// retoor <retoor@molodetz.nl>
/*
Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
#include <float.h>
#include "cJSON.h"
typedef struct {
const unsigned char *json;
size_t position;
} error;
static error global_error = { NULL, 0 };
const char *cJSON_GetErrorPtr(void) {
return (const char*)(global_error.json + global_error.position);
}
static void *(*global_malloc)(size_t sz) = malloc;
static void (*global_free)(void *ptr) = free;
void *cJSON_malloc(size_t size) {
return global_malloc(size);
}
void cJSON_free(void *object) {
global_free(object);
}
void cJSON_InitHooks(cJSON_Hooks* hooks) {
if (hooks == NULL) {
global_malloc = malloc;
global_free = free;
return;
}
global_malloc = (hooks->malloc_fn != NULL) ? hooks->malloc_fn : malloc;
global_free = (hooks->free_fn != NULL) ? hooks->free_fn : free;
}
static cJSON *cJSON_New_Item(void) {
cJSON* node = (cJSON*)global_malloc(sizeof(cJSON));
if (node) {
memset(node, 0, sizeof(cJSON));
}
return node;
}
void cJSON_Delete(cJSON *item) {
cJSON *next = NULL;
while (item != NULL) {
next = item->next;
if (!(item->type & cJSON_IsReference) && (item->child != NULL)) {
cJSON_Delete(item->child);
}
if (!(item->type & cJSON_IsReference) && (item->valuestring != NULL)) {
global_free(item->valuestring);
}
if (!(item->type & cJSON_StringIsConst) && (item->string != NULL)) {
global_free(item->string);
}
global_free(item);
item = next;
}
}
static const unsigned char *skip_whitespace(const unsigned char *in) {
while (in && *in && (*in <= 32)) {
in++;
}
return in;
}
static cJSON *parse_value(const unsigned char **value);
static cJSON *parse_string(const unsigned char **value);
static cJSON *parse_number(const unsigned char **value);
static cJSON *parse_array(const unsigned char **value);
static cJSON *parse_object(const unsigned char **value);
static unsigned char *print_value(const cJSON *item, int depth, int fmt);
static unsigned char *print_string(const cJSON *item);
static unsigned char *print_number(const cJSON *item);
static unsigned char *print_array(const cJSON *item, int depth, int fmt);
static unsigned char *print_object(const cJSON *item, int depth, int fmt);
static cJSON *parse_string(const unsigned char **value) {
const unsigned char *ptr = *value + 1;
const unsigned char *end_ptr = ptr;
size_t len = 0;
cJSON *item = cJSON_New_Item();
if (item == NULL) {
return NULL;
}
if (**value != '\"') {
global_error.json = *value;
global_error.position = 0;
cJSON_Delete(item);
return NULL;
}
while (*end_ptr != '\"' && *end_ptr) {
if (*end_ptr == '\\') {
end_ptr++;
}
end_ptr++;
}
len = (size_t)(end_ptr - ptr);
item->valuestring = (char*)global_malloc(len + 1);
if (item->valuestring == NULL) {
cJSON_Delete(item);
return NULL;
}
const unsigned char *src = ptr;
char *dst = item->valuestring;
while (src < end_ptr) {
if (*src != '\\') {
*dst++ = (char)*src++;
} else {
src++;
switch (*src) {
case 'b': *dst++ = '\b'; break;
case 'f': *dst++ = '\f'; break;
case 'n': *dst++ = '\n'; break;
case 'r': *dst++ = '\r'; break;
case 't': *dst++ = '\t'; break;
case '\"': *dst++ = '\"'; break;
case '\\': *dst++ = '\\'; break;
case '/': *dst++ = '/'; break;
case 'u': {
unsigned int uc = 0;
for (int i = 0; i < 4; i++) {
src++;
uc <<= 4;
if (*src >= '0' && *src <= '9') uc += *src - '0';
else if (*src >= 'a' && *src <= 'f') uc += 10 + *src - 'a';
else if (*src >= 'A' && *src <= 'F') uc += 10 + *src - 'A';
}
if (uc < 0x80) {
*dst++ = (char)uc;
} else if (uc < 0x800) {
*dst++ = (char)(0xC0 | (uc >> 6));
*dst++ = (char)(0x80 | (uc & 0x3F));
} else {
*dst++ = (char)(0xE0 | (uc >> 12));
*dst++ = (char)(0x80 | ((uc >> 6) & 0x3F));
*dst++ = (char)(0x80 | (uc & 0x3F));
}
break;
}
default: *dst++ = (char)*src; break;
}
src++;
}
}
*dst = '\0';
item->type = cJSON_String;
*value = end_ptr + 1;
return item;
}
static cJSON *parse_number(const unsigned char **value) {
cJSON *item = cJSON_New_Item();
if (item == NULL) {
return NULL;
}
double n = 0;
int sign = 1;
int scale = 0;
int signsubscale = 1;
int subscale = 0;
const unsigned char *ptr = *value;
if (*ptr == '-') {
sign = -1;
ptr++;
}
if (*ptr == '0') {
ptr++;
} else {
while (*ptr >= '0' && *ptr <= '9') {
n = (n * 10.0) + (*ptr++ - '0');
}
}
if (*ptr == '.') {
ptr++;
while (*ptr >= '0' && *ptr <= '9') {
n = (n * 10.0) + (*ptr++ - '0');
scale--;
}
}
if (*ptr == 'e' || *ptr == 'E') {
ptr++;
if (*ptr == '+') {
ptr++;
} else if (*ptr == '-') {
signsubscale = -1;
ptr++;
}
while (*ptr >= '0' && *ptr <= '9') {
subscale = (subscale * 10) + (*ptr++ - '0');
}
}
n = sign * n * pow(10.0, (double)(scale + signsubscale * subscale));
item->valuedouble = n;
item->valueint = (int)n;
item->type = cJSON_Number;
*value = ptr;
return item;
}
static cJSON *parse_array(const unsigned char **value) {
cJSON *item = cJSON_New_Item();
if (item == NULL) {
return NULL;
}
item->type = cJSON_Array;
*value = skip_whitespace(*value + 1);
if (**value == ']') {
(*value)++;
return item;
}
cJSON *child = parse_value(value);
if (child == NULL) {
cJSON_Delete(item);
return NULL;
}
item->child = child;
while (**value == ',') {
(*value)++;
cJSON *new_item = parse_value(value);
if (new_item == NULL) {
cJSON_Delete(item);
return NULL;
}
child->next = new_item;
new_item->prev = child;
child = new_item;
}
*value = skip_whitespace(*value);
if (**value != ']') {
cJSON_Delete(item);
return NULL;
}
(*value)++;
return item;
}
static cJSON *parse_object(const unsigned char **value) {
cJSON *item = cJSON_New_Item();
if (item == NULL) {
return NULL;
}
item->type = cJSON_Object;
*value = skip_whitespace(*value + 1);
if (**value == '}') {
(*value)++;
return item;
}
cJSON *child = parse_string(value);
if (child == NULL) {
cJSON_Delete(item);
return NULL;
}
item->child = child;
child->string = child->valuestring;
child->valuestring = NULL;
*value = skip_whitespace(*value);
if (**value != ':') {
cJSON_Delete(item);
return NULL;
}
(*value)++;
cJSON *val = parse_value(value);
if (val == NULL) {
cJSON_Delete(item);
return NULL;
}
child->type = val->type;
child->valuestring = val->valuestring;
child->valueint = val->valueint;
child->valuedouble = val->valuedouble;
child->child = val->child;
val->valuestring = NULL;
val->child = NULL;
cJSON_Delete(val);
while (**value == ',') {
(*value)++;
*value = skip_whitespace(*value);
cJSON *new_item = parse_string(value);
if (new_item == NULL) {
cJSON_Delete(item);
return NULL;
}
child->next = new_item;
new_item->prev = child;
child = new_item;
child->string = child->valuestring;
child->valuestring = NULL;
*value = skip_whitespace(*value);
if (**value != ':') {
cJSON_Delete(item);
return NULL;
}
(*value)++;
val = parse_value(value);
if (val == NULL) {
cJSON_Delete(item);
return NULL;
}
child->type = val->type;
child->valuestring = val->valuestring;
child->valueint = val->valueint;
child->valuedouble = val->valuedouble;
child->child = val->child;
val->valuestring = NULL;
val->child = NULL;
cJSON_Delete(val);
}
*value = skip_whitespace(*value);
if (**value != '}') {
cJSON_Delete(item);
return NULL;
}
(*value)++;
return item;
}
static cJSON *parse_value(const unsigned char **value) {
*value = skip_whitespace(*value);
if (*value == NULL || **value == '\0') {
return NULL;
}
if (**value == '\"') {
return parse_string(value);
}
if (**value == '-' || (**value >= '0' && **value <= '9')) {
return parse_number(value);
}
if (**value == '[') {
return parse_array(value);
}
if (**value == '{') {
return parse_object(value);
}
if (strncmp((const char*)*value, "null", 4) == 0) {
cJSON *item = cJSON_New_Item();
if (item) item->type = cJSON_NULL;
*value += 4;
return item;
}
if (strncmp((const char*)*value, "false", 5) == 0) {
cJSON *item = cJSON_New_Item();
if (item) item->type = cJSON_False;
*value += 5;
return item;
}
if (strncmp((const char*)*value, "true", 4) == 0) {
cJSON *item = cJSON_New_Item();
if (item) item->type = cJSON_True;
*value += 4;
return item;
}
return NULL;
}
cJSON *cJSON_Parse(const char *value) {
return cJSON_ParseWithLength(value, strlen(value));
}
cJSON *cJSON_ParseWithLength(const char *value, size_t buffer_length) {
if (value == NULL || buffer_length == 0) {
return NULL;
}
const unsigned char *ptr = (const unsigned char*)value;
return parse_value(&ptr);
}
static unsigned char *print_number(const cJSON *item) {
unsigned char *output = NULL;
double d = item->valuedouble;
if (d == 0) {
output = (unsigned char*)global_malloc(2);
if (output) strcpy((char*)output, "0");
} else if (fabs(((double)item->valueint) - d) <= DBL_EPSILON && d <= INT_MAX && d >= INT_MIN) {
output = (unsigned char*)global_malloc(21);
if (output) sprintf((char*)output, "%d", item->valueint);
} else {
output = (unsigned char*)global_malloc(64);
if (output) {
if (fabs(floor(d) - d) <= DBL_EPSILON && fabs(d) < 1.0e60) {
sprintf((char*)output, "%.0f", d);
} else if (fabs(d) < 1.0e-6 || fabs(d) > 1.0e9) {
sprintf((char*)output, "%e", d);
} else {
sprintf((char*)output, "%f", d);
}
}
}
return output;
}
static unsigned char *print_string_ptr(const char *str) {
if (str == NULL) {
unsigned char *out = (unsigned char*)global_malloc(3);
if (out) strcpy((char*)out, "\"\"");
return out;
}
size_t len = 0;
const char *ptr = str;
while (*ptr) {
if (*ptr == '\"' || *ptr == '\\' || *ptr == '\b' || *ptr == '\f' ||
*ptr == '\n' || *ptr == '\r' || *ptr == '\t') {
len += 2;
} else if ((unsigned char)*ptr < 32) {
len += 6;
} else {
len++;
}
ptr++;
}
unsigned char *out = (unsigned char*)global_malloc(len + 3);
if (out == NULL) return NULL;
unsigned char *dst = out;
*dst++ = '\"';
ptr = str;
while (*ptr) {
if ((unsigned char)*ptr > 31 && *ptr != '\"' && *ptr != '\\') {
*dst++ = (unsigned char)*ptr++;
} else {
*dst++ = '\\';
switch (*ptr++) {
case '\\': *dst++ = '\\'; break;
case '\"': *dst++ = '\"'; break;
case '\b': *dst++ = 'b'; break;
case '\f': *dst++ = 'f'; break;
case '\n': *dst++ = 'n'; break;
case '\r': *dst++ = 'r'; break;
case '\t': *dst++ = 't'; break;
default:
sprintf((char*)dst, "u%04x", (unsigned char)*(ptr - 1));
dst += 5;
break;
}
}
}
*dst++ = '\"';
*dst = '\0';
return out;
}
static unsigned char *print_string(const cJSON *item) {
return print_string_ptr(item->valuestring);
}
static unsigned char *print_array(const cJSON *item, int depth, int fmt) {
size_t len = 3;
cJSON *child = item->child;
int numentries = 0;
while (child) {
numentries++;
child = child->next;
}
if (numentries == 0) {
unsigned char *out = (unsigned char*)global_malloc(3);
if (out) strcpy((char*)out, "[]");
return out;
}
unsigned char **entries = (unsigned char**)global_malloc(numentries * sizeof(unsigned char*));
if (entries == NULL) return NULL;
memset(entries, 0, numentries * sizeof(unsigned char*));
child = item->child;
for (int i = 0; i < numentries; i++) {
entries[i] = print_value(child, depth + 1, fmt);
if (entries[i]) {
len += strlen((char*)entries[i]) + 2 + (fmt ? (depth + 1) : 0);
}
child = child->next;
}
unsigned char *out = (unsigned char*)global_malloc(len + (fmt ? numentries : 0) + 1);
if (out == NULL) {
for (int i = 0; i < numentries; i++) {
if (entries[i]) global_free(entries[i]);
}
global_free(entries);
return NULL;
}
*out = '[';
unsigned char *ptr = out + 1;
if (fmt) *ptr++ = '\n';
for (int i = 0; i < numentries; i++) {
if (fmt) {
for (int j = 0; j <= depth; j++) *ptr++ = '\t';
}
if (entries[i]) {
size_t elen = strlen((char*)entries[i]);
memcpy(ptr, entries[i], elen);
ptr += elen;
global_free(entries[i]);
}
if (i < numentries - 1) *ptr++ = ',';
if (fmt) *ptr++ = '\n';
}
if (fmt) {
for (int i = 0; i < depth; i++) *ptr++ = '\t';
}
*ptr++ = ']';
*ptr = '\0';
global_free(entries);
return out;
}
static unsigned char *print_object(const cJSON *item, int depth, int fmt) {
cJSON *child = item->child;
int numentries = 0;
while (child) {
numentries++;
child = child->next;
}
if (numentries == 0) {
unsigned char *out = (unsigned char*)global_malloc(fmt ? depth + 4 : 3);
if (out) strcpy((char*)out, "{}");
return out;
}
unsigned char **names = (unsigned char**)global_malloc(numentries * sizeof(unsigned char*));
unsigned char **entries = (unsigned char**)global_malloc(numentries * sizeof(unsigned char*));
if (names == NULL || entries == NULL) {
if (names) global_free(names);
if (entries) global_free(entries);
return NULL;
}
memset(names, 0, numentries * sizeof(unsigned char*));
memset(entries, 0, numentries * sizeof(unsigned char*));
size_t len = 3;
child = item->child;
for (int i = 0; i < numentries; i++) {
names[i] = print_string_ptr(child->string);
entries[i] = print_value(child, depth + 1, fmt);
if (names[i] && entries[i]) {
len += strlen((char*)names[i]) + strlen((char*)entries[i]) + 4 + (fmt ? (depth + 2) : 0);
}
child = child->next;
}
unsigned char *out = (unsigned char*)global_malloc(len + (fmt ? numentries * 2 : 0) + 1);
if (out == NULL) {
for (int i = 0; i < numentries; i++) {
if (names[i]) global_free(names[i]);
if (entries[i]) global_free(entries[i]);
}
global_free(names);
global_free(entries);
return NULL;
}
*out = '{';
unsigned char *ptr = out + 1;
if (fmt) *ptr++ = '\n';
for (int i = 0; i < numentries; i++) {
if (fmt) {
for (int j = 0; j <= depth; j++) *ptr++ = '\t';
}
if (names[i]) {
size_t nlen = strlen((char*)names[i]);
memcpy(ptr, names[i], nlen);
ptr += nlen;
global_free(names[i]);
}
*ptr++ = ':';
if (fmt) *ptr++ = ' ';
if (entries[i]) {
size_t elen = strlen((char*)entries[i]);
memcpy(ptr, entries[i], elen);
ptr += elen;
global_free(entries[i]);
}
if (i < numentries - 1) *ptr++ = ',';
if (fmt) *ptr++ = '\n';
}
if (fmt) {
for (int i = 0; i < depth; i++) *ptr++ = '\t';
}
*ptr++ = '}';
*ptr = '\0';
global_free(names);
global_free(entries);
return out;
}
static unsigned char *print_value(const cJSON *item, int depth, int fmt) {
unsigned char *out = NULL;
if (item == NULL) {
return NULL;
}
switch (item->type & 0xFF) {
case cJSON_NULL: out = (unsigned char*)global_malloc(5); if (out) strcpy((char*)out, "null"); break;
case cJSON_False: out = (unsigned char*)global_malloc(6); if (out) strcpy((char*)out, "false"); break;
case cJSON_True: out = (unsigned char*)global_malloc(5); if (out) strcpy((char*)out, "true"); break;
case cJSON_Number: out = print_number(item); break;
case cJSON_String: out = print_string(item); break;
case cJSON_Array: out = print_array(item, depth, fmt); break;
case cJSON_Object: out = print_object(item, depth, fmt); break;
case cJSON_Raw:
if (item->valuestring) {
size_t len = strlen(item->valuestring);
out = (unsigned char*)global_malloc(len + 1);
if (out) memcpy(out, item->valuestring, len + 1);
}
break;
}
return out;
}
char *cJSON_Print(const cJSON *item) {
return (char*)print_value(item, 0, 1);
}
char *cJSON_PrintUnformatted(const cJSON *item) {
return (char*)print_value(item, 0, 0);
}
char *cJSON_PrintBuffered(const cJSON *item, int prebuffer, int fmt) {
(void)prebuffer;
return (char*)print_value(item, 0, fmt);
}
int cJSON_GetArraySize(const cJSON *array) {
cJSON *child = array ? array->child : NULL;
int size = 0;
while (child) {
size++;
child = child->next;
}
return size;
}
cJSON *cJSON_GetArrayItem(const cJSON *array, int index) {
if (array == NULL || index < 0) return NULL;
cJSON *child = array->child;
while (child && index > 0) {
child = child->next;
index--;
}
return child;
}
cJSON *cJSON_GetObjectItem(const cJSON *object, const char *string) {
if (object == NULL || string == NULL) return NULL;
cJSON *child = object->child;
while (child && child->string && strcasecmp(child->string, string) != 0) {
child = child->next;
}
return child;
}
cJSON *cJSON_GetObjectItemCaseSensitive(const cJSON *object, const char *string) {
if (object == NULL || string == NULL) return NULL;
cJSON *child = object->child;
while (child && child->string && strcmp(child->string, string) != 0) {
child = child->next;
}
return child;
}
int cJSON_HasObjectItem(const cJSON *object, const char *string) {
return cJSON_GetObjectItem(object, string) != NULL ? 1 : 0;
}
char *cJSON_GetStringValue(const cJSON *item) {
if (!cJSON_IsString(item)) return NULL;
return item->valuestring;
}
double cJSON_GetNumberValue(const cJSON *item) {
if (!cJSON_IsNumber(item)) return (double)NAN;
return item->valuedouble;
}
int cJSON_IsInvalid(const cJSON *item) { return (item == NULL) || ((item->type & 0xFF) == cJSON_Invalid); }
int cJSON_IsFalse(const cJSON *item) { return (item != NULL) && ((item->type & 0xFF) == cJSON_False); }
int cJSON_IsTrue(const cJSON *item) { return (item != NULL) && ((item->type & 0xFF) == cJSON_True); }
int cJSON_IsBool(const cJSON *item) { return (item != NULL) && (((item->type & 0xFF) == cJSON_True) || ((item->type & 0xFF) == cJSON_False)); }
int cJSON_IsNull(const cJSON *item) { return (item != NULL) && ((item->type & 0xFF) == cJSON_NULL); }
int cJSON_IsNumber(const cJSON *item) { return (item != NULL) && ((item->type & 0xFF) == cJSON_Number); }
int cJSON_IsString(const cJSON *item) { return (item != NULL) && ((item->type & 0xFF) == cJSON_String); }
int cJSON_IsArray(const cJSON *item) { return (item != NULL) && ((item->type & 0xFF) == cJSON_Array); }
int cJSON_IsObject(const cJSON *item) { return (item != NULL) && ((item->type & 0xFF) == cJSON_Object); }
int cJSON_IsRaw(const cJSON *item) { return (item != NULL) && ((item->type & 0xFF) == cJSON_Raw); }
cJSON *cJSON_CreateNull(void) { cJSON *item = cJSON_New_Item(); if (item) item->type = cJSON_NULL; return item; }
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 *cJSON_CreateBool(int b) { cJSON *item = cJSON_New_Item(); if (item) item->type = b ? cJSON_True : cJSON_False; return item; }
cJSON *cJSON_CreateNumber(double num) {
cJSON *item = cJSON_New_Item();
if (item) {
item->type = cJSON_Number;
item->valuedouble = num;
item->valueint = (int)num;
}
return item;
}
cJSON *cJSON_CreateString(const char *string) {
cJSON *item = cJSON_New_Item();
if (item) {
item->type = cJSON_String;
item->valuestring = (string != NULL) ? strdup(string) : NULL;
if (string != NULL && item->valuestring == NULL) {
cJSON_Delete(item);
return NULL;
}
}
return item;
}
cJSON *cJSON_CreateRaw(const char *raw) {
cJSON *item = cJSON_New_Item();
if (item) {
item->type = cJSON_Raw;
item->valuestring = (raw != NULL) ? strdup(raw) : NULL;
}
return item;
}
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; }
cJSON *cJSON_CreateStringReference(const char *string) {
cJSON *item = cJSON_New_Item();
if (item) {
item->type = cJSON_String | cJSON_IsReference;
item->valuestring = (char*)string;
}
return item;
}
cJSON *cJSON_CreateObjectReference(const cJSON *child) {
cJSON *item = cJSON_New_Item();
if (item) {
item->type = cJSON_Object | cJSON_IsReference;
item->child = (cJSON*)child;
}
return item;
}
cJSON *cJSON_CreateArrayReference(const cJSON *child) {
cJSON *item = cJSON_New_Item();
if (item) {
item->type = cJSON_Array | cJSON_IsReference;
item->child = (cJSON*)child;
}
return item;
}
cJSON *cJSON_CreateIntArray(const int *numbers, int count) {
cJSON *a = cJSON_CreateArray();
if (a == NULL) return NULL;
for (int i = 0; i < count; i++) {
cJSON_AddItemToArray(a, cJSON_CreateNumber(numbers[i]));
}
return a;
}
cJSON *cJSON_CreateFloatArray(const float *numbers, int count) {
cJSON *a = cJSON_CreateArray();
if (a == NULL) return NULL;
for (int i = 0; i < count; i++) {
cJSON_AddItemToArray(a, cJSON_CreateNumber((double)numbers[i]));
}
return a;
}
cJSON *cJSON_CreateDoubleArray(const double *numbers, int count) {
cJSON *a = cJSON_CreateArray();
if (a == NULL) return NULL;
for (int i = 0; i < count; i++) {
cJSON_AddItemToArray(a, cJSON_CreateNumber(numbers[i]));
}
return a;
}
cJSON *cJSON_CreateStringArray(const char *const *strings, int count) {
cJSON *a = cJSON_CreateArray();
if (a == NULL) return NULL;
for (int i = 0; i < count; i++) {
cJSON_AddItemToArray(a, cJSON_CreateString(strings[i]));
}
return a;
}
static void suffix_object(cJSON *prev, cJSON *item) {
prev->next = item;
item->prev = prev;
}
static cJSON* get_array_tail(cJSON *array) {
cJSON *child = array->child;
if (child == NULL) return NULL;
while (child->next) {
child = child->next;
}
return child;
}
void cJSON_AddItemToArray(cJSON *array, cJSON *item) {
if (array == NULL || item == NULL) return;
cJSON *tail = get_array_tail(array);
if (tail == NULL) {
array->child = item;
item->prev = item;
} else {
suffix_object(tail, item);
array->child->prev = item;
}
}
void cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item) {
if (object == NULL || string == NULL || item == NULL) return;
if (item->string) {
global_free(item->string);
}
item->string = strdup(string);
cJSON_AddItemToArray(object, item);
}
void cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item) {
if (object == NULL || string == NULL || item == NULL) return;
item->string = (char*)string;
item->type |= cJSON_StringIsConst;
cJSON_AddItemToArray(object, item);
}
void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item) {
if (array == NULL || item == NULL) return;
cJSON_AddItemToArray(array, cJSON_CreateArrayReference(item));
}
void cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item) {
if (object == NULL || string == NULL || item == NULL) return;
cJSON_AddItemToObject(object, string, cJSON_CreateObjectReference(item));
}
cJSON *cJSON_DetachItemViaPointer(cJSON *parent, cJSON *item) {
if (parent == NULL || item == NULL) return NULL;
if (item != parent->child) {
item->prev->next = item->next;
}
if (item->next) {
item->next->prev = item->prev;
}
if (item == parent->child) {
parent->child = item->next;
}
if (parent->child) {
parent->child->prev = get_array_tail(parent);
}
item->prev = NULL;
item->next = NULL;
return item;
}
cJSON *cJSON_DetachItemFromArray(cJSON *array, int which) {
if (which < 0) return NULL;
return cJSON_DetachItemViaPointer(array, cJSON_GetArrayItem(array, which));
}
void cJSON_DeleteItemFromArray(cJSON *array, int which) {
cJSON_Delete(cJSON_DetachItemFromArray(array, which));
}
cJSON *cJSON_DetachItemFromObject(cJSON *object, const char *string) {
return cJSON_DetachItemViaPointer(object, cJSON_GetObjectItem(object, string));
}
cJSON *cJSON_DetachItemFromObjectCaseSensitive(cJSON *object, const char *string) {
return cJSON_DetachItemViaPointer(object, cJSON_GetObjectItemCaseSensitive(object, string));
}
void cJSON_DeleteItemFromObject(cJSON *object, const char *string) {
cJSON_Delete(cJSON_DetachItemFromObject(object, string));
}
void cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const char *string) {
cJSON_Delete(cJSON_DetachItemFromObjectCaseSensitive(object, string));
}
int cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem) {
if (which < 0 || array == NULL || newitem == NULL) return 0;
cJSON *after = cJSON_GetArrayItem(array, which);
if (after == NULL) {
cJSON_AddItemToArray(array, newitem);
return 1;
}
newitem->next = after;
newitem->prev = after->prev;
after->prev = newitem;
if (after == array->child) {
array->child = newitem;
} else if (newitem->prev) {
newitem->prev->next = newitem;
}
return 1;
}
int cJSON_ReplaceItemViaPointer(cJSON *parent, cJSON *item, cJSON *replacement) {
if (parent == NULL || item == NULL || replacement == NULL) return 0;
if (replacement == item) return 1;
replacement->next = item->next;
replacement->prev = item->prev;
if (replacement->next) {
replacement->next->prev = replacement;
}
if (parent->child == item) {
if (parent->child->prev == parent->child) {
replacement->prev = replacement;
}
parent->child = replacement;
} else {
if (replacement->prev) {
replacement->prev->next = replacement;
}
}
item->next = NULL;
item->prev = NULL;
cJSON_Delete(item);
return 1;
}
int cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem) {
if (which < 0) return 0;
return cJSON_ReplaceItemViaPointer(array, cJSON_GetArrayItem(array, which), newitem);
}
int cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem) {
if (newitem == NULL || string == NULL) return 0;
if (newitem->string) {
global_free(newitem->string);
}
newitem->string = strdup(string);
return cJSON_ReplaceItemViaPointer(object, cJSON_GetObjectItem(object, string), newitem);
}
int cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object, const char *string, cJSON *newitem) {
if (newitem == NULL || string == NULL) return 0;
if (newitem->string) {
global_free(newitem->string);
}
newitem->string = strdup(string);
return cJSON_ReplaceItemViaPointer(object, cJSON_GetObjectItemCaseSensitive(object, string), newitem);
}
cJSON *cJSON_Duplicate(const cJSON *item, int recurse) {
if (item == NULL) return NULL;
cJSON *newitem = cJSON_New_Item();
if (newitem == NULL) return NULL;
newitem->type = item->type & (~cJSON_IsReference);
newitem->valueint = item->valueint;
newitem->valuedouble = item->valuedouble;
if (item->valuestring) {
newitem->valuestring = strdup(item->valuestring);
if (newitem->valuestring == NULL) {
cJSON_Delete(newitem);
return NULL;
}
}
if (item->string) {
newitem->string = strdup(item->string);
if (newitem->string == NULL) {
cJSON_Delete(newitem);
return NULL;
}
}
if (recurse && item->child) {
newitem->child = cJSON_Duplicate(item->child, 1);
if (newitem->child == NULL) {
cJSON_Delete(newitem);
return NULL;
}
cJSON *next = NULL;
cJSON *newchild = newitem->child;
cJSON *child = item->child->next;
while (child) {
next = cJSON_Duplicate(child, 1);
if (next == NULL) {
cJSON_Delete(newitem);
return NULL;
}
newchild->next = next;
next->prev = newchild;
newchild = next;
child = child->next;
}
if (newitem->child) {
newitem->child->prev = newchild;
}
}
return newitem;
}
int cJSON_Compare(const cJSON *a, const cJSON *b, int case_sensitive) {
if (a == NULL || b == NULL || (a->type & 0xFF) != (b->type & 0xFF)) {
return 0;
}
switch (a->type & 0xFF) {
case cJSON_False:
case cJSON_True:
case cJSON_NULL:
return 1;
case cJSON_Number:
return (a->valuedouble == b->valuedouble) ? 1 : 0;
case cJSON_String:
case cJSON_Raw:
if (a->valuestring == NULL || b->valuestring == NULL) {
return (a->valuestring == b->valuestring) ? 1 : 0;
}
return (strcmp(a->valuestring, b->valuestring) == 0) ? 1 : 0;
case cJSON_Array: {
cJSON *a_child = a->child;
cJSON *b_child = b->child;
while (a_child && b_child) {
if (!cJSON_Compare(a_child, b_child, case_sensitive)) return 0;
a_child = a_child->next;
b_child = b_child->next;
}
return (a_child == NULL && b_child == NULL) ? 1 : 0;
}
case cJSON_Object: {
cJSON *a_child = a->child;
while (a_child) {
cJSON *b_child = case_sensitive ?
cJSON_GetObjectItemCaseSensitive(b, a_child->string) :
cJSON_GetObjectItem(b, a_child->string);
if (b_child == NULL || !cJSON_Compare(a_child, b_child, case_sensitive)) {
return 0;
}
a_child = a_child->next;
}
cJSON *b_child = b->child;
while (b_child) {
cJSON *a_elem = case_sensitive ?
cJSON_GetObjectItemCaseSensitive(a, b_child->string) :
cJSON_GetObjectItem(a, b_child->string);
if (a_elem == NULL) return 0;
b_child = b_child->next;
}
return 1;
}
default:
return 0;
}
}
void cJSON_Minify(char *json) {
if (json == NULL) return;
char *into = json;
while (*json) {
if (*json == ' ' || *json == '\t' || *json == '\r' || *json == '\n') {
json++;
} else if (*json == '\"') {
*into++ = *json++;
while (*json && *json != '\"') {
if (*json == '\\') {
*into++ = *json++;
}
*into++ = *json++;
}
if (*json) *into++ = *json++;
} else {
*into++ = *json++;
}
}
*into = '\0';
}
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