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86 lines
3.8 KiB
86 lines
3.8 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield |
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* |
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* This library is open source and may be redistributed and/or modified under |
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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* (at your option) any later version. The full license is in LICENSE file |
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* included with this distribution, and on the openscenegraph.org website. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* OpenSceneGraph Public License for more details. |
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*/ |
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#ifndef OSGDB_ARCHIVE |
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#define OSGDB_ARCHIVE 1 |
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#include <osgDB/ReaderWriter> |
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#include <osgDB/Registry> |
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#include <osgDB/FileUtils> |
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#include <fstream> |
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#include <list> |
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namespace osgDB { |
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/** Base class for implementing database Archives. See src/osgPlugins/osga for an example of a concrete implementation. */ |
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class OSGDB_EXPORT Archive : public ReaderWriter |
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{ |
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public: |
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Archive(); |
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virtual ~Archive(); |
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virtual const char* libraryName() const { return "osgDB"; } |
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virtual const char* className() const { return "Archive"; } |
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virtual bool acceptsExtension(const std::string& /*extension*/) const { return true; } |
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/** close the archive.*/ |
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virtual void close() = 0; |
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/** Get the file name which represents the archived file.*/ |
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virtual std::string getArchiveFileName() const = 0; |
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/** Get the file name which represents the master file recorded in the Archive.*/ |
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virtual std::string getMasterFileName() const = 0; |
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/** return true if file exists in archive.*/ |
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virtual bool fileExists(const std::string& filename) const = 0; |
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/** return type of file. */ |
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virtual FileType getFileType(const std::string& filename) const = 0; |
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typedef osgDB::DirectoryContents FileNameList; |
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/** Get the full list of file names available in the archive.*/ |
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virtual bool getFileNames(FileNameList& fileNames) const = 0; |
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/** return the contents of a directory. |
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* returns an empty array on any error.*/ |
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virtual DirectoryContents getDirectoryContents(const std::string& dirName) const; |
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virtual ReadResult readObject(const std::string& /*fileName*/,const Options* =NULL) const = 0; |
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virtual ReadResult readImage(const std::string& /*fileName*/,const Options* =NULL) const = 0; |
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virtual ReadResult readHeightField(const std::string& /*fileName*/,const Options* =NULL) const = 0; |
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virtual ReadResult readNode(const std::string& /*fileName*/,const Options* =NULL) const = 0; |
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virtual ReadResult readShader(const std::string& /*fileName*/,const Options* =NULL) const = 0; |
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virtual WriteResult writeObject(const osg::Object& /*obj*/,const std::string& /*fileName*/,const Options* =NULL) const = 0; |
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virtual WriteResult writeImage(const osg::Image& /*image*/,const std::string& /*fileName*/,const Options* =NULL) const = 0; |
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virtual WriteResult writeHeightField(const osg::HeightField& /*heightField*/,const std::string& /*fileName*/,const Options* =NULL) const = 0; |
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virtual WriteResult writeNode(const osg::Node& /*node*/,const std::string& /*fileName*/,const Options* =NULL) const = 0; |
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virtual WriteResult writeShader(const osg::Shader& /*shader*/,const std::string& /*fileName*/,const Options* =NULL) const = 0; |
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}; |
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/** Open an archive for reading or writing.*/ |
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OSGDB_EXPORT Archive* openArchive(const std::string& filename, ReaderWriter::ArchiveStatus status, unsigned int indexBlockSizeHint=4096); |
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/** Open an archive for reading or writing.*/ |
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OSGDB_EXPORT Archive* openArchive(const std::string& filename, ReaderWriter::ArchiveStatus status, unsigned int indexBlockSizeHint,Options* options); |
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} |
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#endif // OSGDB_ARCHIVE
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