uri.hpp

/*  This file is part of remwharead.
 *  Copyright © 2019 tastytea <tastytea@tastytea.de>
 *
 *  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, version 3.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef REMWHAREAD_URI_HPP
#define REMWHAREAD_URI_HPP

#include <cstdint>
#include <string>

namespace remwharead
{
using std::uint16_t;
using std::string;

struct html_extract
{
    bool successful = false;
    string error;
    string title;
    string description;
    string fulltext;

    explicit operator bool();
};

struct archive_answer
{
    bool successful = false;
    string error;
    string uri;

    explicit operator bool();
};

class URI
{
public:
    explicit URI(string uri);
    virtual ~URI();

    URI(const URI &other) = default;
    URI &operator=(const URI &other) = default;
    URI(URI &&other) = default;
    URI &operator=(URI &&other) = default;

    [[nodiscard]]
    html_extract get();

    [[nodiscard]]
    archive_answer archive() const;

protected:
    string _uri;

    [[nodiscard]]
    string make_request(const string &uri, bool archive = false) const;

    [[nodiscard]]
    string extract_title(const string &html) const;

    [[nodiscard]]
    string extract_description(const string &html) const;

    [[nodiscard]]
    string strip_html(const string &html) const;

    [[nodiscard]]
    string remove_html_tags(const string &html, const string &tag = "") const;

    [[nodiscard]]
    string unescape_html(string html) const;

    [[nodiscard]]
    string remove_newlines(string text) const;

    void set_proxy();

    [[nodiscard]]
    string cut_text(const string &text, uint16_t n_chars) const;
};
} // namespace remwharead

#endif  // REMWHAREAD_URI_HPP