| /* |
| 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=fopen(filename,"rb");fseek(f,0,SEEK_END);long len=ftell(f);fseek(f,0,SEEK_SET); |
| char *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. */ |
| |
| /* 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: */ |
| 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)); |
| |
| /* cJSON_ReplaceItemInArray(root,1,cJSON_CreateString("Replacement")); */ |
| |
| 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_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/image/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": */ |
| 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 (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/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; |
| } |