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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QCoreApplication>
#include <QFile>
#include <QHash>
#include <QPair>
#include <QStringList>
#include <QTextStream>
#include <QXmlStreamReader>
/*
This class exists for the sole purpose of creating a translation context.
*/
class PrettyPrint
{
Q_DECLARE_TR_FUNCTIONS(PrettyPrint)
};
int main(int argc, char *argv[])
{
enum ExitCode
{
Success,
ParseFailure,
ArgumentError,
WriteError,
FileFailure
};
QCoreApplication app(argc, argv);
QTextStream errorStream(stderr);
if (argc != 2)
{
errorStream << PrettyPrint::tr(
"Usage: prettyprint <path to XML file>\n");
return ArgumentError;
}
QString inputFilePath(QCoreApplication::arguments().at(1));
QFile inputFile(inputFilePath);
if (!QFile::exists(inputFilePath))
{
errorStream << PrettyPrint::tr(
"File %1 does not exist.\n").arg(inputFilePath);
return FileFailure;
} else if (!inputFile.open(QIODevice::ReadOnly)) {
errorStream << PrettyPrint::tr(
"Failed to open file %1.\n").arg(inputFilePath);
return FileFailure;
}
QFile outputFile;
if (!outputFile.open(stdout, QIODevice::WriteOnly))
{
QTextStream(stderr) << PrettyPrint::tr("Failed to open stdout.");
return WriteError;
}
QXmlStreamReader reader(&inputFile);
int indentation = 0;
QHash<int,QPair<int, int> > indentationStack;
while (!reader.atEnd())
{
reader.readNext();
if (reader.isStartElement()) {
indentationStack[indentation] = QPair<int,int>(
reader.lineNumber(), reader.columnNumber());
indentation += 1;
} else if (reader.isEndElement()) {
indentationStack.remove(indentation);
indentation -= 1;
}
if (reader.error())
{
errorStream << PrettyPrint::tr(
"Error: %1 in file %2 at line %3, column %4.\n").arg(
reader.errorString(), inputFilePath,
QString::number(reader.lineNumber()),
QString::number(reader.columnNumber()));
if (indentationStack.contains(indentation-1)) {
int line = indentationStack[indentation-1].first;
int column = indentationStack[indentation-1].second;
errorStream << PrettyPrint::tr(
"Opened at line %1, column %2.\n").arg(
QString::number(line),
QString::number(column));
}
return ParseFailure;
} else if (reader.isStartElement() && !reader.name().isEmpty()) {
outputFile.write(QByteArray().fill(' ', indentation));
outputFile.write(reader.name().toString().toLocal8Bit());
outputFile.write(QString(" line %1, column %2\n").arg(
reader.lineNumber()).arg(reader.columnNumber()).toLocal8Bit());
}
}
return Success;
}
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