public static IEnumerable <ITextChunk> GetChunks(this ITextProvider provider, int maxLength)
{
var pos = provider.GetStartPosition();
while (!pos.IsAtEnd)
{
var(text, next) = pos.GetText(maxLength);
if (text.Length == 0 && !next.IsAtEnd)
{
throw new TextSplitterException("Unable to fit your message to the request length!");
}
if (text.Length > 0 && text.Length <= maxLength)
{
yield return(text);
}
else if (text.Length > maxLength)
{
throw new System.Exception($"Message is too long: {text.Length} - this should never happen. Check that the linebreaks you are inserting and the ones your TextWriter is producing are equivalent");
}
pos = next;
}
}
public static string ToText(this ITextProvider provider, int length)
{
var(chunk, _) = provider.GetStartPosition().GetText(length);
return(chunk.ToText());
}
