C

JSON Iterate Members

See more JSON Examples

Demonstrates how to loop over the immediate members of a JSON object. C

#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkJsonObject json;
    const char *jsonStr;
    int numMembers;
    int i;
    const char *name;
    const char *value;
    int iValue;

    success = FALSE;

    json = CkJsonObject_Create();

    jsonStr = "{ \"id\": 1, \"name\": \"A green door\", \"tags\": [\"home\", \"green\"], \"price\": 125 }";

    success = CkJsonObject_Load(json,jsonStr);
    if (success != TRUE) {
        printf("%s\n",CkJsonObject_lastErrorText(json));
        CkJsonObject_Dispose(json);
        return;
    }

    numMembers = CkJsonObject_getSize(json);

    for (i = 0; i <= numMembers - 1; i++) {

        name = CkJsonObject_nameAt(json,i);
        value = CkJsonObject_stringAt(json,i);

        printf("%s: %s\n",name,value);

        iValue = CkJsonObject_IntAt(json,i);
        printf("%s as integer: %d\n",name,iValue);

    }

    // Note: The StringAt method returns the value as a string regardless of the type.
    // If the value is a JSON array (such as for ["home", "green"]), then the JSON encoding
    // of the entire array is returned.

    // The IntAt method returns the value as an integer.  If the value does not convert to 
    // an integer, then 0 is returned


    CkJsonObject_Dispose(json);

    }