C

curl with Path Variables and Query Param Variables

See more CURL Examples

This example demonstrates using variables located in the path and query params with the {{variable_name}} syntax. C

#include <C_CkHttpCurl.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    BOOL success;
    const char *targetCurl;
    HCkHttpCurl httpCurl;
    HCkJsonObject responseJson;
    int statusCode;

    success = FALSE;

    // Variables can occur in the path and query params.  
    // Variable names are enclosed between {{ and }}

    //  curl -X GET https://httpbin.org/{{verb}}?id={id_value}}
    targetCurl = "curl -X GET https://httpbin.org/{{verb}}?id={{id_value}}";

    httpCurl = CkHttpCurl_Create();

    // Provide values for variables.
    // In this example, "verb" is a path variable, and "id_value" is a query param variable.
    CkHttpCurl_SetVar(httpCurl,"verb","get");
    CkHttpCurl_SetVar(httpCurl,"id_value","123");

    // Run the curl command.
    success = CkHttpCurl_DoYourThing(httpCurl,targetCurl);
    if (success == FALSE) {
        printf("%s\n",CkHttpCurl_lastErrorText(httpCurl));
        CkHttpCurl_Dispose(httpCurl);
        return;
    }

    responseJson = CkJsonObject_Create();
    CkJsonObject_putEmitCompact(responseJson,FALSE);

    statusCode = CkHttpCurl_getStatusCode(httpCurl);
    printf("response status code: %d\n",statusCode);

    CkHttpCurl_GetResponseJson(httpCurl,responseJson);
    printf("%s\n",CkJsonObject_emit(responseJson));

    // Output:

    // response status code: 200
    // {
    //   "args": {
    //     "id": "123"
    //   },
    //   "headers": {
    //     "Host": "httpbin.org",
    //     "X-Amzn-Trace-Id": "Root=1-69e92914-5d4136d240f2f7fe1056f126"
    //   },
    //   "origin": "222.222.222.222",
    //   "url": "https://httpbin.org/get?id=123"
    // }


    CkHttpCurl_Dispose(httpCurl);
    CkJsonObject_Dispose(responseJson);

    }