Add a primitive text machter as an AdBlockRule implementations

About 30% of the filter of easylist are just simple text matching. This
new AdBlockRule implementation detects the simple occurences of this
to match the url directly.

On Qt 4.7, this reduce the time spend in AdBlock by around 20%.

1 files changed, 47 insertions, 0 deletions

diff --git a/src/adblock/adblockruletextmatchimpl.h b/src/adblock/adblockruletextmatchimpl.h
new file mode 100644
index 00000000..f0e78be0
--- /dev/null
+++ b/src/adblock/adblockruletextmatchimpl.h
@@ -0,0 +1,47 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2010 by Benjamin Poulain <ikipou at gmail dot com>
+*
+*
+* This program 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 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+* ============================================================ */
+
+#ifndef ADBLOCKRULETEXTMATCHIMPL_H
+#define ADBLOCKRULETEXTMATCHIMPL_H
+
+#include "adblockruleimpl.h"
+
+// Qt Includes
+#include <QString>
+
+// Simple rule to find a string in the URL
+class AdBlockRuleTextMatchImpl : public AdBlockRuleImpl
+{
+public:
+    AdBlockRuleTextMatchImpl(const QString &filter);
+    bool match(const QString &encodedUrl) const;
+
+    static bool isTextMatchFilter(const QString &filter);
+
+private:
+    QString m_textToMatch;
+};
+
+#endif // ADBLOCKRULETEXTMATCHIMPL_H