/* ----------------------------------------------------------------------------- This source file is part of OGRE (Object-oriented Graphics Rendering Engine) For the latest info, see http://www.ogre3d.org/ Copyright (c) 2000-2005 The OGRE Team Also see acknowledgements in Readme.html This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA, or go to http://www.gnu.org/copyleft/lesser.txt. ----------------------------------------------------------------------------- */ #ifndef _Archive_H__ #define _Archive_H__ #include "OgrePrerequisites.h" #include "OgreString.h" #include "OgreDataStream.h" #include "OgreSharedPtr.h" #include "OgreStringVector.h" namespace Ogre { /** Information about a file/directory within the archive will be returned using a FileInfo struct. @see Archive */ struct FileInfo { /// The archive in which the file has been found (for info when performing /// multi-Archive searches, note you should still open through ResourceGroupManager) Archive* archive; /// The file's fully qualified name String filename; /// Path name; separated by '/' and ending with '/' String path; /// Base filename String basename; /// Compressed size size_t compressedSize; /// Uncompressed size size_t uncompressedSize; }; typedef std::vector FileInfoList; typedef SharedPtr FileInfoListPtr; /** Archive-handling class. @remarks An archive is a generic term for a container of files. This may be a filesystem folder, it may be a compressed archive, it may even be a remote location shared on the web. This class is designed to be subclassed to provide access to a range of file locations. @par Instances of this class are never constructed or even handled by end-user applications. They are constructed by custom ArchiveFactory classes, which plugins can register new instances of using ArchiveManager. End-user applications will typically use ResourceManager or ResourceGroupManager to manage resources at a higher level, rather than reading files directly through this class. Doing it this way allows you to benefit from OGRE's automatic searching of multiple file locations for the resources you are looking for. */ class _OgreExport Archive { protected: /// Archive name String mName; /// Archive type code String mType; public: /** Constructor - don't call direct, used by ArchiveFactory. */ Archive( const String& name, const String& archType ) : mName(name), mType(archType) {} /** Default destructor. */ virtual ~Archive() {} /// Get the name of this archive const String& getName(void) const { return mName; } /// Returns whether this archive is case sensitive in the way it matches files virtual bool isCaseSensitive(void) const = 0; /** Loads the archive. @remarks This initializes all the internal data of the class. @warning Do not call this function directly, it is ment to be used only by the ArchiveManager class. */ virtual void load() = 0; /** Unloads the archive. @warning Do not call this function directly, it is ment to be used only by the ArchiveManager class. */ virtual void unload() = 0; /** Open a stream on a given file. @note There is no equivalent 'close' method; the returned stream controls the lifecycle of this file operation. @param filename The fully qualified name of the file @returns A shared pointer to a DataStream which can be used to read / write the file. If the file is not present, returns a null shared pointer. */ virtual DataStreamPtr open(const String& filename) const = 0; /** List all file names in the archive. @note This method only returns filenames, you can also retrieve other information using listFileInfo. @param recursive Whether all paths of the archive are searched (if the archive has a concept of that) @returns A list of filenames matching the criteria, all are fully qualified */ virtual StringVectorPtr list(bool recursive = true ) = 0; /** List all files in the archive with accompanying information. @param recursive Whether all paths of the archive are searched (if the archive has a concept of that) @returns A list of structures detailing quite a lot of information about all the files in the archive. */ virtual FileInfoListPtr listFileInfo(bool recursive = true ) = 0; /** Find all file names matching a given pattern in this archive. @note This method only returns filenames, you can also retrieve other information using findFileInfo. @param pattern The pattern to search for; wildcards (*) are allowed @param recursive Whether all paths of the archive are searched (if the archive has a concept of that) @returns A list of filenames matching the criteria, all are fully qualified */ virtual StringVectorPtr find(const String& pattern, bool recursive = true) = 0; /** Find out if the named file exists (note: fully qualified filename required) */ virtual bool exists(const String& filename) = 0; /** Find all files matching a given pattern in this archive and get some detailed information about them. @param pattern The pattern to search for; wildcards (*) are allowed @param recursive Whether all paths of the archive are searched (if the archive has a concept of that) @returns A list of file information structures for all files matching the criteria. */ virtual FileInfoListPtr findFileInfo(const String& pattern, bool recursive = true) = 0; /// Return the type code of this Archive const String& getType(void) const { return mType; } }; } #endif