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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "gargoyle/streams.h"
#include "gargoyle/conf.h"
#include "gargoyle/events.h"
#include "gargoyle/gargoyle.h"
#include "gargoyle/windows.h"
namespace Gargoyle {
Stream::Stream(Streams *streams, bool readable, bool writable, uint32 rock, bool unicode) :
_streams(streams), _readable(readable), _writable(writable), _readCount(0),
_writeCount(0), _prev(nullptr), _next(nullptr), _rock(0) {
}
Stream::~Stream() {
_streams->removeStream(this);
}
Stream *Stream::getNext(uint32 *rock) const {
Stream *stream = _next;
if (rock)
*rock = stream ? stream->_rock : 0;
return stream;
}
void Stream::fillResult(StreamResult *result) {
if (result) {
result->_readCount = _readCount;
result->_writeCount = _writeCount;
}
}
void Stream::close(StreamResult *result) {
// Get the read/write totals
fillResult(result);
// Remove the stream
delete this;
}
/*--------------------------------------------------------------------------*/
void WindowStream::close(StreamResult *result) {
warning("cannot close window stream");
}
void WindowStream::putChar(unsigned char ch) {
if (!_writable)
return;
++_writeCount;
if (_window->line_request || _window->line_request_uni) {
if (g_conf->_safeClicks && g_vm->_events->_forceClick) {
_window->cancelLineEvent(nullptr);
g_vm->_events->_forceClick = false;
} else {
warning("putChar: window has pending line request");
}
}
_window->putChar(ch);
if (_window->_echoStream)
_window->_echoStream->putChar(ch);
}
void WindowStream::putCharUni(uint32 ch) {
if (!_writable)
return;
++_writeCount;
//TODO
}
void WindowStream::putBuffer(const unsigned char *buf, size_t len) {
if (!_writable)
return;
++_writeCount;
//TODO
}
void WindowStream::putBufferUni(const uint32 *buf, size_t len) {
if (!_writable)
return;
++_writeCount;
//TODO
}
/*--------------------------------------------------------------------------*/
MemoryStream::MemoryStream(Streams *streams, void *buf, size_t buflen, FileMode mode, uint32 rock, bool unicode) :
Stream(streams, mode != filemode_Write, mode != filemode_Read, rock, unicode),
_buf(buf), _buflen(buflen), _bufptr(buf) {
assert(_buf && _buflen);
assert(mode == filemode_Read || mode == filemode_Write || mode == filemode_ReadWrite);
if (unicode)
_bufend = (uint32 *)buf + buflen;
else
_bufend = (byte *)buf + buflen;
_bufeof = mode == filemode_Write ? _buf : _bufend;
}
void MemoryStream::putChar(unsigned char ch) {
//TODO
}
void MemoryStream::putCharUni(uint32 ch) {
//TODO
}
void MemoryStream::putBuffer(const unsigned char *buf, size_t len) {
//TODO
}
void MemoryStream::putBufferUni(const uint32 *buf, size_t len) {
//TODO
}
/*--------------------------------------------------------------------------*/
FileStream::FileStream(Streams *streams, uint32 rock, bool unicode) :
Stream(streams, true, false, rock, unicode) {
}
void FileStream::putChar(unsigned char ch) {
//TODO
}
void FileStream::putCharUni(uint32 ch) {
//TODO
}
void FileStream::putBuffer(const unsigned char *buf, size_t len) {
//TODO
}
void FileStream::putBufferUni(const uint32 *buf, size_t len) {
//TODO
}
/*--------------------------------------------------------------------------*/
Streams::Streams() : _streamList(nullptr), _currentStream(nullptr) {
}
Streams::~Streams() {
while (_streamList)
delete _streamList;
}
WindowStream *Streams::addWindowStream(Window *window) {
WindowStream *stream = new WindowStream(this, window);
addStream(stream);
return stream;
}
MemoryStream *Streams::addMemoryStream(void *buf, size_t buflen, FileMode mode, uint32 rock, bool unicode) {
MemoryStream *stream = new MemoryStream(this, buf, buflen, mode, rock, unicode);
addStream(stream);
return stream;
}
void Streams::addStream(Stream *stream) {
stream->_next = _streamList;
_streamList = stream;
if (stream->_next)
stream->_next->_prev = stream;
}
void Streams::removeStream(Stream *stream) {
Stream *prev = stream->_prev;
Stream *next = stream->_next;
if (prev)
prev->_next = next;
else
_streamList = next;
if (next)
next->_prev = prev;
// Remove the stream as the echo stream of any window
for (Windows::iterator i = g_vm->_windows->begin(); i != g_vm->_windows->end(); ++i) {
if ((*i)->_echoStream == stream)
(*i)->_echoStream = nullptr;
}
}
Stream *Streams::getFirst(uint32 *rock) {
if (rock)
*rock = _streamList ? _streamList->_rock : 0;
return _streamList;
}
} // End of namespace Gargoyle
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