AIR/tiny-json
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Create new method to get text values.

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This commit is contained in:
rafagafe 2017-04-03 10:12:11 +02:00
parent 348fd58242
commit 2fc47a5ab5
4 changed files with 22 additions and 11 deletions
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14
example-01.c
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@ -60,13 +60,12 @@ int main( void ) {
char const* firstNameVal = json_getValue( firstName );
printf( "Fist Name: %s.\n", firstNameVal );
json_t const* lastName = json_getProperty( json, "lastName" );
if ( !lastName || JSON_TEXT != json_getType( lastName ) ) {
char const* lastName = json_getPropertyValue( json, "lastName" );
if ( !lastName ) {
puts("Error, the last name property is not found.");
return EXIT_FAILURE;
}
char const* lastNameVal = json_getValue( lastName );
printf( "Last Name: %s.\n", lastNameVal );
printf( "Last Name: %s.\n", lastName );
json_t const* age = json_getProperty( json, "age" );
if ( !age || JSON_INTEGER != json_getType( age ) ) {
@ -85,11 +84,8 @@ int main( void ) {
json_t const* phone;
for( phone = json_getChild( phoneList ); phone != 0; phone = json_getSibling( phone ) ) {
if ( JSON_OBJ == json_getType( phone ) ) {
json_t const* number = json_getProperty( phone, "number" );
if ( number ) {
char const* numberVal = json_getValue( number );
printf( "Number: %s.\n", numberVal );
}
char const* phoneNumber = json_getPropertyValue( phone, "number" );
if ( phoneNumber ) printf( "Number: %s.\n", phoneNumber );
}
}

2
makefile
View File

@ -1,6 +1,6 @@
build: example-01.exe example-02.exe test.exe
build: example-01.exe example-02.exe
clean:
rm -rf *.o

7
tiny-json.c
View File

@ -36,6 +36,13 @@ json_t const* json_getProperty( json_t const* obj, char const* property ) {
return 0;
}
/* Search a property by its name in a JSON object and return its value. */
char const* json_getPropertyValue( json_t const* obj, char const* property ) {
json_t const* field = json_getProperty( obj, property );
if ( !field ) return 0;
return json_getValue( field );
}
/* Internal prototypes: */
static char* _goWhiteSpace( char* str );
static char* _goNum( char* str );

8
tiny-json.h
View File

@ -95,6 +95,14 @@ static inline json_t const* json_getSibling( json_t const* json ) {
* @retval Null pointer if not found. */
json_t const* json_getProperty( json_t const* obj, char const* property );
/** Search a property by its name in a JSON object and return its value.
* @param obj A valid handler of a json object. Its type must be JSON_OBJ.
* @param property The name of property to get.
* @retval If found a pointer to null-terminated string with the value.
* @retval Null pointer if not found. */
char const* json_getPropertyValue( json_t const* obj, char const* property );
/** Get the first property of a JSON object or array.
* @param json A valid handler of a json property.
* Its type must be JSON_OBJ or JSON_ARRAY.