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/*
SPDX-FileCopyrightText: 2020 Volker Krause <vkrause@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include <KOpeningHours/OpeningHours>
#include <QCoreApplication>
#include <QCommandLineParser>
#include <QFile>
#include <cstring>
#include <iostream>
using namespace KOpeningHours;
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
QCommandLineParser parser;
parser.addHelpOption();
parser.addVersionOption();
QCommandLineOption verifyNormalizationOpt({QStringLiteral("verify-normalization")}, QStringLiteral("verify normalized expression themselves have valid syntax"));
parser.addOption(verifyNormalizationOpt);
parser.addPositionalArgument(QStringLiteral("expression"), QStringLiteral("OSM opening hours expression, omit for using stdin."));
parser.process(app);
const auto verifyNormalization = parser.isSet(verifyNormalizationOpt);
if (parser.positionalArguments().isEmpty()) {
OpeningHours oh;
QFile in;
in.open(stdin, QFile::ReadOnly);
int total = 0;
int normalized = 0;
int simplified = 0;
int errors = 0;
char line[4096];
while (!in.atEnd()) {
auto size = in.readLine(line, sizeof(line));
if (size <= 1) {
continue;
}
--size; // trailing linebreak
++total;
oh.setExpression(line, size);
if (oh.error() == OpeningHours::SyntaxError) {
std::cerr << "Syntax error: " << QByteArray(line, size).constData() << std::endl;
++errors;
} else {
const auto n = oh.normalizedExpression();
if (verifyNormalization) {
oh.setExpression(n);
if (oh.error() == OpeningHours::SyntaxError) {
std::cerr << "Syntax error in normalized expression! " << QByteArray(line, size).constData() << " normalized: " << n.constData() << std::endl;
}
}
if (n.size() != size || std::strncmp(line, n.constData(), size) != 0) {
++normalized;
std::cerr << "Expression " << QByteArray(line, size).constData() << " normalized to " << n.constData() << std::endl;
}
const auto simplifiedExpr = oh.simplifiedExpression();
if (n != simplifiedExpr) {
++simplified;
std::cerr << "Expression " << n.constData() << " simplified to " << simplifiedExpr.constData() << std::endl;
}
}
}
std::cerr << total << " expressions checked, "
<< errors << " invalid, "
<< normalized << " not in normal form, "
<< simplified << " can be simplified" << std::endl;
return errors;
} else {
OpeningHours oh(parser.positionalArguments().at(0).toUtf8());
std::cout << oh.normalizedExpression().constData() << std::endl;
return oh.error() != OpeningHours::SyntaxError ? 0 : 1;
}
}
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