Move JSON helpers to libdevcore/json

libdevcore/JSON.h

@@ -0,0 +1,44 @@
+/*
+	This file is part of cpp-ethereum.
+
+	cpp-ethereum 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.
+
+	cpp-ethereum 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 cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file JSON.h
+ * @date 2016
+ *
+ * JSON related helpers
+ */
+
+#pragma once
+
+#include <json/json.h>
+
+namespace dev
+{
+
+/// Serialise the JSON object (@a _input) with identation
+std::string jsonPrettyPrint(Json::Value const& _input)
+{
+	return Json::StyledWriter().write(_input);
+}
+
+/// Serialise theJ SON object (@a _input) without identation
+std::string jsonCompactPrint(Json::Value const& _input)
+{
+	Json::FastWriter writer;
+	writer.omitEndingLineFeed();
+	return writer.write(_input);
+}
+
+}