3 files changed, 57 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);
+			}
+
+	}
+
+}
+ 
diff --git a/Swiften/Base/Regex.h b/Swiften/Base/Regex.h
new file mode 100644
index 0000000..6d12a60
--- /dev/null
+++ b/Swiften/Base/Regex.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2013 Kevin Smith
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#pragma once
+
+#include <string>
+
+#include <Swiften/Base/API.h>
+
+namespace Swift {
+
+	namespace Regex {
+		SWIFTEN_API std::string escape(const std::string& source);
+	}
+
+}
diff --git a/Swiften/Base/SConscript b/Swiften/Base/SConscript
index 4956fba..094059a 100644
--- a/Swiften/Base/SConscript
+++ b/Swiften/Base/SConscript
@@ -16,5 +16,6 @@ objects = swiften_env.SwiftenObject([
 			"BoostRandomGenerator.cpp",
 			"sleep.cpp",
 			"URL.cpp",
+			"Regex.cpp"
 		])
 swiften_env.Append(SWIFTEN_OBJECTS = [objects])