mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-13 04:28:37 +00:00
33ef0d0a4b
svn-id: r13680
122 lines
2.6 KiB
C++
122 lines
2.6 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002-2004 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "stdafx.h"
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#include "common/stream.h"
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namespace Common {
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/* TODO:
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* - The ReadStream / WriteStream should provide some error handling
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*/
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byte ReadStream::readByte() {
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byte b = 0;
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read(&b, 1);
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return b;
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}
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uint16 ReadStream::readUint16LE() {
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uint16 a = readByte();
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uint16 b = readByte();
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return a | (b << 8);
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}
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uint32 ReadStream::readUint32LE() {
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uint32 a = readUint16LE();
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uint32 b = readUint16LE();
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return (b << 16) | a;
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}
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uint16 ReadStream::readUint16BE() {
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uint16 b = readByte();
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uint16 a = readByte();
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return a | (b << 8);
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}
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uint32 ReadStream::readUint32BE() {
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uint32 b = readUint16BE();
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uint32 a = readUint16BE();
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return (b << 16) | a;
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}
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int16 ReadStream::readSint16LE() {
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return (int16)readUint16LE();
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}
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int32 ReadStream::readSint32LE() {
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return (int32)readUint32LE();
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}
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int16 ReadStream::readSint16BE() {
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return (int16)readUint16BE();
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}
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int32 ReadStream::readSint32BE() {
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return (int32)readUint32BE();
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}
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void WriteStream::writeByte(byte value) {
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write(&value, 1);
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}
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void WriteStream::writeUint16LE(uint16 value) {
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writeByte((byte)(value & 0xff));
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writeByte((byte)(value >> 8));
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}
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void WriteStream::writeUint32LE(uint32 value) {
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writeUint16LE((uint16)(value & 0xffff));
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writeUint16LE((uint16)(value >> 16));
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}
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void WriteStream::writeUint16BE(uint16 value) {
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writeByte((byte)(value >> 8));
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writeByte((byte)(value & 0xff));
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}
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void WriteStream::writeUint32BE(uint32 value) {
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writeUint16BE((uint16)(value >> 16));
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writeUint16BE((uint16)(value & 0xffff));
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}
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void WriteStream::writeSint16LE(int16 value) {
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writeUint16LE((uint16)value);
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}
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void WriteStream::writeSint32LE(int32 value) {
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writeUint32LE((uint32)value);
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}
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void WriteStream::writeSint16BE(int16 value) {
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writeUint16BE((uint16)value);
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}
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void WriteStream::writeSint32BE(int32 value) {
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writeUint32BE((uint32)value);
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}
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} // End of namespace Common
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