mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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156 lines
6.4 KiB
156 lines
6.4 KiB
/* |
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Copyright (c) 2009 Dave Gamble |
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Permission is hereby granted, free of charge, to any person obtaining a copy |
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of this software and associated documentation files (the "Software"), to deal |
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in the Software without restriction, including without limitation the rights |
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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copies of the Software, and to permit persons to whom the Software is |
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furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included in |
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all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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THE SOFTWARE. |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include "cJSON.h" |
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/* Parse text to JSON, then render back to text, and print! */ |
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void doit(char *text) |
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{ |
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char *out;cJSON *json; |
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json=cJSON_Parse(text); |
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if (!json) {printf("Error before: [%s]\n",cJSON_GetErrorPtr());} |
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else |
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{ |
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out=cJSON_Print(json); |
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cJSON_Delete(json); |
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printf("%s\n",out); |
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free(out); |
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} |
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} |
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/* Read a file, parse, render back, etc. */ |
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void dofile(char *filename) |
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{ |
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FILE *f=fopen(filename,"rb");fseek(f,0,SEEK_END);long len=ftell(f);fseek(f,0,SEEK_SET); |
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char *data=(char*)malloc(len+1);fread(data,1,len,f);fclose(f); |
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doit(data); |
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free(data); |
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} |
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/* Used by some code below as an example datatype. */ |
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struct record {const char *precision;double lat,lon;const char *address,*city,*state,*zip,*country; }; |
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/* Create a bunch of objects as demonstration. */ |
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void create_objects() |
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{ |
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cJSON *root,*fmt,*img,*thm,*fld;char *out;int i; /* declare a few. */ |
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/* Here we construct some JSON standards, from the JSON site. */ |
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/* Our "Video" datatype: */ |
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root=cJSON_CreateObject(); |
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cJSON_AddItemToObject(root, "name", cJSON_CreateString("Jack (\"Bee\") Nimble")); |
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cJSON_AddItemToObject(root, "format", fmt=cJSON_CreateObject()); |
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cJSON_AddStringToObject(fmt,"type", "rect"); |
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cJSON_AddNumberToObject(fmt,"width", 1920); |
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cJSON_AddNumberToObject(fmt,"height", 1080); |
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cJSON_AddFalseToObject (fmt,"interlace"); |
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cJSON_AddNumberToObject(fmt,"frame rate", 24); |
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out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out); /* Print to text, Delete the cJSON, print it, release the string. */ |
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/* Our "days of the week" array: */ |
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const char *strings[7]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"}; |
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root=cJSON_CreateStringArray(strings,7); |
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out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out); |
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/* Our matrix: */ |
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int numbers[3][3]={{0,-1,0},{1,0,0},{0,0,1}}; |
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root=cJSON_CreateArray(); |
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for (i=0;i<3;i++) cJSON_AddItemToArray(root,cJSON_CreateIntArray(numbers[i],3)); |
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/* cJSON_ReplaceItemInArray(root,1,cJSON_CreateString("Replacement")); */ |
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out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out); |
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/* Our "gallery" item: */ |
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int ids[4]={116,943,234,38793}; |
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root=cJSON_CreateObject(); |
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cJSON_AddItemToObject(root, "Image", img=cJSON_CreateObject()); |
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cJSON_AddNumberToObject(img,"Width",800); |
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cJSON_AddNumberToObject(img,"Height",600); |
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cJSON_AddStringToObject(img,"Title","View from 15th Floor"); |
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cJSON_AddItemToObject(img, "Thumbnail", thm=cJSON_CreateObject()); |
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cJSON_AddStringToObject(thm, "Url", "http:/*www.example.com/image/481989943"); |
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cJSON_AddNumberToObject(thm,"Height",125); |
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cJSON_AddStringToObject(thm,"Width","100"); |
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cJSON_AddItemToObject(img,"IDs", cJSON_CreateIntArray(ids,4)); |
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out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out); |
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/* Our array of "records": */ |
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struct record fields[2]={ |
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{"zip",37.7668,-1.223959e+2,"","SAN FRANCISCO","CA","94107","US"}, |
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{"zip",37.371991,-1.22026e+2,"","SUNNYVALE","CA","94085","US"}}; |
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root=cJSON_CreateArray(); |
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for (i=0;i<2;i++) |
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{ |
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cJSON_AddItemToArray(root,fld=cJSON_CreateObject()); |
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cJSON_AddStringToObject(fld, "precision", fields[i].precision); |
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cJSON_AddNumberToObject(fld, "Latitude", fields[i].lat); |
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cJSON_AddNumberToObject(fld, "Longitude", fields[i].lon); |
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cJSON_AddStringToObject(fld, "Address", fields[i].address); |
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cJSON_AddStringToObject(fld, "City", fields[i].city); |
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cJSON_AddStringToObject(fld, "State", fields[i].state); |
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cJSON_AddStringToObject(fld, "Zip", fields[i].zip); |
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cJSON_AddStringToObject(fld, "Country", fields[i].country); |
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} |
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/* cJSON_ReplaceItemInObject(cJSON_GetArrayItem(root,1),"City",cJSON_CreateIntArray(ids,4)); */ |
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out=cJSON_Print(root); cJSON_Delete(root); printf("%s\n",out); free(out); |
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} |
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int main (int argc, const char * argv[]) { |
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/* a bunch of json: */ |
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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}"; |
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char text2[]="[\"Sunday\", \"Monday\", \"Tuesday\", \"Wednesday\", \"Thursday\", \"Friday\", \"Saturday\"]"; |
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char text3[]="[\n [0, -1, 0],\n [1, 0, 0],\n [0, 0, 1]\n ]\n"; |
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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 }"; |
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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 ]"; |
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/* Process each json textblock by parsing, then rebuilding: */ |
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doit(text1); |
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doit(text2); |
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doit(text3); |
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doit(text4); |
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doit(text5); |
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/* Parse standard testfiles: */ |
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/* dofile("../../tests/test1"); */ |
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/* dofile("../../tests/test2"); */ |
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/* dofile("../../tests/test3"); */ |
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/* dofile("../../tests/test4"); */ |
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/* dofile("../../tests/test5"); */ |
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/* Now some samplecode for building objects concisely: */ |
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create_objects(); |
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return 0; |
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}
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