aa37e67ef7
We've been requiring C++17 since Qt 6.0, and our qAsConst use finally starts to bother us (QTBUG-99313), so time to port away from it now. Since qAsConst has exactly the same semantics as std::as_const (down to rvalue treatment, constexpr'ness and noexcept'ness), there's really nothing more to it than a global search-and-replace, with manual unstaging of the actual definition and documentation in dist/, src/corelib/doc/ and src/corelib/global/. Task-number: QTBUG-99313 Change-Id: I4c7114444a325ad4e62d0fcbfd347d2bbfb21541 Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QtCore>
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void parseHtmlFile(QTextStream &out, const QString &fileName)
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{
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QFile file(fileName);
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out << "Analysis of HTML file: " << fileName << Qt::endl;
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if (!file.open(QIODevice::ReadOnly)) {
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out << " Couldn't open the file." << Qt::endl << Qt::endl << Qt::endl;
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return;
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}
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//! [0]
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QXmlStreamReader reader(&file);
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//! [0]
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//! [1]
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int paragraphCount = 0;
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QStringList links;
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QString title;
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while (!reader.atEnd()) {
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reader.readNext();
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if (reader.isStartElement()) {
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if (reader.name() == QLatin1String("title"))
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title = reader.readElementText();
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else if (reader.name() == QLatin1String("a"))
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links.append(reader.attributes().value(QLatin1String("href")).toString());
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else if (reader.name() == QLatin1String("p"))
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++paragraphCount;
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}
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}
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//! [1]
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//! [2]
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if (reader.hasError()) {
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out << " The HTML file isn't well-formed: " << reader.errorString()
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<< Qt::endl << Qt::endl << Qt::endl;
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return;
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}
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//! [2]
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out << " Title: \"" << title << '"' << Qt::endl
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<< " Number of paragraphs: " << paragraphCount << Qt::endl
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<< " Number of links: " << links.size() << Qt::endl
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<< " Showing first few links:" << Qt::endl;
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while (links.size() > 5)
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links.removeLast();
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for (const QString &link : std::as_const(links))
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out << " " << link << Qt::endl;
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out << Qt::endl << Qt::endl;
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}
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int main(int argc, char **argv)
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{
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// initialize Qt Core application
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QCoreApplication app(argc, argv);
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// get a list of all html files in the current directory
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const QStringList filter = { QStringLiteral("*.htm"),
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QStringLiteral("*.html") };
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const QStringList htmlFiles = QDir(QStringLiteral(":/")).entryList(filter, QDir::Files);
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QTextStream out(stdout);
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if (htmlFiles.isEmpty()) {
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out << "No html files available.";
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return 1;
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}
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// parse each html file and write the result to file/stream
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for (const QString &file : htmlFiles)
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parseHtmlFile(out, QStringLiteral(":/") + file);
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return 0;
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}
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