Revision control
++ // 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;
++ }