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/*
Copyright (C) 2012-2014 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.
*/
#ifndef LIBDCP_SUBTITLE_CONTENT_H
#define LIBDCP_SUBTITLE_CONTENT_H
#include "content.h"
#include "dcp_time.h"
#include "subtitle_string.h"
#include <libcxml/cxml.h>
namespace dcp
{
class SubtitleString;
class Font;
class Text;
class Subtitle;
class LoadFont;
/** @class SubtitleContent
* @brief A representation of an XML or MXF file containing subtitles.
*
* XXX: perhaps this should inhert from MXF, or there should be different
* classes for XML and MXF subs.
*/
class SubtitleContent : public Content
{
public:
/** Construct a SubtitleContent.
* @param file Filename.
* @param mxf true if the file is an MXF file, false for XML.
*/
SubtitleContent (boost::filesystem::path file, bool mxf);
SubtitleContent (std::string movie_title, std::string language);
bool equals (
boost::shared_ptr<const Asset>,
EqualityOptions,
boost::function<void (NoteType, std::string)> note
) const {
/* XXX */
note (DCP_ERROR, "subtitle content not compared yet");
return true;
}
std::string language () const {
return _language;
}
std::list<SubtitleString> subtitles_at (Time t) const;
std::list<SubtitleString> const & subtitles () const {
return _subtitles;
}
void add (SubtitleString);
void write_xml (boost::filesystem::path) const;
Glib::ustring xml_as_string () const;
Time latest_subtitle_out () const;
protected:
std::string pkl_type (Standard) const {
return "text/xml";
}
std::string asdcp_kind () const {
return "Subtitle";
}
private:
std::string font_id_to_name (std::string id) const;
struct ParseState {
std::list<boost::shared_ptr<Font> > font_nodes;
std::list<boost::shared_ptr<Text> > text_nodes;
std::list<boost::shared_ptr<Subtitle> > subtitle_nodes;
};
void maybe_add_subtitle (std::string text, ParseState const & parse_state);
void examine_font_nodes (
cxml::ConstNodePtr xml,
std::list<boost::shared_ptr<Font> > const & font_nodes,
ParseState& parse_state
);
void examine_text_nodes (
cxml::ConstNodePtr xml,
std::list<boost::shared_ptr<Text> > const & text_nodes,
ParseState& parse_state
);
boost::optional<std::string> _movie_title;
/* strangely, this is sometimes a string */
std::string _reel_number;
std::string _language;
std::list<boost::shared_ptr<LoadFont> > _load_font_nodes;
std::list<SubtitleString> _subtitles;
};
}
#endif
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