From d734d6d532277836137b510cad6fc6730fb70955 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Sun, 24 Oct 2004 14:24:15 +0000
Subject: [PATCH] Added osgDB::Archive

---
 include/osgDB/Archive      | 68 ++++++++++++++++++++++++++++++++++++++
 include/osgDB/ReaderWriter |  2 +-
 2 files changed, 69 insertions(+), 1 deletion(-)
 create mode 100644 include/osgDB/Archive

diff --git a/include/osgDB/Archive b/include/osgDB/Archive
new file mode 100644
index 000000000..4af2cf536
--- /dev/null
+++ b/include/osgDB/Archive
@@ -0,0 +1,68 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield 
+ *
+ * This library is open source and may be redistributed and/or modified under  
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * OpenSceneGraph Public License for more details.
+*/
+
+#ifndef OSGDB_ARCHIVE
+#define OSGDB_ARCHIVE 1
+
+#include <osgDB/ReaderWriter>
+
+
+namespace osgDB {
+
+
+/** Base class for implementing database Archives. */
+class OSGDB_EXPORT Archive : public ReaderWriter
+{
+    public:
+        Archive();
+        virtual ~Archive(); 
+        
+        virtual const char* className() { return "Archive" };
+        virtual bool acceptsExtension(const std::string& /*extension*/) { return true; }
+
+        /** open the archive.*/
+        virtual void open(const std::string& filename) {}
+        
+        /** close the archive.*/
+        virtual void close() {}
+
+        /** return true if file exists in archive.*/        
+        virtual bool fileExists(const std::string& filename) const {}
+        
+
+        virtual ReadResult readObject(const std::string& /*fileName*/,const Options* =NULL) { return ReadResult(ReadResult::FILE_NOT_HANDLED); }
+        virtual ReadResult readImage(const std::string& /*fileName*/,const Options* =NULL) { return ReadResult(ReadResult::FILE_NOT_HANDLED); }
+        virtual ReadResult readHeightField(const std::string& /*fileName*/,const Options* =NULL) { return ReadResult(ReadResult::FILE_NOT_HANDLED); }
+        virtual ReadResult readNode(const std::string& /*fileName*/,const Options* =NULL) { return ReadResult(ReadResult::FILE_NOT_HANDLED); }
+
+        virtual WriteResult writeObject(const osg::Object& /*obj*/,const std::string& /*fileName*/,const Options* =NULL) {return WriteResult(WriteResult::FILE_NOT_HANDLED); }
+        virtual WriteResult writeImage(const osg::Image& /*image*/,const std::string& /*fileName*/,const Options* =NULL) {return WriteResult(WriteResult::FILE_NOT_HANDLED); }
+        virtual WriteResult writeHeightField(const osg::HeightField& /*heightField*/,const std::string& /*fileName*/,const Options* =NULL) {return WriteResult(WriteResult::FILE_NOT_HANDLED); }
+        virtual WriteResult writeNode(const osg::Node& /*node*/,const std::string& /*fileName*/,const Options* =NULL) { return WriteResult(WriteResult::FILE_NOT_HANDLED); }
+
+        virtual ReadResult readObject(std::istream& /*fin*/,const Options* =NULL) { return ReadResult(ReadResult::FILE_NOT_HANDLED); }
+        virtual ReadResult readImage(std::istream& /*fin*/,const Options* =NULL) { return ReadResult(ReadResult::FILE_NOT_HANDLED); }
+        virtual ReadResult readHeightField(std::istream& /*fin*/,const Options* =NULL) { return ReadResult(ReadResult::FILE_NOT_HANDLED); }
+        virtual ReadResult readNode(std::istream& /*fin*/,const Options* =NULL) { return ReadResult(ReadResult::FILE_NOT_HANDLED); }
+
+        virtual WriteResult writeObject(const osg::Object& /*obj*/,std::ostream& /*fout*/,const Options* =NULL) {return WriteResult(WriteResult::FILE_NOT_HANDLED); }
+        virtual WriteResult writeImage(const osg::Image& /*image*/,std::ostream& /*fout*/,const Options* =NULL) {return WriteResult(WriteResult::FILE_NOT_HANDLED); }
+        virtual WriteResult writeHeightField(const osg::HeightField& /*heightField*/,std::ostream& /*fout*/,const Options* =NULL) {return WriteResult(WriteResult::FILE_NOT_HANDLED); }
+        virtual WriteResult writeNode(const osg::Node& /*node*/,std::ostream& /*fout*/,const Options* =NULL) { return WriteResult(WriteResult::FILE_NOT_HANDLED); }
+
+
+};
+
+}
+
+#endif // OSGDB_ARCHIVE
diff --git a/include/osgDB/ReaderWriter b/include/osgDB/ReaderWriter
index 988599703..80525f532 100644
--- a/include/osgDB/ReaderWriter
+++ b/include/osgDB/ReaderWriter
@@ -171,4 +171,4 @@ class OSGDB_EXPORT ReaderWriter : public osg::Referenced
 
 }
 
-#endif // OSG_READERWRITER
+#endif // OSGDB_READERWRITER