|
else if (num <= (double)LLONG_MIN) |
|
{ |
|
item->valueint = LLONG_MIN; |
|
} |
|
else |
|
{ |
|
item->valueint = (int64_t)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: */ |
/* Create Arrays: */ |
cJSON *cJSON_CreateIntArray(const int *numbers,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;} | CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count) |
cJSON *cJSON_CreateFloatArray(const float *numbers,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;} | { |
cJSON *cJSON_CreateDoubleArray(const double *numbers,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateNumber(numbers[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;} | size_t i = 0; |
cJSON *cJSON_CreateStringArray(const char **strings,int count) {int i;cJSON *n=0,*p=0,*a=cJSON_CreateArray();for(i=0;a && i<count;i++){n=cJSON_CreateString(strings[i]);if(!n){cJSON_Delete(a);return 0;}if(!i)a->child=n;else suffix_object(p,n);p=n;}return a;} | 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 */ |
/* Duplication */ |
cJSON *cJSON_Duplicate(cJSON *item,int recurse) | CJSON_PUBLIC(cJSON *) cJSON_Duplicate(const cJSON *item, cJSON_bool recurse) |
{ |
{ |
cJSON *newitem,*cptr,*nptr=0,*newchild; | cJSON *newitem = NULL; |
/* Bail on bad ptr */ | cJSON *child = NULL; |
if (!item) return 0; | cJSON *next = NULL; |
/* Create new item */ | cJSON *newchild = NULL; |
newitem=cJSON_New_Item(); | |
if (!newitem) return 0; | /* Bail on bad ptr */ |
/* Copy over all vars */ | if (!item) |
newitem->type=item->type&(~cJSON_IsReference),newitem->valueint=item->valueint,newitem->valuedouble=item->valuedouble; | { |
if (item->valuestring) {newitem->valuestring=cJSON_strdup(item->valuestring); if (!newitem->valuestring) {cJSON_Delete(newitem);return 0;}} | goto fail; |
if (item->string) {newitem->string=cJSON_strdup(item->string); if (!newitem->string) {cJSON_Delete(newitem);return 0;}} | } |
/* If non-recursive, then we're done! */ | /* Create new item */ |
if (!recurse) return newitem; | newitem = cJSON_New_Item(&global_hooks); |
/* Walk the ->next chain for the child. */ | if (!newitem) |
cptr=item->child; | { |
while (cptr) | goto fail; |
{ | } |
newchild=cJSON_Duplicate(cptr,1); /* Duplicate (with recurse) each item in the ->next chain */ | /* Copy over all vars */ |
if (!newchild) {cJSON_Delete(newitem);return 0;} | newitem->type = item->type & (~cJSON_IsReference); |
if (nptr) {nptr->next=newchild,newchild->prev=nptr;nptr=newchild;} /* If newitem->child already set, then crosswire ->prev and ->next and move on */ | newitem->valueint = item->valueint; |
else {newitem->child=newchild;nptr=newchild;} /* Set newitem->child and move to it */ | newitem->valuedouble = item->valuedouble; |
cptr=cptr->next; | if (item->valuestring) |
} | { |
return newitem; | 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; |
} |
} |
|
|
void cJSON_Minify(char *json) | static void skip_oneline_comment(char **input) |
{ |
{ |
char *into=json; | *input += static_strlen("//"); |
while (*json) | |
{ | for (; (*input)[0] != '\0'; ++(*input)) |
if (*json==' ') json++; | { |
else if (*json=='\t') json++; /* Whitespace characters. */ | if ((*input)[0] == '\n') { |
else if (*json=='\r') json++; | *input += static_strlen("\n"); |
else if (*json=='\n') json++; | return; |
else if (*json=='/' && json[1]=='/') while (*json && *json!='\n') json++; /* double-slash comments, to end of line. */ | } |
else if (*json=='/' && json[1]=='*') {while (*json && !(*json=='*' && json[1]=='/')) json++;json+=2;} /* multiline comments. */ | } |
else if (*json=='\"'){*into++=*json++;while (*json && *json!='\"'){if (*json=='\\') *into++=*json++;*into++=*json++;}*into++=*json++;} /* string literals, which are \" sensitive. */ | } |
else *into++=*json++; /* All other characters. */ | |
} | static void skip_multiline_comment(char **input) |
*into=0; /* and null-terminate. */ | { |
| *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); |
} |
} |