lib_uri.h

/*****************************************************************************
* Multiscale Universal Interface Code Coupling Library                       *
*                                                                            *
* Copyright (C) 2019 Y. H. Tang, S. Kudo, X. Bian, Z. Li, G. E. Karniadakis  *
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* This software is jointly licensed under the Apache License, Version 2.0    *
* and the GNU General Public License version 3, you may use it according     *
* to either.                                                                 *
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* ** Apache License, version 2.0 **                                          *
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* http://www.apache.org/licenses/LICENSE-2.0                                 *
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* See the License for the specific language governing permissions and        *
* limitations under the License.                                             *
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* ** GNU General Public License, version 3 **                                *
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* This program 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          *
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* This program is distributed in the hope that it will be useful,            *
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*****************************************************************************/

/**
 * @file lib_uri.h
 * @author Y. H. Tang
 * @date 14 March 2014
 * @brief Base class to contain and manipulate a unique URI (Uniform Resource
 * Identifier).
 */

#ifndef LIB_URI_H_
#define LIB_URI_H_

#include "util.h"

namespace mui {

class uri {
public:
	uri(const std::string& url_s) {
		parse(url_s);
	}
	uri(const char url_c[]) {
		parse(url_c);
	}
	const std::string& protocol() const { return protocol_; }
	const std::string& host()     const { return host_; }
	const std::string& path()     const { return path_; }

	uri( const uri &another ) = delete;
	uri& operator = ( const uri &another ) = delete;
private:
	void parse(const std::string& url_s) {
		// "__protocol__://__host__/__path__"
		std::size_t prot_end = url_s.find("://");
		protocol_ = url_s.substr(0,prot_end);
		std::size_t host_end = url_s.find("/",prot_end+3);
		host_ = url_s.substr(prot_end+3,host_end-prot_end-3);
		path_ = url_s.substr(host_end+1);

		std::transform(protocol_.begin(), protocol_.end(), protocol_.begin(), ::tolower);
		std::transform(host_.begin(), host_.end(), host_.begin(), ::tolower);
	}

	std::string protocol_, host_, path_;
};

}

#endif /* LIB_URI_H_ */