Added RegExp class for the Blocker

1 files changed, 68 insertions, 0 deletions

diff --git a/src/webengine/regexp.cpp b/src/webengine/regexp.cpp
new file mode 100644
index 0000000..4a5878a
--- /dev/null
+++ b/src/webengine/regexp.cpp
@@ -0,0 +1,68 @@
+/** LICENSE ********************************************************************
+ **
+ ** 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() :
+    QRegularExpression()
+{
+}
+
+bool RegExp::match(const QString &subject, int offset, MatchType matchType, MatchOptions matchOptions) const
+{
+    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);
+}