root/OpenSceneGraph/trunk/include/osgDB/FileCache @ 13041

Revision 13041, 3.3 kB (checked in by robert, 3 years ago)

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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSGDB_FILECACHE
15#define OSGDB_FILECACHE 1
16
17#include <osg/Node>
18
19#include <osgDB/ReaderWriter>
20#include <osgDB/DatabaseRevisions>
21
22#include <set>
23
24namespace osgDB {
25
26class OSGDB_EXPORT FileCache : public osg::Referenced
27{
28    public:
29
30        FileCache(const std::string& path);
31
32        const std::string& getFileCachePath() const { return _fileCachePath; }
33
34        virtual bool isFileAppropriateForFileCache(const std::string& originalFileName) const;
35
36        virtual std::string createCacheFileName(const std::string& originalFileName) const;
37
38        virtual bool existsInCache(const std::string& originalFileName) const;
39
40        virtual ReaderWriter::ReadResult readImage(const std::string& originalFileName, const osgDB::Options* options) const;
41        virtual ReaderWriter::WriteResult writeImage(const osg::Image& image, const std::string& originalFileName, const osgDB::Options* options) const;
42
43        virtual ReaderWriter::ReadResult readObject(const std::string& originalFileName, const osgDB::Options* options) const;
44        virtual ReaderWriter::WriteResult writeObject(const osg::Object& object, const std::string& originalFileName, const osgDB::Options* options) const;
45
46        virtual ReaderWriter::ReadResult readHeightField(const std::string& originalFileName, const osgDB::Options* options) const;
47        virtual ReaderWriter::WriteResult writeHeightField(const osg::HeightField& hf, const std::string& originalFileName, const osgDB::Options* options) const;
48
49        virtual ReaderWriter::ReadResult readNode(const std::string& originalFileName, const osgDB::Options* options, bool buildKdTreeIfRequired=true) const;
50        virtual ReaderWriter::WriteResult writeNode(const osg::Node& node, const std::string& originalFileName, const osgDB::Options* options) const;
51
52        virtual ReaderWriter::ReadResult readShader(const std::string& originalFileName, const osgDB::Options* options) const;
53        virtual ReaderWriter::WriteResult writeShader(const osg::Shader& shader, const std::string& originalFileName, const osgDB::Options* options) const;
54
55        bool loadDatabaseRevisionsForFile(const std::string& originanlFileName);
56
57        typedef std::list< osg::ref_ptr<DatabaseRevisions> > DatabaseRevisionsList;
58        DatabaseRevisionsList& getDatabaseRevisionsList() { return _databaseRevisionsList; }
59
60        bool isCachedFileBlackListed(const std::string& originalFileName) const;
61
62    protected:
63
64        virtual ~FileCache();
65
66        std::string _fileCachePath;
67
68        DatabaseRevisionsList _databaseRevisionsList;
69
70        FileList* readFileList(const std::string& originalFileName) const;
71        bool removeFileFromBlackListed(const std::string& originalFileName) const;
72
73};
74
75}
76
77#endif
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