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Added support of archiving into osgTerrain::DataSet and osgdem.

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This commit is contained in:
Robert Osfield
2004-11-09 14:18:29 +00:00
parent ec319e663f
commit 564869487a
6 changed files with 199 additions and 56 deletions
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151
src/osgDB/Archive.cpp
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@@ -434,29 +434,53 @@ class proxy_streambuf : public std::streambuf
}
};
ReaderWriter::ReadResult Archive::readObject(const std::string& fileName,const Options* options)
struct ArchiveReadObjectFunctor : public Archive::ReadFunctor
{
ArchiveReadObjectFunctor(const std::string& filename, const ReaderWriter::Options* options):ReadFunctor(filename,options) {}
virtual ReaderWriter::ReadResult doRead(ReaderWriter& rw, std::istream& input) const { return rw.readObject(input, _options); }
};
struct ArchiveReadImageFunctor : public Archive::ReadFunctor
{
ArchiveReadImageFunctor(const std::string& filename, const ReaderWriter::Options* options):ReadFunctor(filename,options) {}
virtual ReaderWriter::ReadResult doRead(ReaderWriter& rw, std::istream& input)const { return rw.readImage(input, _options); }
};
struct ArchiveReadHeightFieldFunctor : public Archive::ReadFunctor
{
ArchiveReadHeightFieldFunctor(const std::string& filename, const ReaderWriter::Options* options):ReadFunctor(filename,options) {}
virtual ReaderWriter::ReadResult doRead(ReaderWriter& rw, std::istream& input) const { return rw.readHeightField(input, _options); }
};
struct ArchiveReadNodeFunctor : public Archive::ReadFunctor
{
ArchiveReadNodeFunctor(const std::string& filename, const ReaderWriter::Options* options):ReadFunctor(filename,options) {}
virtual ReaderWriter::ReadResult doRead(ReaderWriter& rw, std::istream& input) const { return rw.readNode(input, _options); }
};
ReaderWriter::ReadResult Archive::read(const ReadFunctor& readFunctor)
{
if (_status!=READ)
{
osg::notify(osg::INFO)<<"Archive::readObject(obj, "<<fileName<<") failed, archive opened as read only."<<std::endl;
osg::notify(osg::INFO)<<"Archive::readObject(obj, "<<readFunctor._filename<<") failed, archive opened as read only."<<std::endl;
return ReadResult(ReadResult::FILE_NOT_HANDLED);
}
FileNamePositionMap::const_iterator itr = _indexMap.find(fileName);
FileNamePositionMap::const_iterator itr = _indexMap.find(readFunctor._filename);
if (itr==_indexMap.end())
{
osg::notify(osg::INFO)<<"Archive::readObject(obj, "<<fileName<<") failed, file not found in archive"<<std::endl;
osg::notify(osg::INFO)<<"Archive::readObject(obj, "<<readFunctor._filename<<") failed, file not found in archive"<<std::endl;
return ReadResult(ReadResult::FILE_NOT_FOUND);
}
ReaderWriter* rw = osgDB::Registry::instance()->getReaderWriterForExtension(getLowerCaseFileExtension(fileName));
ReaderWriter* rw = osgDB::Registry::instance()->getReaderWriterForExtension(getLowerCaseFileExtension(readFunctor._filename));
if (!rw)
{
osg::notify(osg::INFO)<<"Archive::readObject(obj, "<<fileName<<") failed to find appropriate plugin to write file."<<std::endl;
osg::notify(osg::INFO)<<"Archive::readObject(obj, "<<readFunctor._filename<<") failed to find appropriate plugin to write file."<<std::endl;
return ReadResult(ReadResult::FILE_NOT_HANDLED);
}
osg::notify(osg::INFO)<<"Archive::readObject(obj, "<<fileName<<")"<<std::endl;
osg::notify(osg::INFO)<<"Archive::readObject(obj, "<<readFunctor._filename<<")"<<std::endl;
_input.seekg(itr->second.first);
@@ -465,82 +489,127 @@ ReaderWriter::ReadResult Archive::readObject(const std::string& fileName,const O
proxy_streambuf mystreambuf(ins.rdbuf(),itr->second.second);
ins.rdbuf(&mystreambuf);
ReaderWriter::ReadResult result = rw->readObject(_input, options);
ReaderWriter::ReadResult result = readFunctor.doRead(*rw, _input);
ins.rdbuf(mystreambuf._streambuf);
return result;
}
ReaderWriter::ReadResult Archive::readImage(const std::string& /*fileName*/,const Options*) { return ReadResult(ReadResult::FILE_NOT_HANDLED); }
ReaderWriter::ReadResult Archive::readHeightField(const std::string& /*fileName*/,const Options*) { return ReadResult(ReadResult::FILE_NOT_HANDLED); }
ReaderWriter::ReadResult Archive::readNode(const std::string& /*fileName*/,const Options*) { return ReadResult(ReadResult::FILE_NOT_HANDLED); }
ReaderWriter::ReadResult Archive::readObject(const std::string& fileName,const Options* options)
{
return read(ArchiveReadObjectFunctor(fileName, options));
}
ReaderWriter::ReadResult Archive::readImage(const std::string& fileName,const Options* options)
{
return read(ArchiveReadImageFunctor(fileName, options));
}
ReaderWriter::ReadResult Archive::readHeightField(const std::string& fileName,const Options* options)
{
return read(ArchiveReadHeightFieldFunctor(fileName, options));
}
ReaderWriter::ReadResult Archive::readNode(const std::string& fileName,const Options* options)
{
return read(ArchiveReadNodeFunctor(fileName, options));
}
struct WriteObjectFunctor : public Archive::WriteFunctor
{
WriteObjectFunctor(const osg::Object& object, const std::string& filename, const ReaderWriter::Options* options):
WriteFunctor(filename,options),
_object(object) {}
const osg::Object& _object;
virtual ReaderWriter::WriteResult doWrite(ReaderWriter& rw, std::ostream& output) const { return rw.writeObject(_object, output, _options); }
};
ReaderWriter::WriteResult Archive::writeObject(const osg::Object& obj,const std::string& fileName,const Options* options)
struct WriteImageFunctor : public Archive::WriteFunctor
{
WriteImageFunctor(const osg::Image& object, const std::string& filename, const ReaderWriter::Options* options):
WriteFunctor(filename,options),
_object(object) {}
const osg::Image& _object;
virtual ReaderWriter::WriteResult doWrite(ReaderWriter& rw, std::ostream& output)const { return rw.writeImage(_object, output, _options); }
};
struct WriteHeightFieldFunctor : public Archive::WriteFunctor
{
WriteHeightFieldFunctor(const osg::HeightField& object, const std::string& filename, const ReaderWriter::Options* options):
WriteFunctor(filename,options),
_object(object) {}
const osg::HeightField& _object;
virtual ReaderWriter::WriteResult doWrite(ReaderWriter& rw, std::ostream& output) const { return rw.writeHeightField(_object, output, _options); }
};
struct WriteNodeFunctor : public Archive::WriteFunctor
{
WriteNodeFunctor(const osg::Node& object, const std::string& filename, const ReaderWriter::Options* options):
WriteFunctor(filename,options),
_object(object) {}
const osg::Node& _object;
virtual ReaderWriter::WriteResult doWrite(ReaderWriter& rw, std::ostream& output) const { return rw.writeNode(_object, output, _options); }
};
ReaderWriter::WriteResult Archive::write(const WriteFunctor& writeFunctor)
{
if (_status!=WRITE)
{
osg::notify(osg::NOTICE)<<"Archive::writeObject(obj, "<<fileName<<") failed, archive opened as read only."<<std::endl;
osg::notify(osg::NOTICE)<<"Archive::writeObject(obj, "<<writeFunctor._filename<<") failed, archive opened as read only."<<std::endl;
return WriteResult(WriteResult::FILE_NOT_HANDLED);
}
ReaderWriter* rw = osgDB::Registry::instance()->getReaderWriterForExtension(getLowerCaseFileExtension(fileName));
ReaderWriter* rw = osgDB::Registry::instance()->getReaderWriterForExtension(getLowerCaseFileExtension(writeFunctor._filename));
if (!rw)
{
osg::notify(osg::NOTICE)<<"Archive::writeObject(obj, "<<fileName<<") failed to find appropriate plugin to write file."<<std::endl;
osg::notify(osg::NOTICE)<<"Archive::writeObject(obj, "<<writeFunctor._filename<<") failed to find appropriate plugin to write file."<<std::endl;
return WriteResult(WriteResult::FILE_NOT_HANDLED);
}
osg::notify(osg::NOTICE)<<"Archive::writeObject(obj, "<<fileName<<")"<<std::endl;
osg::notify(osg::NOTICE)<<"Archive::writeObject(obj, "<<writeFunctor._filename<<")"<<std::endl;
// place write position at end of file.
_output.seekp(0,std::ios::end);
pos_type position = _output.tellp();
WriteResult result = rw->writeObject(obj, _output, options);
WriteResult result = writeFunctor.doWrite(*rw,_output);
pos_type final_position = _output.tellp();
size_type size = size_type(final_position-position);
if (result.success()) addFileReference(position, size, fileName);
if (result.success()) addFileReference(position, size, writeFunctor._filename);
return result;
}
ReaderWriter::WriteResult Archive::writeImage(const osg::Image& /*image*/,const std::string& fileName,const Options* /*options*/)
ReaderWriter::WriteResult Archive::writeObject(const osg::Object& obj,const std::string& fileName,const Options* options)
{
if (_status==READ)
{
osg::notify(osg::NOTICE)<<"Archive::writeImage(obj, "<<fileName<<") failed, archive opened as read only."<<std::endl;
return WriteResult(WriteResult::FILE_NOT_HANDLED);
}
osg::notify(osg::NOTICE)<<"Archive::writeImage(obj, "<<fileName<<")"<<std::endl;
return WriteResult(WriteResult::FILE_NOT_HANDLED);
osg::notify(osg::NOTICE)<<"Archive::writeObject(obj, "<<fileName<<")"<<std::endl;
return write(WriteObjectFunctor(obj, fileName, options));
}
ReaderWriter::WriteResult Archive::writeHeightField(const osg::HeightField& /*heightField*/,const std::string& fileName,const Options* /*options*/)
ReaderWriter::WriteResult Archive::writeImage(const osg::Image& image,const std::string& fileName,const Options* options)
{
if (_status!=WRITE)
{
osg::notify(osg::NOTICE)<<"Archive::writeHeightField(obj, "<<fileName<<") failed, archive opened as read only."<<std::endl;
return WriteResult(WriteResult::FILE_NOT_HANDLED);
}
osg::notify(osg::NOTICE)<<"Archive::writeHeightField(obj, "<<fileName<<")"<<std::endl;
return WriteResult(WriteResult::FILE_NOT_HANDLED);
return write(WriteImageFunctor(image, fileName, options));
}
ReaderWriter::WriteResult Archive::writeNode(const osg::Node& /*node*/,const std::string& fileName,const Options* /*options*/)
ReaderWriter::WriteResult Archive::writeHeightField(const osg::HeightField& heightField,const std::string& fileName,const Options* options)
{
return write(WriteHeightFieldFunctor(heightField, fileName, options));
}
ReaderWriter::WriteResult Archive::writeNode(const osg::Node& node,const std::string& fileName,const Options* options)
{
if (_status!=WRITE)
{
osg::notify(osg::NOTICE)<<"Archive::writeNode(obj, "<<fileName<<") failed, archive opened as read only."<<std::endl;
return WriteResult(WriteResult::FILE_NOT_HANDLED);
}
osg::notify(osg::NOTICE)<<"Archive::writeNode(obj, "<<fileName<<")"<<std::endl;
return WriteResult(WriteResult::FILE_NOT_HANDLED);
return write(WriteNodeFunctor(node, fileName, options));
}