0ad/source/lib/file/vfs/vfs_lookup.h
2009-04-18 17:51:05 +00:00

59 lines
1.8 KiB
C++

/* Copyright (C) 2009 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* look up directories/files by traversing path components.
*/
#ifndef INCLUDED_VFS_LOOKUP
#define INCLUDED_VFS_LOOKUP
#include "vfs_path.h"
class VfsFile;
class VfsDirectory;
// note: VfsDirectory pointers are non-const because they may be
// populated during the lookup.
enum VfsLookupFlags
{
// add (if they do not already exist) subdirectory components
// encountered in the path[name].
VFS_LOOKUP_ADD = 1,
// create a real directory
VFS_LOOKUP_CREATE = 2
};
/**
* Resolve a pathname.
*
* @param pathname
* @param vfsStartDirectory
* @param directory is set to the last directory component that is encountered.
* @param file is set to 0 if there is no name component, otherwise the
* corresponding file.
* @param flags see VfsLookupFlags.
* @return LibError (INFO::OK if all components in pathname exist).
*
* to allow noiseless file-existence queries, this does not raise warnings.
**/
extern LibError vfs_Lookup(const VfsPath& pathname, VfsDirectory* startDirectory, VfsDirectory*& directory, VfsFile** pfile, size_t flags = 0);
#endif // #ifndef INCLUDED_VFS_LOOKUP