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/*
<https://github.com/rafagafe/tiny-json>
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
SPDX-License-Identifier: MIT
Copyright (c) 2016-2018 Rafa Garcia <rafagarcia77@gmail.com>.
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.
*/
/*
* In this example the JSON library is used to analyze an object that some
* properties are expected.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "tiny-json.h"
/* Parser a json string. */
int main( void ) {
char str[] = "{\n"
"\t\"firstName\": \"Bidhan\",\n"
"\t\"lastName\": \"Chatterjee\",\n"
"\t\"age\": 40,\n"
"\t\"address\": {\n"
"\t\t\"streetAddress\": \"144 J B Hazra Road\",\n"
"\t\t\"city\": \"Burdwan\",\n"
"\t\t\"state\": \"Paschimbanga\",\n"
"\t\t\"postalCode\": \"713102\"\n"
"\t},\n"
"\t\"phoneList\": [\n"
"\t\t{ \"type\": \"personal\", \"number\": \"09832209761\" },\n"
"\t\t{ \"type\": \"fax\", \"number\": \"91-342-2567692\" }\n"
"\t]\n"
"}\n";
puts( str );
json_t mem[32];
json_t const* json = json_create( str, mem, sizeof mem / sizeof *mem );
if ( !json ) {
puts("Error json create.");
return EXIT_FAILURE;
}
json_t const* firstName = json_getProperty( json, "firstName" );
if ( !firstName || JSON_TEXT != json_getType( firstName ) ) {
puts("Error, the first name property is not found.");
return EXIT_FAILURE;
}
char const* firstNameVal = json_getValue( firstName );
printf( "Fist Name: %s.\n", firstNameVal );
char const* lastName = json_getPropertyValue( json, "lastName" );
if ( !lastName ) {
puts("Error, the last name property is not found.");
return EXIT_FAILURE;
}
printf( "Last Name: %s.\n", lastName );
json_t const* age = json_getProperty( json, "age" );
if ( !age || JSON_INTEGER != json_getType( age ) ) {
puts("Error, the age property is not found.");
return EXIT_FAILURE;
}
int const ageVal = (int)json_getInteger( age );
printf( "Age: %d.\n", ageVal );
json_t const* phoneList = json_getProperty( json, "phoneList" );
if ( !phoneList || JSON_ARRAY != json_getType( phoneList ) ) {
puts("Error, the phone list property is not found.");
return EXIT_FAILURE;
}
json_t const* phone;
for( phone = json_getChild( phoneList ); phone != 0; phone = json_getSibling( phone ) ) {
if ( JSON_OBJ == json_getType( phone ) ) {
char const* phoneNumber = json_getPropertyValue( phone, "number" );
if ( phoneNumber ) printf( "Number: %s.\n", phoneNumber );
}
}
return EXIT_SUCCESS;
}