mirror of
https://gitlab.com/Syping/luaengineapp.git
synced 2024-07-05 19:10:34 +02:00
101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
/*****************************************************************************
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* luaEngine Lua Engine for Qt
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* Copyright (C) 2018-2019 Syping
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*****************************************************************************/
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#include "LuaEngine.h"
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#include <QCommandLineParser>
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#include <QCommandLineOption>
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#include <QCoreApplication>
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#include <QTextStream>
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#include <QSaveFile>
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#include <QFile>
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int main(int argc, char *argv[])
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{
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QCoreApplication a(argc, argv);
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a.setApplicationName("LuaEngine Compiler");
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a.setApplicationVersion("0.1");
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QCommandLineParser parser;
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QCommandLineOption pLuaEngineOption(QStringList() << "le" << "luaengine", "Location of portable Lua Engine executor.", "luaengine");
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parser.addOption(pLuaEngineOption);
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parser.addPositionalArgument("source", "Source file to build.");
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parser.addPositionalArgument("output", "Output file.");
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parser.addHelpOption();
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parser.addVersionOption();
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parser.process(a);
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const QStringList args = parser.positionalArguments();
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QFile luaScript(args.at(0));
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LuaEngine luaEngine;
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if (!luaEngine.loadLuaScript(&luaScript)) {
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QTextStream(stderr) << "Failed to load \"" << args.at(0) << "\"." << endl;
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return 1;
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}
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QSaveFile outputFile(args.at(1));
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if (!outputFile.open(QIODevice::WriteOnly)) {
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QTextStream(stderr) << "Failed to open \"" << args.at(1) << "\"." << endl;
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return 1;
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}
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QString pLuaEngine = parser.value(pLuaEngineOption);
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if (!pLuaEngine.isEmpty()) {
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QFile portableLuaEngine(pLuaEngine);
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if (!portableLuaEngine.open(QIODevice::ReadOnly)) {
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outputFile.cancelWriting();
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outputFile.commit();
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QTextStream(stderr) << "Failed to open \"" << pLuaEngine << "\"." << endl;
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return 1;
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}
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outputFile.write(portableLuaEngine.readAll());
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}
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const QByteArray luaDump = luaEngine.dumpLuaScript();
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int dumpSize = luaDump.size();
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outputFile.write(luaDump);
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if (!pLuaEngine.isEmpty()) {
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QByteArray lengthArray = QByteArray::number(dumpSize, 16);
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if (lengthArray.size() > 8) {
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outputFile.cancelWriting();
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outputFile.commit();
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QTextStream(stderr) << "Lua Engine script is too large." << endl;
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return 1;
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}
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else {
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while (lengthArray.size() != 8) {
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lengthArray.insert(0, "0");
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}
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}
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outputFile.write(QByteArray::fromHex(lengthArray));
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outputFile.write("\xb4\x00", 2);
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}
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if (!outputFile.commit()) {
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QTextStream(stderr) << "Failed to write \"" << args.at(1) << "\"." << endl;
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return 1;
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}
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return 0;
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}
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