public List<string> Tokenize()
{
var model = new TokenizerModel(File.OpenRead(BaseFolder + "en-token.bin"));
var tokenizer = new TokenizerME(model);
return tokenizer.Tokenize(this.Text).ToList();
}
/// <summary>
/// Initializes a new instance of the <see cref="TokenizerME"/> class.
/// </summary>
/// <param name="model">The tokenizer model.</param>
public TokenizerME(TokenizerModel model) {
this.model = model.MaxentModel;
var factory = model.Factory;
alphanumeric = new Regex(factory.AlphaNumericPattern, RegexOptions.Compiled);
cg = factory.ContextGenerator;
useAlphaNumericOptimization = model.UseAlphaNumericOptimization;
newTokens = new List<Span>();
tokProbs = new List<double>(50);
}
/// <summary>
/// Initializes a new instance of the <see cref="TokenizerME"/> class.
/// </summary>
/// <param name="model">The tokenizer model.</param>
public TokenizerME(TokenizerModel model)
{
this.model = model.MaxentModel;
var factory = model.Factory;
alphanumeric = new Regex(factory.AlphaNumericPattern, RegexOptions.Compiled);
cg = factory.ContextGenerator;
useAlphaNumericOptimization = model.UseAlphaNumericOptimization;
newTokens = new List <Span>();
tokProbs = new List <double>(50);
}
public void TestDefault() {
var dict = LoadAbbDictionary();
const string lang = "es";
var model = Train(new TokenizerFactory(lang, dict, false, null));
var factory = model.Factory;
Assert.IsInstanceOf(typeof (Dict), factory.AbbreviationDictionary);
Assert.IsInstanceOf(typeof (DefaultTokenContextGenerator), factory.ContextGenerator);
Assert.AreEqual(Factory.DefaultAlphanumeric, factory.AlphaNumericPattern);
Assert.AreEqual(lang, factory.LanguageCode);
Assert.AreEqual(lang, model.Language);
Assert.AreEqual(false, factory.UseAlphaNumericOptimization);
using (var data = new MemoryStream()) {
model.Serialize(new UnclosableStream(data));
data.Seek(0, SeekOrigin.Begin);
var fromSerialized = new TokenizerModel(data);
factory = fromSerialized.Factory;
Assert.IsInstanceOf(typeof (Dict), factory.AbbreviationDictionary);
Assert.IsInstanceOf(typeof (DefaultTokenContextGenerator), factory.ContextGenerator);
Assert.AreEqual(Factory.DefaultAlphanumeric, factory.AlphaNumericPattern);
Assert.AreEqual(lang, factory.LanguageCode);
Assert.AreEqual(lang, fromSerialized.Language);
Assert.AreEqual(false, factory.UseAlphaNumericOptimization);
}
}
public void TestDummyFactory() {
const string lang = "es";
const string pattern = "^[0-9A-Za-z]+$";
var dic = LoadAbbDictionary();
var model = Train(new DummyTokenizerFactory(lang, dic, true, pattern));
Assert.IsInstanceOf(typeof(DummyTokenizerFactory), model.Factory);
var factory = model.Factory;
Assert.IsInstanceOf(typeof(DummyTokenizerFactory.DummyDictionary), factory.AbbreviationDictionary);
Assert.IsInstanceOf(typeof(DummyTokenizerFactory.DummyContextGenerator), factory.ContextGenerator);
Assert.AreEqual(pattern, factory.AlphaNumericPattern);
Assert.AreEqual(lang, factory.LanguageCode);
Assert.AreEqual(lang, model.Language);
Assert.AreEqual(true, factory.UseAlphaNumericOptimization);
using (var data = new MemoryStream()) {
model.Serialize(new UnclosableStream(data));
data.Seek(0, SeekOrigin.Begin);
var fromSerialized = new TokenizerModel(data);
Assert.IsInstanceOf(typeof(DummyTokenizerFactory), fromSerialized.Factory);
factory = fromSerialized.Factory;
Assert.IsInstanceOf(typeof(DummyTokenizerFactory.DummyDictionary), factory.AbbreviationDictionary);
Assert.IsInstanceOf(typeof(DummyTokenizerFactory.DummyContextGenerator), factory.ContextGenerator);
Assert.AreEqual(pattern, factory.AlphaNumericPattern);
Assert.AreEqual(lang, factory.LanguageCode);
Assert.AreEqual(lang, fromSerialized.Language);
Assert.AreEqual(true, factory.UseAlphaNumericOptimization);
}
}