Move string distance function to utils and format error message

1 files changed, 35 insertions, 0 deletions

diff --git a/libdevcore/StringUtils.h b/libdevcore/StringUtils.h
new file mode 100644
index 00000000..d3f9f8d9
--- /dev/null
+++ b/libdevcore/StringUtils.h
@@ -0,0 +1,35 @@
+/*
+	This file is part of solidity.
+
+	solidity 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.
+
+	solidity 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 solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file StringUtils.h
+ * @author Balajiganapathi S <balajiganapathi.s@gmail.com>
+ * @date 2017
+ *
+ * String routines
+ */
+
+#pragma once
+
+#include <string>
+
+namespace dev
+{
+
+/// Calculates the Damerau–Levenshtein distance between @a _name1 and @a _name2 and
+/// @returns true if that distance is not greater than @a _maxDistance
+bool stringWithinDistance(std::string const& _name1, std::string const& _name2, size_t _maxDistance);
+
+}