int OGRILI1DataSource::Open( const char * pszNewName,
char** papszOpenOptionsIn, int bTestOpen )
{
if (strlen(pszNewName) == 0)
{
return FALSE;
}
std::string osBasename;
std::string osModelFilename;
if( CSLFetchNameValue(papszOpenOptionsIn, "MODEL") != NULL )
{
osBasename = pszNewName;
osModelFilename = CSLFetchNameValue(papszOpenOptionsIn, "MODEL");
}
else
{
char **filenames = CSLTokenizeString2( pszNewName, ",", 0 );
int nCount = CSLCount(filenames);
if( nCount == 0 )
{
CSLDestroy(filenames);
return FALSE;
}
osBasename = filenames[0];
if( nCount > 1 )
osModelFilename = filenames[1];
CSLDestroy( filenames );
}
/* -------------------------------------------------------------------- */
/* Open the source file. */
/* -------------------------------------------------------------------- */
FILE *fp = VSIFOpen( osBasename.c_str(), "r" );
if( fp == NULL )
{
if( !bTestOpen )
CPLError( CE_Failure, CPLE_OpenFailed,
"Failed to open ILI1 file `%s'.",
pszNewName );
return FALSE;
}
/* -------------------------------------------------------------------- */
/* If we aren't sure it is ILI1, load a header chunk and check */
/* for signs it is ILI1 */
/* -------------------------------------------------------------------- */
char szHeader[1000];
if( bTestOpen )
{
int nLen = (int)VSIFRead( szHeader, 1, sizeof(szHeader), fp );
if (nLen == sizeof(szHeader))
szHeader[sizeof(szHeader)-1] = '\0';
else
szHeader[nLen] = '\0';
if( strstr(szHeader,"SCNT") == NULL )
{
VSIFClose( fp );
return FALSE;
}
}
/* -------------------------------------------------------------------- */
/* We assume now that it is ILI1. Close and instantiate a */
/* ILI1Reader on it. */
/* -------------------------------------------------------------------- */
VSIFClose( fp );
poReader = CreateILI1Reader();
if( poReader == NULL )
{
CPLError( CE_Failure, CPLE_AppDefined,
"File %s appears to be ILI1 but the ILI1 reader cannot\n"
"be instantiated, likely because Xerces support was not\n"
"configured in.",
pszNewName );
return FALSE;
}
poReader->OpenFile( osBasename.c_str() );
pszName = CPLStrdup( osBasename.c_str() );
if (osModelFilename.length() > 0 )
poReader->ReadModel( poImdReader, osModelFilename.c_str(), this );
int bResetConfigOption = FALSE;
if (EQUAL(CPLGetConfigOption("OGR_ARC_STEPSIZE", ""), ""))
{
bResetConfigOption = TRUE;
CPLSetThreadLocalConfigOption("OGR_ARC_STEPSIZE", "0.96");
}
// Parse model and read data - without surface join and area polygonizing.
poReader->ReadFeatures();
if( bResetConfigOption )
CPLSetThreadLocalConfigOption("OGR_ARC_STEPSIZE", NULL);
return TRUE;
}
int OGRILI1DataSource::Open( const char * pszNewName, int bTestOpen )
{
FILE *fp;
char szHeader[1000];
std::string osBasename, osModelFilename;
if (strlen(pszNewName) == 0)
{
return FALSE;
}
char **filenames = CSLTokenizeString2( pszNewName, ",", 0 );
osBasename = filenames[0];
if( CSLCount(filenames) > 1 )
osModelFilename = filenames[1];
CSLDestroy( filenames );
/* -------------------------------------------------------------------- */
/* Open the source file. */
/* -------------------------------------------------------------------- */
fp = VSIFOpen( osBasename.c_str(), "r" );
if( fp == NULL )
{
if( !bTestOpen )
CPLError( CE_Failure, CPLE_OpenFailed,
"Failed to open ILI1 file `%s'.",
pszNewName );
return FALSE;
}
/* -------------------------------------------------------------------- */
/* If we aren't sure it is ILI1, load a header chunk and check */
/* for signs it is ILI1 */
/* -------------------------------------------------------------------- */
if( bTestOpen )
{
int nLen = (int)VSIFRead( szHeader, 1, sizeof(szHeader), fp );
if (nLen == sizeof(szHeader))
szHeader[sizeof(szHeader)-1] = '\0';
else
szHeader[nLen] = '\0';
if( strstr(szHeader,"SCNT") == NULL )
{
VSIFClose( fp );
return FALSE;
}
}
/* -------------------------------------------------------------------- */
/* We assume now that it is ILI1. Close and instantiate a */
/* ILI1Reader on it. */
/* -------------------------------------------------------------------- */
VSIFClose( fp );
poReader = CreateILI1Reader();
if( poReader == NULL )
{
CPLError( CE_Failure, CPLE_AppDefined,
"File %s appears to be ILI1 but the ILI1 reader can't\n"
"be instantiated, likely because Xerces support wasn't\n"
"configured in.",
pszNewName );
return FALSE;
}
poReader->OpenFile( osBasename.c_str() );
pszName = CPLStrdup( osBasename.c_str() );
if (osModelFilename.length() > 0 )
poReader->ReadModel( osModelFilename.c_str() );
if( getenv( "ARC_DEGREES" ) != NULL ) {
//No better way to pass arguments to the reader (it could even be an -lco arg)
poReader->SetArcDegrees( atof( getenv("ARC_DEGREES") ) );
}
//Parse model and read data - without surface joing and polygonizing
poReader->ReadFeatures();
return TRUE;
}
