/* myhtmlparse.h: subclass of HtmlParser for extracting text
 *
 * Copyright 1999,2000,2001 BrightStation PLC
 * Copyright 2002,2003,2004,2006,2008,2010,2011,2012,2013,2016,2017 Olly Betts
 *
 * 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 2 of the
 * License, or (at your option) any later version.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

#ifndef OMEGA_INCLUDED_MYHTMLPARSE_H
#define OMEGA_INCLUDED_MYHTMLPARSE_H

#include "htmlparse.h"

#include <ctime>

// FIXME: Should we include \xa0 which is non-breaking space in iso-8859-1, but
// not in all charsets and perhaps spans of all \xa0 should become a single
// \xa0?
#define WHITESPACE " \t\n\r"

class MyHtmlParser : public HtmlParser {
    public:
	int pending_space;
	bool in_script_tag;
	bool in_style_tag;
	bool indexing_allowed;
	bool ignoring_metarobots;
	bool charset_from_meta;
	bool description_as_sample;
	string title, sample, keywords, dump, author, topic;
	time_t created;
	string * target;

	void process_text(const string &text);
	bool opening_tag(const string &tag);
	bool closing_tag(const string &tag);
	void parse_html(const string &text, const string &charset_,
			bool charset_from_meta_);
	void ignore_metarobots() { ignoring_metarobots = true; }
	MyHtmlParser() :
		pending_space(0),
		in_script_tag(false),
		in_style_tag(false),
		indexing_allowed(true),
		ignoring_metarobots(false),
		charset_from_meta(false),
		description_as_sample(false),
		created(time_t(-1)),
		target(&dump) { }

	void reset() {
	    pending_space = 0;
	    in_script_tag = false;
	    in_style_tag = false;
	    indexing_allowed = true;
	    ignoring_metarobots = false;
	    charset_from_meta = false;
	    description_as_sample = false;
	    title.resize(0);
	    sample.resize(0);
	    keywords.resize(0);
	    dump.resize(0);
	    author.resize(0);
	    topic.resize(0);
	    created = time_t(-1);
	    target = &dump;
	}
};

#endif // OMEGA_INCLUDED_MYHTMLPARSE_H
