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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtCore/qfile.h>
#include <QtCore/qtextstream.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qscopedpointer.h>
#include <QtCore/QCoreApplication>
#include <QtQml/qjsengine.h>
#include <stdlib.h>
class CommandInterface : public QObject
{
Q_OBJECT
public:
Q_INVOKABLE void quit() { m_wantsToQuit = true; }
static bool wantsToQuit() { return m_wantsToQuit; }
private:
static bool m_wantsToQuit;
};
bool CommandInterface::m_wantsToQuit = false;
static void interactive(QJSEngine *eng)
{
QTextStream qin(stdin, QFile::ReadOnly);
const char *prompt = "qs> ";
forever {
QString line;
printf("%s", prompt);
fflush(stdout);
line = qin.readLine();
if (line.isNull())
break;
if (line.trimmed().isEmpty())
continue;
line += QLatin1Char('\n');
QJSValue result = eng->evaluate(line, QLatin1String("typein"));
fprintf(stderr, "%s\n", qPrintable(result.toString()));
if (CommandInterface::wantsToQuit())
break;
}
}
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
QScopedPointer<QJSEngine> eng(new QJSEngine());
{
QJSValue globalObject = eng->globalObject();
QJSValue interface = eng->newQObject(new CommandInterface);
globalObject.setProperty("qt", interface);
}
if (! *++argv) {
interactive(eng.data());
return EXIT_SUCCESS;
}
while (const char *arg = *argv++) {
QString fileName = QString::fromLocal8Bit(arg);
if (fileName == QLatin1String("-i")) {
interactive(eng.data());
break;
}
QString contents;
int lineNumber = 1;
if (fileName == QLatin1String("-")) {
QTextStream stream(stdin, QFile::ReadOnly);
contents = stream.readAll();
} else {
QFile file(fileName);
if (file.open(QFile::ReadOnly)) {
QTextStream stream(&file);
contents = stream.readAll();
file.close();
// strip off #!/usr/bin/env qjs line
if (contents.startsWith("#!")) {
contents.remove(0, contents.indexOf("\n"));
++lineNumber;
}
}
}
if (contents.isEmpty())
continue;
QJSValue result = eng->evaluate(contents, fileName, lineNumber);
if (result.isError()) {
fprintf (stderr, " %s\n\n", qPrintable(result.toString()));
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
#include <main.moc>
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