irrlicht/source/Irrlicht/CTarReader.h

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// Copyright (C) 2009-2012 Gaz Davidson
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef IRR_C_TAR_READER_H_INCLUDED
#define IRR_C_TAR_READER_H_INCLUDED
#include "IrrCompileConfig.h"
#ifdef __IRR_COMPILE_WITH_TAR_ARCHIVE_LOADER_
#include "IReferenceCounted.h"
#include "IReadFile.h"
#include "irrArray.h"
#include "irrString.h"
#include "IFileSystem.h"
#include "CFileList.h"
namespace irr
{
namespace io
{
enum E_TAR_LINK_INDICATOR
{
ETLI_REGULAR_FILE_OLD = 0 ,
ETLI_REGULAR_FILE = '0',
ETLI_LINK_TO_ARCHIVED_FILE = '1', // Hard link
ETLI_SYMBOLIC_LINK = '2',
ETLI_CHAR_SPECIAL_DEVICE = '3',
ETLI_BLOCK_SPECIAL_DEVICE = '4',
ETLI_DIRECTORY = '5',
ETLI_FIFO_SPECIAL_FILE = '6',
ETLI_CONTIGUOUS_FILE = '7'
};
// byte-align structures
#include "irrpack.h"
struct STarHeader
{
c8 FileName[100];
c8 FileMode[8];
c8 UserID[8];
c8 GroupID[8];
c8 Size[12];
c8 ModifiedTime[12];
c8 Checksum[8];
c8 Link;
c8 LinkName[100];
c8 Magic[6];
c8 USTARVersion[2];
c8 UserName[32];
c8 GroupName[32];
c8 DeviceMajor[8];
c8 DeviceMinor[8];
c8 FileNamePrefix[155];
} PACK_STRUCT;
// Default alignment
#include "irrunpack.h"
//! Archiveloader capable of loading ZIP Archives
class CArchiveLoaderTAR : public IArchiveLoader
{
public:
//! Constructor
CArchiveLoaderTAR(io::IFileSystem* fs);
//! returns true if the file maybe is able to be loaded by this class
//! based on the file extension (e.g. ".tar")
virtual bool isALoadableFileFormat(const io::path& filename) const IRR_OVERRIDE;
//! Check if the file might be loaded by this class
/** Check might look into the file.
\param file File handle to check.
\return True if file seems to be loadable. */
virtual bool isALoadableFileFormat(io::IReadFile* file) const IRR_OVERRIDE;
//! Check to see if the loader can create archives of this type.
/** Check based on the archive type.
\param fileType The archive type to check.
\return True if the archile loader supports this type, false if not */
virtual bool isALoadableFileFormat(E_FILE_ARCHIVE_TYPE fileType) const IRR_OVERRIDE;
//! Creates an archive from the filename
/** \param file File handle to check.
\return Pointer to newly created archive, or 0 upon error. */
virtual IFileArchive* createArchive(const io::path& filename, bool ignoreCase, bool ignorePaths) const IRR_OVERRIDE;
//! creates/loads an archive from the file.
//! \return Pointer to the created archive. Returns 0 if loading failed.
virtual io::IFileArchive* createArchive(io::IReadFile* file, bool ignoreCase, bool ignorePaths) const IRR_OVERRIDE;
private:
io::IFileSystem* FileSystem;
};
class CTarReader : public virtual IFileArchive, virtual CFileList
{
public:
CTarReader(IReadFile* file, bool ignoreCase, bool ignorePaths);
virtual ~CTarReader();
//! opens a file by file name
virtual IReadFile* createAndOpenFile(const io::path& filename) IRR_OVERRIDE;
//! opens a file by index
virtual IReadFile* createAndOpenFile(u32 index) IRR_OVERRIDE;
//! returns the list of files
virtual const IFileList* getFileList() const IRR_OVERRIDE;
//! get the class Type
virtual E_FILE_ARCHIVE_TYPE getType() const IRR_OVERRIDE { return EFAT_TAR; }
//! return the name (id) of the file Archive
virtual const io::path& getArchiveName() const IRR_OVERRIDE {return Path;}
private:
u32 populateFileList();
IReadFile* File;
};
} // end namespace io
} // end namespace irr
#endif // __IRR_COMPILE_WITH_TAR_ARCHIVE_LOADER_
#endif // IRR_C_TAR_READER_H_INCLUDED