public void WriteStyle()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
Style.Create(@"::cue {
background-image: linear-gradient(to bottom, dimgray, lightgray);
color: papayawhip;
}")
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
string expected = @"WEBVTT
STYLE
::cue {
background-image: linear-gradient(to bottom, dimgray, lightgray);
color: papayawhip;
}
";
Assert.AreEqual(expected, sb.ToString());
}
}
public void WriteMultiLineCue()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new Cue()
{
Start = TimeSpan.FromSeconds(10),
End = TimeSpan.FromSeconds(20),
Content = new Span[]
{
new Span()
{
Type = SpanType.Text, Text = "First line."
},
new Span()
{
Type = SpanType.Text, Text = "Second line."
},
new Span()
{
Type = SpanType.Voice, Annotation = "Voice", Children = new Span[] { new Span()
{
Type = SpanType.Text, Text = "Voice text."
} }
},
new Span()
{
Type = SpanType.Ruby, Children = new Span[] { new Span()
{
Type = SpanType.RubyText, Children = new Span[] { new Span()
{
Type = SpanType.Text, Text = "Ruby text"
} }
} }
},
}
}
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
string expected = @"WEBVTT
00:00:10.000 --> 00:00:20.000
First line.
Second line.
<v Voice>Voice text.</v>
<ruby><rt>Ruby text</rt></ruby>
";
Assert.AreEqual(expected, sb.ToString());
}
}
public void IfNullBlock_Throws()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(new BaseBlock[] { null }, writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
}
public void WriteEmptyContent()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(new BaseBlock[0], writer).ConfigureAwait(false).GetAwaiter().GetResult();
string expected = @"WEBVTT
";
Assert.AreEqual(expected, sb.ToString());
}
}
public void IfStyleWithArrow_Throws()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
Style.Create("Styles with --> are not allowed.")
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
}
public void IfCueRegionNameHasWhiteSpace_Throws()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new Cue()
{
Start = TimeSpan.FromSeconds(1), End = TimeSpan.FromSeconds(2), Region = "Region with space"
},
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
}
public void IfCueEndTimeLessThanStartTime_Throws()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new Cue()
{
Start = TimeSpan.FromSeconds(10), End = TimeSpan.FromSeconds(2)
},
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
}
public void IfRegionAfterCue_Throws()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new Cue()
{
Start = TimeSpan.FromSeconds(0), End = TimeSpan.FromSeconds(1)
},
new RegionDefinition()
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
}
public void WriteInlineComment()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[] { Comment.Create("Test inline comment.") },
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
string expected = @"WEBVTT
NOTE Test inline comment.
";
Assert.AreEqual(expected, sb.ToString());
}
}
public void WriteRegion()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new RegionDefinition()
{
Id = "Id",
Lines = 5,
RegionAnchor = new Anchor()
{
XPercent = 1.2, YPercent = 15.375
},
ViewPortAnchor = new Anchor()
{
XPercent = 99.99, YPercent = 0.01
},
WidthPercent = 98.76,
Scroll = true
}
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
string expected = @"WEBVTT
REGION
id:Id
lines:5
width:98.76%
regionanchor:1.2%,15.375%
viewportanchor:99.99%,0.01%
scroll:up
";
Assert.AreEqual(expected, sb.ToString());
}
}
public void IfCueVerticalAlignmentInvalid_Throws()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new Cue()
{
Start = TimeSpan.FromSeconds(1),
End = TimeSpan.FromSeconds(2),
Vertical = (VerticalTextLayout)5678
},
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
}
public void IfCueWithNullSpan_Throws()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new Cue()
{
Start = TimeSpan.FromSeconds(1),
End = TimeSpan.FromSeconds(2),
Content = new Span[] { null }
},
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
}
public void IfCueWithInvalidLine_Throws()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new Cue()
{
Start = TimeSpan.FromSeconds(1),
End = TimeSpan.FromSeconds(2),
Line = new LineSettings()
},
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
}
public void WriteChapters()
{
using (var reader = new StreamReader(new MemoryStream(Properties.Resources.SampleCaption, false)))
{
var captions = WebVttParser.ReadMediaCaptionsAsync(reader).ConfigureAwait(false).GetAwaiter().GetResult();
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(captions, writer).ConfigureAwait(false).GetAwaiter().GetResult();
}
using (var reader2 = new StringReader(sb.ToString()))
{
var captions2 = WebVttParser.ReadMediaCaptionsAsync(reader2).ConfigureAwait(false).GetAwaiter().GetResult();
Assert.IsNotNull(captions2.Cues, "Cues are null after serialization.");
Assert.AreEqual(captions.Cues.Length, captions2.Cues.Length, "Cue counts do not match.");
Assert.IsNull(captions2.Regions, "Regions are not null after serialization.");
}
}
}
public void IfCuePositionAlignmentInvalid_Throws()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new Cue()
{
Start = TimeSpan.FromSeconds(1),
End = TimeSpan.FromSeconds(2),
Position = new PositionSettings()
{
Alignment = (PositionAlignment)4321
}
},
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
}
public void IfCueSpanClassHasWhiteSpace_Throws()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new Cue()
{
Start = TimeSpan.FromSeconds(1),
End = TimeSpan.FromSeconds(2),
Content = new Span[] { new Span()
{
Type = SpanType.Italics, Classes = new string[] { "White\tspace not\rallowed\n" }
} }
},
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
}
public void IfCueTextHasArrow_Throws()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new Cue()
{
Start = TimeSpan.FromSeconds(1),
End = TimeSpan.FromSeconds(2),
Content = new Span[] { new Span()
{
Type = SpanType.Text, Text = "Text with --> is not allowed."
} }
},
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
}
static int Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("Please enter a translate.it file path");
return(1);
}
string[] lines;
try
{
lines = System.IO.File.ReadAllLines(args[0]);
}
catch (Exception)
{
Console.WriteLine("File not found");
return(1);
}
MediaCaptions transcript = new MediaCaptions();
List <Cue> cueList = new List <Cue>();
string header = "Presenter @ ";
string translation = "Translation";
TimeSpan origin = new TimeSpan();
TimeSpan currentCaption;
bool firstCaption = true;
Cue phrase = new Cue();
foreach (string line in lines)
{
// Assumption: the translation always have Presenter / Translation / Recognition lines with the format:
/*
* Presenter @ 10:28:04
*
* Translation (English): It's in English, too.
*
* Recognition (Spanish): (Está en inglés, también.)
*/
// get time from Caption
if (line.Contains(header) && firstCaption == false)
{
currentCaption = TimeSpan.Parse(line.Substring(translation.Length));
TimeSpan diff = currentCaption.Subtract(origin);
phrase.Start = TimeSpan.FromSeconds(diff.TotalSeconds);
phrase.End = phrase.Start.Add(TimeSpan.FromSeconds(5));
}
// get baseline Time from first Caption
if (line.Contains(header) && firstCaption == true)
{
origin = TimeSpan.Parse(line.Substring(header.Length));
TimeSpan diff = origin.Subtract(origin);
phrase.Start = TimeSpan.FromSeconds(diff.TotalSeconds);
phrase.End = phrase.Start.Add(TimeSpan.FromSeconds(5));
firstCaption = false;
}
// get text from Caption
if (line.StartsWith(translation))
{
Span[] translatedCaption = new Span[]
{
new Span()
{
Type = SpanType.Text, Text = line.Substring((line.IndexOf("): ") + 3))
},
};
phrase.Content = translatedCaption;
cueList.Add(phrase);
phrase = new Cue();
}
}
// Set a default end time, and update in a second loop
// for clarity
for (int item = 0; item < cueList.Count - 1; item++)
{
cueList[item].End = cueList[item + 1].Start;
}
Cue[] Cues = cueList.ToArray();
transcript.Cues = Cues;
StringBuilder sb = new StringBuilder();
using var writer = new StringWriter(sb);
WebVttSerializer.SerializeAsync(transcript, writer).ConfigureAwait(false).GetAwaiter().GetResult();
File.WriteAllText(String.Concat(args[0], ".vtt"), sb.ToString());
Console.WriteLine("Press any key to exit. {0} File saved", String.Concat(args[0], ".vtt"));
System.Console.ReadKey();
return(0);
}
public void IfNullWriter_Throws()
{
WebVttSerializer.SerializeAsync((MediaCaptions)null, null)
.ConfigureAwait(false).GetAwaiter().GetResult();
}
public void WriteMediaCaptionsWithOutOfOrderCues()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new MediaCaptions
{
Cues = new Cue[] {
new Cue()
{
Start = TimeSpan.FromSeconds(30),
End = TimeSpan.FromSeconds(40),
Content = new Span[]
{
new Span()
{
Type = SpanType.Text, Text = "Second cue."
},
}
},
new Cue()
{
Start = TimeSpan.FromSeconds(10),
End = TimeSpan.FromSeconds(20),
Content = new Span[]
{
new Span()
{
Type = SpanType.Text, Text = "First cue."
},
}
},
new Cue()
{
Start = TimeSpan.FromSeconds(30),
End = TimeSpan.FromSeconds(50),
Content = new Span[]
{
new Span()
{
Type = SpanType.Text, Text = "Third cue."
},
}
}
}
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
string expected = @"WEBVTT
00:00:10.000 --> 00:00:20.000
First cue.
00:00:30.000 --> 00:00:40.000
Second cue.
00:00:30.000 --> 00:00:50.000
Third cue.
";
Assert.AreEqual(expected, sb.ToString());
}
}
public void WriteSingleLineCue()
{
StringBuilder sb = new StringBuilder();
using (var writer = new StringWriter(sb))
{
WebVttSerializer.SerializeAsync(
new BaseBlock[]
{
new Cue()
{
Alignment = TextAlignment.Start,
Start = TimeSpan.FromSeconds(9.25),
End = new TimeSpan(1, 2, 3, 4, 56),
Id = "Cue Id",
Line = new LineSettings()
{
Alignment = LineAlignment.Center, Percent = 12.34
},
Position = new PositionSettings()
{
Alignment = PositionAlignment.LineRight, PositionPercent = 43.21
},
Region = "Region",
SizePercent = 100.0,
Vertical = VerticalTextLayout.LeftToRight,
Content = new Span[]
{
new Span()
{
Type = SpanType.Voice,
Classes = new string[] { "one", "two", "three" },
Annotation = "Cue voice",
Children = new Span[]
{
new Span()
{
Type = SpanType.Text, Text = "Prefix"
},
new Span()
{
Type = SpanType.Italics, Children = new Span[] { new Span()
{
Type = SpanType.Text, Text = "Italic"
} }
},
new Span()
{
Type = SpanType.Underline, Children = new Span[] { new Span()
{
Type = SpanType.Text, Text = "Underline"
} }
},
new Span()
{
Type = SpanType.Bold, Children = new Span[] { new Span()
{
Type = SpanType.Text, Text = "Bold"
} }
},
new Span()
{
Type = SpanType.Class, Children = new Span[] { new Span()
{
Type = SpanType.Text, Text = "Class"
} }
},
new Span()
{
Type = SpanType.Language, Annotation = "en-us", Children = new Span[] { new Span()
{
Type = SpanType.Text, Text = "Language"
} }
},
}
}
}
}
},
writer)
.ConfigureAwait(false).GetAwaiter().GetResult();
string expected = @"WEBVTT
Cue Id
00:00:09.250 --> 1:02:03:04.056 region:Region align:start line:12.34%,center position:43.21%,line-right size:100% vertical:lr
<v.one.two.three Cue voice>Prefix<i>Italic</i><u>Underline</u><b>Bold</b><c>Class</c><lang en-us>Language</lang></v>
";
Assert.AreEqual(expected, sb.ToString());
}
}
