static DocParseErr_t initDocModel()

in source/ota.c [1838:1898]

• 51 lines of code
• 7 McCabe index (conditional complexity)

static DocParseErr_t initDocModel( JsonDocModel_t * pDocModel,
                                   const JsonDocParam_t * pBodyDef,
                                   void * contextBaseAddr,
                                   uint32_t contextSize,
                                   uint16_t numJobParams )
{
    DocParseErr_t err = DocParseErrUnknown;
    uint32_t scanIndex;

    /* Sanity check the model pointers and parameter count. Exclude the context base address and size since
     * it is technically possible to create a model that writes entirely into absolute memory locations.
     */
    if( pDocModel == NULL )
    {
        LogError( ( "Parameter check failed: pDocModel is NULL." ) );
        err = DocParseErrNullModelPointer;
    }
    else if( pBodyDef == NULL )
    {
        LogError( ( "Parameter check failed: pBodyDef is NULL." ) );
        err = DocParseErrNullBodyPointer;
    }
    else if( numJobParams > OTA_DOC_MODEL_MAX_PARAMS )
    {
        LogError( ( "Parameter check failed: "
                    "Document model has %u parameters: "
                    "Document model should have <= %u parameters.",
                    numJobParams,
                    OTA_DOC_MODEL_MAX_PARAMS ) );
        err = DocParseErrTooManyParams;
    }
    else
    {
        pDocModel->contextBase = contextBaseAddr;
        pDocModel->contextSize = contextSize;
        pDocModel->pBodyDef = pBodyDef;
        pDocModel->numModelParams = numJobParams;
        pDocModel->paramsReceivedBitmap = 0;
        pDocModel->paramsRequiredBitmap = 0;

        /* Scan the model and detect all required parameters (i.e. not optional). */
        for( scanIndex = 0; scanIndex < pDocModel->numModelParams; scanIndex++ )
        {
            if( pDocModel->pBodyDef[ scanIndex ].required == true )
            {
                /* Add parameter to the required bitmap. */
                pDocModel->paramsRequiredBitmap |= ( ( uint32_t ) 1U << scanIndex );
            }
        }

        err = DocParseErrNone;
    }

    if( err != DocParseErrNone )
    {
        LogError( ( "Failed to initialize document model: "
                    "DocParseErr_t=%d", err ) );
    }

    return err;
}