FGFS-4.1/OpenSceneGraph
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Adding support using istream and ostream with the reader writers.

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This commit is contained in:
Robert Osfield
2003-05-26 09:27:16 +00:00
parent 063de79eb9
commit 7b657aed3a
3 changed files with 73 additions and 47 deletions
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33
src/osgPlugins/ive/ReaderWriterIVE.cpp
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@@ -1,6 +1,8 @@
#include "MatrixTransform.h"
#include "Group.h"
#include <osg/Notify>
#include <osgDB/FileNameUtils>
#include <osgDB/Registry>
@@ -17,15 +19,20 @@ class IVEReaderWriter : public ReaderWriter
return equalCaseInsensitive(extension,"ive");
}
virtual ReadResult readNode(const std::string& fileName, const Options*)
virtual ReadResult readNode(const std::string& fileName, const Options* options)
{
std::string ext = getFileExtension(fileName);
if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
std::ifstream istream(fileName.c_str(), std::ios::in | std::ios::binary);
return readNode(istream,options);
}
virtual ReadResult readNode(std::istream& fin, const Options*)
{
try{
// Create datainputstream.
std::ifstream istream(fileName.c_str(), std::ios::in | std::ios::binary);
ive::DataInputStream* in = new ive::DataInputStream(&istream);
ive::DataInputStream* in = new ive::DataInputStream(&fin);
// Which object is written first in the stream.
int id = in->peekInt();
@@ -54,12 +61,19 @@ class IVEReaderWriter : public ReaderWriter
return 0;
}
virtual WriteResult writeNode(const Node& node,const std::string& fileName, const osgDB::ReaderWriter::Options*)
virtual WriteResult writeNode(const Node& node,const std::string& fileName, const osgDB::ReaderWriter::Options* options)
{
std::ofstream fout(fileName.c_str(), std::ios::out | std::ios::binary);
WriteResult result = writeNode(node, fout, options);
fout.close();
return result;
}
virtual WriteResult writeNode(const Node& node,std::ostream& fout, const osgDB::ReaderWriter::Options*)
{
try
{
std::ofstream ostream(fileName.c_str(), std::ios::out | std::ios::binary);
ive::DataOutputStream* out = new ive::DataOutputStream(&ostream);
ive::DataOutputStream* out = new ive::DataOutputStream(&fout);
// write ive file.
if(dynamic_cast<const osg::MatrixTransform*>(&node))
const_cast<ive::MatrixTransform*>(static_cast<const ive::MatrixTransform*>(&node))->write(out);
@@ -67,13 +81,12 @@ class IVEReaderWriter : public ReaderWriter
const_cast<ive::Group*>(static_cast<const ive::Group*>(&node))->write(out);
else
std::cout<<"File must start with a MatrixTransform or Group "<<std::endl;
ostream.flush();
ostream.close();
fout.flush();
return WriteResult::FILE_SAVED;
}
catch(ive::Exception e)
{
std::cout<<"Error parsing OSG file: "<< e.getError() << std::endl;
osg::notify(osg::WARN)<<"Error parsing OSG file: "<< e.getError() << std::endl;
}
return WriteResult::FILE_NOT_HANDLED;