118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
/* 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 <string>
|
|
|
|
namespace remwharead
|
|
{
|
|
using std::string;
|
|
|
|
/*!
|
|
* @brief A processed HTML page.
|
|
*
|
|
* @return true if successful, when cast to bool.
|
|
*
|
|
* @since 0.7.0
|
|
*
|
|
* @headerfile uri.hpp remwharead/uri.hpp
|
|
*/
|
|
typedef struct html_extract
|
|
{
|
|
bool successful = false;
|
|
string error;
|
|
string title;
|
|
string description;
|
|
string fulltext;
|
|
|
|
operator bool();
|
|
} html_extract;
|
|
|
|
/*!
|
|
* @brief The result of the call to the archive service.
|
|
*
|
|
* @return true if successful, when cast to bool.
|
|
*
|
|
* @since 0.7.0
|
|
*
|
|
* @headerfile uri.hpp remwharead/uri.hpp
|
|
*/
|
|
typedef struct archive_answer
|
|
{
|
|
bool successful = false;
|
|
string error;
|
|
string uri;
|
|
|
|
operator bool();
|
|
} archive_answer;
|
|
|
|
/*!
|
|
* @brief Download, archive and process an %URI.
|
|
*
|
|
* @since 0.6.0
|
|
*
|
|
* @headerfile uri.hpp remwharead/uri.hpp
|
|
*/
|
|
class URI
|
|
{
|
|
public:
|
|
//! Construct object and set URL.
|
|
explicit URI(const string &uri);
|
|
virtual ~URI();
|
|
|
|
//! Download %URI and extract title, description and full text.
|
|
const html_extract get();
|
|
|
|
//! Save %URI in archive and return archive-URI.
|
|
const archive_answer archive();
|
|
|
|
protected:
|
|
string _uri;
|
|
|
|
//! Make a HTTP(S) request.
|
|
const string make_request(const string &uri,
|
|
bool archive = false) const;
|
|
|
|
//! Extract the title from an HTML page.
|
|
const string extract_title(const string &html);
|
|
|
|
//! Extract the description from an HTML page.
|
|
const string extract_description(const string &html);
|
|
|
|
//! Removes HTML tags and superflous spaces from an HTML page.
|
|
const string strip_html(const string &html);
|
|
|
|
/*!
|
|
* @brief Remove HTML tags.
|
|
*
|
|
* @param html HTML page.
|
|
* @param tag If set, only remove this tag.
|
|
*/
|
|
const string remove_html_tags(const string &html,
|
|
const string &tag = "");
|
|
|
|
//! Convert HTML entities to UTF-8.
|
|
const string unescape_html(const string &html);
|
|
|
|
//! Replace newlines with spaces.
|
|
const string remove_newlines(string text);
|
|
};
|
|
}
|
|
|
|
#endif // REMWHAREAD_URI_HPP
|