private static TtElement BuildDocument(XDocument xml, TimeSpan timeOffset, TimeSpan defaultEndTime)
{
TtElement parsetree = null;
try
{
parsetree = (TtElement)TimedTextElementBase.Parse(xml.Root);
}
catch (TimedTextException) { }
if (parsetree == null)
{
throw new TimedTextException("No Parse tree returned");
}
if (!parsetree.Valid())
{
throw new TimedTextException("Document is Well formed XML, but invalid Timed Text");
}
var startTime = new TimeCode(timeOffset, TimeExpression.CurrentSmpteFrameRate);
var endTime = new TimeCode(defaultEndTime, TimeExpression.CurrentSmpteFrameRate);
parsetree.ComputeTimeIntervals(TimeContainer.Par, startTime, endTime);
return(parsetree);
}
internal static bool UnitTests()
{
#region string preamble
string preamble = @"<tt xml:lang =''
ttp:profile='http://www.w3.org/2006/10/ttaf1#profile-dfxp'
xmlns='http://www.w3.org/2006/10/ttaf1'
xmlns:ttm='http://www.w3.org/2006/10/ttaf1#metadata'
xmlns:ttp='http://www.w3.org/2006/10/ttaf1#parameter'
xmlns:tts='http://www.w3.org/2006/10/ttaf1#style' >
<head>
<ttm:title>Unit test</ttm:title>
</head>
";
#endregion
XElement ttData1 = XElement.Parse(preamble + @"
<body timeContainer ='par' >
<div timeContainer ='seq' end='5s'>
<p dur='2s'>One<span begin='0.5s' dur='1s' > and a bit</span></p>
<p dur='2s'>Two</p>
</div>
<div timeContainer ='seq' dur='5s'>
<p begin='0.1s' dur='2s'>One</p>
<p dur='2s'>Two</p>
</div>
</body>
</tt>
");
TimedTextElementBase tt1 = TimedTextElementBase.Parse(ttData1);
bool pass = tt1.Valid();
TimeCode startTime = new TimeCode("00:00:00:00", TimeExpression.CurrentSmpteFrameRate);
TimeCode endTime = new TimeCode("01:00:00:00", TimeExpression.CurrentSmpteFrameRate);
tt1.ComputeTimeIntervals(TimeContainer.Par, startTime, endTime);
ReadOnlyCollection <TimeCode> ev = tt1.Events;
// some basic tests, try to come up with some more devilish ones.
pass &= ev.Count == 10;
return(pass);
}