Added regexps work on adblocks.

src/miscellaneous/simpleregexp.cpp

@@ -0,0 +1,77 @@
+// This file is part of RSS Guard.
+//
+// Copyright (C) 2011-2017 by Martin Rotter <rotter.martinos@gmail.com>
+// Copyright (C) 2010-2014 by David Rosca <nowrep@gmail.com>
+//
+// RSS Guard is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// RSS Guard is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.
+
+#include "miscellaneous/simpleregexp.h"
+
+
+SimpleRegExp::SimpleRegExp()
+  : QRegularExpression(QString(), QRegularExpression::DotMatchesEverythingOption), m_matchedLength(-1) {
+}
+
+SimpleRegExp::SimpleRegExp(const QString &pattern, Qt::CaseSensitivity cs)
+  : QRegularExpression(pattern, QRegularExpression::DotMatchesEverythingOption), m_matchedLength(-1) {
+  if (cs == Qt::CaseInsensitive) {
+    setPatternOptions(patternOptions() | QRegularExpression::CaseInsensitiveOption);
+  }
+}
+
+SimpleRegExp::SimpleRegExp(const SimpleRegExp &re)
+  : QRegularExpression(re) , m_matchedLength(-1) {
+}
+
+void SimpleRegExp::setMinimal(bool minimal) {
+  QRegularExpression::PatternOptions opt;
+
+  if (minimal) {
+    opt = patternOptions() | QRegularExpression::InvertedGreedinessOption;
+  }
+  else {
+    opt = patternOptions() & ~QRegularExpression::InvertedGreedinessOption;
+  }
+
+  setPatternOptions(opt);
+}
+
+int SimpleRegExp::indexIn(const QString &str, int offset) const {
+  SimpleRegExp *that = const_cast<SimpleRegExp*>(this);
+  QRegularExpressionMatch m = match(str, offset);
+
+  if (!m.hasMatch()) {
+    that->m_matchedLength = -1;
+    that->m_capturedTexts.clear();
+    return -1;
+  }
+  else {
+    that->m_matchedLength = m.capturedLength();
+    that->m_capturedTexts = m.capturedTexts();
+    return m.capturedStart();
+  }
+}
+
+int SimpleRegExp::matchedLength() const {
+  return m_matchedLength;
+}
+
+QString SimpleRegExp::cap(int nth) const {
+  if (nth >= 0 && m_capturedTexts.size() > nth) {
+    return m_capturedTexts.at(nth);
+  }
+  else {
+    return QString();
+  }
+}

src/miscellaneous/simpleregexp.h

@@ -0,0 +1,42 @@
+// This file is part of RSS Guard.
+//
+// Copyright (C) 2011-2017 by Martin Rotter <rotter.martinos@gmail.com>
+// Copyright (C) 2010-2014 by David Rosca <nowrep@gmail.com>
+//
+// RSS Guard is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// RSS Guard is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef SIMPLEREGEXP_H
+#define SIMPLEREGEXP_H
+
+#include <QRegularExpression>
+#include <QStringList>
+
+
+class SimpleRegExp : public QRegularExpression {
+  public:
+    explicit SimpleRegExp();
+    explicit SimpleRegExp(const QString &pattern, Qt::CaseSensitivity cs = Qt::CaseSensitive);
+    explicit SimpleRegExp(const SimpleRegExp &re);
+
+    void setMinimal(bool minimal);
+    int indexIn(const QString &str, int offset = 0) const;
+    int matchedLength() const;
+    QString cap(int nth = 0) const;
+
+  private:
+    QStringList m_capturedTexts;
+    int m_matchedLength;
+};
+
+#endif // SIMPLEREGEXP_H