rbutil: Replace QRegExp with QRegularExpression.

The former is not part of Qt6 anymore, while the latter has been
introduced with Qt5. We don't support Qt4 anymore, so move to
QRegularExpression.

Change-Id: Icc15ef422790f3740660c5581294aa0536f46b1f

5 files changed, 31 insertions, 28 deletions

diff --git a/utils/rbutilqt/base/bootloaderinstallipod.cpp b/utils/rbutilqt/base/bootloaderinstallipod.cpp
index 807c6e870b..f94813f99f 100644
--- a/utils/rbutilqt/base/bootloaderinstallipod.cpp
+++ b/utils/rbutilqt/base/bootloaderinstallipod.cpp
@@ -233,10 +233,10 @@ bool BootloaderInstallIpod::ipodInitialize(struct ipod_t *ipod)
         sprintf(ipod->diskname, "\\\\.\\PhysicalDrive%i", devicename.toInt());
 #elif defined(Q_OS_MACX)
         sprintf(ipod->diskname, "%s",
-            qPrintable(devicename.remove(QRegExp("s[0-9]+$"))));
+            qPrintable(devicename.remove(QRegularExpression("s[0-9]+$"))));
 #else
         sprintf(ipod->diskname, "%s",
-            qPrintable(devicename.remove(QRegExp("[0-9]+$"))));
+            qPrintable(devicename.remove(QRegularExpression("[0-9]+$"))));
 #endif
         LOG_INFO() << "ipodpatcher: overriding scan, using"
                    << ipod->diskname;
diff --git a/utils/rbutilqt/base/bootloaderinstallsansa.cpp b/utils/rbutilqt/base/bootloaderinstallsansa.cpp
index b1f0167e42..d4a2799f73 100644
--- a/utils/rbutilqt/base/bootloaderinstallsansa.cpp
+++ b/utils/rbutilqt/base/bootloaderinstallsansa.cpp
@@ -243,10 +243,10 @@ bool BootloaderInstallSansa::sansaInitialize(struct sansa_t *sansa)
         sprintf(sansa->diskname, "\\\\.\\PhysicalDrive%i", devicename.toInt());
 #elif defined(Q_OS_MACX)
         sprintf(sansa->diskname,
-            "%s", qPrintable(devicename.remove(QRegExp("s[0-9]+$"))));
+            "%s", qPrintable(devicename.remove(QRegularExpression("s[0-9]+$"))));
 #else
         sprintf(sansa->diskname,
-            "%s", qPrintable(devicename.remove(QRegExp("[0-9]+$"))));
+            "%s", qPrintable(devicename.remove(QRegularExpression("[0-9]+$"))));
 #endif
         LOG_INFO() << "sansapatcher: overriding scan, using"
                    << sansa->diskname;
diff --git a/utils/rbutilqt/base/talkgenerator.cpp b/utils/rbutilqt/base/talkgenerator.cpp
index 9139ceb274..0ba2587fac 100644
--- a/utils/rbutilqt/base/talkgenerator.cpp
+++ b/utils/rbutilqt/base/talkgenerator.cpp
@@ -263,9 +263,10 @@ QString TalkGenerator::correctString(QString s)
     int i = 0;
     int max = m_corrections.size();
     while(i < max) {
-        corrected = corrected.replace(QRegExp(m_corrections.at(i).search,
+        corrected = corrected.replace(QRegularExpression(m_corrections.at(i).search,
                 m_corrections.at(i).modifier.contains("i")
-                    ? Qt::CaseInsensitive : Qt::CaseSensitive),
+                    ? QRegularExpression::NoPatternOption
+                    : QRegularExpression::CaseInsensitiveOption),
                 m_corrections.at(i).replace);
         i++;
     }
@@ -329,7 +330,7 @@ void TalkGenerator::setLang(QString name)
         co.search = items.at(3);
         co.replace = items.at(4);
         // Qt uses backslash for back references, Perl uses dollar sign.
-        co.replace.replace(QRegExp("\\$(\\d+)"), "\\\\1");
+        co.replace.replace(QRegularExpression("\\$(\\d+)"), "\\\\1");
         co.modifier = items.at(5);
         m_corrections.append(co);
     }
diff --git a/utils/rbutilqt/base/ttsfestival.cpp b/utils/rbutilqt/base/ttsfestival.cpp
index d0ca400909..6acd423506 100644
--- a/utils/rbutilqt/base/ttsfestival.cpp
+++ b/utils/rbutilqt/base/ttsfestival.cpp
@@ -294,8 +294,8 @@ QString TTSFestival::getVoiceInfo(QString voice)
     }
     else
     {
-        response = response.remove(QRegExp("(description \"*\")",
-                    Qt::CaseInsensitive, QRegExp::Wildcard));
+        response = response.remove(QRegularExpression("(description \".*\")",
+                    QRegularExpression::CaseInsensitiveOption));
         LOG_INFO() << "voiceInfo w/o descr:" << response;
         response = response.remove(')');
 #if QT_VERSION >= 0x050e00
diff --git a/utils/rbutilqt/base/utils.cpp b/utils/rbutilqt/base/utils.cpp
index f2d3f04887..5a9432c69c 100644
--- a/utils/rbutilqt/base/utils.cpp
+++ b/utils/rbutilqt/base/utils.cpp
@@ -118,7 +118,8 @@ QString Utils::resolvePathCase(QString path)
             // need to filter using QRegExp as QStringList::filter(QString)
             // matches any substring
             QString expr = QString("^" + elems.at(i) + "$");
-            QRegExp rx = QRegExp(expr, Qt::CaseInsensitive);
+            QRegularExpression rx = QRegularExpression(expr,
+                    QRegularExpression::CaseInsensitiveOption);
             QStringList a = direlems.filter(rx);
 
             if(a.size() != 1)
@@ -403,9 +404,10 @@ QString Utils::checkEnvironment(bool permission)
  */
 QString Utils::trimVersionString(QString s)
 {
-    QRegExp r = QRegExp(".*([\\d\\.]+\\d+[a-z]?).*");
-    if(r.indexIn(s) != -1) {
-        return r.cap(1);
+    QRegularExpression r = QRegularExpression("^\\D*([\\d\\.]+\\d+[a-z]?).*");
+    QRegularExpressionMatch match = r.match(s);
+    if(match.hasMatch()) {
+        return match.captured(1);
     }
     return s;
 }
@@ -428,15 +430,15 @@ int Utils::compareVersionStrings(QString s1, QString s2)
 
     while(!a.isEmpty() || !b.isEmpty()) {
         // trim all leading non-digits and non-dots (dots are removed afterwards)
-        a.remove(QRegExp("^[^\\d\\.]*"));
-        b.remove(QRegExp("^[^\\d\\.]*"));
+        a.remove(QRegularExpression("^[^\\d\\.]*"));
+        b.remove(QRegularExpression("^[^\\d\\.]*"));
 
         // trim all trailing non-digits for conversion (QString::toInt()
         // requires this). Copy strings first as replace() changes the string.
         QString numa = a;
         QString numb = b;
-        numa.remove(QRegExp("\\D+.*$"));
-        numb.remove(QRegExp("\\D+.*$"));
+        numa.remove(QRegularExpression("\\D+.*$"));
+        numb.remove(QRegularExpression("\\D+.*$"));
 
         // convert to number
         bool ok1, ok2;
@@ -455,15 +457,15 @@ int Utils::compareVersionStrings(QString s1, QString s2)
             return (vala > valb) ? -1 : 1;
 
         // trim leading digits.
-        a.remove(QRegExp("^\\d*"));
-        b.remove(QRegExp("^\\d*"));
+        a.remove(QRegularExpression("^\\d*"));
+        b.remove(QRegularExpression("^\\d*"));
 
         // If only one of the following characters is a dot that one is
         // "greater" then anything else. Make sure it's followed by a number,
         // Otherwise it might be the end of the string or suffix.  Do this
         // before version addon characters check to avoid stopping too early.
-        bool adot = a.contains(QRegExp("^[a-zA-Z]*\\.[0-9]"));
-        bool bdot = b.contains(QRegExp("^[a-zA-Z]*\\.[0-9]"));
+        bool adot = a.contains(QRegularExpression("^[a-zA-Z]*\\.[0-9]"));
+        bool bdot = b.contains(QRegularExpression("^[a-zA-Z]*\\.[0-9]"));
         if(adot && !bdot)
             return -1;
         if(!adot && bdot)
@@ -473,17 +475,17 @@ int Utils::compareVersionStrings(QString s1, QString s2)
         // (version numbers like 1.2b.3 aren't handled).
         QChar ltra;
         QChar ltrb;
-        if(a.contains(QRegExp("^[a-zA-Z]")))
+        if(a.contains(QRegularExpression("^[a-zA-Z]")))
             ltra = a.at(0);
-        if(b.contains(QRegExp("^[a-zA-Z]")))
+        if(b.contains(QRegularExpression("^[a-zA-Z]")))
             ltrb = b.at(0);
         if(ltra != ltrb)
             return (ltra < ltrb) ? 1 : -1;
 
         // both are identical or no addon characters, ignore.
         // remove modifiers and following dot.
-        a.remove(QRegExp("^[a-zA-Z]*\\."));
-        b.remove(QRegExp("^[a-zA-Z]*\\."));
+        a.remove(QRegularExpression("^[a-zA-Z]*\\."));
+        b.remove(QRegularExpression("^[a-zA-Z]*\\."));
     }
 
     // no differences found.
@@ -630,7 +632,7 @@ QString Utils::resolveMountPoint(QString device)
 
 #if defined(Q_OS_WIN32)
     QString result;
-    unsigned int driveno = device.replace(QRegExp("^.*([0-9]+)"), "\\1").toInt();
+    unsigned int driveno = device.replace(QRegularExpression("^.*([0-9]+)"), "\\1").toInt();
 
     int letter;
     for(letter = 'A'; letter <= 'Z'; letter++) {
@@ -800,8 +802,8 @@ QMap<QString, QList<int> > Utils::findRunningProcess(QStringList names)
             QStringList k(processlist.keys());
 #if defined(Q_OS_WIN32)
             // the process name might be truncated. Allow the extension to be partial.
-            int index = k.indexOf(QRegExp(names.at(i) + "(\\.(e(x(e?)?)?)?)?",
-                                          Qt::CaseInsensitive));
+            int index = k.indexOf(QRegularExpression(names.at(i) + "(\\.(e(x(e?)?)?)?)?",
+                                  QRegularExpression::CaseInsensitiveOption));
 #else
             int index = k.indexOf(names.at(i));
 #endif