项目文件:
chunli@Linux:~/ace/json/cJSON$ tree . ├── cJSON.c ├── cJSON.h ├── main.c └── tests ├── test1 ├── test2 ├── test3 ├── test4 └── test5 1 directory, 8 files
-
- chunli@Linux:~/ace/json/cJSON$ cat cJSON.h
- /*
- Copyright (c) 2009 Dave Gamble
-
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
-
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
- */
-
- #ifndef cJSON__h
- #define cJSON__h
-
- #ifdef __cplusplus
- extern "C"
- {
- #endif
-
- /* cJSON Types: */
- #define cJSON_False 0
- #define cJSON_True 1
- #define cJSON_NULL 2
- #define cJSON_Number 3
- #define cJSON_String 4
- #define cJSON_Array 5
- #define cJSON_Object 6
-
- #define cJSON_IsReference 256
- #define cJSON_StringIsConst 512
-
- /* The cJSON structure: */
- typedef struct cJSON {
- struct cJSON *next,*prev; /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */
- struct cJSON *child; /* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */
-
- int type; /* The type of the item, as above. */
-
- char *valuestring; /* The item's string, if type==cJSON_String */
- int valueint; /* The item's number, if type==cJSON_Number */
- double valuedouble; /* The item's number, if type==cJSON_Number */
-
- char *string; /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
- } cJSON;
-
- typedef struct cJSON_Hooks {
- void *(*malloc_fn)(size_t sz);
- void (*free_fn)(void *ptr);
- } cJSON_Hooks;
-
- /* Supply malloc, realloc and free functions to cJSON */
- extern void cJSON_InitHooks(cJSON_Hooks* hooks);
-
-
- /* Supply a block of JSON, and this returns a cJSON object you can interrogate. Call cJSON_Delete when finished. */
- extern cJSON *cJSON_Parse(const char *value);
- /* Render a cJSON entity to text for transfer/storage. Free the char* when finished. */
- extern char *cJSON_Print(cJSON *item);
- /* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */
- extern char *cJSON_PrintUnformatted(cJSON *item);
- /* Render a cJSON entity to text using a buffered strategy. prebuffer is a guess at the final size. guessing well reduces reallocation. fmt=0 gives unformatted, =1 gives formatted */
- extern char *cJSON_PrintBuffered(cJSON *item,int prebuffer,int fmt);
- /* Delete a cJSON entity and all subentities. */
- extern void cJSON_Delete(cJSON *c);
-
- /* Returns the number of items in an array (or object). */
- extern int cJSON_GetArraySize(cJSON *array);
- /* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */
- extern cJSON *cJSON_GetArrayItem(cJSON *array,int item);
- /* Get item "string" from object. Case insensitive. */
- extern cJSON *cJSON_GetObjectItem(cJSON *object,const char *string);
-
- /* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */
- extern const char *cJSON_GetErrorPtr(void);
-
- /* These calls create a cJSON item of the appropriate type. */
- extern cJSON *cJSON_CreateNull(void);
- extern cJSON *cJSON_CreateTrue(void);
- extern cJSON *cJSON_CreateFalse(void);
- extern cJSON *cJSON_CreateBool(int b);
- extern cJSON *cJSON_CreateNumber(double num);
- extern cJSON *cJSON_CreateString(const char *string);
- extern cJSON *cJSON_CreateArray(void);
- extern cJSON *cJSON_CreateObject(void);
-
- /* These utilities create an Array of count items. */
- extern cJSON *cJSON_CreateIntArray(const int *numbers,int count);
- extern cJSON *cJSON_CreateFloatArray(const float *numbers,int count);
- extern cJSON *cJSON_CreateDoubleArray(const double *numbers,int count);
- extern cJSON *cJSON_CreateStringArray(const char **strings,int count);
-
- /* Append item to the specified array/object. */
- extern void cJSON_AddItemToArray(cJSON *array, cJSON *item);
- extern void cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item);
- extern void cJSON_AddItemToObjectCS(cJSON *object,const char *string,cJSON *item); /* Use this when string is definitely const (i.e. a literal, or as good as), and will definitely survive the cJSON object */
- /* Append reference to item to the specified array/object. Use this when you want to add an existing cJSON to a new cJSON, but don't want to corrupt your existing cJSON. */
- extern void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item);
- extern void cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item);
-
- /* Remove/Detatch items from Arrays/Objects. */
- extern cJSON *cJSON_DetachItemFromArray(cJSON *array,int which);
- extern void cJSON_DeleteItemFromArray(cJSON *array,int which);
- extern cJSON *cJSON_DetachItemFromObject(cJSON *object,const char *string);
- extern void cJSON_DeleteItemFromObject(cJSON *object,const char *string);
-
- /* Update array items. */
- extern void cJSON_InsertItemInArray(cJSON *array,int which,cJSON *newitem); /* Shifts pre-existing items to the right. */
- extern void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem);
- extern void cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem);
-
- /* Duplicate a cJSON item */
- extern cJSON *cJSON_Duplicate(cJSON *item,int recurse);
- /* Duplicate will create a new, identical cJSON item to the one you pass, in new memory that will
- need to be released. With recurse!=0, it will duplicate any children connected to the item.
- The item->next and ->prev pointers are always zero on return from Duplicate. */
-
- /* ParseWithOpts allows you to require (and check) that the JSON is null terminated, and to retrieve the pointer to the final byte parsed. */
- extern cJSON *cJSON_ParseWithOpts(const char *value,const char **return_parse_end,int require_null_terminated);
-
- extern void cJSON_Minify(char *json);
-
- /* Macros for creating things quickly. */
- #define cJSON_AddNullToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateNull())
- #define cJSON_AddTrueToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateTrue())
- #define cJSON_AddFalseToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateFalse())
- #define cJSON_AddBoolToObject(object,name,b) cJSON_AddItemToObject(object, name, cJSON_CreateBool(b))
- #define cJSON_AddNumberToObject(object,name,n) cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
- #define cJSON_AddStringToObject(object,name,s) cJSON_AddItemToObject(object, name, cJSON_CreateString(s))
-
- /* When assigning an integer value, it needs to be propagated to valuedouble too. */
- #define cJSON_SetIntValue(object,val) ((object)?(object)->valueint=(object)->valuedouble=(val):(val))
- #define cJSON_SetNumberValue(object,val) ((object)?(object)->valueint=(object)->valuedouble=(val):(val))
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif
-
-
- chunli@Linux:~/ace/json/cJSON$ cat cJSON.c
- /*
- Copyright (c) 2009 Dave Gamble
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
- */
-
- /* cJSON */
- /* JSON parser in C. */
-
- #include <string.h>
- #include <stdio.h>
- #include <math.h>
- #include <stdlib.h>
- #include <float.h>
- #include <limits.h>
- #include <ctype.h>
- #include "cJSON.h"
-
- static const char *ep;
-
- const char *cJSON_GetErrorPtr(void) {return ep;}
-
- static int cJSON_strcasecmp(const char *s1,const char *s2)
- {
- if (!s1) return (s1==s2)?0:1;if (!s2) return 1;
- for(; tolower(*s1) == tolower(*s2); ++s1, ++s2) if(*s1 == 0) return 0;
- return tolower(*(const unsigned char *)s1) - tolower(*(const unsigned char *)s2);
- }
-
- static void *(*cJSON_malloc)(size_t sz) = malloc;
- static void (*cJSON_free)(void *ptr) = free;
-
- static char* cJSON_strdup(const char* str)
- {
- size_t len;
- char* copy;
-
- len = strlen(str) + 1;
- if (!(copy = (char*)cJSON_malloc(len))) return 0;
- memcpy(copy,str,len);
- return copy;
- }
-
- void cJSON_InitHooks(cJSON_Hooks* hooks)
- {
- if (!hooks) { /* Reset hooks */
- cJSON_malloc = malloc;
- cJSON_free = free;
- return;
- }
-
- cJSON_malloc = (hooks->malloc_fn)?hooks->malloc_fn:malloc;
- cJSON_free = (hooks->free_fn)?hooks->free_fn:free;
- }
-
- /* Internal constructor. */
- static cJSON *cJSON_New_Item(void)
- {
- cJSON* node = (cJSON*)cJSON_malloc(sizeof(cJSON));
- if (node) memset(node,0,sizeof(cJSON));
- return node;
- }
-
- /* Delete a cJSON structure. */
- void cJSON_Delete(cJSON *c)
- {
- cJSON *next;
- while (c)
- {
- next=c->next;
- if (!(c->type&cJSON_IsReference) && c->child) cJSON_Delete(c->child);
- if (!(c->type&cJSON_IsReference) && c->valuestring) cJSON_free(c->valuestring);
- if (!(c->type&cJSON_StringIsConst) && c->string) cJSON_free(c->string);
- cJSON_free(c);
- c=next;
- }
- }
-
- /* Parse the input text to generate a number, and populate the result into item. */
- static const char *parse_number(cJSON *item,const char *num)
- {
- double n=0,sign=1,scale=0;int subscale=0,signsubscale=1;
-
- if (*num=='-') sign=-1,num++; /* Has sign? */
- if (*num=='0') num++; /* is zero */
- if (*num>='1' && *num<='9') do n=(n*10.0)+(*num++ -'0'); while (*num>='0' && *num<='9'); /* Number? */
- 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? */
- }
-
- n=sign*n*pow(10.0,(scale+subscale*signsubscale)); /* number = +/- number.fraction * 10^+/- exponent */
-
- item->valuedouble=n;
- item->valueint=(int)n;
- item->type=cJSON_Number;
- return num;
- }
-
- static int pow2gt (int x) { --x; x|=x>>1; x|=x>>2; x|=x>>4; x|=x>>8; x|=x>>16; return x+1; }
-
- typedef struct {char *buffer; int length; int offset; } printbuffer;
-
- static char* ensure(printbuffer *p,int needed)
- {
- char *newbuffer;int newsize;
- if (!p || !p->buffer) return 0;
- needed+=p->offset;
- if (needed<=p->length) return p->buffer+p->offset;
-
- newsize=pow2gt(needed);
- 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;
- }
-
- static int update(printbuffer *p)
- {
- char *str;
- if (!p || !p->buffer) return 0;
- str=p->buffer+p->offset;
- return p->offset+strlen(str);
- }
-
- /* Render the number nicely from the given item into a string. */
- static char *print_number(cJSON *item,printbuffer *p)
- {
- char *str=0;
- double d=item->valuedouble;
- if (d==0)
- {
- if (p) str=ensure(p,2);
- else str=(char*)cJSON_malloc(2); /* special case for 0. */
- if (str) strcpy(str,"0");
- }
- else if (fabs(((double)item->valueint)-d)<=DBL_EPSILON && d<=INT_MAX && d>=INT_MIN)
- {
- if (p) str=ensure(p,21);
- else str=(char*)cJSON_malloc(21); /* 2^64+1 can be represented in 21 chars. */
- if (str) sprintf(str,"%d",item->valueint);
- }
- else
- {
- if (p) str=ensure(p,64);
- else str=(char*)cJSON_malloc(64); /* This is a nice tradeoff. */
- if (str)
- {
- 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 sprintf(str,"%f",d);
- }
- }
- return str;
- }
-
- static unsigned parse_hex4(const char *str)
- {
- unsigned 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;
- 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;
- 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;
- 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;
- return h;
- }
-
- /* Parse the input text into an unescaped cstring, and populate item. */
- static const unsigned char firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
- static const char *parse_string(cJSON *item,const char *str)
- {
- const char *ptr=str+1;char *ptr2;char *out;int len=0;unsigned uc,uc2;
- if (*str!='\"') {ep=str;return 0;} /* not a string! */
-
- while (*ptr!='\"' && *ptr && ++len) if (*ptr++ == '\\') ptr++; /* Skip escaped quotes. */
-
- out=(char*)cJSON_malloc(len+1); /* This is how long we need for the string, roughly. */
- if (!out) return 0;
-
- ptr=str+1;ptr2=out;
- while (*ptr!='\"' && *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 ((uc>=0xDC00 && uc<=0xDFFF) || uc==0) break; /* check for invalid. */
-
- if (uc>=0xD800 && uc<=0xDBFF) /* UTF16 surrogate pairs. */
- {
- if (ptr[1]!='\\' || ptr[2]!='u') break; /* missing second-half of surrogate. */
- uc2=parse_hex4(ptr+3);ptr+=6;
- if (uc2<0xDC00 || uc2>0xDFFF) break; /* 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;
-
- switch (len) {
- case 4: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
- case 3: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
- case 2: *--ptr2 =((uc | 0x80) & 0xBF); uc >>= 6;
- case 1: *--ptr2 =(uc | firstByteMark[len]);
- }
- ptr2+=len;
- break;
- default: *ptr2++=*ptr; break;
- }
- ptr++;
- }
- }
- *ptr2=0;
- if (*ptr=='\"') ptr++;
- item->valuestring=out;
- item->type=cJSON_String;
- return ptr;
- }
-
- /* Render the cstring provided to an escaped version that can be printed. */
- static char *print_string_ptr(const char *str,printbuffer *p)
- {
- const char *ptr;char *ptr2,*out;int len=0,flag=0;unsigned char token;
-
- 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;
- }
-
- if (!str)
- {
- if (p) out=ensure(p,3);
- else out=(char*)cJSON_malloc(3);
- if (!out) return 0;
- strcpy(out,"\"\"");
- 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;
- *ptr2++='\"';
- while (*ptr)
- {
- if ((unsigned char)*ptr>31 && *ptr!='\"' && *ptr!='\\') *ptr2++=*ptr++;
- else
- {
- *ptr2++='\\';
- switch (token=*ptr++)
- {
- case '\\': *ptr2++='\\'; break;
- case '\"': *ptr2++='\"'; break;
- 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;
- default: sprintf(ptr2,"u%04x",token);ptr2+=5; break; /* escape and print */
- }
- }
- }
- *ptr2++='\"';*ptr2++=0;
- return out;
- }
- /* 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);}
-
- /* Predeclare these prototypes. */
- static const char *parse_value(cJSON *item,const char *value);
- static char *print_value(cJSON *item,int depth,int fmt,printbuffer *p);
- static const char *parse_array(cJSON *item,const char *value);
- static char *print_array(cJSON *item,int depth,int fmt,printbuffer *p);
- static const char *parse_object(cJSON *item,const char *value);
- static char *print_object(cJSON *item,int depth,int fmt,printbuffer *p);
-
- /* Utility to jump whitespace and cr/lf */
- static const char *skip(const char *in) {while (in && *in && (unsigned char)*in<=32) in++; return in;}
-
- /* Parse an object - create a new root, and populate. */
- cJSON *cJSON_ParseWithOpts(const char *value,const char **return_parse_end,int require_null_terminated)
- {
- const char *end=0;
- cJSON *c=cJSON_New_Item();
- ep=0;
- if (!c) return 0; /* memory fail */
-
- end=parse_value(c,skip(value));
- if (!end) {cJSON_Delete(c);return 0;} /* parse failure. ep is set. */
-
- /* if we require null-terminated JSON without appended garbage, skip and then check for a null terminator */
- if (require_null_terminated) {end=skip(end);if (*end) {cJSON_Delete(c);ep=end;return 0;}}
- if (return_parse_end) *return_parse_end=end;
- return c;
- }
- /* Default options for cJSON_Parse */
- cJSON *cJSON_Parse(const char *value) {return cJSON_ParseWithOpts(value,0,0);}
-
- /* Render a cJSON item/entity/structure to text. */
- char *cJSON_Print(cJSON *item) {return print_value(item,0,1,0);}
- char *cJSON_PrintUnformatted(cJSON *item) {return print_value(item,0,0,0);}
-
- char *cJSON_PrintBuffered(cJSON *item,int prebuffer,int fmt)
- {
- printbuffer p;
- p.buffer=(char*)cJSON_malloc(prebuffer);
- p.length=prebuffer;
- p.offset=0;
- return print_value(item,0,fmt,&p);
- return p.buffer;
- }
-
-
- /* Parser core - when encountering text, process appropriately. */
- static const char *parse_value(cJSON *item,const char *value)
- {
- if (!value) return 0; /* Fail on 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; }
- if (!strncmp(value,"true",4)) { item->type=cJSON_True; item->valueint=1; return value+4; }
- if (*value=='\"') { return parse_string(item,value); }
- if (*value=='-' || (*value>='0' && *value<='9')) { return parse_number(item,value); }
- if (*value=='[') { return parse_array(item,value); }
- if (*value=='{') { return parse_object(item,value); }
-
- ep=value;return 0; /* failure. */
- }
-
- /* Render a value to text. */
- static char *print_value(cJSON *item,int depth,int fmt,printbuffer *p)
- {
- char *out=0;
- if (!item) return 0;
- if (p)
- {
- switch ((item->type)&255)
- {
- 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;}
- case cJSON_True: {out=ensure(p,5); if (out) strcpy(out,"true"); break;}
- case cJSON_Number: out=print_number(item,p);break;
- case cJSON_String: out=print_string(item,p);break;
- case cJSON_Array: out=print_array(item,depth,fmt,p);break;
- case cJSON_Object: out=print_object(item,depth,fmt,p);break;
- }
- }
- else
- {
- switch ((item->type)&255)
- {
- case cJSON_NULL: out=cJSON_strdup("null"); break;
- case cJSON_False: out=cJSON_strdup("false");break;
- case cJSON_True: out=cJSON_strdup("true"); break;
- case cJSON_Number: out=print_number(item,0);break;
- case cJSON_String: out=print_string(item,0);break;
- case cJSON_Array: out=print_array(item,depth,fmt,0);break;
- case cJSON_Object: out=print_object(item,depth,fmt,0);break;
- }
- }
- return out;
- }
-
- /* Build an array from input text. */
- static const char *parse_array(cJSON *item,const char *value)
- {
- cJSON *child;
- if (*value!='[') {ep=value;return 0;} /* not an array! */
-
- item->type=cJSON_Array;
- value=skip(value+1);
- if (*value==']') return value+1; /* empty array. */
-
- item->child=child=cJSON_New_Item();
- if (!item->child) return 0; /* memory fail */
- value=skip(parse_value(child,skip(value))); /* skip any spacing, get the value. */
- if (!value) return 0;
-
- while (*value==',')
- {
- cJSON *new_item;
- if (!(new_item=cJSON_New_Item())) return 0; /* memory fail */
- child->next=new_item;new_item->prev=child;child=new_item;
- value=skip(parse_value(child,skip(value+1)));
- if (!value) return 0; /* memory fail */
- }
-
- if (*value==']') return value+1; /* end of array */
- ep=value;return 0; /* malformed. */
- }
-
- /* Render an array to text */
- static char *print_array(cJSON *item,int depth,int fmt,printbuffer *p)
- {
- char **entries;
- char *out=0,*ptr,*ret;int len=5;
- cJSON *child=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)
- {
- /* Compose the output array. */
- 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. */
- if (fail)
- {
- for (i=0;i<numentries;i++) if (entries[i]) cJSON_free(entries[i]);
- cJSON_free(entries);
- return 0;
- }
-
- /* Compose the output array. */
- *out='[';
- ptr=out+1;*ptr=0;
- for (i=0;i<numentries;i++)
- {
- tmplen=strlen(entries[i]);memcpy(ptr,entries[i],tmplen);ptr+=tmplen;
- if (i!=numentries-1) {*ptr++=',';if(fmt)*ptr++=' ';*ptr=0;}
- cJSON_free(entries[i]);
- }
- cJSON_free(entries);
- *ptr++=']';*ptr++=0;
- }
- return out;
- }
-
- /* Build an object from the text. */
- static const char *parse_object(cJSON *item,const char *value)
- {
- cJSON *child;
- if (*value!='{') {ep=value;return 0;} /* not an object! */
-
- item->type=cJSON_Object;
- value=skip(value+1);
- if (*value=='}') return value+1; /* empty array. */
-
- item->child=child=cJSON_New_Item();
- if (!item->child) return 0;
- value=skip(parse_string(child,skip(value)));
- if (!value) return 0;
- child->string=child->valuestring;child->valuestring=0;
- if (*value!=':') {ep=value;return 0;} /* fail! */
- value=skip(parse_value(child,skip(value+1))); /* skip any spacing, get the value. */
- if (!value) return 0;
-
- while (*value==',')
- {
- cJSON *new_item;
- 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)));
- if (!value) return 0;
- child->string=child->valuestring;child->valuestring=0;
- if (*value!=':') {ep=value;return 0;} /* fail! */
- value=skip(parse_value(child,skip(value+1))); /* skip any spacing, get the value. */
- if (!value) return 0;
- }
-
- if (*value=='}') return value+1; /* end of array */
- ep=value;return 0; /* malformed. */
- }
-
- /* Render an object to text. */
- static char *print_object(cJSON *item,int depth,int fmt,printbuffer *p)
- {
- char **entries=0,**names=0;
- char *out=0,*ptr,*ret,*str;int len=7,i=0,j;
- cJSON *child=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-1;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);
- ptr=ensure(p,len+1); if (!ptr) return 0;
- if (child->next) *ptr++=',';
- 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: */
- child=item->child;depth++;if (fmt) len+=depth;
- while (child)
- {
- names[i]=str=print_string_ptr(child->string,0);
- entries[i++]=ret=print_value(child,depth,fmt,0);
- 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 */
- if (fail)
- {
- 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);
- return 0;
- }
-
- /* Compose the output: */
- *out='{';ptr=out+1;if (fmt)*ptr++='\n';*ptr=0;
- for (i=0;i<numentries;i++)
- {
- if (fmt) for (j=0;j<depth;j++) *ptr++='\t';
- tmplen=strlen(names[i]);memcpy(ptr,names[i],tmplen);ptr+=tmplen;
- *ptr++=':';if (fmt) *ptr++='\t';
- strcpy(ptr,entries[i]);ptr+=strlen(entries[i]);
- if (i!=numentries-1) *ptr++=',';
- if (fmt) *ptr++='\n';*ptr=0;
- cJSON_free(names[i]);cJSON_free(entries[i]);
- }
-
- cJSON_free(names);cJSON_free(entries);
- if (fmt) for (i=0;i<depth-1;i++) *ptr++='\t';
- *ptr++='}';*ptr++=0;
- }
- return out;
- }
-
- /* 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 *cJSON_GetArrayItem(cJSON *array,int item) {cJSON *c=array->child; while (c && item>0) item--,c=c->next; return c;}
- cJSON *cJSON_GetObjectItem(cJSON *object,const char *string) {cJSON *c=object->child; while (c && cJSON_strcasecmp(c->string,string)) c=c->next; return c;}
-
- /* Utility for array list handling. */
- static void suffix_object(cJSON *prev,cJSON *item) {prev->next=item;item->prev=prev;}
- /* Utility for handling references. */
- static cJSON *create_reference(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;}
-
- /* 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);}}
- 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);}
- 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 (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;}
- void cJSON_DeleteItemFromArray(cJSON *array,int which) {cJSON_Delete(cJSON_DetachItemFromArray(array,which));}
- 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;}
- void cJSON_DeleteItemFromObject(cJSON *object,const char *string) {cJSON_Delete(cJSON_DetachItemFromObject(object,string));}
-
- /* 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;}
- 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;
- 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);}}
-
- /* Create basic types: */
- 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=cJSON_strdup(string);}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;}
-
- /* 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(!i)a->child=n;else suffix_object(p,n);p=n;}return a;}
- 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;}
- 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;}
- 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;}
-
- /* Duplication */
- cJSON *cJSON_Duplicate(cJSON *item,int recurse)
- {
- cJSON *newitem,*cptr,*nptr=0,*newchild;
- /* Bail on bad ptr */
- if (!item) return 0;
- /* Create new item */
- newitem=cJSON_New_Item();
- if (!newitem) return 0;
- /* Copy over all vars */
- 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;}}
- if (item->string) {newitem->string=cJSON_strdup(item->string); if (!newitem->string) {cJSON_Delete(newitem);return 0;}}
- /* If non-recursive, then we're done! */
- if (!recurse) return newitem;
- /* Walk the ->next chain for the child. */
- cptr=item->child;
- while (cptr)
- {
- newchild=cJSON_Duplicate(cptr,1); /* Duplicate (with recurse) each item in the ->next chain */
- if (!newchild) {cJSON_Delete(newitem);return 0;}
- if (nptr) {nptr->next=newchild,newchild->prev=nptr;nptr=newchild;} /* If newitem->child already set, then crosswire ->prev and ->next and move on */
- else {newitem->child=newchild;nptr=newchild;} /* Set newitem->child and move to it */
- cptr=cptr->next;
- }
- return newitem;
- }
-
- void cJSON_Minify(char *json)
- {
- char *into=json;
- while (*json)
- {
- if (*json==' ') json++;
- else if (*json=='\t') json++; /* Whitespace characters. */
- else if (*json=='\r') json++;
- else if (*json=='\n') json++;
- 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. */
- }
- *into=0; /* and null-terminate. */
- }
- chunli@Linux:~/ace/json/cJSON$
测试程序:
-
-
-
-
-
- chunli@Linux:~/ace/json/cJSON$ cat main.c
- /*
- Copyright (c) 2009 Dave Gamble
-
- 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 <stdio.h>
- #include <stdlib.h>
- #include "cJSON.h"
-
- /* Parse text to JSON, then render back to text, and print! */
- void doit(char *text)
- {
- char *out;cJSON *json;
-
- json=cJSON_Parse(text);
- if (!json) {printf("Error before: [%s]\n",cJSON_GetErrorPtr());}
- else
- {
- out=cJSON_Print(json);
- cJSON_Delete(json);
- printf("%s\n",out);
- free(out);
- }
- }
-
- /* Read a file, parse, render back, etc. */
- void dofile(char *filename)
- {
- FILE *f;long len;char *data;
-
- f=fopen(filename,"rb");fseek(f,0,SEEK_END);len=ftell(f);fseek(f,0,SEEK_SET);
- data=(char*)malloc(len+1);fread(data,1,len,f);fclose(f);
- doit(data);
- free(data);
- }
-
- /* Used by some code below as an example datatype. */
- struct record {const char *precision;double lat,lon;const char *address,*city,*state,*zip,*country; };
-
- /* Create a bunch of objects as demonstration. */
- void create_objects()
- {
- cJSON *root,*fmt,*img,*thm,*fld;char *out;int i; /* declare a few. */
- /* Our "days of the week" array: */
- const char *strings[7]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};
- /* Our matrix: */
- int numbers[3][3]={{0,-1,0},{1,0,0},{0,0,1}};
- /* Our "gallery" item: */
- int ids[4]={116,943,234,38793};
- /* Our array of "records": */
- struct record fields[2]={
- {"zip",37.7668,-1.223959e+2,"","SAN FRANCISCO","CA","94107","US"},
- {"zip",37.371991,-1.22026e+2,"","SUNNYVALE","CA","94085","US"}};
-
- /* Here we construct some JSON standards, from the JSON site. */
-
- /* Our "Video" datatype: */
- root=cJSON_CreateObject();
- cJSON_AddItemToObject(root, "name", cJSON_CreateString("Jack (\"Bee\") Nimble"));
- cJSON_AddItemToObject(root, "format", fmt=cJSON_CreateObject());
- cJSON_AddStringToObject(fmt,"type", "rect");
- cJSON_AddNumberToObject(fmt,"width", 1920);
- cJSON_AddNumberToObject(fmt,"height", 1080);
- cJSON_AddFalseToObject (fmt,"interlace");
- cJSON_AddNumberToObject(fmt,"frame rate", 24);
-
- out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out); /* Print to text, Delete the cJSON, print it, release the string. */
-
- /* Our "days of the week" array: */
- root=cJSON_CreateStringArray(strings,7);
-
- out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out);
-
- /* Our matrix: */
- root=cJSON_CreateArray();
- for (i=0;i<3;i++) cJSON_AddItemToArray(root,cJSON_CreateIntArray(numbers[i],3));
-
- /* cJSON_ReplaceItemInArray(root,1,cJSON_CreateString("Replacement")); */
-
- out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out);
-
-
- /* Our "gallery" item: */
- root=cJSON_CreateObject();
- cJSON_AddItemToObject(root, "Image", img=cJSON_CreateObject());
- cJSON_AddNumberToObject(img,"Width",800);
- cJSON_AddNumberToObject(img,"Height",600);
- cJSON_AddStringToObject(img,"Title","View from 15th Floor");
- cJSON_AddItemToObject(img, "Thumbnail", thm=cJSON_CreateObject());
- cJSON_AddStringToObject(thm, "Url", "http:/*www.example.com/p_w_picpath/481989943");
- cJSON_AddNumberToObject(thm,"Height",125);
- cJSON_AddStringToObject(thm,"Width","100");
- cJSON_AddItemToObject(img,"IDs", cJSON_CreateIntArray(ids,4));
-
- out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out);
-
- /* Our array of "records": */
-
- root=cJSON_CreateArray();
- for (i=0;i<2;i++)
- {
- cJSON_AddItemToArray(root,fld=cJSON_CreateObject());
- cJSON_AddStringToObject(fld, "precision", fields[i].precision);
- cJSON_AddNumberToObject(fld, "Latitude", fields[i].lat);
- cJSON_AddNumberToObject(fld, "Longitude", fields[i].lon);
- cJSON_AddStringToObject(fld, "Address", fields[i].address);
- cJSON_AddStringToObject(fld, "City", fields[i].city);
- cJSON_AddStringToObject(fld, "State", fields[i].state);
- cJSON_AddStringToObject(fld, "Zip", fields[i].zip);
- cJSON_AddStringToObject(fld, "Country", fields[i].country);
- }
-
- /* cJSON_ReplaceItemInObject(cJSON_GetArrayItem(root,1),"City",cJSON_CreateIntArray(ids,4)); */
-
- out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out);
-
- }
-
- int main (int argc, const char * argv[]) {
- /* a bunch of json: */
- char text1[]="{\n\"name\": \"Jack (\\\"Bee\\\") Nimble\", \n\"format\": {\"type\": \"rect\", \n\"width\": 1920, \n\"height\": 1080, \n\"interlace\": false,\"frame rate\": 24\n}\n}";
- char text2[]="[\"Sunday\", \"Monday\", \"Tuesday\", \"Wednesday\", \"Thursday\", \"Friday\", \"Saturday\"]";
- char text3[]="[\n [0, -1, 0],\n [1, 0, 0],\n [0, 0, 1]\n ]\n";
- char text4[]="{\n \"Image\": {\n \"Width\": 800,\n \"Height\": 600,\n \"Title\": \"View from 15th Floor\",\n \"Thumbnail\": {\n \"Url\": \"http:/*www.example.com/p_w_picpath/481989943\",\n \"Height\": 125,\n \"Width\": \"100\"\n },\n \"IDs\": [116, 943, 234, 38793]\n }\n }";
- char text5[]="[\n {\n \"precision\": \"zip\",\n \"Latitude\": 37.7668,\n \"Longitude\": -122.3959,\n \"Address\": \"\",\n \"City\": \"SAN FRANCISCO\",\n \"State\": \"CA\",\n \"Zip\": \"94107\",\n \"Country\": \"US\"\n },\n {\n \"precision\": \"zip\",\n \"Latitude\": 37.371991,\n \"Longitude\": -122.026020,\n \"Address\": \"\",\n \"City\": \"SUNNYVALE\",\n \"State\": \"CA\",\n \"Zip\": \"94085\",\n \"Country\": \"US\"\n }\n ]";
-
- int i = 0;
- /* Process each json textblock by parsing, then rebuilding: */
- printf("%d-----------------------------------------\n",++i);
- doit(text1); printf("%d-----------------------------------------\n",++i);
- doit(text2); printf("%d-----------------------------------------\n",++i);
- doit(text3); printf("%d-----------------------------------------\n",++i);
- doit(text4); printf("%d-----------------------------------------\n",++i);
- doit(text5); printf("%d-----------------------------------------\n",++i);
-
- /* Parse standard testfiles: */
- dofile("./tests/test1"); printf("%d-----------------------------------------\n",++i);
- dofile("./tests/test2"); printf("%d-----------------------------------------\n",++i);
- dofile("./tests/test3"); printf("%d-----------------------------------------\n",++i);
- dofile("./tests/test4"); printf("%d-----------------------------------------\n",++i);
- dofile("./tests/test5"); printf("%d-----------------------------------------\n",++i);
-
- /* Now some samplecode for building objects concisely: */
- create_objects();
-
- return 0;
- }
- chunli@Linux:~/ace/json/cJSON$
测试所用的json文本
-
- chunli@Linux:~/ace/json/cJSON$ cat tests/test1
- {
- "glossary": {
- "title": "example glossary",
- "GlossDiv": {
- "title": "S",
- "GlossList": {
- "GlossEntry": {
- "ID": "SGML",
- "SortAs": "SGML",
- "GlossTerm": "Standard Generalized Markup Language",
- "Acronym": "SGML",
- "Abbrev": "ISO 8879:1986",
- "GlossDef": {
- "para": "A meta-markup language, used to create markup languages such as DocBook.",
- "GlossSeeAlso": ["GML", "XML"]
- },
- "GlossSee": "markup"
- }
- }
- }
- }
- }
- chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$ cat tests/test2
- {"menu": {
- "id": "file",
- "value": "File",
- "popup": {
- "menuitem": [
- {"value": "New", "onclick": "CreateNewDoc()"},
- {"value": "Open", "onclick": "OpenDoc()"},
- {"value": "Close", "onclick": "CloseDoc()"}
- ]
- }
- }}
- chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$ cat tests/test3
- {"widget": {
- "debug": "on",
- "window": {
- "title": "Sample Konfabulator Widget",
- "name": "main_window",
- "width": 500,
- "height": 500
- },
- "p_w_picpath": {
- "src": "Images/Sun.png",
- "name": "sun1",
- "hOffset": 250,
- "vOffset": 250,
- "alignment": "center"
- },
- "text": {
- "data": "Click Here",
- "size": 36,
- "style": "bold",
- "name": "text1",
- "hOffset": 250,
- "vOffset": 100,
- "alignment": "center",
- "onMouseUp": "sun1.opacity = (sun1.opacity / 100) * 90;"
- }
- }} chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$ cat tests/test4
- {"web-app": {
- "servlet": [
- {
- "servlet-name": "cofaxCDS",
- "servlet-class": "org.cofax.cds.CDSServlet",
- "init-param": {
- "configGlossary:installationAt": "Philadelphia, PA",
- "configGlossary:adminEmail": "ksm@pobox.com",
- "configGlossary:poweredBy": "Cofax",
- "configGlossary:poweredByIcon": "/p_w_picpaths/cofax.gif",
- "configGlossary:staticPath": "/content/static",
- "templateProcessorClass": "org.cofax.WysiwygTemplate",
- "templateLoaderClass": "org.cofax.FilesTemplateLoader",
- "templatePath": "templates",
- "templateOverridePath": "",
- "defaultListTemplate": "listTemplate.htm",
- "defaultFileTemplate": "articleTemplate.htm",
- "useJSP": false,
- "jspListTemplate": "listTemplate.jsp",
- "jspFileTemplate": "articleTemplate.jsp",
- "cachePackageTagsTrack": 200,
- "cachePackageTagsStore": 200,
- "cachePackageTagsRefresh": 60,
- "cacheTemplatesTrack": 100,
- "cacheTemplatesStore": 50,
- "cacheTemplatesRefresh": 15,
- "cachePagesTrack": 200,
- "cachePagesStore": 100,
- "cachePagesRefresh": 10,
- "cachePagesDirtyRead": 10,
- "searchEngineListTemplate": "forSearchEnginesList.htm",
- "searchEngineFileTemplate": "forSearchEngines.htm",
- "searchEngineRobotsDb": "WEB-INF/robots.db",
- "useDataStore": true,
- "dataStoreClass": "org.cofax.SqlDataStore",
- "redirectionClass": "org.cofax.SqlRedirection",
- "dataStoreName": "cofax",
- "dataStoreDriver": "com.microsoft.jdbc.sqlserver.SQLServerDriver",
- "dataStoreUrl": "jdbc:microsoft:sqlserver://LOCALHOST:1433;DatabaseName=goon",
- "dataStoreUser": "sa",
- "dataStorePassword": "dataStoreTestQuery",
- "dataStoreTestQuery": "SET NOCOUNT ON;select test='test';",
- "dataStoreLogFile": "/usr/local/tomcat/logs/datastore.log",
- "dataStoreInitConns": 10,
- "dataStoreMaxConns": 100,
- "dataStoreConnUsageLimit": 100,
- "dataStoreLogLevel": "debug",
- "maxUrlLength": 500}},
- {
- "servlet-name": "cofaxEmail",
- "servlet-class": "org.cofax.cds.EmailServlet",
- "init-param": {
- "mailHost": "mail1",
- "mailHostOverride": "mail2"}},
- {
- "servlet-name": "cofaxAdmin",
- "servlet-class": "org.cofax.cds.AdminServlet"},
-
- {
- "servlet-name": "fileServlet",
- "servlet-class": "org.cofax.cds.FileServlet"},
- {
- "servlet-name": "cofaxTools",
- "servlet-class": "org.cofax.cms.CofaxToolsServlet",
- "init-param": {
- "templatePath": "toolstemplates/",
- "log": 1,
- "logLocation": "/usr/local/tomcat/logs/CofaxTools.log",
- "logMaxSize": "",
- "dataLog": 1,
- "dataLogLocation": "/usr/local/tomcat/logs/dataLog.log",
- "dataLogMaxSize": "",
- "removePageCache": "/content/admin/remove?cache=pages&id=",
- "removeTemplateCache": "/content/admin/remove?cache=templates&id=",
- "fileTransferFolder": "/usr/local/tomcat/webapps/content/fileTransferFolder",
- "lookInContext": 1,
- "adminGroupID": 4,
- "betaServer": true}}],
- "servlet-mapping": {
- "cofaxCDS": "/",
- "cofaxEmail": "/cofaxutil/aemail/*",
- "cofaxAdmin": "/admin/*",
- "fileServlet": "/static/*",
- "cofaxTools": "/tools/*"},
-
- "taglib": {
- "taglib-uri": "cofax.tld",
- "taglib-location": "/WEB-INF/tlds/cofax.tld"}}}chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$ cat tests/test5
- {"menu": {
- "header": "SVG Viewer",
- "items": [
- {"id": "Open"},
- {"id": "OpenNew", "label": "Open New"},
- null,
- {"id": "ZoomIn", "label": "Zoom In"},
- {"id": "ZoomOut", "label": "Zoom Out"},
- {"id": "OriginalView", "label": "Original View"},
- null,
- {"id": "Quality"},
- {"id": "Pause"},
- {"id": "Mute"},
- null,
- {"id": "Find", "label": "Find..."},
- {"id": "FindAgain", "label": "Find Again"},
- {"id": "Copy"},
- {"id": "CopyAgain", "label": "Copy Again"},
- {"id": "CopySVG", "label": "Copy SVG"},
- {"id": "ViewSVG", "label": "View SVG"},
- {"id": "ViewSource", "label": "View Source"},
- {"id": "SaveAs", "label": "Save As"},
- null,
- {"id": "Help"},
- {"id": "About", "label": "About Adobe CVG Viewer..."}
- ]
- }}
- chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$
编译运行:
-
- chunli@Linux:~/ace/json/cJSON$
- chunli@Linux:~/ace/json/cJSON$ gcc main.c cJSON.c -lm && ./a.out
- 1-----------------------------------------
- {
- "name": "Jack (\"Bee\") Nimble",
- "format": {
- "type": "rect",
- "width": 1920,
- "height": 1080,
- "interlace": false,
- "frame rate": 24
- }
- }
- 2-----------------------------------------
- ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]
- 3-----------------------------------------
- [[0, -1, 0], [1, 0, 0], [0, 0, 1]]
- 4-----------------------------------------
- {
- "Image": {
- "Width": 800,
- "Height": 600,
- "Title": "View from 15th Floor",
- "Thumbnail": {
- "Url": "http:/*www.example.com/p_w_picpath/481989943",
- "Height": 125,
- "Width": "100"
- },
- "IDs": [116, 943, 234, 38793]
- }
- }
- 5-----------------------------------------
- [{
- "precision": "zip",
- "Latitude": 37.766800,
- "Longitude": -122.395900,
- "Address": "",
- "City": "SAN FRANCISCO",
- "State": "CA",
- "Zip": "94107",
- "Country": "US"
- }, {
- "precision": "zip",
- "Latitude": 37.371991,
- "Longitude": -122.026020,
- "Address": "",
- "City": "SUNNYVALE",
- "State": "CA",
- "Zip": "94085",
- "Country": "US"
- }]
- 6-----------------------------------------
- {
- "glossary": {
- "title": "example glossary",
- "GlossDiv": {
- "title": "S",
- "GlossList": {
- "GlossEntry": {
- "ID": "SGML",
- "SortAs": "SGML",
- "GlossTerm": "Standard Generalized Markup Language",
- "Acronym": "SGML",
- "Abbrev": "ISO 8879:1986",
- "GlossDef": {
- "para": "A meta-markup language, used to create markup languages such as DocBook.",
- "GlossSeeAlso": ["GML", "XML"]
- },
- "GlossSee": "markup"
- }
- }
- }
- }
- }
- 7-----------------------------------------
- {
- "menu": {
- "id": "file",
- "value": "File",
- "popup": {
- "menuitem": [{
- "value": "New",
- "onclick": "CreateNewDoc()"
- }, {
- "value": "Open",
- "onclick": "OpenDoc()"
- }, {
- "value": "Close",
- "onclick": "CloseDoc()"
- }]
- }
- }
- }
- 8-----------------------------------------
- {
- "widget": {
- "debug": "on",
- "window": {
- "title": "Sample Konfabulator Widget",
- "name": "main_window",
- "width": 500,
- "height": 500
- },
- "p_w_picpath": {
- "src": "Images/Sun.png",
- "name": "sun1",
- "hOffset": 250,
- "vOffset": 250,
- "alignment": "center"
- },
- "text": {
- "data": "Click Here",
- "size": 36,
- "style": "bold",
- "name": "text1",
- "hOffset": 250,
- "vOffset": 100,
- "alignment": "center",
- "onMouseUp": "sun1.opacity = (sun1.opacity / 100) * 90;"
- }
- }
- }
- 9-----------------------------------------
- {
- "web-app": {
- "servlet": [{
- "servlet-name": "cofaxCDS",
- "servlet-class": "org.cofax.cds.CDSServlet",
- "init-param": {
- "configGlossary:installationAt": "Philadelphia, PA",
- "configGlossary:adminEmail": "ksm@pobox.com",
- "configGlossary:poweredBy": "Cofax",
- "configGlossary:poweredByIcon": "/p_w_picpaths/cofax.gif",
- "configGlossary:staticPath": "/content/static",
- "templateProcessorClass": "org.cofax.WysiwygTemplate",
- "templateLoaderClass": "org.cofax.FilesTemplateLoader",
- "templatePath": "templates",
- "templateOverridePath": "",
- "defaultListTemplate": "listTemplate.htm",
- "defaultFileTemplate": "articleTemplate.htm",
- "useJSP": false,
- "jspListTemplate": "listTemplate.jsp",
- "jspFileTemplate": "articleTemplate.jsp",
- "cachePackageTagsTrack": 200,
- "cachePackageTagsStore": 200,
- "cachePackageTagsRefresh": 60,
- "cacheTemplatesTrack": 100,
- "cacheTemplatesStore": 50,
- "cacheTemplatesRefresh": 15,
- "cachePagesTrack": 200,
- "cachePagesStore": 100,
- "cachePagesRefresh": 10,
- "cachePagesDirtyRead": 10,
- "searchEngineListTemplate": "forSearchEnginesList.htm",
- "searchEngineFileTemplate": "forSearchEngines.htm",
- "searchEngineRobotsDb": "WEB-INF/robots.db",
- "useDataStore": true,
- "dataStoreClass": "org.cofax.SqlDataStore",
- "redirectionClass": "org.cofax.SqlRedirection",
- "dataStoreName": "cofax",
- "dataStoreDriver": "com.microsoft.jdbc.sqlserver.SQLServerDriver",
- "dataStoreUrl": "jdbc:microsoft:sqlserver://LOCALHOST:1433;DatabaseName=goon",
- "dataStoreUser": "sa",
- "dataStorePassword": "dataStoreTestQuery",
- "dataStoreTestQuery": "SET NOCOUNT ON;select test='test';",
- "dataStoreLogFile": "/usr/local/tomcat/logs/datastore.log",
- "dataStoreInitConns": 10,
- "dataStoreMaxConns": 100,
- "dataStoreConnUsageLimit": 100,
- "dataStoreLogLevel": "debug",
- "maxUrlLength": 500
- }
- }, {
- "servlet-name": "cofaxEmail",
- "servlet-class": "org.cofax.cds.EmailServlet",
- "init-param": {
- "mailHost": "mail1",
- "mailHostOverride": "mail2"
- }
- }, {
- "servlet-name": "cofaxAdmin",
- "servlet-class": "org.cofax.cds.AdminServlet"
- }, {
- "servlet-name": "fileServlet",
- "servlet-class": "org.cofax.cds.FileServlet"
- }, {
- "servlet-name": "cofaxTools",
- "servlet-class": "org.cofax.cms.CofaxToolsServlet",
- "init-param": {
- "templatePath": "toolstemplates/",
- "log": 1,
- "logLocation": "/usr/local/tomcat/logs/CofaxTools.log",
- "logMaxSize": "",
- "dataLog": 1,
- "dataLogLocation": "/usr/local/tomcat/logs/dataLog.log",
- "dataLogMaxSize": "",
- "removePageCache": "/content/admin/remove?cache=pages&id=",
- "removeTemplateCache": "/content/admin/remove?cache=templates&id=",
- "fileTransferFolder": "/usr/local/tomcat/webapps/content/fileTransferFolder",
- "lookInContext": 1,
- "adminGroupID": 4,
- "betaServer": true
- }
- }],
- "servlet-mapping": {
- "cofaxCDS": "/",
- "cofaxEmail": "/cofaxutil/aemail/*",
- "cofaxAdmin": "/admin/*",
- "fileServlet": "/static/*",
- "cofaxTools": "/tools/*"
- },
- "taglib": {
- "taglib-uri": "cofax.tld",
- "taglib-location": "/WEB-INF/tlds/cofax.tld"
- }
- }
- }
- 10-----------------------------------------
- {
- "menu": {
- "header": "SVG Viewer",
- "items": [{
- "id": "Open"
- }, {
- "id": "OpenNew",
- "label": "Open New"
- }, null, {
- "id": "ZoomIn",
- "label": "Zoom In"
- }, {
- "id": "ZoomOut",
- "label": "Zoom Out"
- }, {
- "id": "OriginalView",
- "label": "Original View"
- }, null, {
- "id": "Quality"
- }, {
- "id": "Pause"
- }, {
- "id": "Mute"
- }, null, {
- "id": "Find",
- "label": "Find..."
- }, {
- "id": "FindAgain",
- "label": "Find Again"
- }, {
- "id": "Copy"
- }, {
- "id": "CopyAgain",
- "label": "Copy Again"
- }, {
- "id": "CopySVG",
- "label": "Copy SVG"
- }, {
- "id": "ViewSVG",
- "label": "View SVG"
- }, {
- "id": "ViewSource",
- "label": "View Source"
- }, {
- "id": "SaveAs",
- "label": "Save As"
- }, null, {
- "id": "Help"
- }, {
- "id": "About",
- "label": "About Adobe CVG Viewer..."
- }]
- }
- }
- 11-----------------------------------------
- {
- "name": "Jack (\"Bee\") Nimble",
- "format": {
- "type": "rect",
- "width": 1920,
- "height": 1080,
- "interlace": false,
- "frame rate": 24
- }
- }
- ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]
- [[0, -1, 0], [1, 0, 0], [0, 0, 1]]
- {
- "Image": {
- "Width": 800,
- "Height": 600,
- "Title": "View from 15th Floor",
- "Thumbnail": {
- "Url": "http:/*www.example.com/p_w_picpath/481989943",
- "Height": 125,
- "Width": "100"
- },
- "IDs": [116, 943, 234, 38793]
- }
- }
- [{
- "precision": "zip",
- "Latitude": 37.766800,
- "Longitude": -122.395900,
- "Address": "",
- "City": "SAN FRANCISCO",
- "State": "CA",
- "Zip": "94107",
- "Country": "US"
- }, {
- "precision": "zip",
- "Latitude": 37.371991,
- "Longitude": -122.026000,
- "Address": "",
- "City": "SUNNYVALE",
- "State": "CA",
- "Zip": "94085",
- "Country": "US"
- }]
- chunli@Linux:~/ace/json/cJSON$