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