// Copyright (C) 2009-2011 Gaz Davidson // This file is part of the "Irrlicht Engine". // For conditions of distribution and use, see copyright notice in irrlicht.h #ifndef __C_TAR_READER_H_INCLUDED__ #define __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 { #if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__) # pragma pack( push, packing ) # pragma pack( 1 ) # define PACK_STRUCT #elif defined( __GNUC__ ) # define PACK_STRUCT __attribute__((packed)) #else # error compiler not supported #endif 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' }; 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 #if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__) # pragma pack( pop, packing ) #endif #undef PACK_STRUCT //! 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; //! 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; //! 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; //! 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; //! 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; 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); //! opens a file by index virtual IReadFile* createAndOpenFile(u32 index); //! returns the list of files virtual const IFileList* getFileList() const; //! get the class Type virtual E_FILE_ARCHIVE_TYPE getType() const { return EFAT_TAR; } private: u32 populateFileList(); IReadFile* File; }; } // end namespace io } // end namespace irr #endif // __IRR_COMPILE_WITH_TAR_ARCHIVE_LOADER_ #endif // __C_TAR_READER_H_INCLUDED__
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