static private ISentenceItem CreateSentenseItem(SymbolList symbols, ParserState state)
{
if (symbols == null || symbols.Count == 0)
{
throw new ArgumentNullException(nameof(symbols));
}
switch (state)
{
case ParserState.Letter:
return(new Word(symbols));
case ParserState.Separator:
return(SpaceSeparator.GetSeparator());
case ParserState.Punctuation:
case ParserState.Other:
return(new Punctuation(symbols.ToString()));
case ParserState.EndSentense:
case ParserState.None:
default:
throw new AggregateException($"State can't be \"{state}\"");
}
}
static ISentenceItem CreateSeparator(SymbolList symbols)
{
return(SpaceSeparator.GetSeparator());
}