1 files changed, 73 insertions, 0 deletions
diff --git a/src/adblock/adblockruletextmatchimpl.cpp b/src/adblock/adblockruletextmatchimpl.cpp
new file mode 100644
index 00000000..892d78e0
--- /dev/null
+++ b/src/adblock/adblockruletextmatchimpl.cpp
@@ -0,0 +1,73 @@
+/* ============================================================
+*
+* 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/>.
+*
+* ============================================================ */
+
+// Self Includes
+#include "adblockruletextmatchimpl.h"
+
+// Rekonq Includes
+#include "rekonq_defines.h"
+
+AdBlockRuleTextMatchImpl::AdBlockRuleTextMatchImpl(const QString &filter)
+    : AdBlockRuleImpl(filter)
+{
+    Q_ASSERT(AdBlockRuleTextMatchImpl::isTextMatchFilter(filter));
+
+    m_textToMatch = filter.toLower();
+    m_textToMatch.remove(QL1C('*'));
+}
+
+bool AdBlockRuleTextMatchImpl::match(const QString &encodedUrl, const QString &encodedUrlLowerCase) const
+{
+    Q_UNUSED(encodedUrl);
+    // Case sensitive compare is faster, but would be incorrect with encodedUrl since
+    // we do want case insensitive.
+    // What we do is work on a lowercase version of m_textToMatch, and compare to the lowercase
+    // version of encodedUrl.
+    return encodedUrlLowerCase.contains(m_textToMatch, Qt::CaseSensitive);
+}
+
+bool AdBlockRuleTextMatchImpl::isTextMatchFilter(const QString &filter)
+{
+    // We don't deal with options just yet
+    if (filter.contains(QL1C('$')))
+        return false;
+
+    // We don't deal with element matching
+    if (filter.contains(QL1S("##")))
+        return false;
+
+    // We don't deal with the begin-end matching
+    if (filter.startsWith(QL1C('|')) || filter.endsWith(QL1C('|')))
+        return false;
+
+    // We only handle * at the beginning or the end
+    int starPosition = filter.indexOf(QL1C('*'));
+    while (starPosition >= 0) {
+        if (starPosition != 0 && starPosition != (filter.length() - 1))
+            return false;
+        starPosition = filter.indexOf(QL1C('*'), starPosition + 1);
+    }
+    return true;
+}