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/* 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;
}
int16 ReadStream::readSint16LE() {
return (int16)readUint16LE();
}
int32 ReadStream::readSint32LE() {
return (int32)readUint32LE();
}
int16 ReadStream::readSint16BE() {
return (int16)readUint16BE();
}
int32 ReadStream::readSint32BE() {
return (int32)readUint32BE();
}
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));
}
void WriteStream::writeSint16LE(int16 value) {
writeUint16LE((uint16)value);
}
void WriteStream::writeSint32LE(int32 value) {
writeUint32LE((uint32)value);
}
void WriteStream::writeSint16BE(int16 value) {
writeUint16BE((uint16)value);
}
void WriteStream::writeSint32BE(int32 value) {
writeUint32BE((uint32)value);
}
} // End of namespace Common
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