[InlineData(InvariantDialoguePrefix + "start {\\fnFont Name}text1 {\\fs10}text2{\\fs}{\\fn} {\\1c&H112233}text3{\\1c} end", "start <font face=\"Font Name\">text1 <font size=\"10\">text2</font></font> <font color=\"#332211\">text3</font> end")] // nested formatting
public void Parse(string ssa, string expectedText)
{
using (Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(ssa)))
{
SubtitleTrackInfo subtitleTrackInfo = parser.Parse(stream, CancellationToken.None);
SubtitleTrackEvent actual = subtitleTrackInfo.TrackEvents[0];
Assert.Equal(expectedText, actual.Text);
}
}
public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken)
{
var trackInfo = new SubtitleTrackInfo();
using ( var reader = new StreamReader(stream))
{
string line;
while ((line = reader.ReadLine()) != null)
{
cancellationToken.ThrowIfCancellationRequested();
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
var subEvent = new SubtitleTrackEvent {Id = line};
line = reader.ReadLine();
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
var time = Regex.Split(line, @"[\t ]*-->[\t ]*");
if (time.Length < 2)
{
// This occurs when subtitle text has an empty line as part of the text.
// Need to adjust the break statement below to resolve this.
_logger.Warn("Unrecognized line in srt: {0}", line);
continue;
}
subEvent.StartPositionTicks = GetTicks(time[0]);
var endTime = time[1];
var idx = endTime.IndexOf(" ", StringComparison.Ordinal);
if (idx > 0)
endTime = endTime.Substring(0, idx);
subEvent.EndPositionTicks = GetTicks(endTime);
var multiline = new List<string>();
while ((line = reader.ReadLine()) != null)
{
if (string.IsNullOrEmpty(line))
{
break;
}
multiline.Add(line);
}
subEvent.Text = string.Join(ParserValues.NewLine, multiline);
subEvent.Text = subEvent.Text.Replace(@"\N", ParserValues.NewLine, StringComparison.OrdinalIgnoreCase);
subEvent.Text = Regex.Replace(subEvent.Text, @"\{(\\[\w]+\(?([\w\d]+,?)+\)?)+\}", string.Empty, RegexOptions.IgnoreCase);
subEvent.Text = Regex.Replace(subEvent.Text, "<", "<", RegexOptions.IgnoreCase);
subEvent.Text = Regex.Replace(subEvent.Text, ">", ">", RegexOptions.IgnoreCase);
subEvent.Text = Regex.Replace(subEvent.Text, "<(\\/?(font|b|u|i|s))((\\s+(\\w|\\w[\\w\\-]*\\w)(\\s*=\\s*(?:\\\".*?\\\"|'.*?'|[^'\\\">\\s]+))?)+\\s*|\\s*)(\\/?)>", "<$1$3$7>", RegexOptions.IgnoreCase);
trackInfo.TrackEvents.Add(subEvent);
}
}
return trackInfo;
}
public void Parse_MultipleDialogues(string ssa, IReadOnlyList <SubtitleTrackEvent> expectedSubtitleTrackEvents)
{
using (Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(ssa)))
{
SubtitleTrackInfo subtitleTrackInfo = parser.Parse(stream, CancellationToken.None);
Assert.Equal(expectedSubtitleTrackEvents.Count, subtitleTrackInfo.TrackEvents.Count);
for (int i = 0; i < expectedSubtitleTrackEvents.Count; ++i)
{
SubtitleTrackEvent expected = expectedSubtitleTrackEvents[i];
SubtitleTrackEvent actual = subtitleTrackInfo.TrackEvents[i];
Assert.Equal(expected.StartPositionTicks, actual.StartPositionTicks);
Assert.Equal(expected.EndPositionTicks, actual.EndPositionTicks);
Assert.Equal(expected.Text, actual.Text);
}
}
}
public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken)
{
var trackInfo = new SubtitleTrackInfo();
var eventIndex = 1;
using (var reader = new StreamReader(stream))
{
string line;
while (reader.ReadLine() != "[Events]")
{}
var headers = ParseFieldHeaders(reader.ReadLine());
while ((line = reader.ReadLine()) != null)
{
cancellationToken.ThrowIfCancellationRequested();
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
if(line.StartsWith("["))
break;
if(string.IsNullOrEmpty(line))
continue;
var subEvent = new SubtitleTrackEvent { Id = eventIndex.ToString(_usCulture) };
eventIndex++;
var sections = line.Substring(10).Split(',');
subEvent.StartPositionTicks = GetTicks(sections[headers["Start"]]);
subEvent.EndPositionTicks = GetTicks(sections[headers["End"]]);
subEvent.Text = string.Join(",", sections.Skip(headers["Text"]));
RemoteNativeFormatting(subEvent);
subEvent.Text = subEvent.Text.Replace("\\n", ParserValues.NewLine, StringComparison.OrdinalIgnoreCase);
subEvent.Text = Regex.Replace(subEvent.Text, @"\{(\\[\w]+\(?([\w\d]+,?)+\)?)+\}", string.Empty, RegexOptions.IgnoreCase);
trackInfo.TrackEvents.Add(subEvent);
}
}
return trackInfo;
}
/// <summary>
/// Credit: https://github.com/SubtitleEdit/subtitleedit/blob/master/src/Logic/SubtitleFormats/AdvancedSubStationAlpha.cs
/// </summary>
private void RemoteNativeFormatting(SubtitleTrackEvent p)
{
int indexOfBegin = p.Text.IndexOf('{');
string pre = string.Empty;
while (indexOfBegin >= 0 && p.Text.IndexOf('}') > indexOfBegin)
{
string s = p.Text.Substring(indexOfBegin);
if (s.StartsWith("{\\an1}", StringComparison.Ordinal) ||
s.StartsWith("{\\an2}", StringComparison.Ordinal) ||
s.StartsWith("{\\an3}", StringComparison.Ordinal) ||
s.StartsWith("{\\an4}", StringComparison.Ordinal) ||
s.StartsWith("{\\an5}", StringComparison.Ordinal) ||
s.StartsWith("{\\an6}", StringComparison.Ordinal) ||
s.StartsWith("{\\an7}", StringComparison.Ordinal) ||
s.StartsWith("{\\an8}", StringComparison.Ordinal) ||
s.StartsWith("{\\an9}", StringComparison.Ordinal))
{
pre = s.Substring(0, 6);
}
else if (s.StartsWith("{\\an1\\", StringComparison.Ordinal) ||
s.StartsWith("{\\an2\\", StringComparison.Ordinal) ||
s.StartsWith("{\\an3\\", StringComparison.Ordinal) ||
s.StartsWith("{\\an4\\", StringComparison.Ordinal) ||
s.StartsWith("{\\an5\\", StringComparison.Ordinal) ||
s.StartsWith("{\\an6\\", StringComparison.Ordinal) ||
s.StartsWith("{\\an7\\", StringComparison.Ordinal) ||
s.StartsWith("{\\an8\\", StringComparison.Ordinal) ||
s.StartsWith("{\\an9\\", StringComparison.Ordinal))
{
pre = s.Substring(0, 5) + "}";
}
int indexOfEnd = p.Text.IndexOf('}');
p.Text = p.Text.Remove(indexOfBegin, (indexOfEnd - indexOfBegin) + 1);
indexOfBegin = p.Text.IndexOf('{');
}
p.Text = pre + p.Text;
}
public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken)
{
var trackInfo = new SubtitleTrackInfo();
using (var reader = new StreamReader(stream))
{
bool eventsStarted = false;
string[] format = "Marked, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text".Split(',');
int indexLayer = 0;
int indexStart = 1;
int indexEnd = 2;
int indexStyle = 3;
int indexName = 4;
int indexEffect = 8;
int indexText = 9;
int lineNumber = 0;
var header = new StringBuilder();
string line;
while ((line = reader.ReadLine()) != null)
{
cancellationToken.ThrowIfCancellationRequested();
lineNumber++;
if (!eventsStarted)
header.AppendLine(line);
if (line.Trim().ToLower() == "[events]")
{
eventsStarted = true;
}
else if (!string.IsNullOrEmpty(line) && line.Trim().StartsWith(";"))
{
// skip comment lines
}
else if (eventsStarted && line.Trim().Length > 0)
{
string s = line.Trim().ToLower();
if (s.StartsWith("format:"))
{
if (line.Length > 10)
{
format = line.ToLower().Substring(8).Split(',');
for (int i = 0; i < format.Length; i++)
{
if (format[i].Trim().ToLower() == "layer")
indexLayer = i;
else if (format[i].Trim().ToLower() == "start")
indexStart = i;
else if (format[i].Trim().ToLower() == "end")
indexEnd = i;
else if (format[i].Trim().ToLower() == "text")
indexText = i;
else if (format[i].Trim().ToLower() == "effect")
indexEffect = i;
else if (format[i].Trim().ToLower() == "style")
indexStyle = i;
}
}
}
else if (!string.IsNullOrEmpty(s))
{
string text = string.Empty;
string start = string.Empty;
string end = string.Empty;
string style = string.Empty;
string layer = string.Empty;
string effect = string.Empty;
string name = string.Empty;
string[] splittedLine;
if (s.StartsWith("dialogue:"))
splittedLine = line.Substring(10).Split(',');
else
splittedLine = line.Split(',');
for (int i = 0; i < splittedLine.Length; i++)
{
if (i == indexStart)
start = splittedLine[i].Trim();
else if (i == indexEnd)
end = splittedLine[i].Trim();
else if (i == indexLayer)
layer = splittedLine[i];
else if (i == indexEffect)
effect = splittedLine[i];
else if (i == indexText)
text = splittedLine[i];
else if (i == indexStyle)
style = splittedLine[i];
else if (i == indexName)
name = splittedLine[i];
else if (i > indexText)
text += "," + splittedLine[i];
}
try
{
var p = new SubtitleTrackEvent();
p.StartPositionTicks = GetTimeCodeFromString(start);
p.EndPositionTicks = GetTimeCodeFromString(end);
p.Text = GetFormattedText(text);
trackInfo.TrackEvents.Add(p);
}
catch
{
}
}
}
}
//if (header.Length > 0)
//subtitle.Header = header.ToString();
//subtitle.Renumber(1);
}
return trackInfo;
}
