From 0e119ec26c683bf81369eb709a6e80c13e61b782 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 1 Oct 2004 07:39:15 +0000
Subject: [PATCH] Added support for write to ostream into .osg plugin

---
 src/osgPlugins/osg/ReaderWriterOSG.cpp | 39 +++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/src/osgPlugins/osg/ReaderWriterOSG.cpp b/src/osgPlugins/osg/ReaderWriterOSG.cpp
index df0b6efb1..00ab1d258 100644
--- a/src/osgPlugins/osg/ReaderWriterOSG.cpp
+++ b/src/osgPlugins/osg/ReaderWriterOSG.cpp
@@ -22,7 +22,9 @@ class OSGReaderWriter : public ReaderWriter
             return equalCaseInsensitive(extension,"osg");
         }
 
-        virtual ReadResult readObject(const std::string& fileName, const Options* opt) { return readNode(fileName,opt); }
+        virtual ReadResult readObject(const std::string& fileName, const Options* opt) { return readNode(fileName, opt); }
+
+        virtual ReadResult readObject(std::istream& fin, const Options* opt) { return readNode(fin, opt); }
 
         virtual ReadResult readNode(const std::string& file, const Options* opt)
         {
@@ -111,6 +113,24 @@ class OSGReaderWriter : public ReaderWriter
             return WriteResult("Unable to open file for output");
         }
 
+        virtual WriteResult writeObject(const Object& obj,std::ostream& fout, const osgDB::ReaderWriter::Options* options)
+        {
+            Output foutput;
+
+	    std::ios &fios = foutput;
+	    fios.rdbuf(fout.rdbuf());
+
+            if (fout)
+            {
+                setPrecision(foutput,options);
+
+                foutput.writeObject(obj);
+                return WriteResult::FILE_SAVED;
+            }
+            return WriteResult("Unable to write to output stream");
+        }
+
+
         virtual WriteResult writeNode(const Node& node,const std::string& fileName, const osgDB::ReaderWriter::Options* options)
         {
             std::string ext = getFileExtension(fileName);
@@ -129,6 +149,23 @@ class OSGReaderWriter : public ReaderWriter
             return WriteResult("Unable to open file for output");
         }
 
+        virtual WriteResult writeNode(const Node& node,std::ostream& fout, const osgDB::ReaderWriter::Options* options)
+        {
+            Output foutput;
+
+	    std::ios &fios = foutput;
+	    fios.rdbuf(fout.rdbuf());
+
+            if (fout)
+            {
+                setPrecision(foutput,options);
+
+                foutput.writeObject(node);
+                return WriteResult::FILE_SAVED;
+            }
+            return WriteResult("Unable to write to output stream");
+        }
+
 };
 
 // now register with Registry to instantiate the above