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/*
Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file src/ssa_reader.h
* @brief SSAReader class.
*/
#ifndef LIBSUB_SSA_READER_H
#define LIBSUB_SSA_READER_H
#include "reader.h"
#include <boost/function.hpp>
namespace sub {
/** @class SSAReader
* @brief Reader for SubStation Alpha (SSA) and Advanced Substation Alpha (ASS) subtitles.
*
* This reader implements some of the SSA and ASS "standards", as gathered from various
* documents on the web.
*/
class SSAReader : public Reader
{
public:
SSAReader (FILE* f);
SSAReader (std::string subs);
class Context
{
public:
Context(int play_res_x_, int play_res_y_, Colour primary_colour_, int left_margin_ = 0, int right_margin_ = 0)
: play_res_x(play_res_x_)
, play_res_y(play_res_y_)
, primary_colour(primary_colour_)
, left_margin(left_margin_)
, right_margin(right_margin_)
{}
int play_res_x;
int play_res_y;
Colour primary_colour;
int left_margin;
int right_margin;
void update_horizontal_position(RawSubtitle& sub) const;
};
static std::vector<RawSubtitle> parse_line(RawSubtitle base, std::string line, Context const& context);
static void parse_tag(RawSubtitle& sub, std::string style, Context const& context);
private:
void read (boost::function<boost::optional<std::string> ()> get_line);
Time parse_time (std::string t) const;
};
}
#endif
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