scummvm/engines/ags/engine/debugging/filebasedagsdebugger.cpp
2021-02-06 16:37:31 -08:00

85 lines
2.5 KiB
C++

/* 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 <cstdio>
#include "debug/filebasedagsdebugger.h"
#include "ac/file.h" // filelength()
#include "util/stream.h"
#include "util/textstreamwriter.h"
#include "util/wgt2allg.h" // exists()
#include "platform/base/agsplatformdriver.h"
using AGS::Common::Stream;
using AGS::Common::TextStreamWriter;
const char* SENT_MESSAGE_FILE_NAME = "dbgrecv.tmp";
bool FileBasedAGSDebugger::Initialize()
{
if (exists(SENT_MESSAGE_FILE_NAME))
{
::remove(SENT_MESSAGE_FILE_NAME);
}
return true;
}
void FileBasedAGSDebugger::Shutdown()
{
}
bool FileBasedAGSDebugger::SendMessageToEditor(const char *message)
{
while (exists(SENT_MESSAGE_FILE_NAME))
{
platform->YieldCPU();
}
Stream *out = Common::File::CreateFile(SENT_MESSAGE_FILE_NAME);
// CHECKME: originally the file was opened as "wb" for some reason,
// which means the message should be written as a binary array;
// or shouldn't it?
out->Write(message, strlen(message));
delete out;
return true;
}
bool FileBasedAGSDebugger::IsMessageAvailable()
{
return (exists("dbgsend.tmp") != 0);
}
char* FileBasedAGSDebugger::GetNextMessage()
{
Stream *in = Common::File::OpenFileRead("dbgsend.tmp");
if (in == nullptr)
{
// check again, because the editor might have deleted the file in the meantime
return nullptr;
}
int fileSize = in->GetLength();
char *msg = (char*)malloc(fileSize + 1);
in->Read(msg, fileSize);
delete in;
::remove("dbgsend.tmp");
msg[fileSize] = 0;
return msg;
}