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Refactored the Registry::ReadFileCallback, WriteFileCallback and ReaderWriter::Options to they are now defined in their own header and in the osgDB namespace.

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Introduced a new FindFileCallback to Registry to compliement the existing ReadFileCallback and WriteFileCallback.

Added support for assign Find, Read and WriteFileCallbacks to osdDB::Options to enable plugins/applications to override the callbacks just for that
read/write call and any nested file operations
This commit is contained in:
Robert Osfield
2009-05-09 08:49:27 +00:00
parent a4ff2c4af7
commit b7b065abe3
43 changed files with 1180 additions and 825 deletions
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11
src/osgPlugins/p3d/ReaderWriterP3D.cpp
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@@ -1405,6 +1405,15 @@ osgDB::ReaderWriter::ReadResult ReaderWriterP3DXML::readNode(const std::string&
return readNode(input, local_opt);
}
struct MyFindFileCallback : public osgDB::FindFileCallback
{
virtual std::string findDataFile(const std::string& filename, const osgDB::Options* options, osgDB::CaseSensitivity caseSensitivity)
{
osg::notify(osg::NOTICE)<<"find file "<<filename<<std::endl;
return osgDB::Registry::instance()->findDataFileImplementation(filename, options, caseSensitivity);
}
};
osgDB::ReaderWriter::ReadResult ReaderWriterP3DXML::readNode(std::istream& fin, const Options* options) const
{
osgDB::XmlNode::Input input;
@@ -1412,6 +1421,7 @@ osgDB::ReaderWriter::ReadResult ReaderWriterP3DXML::readNode(std::istream& fin,
input.readAllDataIntoBuffer();
osg::ref_ptr<osgDB::ReaderWriter::Options> local_opt = options ? static_cast<osgDB::ReaderWriter::Options*>(options->clone(osg::CopyOp::SHALLOW_COPY)) : new Options;
local_opt->setFindFileCallback(new MyFindFileCallback);
return readNode(input, local_opt);
}
@@ -1429,6 +1439,7 @@ osgDB::ReaderWriter::ReadResult ReaderWriterP3DXML::readNode(osgDB::XmlNode::Inp
doc->read(input);
// doc->write(std::cout);
if (doc == NULL )