mirror of https://github.com/DaveGamble/cJSON
149 lines
6.4 KiB
C
149 lines
6.4 KiB
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);
|
|
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=fopen(filename,"rb");fseek(f,0,SEEK_END);long len=ftell(f);fseek(f,0,SEEK_SET);
|
|
char *data=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.
|
|
|
|
// 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_AddItemToObject(fmt,"type", cJSON_CreateString("rect"));
|
|
cJSON_AddItemToObject(fmt,"width", cJSON_CreateNumber(1920));
|
|
cJSON_AddItemToObject(fmt,"height", cJSON_CreateNumber(1080));
|
|
cJSON_AddItemToObject(fmt,"interlace", cJSON_CreateFalse());
|
|
cJSON_AddItemToObject(fmt,"frame rate", cJSON_CreateNumber(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:
|
|
const char *strings[7]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};
|
|
root=cJSON_CreateStringArray(strings,7);
|
|
|
|
out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out);
|
|
|
|
// Our matrix:
|
|
int numbers[3][3]={{0,-1,0},{1,0,0},{0,0,1}};
|
|
root=cJSON_CreateArray();
|
|
for (i=0;i<3;i++) cJSON_AddItemToArray(root,cJSON_CreateIntArray(numbers[i],3));
|
|
|
|
out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out);
|
|
|
|
|
|
// Our "gallery" item:
|
|
int ids[4]={116,943,234,38793};
|
|
root=cJSON_CreateObject();
|
|
cJSON_AddItemToObject(root, "Image", img=cJSON_CreateObject());
|
|
cJSON_AddItemToObject(img,"Width",cJSON_CreateNumber(800));
|
|
cJSON_AddItemToObject(img,"Height",cJSON_CreateNumber(600));
|
|
cJSON_AddItemToObject(img,"Title",cJSON_CreateString("View from 15th Floor"));
|
|
cJSON_AddItemToObject(img, "Thumbnail", thm=cJSON_CreateObject());
|
|
cJSON_AddItemToObject(thm, "Url", cJSON_CreateString("http://www.example.com/image/481989943"));
|
|
cJSON_AddItemToObject(thm,"Height",cJSON_CreateNumber(125));
|
|
cJSON_AddItemToObject(thm,"Width",cJSON_CreateString("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":
|
|
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"}};
|
|
|
|
root=cJSON_CreateArray();
|
|
for (int i=0;i<2;i++)
|
|
{
|
|
cJSON_AddItemToArray(root,fld=cJSON_CreateObject());
|
|
cJSON_AddItemToObject(fld, "precision", cJSON_CreateString(fields[i].precision));
|
|
cJSON_AddItemToObject(fld, "Latitude", cJSON_CreateNumber(fields[i].lat));
|
|
cJSON_AddItemToObject(fld, "Longitude", cJSON_CreateNumber(fields[i].lon));
|
|
cJSON_AddItemToObject(fld, "Address", cJSON_CreateString(fields[i].address));
|
|
cJSON_AddItemToObject(fld, "City", cJSON_CreateString(fields[i].city));
|
|
cJSON_AddItemToObject(fld, "State", cJSON_CreateString(fields[i].state));
|
|
cJSON_AddItemToObject(fld, "Zip", cJSON_CreateString(fields[i].zip));
|
|
cJSON_AddItemToObject(fld, "Country", cJSON_CreateString(fields[i].country));
|
|
}
|
|
|
|
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/image/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 ]";
|
|
|
|
// Process each json textblock by parsing, then rebuilding:
|
|
doit(text1);
|
|
doit(text2);
|
|
doit(text3);
|
|
doit(text4);
|
|
doit(text5);
|
|
|
|
// Parse standard testfiles:
|
|
// dofile("../../tests/test1");
|
|
// dofile("../../tests/test2");
|
|
// dofile("../../tests/test3");
|
|
// dofile("../../tests/test4");
|
|
// dofile("../../tests/test5");
|
|
|
|
// Now some samplecode for building objects concisely:
|
|
create_objects();
|
|
|
|
return 0;
|
|
}
|