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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library 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
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGDB_CALLBACKS
#define OSGDB_CALLBACKS 1
#include <osgDB/AuthenticationMap>
#include <osgDB/ReaderWriter>
#include <osgDB/FileCache>
#include <deque>
#include <list>
#include <iosfwd>
namespace osgDB {
/** list of directories to search through which searching for files. */
typedef std::deque<std::string> FilePathList;
enum CaseSensitivity
{
CASE_SENSITIVE,
CASE_INSENSITIVE
};
// forward decare
class Options;
class OSGDB_EXPORT FindFileCallback : public virtual osg::Referenced
{
public:
virtual std::string findDataFile(const std::string& filename, const Options* options, CaseSensitivity caseSensitivity);
virtual std::string findLibraryFile(const std::string& filename, const Options* options, CaseSensitivity caseSensitivity);
protected:
virtual ~FindFileCallback() {}
};
class OSGDB_EXPORT ReadFileCallback : public virtual osg::Referenced
{
public:
virtual ReaderWriter::ReadResult openArchive(const std::string& filename,ReaderWriter::ArchiveStatus status, unsigned int indexBlockSizeHint, const Options* useObjectCache);
virtual ReaderWriter::ReadResult readObject(const std::string& filename, const Options* options);
virtual ReaderWriter::ReadResult readImage(const std::string& filename, const Options* options);
virtual ReaderWriter::ReadResult readHeightField(const std::string& filename, const Options* options);
virtual ReaderWriter::ReadResult readNode(const std::string& filename, const Options* options);
virtual ReaderWriter::ReadResult readShader(const std::string& filename, const Options* options);
protected:
virtual ~ReadFileCallback() {}
};
class OSGDB_EXPORT WriteFileCallback : public virtual osg::Referenced
{
public:
virtual ReaderWriter::WriteResult writeObject(const osg::Object& obj, const std::string& fileName,const Options* options);
virtual ReaderWriter::WriteResult writeImage(const osg::Image& obj, const std::string& fileName,const Options* options);
virtual ReaderWriter::WriteResult writeHeightField(const osg::HeightField& obj, const std::string& fileName,const Options* options);
virtual ReaderWriter::WriteResult writeNode(const osg::Node& obj, const std::string& fileName,const Options* options);
virtual ReaderWriter::WriteResult writeShader(const osg::Shader& obj, const std::string& fileName,const Options* options);
protected:
virtual ~WriteFileCallback() {}
};
class OSGDB_EXPORT FileLocationCallback : public virtual osg::Referenced
{
public:
enum Location
{
LOCAL_FILE,
REMOTE_FILE
};
virtual Location fileLocation(const std::string& filename, const Options* options) = 0;
virtual bool useFileCache() const = 0;
protected:
virtual ~FileLocationCallback() {}
};
}
#endif // OSGDB_OPTIONS
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