/*!
\param info Object with information about the dataset to open.
\return Pointer to newly allocated GDALDataset or 0.
Returns 0 if the file could not be opened.
*/
GDALDataset* PCRasterDataset::open(
GDALOpenInfo* info)
{
PCRasterDataset* dataset = 0;
if(info->fpL && info->nHeaderBytes >= static_cast<int>(CSF_SIZE_SIG) &&
strncmp((char*)info->pabyHeader, CSF_SIG, CSF_SIZE_SIG) == 0) {
MOPEN_PERM mode = info->eAccess == GA_Update
? M_READ_WRITE
: M_READ;
MAP* map = mapOpen(info->pszFilename, mode);
if(map) {
dataset = new PCRasterDataset(map);
}
}
/* -------------------------------------------------------------------- */
/* Initialize any PAM information and overviews. */
/* -------------------------------------------------------------------- */
if( dataset )
{
dataset->SetDescription( info->pszFilename );
dataset->TryLoadXML();
dataset->oOvManager.Initialize( dataset, info->pszFilename );
}
return dataset;
}
/*!
\param info Object with information about the dataset to open.
\return Pointer to newly allocated GDALDataset or 0.
Returns a nullptr if the file could not be opened.
*/
GDALDataset* PCRasterDataset::open(
GDALOpenInfo* info)
{
PCRasterDataset* dataset = NULL;
if(info->fpL && info->nHeaderBytes >= static_cast<int>(CSF_SIZE_SIG) &&
strncmp(reinterpret_cast<char*>( info->pabyHeader ), CSF_SIG, CSF_SIZE_SIG) == 0) {
MOPEN_PERM mode = info->eAccess == GA_Update
? M_READ_WRITE
: M_READ;
MAP* map = mapOpen(info->pszFilename, mode);
if(map) {
CPLErrorReset();
dataset = new PCRasterDataset(map);
if( CPLGetLastErrorType() != CE_None )
{
delete dataset;
return NULL;
}
}
}
/* -------------------------------------------------------------------- */
/* Initialize any PAM information and overviews. */
/* -------------------------------------------------------------------- */
if( dataset )
{
dataset->SetDescription( info->pszFilename );
dataset->TryLoadXML();
dataset->oOvManager.Initialize( dataset, info->pszFilename );
}
return dataset;
}
