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/*
* Copyright (C) 2014 Aaron Seigo <aseigo@kde.org>
*
* 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 <unistd.h>
#include <QCoreApplication>
#include <QDebug>
#include <QTextStream>
#include "syntaxtree.h"
// #include "jsonlistener.h"
#include "repl/repl.h"
/*
* modes of operation:
*
* 1. called with no commands: start the REPL and listen for JSON on stin
* 2. called with -: listen for JSON on stdin
* 3. called with commands: try to match to syntx
*/
int main(int argc, char *argv[])
{
const bool interactive = isatty(fileno(stdin));
const bool startRepl = (argc == 1) && interactive;
//TODO: make a json command parse cause that would be awesomesauce
const bool startJsonListener = !startRepl &&
(argc == 2 && qstrcmp(argv[1], "-") == 0);
//qDebug() << "state at startup is" << interactive << startRepl << startJsonListener;
QCoreApplication app(argc, argv);
app.setApplicationName(argv[0]);
if (startRepl || startJsonListener) {
if (startRepl) {
Repl *repl = new Repl;
QObject::connect(repl, &QStateMachine::finished,
repl, &QObject::deleteLater);
QObject::connect(repl, &QStateMachine::finished,
&app, &QCoreApplication::quit);
}
if (startJsonListener) {
// JsonListener listener(syntax);
}
State::setHasEventLoop(true);
return app.exec();
} else if (!interactive) {
QTextStream inputStream(stdin);
while (true) {
const QString input = inputStream.readLine();
if (input.isEmpty()) {
::exit(0);
}
const QStringList commands = SyntaxTree::tokenize(input);
SyntaxTree::self()->run(commands);
}
} else {
QStringList commands = app.arguments();
commands.removeFirst();
return SyntaxTree::self()->run(commands);
}
}
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