// Creates a File in the First Root Path.
VFS_Handle VFS_File_Create( const VFS_String& strFileName, VFS_DWORD dwFlags )
{
// Not initialized yet?
if( !IsInit() )
{
SetLastError( VFS_ERROR_NOT_INITIALIZED_YET );
return VFS_INVALID_HANDLE_VALUE;
}
// No Root Paths specified yet?
if( GetRootPaths().size() == 0 && !VFS_Util_IsAbsoluteFileName( strFileName ) )
{
SetLastError( VFS_ERROR_NO_ROOT_PATHS_DEFINED );
return VFS_INVALID_HANDLE_VALUE;
}
// Make it absolute...
VFS_String strAbsoluteFileName = ToLower( strFileName );
if( !VFS_Util_IsAbsoluteFileName( strAbsoluteFileName ) )
strAbsoluteFileName = ToLower( WithoutTrailingSeparator( GetRootPaths()[ 0 ], VFS_TRUE ) + VFS_PATH_SEPARATOR + strFileName );
// Is such a File already open? Then just resize it.
if( GetOpenFiles().find( strAbsoluteFileName ) != GetOpenFiles().end() )
{
IFile* pFile = GetOpenFiles()[ strAbsoluteFileName ];
if( !pFile->Resize( 0 ) )
return VFS_INVALID_HANDLE_VALUE;
pFile->Add();
return ( VFS_Handle )( VFS_DWORD )pFile;
}
// Try to create and return a StdIO File.
return AddAndConvert( CStdIOFile::Create( strAbsoluteFileName, dwFlags ), strAbsoluteFileName );
}
static VFS_Handle TryToOpen( const VFS_String& strFileName, VFS_DWORD dwFlags )
{
// Absolute?
if( VFS_Util_IsAbsoluteFileName( strFileName ) )
{
// Already open?
if( GetOpenFiles().find( ToLower( strFileName ) ) != GetOpenFiles().end() )
{
IFile* pFile = GetOpenFiles()[ ToLower( strFileName ) ];
pFile->Add();
return ( VFS_Handle )( VFS_DWORD )pFile;
}
// Exists a Standard File?
if( CStdIOFile::Exists( strFileName ) )
return AddAndConvert( CStdIOFile::Open( strFileName, dwFlags ), strFileName );
// Try to open an Archive File.
return AddAndConvert( CArchiveFile::Open( strFileName, dwFlags ), strFileName );
}
// For each Root Path...
for( VFS_RootPathList::iterator iter = GetRootPaths().begin(); iter != GetRootPaths().end(); iter++ )
{
VFS_String strAbsoluteFileName = ToLower( WithoutTrailingSeparator( *iter, VFS_TRUE ) + VFS_PATH_SEPARATOR + strFileName );
// Already open?
if( GetOpenFiles().find( strAbsoluteFileName ) != GetOpenFiles().end() )
{
IFile* pFile = GetOpenFiles()[ strAbsoluteFileName ];
pFile->Add();
return ( VFS_Handle )( VFS_DWORD )pFile;
}
// Exists a Standard File?
if( CStdIOFile::Exists( strAbsoluteFileName ) )
return AddAndConvert( CStdIOFile::Open( strAbsoluteFileName, dwFlags ), strAbsoluteFileName );
// Try to open an Archive File.
if( CArchiveFile::Exists( strAbsoluteFileName ) )
return AddAndConvert( CArchiveFile::Open( strAbsoluteFileName, dwFlags ), strAbsoluteFileName );
}
SetLastError( VFS_ERROR_NOT_FOUND );
return VFS_INVALID_HANDLE_VALUE;
}
