private static ICollection <string> ExtractQuote(string text, ResponseItem item, string[] keywords)
{
var ret = new List <string>();
var splits = text.Split('"');
if (splits.Length == 1)
{
return(ret);
}
for (int i = 1; i < splits.Length; i += 2)
{
var quote = new ArquivoQuote
{
FullText = text,
Quote = splits[i],
Reference = item
};
SetQuoteContext(splits, i, quote);
if (EvaluateQuote(quote, keywords))
{
ret.Add(quote.Quote);
}
}
return(ret.Distinct().ToList());
}
public int CompareTo(ArquivoQuote other)
{
if (ReferenceEquals(this, other))
{
return(0);
}
if (ReferenceEquals(null, other))
{
return(1);
}
return(string.Compare(Quote, other.Quote, StringComparison.Ordinal));
}
private static void SetQuoteContext(string[] splits, int i, ArquivoQuote q)
{
q.PrevContext = q.PosContext = string.Empty;
if (splits.Length == 0)
{
return;
}
if (i > 0)
{
q.PrevContext = splits[i - 1];
}
if (i + 1 < splits.Length)
{
q.PosContext += splits[i + 1];
}
}
private static bool EvaluateQuote(ArquivoQuote quote, string[] keywords)
{
var phraseStartIdx = quote.PrevContext.LastIndexOf(".", StringComparison.InvariantCulture);
if (phraseStartIdx != -1)
{
quote.PrevContext = quote.PrevContext.Substring(phraseStartIdx,
quote.PrevContext.Length - phraseStartIdx).ToLower();
}
phraseStartIdx = quote.PosContext.IndexOf(".", StringComparison.InvariantCulture);
if (phraseStartIdx != -1)
{
quote.PosContext = quote.PosContext.Substring(phraseStartIdx,
quote.PosContext.Length - phraseStartIdx).ToLower();
}
return(keywords.Any(k => quote.PrevContext.Contains(k) || quote.PosContext.Contains(k)));
}
protected bool Equals(ArquivoQuote other)
{
return(string.Equals(Quote, other.Quote));
}
