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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
++ #include "tracer.h"
++
++ #include <QtCore/QFileInfo>
++ #include <QtCore/QStringBuilder>
++ #include <QtWidgets/QMessageBox>
++
++ #include "cmdlineparser.h"
++
++ QT_BEGIN_NAMESPACE
++
++ using namespace Qt::StringLiterals;
++
++ static const char helpMessage[] = QT_TRANSLATE_NOOP("CmdLineParser",
++ "Usage: assistant [Options]\n\n"
++ "-collectionFile file Uses the specified collection\n"
++ " file instead of the default one\n"
++ "-showUrl url Shows the document with the\n"
++ " url.\n"
++ "-enableRemoteControl Enables Assistant to be\n"
++ " remotely controlled.\n"
++ "-show widget Shows the specified dockwidget\n"
++ " which can be \"contents\", \"index\",\n"
++ " \"bookmarks\" or \"search\".\n"
++ "-activate widget Activates the specified dockwidget\n"
++ " which can be \"contents\", \"index\",\n"
++ " \"bookmarks\" or \"search\".\n"
++ "-hide widget Hides the specified dockwidget\n"
++ " which can be \"contents\", \"index\"\n"
++ " \"bookmarks\" or \"search\".\n"
++ "-register helpFile Registers the specified help file\n"
++ " (.qch) in the given collection\n"
++ " file.\n"
++ "-unregister helpFile Unregisters the specified help file\n"
++ " (.qch) from the give collection\n"
++ " file.\n"
++ "-setCurrentFilter filter Set the filter as the active filter.\n"
++ "-remove-search-index Removes the full text search index.\n"
++ "-rebuild-search-index Obsolete. Use -remove-search-index instead.\n"
++ " Removes the full text search index.\n"
++ " It will be rebuilt on next Assistant run.\n"
++ "-quiet Does not display any error or\n"
++ " status message.\n"
++ "-help Displays this help.\n"
++ );
++
++
++ CmdLineParser::CmdLineParser(const QStringList &arguments)
++ : m_pos(0),
++ m_enableRemoteControl(false),
++ m_contents(Untouched),
++ m_index(Untouched),
++ m_bookmarks(Untouched),
++ m_search(Untouched),
++ m_register(None),
++ m_removeSearchIndex(false),
++ m_quiet(false)
++ {
++ TRACE_OBJ
++ for (int i = 1; i < arguments.size(); ++i) {
++ const QString &arg = arguments.at(i);
++ if (arg.toLower() == "-quiet")
++ m_quiet = true;
++ else
++ m_arguments.append(arg);
++ }
++ }
++
++ CmdLineParser::Result CmdLineParser::parse()
++ {
++ TRACE_OBJ
++ bool showHelp = false;
++
++ while (m_error.isEmpty() && hasMoreArgs()) {
++ const QString &arg = nextArg().toLower();
++ if (arg == "-collectionfile"_L1)
++ handleCollectionFileOption();
++ else if (arg == "-showurl"_L1)
++ handleShowUrlOption();
++ else if (arg == "-enableremotecontrol"_L1)
++ m_enableRemoteControl = true;
++ else if (arg == "-show"_L1)
++ handleShowOption();
++ else if (arg == "-hide"_L1)
++ handleHideOption();
++ else if (arg == "-activate"_L1)
++ handleActivateOption();
++ else if (arg == "-register"_L1)
++ handleRegisterOption();
++ else if (arg == "-unregister"_L1)
++ handleUnregisterOption();
++ else if (arg == "-setcurrentfilter"_L1)
++ handleSetCurrentFilterOption();
++ else if (arg == "-remove-search-index"_L1)
++ m_removeSearchIndex = true;
++ else if (arg == "-rebuild-search-index"_L1)
++ m_removeSearchIndex = true;
++ else if (arg == "-help"_L1)
++ showHelp = true;
++ else
++ m_error = tr("Unknown option: %1").arg(arg);
++ }
++
++ if (!m_error.isEmpty()) {
++ showMessage(m_error + "\n\n\n"_L1 + tr(helpMessage), true);
++ return Error;
++ } else if (showHelp) {
++ showMessage(tr(helpMessage), false);
++ return Help;
++ }
++ return Ok;
++ }
++
++ bool CmdLineParser::hasMoreArgs() const
++ {
++ TRACE_OBJ
++ return m_pos < m_arguments.size();
++ }
++
++ const QString &CmdLineParser::nextArg()
++ {
++ TRACE_OBJ
++ Q_ASSERT(hasMoreArgs());
++ return m_arguments.at(m_pos++);
++ }
++
++ void CmdLineParser::handleCollectionFileOption()
++ {
++ TRACE_OBJ
++ if (hasMoreArgs()) {
++ const QString &fileName = nextArg();
++ m_collectionFile = getFileName(fileName);
++ if (m_collectionFile.isEmpty())
++ m_error = tr("The collection file '%1' does not exist.").
++ arg(fileName);
++ } else {
++ m_error = tr("Missing collection file.");
++ }
++ }
++
++ void CmdLineParser::handleShowUrlOption()
++ {
++ TRACE_OBJ
++ if (hasMoreArgs()) {
++ const QString &urlString = nextArg();
++ QUrl url(urlString);
++ if (url.isValid()) {
++ m_url = url;
++ } else
++ m_error = tr("Invalid URL '%1'.").arg(urlString);
++ } else {
++ m_error = tr("Missing URL.");
++ }
++ }
++
++ void CmdLineParser::handleShowOption()
++ {
++ TRACE_OBJ
++ handleShowOrHideOrActivateOption(Show);
++ }
++
++ void CmdLineParser::handleHideOption()
++ {
++ TRACE_OBJ
++ handleShowOrHideOrActivateOption(Hide);
++ }
++
++ void CmdLineParser::handleActivateOption()
++ {
++ TRACE_OBJ
++ handleShowOrHideOrActivateOption(Activate);
++ }
++
++ void CmdLineParser::handleShowOrHideOrActivateOption(ShowState state)
++ {
++ TRACE_OBJ
++ if (hasMoreArgs()) {
++ const QString &widget = nextArg().toLower();
++ if (widget == "contents"_L1)
++ m_contents = state;
++ else if (widget == "index"_L1)
++ m_index = state;
++ else if (widget == "bookmarks"_L1)
++ m_bookmarks = state;
++ else if (widget == "search"_L1)
++ m_search = state;
++ else
++ m_error = tr("Unknown widget: %1").arg(widget);
++ } else {
++ m_error = tr("Missing widget.");
++ }
++ }
++
++ void CmdLineParser::handleRegisterOption()
++ {
++ TRACE_OBJ
++ handleRegisterOrUnregisterOption(Register);
++ }
++
++ void CmdLineParser::handleUnregisterOption()
++ {
++ TRACE_OBJ
++ handleRegisterOrUnregisterOption(Unregister);
++ }
++
++ void CmdLineParser::handleRegisterOrUnregisterOption(RegisterState state)
++ {
++ TRACE_OBJ
++ if (hasMoreArgs()) {
++ const QString &fileName = nextArg();
++ m_helpFile = getFileName(fileName);
++ if (m_helpFile.isEmpty())
++ m_error = tr("The Qt help file '%1' does not exist.").arg(fileName);
++ else
++ m_register = state;
++ } else {
++ m_error = tr("Missing help file.");
++ }
++ }
++
++ void CmdLineParser::handleSetCurrentFilterOption()
++ {
++ TRACE_OBJ
++ if (hasMoreArgs())
++ m_currentFilter = nextArg();
++ else
++ m_error = tr("Missing filter argument.");
++ }
++
++ QString CmdLineParser::getFileName(const QString &fileName)
++ {
++ TRACE_OBJ
++ QFileInfo fi(fileName);
++ if (!fi.exists())
++ return QString();
++ return fi.absoluteFilePath();
++ }
++
++ void CmdLineParser::showMessage(const QString &msg, bool error)
++ {
++ TRACE_OBJ
++ if (m_quiet)
++ return;
++ #ifdef Q_OS_WIN
++ QString message = "<pre>"_L1 % msg % "</pre>"_L1;
++ if (error)
++ QMessageBox::critical(0, tr("Error"), message);
++ else
++ QMessageBox::information(0, tr("Notice"), message);
++ #else
++ fprintf(error ? stderr : stdout, "%s\n", qPrintable(msg));
++ #endif
++ }
++
++ void CmdLineParser::setCollectionFile(const QString &file)
++ {
++ TRACE_OBJ
++ m_collectionFile = file;
++ }
++
++ QString CmdLineParser::collectionFile() const
++ {
++ TRACE_OBJ
++ return m_collectionFile;
++ }
++
++ bool CmdLineParser::collectionFileGiven() const
++ {
++ TRACE_OBJ
++ return m_arguments.contains("-collectionfile"_L1, Qt::CaseInsensitive);
++ }
++
++ QUrl CmdLineParser::url() const
++ {
++ TRACE_OBJ
++ return m_url;
++ }
++
++ bool CmdLineParser::enableRemoteControl() const
++ {
++ TRACE_OBJ
++ return m_enableRemoteControl;
++ }
++
++ CmdLineParser::ShowState CmdLineParser::contents() const
++ {
++ TRACE_OBJ
++ return m_contents;
++ }
++
++ CmdLineParser::ShowState CmdLineParser::index() const
++ {
++ TRACE_OBJ
++ return m_index;
++ }
++
++ CmdLineParser::ShowState CmdLineParser::bookmarks() const
++ {
++ TRACE_OBJ
++ return m_bookmarks;
++ }
++
++ CmdLineParser::ShowState CmdLineParser::search() const
++ {
++ TRACE_OBJ
++ return m_search;
++ }
++
++ QString CmdLineParser::currentFilter() const
++ {
++ TRACE_OBJ
++ return m_currentFilter;
++ }
++
++ bool CmdLineParser::removeSearchIndex() const
++ {
++ TRACE_OBJ
++ return m_removeSearchIndex;
++ }
++
++ CmdLineParser::RegisterState CmdLineParser::registerRequest() const
++ {
++ TRACE_OBJ
++ return m_register;
++ }
++
++ QString CmdLineParser::helpFile() const
++ {
++ TRACE_OBJ
++ return m_helpFile;
++ }
++
++ QT_END_NAMESPACE