/home/cube/sources/osgearth/src/osgEarthDrivers/kml/KMZArchive

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/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2008-2010 Pelican Mapping
 * http://osgearth.org
 *
 * osgEarth 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, see <http://www.gnu.org/licenses/>
 */
#ifndef OSGEARTH_DRIVER_KML_KMZ_ARCHIVE
#define OSGEARTH_DRIVER_KML_KMZ_ARCHIVE 1

#ifdef OSGEARTH_HAVE_MINIZIP
#    define SUPPORT_KMZ 1
#endif

#ifdef SUPPORT_KMZ

#include <osgDB/Archive>
#include <osgEarth/URI>
#include "unzip.h"  // minizip

using namespace osgEarth;


struct KMZArchive : public osgDB::Archive
{
    KMZArchive( const URI& archiveURI );

    virtual ~KMZArchive();

    void close();

    std::string getArchiveFileName() const;

    std::string getMasterFileName() const ;

    bool fileExists(const std::string& filename) const;

    osgDB::FileType getFileType(const std::string& filename) const;

    typedef osgDB::DirectoryContents FileNameList;

    bool getFileNames(FileNameList& fileNames) const;

    osgDB::DirectoryContents getDirectoryContents(const std::string& dirName) const;

    bool readToBuffer( const std::string& fileInZip, std::ostream& iobuf ) const;

    ReadResult readImage(const std::string& filename, const Options* options =NULL) const;

    ReadResult readNode(const std::string& filename, const Options* options =NULL) const;

    ReadResult readObject(const std::string& filename, const Options* options =NULL) const;

    // stubs
    ReadResult readShader(const std::string&, const Options* =NULL) const { return ReadResult::NOT_IMPLEMENTED; }
    ReadResult readHeightField(const std::string&, const Options* =NULL) const { return ReadResult::NOT_IMPLEMENTED; }
    WriteResult writeObject(const osg::Object&, const std::string&,const Options* =NULL) const { return WriteResult::NOT_IMPLEMENTED; }
    WriteResult writeImage(const osg::Image&, const std::string&,const Options* =NULL) const { return WriteResult::NOT_IMPLEMENTED; }
    WriteResult writeHeightField(const osg::HeightField&,const std::string&,const Options* =NULL) const { return WriteResult::NOT_IMPLEMENTED; }
    WriteResult writeNode(const osg::Node&, const std::string&,const Options* =NULL) const { return WriteResult::NOT_IMPLEMENTED; }
    WriteResult writeShader(const osg::Shader&, const std::string&, const Options* =NULL) const { return WriteResult::NOT_IMPLEMENTED; }

private:
    URI            _archiveURI;
    unzFile        _uf;
    void*          _buf;
    unsigned       _bufsize;
};


#endif // SUPPORT_KMZ

#endif // OSGEARTH_DRIVER_KML_KMZ_ARCHIVE