From 1143429887f61d8b3c74a4c3a1fafca632eb4b87 Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Thu, 25 May 2017 20:59:43 +0200
Subject: Filter code refactoring

---
 src/filter/regexp.cpp | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 src/filter/regexp.cpp

(limited to 'src/filter/regexp.cpp')

diff --git a/src/filter/regexp.cpp b/src/filter/regexp.cpp
new file mode 100644
index 0000000..1f3c449
--- /dev/null
+++ b/src/filter/regexp.cpp
@@ -0,0 +1,72 @@
+/*******************************************************************************
+ **
+ ** smolbote: yet another qute browser
+ ** Copyright (C) 2017  Xian Nox
+ **
+ ** 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 3 of the License, or
+ ** (at your option) any later version.
+ **
+ ** 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/>.
+ **
+ ******************************************************************************/
+
+#include "regexp.h"
+
+RegExp::RegExp(const QString &pattern, PatternOptions options) :
+    QRegularExpression()
+{
+    setPattern(pattern);
+    setPatternOptions(options);
+}
+
+bool RegExp::hasMatch(const QString &subject, int offset, MatchType matchType, MatchOptions matchOptions) const
+{
+    // Empty matches all
+    if(pattern().isEmpty()) {
+        return true;
+    }
+
+    return QRegularExpression::match(subject, offset, matchType, matchOptions).hasMatch();
+}
+
+void RegExp::setWildcardPattern(const QString &pattern)
+{
+    QString parsed;
+
+    for(int i=0; i<pattern.length(); i++) {
+        const QChar c = pattern.at(i);
+        switch (c.toLatin1()) {
+        case '*':
+            // remove * at the start and end
+            if(i != 0 && i != pattern.length()-1) {
+                parsed.append(".*");
+            }
+            break;
+        case '^':
+            parsed.append("(?:[^\\w\\d\\_\\-\\.\\%]|$)");
+            break;
+        case '|':
+            if(i == 0) {
+                // beginning of string
+                parsed.append('^');
+            } else {
+                // end of string
+                parsed.append('$');
+            }
+            break;
+        default:
+            parsed.append(c);
+            break;
+        }
+    }
+
+    setPattern(parsed);
+}
-- 
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