1 files changed, 86 insertions, 0 deletions
diff --git a/common/stream.cpp b/common/stream.cpp
new file mode 100644
index 0000000000..c4fdb29f09
--- /dev/null
+++ b/common/stream.cpp
@@ -0,0 +1,86 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2002-2004 The ScummVM project
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program 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
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include "stdafx.h"
+#include "common/stream.h"
+
+namespace Common {
+
+/* TODO:
+ * - The ReadStream / WriteStream should provide some error handling
+ */
+
+byte ReadStream::readByte() {
+	byte b = 0;
+	read(&b, 1);
+	return b;
+}
+
+uint16 ReadStream::readUint16LE() {
+	uint16 a = readByte();
+	uint16 b = readByte();
+	return a | (b << 8);
+}
+
+uint32 ReadStream::readUint32LE() {
+	uint32 a = readUint16LE();
+	uint32 b = readUint16LE();
+	return (b << 16) | a;
+}
+
+uint16 ReadStream::readUint16BE() {
+	uint16 b = readByte();
+	uint16 a = readByte();
+	return a | (b << 8);
+}
+
+uint32 ReadStream::readUint32BE() {
+	uint32 b = readUint16BE();
+	uint32 a = readUint16BE();
+	return (b << 16) | a;
+}
+
+
+void WriteStream::writeByte(byte value) {
+	write(&value, 1);
+}
+
+void WriteStream::writeUint16LE(uint16 value) {
+	writeByte((byte)(value & 0xff));
+	writeByte((byte)(value >> 8));
+}
+
+void WriteStream::writeUint32LE(uint32 value) {
+	writeUint16LE((uint16)(value & 0xffff));
+	writeUint16LE((uint16)(value >> 16));
+}
+
+void WriteStream::writeUint16BE(uint16 value) {
+	writeByte((byte)(value >> 8));
+	writeByte((byte)(value & 0xff));
+}
+
+void WriteStream::writeUint32BE(uint32 value) {
+	writeUint16BE((uint16)(value >> 16));
+	writeUint16BE((uint16)(value & 0xffff));
+}
+
+}	// End of namespace Common