1 files changed, 37 insertions, 0 deletions
diff --git a/Swiften/Base/Regex.cpp b/Swiften/Base/Regex.cpp
new file mode 100644
index 0000000..5e3d89a
--- /dev/null
+++ b/Swiften/Base/Regex.cpp
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2013 Kevin Smith
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+/*
+ * Copyright (c) 2012 Maciej Niedzielski
+ * Licensed under the simplified BSD license.
+ * See Documentation/Licenses/BSD-simplified.txt for more information.
+ */
+
+#include <Swiften/Base/Regex.h>
+
+#include <string>
+
+#include <boost/regex.hpp>
+
+namespace Swift {
+
+	namespace Regex {
+			std::string escape(const std::string& source) {
+				// escape regex special characters: ^.$| etc
+				// these need to be escaped: [\^\$\|.........]
+				// and then C++ requires '\' to be escaped, too....
+				static const boost::regex esc("([\\^\\.\\$\\|\\(\\)\\[\\]\\*\\+\\?\\/\\{\\}\\\\])");
+				// matched character should be prepended with '\'
+				// replace matched special character with \\\1
+				// and escape once more for C++ rules...
+				static const std::string rep("\\\\\\1");
+				return boost::regex_replace(source, esc, rep);
+			}
+
+	}
+
+}
+