C

Google Sheets - Read a Single Range

See more Google Sheets Examples

Reads the values stored in the range Sheet1!A1:B5 and returns them in the response. C

#include <C_CkJsonObject.h>
#include <C_CkHttp.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkJsonObject jsonToken;
    HCkHttp http;
    const char *jsonResponse;
    HCkJsonObject json;
    int i;
    int count_i;
    int j;
    int count_j;
    const char *range;
    const char *majorDimension;
    const char *strVal;

    success = FALSE;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example uses a previously obtained access token having permission for the 
    // Google Sheets scope.

    // In this example, Get Google Sheets OAuth2 Access Token, the access
    // token was saved to a JSON file.  This example fetches the access token from the file..
    jsonToken = CkJsonObject_Create();
    success = CkJsonObject_LoadFile(jsonToken,"qa_data/tokens/googleSheets.json");
    if (CkJsonObject_HasMember(jsonToken,"access_token") == FALSE) {
        printf("No access token found.\n");
        CkJsonObject_Dispose(jsonToken);
        return;
    }

    http = CkHttp_Create();
    CkHttp_putAuthToken(http,CkJsonObject_stringOf(jsonToken,"access_token"));
    CkHttp_putSessionLogFilename(http,"qa_output/sessionLog.txt");

    // Get the cells defined by the range A1:B5
    jsonResponse = CkHttp_quickGetStr(http,"https://sheets.googleapis.com/v4/spreadsheets/spreadsheetId/values/Sheet1!A1:B5");
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkJsonObject_Dispose(jsonToken);
        CkHttp_Dispose(http);
        return;
    }

    printf("%s\n",jsonResponse);

    json = CkJsonObject_Create();
    CkJsonObject_Load(json,jsonResponse);

    // A sample response is shown below.
    // To generate the parsing source code for a JSON response, paste
    // the JSON into this online tool: Generate JSON parsing code

    // {
    //   "range": "Sheet1!A1:B5",
    //   "majorDimension": "ROWS",
    //   "values": [
    //     [
    //       "Item",
    //       "Cost"
    //     ],
    //     [
    //       "Wheel",
    //       "$20.50"
    //     ],
    //     [
    //       "Door",
    //       "$15"
    //     ],
    //     [
    //       "Engine",
    //       "$100"
    //     ],
    //     [
    //       "Totals",
    //       "$135.50"
    //     ]
    //   ]
    // }

    range = CkJsonObject_stringOf(json,"range");
    majorDimension = CkJsonObject_stringOf(json,"majorDimension");
    i = 0;
    count_i = CkJsonObject_SizeOfArray(json,"values");
    while (i < count_i) {
        CkJsonObject_putI(json,i);
        j = 0;
        count_j = CkJsonObject_SizeOfArray(json,"values[i]");
        while (j < count_j) {
            CkJsonObject_putJ(json,j);
            strVal = CkJsonObject_stringOf(json,"values[i][j]");
            j = j + 1;
        }

        i = i + 1;
    }



    CkJsonObject_Dispose(jsonToken);
    CkHttp_Dispose(http);
    CkJsonObject_Dispose(json);

    }