1 files changed, 175 insertions, 0 deletions
diff --git a/include/ingen/URI.hpp b/include/ingen/URI.hpp
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+++ b/include/ingen/URI.hpp
@@ -0,0 +1,175 @@
+/*
+  This file is part of Ingen.
+  Copyright 2018 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or any later version.
+
+  Ingen 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 Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_URI_HPP
+#define INGEN_URI_HPP
+
+#include <ingen/FilePath.hpp>
+#include <ingen/ingen.h>
+#include <serd/serd.h>
+#include <sord/sordmm.hpp>
+
+#include <cstddef>
+#include <cstdint>
+#include <ostream>
+#include <string>
+#include <string_view>
+
+namespace ingen {
+
+class INGEN_API URI
+{
+public:
+	using Chunk = std::string_view;
+
+	URI();
+	explicit URI(const std::string& str);
+	explicit URI(const char* str);
+	URI(const std::string& str, const URI& base);
+	URI(const Sord::Node& node);
+	URI(const SerdNode& node);
+	explicit URI(const FilePath& path);
+
+	URI(const URI& uri);
+	URI& operator=(const URI& uri);
+
+	URI(URI&& uri) noexcept;
+	URI& operator=(URI&& uri) noexcept;
+
+	~URI();
+
+	URI make_relative(const URI& base) const;
+	URI make_relative(const URI& base, const URI& root) const;
+
+	bool empty() const { return !_node.buf; }
+
+	std::string string() const { return {c_str(), _node.n_bytes}; }
+	size_t      length() const { return _node.n_bytes; }
+
+	const char* c_str() const
+	{
+		return reinterpret_cast<const char*>(_node.buf);
+	}
+
+	FilePath file_path() const {
+		return scheme() == "file" ? FilePath(path()) : FilePath();
+	}
+
+	operator std::string() const { return string(); }
+
+	const char* begin() const
+	{
+		return reinterpret_cast<const char*>(_node.buf);
+	}
+
+	const char* end() const
+	{
+		return reinterpret_cast<const char*>(_node.buf) + _node.n_bytes;
+	}
+
+	Chunk scheme()    const { return make_chunk(_uri.scheme); }
+	Chunk authority() const { return make_chunk(_uri.authority); }
+	Chunk path()      const { return make_chunk(_uri.path); }
+	Chunk query()     const { return make_chunk(_uri.query); }
+	Chunk fragment()  const { return make_chunk(_uri.fragment); }
+
+	static bool is_valid(const char* str)
+	{
+		return serd_uri_string_has_scheme(
+		    reinterpret_cast<const uint8_t*>(str));
+	}
+
+	static bool is_valid(const std::string& str)
+	{
+		return is_valid(str.c_str());
+	}
+
+private:
+	URI(const SerdNode& node, const SerdURI& uri);
+
+	static Chunk make_chunk(const SerdChunk& chunk) {
+		return {reinterpret_cast<const char*>(chunk.buf), chunk.len};
+	}
+
+	SerdURI  _uri;
+	SerdNode _node;
+};
+
+inline bool operator==(const URI& lhs, const URI& rhs)
+{
+	return lhs.string() == rhs.string();
+}
+
+inline bool operator==(const URI& lhs, const std::string& rhs)
+{
+	return lhs.string() == rhs;
+}
+
+inline bool operator==(const URI& lhs, const char* rhs)
+{
+	return lhs.string() == rhs;
+}
+
+inline bool operator==(const URI& lhs, const Sord::Node& rhs)
+{
+	return rhs.type() == Sord::Node::URI && lhs.string() == rhs.to_string();
+}
+
+inline bool operator==(const Sord::Node& lhs, const URI& rhs)
+{
+	return rhs == lhs;
+}
+
+inline bool operator!=(const URI& lhs, const URI& rhs)
+{
+	return lhs.string() != rhs.string();
+}
+
+inline bool operator!=(const URI& lhs, const std::string& rhs)
+{
+	return lhs.string() != rhs;
+}
+
+inline bool operator!=(const URI& lhs, const char* rhs)
+{
+	return lhs.string() != rhs;
+}
+
+inline bool operator!=(const URI& lhs, const Sord::Node& rhs)
+{
+	return !(lhs == rhs);
+}
+
+inline bool operator!=(const Sord::Node& lhs, const URI& rhs)
+{
+	return !(lhs == rhs);
+}
+
+inline bool operator<(const URI& lhs, const URI& rhs)
+{
+	return lhs.string() < rhs.string();
+}
+
+template <typename Char, typename Traits>
+inline std::basic_ostream<Char, Traits>&
+operator<<(std::basic_ostream<Char, Traits>& os, const URI& uri)
+{
+	return os << uri.string();
+}
+
+} // namespace ingen
+
+#endif // INGEN_URI_HPP