Rajath Ramesh / Mbed 2 deprecated IBMIoTClientExampleForLPC1768

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Dependencies:   C12832_lcd ConfigFile EthernetInterface LM75B MMA7660 MQTTPacket mbed-rtos mbed

Fork of IBMIoTClientExampleForLPC1768 by Sam Danbury

src/cJSON.c@11:0fa63599f5a0, 2014-07-02 (annotated)

Committer:
rajathishere
Date:
Wed Jul 02 10:37:56 2014 +0000
Revision:
11:0fa63599f5a0
Read blink count from Json

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rajathishere 11:0fa63599f5a0 1 /*
rajathishere 11:0fa63599f5a0 2 Copyright (c) 2009 Dave Gamble
rajathishere 11:0fa63599f5a0 3
rajathishere 11:0fa63599f5a0 4 Permission is hereby granted, free of charge, to any person obtaining a copy
rajathishere 11:0fa63599f5a0 5 of this software and associated documentation files (the "Software"), to deal
rajathishere 11:0fa63599f5a0 6 in the Software without restriction, including without limitation the rights
rajathishere 11:0fa63599f5a0 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
rajathishere 11:0fa63599f5a0 8 copies of the Software, and to permit persons to whom the Software is
rajathishere 11:0fa63599f5a0 9 furnished to do so, subject to the following conditions:
rajathishere 11:0fa63599f5a0 10
rajathishere 11:0fa63599f5a0 11 The above copyright notice and this permission notice shall be included in
rajathishere 11:0fa63599f5a0 12 all copies or substantial portions of the Software.
rajathishere 11:0fa63599f5a0 13
rajathishere 11:0fa63599f5a0 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
rajathishere 11:0fa63599f5a0 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
rajathishere 11:0fa63599f5a0 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
rajathishere 11:0fa63599f5a0 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
rajathishere 11:0fa63599f5a0 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
rajathishere 11:0fa63599f5a0 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
rajathishere 11:0fa63599f5a0 20 THE SOFTWARE.
rajathishere 11:0fa63599f5a0 21 */
rajathishere 11:0fa63599f5a0 22
rajathishere 11:0fa63599f5a0 23 /* cJSON */
rajathishere 11:0fa63599f5a0 24 /* JSON parser in C. */
rajathishere 11:0fa63599f5a0 25
rajathishere 11:0fa63599f5a0 26 #include <string.h>
rajathishere 11:0fa63599f5a0 27 #include <stdio.h>
rajathishere 11:0fa63599f5a0 28 #include <math.h>
rajathishere 11:0fa63599f5a0 29 #include <stdlib.h>
rajathishere 11:0fa63599f5a0 30 #include <float.h>
rajathishere 11:0fa63599f5a0 31 #include <limits.h>
rajathishere 11:0fa63599f5a0 32 #include <ctype.h>
rajathishere 11:0fa63599f5a0 33 #include "cJSON.h"
rajathishere 11:0fa63599f5a0 34
rajathishere 11:0fa63599f5a0 35 static const char *ep;
rajathishere 11:0fa63599f5a0 36
rajathishere 11:0fa63599f5a0 37 const char *cJSON_GetErrorPtr(void) {return ep;}
rajathishere 11:0fa63599f5a0 38
rajathishere 11:0fa63599f5a0 39 static int cJSON_strcasecmp(const char *s1,const char *s2)
rajathishere 11:0fa63599f5a0 40 {
rajathishere 11:0fa63599f5a0 41 if (!s1) return (s1==s2)?0:1;if (!s2) return 1;
rajathishere 11:0fa63599f5a0 42 for(; tolower(*s1) == tolower(*s2); ++s1, ++s2) if(*s1 == 0) return 0;
rajathishere 11:0fa63599f5a0 43 return tolower(*(const unsigned char *)s1) - tolower(*(const unsigned char *)s2);
rajathishere 11:0fa63599f5a0 44 }
rajathishere 11:0fa63599f5a0 45
rajathishere 11:0fa63599f5a0 46 static void *(*cJSON_malloc)(size_t sz) = malloc;
rajathishere 11:0fa63599f5a0 47 static void (*cJSON_free)(void *ptr) = free;
rajathishere 11:0fa63599f5a0 48
rajathishere 11:0fa63599f5a0 49 static char* cJSON_strdup(const char* str)
rajathishere 11:0fa63599f5a0 50 {
rajathishere 11:0fa63599f5a0 51 size_t len;
rajathishere 11:0fa63599f5a0 52 char* copy;
rajathishere 11:0fa63599f5a0 53
rajathishere 11:0fa63599f5a0 54 len = strlen(str) + 1;
rajathishere 11:0fa63599f5a0 55 if (!(copy = (char*)cJSON_malloc(len))) return 0;
rajathishere 11:0fa63599f5a0 56 memcpy(copy,str,len);
rajathishere 11:0fa63599f5a0 57 return copy;
rajathishere 11:0fa63599f5a0 58 }
rajathishere 11:0fa63599f5a0 59
rajathishere 11:0fa63599f5a0 60 void cJSON_InitHooks(cJSON_Hooks* hooks)
rajathishere 11:0fa63599f5a0 61 {
rajathishere 11:0fa63599f5a0 62 if (!hooks) { /* Reset hooks */
rajathishere 11:0fa63599f5a0 63 cJSON_malloc = malloc;
rajathishere 11:0fa63599f5a0 64 cJSON_free = free;
rajathishere 11:0fa63599f5a0 65 return;
rajathishere 11:0fa63599f5a0 66 }
rajathishere 11:0fa63599f5a0 67
rajathishere 11:0fa63599f5a0 68 cJSON_malloc = (hooks->malloc_fn)?hooks->malloc_fn:malloc;
rajathishere 11:0fa63599f5a0 69 cJSON_free = (hooks->free_fn)?hooks->free_fn:free;
rajathishere 11:0fa63599f5a0 70 }
rajathishere 11:0fa63599f5a0 71
rajathishere 11:0fa63599f5a0 72 /* Internal constructor. */
rajathishere 11:0fa63599f5a0 73 static cJSON *cJSON_New_Item(void)
rajathishere 11:0fa63599f5a0 74 {
rajathishere 11:0fa63599f5a0 75 cJSON* node = (cJSON*)cJSON_malloc(sizeof(cJSON));
rajathishere 11:0fa63599f5a0 76 if (node) memset(node,0,sizeof(cJSON));
rajathishere 11:0fa63599f5a0 77 return node;
rajathishere 11:0fa63599f5a0 78 }
rajathishere 11:0fa63599f5a0 79
rajathishere 11:0fa63599f5a0 80 /* Delete a cJSON structure. */
rajathishere 11:0fa63599f5a0 81 void cJSON_Delete(cJSON *c)
rajathishere 11:0fa63599f5a0 82 {
rajathishere 11:0fa63599f5a0 83 cJSON *next;
rajathishere 11:0fa63599f5a0 84 while (c)
rajathishere 11:0fa63599f5a0 85 {
rajathishere 11:0fa63599f5a0 86 next=c->next;
rajathishere 11:0fa63599f5a0 87 if (!(c->type&cJSON_IsReference) && c->child) cJSON_Delete(c->child);
rajathishere 11:0fa63599f5a0 88 if (!(c->type&cJSON_IsReference) && c->valuestring) cJSON_free(c->valuestring);
rajathishere 11:0fa63599f5a0 89 if (c->string) cJSON_free(c->string);
rajathishere 11:0fa63599f5a0 90 cJSON_free(c);
rajathishere 11:0fa63599f5a0 91 c=next;
rajathishere 11:0fa63599f5a0 92 }
rajathishere 11:0fa63599f5a0 93 }
rajathishere 11:0fa63599f5a0 94
rajathishere 11:0fa63599f5a0 95 /* Parse the input text to generate a number, and populate the result into item. */
rajathishere 11:0fa63599f5a0 96 static const char *parse_number(cJSON *item,const char *num)
rajathishere 11:0fa63599f5a0 97 {
rajathishere 11:0fa63599f5a0 98 double n=0,sign=1,scale=0;int subscale=0,signsubscale=1;
rajathishere 11:0fa63599f5a0 99
rajathishere 11:0fa63599f5a0 100 if (*num=='-') sign=-1,num++; /* Has sign? */
rajathishere 11:0fa63599f5a0 101 if (*num=='0') num++; /* is zero */
rajathishere 11:0fa63599f5a0 102 if (*num>='1' && *num<='9') do n=(n*10.0)+(*num++ -'0'); while (*num>='0' && *num<='9'); /* Number? */
rajathishere 11:0fa63599f5a0 103 if (*num=='.' && num[1]>='0' && num[1]<='9') {num++; do n=(n*10.0)+(*num++ -'0'),scale--; while (*num>='0' && *num<='9');} /* Fractional part? */
rajathishere 11:0fa63599f5a0 104 if (*num=='e' || *num=='E') /* Exponent? */
rajathishere 11:0fa63599f5a0 105 { num++;if (*num=='+') num++; else if (*num=='-') signsubscale=-1,num++; /* With sign? */
rajathishere 11:0fa63599f5a0 106 while (*num>='0' && *num<='9') subscale=(subscale*10)+(*num++ - '0'); /* Number? */
rajathishere 11:0fa63599f5a0 107 }
rajathishere 11:0fa63599f5a0 108
rajathishere 11:0fa63599f5a0 109 n=sign*n*pow(10.0,(scale+subscale*signsubscale)); /* number = +/- number.fraction * 10^+/- exponent */
rajathishere 11:0fa63599f5a0 110
rajathishere 11:0fa63599f5a0 111 item->valuedouble=n;
rajathishere 11:0fa63599f5a0 112 item->valueint=(int)n;
rajathishere 11:0fa63599f5a0 113 item->type=cJSON_Number;
rajathishere 11:0fa63599f5a0 114 return num;
rajathishere 11:0fa63599f5a0 115 }
rajathishere 11:0fa63599f5a0 116
rajathishere 11:0fa63599f5a0 117 /* Render the number nicely from the given item into a string. */
rajathishere 11:0fa63599f5a0 118 static char *print_number(cJSON *item)
rajathishere 11:0fa63599f5a0 119 {
rajathishere 11:0fa63599f5a0 120 char *str;
rajathishere 11:0fa63599f5a0 121 double d=item->valuedouble;
rajathishere 11:0fa63599f5a0 122 if (fabs(((double)item->valueint)-d)<=DBL_EPSILON && d<=INT_MAX && d>=INT_MIN)
rajathishere 11:0fa63599f5a0 123 {
rajathishere 11:0fa63599f5a0 124 str=(char*)cJSON_malloc(21); /* 2^64+1 can be represented in 21 chars. */
rajathishere 11:0fa63599f5a0 125 if (str) sprintf(str,"%d",item->valueint);
rajathishere 11:0fa63599f5a0 126 }
rajathishere 11:0fa63599f5a0 127 else
rajathishere 11:0fa63599f5a0 128 {
rajathishere 11:0fa63599f5a0 129 str=(char*)cJSON_malloc(64); /* This is a nice tradeoff. */
rajathishere 11:0fa63599f5a0 130 if (str)
rajathishere 11:0fa63599f5a0 131 {
rajathishere 11:0fa63599f5a0 132 if (fabs(floor(d)-d)<=DBL_EPSILON && fabs(d)<1.0e60)sprintf(str,"%.0f",d);
rajathishere 11:0fa63599f5a0 133 else if (fabs(d)<1.0e-6 || fabs(d)>1.0e9) sprintf(str,"%e",d);
rajathishere 11:0fa63599f5a0 134 else sprintf(str,"%f",d);
rajathishere 11:0fa63599f5a0 135 }
rajathishere 11:0fa63599f5a0 136 }
rajathishere 11:0fa63599f5a0 137 return str;
rajathishere 11:0fa63599f5a0 138 }
rajathishere 11:0fa63599f5a0 139
rajathishere 11:0fa63599f5a0 140 static unsigned parse_hex4(const char *str)
rajathishere 11:0fa63599f5a0 141 {
rajathishere 11:0fa63599f5a0 142 unsigned h=0;
rajathishere 11:0fa63599f5a0 143 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;
rajathishere 11:0fa63599f5a0 144 h=h<<4;str++;
rajathishere 11:0fa63599f5a0 145 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;
rajathishere 11:0fa63599f5a0 146 h=h<<4;str++;
rajathishere 11:0fa63599f5a0 147 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;
rajathishere 11:0fa63599f5a0 148 h=h<<4;str++;
rajathishere 11:0fa63599f5a0 149 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;
rajathishere 11:0fa63599f5a0 150 return h;
rajathishere 11:0fa63599f5a0 151 }
rajathishere 11:0fa63599f5a0 152
rajathishere 11:0fa63599f5a0 153 /* Parse the input text into an unescaped cstring, and populate item. */
rajathishere 11:0fa63599f5a0 154 static const unsigned char firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
rajathishere 11:0fa63599f5a0 155 static const char *parse_string(cJSON *item,const char *str)
rajathishere 11:0fa63599f5a0 156 {
rajathishere 11:0fa63599f5a0 157 const char *ptr=str+1;char *ptr2;char *out;int len=0;unsigned uc,uc2;
rajathishere 11:0fa63599f5a0 158 if (*str!='\"') {ep=str;return 0;} /* not a string! */
rajathishere 11:0fa63599f5a0 159
rajathishere 11:0fa63599f5a0 160 while (*ptr!='\"' && *ptr && ++len) if (*ptr++ == '\\') ptr++; /* Skip escaped quotes. */
rajathishere 11:0fa63599f5a0 161
rajathishere 11:0fa63599f5a0 162 out=(char*)cJSON_malloc(len+1); /* This is how long we need for the string, roughly. */
rajathishere 11:0fa63599f5a0 163 if (!out) return 0;
rajathishere 11:0fa63599f5a0 164
rajathishere 11:0fa63599f5a0 165 ptr=str+1;ptr2=out;
rajathishere 11:0fa63599f5a0 166 while (*ptr!='\"' && *ptr)
rajathishere 11:0fa63599f5a0 167 {
rajathishere 11:0fa63599f5a0 168 if (*ptr!='\\') *ptr2++=*ptr++;
rajathishere 11:0fa63599f5a0 169 else
rajathishere 11:0fa63599f5a0 170 {
rajathishere 11:0fa63599f5a0 171 ptr++;
rajathishere 11:0fa63599f5a0 172 switch (*ptr)
rajathishere 11:0fa63599f5a0 173 {
rajathishere 11:0fa63599f5a0 174 case 'b': *ptr2++='\b'; break;
rajathishere 11:0fa63599f5a0 175 case 'f': *ptr2++='\f'; break;
rajathishere 11:0fa63599f5a0 176 case 'n': *ptr2++='\n'; break;
rajathishere 11:0fa63599f5a0 177 case 'r': *ptr2++='\r'; break;
rajathishere 11:0fa63599f5a0 178 case 't': *ptr2++='\t'; break;
rajathishere 11:0fa63599f5a0 179 case 'u': /* transcode utf16 to utf8. */
rajathishere 11:0fa63599f5a0 180 uc=parse_hex4(ptr+1);ptr+=4; /* get the unicode char. */
rajathishere 11:0fa63599f5a0 181
rajathishere 11:0fa63599f5a0 182 if ((uc>=0xDC00 && uc<=0xDFFF) || uc==0) break; /* check for invalid. */
rajathishere 11:0fa63599f5a0 183
rajathishere 11:0fa63599f5a0 184 if (uc>=0xD800 && uc<=0xDBFF) /* UTF16 surrogate pairs. */
rajathishere 11:0fa63599f5a0 185 {
rajathishere 11:0fa63599f5a0 186 if (ptr[1]!='\\' || ptr[2]!='u') break; /* missing second-half of surrogate. */
rajathishere 11:0fa63599f5a0 187 uc2=parse_hex4(ptr+3);ptr+=6;
rajathishere 11:0fa63599f5a0 188 if (uc2<0xDC00 || uc2>0xDFFF) break; /* invalid second-half of surrogate. */
rajathishere 11:0fa63599f5a0 189 uc=0x10000 + (((uc&0x3FF)<<10) | (uc2&0x3FF));
rajathishere 11:0fa63599f5a0 190 }
rajathishere 11:0fa63599f5a0 191
rajathishere 11:0fa63599f5a0 192 len=4;if (uc<0x80) len=1;else if (uc<0x800) len=2;else if (uc<0x10000) len=3; ptr2+=len;
rajathishere 11:0fa63599f5a0 193
rajathishere 11:0fa63599f5a0 194 switch (len) {
rajathishere 11:0fa63599f5a0 195 case 4: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
rajathishere 11:0fa63599f5a0 196 case 3: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
rajathishere 11:0fa63599f5a0 197 case 2: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
rajathishere 11:0fa63599f5a0 198 case 1: *--ptr2 =(uc | firstByteMark[len]);
rajathishere 11:0fa63599f5a0 199 }
rajathishere 11:0fa63599f5a0 200 ptr2+=len;
rajathishere 11:0fa63599f5a0 201 break;
rajathishere 11:0fa63599f5a0 202 default: *ptr2++=*ptr; break;
rajathishere 11:0fa63599f5a0 203 }
rajathishere 11:0fa63599f5a0 204 ptr++;
rajathishere 11:0fa63599f5a0 205 }
rajathishere 11:0fa63599f5a0 206 }
rajathishere 11:0fa63599f5a0 207 *ptr2=0;
rajathishere 11:0fa63599f5a0 208 if (*ptr=='\"') ptr++;
rajathishere 11:0fa63599f5a0 209 item->valuestring=out;
rajathishere 11:0fa63599f5a0 210 item->type=cJSON_String;
rajathishere 11:0fa63599f5a0 211 return ptr;
rajathishere 11:0fa63599f5a0 212 }
rajathishere 11:0fa63599f5a0 213
rajathishere 11:0fa63599f5a0 214 /* Render the cstring provided to an escaped version that can be printed. */
rajathishere 11:0fa63599f5a0 215 static char *print_string_ptr(const char *str)
rajathishere 11:0fa63599f5a0 216 {
rajathishere 11:0fa63599f5a0 217 const char *ptr;char *ptr2,*out;int len=0;unsigned char token;
rajathishere 11:0fa63599f5a0 218
rajathishere 11:0fa63599f5a0 219 if (!str) return cJSON_strdup("");
rajathishere 11:0fa63599f5a0 220 ptr=str;while ((token=*ptr) && ++len) {if (strchr("\"\\\b\f\n\r\t",token)) len++; else if (token<32) len+=5;ptr++;}
rajathishere 11:0fa63599f5a0 221
rajathishere 11:0fa63599f5a0 222 out=(char*)cJSON_malloc(len+3);
rajathishere 11:0fa63599f5a0 223 if (!out) return 0;
rajathishere 11:0fa63599f5a0 224
rajathishere 11:0fa63599f5a0 225 ptr2=out;ptr=str;
rajathishere 11:0fa63599f5a0 226 *ptr2++='\"';
rajathishere 11:0fa63599f5a0 227 while (*ptr)
rajathishere 11:0fa63599f5a0 228 {
rajathishere 11:0fa63599f5a0 229 if ((unsigned char)*ptr>31 && *ptr!='\"' && *ptr!='\\') *ptr2++=*ptr++;
rajathishere 11:0fa63599f5a0 230 else
rajathishere 11:0fa63599f5a0 231 {
rajathishere 11:0fa63599f5a0 232 *ptr2++='\\';
rajathishere 11:0fa63599f5a0 233 switch (token=*ptr++)
rajathishere 11:0fa63599f5a0 234 {
rajathishere 11:0fa63599f5a0 235 case '\\': *ptr2++='\\'; break;
rajathishere 11:0fa63599f5a0 236 case '\"': *ptr2++='\"'; break;
rajathishere 11:0fa63599f5a0 237 case '\b': *ptr2++='b'; break;
rajathishere 11:0fa63599f5a0 238 case '\f': *ptr2++='f'; break;
rajathishere 11:0fa63599f5a0 239 case '\n': *ptr2++='n'; break;
rajathishere 11:0fa63599f5a0 240 case '\r': *ptr2++='r'; break;
rajathishere 11:0fa63599f5a0 241 case '\t': *ptr2++='t'; break;
rajathishere 11:0fa63599f5a0 242 default: sprintf(ptr2,"u%04x",token);ptr2+=5; break; /* escape and print */
rajathishere 11:0fa63599f5a0 243 }
rajathishere 11:0fa63599f5a0 244 }
rajathishere 11:0fa63599f5a0 245 }
rajathishere 11:0fa63599f5a0 246 *ptr2++='\"';*ptr2++=0;
rajathishere 11:0fa63599f5a0 247 return out;
rajathishere 11:0fa63599f5a0 248 }
rajathishere 11:0fa63599f5a0 249 /* Invote print_string_ptr (which is useful) on an item. */
rajathishere 11:0fa63599f5a0 250 static char *print_string(cJSON *item) {return print_string_ptr(item->valuestring);}
rajathishere 11:0fa63599f5a0 251
rajathishere 11:0fa63599f5a0 252 /* Predeclare these prototypes. */
rajathishere 11:0fa63599f5a0 253 static const char *parse_value(cJSON *item,const char *value);
rajathishere 11:0fa63599f5a0 254 static char *print_value(cJSON *item,int depth,int fmt);
rajathishere 11:0fa63599f5a0 255 static const char *parse_array(cJSON *item,const char *value);
rajathishere 11:0fa63599f5a0 256 static char *print_array(cJSON *item,int depth,int fmt);
rajathishere 11:0fa63599f5a0 257 static const char *parse_object(cJSON *item,const char *value);
rajathishere 11:0fa63599f5a0 258 static char *print_object(cJSON *item,int depth,int fmt);
rajathishere 11:0fa63599f5a0 259
rajathishere 11:0fa63599f5a0 260 /* Utility to jump whitespace and cr/lf */
rajathishere 11:0fa63599f5a0 261 static const char *skip(const char *in) {while (in && *in && (unsigned char)*in<=32) in++; return in;}
rajathishere 11:0fa63599f5a0 262
rajathishere 11:0fa63599f5a0 263 /* Parse an object - create a new root, and populate. */
rajathishere 11:0fa63599f5a0 264 cJSON *cJSON_ParseWithOpts(const char *value,const char **return_parse_end,int require_null_terminated)
rajathishere 11:0fa63599f5a0 265 {
rajathishere 11:0fa63599f5a0 266 const char *end=0;
rajathishere 11:0fa63599f5a0 267 cJSON *c=cJSON_New_Item();
rajathishere 11:0fa63599f5a0 268 ep=0;
rajathishere 11:0fa63599f5a0 269 if (!c) return 0; /* memory fail */
rajathishere 11:0fa63599f5a0 270
rajathishere 11:0fa63599f5a0 271 end=parse_value(c,skip(value));
rajathishere 11:0fa63599f5a0 272 if (!end) {cJSON_Delete(c);return 0;} /* parse failure. ep is set. */
rajathishere 11:0fa63599f5a0 273
rajathishere 11:0fa63599f5a0 274 /* if we require null-terminated JSON without appended garbage, skip and then check for a null terminator */
rajathishere 11:0fa63599f5a0 275 if (require_null_terminated) {end=skip(end);if (*end) {cJSON_Delete(c);ep=end;return 0;}}
rajathishere 11:0fa63599f5a0 276 if (return_parse_end) *return_parse_end=end;
rajathishere 11:0fa63599f5a0 277 return c;
rajathishere 11:0fa63599f5a0 278 }
rajathishere 11:0fa63599f5a0 279 /* Default options for cJSON_Parse */
rajathishere 11:0fa63599f5a0 280 cJSON *cJSON_Parse(const char *value) {return cJSON_ParseWithOpts(value,0,0);}
rajathishere 11:0fa63599f5a0 281
rajathishere 11:0fa63599f5a0 282 /* Render a cJSON item/entity/structure to text. */
rajathishere 11:0fa63599f5a0 283 char *cJSON_Print(cJSON *item) {return print_value(item,0,1);}
rajathishere 11:0fa63599f5a0 284 char *cJSON_PrintUnformatted(cJSON *item) {return print_value(item,0,0);}
rajathishere 11:0fa63599f5a0 285
rajathishere 11:0fa63599f5a0 286 /* Parser core - when encountering text, process appropriately. */
rajathishere 11:0fa63599f5a0 287 static const char *parse_value(cJSON *item,const char *value)
rajathishere 11:0fa63599f5a0 288 {
rajathishere 11:0fa63599f5a0 289 if (!value) return 0; /* Fail on null. */
rajathishere 11:0fa63599f5a0 290 if (!strncmp(value,"null",4)) { item->type=cJSON_NULL; return value+4; }
rajathishere 11:0fa63599f5a0 291 if (!strncmp(value,"false",5)) { item->type=cJSON_False; return value+5; }
rajathishere 11:0fa63599f5a0 292 if (!strncmp(value,"true",4)) { item->type=cJSON_True; item->valueint=1; return value+4; }
rajathishere 11:0fa63599f5a0 293 if (*value=='\"') { return parse_string(item,value); }
rajathishere 11:0fa63599f5a0 294 if (*value=='-' || (*value>='0' && *value<='9')) { return parse_number(item,value); }
rajathishere 11:0fa63599f5a0 295 if (*value=='[') { return parse_array(item,value); }
rajathishere 11:0fa63599f5a0 296 if (*value=='{') { return parse_object(item,value); }
rajathishere 11:0fa63599f5a0 297
rajathishere 11:0fa63599f5a0 298 ep=value;return 0; /* failure. */
rajathishere 11:0fa63599f5a0 299 }
rajathishere 11:0fa63599f5a0 300
rajathishere 11:0fa63599f5a0 301 /* Render a value to text. */
rajathishere 11:0fa63599f5a0 302 static char *print_value(cJSON *item,int depth,int fmt)
rajathishere 11:0fa63599f5a0 303 {
rajathishere 11:0fa63599f5a0 304 char *out=0;
rajathishere 11:0fa63599f5a0 305 if (!item) return 0;
rajathishere 11:0fa63599f5a0 306 switch ((item->type)&255)
rajathishere 11:0fa63599f5a0 307 {
rajathishere 11:0fa63599f5a0 308 case cJSON_NULL: out=cJSON_strdup("null"); break;
rajathishere 11:0fa63599f5a0 309 case cJSON_False: out=cJSON_strdup("false");break;
rajathishere 11:0fa63599f5a0 310 case cJSON_True: out=cJSON_strdup("true"); break;
rajathishere 11:0fa63599f5a0 311 case cJSON_Number: out=print_number(item);break;
rajathishere 11:0fa63599f5a0 312 case cJSON_String: out=print_string(item);break;
rajathishere 11:0fa63599f5a0 313 case cJSON_Array: out=print_array(item,depth,fmt);break;
rajathishere 11:0fa63599f5a0 314 case cJSON_Object: out=print_object(item,depth,fmt);break;
rajathishere 11:0fa63599f5a0 315 }
rajathishere 11:0fa63599f5a0 316 return out;
rajathishere 11:0fa63599f5a0 317 }
rajathishere 11:0fa63599f5a0 318
rajathishere 11:0fa63599f5a0 319 /* Build an array from input text. */
rajathishere 11:0fa63599f5a0 320 static const char *parse_array(cJSON *item,const char *value)
rajathishere 11:0fa63599f5a0 321 {
rajathishere 11:0fa63599f5a0 322 cJSON *child;
rajathishere 11:0fa63599f5a0 323 if (*value!='[') {ep=value;return 0;} /* not an array! */
rajathishere 11:0fa63599f5a0 324
rajathishere 11:0fa63599f5a0 325 item->type=cJSON_Array;
rajathishere 11:0fa63599f5a0 326 value=skip(value+1);
rajathishere 11:0fa63599f5a0 327 if (*value==']') return value+1; /* empty array. */
rajathishere 11:0fa63599f5a0 328
rajathishere 11:0fa63599f5a0 329 item->child=child=cJSON_New_Item();
rajathishere 11:0fa63599f5a0 330 if (!item->child) return 0; /* memory fail */
rajathishere 11:0fa63599f5a0 331 value=skip(parse_value(child,skip(value))); /* skip any spacing, get the value. */
rajathishere 11:0fa63599f5a0 332 if (!value) return 0;
rajathishere 11:0fa63599f5a0 333
rajathishere 11:0fa63599f5a0 334 while (*value==',')
rajathishere 11:0fa63599f5a0 335 {
rajathishere 11:0fa63599f5a0 336 cJSON *new_item;
rajathishere 11:0fa63599f5a0 337 if (!(new_item=cJSON_New_Item())) return 0; /* memory fail */
rajathishere 11:0fa63599f5a0 338 child->next=new_item;new_item->prev=child;child=new_item;
rajathishere 11:0fa63599f5a0 339 value=skip(parse_value(child,skip(value+1)));
rajathishere 11:0fa63599f5a0 340 if (!value) return 0; /* memory fail */
rajathishere 11:0fa63599f5a0 341 }
rajathishere 11:0fa63599f5a0 342
rajathishere 11:0fa63599f5a0 343 if (*value==']') return value+1; /* end of array */
rajathishere 11:0fa63599f5a0 344 ep=value;return 0; /* malformed. */
rajathishere 11:0fa63599f5a0 345 }
rajathishere 11:0fa63599f5a0 346
rajathishere 11:0fa63599f5a0 347 /* Render an array to text */
rajathishere 11:0fa63599f5a0 348 static char *print_array(cJSON *item,int depth,int fmt)
rajathishere 11:0fa63599f5a0 349 {
rajathishere 11:0fa63599f5a0 350 char **entries;
rajathishere 11:0fa63599f5a0 351 char *out=0,*ptr,*ret;int len=5;
rajathishere 11:0fa63599f5a0 352 cJSON *child=item->child;
rajathishere 11:0fa63599f5a0 353 int numentries=0,i=0,fail=0;
rajathishere 11:0fa63599f5a0 354
rajathishere 11:0fa63599f5a0 355 /* How many entries in the array? */
rajathishere 11:0fa63599f5a0 356 while (child) numentries++,child=child->next;
rajathishere 11:0fa63599f5a0 357 /* Explicitly handle numentries==0 */
rajathishere 11:0fa63599f5a0 358 if (!numentries)
rajathishere 11:0fa63599f5a0 359 {
rajathishere 11:0fa63599f5a0 360 out=(char*)cJSON_malloc(3);
rajathishere 11:0fa63599f5a0 361 if (out) strcpy(out,"[]");
rajathishere 11:0fa63599f5a0 362 return out;
rajathishere 11:0fa63599f5a0 363 }
rajathishere 11:0fa63599f5a0 364 /* Allocate an array to hold the values for each */
rajathishere 11:0fa63599f5a0 365 entries=(char**)cJSON_malloc(numentries*sizeof(char*));
rajathishere 11:0fa63599f5a0 366 if (!entries) return 0;
rajathishere 11:0fa63599f5a0 367 memset(entries,0,numentries*sizeof(char*));
rajathishere 11:0fa63599f5a0 368 /* Retrieve all the results: */
rajathishere 11:0fa63599f5a0 369 child=item->child;
rajathishere 11:0fa63599f5a0 370 while (child && !fail)
rajathishere 11:0fa63599f5a0 371 {
rajathishere 11:0fa63599f5a0 372 ret=print_value(child,depth+1,fmt);
rajathishere 11:0fa63599f5a0 373 entries[i++]=ret;
rajathishere 11:0fa63599f5a0 374 if (ret) len+=strlen(ret)+2+(fmt?1:0); else fail=1;
rajathishere 11:0fa63599f5a0 375 child=child->next;
rajathishere 11:0fa63599f5a0 376 }
rajathishere 11:0fa63599f5a0 377
rajathishere 11:0fa63599f5a0 378 /* If we didn't fail, try to malloc the output string */
rajathishere 11:0fa63599f5a0 379 if (!fail) out=(char*)cJSON_malloc(len);
rajathishere 11:0fa63599f5a0 380 /* If that fails, we fail. */
rajathishere 11:0fa63599f5a0 381 if (!out) fail=1;
rajathishere 11:0fa63599f5a0 382
rajathishere 11:0fa63599f5a0 383 /* Handle failure. */
rajathishere 11:0fa63599f5a0 384 if (fail)
rajathishere 11:0fa63599f5a0 385 {
rajathishere 11:0fa63599f5a0 386 for (i=0;i<numentries;i++) if (entries[i]) cJSON_free(entries[i]);
rajathishere 11:0fa63599f5a0 387 cJSON_free(entries);
rajathishere 11:0fa63599f5a0 388 return 0;
rajathishere 11:0fa63599f5a0 389 }
rajathishere 11:0fa63599f5a0 390
rajathishere 11:0fa63599f5a0 391 /* Compose the output array. */
rajathishere 11:0fa63599f5a0 392 *out='[';
rajathishere 11:0fa63599f5a0 393 ptr=out+1;*ptr=0;
rajathishere 11:0fa63599f5a0 394 for (i=0;i<numentries;i++)
rajathishere 11:0fa63599f5a0 395 {
rajathishere 11:0fa63599f5a0 396 strcpy(ptr,entries[i]);ptr+=strlen(entries[i]);
rajathishere 11:0fa63599f5a0 397 if (i!=numentries-1) {*ptr++=',';if(fmt)*ptr++=' ';*ptr=0;}
rajathishere 11:0fa63599f5a0 398 cJSON_free(entries[i]);
rajathishere 11:0fa63599f5a0 399 }
rajathishere 11:0fa63599f5a0 400 cJSON_free(entries);
rajathishere 11:0fa63599f5a0 401 *ptr++=']';*ptr++=0;
rajathishere 11:0fa63599f5a0 402 return out;
rajathishere 11:0fa63599f5a0 403 }
rajathishere 11:0fa63599f5a0 404
rajathishere 11:0fa63599f5a0 405 /* Build an object from the text. */
rajathishere 11:0fa63599f5a0 406 static const char *parse_object(cJSON *item,const char *value)
rajathishere 11:0fa63599f5a0 407 {
rajathishere 11:0fa63599f5a0 408 cJSON *child;
rajathishere 11:0fa63599f5a0 409 if (*value!='{') {ep=value;return 0;} /* not an object! */
rajathishere 11:0fa63599f5a0 410
rajathishere 11:0fa63599f5a0 411 item->type=cJSON_Object;
rajathishere 11:0fa63599f5a0 412 value=skip(value+1);
rajathishere 11:0fa63599f5a0 413 if (*value=='}') return value+1; /* empty array. */
rajathishere 11:0fa63599f5a0 414
rajathishere 11:0fa63599f5a0 415 item->child=child=cJSON_New_Item();
rajathishere 11:0fa63599f5a0 416 if (!item->child) return 0;
rajathishere 11:0fa63599f5a0 417 value=skip(parse_string(child,skip(value)));
rajathishere 11:0fa63599f5a0 418 if (!value) return 0;
rajathishere 11:0fa63599f5a0 419 child->string=child->valuestring;child->valuestring=0;
rajathishere 11:0fa63599f5a0 420 if (*value!=':') {ep=value;return 0;} /* fail! */
rajathishere 11:0fa63599f5a0 421 value=skip(parse_value(child,skip(value+1))); /* skip any spacing, get the value. */
rajathishere 11:0fa63599f5a0 422 if (!value) return 0;
rajathishere 11:0fa63599f5a0 423
rajathishere 11:0fa63599f5a0 424 while (*value==',')
rajathishere 11:0fa63599f5a0 425 {
rajathishere 11:0fa63599f5a0 426 cJSON *new_item;
rajathishere 11:0fa63599f5a0 427 if (!(new_item=cJSON_New_Item())) return 0; /* memory fail */
rajathishere 11:0fa63599f5a0 428 child->next=new_item;new_item->prev=child;child=new_item;
rajathishere 11:0fa63599f5a0 429 value=skip(parse_string(child,skip(value+1)));
rajathishere 11:0fa63599f5a0 430 if (!value) return 0;
rajathishere 11:0fa63599f5a0 431 child->string=child->valuestring;child->valuestring=0;
rajathishere 11:0fa63599f5a0 432 if (*value!=':') {ep=value;return 0;} /* fail! */
rajathishere 11:0fa63599f5a0 433 value=skip(parse_value(child,skip(value+1))); /* skip any spacing, get the value. */
rajathishere 11:0fa63599f5a0 434 if (!value) return 0;
rajathishere 11:0fa63599f5a0 435 }
rajathishere 11:0fa63599f5a0 436
rajathishere 11:0fa63599f5a0 437 if (*value=='}') return value+1; /* end of array */
rajathishere 11:0fa63599f5a0 438 ep=value;return 0; /* malformed. */
rajathishere 11:0fa63599f5a0 439 }
rajathishere 11:0fa63599f5a0 440
rajathishere 11:0fa63599f5a0 441 /* Render an object to text. */
rajathishere 11:0fa63599f5a0 442 static char *print_object(cJSON *item,int depth,int fmt)
rajathishere 11:0fa63599f5a0 443 {
rajathishere 11:0fa63599f5a0 444 char **entries=0,**names=0;
rajathishere 11:0fa63599f5a0 445 char *out=0,*ptr,*ret,*str;int len=7,i=0,j;
rajathishere 11:0fa63599f5a0 446 cJSON *child=item->child;
rajathishere 11:0fa63599f5a0 447 int numentries=0,fail=0;
rajathishere 11:0fa63599f5a0 448 /* Count the number of entries. */
rajathishere 11:0fa63599f5a0 449 while (child) numentries++,child=child->next;
rajathishere 11:0fa63599f5a0 450 /* Explicitly handle empty object case */
rajathishere 11:0fa63599f5a0 451 if (!numentries)
rajathishere 11:0fa63599f5a0 452 {
rajathishere 11:0fa63599f5a0 453 out=(char*)cJSON_malloc(fmt?depth+4:3);
rajathishere 11:0fa63599f5a0 454 if (!out) return 0;
rajathishere 11:0fa63599f5a0 455 ptr=out;*ptr++='{';
rajathishere 11:0fa63599f5a0 456 if (fmt) {*ptr++='\n';for (i=0;i<depth-1;i++) *ptr++='\t';}
rajathishere 11:0fa63599f5a0 457 *ptr++='}';*ptr++=0;
rajathishere 11:0fa63599f5a0 458 return out;
rajathishere 11:0fa63599f5a0 459 }
rajathishere 11:0fa63599f5a0 460 /* Allocate space for the names and the objects */
rajathishere 11:0fa63599f5a0 461 entries=(char**)cJSON_malloc(numentries*sizeof(char*));
rajathishere 11:0fa63599f5a0 462 if (!entries) return 0;
rajathishere 11:0fa63599f5a0 463 names=(char**)cJSON_malloc(numentries*sizeof(char*));
rajathishere 11:0fa63599f5a0 464 if (!names) {cJSON_free(entries);return 0;}
rajathishere 11:0fa63599f5a0 465 memset(entries,0,sizeof(char*)*numentries);
rajathishere 11:0fa63599f5a0 466 memset(names,0,sizeof(char*)*numentries);
rajathishere 11:0fa63599f5a0 467
rajathishere 11:0fa63599f5a0 468 /* Collect all the results into our arrays: */
rajathishere 11:0fa63599f5a0 469 child=item->child;depth++;if (fmt) len+=depth;
rajathishere 11:0fa63599f5a0 470 while (child)
rajathishere 11:0fa63599f5a0 471 {
rajathishere 11:0fa63599f5a0 472 names[i]=str=print_string_ptr(child->string);
rajathishere 11:0fa63599f5a0 473 entries[i++]=ret=print_value(child,depth,fmt);
rajathishere 11:0fa63599f5a0 474 if (str && ret) len+=strlen(ret)+strlen(str)+2+(fmt?2+depth:0); else fail=1;
rajathishere 11:0fa63599f5a0 475 child=child->next;
rajathishere 11:0fa63599f5a0 476 }
rajathishere 11:0fa63599f5a0 477
rajathishere 11:0fa63599f5a0 478 /* Try to allocate the output string */
rajathishere 11:0fa63599f5a0 479 if (!fail) out=(char*)cJSON_malloc(len);
rajathishere 11:0fa63599f5a0 480 if (!out) fail=1;
rajathishere 11:0fa63599f5a0 481
rajathishere 11:0fa63599f5a0 482 /* Handle failure */
rajathishere 11:0fa63599f5a0 483 if (fail)
rajathishere 11:0fa63599f5a0 484 {
rajathishere 11:0fa63599f5a0 485 for (i=0;i<numentries;i++) {if (names[i]) cJSON_free(names[i]);if (entries[i]) cJSON_free(entries[i]);}
rajathishere 11:0fa63599f5a0 486 cJSON_free(names);cJSON_free(entries);
rajathishere 11:0fa63599f5a0 487 return 0;
rajathishere 11:0fa63599f5a0 488 }
rajathishere 11:0fa63599f5a0 489
rajathishere 11:0fa63599f5a0 490 /* Compose the output: */
rajathishere 11:0fa63599f5a0 491 *out='{';ptr=out+1;if (fmt)*ptr++='\n';*ptr=0;
rajathishere 11:0fa63599f5a0 492 for (i=0;i<numentries;i++)
rajathishere 11:0fa63599f5a0 493 {
rajathishere 11:0fa63599f5a0 494 if (fmt) for (j=0;j<depth;j++) *ptr++='\t';
rajathishere 11:0fa63599f5a0 495 strcpy(ptr,names[i]);ptr+=strlen(names[i]);
rajathishere 11:0fa63599f5a0 496 *ptr++=':';if (fmt) *ptr++='\t';
rajathishere 11:0fa63599f5a0 497 strcpy(ptr,entries[i]);ptr+=strlen(entries[i]);
rajathishere 11:0fa63599f5a0 498 if (i!=numentries-1) *ptr++=',';
rajathishere 11:0fa63599f5a0 499 if (fmt) *ptr++='\n';*ptr=0;
rajathishere 11:0fa63599f5a0 500 cJSON_free(names[i]);cJSON_free(entries[i]);
rajathishere 11:0fa63599f5a0 501 }
rajathishere 11:0fa63599f5a0 502
rajathishere 11:0fa63599f5a0 503 cJSON_free(names);cJSON_free(entries);
rajathishere 11:0fa63599f5a0 504 if (fmt) for (i=0;i<depth-1;i++) *ptr++='\t';
rajathishere 11:0fa63599f5a0 505 *ptr++='}';*ptr++=0;
rajathishere 11:0fa63599f5a0 506 return out;
rajathishere 11:0fa63599f5a0 507 }
rajathishere 11:0fa63599f5a0 508
rajathishere 11:0fa63599f5a0 509 /* Get Array size/item / object item. */
rajathishere 11:0fa63599f5a0 510 int cJSON_GetArraySize(cJSON *array) {cJSON *c=array->child;int i=0;while(c)i++,c=c->next;return i;}
rajathishere 11:0fa63599f5a0 511 cJSON *cJSON_GetArrayItem(cJSON *array,int item) {cJSON *c=array->child; while (c && item>0) item--,c=c->next; return c;}
rajathishere 11:0fa63599f5a0 512 cJSON *cJSON_GetObjectItem(cJSON *object,const char *string) {cJSON *c=object->child; while (c && cJSON_strcasecmp(c->string,string)) c=c->next; return c;}
rajathishere 11:0fa63599f5a0 513
rajathishere 11:0fa63599f5a0 514 /* Utility for array list handling. */
rajathishere 11:0fa63599f5a0 515 static void suffix_object(cJSON *prev,cJSON *item) {prev->next=item;item->prev=prev;}
rajathishere 11:0fa63599f5a0 516 /* Utility for handling references. */
rajathishere 11:0fa63599f5a0 517 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;}
rajathishere 11:0fa63599f5a0 518
rajathishere 11:0fa63599f5a0 519 /* Add item to array/object. */
rajathishere 11:0fa63599f5a0 520 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);}}
rajathishere 11:0fa63599f5a0 521 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);}
rajathishere 11:0fa63599f5a0 522 void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item) {cJSON_AddItemToArray(array,create_reference(item));}
rajathishere 11:0fa63599f5a0 523 void cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item) {cJSON_AddItemToObject(object,string,create_reference(item));}
rajathishere 11:0fa63599f5a0 524
rajathishere 11:0fa63599f5a0 525 cJSON *cJSON_DetachItemFromArray(cJSON *array,int which) {cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) return 0;
rajathishere 11:0fa63599f5a0 526 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;}
rajathishere 11:0fa63599f5a0 527 void cJSON_DeleteItemFromArray(cJSON *array,int which) {cJSON_Delete(cJSON_DetachItemFromArray(array,which));}
rajathishere 11:0fa63599f5a0 528 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;}
rajathishere 11:0fa63599f5a0 529 void cJSON_DeleteItemFromObject(cJSON *object,const char *string) {cJSON_Delete(cJSON_DetachItemFromObject(object,string));}
rajathishere 11:0fa63599f5a0 530
rajathishere 11:0fa63599f5a0 531 /* Replace array/object items with new ones. */
rajathishere 11:0fa63599f5a0 532 void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem) {cJSON *c=array->child;while (c && which>0) c=c->next,which--;if (!c) return;
rajathishere 11:0fa63599f5a0 533 newitem->next=c->next;newitem->prev=c->prev;if (newitem->next) newitem->next->prev=newitem;
rajathishere 11:0fa63599f5a0 534 if (c==array->child) array->child=newitem; else newitem->prev->next=newitem;c->next=c->prev=0;cJSON_Delete(c);}
rajathishere 11:0fa63599f5a0 535 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);}}
rajathishere 11:0fa63599f5a0 536
rajathishere 11:0fa63599f5a0 537 /* Create basic types: */
rajathishere 11:0fa63599f5a0 538 cJSON *cJSON_CreateNull(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_NULL;return item;}
rajathishere 11:0fa63599f5a0 539 cJSON *cJSON_CreateTrue(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_True;return item;}
rajathishere 11:0fa63599f5a0 540 cJSON *cJSON_CreateFalse(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_False;return item;}
rajathishere 11:0fa63599f5a0 541 cJSON *cJSON_CreateBool(int b) {cJSON *item=cJSON_New_Item();if(item)item->type=b?cJSON_True:cJSON_False;return item;}
rajathishere 11:0fa63599f5a0 542 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;}
rajathishere 11:0fa63599f5a0 543 cJSON *cJSON_CreateString(const char *string) {cJSON *item=cJSON_New_Item();if(item){item->type=cJSON_String;item->valuestring=cJSON_strdup(string);}return item;}
rajathishere 11:0fa63599f5a0 544 cJSON *cJSON_CreateArray(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_Array;return item;}
rajathishere 11:0fa63599f5a0 545 cJSON *cJSON_CreateObject(void) {cJSON *item=cJSON_New_Item();if(item)item->type=cJSON_Object;return item;}
rajathishere 11:0fa63599f5a0 546
rajathishere 11:0fa63599f5a0 547 /* Create Arrays: */
rajathishere 11:0fa63599f5a0 548 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(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
rajathishere 11:0fa63599f5a0 549 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(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
rajathishere 11:0fa63599f5a0 550 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(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
rajathishere 11:0fa63599f5a0 551 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(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
rajathishere 11:0fa63599f5a0 552
rajathishere 11:0fa63599f5a0 553 /* Duplication */
rajathishere 11:0fa63599f5a0 554 cJSON *cJSON_Duplicate(cJSON *item,int recurse)
rajathishere 11:0fa63599f5a0 555 {
rajathishere 11:0fa63599f5a0 556 cJSON *newitem,*cptr,*nptr=0,*newchild;
rajathishere 11:0fa63599f5a0 557 /* Bail on bad ptr */
rajathishere 11:0fa63599f5a0 558 if (!item) return 0;
rajathishere 11:0fa63599f5a0 559 /* Create new item */
rajathishere 11:0fa63599f5a0 560 newitem=cJSON_New_Item();
rajathishere 11:0fa63599f5a0 561 if (!newitem) return 0;
rajathishere 11:0fa63599f5a0 562 /* Copy over all vars */
rajathishere 11:0fa63599f5a0 563 newitem->type=item->type&(~cJSON_IsReference),newitem->valueint=item->valueint,newitem->valuedouble=item->valuedouble;
rajathishere 11:0fa63599f5a0 564 if (item->valuestring) {newitem->valuestring=cJSON_strdup(item->valuestring); if (!newitem->valuestring) {cJSON_Delete(newitem);return 0;}}
rajathishere 11:0fa63599f5a0 565 if (item->string) {newitem->string=cJSON_strdup(item->string); if (!newitem->string) {cJSON_Delete(newitem);return 0;}}
rajathishere 11:0fa63599f5a0 566 /* If non-recursive, then we're done! */
rajathishere 11:0fa63599f5a0 567 if (!recurse) return newitem;
rajathishere 11:0fa63599f5a0 568 /* Walk the ->next chain for the child. */
rajathishere 11:0fa63599f5a0 569 cptr=item->child;
rajathishere 11:0fa63599f5a0 570 while (cptr)
rajathishere 11:0fa63599f5a0 571 {
rajathishere 11:0fa63599f5a0 572 newchild=cJSON_Duplicate(cptr,1); /* Duplicate (with recurse) each item in the ->next chain */
rajathishere 11:0fa63599f5a0 573 if (!newchild) {cJSON_Delete(newitem);return 0;}
rajathishere 11:0fa63599f5a0 574 if (nptr) {nptr->next=newchild,newchild->prev=nptr;nptr=newchild;} /* If newitem->child already set, then crosswire ->prev and ->next and move on */
rajathishere 11:0fa63599f5a0 575 else {newitem->child=newchild;nptr=newchild;} /* Set newitem->child and move to it */
rajathishere 11:0fa63599f5a0 576 cptr=cptr->next;
rajathishere 11:0fa63599f5a0 577 }
rajathishere 11:0fa63599f5a0 578 return newitem;
rajathishere 11:0fa63599f5a0 579 }
rajathishere 11:0fa63599f5a0 580
rajathishere 11:0fa63599f5a0 581 void cJSON_Minify(char *json)
rajathishere 11:0fa63599f5a0 582 {
rajathishere 11:0fa63599f5a0 583 char *into=json;
rajathishere 11:0fa63599f5a0 584 while (*json)
rajathishere 11:0fa63599f5a0 585 {
rajathishere 11:0fa63599f5a0 586 if (*json==' ') json++;
rajathishere 11:0fa63599f5a0 587 else if (*json=='\t') json++; // Whitespace characters.
rajathishere 11:0fa63599f5a0 588 else if (*json=='\r') json++;
rajathishere 11:0fa63599f5a0 589 else if (*json=='\n') json++;
rajathishere 11:0fa63599f5a0 590 else if (*json=='/' && json[1]=='/') while (*json && *json!='\n') json++; // double-slash comments, to end of line.
rajathishere 11:0fa63599f5a0 591 else if (*json=='/' && json[1]=='*') {while (*json && !(*json=='*' && json[1]=='/')) json++;json+=2;} // multiline comments.
rajathishere 11:0fa63599f5a0 592 else if (*json=='\"'){*into++=*json++;while (*json && *json!='\"'){if (*json=='\\') *into++=*json++;*into++=*json++;}*into++=*json++;} // string literals, which are \" sensitive.
rajathishere 11:0fa63599f5a0 593 else *into++=*json++; // All other characters.
rajathishere 11:0fa63599f5a0 594 }
rajathishere 11:0fa63599f5a0 595 *into=0; // and null-terminate.
rajathishere 11:0fa63599f5a0 596 }