More QRegularExpression and include for Qt 6

Task-number: QTCREATORBUG-24098
Change-Id: Ia537e26efd3f37319c38d906e569b255768371f9
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/beautifier/artisticstyle/artisticstylesettings.cpp

@@ -74,8 +74,8 @@ static int parseVersion(const QString &text)
     const QRegularExpression rx("([2-9]{1})\\.([0-9]{2})(\\.[1-9]{1})?$");
     const QRegularExpressionMatch match = rx.match(text);
     if (match.hasMatch()) {
-        const int major = match.capturedRef(1).toInt() * 100;
-        const int minor = match.capturedRef(2).toInt();
+        const int major = match.captured(1).toInt() * 100;
+        const int minor = match.captured(2).toInt();
         return major + minor;
     }
     return 0;

src/plugins/git/commitdata.h

@@ -31,6 +31,10 @@
 #include <QStringList>
 #include <QPair>
 
+QT_BEGIN_NAMESPACE
+class QTextCodec;
+QT_END_NAMESPACE
+
 namespace Git {
 namespace Internal {
 

src/plugins/help/searchwidget.cpp

@@ -49,7 +49,7 @@
 #include <QLabel>
 #include <QMap>
 #include <QMenu>
-#include <QRegExp>
+#include <QRegularExpression>
 #include <QString>
 #include <QStringList>
 #include <QTextBrowser>
@@ -263,7 +263,7 @@ void SearchWidget::contextMenuEvent(QContextMenuEvent *contextMenuEvent)
 
 QStringList SearchWidget::currentSearchTerms() const
 {
-    return searchEngine->searchInput().split(QRegExp("\\W+"), Utils::SkipEmptyParts);
+    return searchEngine->searchInput().split(QRegularExpression("\\W+"), Utils::SkipEmptyParts);
 }
 
 // #pragma mark -- SearchSideBarItem

src/plugins/incredibuild/cmakecommandbuilder.cpp

@@ -36,7 +36,7 @@
 
 #include <QFileInfo>
 #include <QMessageBox>
-#include <QRegExp>
+#include <QRegularExpression>
 #include <QStandardPaths>
 
 using namespace ProjectExplorer;
@@ -96,7 +96,7 @@ QStringList CMakeCommandBuilder::defaultArguments()
 
 QString CMakeCommandBuilder::setMultiProcessArg(QString args)
 {
-    QRegExp regExp("\\s*\\-j\\s+\\d+");
+    QRegularExpression regExp("\\s*\\-j\\s+\\d+");
     args.remove(regExp);
     args.append(" -- -j 200");
 

src/plugins/incredibuild/makecommandbuilder.cpp

@@ -36,7 +36,7 @@
 
 #include <QDebug>
 #include <QFileInfo>
-#include <QRegExp>
+#include <QRegularExpression>
 
 using namespace ProjectExplorer;
 
@@ -84,13 +84,14 @@ QString MakeCommandBuilder::setMultiProcessArg(QString args)
 
     // jom -j 200
     if (fileInfo.baseName().compare("jom", Qt::CaseSensitivity::CaseInsensitive) == 0) {
-        QRegExp regExp("\\s*\\-j\\s+\\d+");
+        QRegularExpression regExp("\\s*\\-j\\s+\\d+");
         args.remove(regExp);
         args.append(" -j 200");
      }
     // make -j200
-    else if ((fileInfo.baseName().compare("make", Qt::CaseSensitivity::CaseInsensitive) == 0) || (fileInfo.baseName().compare("gmake", Qt::CaseSensitivity::CaseInsensitive) == 0)) {
-        QRegExp regExp("\\s*\\-j\\d+");
+    else if ((fileInfo.baseName().compare("make", Qt::CaseSensitivity::CaseInsensitive) == 0)
+          || (fileInfo.baseName().compare("gmake", Qt::CaseSensitivity::CaseInsensitive) == 0)) {
+        QRegularExpression regExp("\\s*\\-j\\d+");
         args.remove(regExp);
         args.append(" -j200");
     }

src/plugins/python/pythonproject.cpp

@@ -377,16 +377,17 @@ void PythonBuildSystem::parse()
  */
 static void expandEnvironmentVariables(const QProcessEnvironment &env, QString &string)
 {
-    static QRegExp candidate(QLatin1String("\\$\\$\\((.+)\\)"));
+    const QRegularExpression candidate("\\$\\$\\((.+)\\)");
 
-    int index = candidate.indexIn(string);
+    QRegularExpressionMatch match;
+    int index = string.indexOf(candidate, 0, &match);
     while (index != -1) {
-        const QString value = env.value(candidate.cap(1));
+        const QString value = env.value(match.captured(1));
 
-        string.replace(index, candidate.matchedLength(), value);
+        string.replace(index, match.capturedLength(), value);
         index += value.length();
 
-        index = candidate.indexIn(string, index);
+        index = string.indexOf(candidate, index, &match);
     }
 }
 

src/plugins/python/pythonrunconfiguration.cpp

@@ -86,7 +86,7 @@ private:
         if (match.hasMatch()) {
             const LinkSpec link(match.capturedStart(2), match.capturedLength(2), match.captured(2));
             const auto fileName = FilePath::fromString(match.captured(3));
-            const int lineNumber = match.capturedRef(4).toInt();
+            const int lineNumber = match.captured(4).toInt();
             m_tasks.append({Task::Warning, QString(), fileName, lineNumber, category});
             return {Status::InProgress, {link}};
         }
@@ -121,7 +121,7 @@ private:
         if (!match.hasMatch())
             return false;
         const QString fileName = match.captured(3);
-        const int lineNumber = match.capturedRef(4).toInt();
+        const int lineNumber = match.captured(4).toInt();
         Core::EditorManager::openEditorAt(fileName, lineNumber);
         return true;
     }

src/plugins/qmakeprojectmanager/addlibrarywizard.cpp

@@ -44,14 +44,13 @@ using namespace QmakeProjectManager::Internal;
 const char qt_file_dialog_filter_reg_exp[] =
 "^(.*)\\(([a-zA-Z0-9_.*? +;#\\-\\[\\]@\\{\\}/!<>\\$%&=^~:\\|]*)\\)$";
 
-// taken from qfiledialog.cpp
-QStringList qt_clean_filter_list(const QString &filter)
+static QStringList qt_clean_filter_list(const QString &filter)
 {
-    QRegExp regexp(QString::fromLatin1(qt_file_dialog_filter_reg_exp));
+    const QRegularExpression regexp(qt_file_dialog_filter_reg_exp);
+    const QRegularExpressionMatch match = regexp.match(filter);
     QString f = filter;
-    int i = regexp.indexIn(f);
-    if (i >= 0)
-        f = regexp.cap(2);
+    if (match.hasMatch())
+        f = match.captured(2);
     return f.split(QLatin1Char(' '), Utils::SkipEmptyParts);
 }
 
@@ -65,12 +64,16 @@ static bool validateLibraryPath(const Utils::FilePath &filePath,
 
     const QString fileName = filePath.fileName();
 
-    QStringList filters = qt_clean_filter_list(pathChooser->promptDialogFilter());
-    for (int i = 0; i < filters.count(); i++) {
-        QRegExp regExp(filters.at(i));
-        regExp.setCaseSensitivity(Utils::HostOsInfo::fileNameCaseSensitivity());
-        regExp.setPatternSyntax(QRegExp::Wildcard);
-        if (regExp.exactMatch(fileName))
+    QRegularExpression::PatternOption option =
+        Utils::HostOsInfo::fileNameCaseSensitivity() == Qt::CaseInsensitive
+            ? QRegularExpression::CaseInsensitiveOption
+            : QRegularExpression::NoPatternOption;
+
+    const QStringList filters = qt_clean_filter_list(pathChooser->promptDialogFilter());
+    for (const QString &filter : filters) {
+        QString pattern = QRegularExpression::wildcardToRegularExpression(filter);
+        QRegularExpression regExp(pattern, option);
+        if (regExp.match(fileName).hasMatch())
             return true;
         }
     return false;