private static void MoveLineBreaksToSeparateSections(AssLine line)
{
for (int sectionIdx = line.Sections.Count - 1; sectionIdx >= 0; sectionIdx--)
{
AssSection section = (AssSection)line.Sections[sectionIdx];
Match match = Regex.Match(section.Text, @"((?:\r\n)+|[^\r\n]+)+");
if (!match.Success || match.Groups[1].Captures.Count == 1)
{
continue;
}
line.Sections.RemoveAt(sectionIdx);
for (int i = 0; i < match.Groups[1].Captures.Count; i++)
{
AssSection subSection = (AssSection)section.Clone();
subSection.Text = match.Groups[1].Captures[i].Value;
line.Sections.Insert(sectionIdx + i, subSection);
}
}
}
protected virtual void WriteLine(AssLine line, StreamWriter writer)
{
if (line.Sections.Count == 0)
{
return;
}
AssStyle style = GetStyleMatchingStructure((AssSection)line.Sections[0]);
WriteLineMetadata(line, style, writer);
AssSection prevSection = new AssSection();
AssStyle prevStyle = style;
ApplyStyle(prevSection, prevStyle);
AssLineContentBuilder lineContent = new AssLineContentBuilder();
AppendLineTags(line, style, lineContent);
RubyPart currentRubyPosition = RubyPart.None;
for (int i = 0; i < line.Sections.Count; i++)
{
AssSection section = (AssSection)line.Sections[i];
style = GetStyleMatchingStructure(section);
if (style != prevStyle || (currentRubyPosition != RubyPart.None && section.RubyPart == RubyPart.None))
{
lineContent.AppendTag("r", style);
currentRubyPosition = RubyPart.None;
prevSection = (AssSection)prevSection.Clone();
ApplyStyle(prevSection, style);
}
AppendSectionTags(section, prevSection, lineContent);
if (section.RubyPart == RubyPart.Text)
{
RubyPart rubyPart;
if (i + 4 > line.Sections.Count || ((rubyPart = line.Sections[i + 2].RubyPart) != RubyPart.RubyAbove && rubyPart != RubyPart.RubyBelow))
{
throw new InvalidDataException("Invalid ruby sequence");
}
if (rubyPart != currentRubyPosition)
{
lineContent.AppendTag("ytruby", rubyPart == RubyPart.RubyAbove ? 8 : 2);
currentRubyPosition = rubyPart;
}
lineContent.AppendText($"[{section.Text}/{line.Sections[i + 2].Text}]");
i += 3;
}
else
{
lineContent.AppendText(section.Text);
}
prevSection = section;
prevStyle = style;
}
writer.WriteLine(lineContent);
}