From 255bd27d4e26d2e5cef9ad4d57bb9c18bc986c67 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Thu, 16 Feb 2012 03:35:41 +0000
Subject: Added MemBuf docs and a new readAll function to the base stream
 class.

More helpers never really hurt.
---
 src/membuf.h   |  7 ++++++-
 src/stream.cpp | 16 ++++++++++++++++
 src/stream.h   | 10 ++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/membuf.h b/src/membuf.h
index d98a29c..544dc83 100644
--- a/src/membuf.h
+++ b/src/membuf.h
@@ -17,7 +17,12 @@
 namespace Bu
 {
 	/**
-	 * A memory buffer stream.
+	 * A memory buffer stream.  This provides a read/write stream in memory that
+	 * works exactly like a file stream...only in memory.  You can seed the
+	 * memory buffer with a Bu::String of your own, or start with an empty one.
+	 * Due to Bu::String using Bu::SharedCore starting with a string will not
+	 * necesarilly cause the MemBuf to make a copy of your memory, but if you're
+	 * sure you're not going to need to change the stream then use StaticMemBuf.
 	 *@ingroup Streams
 	 */
 	class MemBuf : public Stream
diff --git a/src/stream.cpp b/src/stream.cpp
index 028166e..58641cc 100644
--- a/src/stream.cpp
+++ b/src/stream.cpp
@@ -30,6 +30,22 @@ Bu::String Bu::Stream::readLine()
 	}
 }
 
+Bu::String Bu::Stream::readAll()
+{
+	Bu::String sRet;
+	char buf[4096];
+
+	while( !isEos() )
+	{
+		int iRead = read( buf, 4096 );
+		if( iRead == 0 )
+			return sRet;
+		sRet.append( buf, iRead );
+	}
+
+	return sRet;
+}
+
 Bu::size Bu::Stream::write( const Bu::String &sBuf )
 {
 	return write( sBuf.getStr(), sBuf.getSize() );
diff --git a/src/stream.h b/src/stream.h
index fb70f21..b35f6ee 100644
--- a/src/stream.h
+++ b/src/stream.h
@@ -55,6 +55,16 @@ namespace Bu
 		 */
 		virtual Bu::String readLine();
 
+		/**
+		 * Reads all data from the current position onward until isEos returns
+		 * true and returns it as a Bu::String.  This will also return if no
+		 * data is available and the stream is in non-blocking mode.  This
+		 * function is intended for very particular circumstances and is often
+		 * not the most efficient way to access the data that you would like.
+		 *@returns The entire stream contents.
+		 */
+		virtual Bu::String readAll();
+
 		/**
 		 * Write data to the stream.
 		 *@param pBuf (const void *) The data to be written.
-- 
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