mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 04:34:48 +00:00
133 lines
3.9 KiB
C++
133 lines
3.9 KiB
C++
//-----------------------------------------------------------------------------
|
|
// Copyright (c) 2012 GarageGames, LLC
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to
|
|
// deal in the Software without restriction, including without limitation the
|
|
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
// sell copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
// IN THE SOFTWARE.
|
|
//-----------------------------------------------------------------------------
|
|
#ifndef _MEMVOLUME_H_
|
|
#define _MEMVOLUME_H_
|
|
|
|
#ifndef _VOLUME_H_
|
|
#include "core/volume.h"
|
|
#endif
|
|
|
|
#ifndef _TDICTIONARY_H_
|
|
#include "core/util/tDictionary.h"
|
|
#endif
|
|
|
|
namespace Torque
|
|
{
|
|
using namespace FS;
|
|
|
|
namespace Mem
|
|
{
|
|
|
|
struct MemFileData;
|
|
struct MemDirectoryData;
|
|
class MemDirectory;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
class MemFileSystem: public FileSystem
|
|
{
|
|
public:
|
|
MemFileSystem(String volume);
|
|
~MemFileSystem();
|
|
|
|
String getTypeStr() const { return "Mem"; }
|
|
|
|
FileNodeRef resolve(const Path& path);
|
|
FileNodeRef create(const Path& path,FileNode::Mode);
|
|
bool remove(const Path& path);
|
|
bool rename(const Path& from,const Path& to);
|
|
Path mapTo(const Path& path);
|
|
Path mapFrom(const Path& path);
|
|
|
|
private:
|
|
String mVolume;
|
|
MemDirectoryData* mRootDir;
|
|
|
|
MemDirectory* getParentDir(const Path& path, FileNodeRef& parentRef);
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
/// Mem stdio file access.
|
|
/// This class makes use the fopen, fread and fwrite for buffered io.
|
|
class MemFile: public File
|
|
{
|
|
public:
|
|
MemFile(MemFileSystem* fs, MemFileData* fileData);
|
|
virtual ~MemFile();
|
|
|
|
Path getName() const;
|
|
NodeStatus getStatus() const;
|
|
bool getAttributes(Attributes*);
|
|
|
|
U32 getPosition();
|
|
U32 setPosition(U32,SeekMode);
|
|
|
|
bool open(AccessMode);
|
|
bool close();
|
|
|
|
U32 read(void* dst, U32 size);
|
|
U32 write(const void* src, U32 size);
|
|
|
|
private:
|
|
U32 calculateChecksum();
|
|
|
|
MemFileSystem* mFileSystem;
|
|
MemFileData* mFileData;
|
|
NodeStatus mStatus;
|
|
U32 mCurrentPos;
|
|
|
|
bool _updateInfo();
|
|
void _updateStatus();
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class MemDirectory: public Directory
|
|
{
|
|
public:
|
|
MemDirectory(MemFileSystem* fs, MemDirectoryData* dir);
|
|
~MemDirectory();
|
|
|
|
Path getName() const;
|
|
NodeStatus getStatus() const;
|
|
bool getAttributes(Attributes*);
|
|
|
|
bool open();
|
|
bool close();
|
|
bool read(Attributes*);
|
|
|
|
private:
|
|
friend class MemFileSystem;
|
|
MemFileSystem* mFileSystem;
|
|
MemDirectoryData* mDirectoryData;
|
|
|
|
U32 calculateChecksum();
|
|
|
|
NodeStatus mStatus;
|
|
U32 mSearchIndex;
|
|
};
|
|
|
|
} // Namespace
|
|
} // Namespace
|
|
|
|
#endif
|