mirror of https://github.com/odrling/Aegisub
140 lines
4.4 KiB
C++
140 lines
4.4 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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//
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// $Id$
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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_dialogue.h"
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#include "compat.h"
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#include "text_file_reader.h"
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#include "text_file_writer.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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wxArrayString ASSSubtitleFormat::GetReadWildcards() const {
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wxArrayString formats;
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formats.Add("ass");
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formats.Add("ssa");
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return formats;
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}
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wxArrayString ASSSubtitleFormat::GetWriteWildcards() const {
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wxArrayString formats;
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formats.Add("ass");
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formats.Add("ssa");
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return formats;
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}
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void ASSSubtitleFormat::ReadFile(wxString const& filename, wxString const& encoding) {
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using namespace std;
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TextFileReader file(filename, encoding);
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int version = filename.Right(4).Lower() != ".ssa";
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wxString curgroup;
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while (file.HasMoreLines()) {
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wxString line = file.ReadLineFromFile();
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// Make sure that the first non-blank non-comment non-group-header line
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// is really [Script Info]
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if (curgroup.empty() && !line.empty() && line[0] != ';' && line[0] != '[') {
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curgroup = "[Script Info]";
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AddLine(curgroup, curgroup, version, &curgroup);
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}
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// Convert v4 styles to v4+ styles
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if (!line.empty() && line[0] == '[') {
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// Ugly hacks to allow intermixed v4 and v4+ style sections
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wxString low = line.Lower();
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if (low == "[v4 styles]") {
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line = "[V4+ Styles]";
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curgroup = line;
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version = 0;
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}
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else if (low == "[v4+ styles]") {
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line = "[V4+ Styles]";
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curgroup = line;
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version = 1;
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}
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else if (low == "[v4++ styles]") {
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line = "[V4+ Styles]";
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curgroup = line;
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version = 2;
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}
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// Not-so-special case for other groups, just set it
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else {
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curgroup = line;
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}
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}
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try {
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AddLine(line, curgroup, version, &curgroup);
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}
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catch (const char *err) {
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Clear();
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throw AssParseError("Error processing line: " + STD_STR(line) + ": " + err, 0);
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}
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}
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}
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void ASSSubtitleFormat::WriteFile(wxString const& filename, wxString const& encoding) {
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TextFileWriter file(filename, encoding);
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bool ssa = filename.Right(4).Lower() == ".ssa";
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std::list<AssEntry*>::iterator last = Line->end(); --last;
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wxString group = Line->front()->group;
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for (std::list<AssEntry*>::iterator cur=Line->begin(); cur!=Line->end(); ++cur) {
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// Add a blank line between each group
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if ((*cur)->group != group) {
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file.WriteLineToFile("");
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group = (*cur)->group;
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}
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// Only add a line break if there is a next line
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bool lineBreak = cur != last;
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// Write line
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if (ssa) file.WriteLineToFile((*cur)->GetSSAText(), lineBreak);
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else file.WriteLineToFile((*cur)->GetEntryData(), lineBreak);
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}
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}
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