FGFS-4.1/OpenSceneGraph
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Added support for pushing handling relative paths set internally in the presentation file.

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Added setting of env vars defined in presentation file.
This commit is contained in:
Robert Osfield
2009-05-08 08:34:32 +00:00
parent fafb7028f8
commit 1729648038
3 changed files with 78 additions and 19 deletions
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66
src/osgPlugins/p3d/ReaderWriterP3D.cpp
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@@ -113,7 +113,7 @@ public:
virtual ReadResult readNode(std::istream& fin, const Options* options) const;
ReadResult readNode(osgDB::XmlNode::Input& input, const osgDB::ReaderWriter::Options* options) const;
ReadResult readNode(osgDB::XmlNode::Input& input, osgDB::ReaderWriter::Options* options) const;
void parseModel(osgPresentation::SlideShowConstructor& constructor, osgDB::XmlNode*cur) const;
@@ -1394,11 +1394,15 @@ osgDB::ReaderWriter::ReadResult ReaderWriterP3DXML::readNode(const std::string&
std::string fileName = osgDB::findDataFile( file );
if (fileName.empty()) return ReadResult::FILE_NOT_FOUND;
// code for setting up the database path so that internally referenced file are searched for on relative paths.
osg::ref_ptr<osgDB::ReaderWriter::Options> local_opt = options ? static_cast<osgDB::ReaderWriter::Options*>(options->clone(osg::CopyOp::SHALLOW_COPY)) : new Options;
local_opt->getDatabasePathList().push_front(osgDB::getFilePath(fileName));
osgDB::XmlNode::Input input;
input.open(fileName);
input.readAllDataIntoBuffer();
return readNode(input, options);
return readNode(input, local_opt);
}
osgDB::ReaderWriter::ReadResult ReaderWriterP3DXML::readNode(std::istream& fin, const Options* options) const
@@ -1407,10 +1411,12 @@ osgDB::ReaderWriter::ReadResult ReaderWriterP3DXML::readNode(std::istream& fin,
input.attach(fin);
input.readAllDataIntoBuffer();
return readNode(input, options);
osg::ref_ptr<osgDB::ReaderWriter::Options> local_opt = options ? static_cast<osgDB::ReaderWriter::Options*>(options->clone(osg::CopyOp::SHALLOW_COPY)) : new Options;
return readNode(input, local_opt);
}
osgDB::ReaderWriter::ReadResult ReaderWriterP3DXML::readNode(osgDB::XmlNode::Input& input, const osgDB::ReaderWriter::Options* options) const
osgDB::ReaderWriter::ReadResult ReaderWriterP3DXML::readNode(osgDB::XmlNode::Input& input, osgDB::ReaderWriter::Options* options) const
{
bool readOnlyHoldingPage = options ? options->getOptionString()=="holding_slide" : false;
@@ -1450,12 +1456,62 @@ osgDB::ReaderWriter::ReadResult ReaderWriterP3DXML::readNode(osgDB::XmlNode::Inp
return ReadResult::FILE_NOT_HANDLED;
}
osgPresentation::SlideShowConstructor constructor;
osgPresentation::SlideShowConstructor constructor(options);
osgDB::FilePathList previousPaths = osgDB::getDataFilePathList();
bool readSlide = false;
std::string pathToPresentation;
if (options && !(options->getDatabasePathList().empty()))
{
pathToPresentation = options->getDatabasePathList().front();
}
for(osgDB::XmlNode::Children::iterator itr = root->children.begin();
itr != root->children.end();
++itr)
{
osgDB::XmlNode* cur = itr->get();
if (cur->name=="env")
{
char* str = strdup(cur->contents.c_str());
osg::notify(osg::INFO)<<"putenv("<<str<<")"<<std::endl;
putenv(str);
}
}
for(osgDB::XmlNode::Children::iterator itr = root->children.begin();
itr != root->children.end();
++itr)
{
osgDB::XmlNode* cur = itr->get();
if (cur->name == "path")
{
std::string newpath = expandEnvVarsInFileName(cur->contents);
// now check if an absolue or http path
std::string::size_type colonPos = newpath.find_first_of(':');
std::string::size_type backslashPos = newpath.find_first_of('/');
std::string::size_type forwardslashPos = newpath.find_first_of('\\');
bool relativePath = colonPos == std::string::npos &&
backslashPos != 0 &&
forwardslashPos != 0;
if (relativePath)
{
newpath = osgDB::concatPaths(pathToPresentation, newpath);
osg::notify(osg::NOTICE)<<"relative path = "<<cur->contents<<", newpath="<<newpath<<std::endl;
}
else
{
osg::notify(osg::NOTICE)<<"absolute path = "<<cur->contents<<", newpath="<<newpath<<std::endl;
}
options->getDatabasePathList().push_front(newpath);
}
}
for(osgDB::XmlNode::Children::iterator itr = root->children.begin();
itr != root->children.end();
++itr)