Use houdini escaping instead of easy_curl.

Drop dependency on easy_curl.

oldcode/curl_wrapper.hpp

@@ -0,0 +1,43 @@
+/* Copyright 2017, Michele Santullo
+ * This file is part of "tawashi".
+ *
+ * "tawashi" 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.
+ *
+ * "tawashi" 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 "tawashi".  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <boost/utility/string_ref.hpp>
+#include <string>
+#include <memory>
+
+typedef void CURL;
+
+namespace tawashi {
+	class CurlWrapper {
+	public:
+		typedef std::shared_ptr<CURL> CurlPtr;
+
+		CurlWrapper();
+		CurlWrapper (const CurlWrapper&) = delete;
+		~CurlWrapper() noexcept;
+
+		std::string escape (const boost::string_ref& parText) const;
+		std::string unescape (const boost::string_ref& parText) const;
+
+	private:
+		CurlPtr m_curl;
+	};
+
+	std::string unescape_string (const CurlWrapper& parCurl, const boost::string_ref& parString);
+} //namespace tawashi