Aegisub/aegisub/src/subtitle_format_encore.cpp

// Copyright (c) 2007, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
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//     this list of conditions and the following disclaimer.
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/// @file subtitle_format_encore.cpp
/// @brief Reading/writing Adobe Encore subtitle format
/// @ingroup subtitle_io
///

#include "config.h"

#include "subtitle_format_encore.h"

#include "ass_dialogue.h"
#include "ass_file.h"
#include "text_file_writer.h"

#include <libaegisub/of_type_adaptor.h>

#include <boost/algorithm/string/predicate.hpp>
#include <boost/format.hpp>

EncoreSubtitleFormat::EncoreSubtitleFormat()
: SubtitleFormat("Adobe Encore")
{
}

std::vector<std::string> EncoreSubtitleFormat::GetWriteWildcards() const {
	std::vector<std::string> formats;
	formats.push_back("encore.txt");
	return formats;
}

bool EncoreSubtitleFormat::CanWriteFile(agi::fs::path const& filename) const {
	return boost::iends_with(filename.string(), ".encore.txt");
}

void EncoreSubtitleFormat::WriteFile(const AssFile *src, agi::fs::path const& filename, std::string const&) const {
	agi::vfr::Framerate fps = AskForFPS(false, true);
	if (!fps.IsLoaded()) return;

	// Convert to encore
	AssFile copy(*src);
	copy.Sort();
	StripComments(copy);
	RecombineOverlaps(copy);
	MergeIdentical(copy);
	StripTags(copy);
	ConvertNewlines(copy, "\r\n");

	// Encore wants ; for NTSC and : for PAL
	// The manual suggests no other frame rates are supported
	SmpteFormatter ft(fps, fps.NeedsDropFrames() ? ";" : ":");

	// Write lines
	int i = 0;
	TextFileWriter file(filename, "UTF-8");
	for (auto current : copy.Line | agi::of_type<AssDialogue>())
		file.WriteLineToFile(str(boost::format("%i %s %s %s") % ++i % ft.ToSMPTE(current->Start) % ft.ToSMPTE(current->End) % current->Text));
}