From 469bbcf0701e1eb8a6670c23145b0da87357e178 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Sun, 25 Mar 2012 20:00:08 +0000
Subject: Code is all reorganized.  We're about ready to release.  I should
 write up a little explenation of the arrangement.

---
 src/stable/buffer.h | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/stable/buffer.h

(limited to 'src/stable/buffer.h')

diff --git a/src/stable/buffer.h b/src/stable/buffer.h
new file mode 100644
index 0000000..91ec9c2
--- /dev/null
+++ b/src/stable/buffer.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2007-2011 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_BUFFER_H
+#define BU_BUFFER_H
+
+#include "bu/filter.h"
+
+namespace Bu
+{
+	class Buffer : public Bu::Filter
+	{
+	public:
+		Buffer( Bu::Stream &rNext, int iWhat=Both, int iBufSize=4096 );
+		virtual ~Buffer();
+
+		enum
+		{
+			Write	= 1,
+			Read	= 2,
+			Both	= 3
+		};
+
+		virtual void start();
+		virtual Bu::size stop();
+
+		virtual Bu::size read( void *pBuf, Bu::size nBytes );
+		virtual Bu::size write( const void *pBuf, Bu::size nBytes );
+		using Stream::write;
+
+		Bu::size getReadFill() { return iReadBufFill; }
+		bool isWritePending() { return iWriteBufFill > 0; }
+
+		virtual void flush();
+
+		virtual bool isEos();
+
+	private:
+		void fillReadBuf();
+
+	private:
+		Bu::size sSoFar;
+		int iBufSize;
+		char *sReadBuf;
+		char *sWriteBuf;
+		int iReadBufFill;
+		int iReadPos;
+		int iWriteBufFill;
+		int iWritePos;
+		int iWhat;
+	};
+};
+
+#endif
-- 
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