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path: root/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs
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Diffstat (limited to 'MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs')
-rw-r--r--MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs216
1 files changed, 145 insertions, 71 deletions
diff --git a/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs b/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs
index b94d45165..a5d641747 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/SsaParser.cs
@@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
+using System.Globalization;
using System.IO;
using System.Text;
using System.Threading;
@@ -8,10 +9,11 @@ using MediaBrowser.Model.MediaInfo;
namespace MediaBrowser.MediaEncoding.Subtitles
{
/// <summary>
- /// Credit to https://github.com/SubtitleEdit/subtitleedit/blob/a299dc4407a31796364cc6ad83f0d3786194ba22/src/Logic/SubtitleFormats/SubStationAlpha.cs
+ /// <see href="https://github.com/SubtitleEdit/subtitleedit/blob/a299dc4407a31796364cc6ad83f0d3786194ba22/src/Logic/SubtitleFormats/SubStationAlpha.cs">Credit</see>.
/// </summary>
public class SsaParser : ISubtitleParser
{
+ /// <inheritdoc />
public SubtitleTrackInfo Parse(Stream stream, CancellationToken cancellationToken)
{
var trackInfo = new SubtitleTrackInfo();
@@ -41,38 +43,52 @@ namespace MediaBrowser.MediaEncoding.Subtitles
lineNumber++;
if (!eventsStarted)
+ {
header.AppendLine(line);
+ }
- if (line.Trim().ToLowerInvariant() == "[events]")
+ if (string.Equals(line.Trim(), "[events]", StringComparison.OrdinalIgnoreCase))
{
eventsStarted = true;
}
- else if (!string.IsNullOrEmpty(line) && line.Trim().StartsWith(";"))
+ else if (!string.IsNullOrEmpty(line) && line.Trim().StartsWith(";", StringComparison.Ordinal))
{
// skip comment lines
}
else if (eventsStarted && line.Trim().Length > 0)
{
string s = line.Trim().ToLowerInvariant();
- if (s.StartsWith("format:"))
+ if (s.StartsWith("format:", StringComparison.Ordinal))
{
if (line.Length > 10)
{
format = line.ToLowerInvariant().Substring(8).Split(',');
for (int i = 0; i < format.Length; i++)
{
- if (format[i].Trim().ToLowerInvariant() == "layer")
+ if (string.Equals(format[i].Trim(), "layer", StringComparison.OrdinalIgnoreCase))
+ {
indexLayer = i;
- else if (format[i].Trim().ToLowerInvariant() == "start")
+ }
+ else if (string.Equals(format[i].Trim(), "start", StringComparison.OrdinalIgnoreCase))
+ {
indexStart = i;
- else if (format[i].Trim().ToLowerInvariant() == "end")
+ }
+ else if (string.Equals(format[i].Trim(), "end", StringComparison.OrdinalIgnoreCase))
+ {
indexEnd = i;
- else if (format[i].Trim().ToLowerInvariant() == "text")
+ }
+ else if (string.Equals(format[i].Trim(), "text", StringComparison.OrdinalIgnoreCase))
+ {
indexText = i;
- else if (format[i].Trim().ToLowerInvariant() == "effect")
+ }
+ else if (string.Equals(format[i].Trim(), "effect", StringComparison.OrdinalIgnoreCase))
+ {
indexEffect = i;
- else if (format[i].Trim().ToLowerInvariant() == "style")
+ }
+ else if (string.Equals(format[i].Trim(), "style", StringComparison.OrdinalIgnoreCase))
+ {
indexStyle = i;
+ }
}
}
}
@@ -88,29 +104,49 @@ namespace MediaBrowser.MediaEncoding.Subtitles
string[] splittedLine;
- if (s.StartsWith("dialogue:"))
+ if (s.StartsWith("dialogue:", StringComparison.Ordinal))
+ {
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
@@ -130,11 +166,12 @@ namespace MediaBrowser.MediaEncoding.Subtitles
}
}
- //if (header.Length > 0)
- //subtitle.Header = header.ToString();
+ // if (header.Length > 0)
+ // subtitle.Header = header.ToString();
- //subtitle.Renumber(1);
+ // subtitle.Renumber(1);
}
+
trackInfo.TrackEvents = trackEvents.ToArray();
return trackInfo;
}
@@ -143,80 +180,96 @@ namespace MediaBrowser.MediaEncoding.Subtitles
{
// h:mm:ss.cc
string[] timeCode = time.Split(':', '.');
- return new TimeSpan(0, int.Parse(timeCode[0]),
- int.Parse(timeCode[1]),
- int.Parse(timeCode[2]),
- int.Parse(timeCode[3]) * 10).Ticks;
+ return new TimeSpan(
+ 0,
+ int.Parse(timeCode[0], CultureInfo.InvariantCulture),
+ int.Parse(timeCode[1], CultureInfo.InvariantCulture),
+ int.Parse(timeCode[2], CultureInfo.InvariantCulture),
+ int.Parse(timeCode[3], CultureInfo.InvariantCulture) * 10).Ticks;
}
- public static string GetFormattedText(string text)
+ private static string GetFormattedText(string text)
{
text = text.Replace("\\n", ParserValues.NewLine, StringComparison.OrdinalIgnoreCase);
- bool italic = false;
-
for (int i = 0; i < 10; i++) // just look ten times...
{
- if (text.Contains(@"{\fn"))
+ if (text.Contains(@"{\fn", StringComparison.Ordinal))
{
- int start = text.IndexOf(@"{\fn");
+ int start = text.IndexOf(@"{\fn", StringComparison.Ordinal);
int end = text.IndexOf('}', start);
- if (end > 0 && !text.Substring(start).StartsWith("{\\fn}"))
+ if (end > 0 && !text.Substring(start).StartsWith("{\\fn}", StringComparison.Ordinal))
{
string fontName = text.Substring(start + 4, end - (start + 4));
string extraTags = string.Empty;
- CheckAndAddSubTags(ref fontName, ref extraTags, out italic);
+ CheckAndAddSubTags(ref fontName, ref extraTags, out bool italic);
text = text.Remove(start, end - start + 1);
if (italic)
+ {
text = text.Insert(start, "<font face=\"" + fontName + "\"" + extraTags + "><i>");
+ }
else
+ {
text = text.Insert(start, "<font face=\"" + fontName + "\"" + extraTags + ">");
+ }
- int indexOfEndTag = text.IndexOf("{\\fn}", start);
+ int indexOfEndTag = text.IndexOf("{\\fn}", start, StringComparison.Ordinal);
if (indexOfEndTag > 0)
+ {
text = text.Remove(indexOfEndTag, "{\\fn}".Length).Insert(indexOfEndTag, "</font>");
+ }
else
+ {
text += "</font>";
+ }
}
}
- if (text.Contains(@"{\fs"))
+ if (text.Contains(@"{\fs", StringComparison.Ordinal))
{
- int start = text.IndexOf(@"{\fs");
+ int start = text.IndexOf(@"{\fs", StringComparison.Ordinal);
int end = text.IndexOf('}', start);
- if (end > 0 && !text.Substring(start).StartsWith("{\\fs}"))
+ if (end > 0 && !text.Substring(start).StartsWith("{\\fs}", StringComparison.Ordinal))
{
string fontSize = text.Substring(start + 4, end - (start + 4));
string extraTags = string.Empty;
- CheckAndAddSubTags(ref fontSize, ref extraTags, out italic);
+ CheckAndAddSubTags(ref fontSize, ref extraTags, out bool italic);
if (IsInteger(fontSize))
{
text = text.Remove(start, end - start + 1);
if (italic)
+ {
text = text.Insert(start, "<font size=\"" + fontSize + "\"" + extraTags + "><i>");
+ }
else
+ {
text = text.Insert(start, "<font size=\"" + fontSize + "\"" + extraTags + ">");
+ }
- int indexOfEndTag = text.IndexOf("{\\fs}", start);
+ int indexOfEndTag = text.IndexOf("{\\fs}", start, StringComparison.Ordinal);
if (indexOfEndTag > 0)
+ {
text = text.Remove(indexOfEndTag, "{\\fs}".Length).Insert(indexOfEndTag, "</font>");
+ }
else
+ {
text += "</font>";
+ }
}
}
}
- if (text.Contains(@"{\c"))
+ if (text.Contains(@"{\c", StringComparison.Ordinal))
{
- int start = text.IndexOf(@"{\c");
+ int start = text.IndexOf(@"{\c", StringComparison.Ordinal);
int end = text.IndexOf('}', start);
- if (end > 0 && !text.Substring(start).StartsWith("{\\c}"))
+ if (end > 0 && !text.Substring(start).StartsWith("{\\c}", StringComparison.Ordinal))
{
string color = text.Substring(start + 4, end - (start + 4));
string extraTags = string.Empty;
- CheckAndAddSubTags(ref color, ref extraTags, out italic);
+ CheckAndAddSubTags(ref color, ref extraTags, out bool italic);
- color = color.Replace("&", string.Empty).TrimStart('H');
+ color = color.Replace("&", string.Empty, StringComparison.Ordinal).TrimStart('H');
color = color.PadLeft(6, '0');
// switch to rrggbb from bbggrr
@@ -225,28 +278,37 @@ namespace MediaBrowser.MediaEncoding.Subtitles
text = text.Remove(start, end - start + 1);
if (italic)
+ {
text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + "><i>");
+ }
else
+ {
text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + ">");
- int indexOfEndTag = text.IndexOf("{\\c}", start);
+ }
+
+ int indexOfEndTag = text.IndexOf("{\\c}", start, StringComparison.Ordinal);
if (indexOfEndTag > 0)
+ {
text = text.Remove(indexOfEndTag, "{\\c}".Length).Insert(indexOfEndTag, "</font>");
+ }
else
+ {
text += "</font>";
+ }
}
}
- if (text.Contains(@"{\1c")) // "1" specifices primary color
+ if (text.Contains(@"{\1c", StringComparison.Ordinal)) // "1" specifices primary color
{
- int start = text.IndexOf(@"{\1c");
+ int start = text.IndexOf(@"{\1c", StringComparison.Ordinal);
int end = text.IndexOf('}', start);
- if (end > 0 && !text.Substring(start).StartsWith("{\\1c}"))
+ if (end > 0 && !text.Substring(start).StartsWith("{\\1c}", StringComparison.Ordinal))
{
string color = text.Substring(start + 5, end - (start + 5));
string extraTags = string.Empty;
- CheckAndAddSubTags(ref color, ref extraTags, out italic);
+ CheckAndAddSubTags(ref color, ref extraTags, out bool italic);
- color = color.Replace("&", string.Empty).TrimStart('H');
+ color = color.Replace("&", string.Empty, StringComparison.Ordinal).TrimStart('H');
color = color.PadLeft(6, '0');
// switch to rrggbb from bbggrr
@@ -255,61 +317,71 @@ namespace MediaBrowser.MediaEncoding.Subtitles
text = text.Remove(start, end - start + 1);
if (italic)
+ {
text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + "><i>");
+ }
else
+ {
text = text.Insert(start, "<font color=\"" + color + "\"" + extraTags + ">");
+ }
+
text += "</font>";
}
}
-
}
- text = text.Replace(@"{\i1}", "<i>");
- text = text.Replace(@"{\i0}", "</i>");
- text = text.Replace(@"{\i}", "</i>");
+ text = text.Replace(@"{\i1}", "<i>", StringComparison.Ordinal);
+ text = text.Replace(@"{\i0}", "</i>", StringComparison.Ordinal);
+ text = text.Replace(@"{\i}", "</i>", StringComparison.Ordinal);
if (CountTagInText(text, "<i>") > CountTagInText(text, "</i>"))
+ {
text += "</i>";
+ }
- text = text.Replace(@"{\u1}", "<u>");
- text = text.Replace(@"{\u0}", "</u>");
- text = text.Replace(@"{\u}", "</u>");
+ text = text.Replace(@"{\u1}", "<u>", StringComparison.Ordinal);
+ text = text.Replace(@"{\u0}", "</u>", StringComparison.Ordinal);
+ text = text.Replace(@"{\u}", "</u>", StringComparison.Ordinal);
if (CountTagInText(text, "<u>") > CountTagInText(text, "</u>"))
+ {
text += "</u>";
+ }
- text = text.Replace(@"{\b1}", "<b>");
- text = text.Replace(@"{\b0}", "</b>");
- text = text.Replace(@"{\b}", "</b>");
+ text = text.Replace(@"{\b1}", "<b>", StringComparison.Ordinal);
+ text = text.Replace(@"{\b0}", "</b>", StringComparison.Ordinal);
+ text = text.Replace(@"{\b}", "</b>", StringComparison.Ordinal);
if (CountTagInText(text, "<b>") > CountTagInText(text, "</b>"))
+ {
text += "</b>";
+ }
return text;
}
private static bool IsInteger(string s)
- {
- if (int.TryParse(s, out var i))
- return true;
- return false;
- }
+ => int.TryParse(s, out _);
private static int CountTagInText(string text, string tag)
{
int count = 0;
- int index = text.IndexOf(tag);
+ int index = text.IndexOf(tag, StringComparison.Ordinal);
while (index >= 0)
{
count++;
if (index == text.Length)
+ {
return count;
- index = text.IndexOf(tag, index + 1);
+ }
+
+ index = text.IndexOf(tag, index + 1, StringComparison.Ordinal);
}
+
return count;
}
private static void CheckAndAddSubTags(ref string tagName, ref string extraTags, out bool italic)
{
italic = false;
- int indexOfSPlit = tagName.IndexOf(@"\");
+ int indexOfSPlit = tagName.IndexOf('\\', StringComparison.Ordinal);
if (indexOfSPlit > 0)
{
string rest = tagName.Substring(indexOfSPlit).TrimStart('\\');
@@ -317,9 +389,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles
for (int i = 0; i < 10; i++)
{
- if (rest.StartsWith("fs") && rest.Length > 2)
+ if (rest.StartsWith("fs", StringComparison.Ordinal) && rest.Length > 2)
{
- indexOfSPlit = rest.IndexOf(@"\");
+ indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal);
string fontSize = rest;
if (indexOfSPlit > 0)
{
@@ -330,11 +402,12 @@ namespace MediaBrowser.MediaEncoding.Subtitles
{
rest = string.Empty;
}
+
extraTags += " size=\"" + fontSize.Substring(2) + "\"";
}
- else if (rest.StartsWith("fn") && rest.Length > 2)
+ else if (rest.StartsWith("fn", StringComparison.Ordinal) && rest.Length > 2)
{
- indexOfSPlit = rest.IndexOf(@"\");
+ indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal);
string fontName = rest;
if (indexOfSPlit > 0)
{
@@ -345,11 +418,12 @@ namespace MediaBrowser.MediaEncoding.Subtitles
{
rest = string.Empty;
}
+
extraTags += " face=\"" + fontName.Substring(2) + "\"";
}
- else if (rest.StartsWith("c") && rest.Length > 2)
+ else if (rest.StartsWith("c", StringComparison.Ordinal) && rest.Length > 2)
{
- indexOfSPlit = rest.IndexOf(@"\");
+ indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal);
string fontColor = rest;
if (indexOfSPlit > 0)
{
@@ -362,7 +436,7 @@ namespace MediaBrowser.MediaEncoding.Subtitles
}
string color = fontColor.Substring(2);
- color = color.Replace("&", string.Empty).TrimStart('H');
+ color = color.Replace("&", string.Empty, StringComparison.Ordinal).TrimStart('H');
color = color.PadLeft(6, '0');
// switch to rrggbb from bbggrr
color = "#" + color.Remove(color.Length - 6) + color.Substring(color.Length - 2, 2) + color.Substring(color.Length - 4, 2) + color.Substring(color.Length - 6, 2);
@@ -370,9 +444,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles
extraTags += " color=\"" + color + "\"";
}
- else if (rest.StartsWith("i1") && rest.Length > 1)
+ else if (rest.StartsWith("i1", StringComparison.Ordinal) && rest.Length > 1)
{
- indexOfSPlit = rest.IndexOf(@"\");
+ indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal);
italic = true;
if (indexOfSPlit > 0)
{
@@ -383,9 +457,9 @@ namespace MediaBrowser.MediaEncoding.Subtitles
rest = string.Empty;
}
}
- else if (rest.Length > 0 && rest.Contains("\\"))
+ else if (rest.Length > 0 && rest.Contains('\\', StringComparison.Ordinal))
{
- indexOfSPlit = rest.IndexOf(@"\");
+ indexOfSPlit = rest.IndexOf('\\', StringComparison.Ordinal);
rest = rest.Substring(indexOfSPlit).TrimStart('\\');
}
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-06 14:32:58 +0000