C++ (Cpp) OGRHTFDataSource示例

示例#1

文件： ogrhtfdriver.cpp 项目： AbdelghaniDr/mirror

static GDALDataset *OGRHTFDriverOpen( GDALOpenInfo* poOpenInfo )

{
    if( poOpenInfo->eAccess == GA_Update ||
        poOpenInfo->fpL == NULL )
        return NULL;

    if( strncmp((const char*)poOpenInfo->pabyHeader,  "HTF HEADER", strlen("HTF HEADER")) != 0 )
        return NULL;

    OGRHTFDataSource   *poDS = new OGRHTFDataSource();

    if( !poDS->Open( poOpenInfo->pszFilename ) )
    {
        delete poDS;
        poDS = NULL;
    }

    return poDS;
}

示例#2

static GDALDataset *OGRHTFDriverOpen( GDALOpenInfo* poOpenInfo )

{
    if( poOpenInfo->eAccess == GA_Update ||
            poOpenInfo->fpL == NULL )
        return NULL;

    if( !STARTS_WITH( reinterpret_cast<char *>(poOpenInfo->pabyHeader),
                      "HTF HEADER") )
        return NULL;

    OGRHTFDataSource *poDS = new OGRHTFDataSource();

    if( !poDS->Open( poOpenInfo->pszFilename ) )
    {
        delete poDS;
        poDS = NULL;
    }

    return poDS;
}