mirror of https://github.com/odrling/Aegisub
132 lines
4.7 KiB
C++
132 lines
4.7 KiB
C++
// Copyright (c) 2006, 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_ass.cpp
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/// @brief Reading/writing of SSA-lineage subtitles
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/// @ingroup subtitle_io
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///
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#include "config.h"
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#include "subtitle_format_ass.h"
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#include "ass_file.h"
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#include "ass_parser.h"
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#include "text_file_reader.h"
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#include "text_file_writer.h"
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#include "version.h"
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#include <libaegisub/fs.h>
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DEFINE_SIMPLE_EXCEPTION(AssParseError, SubtitleFormatParseError, "subtitle_io/parse/ass")
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AssSubtitleFormat::AssSubtitleFormat()
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: SubtitleFormat("Advanced Substation Alpha")
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{
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}
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std::vector<std::string> AssSubtitleFormat::GetReadWildcards() const {
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std::vector<std::string> formats;
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formats.push_back("ass");
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formats.push_back("ssa");
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return formats;
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}
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std::vector<std::string> AssSubtitleFormat::GetWriteWildcards() const {
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std::vector<std::string> formats;
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formats.push_back("ass");
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formats.push_back("ssa");
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return formats;
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}
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void AssSubtitleFormat::ReadFile(AssFile *target, agi::fs::path const& filename, std::string const& encoding) const {
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TextFileReader file(filename, encoding);
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int version = !agi::fs::HasExtension(filename, "ssa");
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AssParser parser(target, version);
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while (file.HasMoreLines()) {
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std::string line = file.ReadLineFromFile();
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try {
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parser.AddLine(line);
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}
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catch (const char *err) {
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throw AssParseError("Error processing line: " + line + ": " + err, nullptr);
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}
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}
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}
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#ifdef _WIN32
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#define LINEBREAK "\r\n"
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#else
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#define LINEBREAK "\n"
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#endif
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static inline std::string format(AssEntryGroup group, bool ssa) {
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if (group == AssEntryGroup::DIALOGUE) {
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if (ssa)
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return "Format: Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text" LINEBREAK;
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else
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return "Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text" LINEBREAK;
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}
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if (group == AssEntryGroup::STYLE) {
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if (ssa)
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return "Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, TertiaryColour, BackColour, Bold, Italic, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, AlphaLevel, Encoding" LINEBREAK;
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else
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return "Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding" LINEBREAK;
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}
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return "";
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}
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void AssSubtitleFormat::WriteFile(const AssFile *src, agi::fs::path const& filename, std::string const& encoding) const {
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TextFileWriter file(filename, encoding);
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file.WriteLineToFile("[Script Info]");
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file.WriteLineToFile(std::string("; Script generated by Aegisub ") + GetAegisubLongVersionString());
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file.WriteLineToFile("; http://www.aegisub.org/");
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bool ssa = agi::fs::HasExtension(filename, "ssa");
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AssEntryGroup group = AssEntryGroup::INFO;
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for (auto const& line : src->Line) {
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if (line.Group() != group) {
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// Add a blank line between each group
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file.WriteLineToFile("");
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file.WriteLineToFile(line.GroupHeader(ssa));
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file.WriteLineToFile(format(line.Group(), ssa), false);
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group = line.Group();
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}
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file.WriteLineToFile(ssa ? line.GetSSAText() : line.GetEntryData());
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}
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}
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