From d44ece9babc5d70e1194a29a54b72dae1fe70ceb Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Thu, 22 Sep 2016 09:48:01 -0600
Subject: Included the experimental TeeStream.

This allows you to write data to multiple streams simultaneously and
easily.  It's pretty much complete, but it feels like it could use
more...features somehow.
---
 src/unstable/teestream.cpp | 117 +++++++++++++++++++++++++++++++++++++++++++++
 src/unstable/teestream.h   |  65 +++++++++++++++++++++++++
 2 files changed, 182 insertions(+)
 create mode 100644 src/unstable/teestream.cpp
 create mode 100644 src/unstable/teestream.h

diff --git a/src/unstable/teestream.cpp b/src/unstable/teestream.cpp
new file mode 100644
index 0000000..52802ef
--- /dev/null
+++ b/src/unstable/teestream.cpp
@@ -0,0 +1,117 @@
+/*
+ Bu::TeeStream::* Copyright (C) 2007-2014 Xagasoft, All rights reserved.
+ Bu::TeeStream::*
+ Bu::TeeStream::* This file is part of the libbu++ library and is released under the
+ Bu::TeeStream::* terms of the license contained in the file LICENSE.
+ Bu::TeeStream::*/
+
+#include "bu/teestream.h"
+
+Bu::TeeStream::TeeStream()
+{
+}
+
+Bu::TeeStream::~TeeStream()
+{
+}
+
+void Bu::TeeStream::addStream( Bu::Stream &rStream )
+{
+    lStream.append( StreamWrapper( rStream ) );
+}
+
+#define delegate \
+    for( StreamRefList::iterator i = lStream.begin(); i; i++ ) \
+        (*i).rStream
+
+void Bu::TeeStream::close()
+{
+    delegate.close();
+}
+
+Bu::size Bu::TeeStream::tell()
+{
+    return 0;
+}
+
+void Bu::TeeStream::seek( Bu::size )
+{
+}
+
+void Bu::TeeStream::setPos( Bu::size )
+{
+}
+
+void Bu::TeeStream::setPosEnd( Bu::size )
+{
+}
+
+bool Bu::TeeStream::isEos()
+{
+    return false;
+}
+
+bool Bu::TeeStream::isOpen()
+{
+    return true;
+}
+
+void Bu::TeeStream::flush()
+{
+    delegate.flush();
+}
+
+bool Bu::TeeStream::canRead()
+{
+    return false;
+}
+
+bool Bu::TeeStream::canWrite()
+{
+    return true;
+}
+
+bool Bu::TeeStream::isReadable()
+{
+    return false;
+}
+
+bool Bu::TeeStream::isWritable()
+{
+    return true;
+}
+
+bool Bu::TeeStream::isSeekable()
+{
+    return false;
+}
+
+bool Bu::TeeStream::isBlocking()
+{
+    return true;
+}
+
+void Bu::TeeStream::setBlocking( bool bBlocking )
+{
+    delegate.setBlocking( bBlocking );
+}
+
+void Bu::TeeStream::setSize( Bu::size )
+{
+}
+
+Bu::size Bu::TeeStream::getSize() const
+{
+    return 0;
+}
+
+Bu::size Bu::TeeStream::getBlockSize() const
+{
+    return 0;
+}
+
+Bu::String Bu::TeeStream::getLocation() const
+{
+    return "Invalid";
+}
+
diff --git a/src/unstable/teestream.h b/src/unstable/teestream.h
new file mode 100644
index 0000000..f7287f1
--- /dev/null
+++ b/src/unstable/teestream.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2007-2014 Xagasoft, All rights reserved.
+ *
+ * This file is part of the libbu++ library and is released under the
+ * terms of the license contained in the file LICENSE.
+ */
+
+#ifndef BU_TEE_STREAM_H
+#define BU_TEE_STREAM_H
+
+#include "bu/filter.h"
+
+namespace Bu
+{
+    class TeeStream : public Bu::Stream
+    {
+    public:
+        TeeStream();
+        virtual ~TeeStream();
+
+        void addStream( Bu::Stream &rStream );
+
+        virtual void close();
+        virtual Bu::size tell();
+        virtual void seek( Bu::size offset );
+        virtual void setPos( Bu::size pos );
+        virtual void setPosEnd( Bu::size pos );
+        virtual bool isEos();
+        virtual bool isOpen();
+
+        virtual void flush();
+
+        virtual bool canRead();
+        virtual bool canWrite();
+
+        virtual bool isReadable();
+        virtual bool isWritable();
+        virtual bool isSeekable();
+
+        virtual bool isBlocking();
+        virtual void setBlocking( bool bBlocking=true );
+
+        /**
+         * Most filters won't re-implement this, it doesn't make a lot of sense
+         * for filters, in general.
+         */
+        virtual void setSize( Bu::size iSize );
+
+        virtual size getSize() const;
+        virtual size getBlockSize() const;
+        virtual Bu::String getLocation() const;
+
+    private:
+        class StreamWrapper
+        {
+        public:
+            StreamWrapper( Bu::Stream &r ) : rStream( r ) { }
+            Bu::Stream &rStream;
+        };
+        typedef Bu::List<StreamWrapper> StreamRefList;
+        StreamRefList lStream;
+    };
+}
+
+#endif
-- 
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