private LightSentence ProcessSentence(string text)
{
var tokens = tokenizer.Tokenize(text);
if (tokens.Length <= 0)
{
return(null);
}
var tags = posTagger.Tag(tokens);
var currentSentence = new LightSentence();
currentSentence.Text = text;
currentSentence.Words = new LightWord[tokens.Length];
for (var i = 0; i < tokens.Length; i++)
{
var wordData = new LightWord();
wordData.Tag = tags[i];
wordData.Text = tokens[i];
currentSentence.Words[i] = wordData;
}
NERExtraction(currentSentence, tokens);
PhraseExtraction(currentSentence, tokens, tags);
return(currentSentence);
}
private void NERExtraction(LightSentence currentSentence, string[] tokens)
{
foreach (var ner in neResolver.SelectMany(item => item.Tag(tokens)))
{
for (var i = ner.Start; i < ner.End; i++)
{
currentSentence.Words[i].Entity = ner.Type;
}
}
}
private void PhraseExtraction(LightSentence currentSentence, string[] tokens, string[] tags)
{
var chunks = chunker.ChunkAsSpans(tokens, tags);
foreach (var chunk in chunks)
{
for (var i = chunk.Start; i < chunk.End; i++)
{
currentSentence.Words[i].Phrase = chunk.Type;
}
}
}
protected override LightDocument ActualProcess(ParseRequest request)
{
var sentences = sentenceSplitter.Split(request.Document.Text).ToArray();
var sentenceDataList = new List <SentenceData>(sentences.Length);
foreach (var sentence in sentences)
{
var text = repairHandler.Repair(sentence);
if (sentence != text)
{
log.LogDebug("Sentence repaired!");
}
var sentenceData = new SentenceData {
Text = text
};
sentenceData.Tokens = tokenizer.Tokenize(sentenceData.Text);
if (sentenceData.Tokens.Length <= 0)
{
continue;
}
sentenceData.Tags = posTagger.Tag(sentenceData.Tokens);
sentenceData.Chunks = chunker.ChunkAsSpans(sentenceData.Tokens, sentenceData.Tags).ToArray();
sentenceDataList.Add(sentenceData);
}
var document = new LightDocument();
document.Text = request.Document.Text;
document.Sentences = new LightSentence[sentenceDataList.Count];
for (var index = 0; index < sentenceDataList.Count; index++)
{
SentenceData sentenceData = sentenceDataList[index];
if (string.IsNullOrWhiteSpace(sentenceData.Text))
{
continue;
}
var currentSentence = new LightSentence();
currentSentence.Text = sentenceData.Text;
document.Sentences[index] = currentSentence;
var chunks = new Dictionary <int, Span>();
foreach (Span chunk in sentenceData.Chunks)
{
for (var i = chunk.Start; i < chunk.End; i++)
{
chunks[i] = chunk;
}
}
currentSentence.Words = new LightWord[sentenceData.Tokens.Length];
for (var i = 0; i < sentenceData.Tokens.Length; i++)
{
var wordData = new LightWord();
wordData.Tag = sentenceData.Tags[i];
wordData.Text = sentenceData.Tokens[i];
currentSentence.Words[i] = wordData;
if (chunks.TryGetValue(i, out Span chunk))
{
wordData.Phrase = chunk.Type;
}
}
}
return(document);
}
