forked from mia/Aegisub
a0d3dbc550
Add SubsController, which deals with things like what subtitle file is currently open, rather than the contents of the current subtitle file. Move the rest of the relevant logic from FrameMain there in addition to all of the stuff from AssFile.
129 lines
4.6 KiB
C++
129 lines
4.6 KiB
C++
// Copyright (c) 2007, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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/// @file subtitle_format_transtation.cpp
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/// @brief Reading/writing Transtation-compatible subtitles
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/// @ingroup subtitle_io
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///
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#include "config.h"
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#include <cstdio>
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#include "subtitle_format_transtation.h"
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#include "ass_dialogue.h"
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#include "ass_file.h"
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#include "ass_style.h"
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#include "ass_time.h"
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#include "text_file_writer.h"
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#include <libaegisub/of_type_adaptor.h>
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#include <boost/algorithm/string/predicate.hpp>
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#include <boost/filesystem/path.hpp>
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#include <boost/format.hpp>
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TranStationSubtitleFormat::TranStationSubtitleFormat()
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: SubtitleFormat("TranStation")
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{
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}
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std::vector<std::string> TranStationSubtitleFormat::GetWriteWildcards() const {
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std::vector<std::string> formats;
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formats.push_back("transtation.txt");
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return formats;
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}
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bool TranStationSubtitleFormat::CanWriteFile(agi::fs::path const& filename) const {
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return boost::iends_with(filename.string(), ".transtation.txt");
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}
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void TranStationSubtitleFormat::WriteFile(const AssFile *src, agi::fs::path const& filename, std::string const& encoding) const {
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agi::vfr::Framerate fps = AskForFPS(false, true);
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if (!fps.IsLoaded()) return;
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// Convert to TranStation
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AssFile copy(*src);
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copy.Sort();
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StripComments(copy);
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RecombineOverlaps(copy);
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MergeIdentical(copy);
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StripTags(copy);
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ConvertNewlines(copy, "\r\n");
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SmpteFormatter ft(fps);
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TextFileWriter file(filename, encoding);
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AssDialogue *prev = 0;
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for (auto cur : copy.Line | agi::of_type<AssDialogue>()) {
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if (prev) {
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file.WriteLineToFile(ConvertLine(©, prev, fps, ft, cur->Start));
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file.WriteLineToFile("");
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}
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prev = cur;
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}
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// flush last line
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if (prev)
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file.WriteLineToFile(ConvertLine(©, prev, fps, ft, -1));
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// Every file must end with this line
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file.WriteLineToFile("SUB[");
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}
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std::string TranStationSubtitleFormat::ConvertLine(AssFile *file, AssDialogue *current, agi::vfr::Framerate const& fps, SmpteFormatter const& ft, int nextl_start) const {
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int valign = 0;
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const char *halign = " "; // default is centered
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const char *type = "N"; // no special style
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if (AssStyle *style = file->GetStyle(current->Style)) {
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if (style->alignment >= 4) valign = 4;
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if (style->alignment >= 7) valign = 9;
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if (style->alignment == 1 || style->alignment == 4 || style->alignment == 7) halign = "L";
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if (style->alignment == 3 || style->alignment == 6 || style->alignment == 9) halign = "R";
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if (style->italic) type = "I";
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}
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// Hack: If an italics-tag (\i1) appears anywhere in the line,
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// make it all italics
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if (current->Text.get().find("\\i1") != std::string::npos) type = "I";
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// Write header
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AssTime end = current->End;
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// Subtract one frame if the end time of the current line is equal to the
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// start of next one, since the end timestamp is inclusive and the lines
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// would overlap if left as is.
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if (nextl_start > 0 && end == nextl_start)
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end = fps.TimeAtFrame(fps.FrameAtTime(end, agi::vfr::END) - 1, agi::vfr::END);
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std::string header = str(boost::format("SUB[%i%s%s %s>%s]\r\n") % valign % halign % type % ft.ToSMPTE(current->Start) % ft.ToSMPTE(end));
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return header + current->Text.get();
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}
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