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-rw-r--r--tools/qmlformat/main.cpp293
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diff --git a/tools/qmlformat/main.cpp b/tools/qmlformat/main.cpp
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--- a/tools/qmlformat/main.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2019 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the tools applications of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:GPL-EXCEPT$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 as published by the Free Software
-** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QCoreApplication>
-#include <QFile>
-#include <QTextStream>
-
-#include <QtQml/private/qqmljslexer_p.h>
-#include <QtQml/private/qqmljsparser_p.h>
-#include <QtQml/private/qqmljsengine_p.h>
-#include <QtQml/private/qqmljsastvisitor_p.h>
-#include <QtQml/private/qqmljsast_p.h>
-
-#if QT_CONFIG(commandlineparser)
-#include <QCommandLineParser>
-#endif
-
-#include "commentastvisitor.h"
-#include "dumpastvisitor.h"
-#include "restructureastvisitor.h"
-
-struct Options
-{
- bool verbose = false;
- bool inplace = false;
- bool force = false;
- bool tabs = false;
- bool valid = false;
-
- int indentWidth = 4;
- bool indentWidthSet = false;
- QString newline = "native";
-
- QStringList files;
- QStringList arguments;
- QStringList errors;
-};
-
-bool parseFile(const QString &filename, const Options &options)
-{
- QFile file(filename);
-
- if (!file.open(QIODevice::Text | QIODevice::ReadOnly)) {
- qWarning().noquote() << "Failed to open" << filename << "for reading.";
- return false;
- }
-
- QString code = QString::fromUtf8(file.readAll());
- file.close();
-
- QQmlJS::Engine engine;
- QQmlJS::Lexer lexer(&engine);
-
- lexer.setCode(code, 1, true);
- QQmlJS::Parser parser(&engine);
-
- bool success = parser.parse();
-
- if (!success) {
- const auto diagnosticMessages = parser.diagnosticMessages();
- for (const QQmlJS::DiagnosticMessage &m : diagnosticMessages) {
- qWarning().noquote() << QString::fromLatin1("%1:%2 : %3")
- .arg(filename).arg(m.loc.startLine).arg(m.message);
- }
-
- qWarning().noquote() << "Failed to parse" << filename;
- return false;
- }
-
- // Try to attach comments to AST nodes
- CommentAstVisitor comment(&engine, parser.rootNode());
-
- if (options.verbose)
- qWarning().noquote() << comment.attachedComments().size() << "comment(s) attached.";
-
- if (options.verbose) {
- int orphaned = 0;
-
- for (const auto& orphanList : comment.orphanComments().values())
- orphaned += orphanList.size();
-
- qWarning().noquote() << orphaned << "comments are orphans.";
- }
-
- // Do the actual restructuring
- RestructureAstVisitor restructure(parser.rootNode());
-
- // Turn AST back into source code
- if (options.verbose)
- qWarning().noquote() << "Dumping" << filename;
-
- DumpAstVisitor dump(
- &engine, parser.rootNode(), &comment, options.tabs ? 1 : options.indentWidth,
- options.tabs ? DumpAstVisitor::Indentation::Tabs : DumpAstVisitor::Indentation::Spaces);
-
- QString dumpCode = dump.toString();
-
- lexer.setCode(dumpCode, 1, true);
-
- bool dumpSuccess = parser.parse();
-
- if (!dumpSuccess) {
- if (options.verbose) {
- const auto diagnosticMessages = parser.diagnosticMessages();
- for (const QQmlJS::DiagnosticMessage &m : diagnosticMessages) {
- qWarning().noquote() << QString::fromLatin1("<formatted>:%2 : %3")
- .arg(m.loc.startLine).arg(m.message);
- }
- }
-
- qWarning().noquote() << "Failed to parse formatted code.";
- }
-
- if (dump.error() || !dumpSuccess) {
- if (options.force) {
- qWarning().noquote() << "An error has occurred. The output may not be reliable.";
- } else {
- qWarning().noquote() << "An error has occurred. Aborting.";
- return false;
- }
- }
-
- const bool native = options.newline == "native";
-
- if (!native) {
- if (options.newline == "macos") {
- dumpCode = dumpCode.replace("\n", "\r");
- } else if (options.newline == "windows") {
- dumpCode = dumpCode.replace("\n", "\r\n");
- } else if (options.newline == "unix") {
- // Nothing needs to be done for unix line-endings
- } else {
- qWarning().noquote() << "Unknown line ending type" << options.newline;
- return false;
- }
- }
-
- if (options.inplace) {
- if (options.verbose)
- qWarning().noquote() << "Writing to file" << filename;
-
- if (!file.open(native ? QIODevice::WriteOnly | QIODevice::Text : QIODevice::WriteOnly)) {
- qWarning().noquote() << "Failed to open" << filename << "for writing";
- return false;
- }
-
- file.write(dumpCode.toUtf8());
- file.close();
- } else {
- QFile out;
- out.open(stdout, QIODevice::WriteOnly);
- out.write(dumpCode.toUtf8());
- }
-
- return true;
-}
-
-Options buildCommandLineOptions(const QCoreApplication &app)
-{
-#if QT_CONFIG(commandlineparser)
- QCommandLineParser parser;
- parser.setApplicationDescription("Formats QML files according to the QML Coding Conventions.");
- parser.addHelpOption();
- parser.addVersionOption();
-
- parser.addOption(QCommandLineOption({"V", "verbose"},
- QStringLiteral("Verbose mode. Outputs more detailed information.")));
-
- parser.addOption(QCommandLineOption({"i", "inplace"},
- QStringLiteral("Edit file in-place instead of outputting to stdout.")));
-
- parser.addOption(QCommandLineOption({"f", "force"},
- QStringLiteral("Continue even if an error has occurred.")));
-
- parser.addOption(
- QCommandLineOption({ "t", "tabs" }, QStringLiteral("Use tabs instead of spaces.")));
-
- parser.addOption(QCommandLineOption({ "w", "indent-width" },
- QStringLiteral("How many spaces are used when indenting."),
- "width", "4"));
-
- parser.addOption(QCommandLineOption(
- { "F", "files" }, QStringLiteral("Format all files listed in file, in-place"), "file"));
-
- parser.addOption(QCommandLineOption({"l", "newline"},
- QStringLiteral("Override the new line format to use (native macos unix windows)."),
- "newline", "native"));
-
- parser.addPositionalArgument("filenames", "files to be processed by qmlformat");
-
- parser.process(app);
-
- bool indentWidthOkay = false;
- const int indentWidth = parser.value("indent-width").toInt(&indentWidthOkay);
- if (!indentWidthOkay) {
- Options options;
- options.errors.push_back("Error: Invalid value passed to -w");
- return options;
- }
-
- QStringList files;
- QFile file(parser.value("files"));
- file.open(QIODevice::Text | QIODevice::ReadOnly);
- if (file.isOpen()) {
- QTextStream in(&file);
- while (!in.atEnd()) {
- QString file = in.readLine();
-
- if (file.isEmpty())
- continue;
-
- files.push_back(file);
- }
- }
-
- Options options;
- options.verbose = parser.isSet("verbose");
- options.inplace = parser.isSet("inplace");
- options.force = parser.isSet("force");
- options.tabs = parser.isSet("tabs");
- options.valid = true;
-
- options.indentWidth = indentWidth;
- options.indentWidthSet = parser.isSet("indent-width");
- options.newline = parser.value("newline");
- options.files = files;
- options.arguments = parser.positionalArguments();
- return options;
-#else
- return Options {};
-#endif
-}
-
-int main(int argc, char *argv[])
-{
- QCoreApplication app(argc, argv);
- QCoreApplication::setApplicationName("qmlformat");
- QCoreApplication::setApplicationVersion("1.0");
-
- const auto options = buildCommandLineOptions(app);
- if (!options.valid) {
- for (const auto &error : options.errors) {
- qWarning().noquote() << error;
- }
-
- return -1;
- }
-
- bool success = true;
- if (!options.files.isEmpty()) {
- if (!options.arguments.isEmpty())
- qWarning() << "Warning: Positional arguments are ignored when -F is used";
-
- for (const QString &file : options.files) {
- Q_ASSERT(!file.isEmpty());
-
- if (!parseFile(file, options))
- success = false;
- }
- } else {
- for (const QString &file : options.arguments) {
- if (!parseFile(file, options))
- success = false;
- }
- }
-
- return success ? 0 : 1;
-}
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