public StringTagHandler(POSTagger tagger)
: base("Part of Speech String Tag",
"Tag each element of a string with a part of speech",
new StringArgumentType(int.MaxValue, ".+", "buffalo buffalo"),
LanguageNet.Grammarian.POSTagger.TagEnumerationResultType, 120)
{
this.tagger = tagger;
}
// Describe interface to UnitaryHandler
public PhraseResolveHandler(POSTagger tagger)
: base("Phrase List Tag",
"Resolve the unknown elements contained in a list of Phrases.",
new EnumerableArgumentType(int.MaxValue, new TypedArgumentType(typeof(IParsedPhrase), new WordPhrase("bufallo", "NN"))),
LanguageNet.Grammarian.POSTagger.TagEnumerationResultType, 80)
{
this.tagger = tagger;
}
public EnumerableTagHandler(POSTagger tagger)
// Describe the action to UnitaryHandler
: base("Part of Speech List Tag",
"Tag every element of a grammatical list with a part of speech.",
new EnumerableArgumentType(int.MaxValue, new StringArgumentType(int.MaxValue, ".+", "buffalo")),
LanguageNet.Grammarian.POSTagger.TagEnumerationResultType, 100)
{
this.tagger = tagger;
}
// Can we apply the part of speech given by our rule?
public bool hasToTag(POSTagger tagger)
{
for (int ii = 0; ii < tagger.lexBuff[3].Length; ii++)
{
if (to.Equals(tagger.lexBuff[3][ii]))
{
return(true);
}
}
return(false);
}
// Apply the part of speech to the middle word
public bool apply(POSTagger tagger)
{
if (hasToTag(tagger) && checkContext(tagger))
{
tagger.tagBuff[3] = to;
return(true);
}
else
{
return(false);
}
}
// Add the plugins actions and data source
public InitializeResult Initialize(PluginEnvironment env, Assembly assembly, IMessageReceiver receiver)
{
// Data files contained in [datadrectory]/parser
string parserdir = env.GetConfigDirectory("datadirectory") + Path.DirectorySeparatorChar + "parser" + Path.DirectorySeparatorChar;
POSTagger tagger = new POSTagger(parserdir + "lexicon_all", parserdir + "ruleset", assembly, null);
env.SetDataSource <string, string[]>(LanguageNet.Grammarian.POSTagger.PartsSourceName, tagger);
env.AddAction(new EnumerableTagHandler(tagger));
env.AddAction(new PhraseResolveHandler(tagger));
env.AddAction(new StringTagHandler(tagger));
return(InitializeResult.Success());
}
// either of the next words are as given
public override bool checkContext(POSTagger tagger)
{
return(tagger.wordBuff[4] == context[0] ||
tagger.wordBuff[5] == context[0]);
}
// any of the next speech parts are as given
public override bool checkContext(POSTagger tagger)
{
return(tagger.lexBuff[4][0] == context[0] ||
tagger.lexBuff[5][0] == context[0] ||
tagger.lexBuff[6][0] == context[0]);
}
// the current and previous word are as given
public override bool checkContext(POSTagger tagger)
{
return(tagger.wordBuff[2] == context[0] &&
tagger.wordBuff[3] == context[1]);
}
// dummy rule-- always applies
public override bool checkContext(POSTagger tagger)
{
return(true);
}
// the neighboring speech parts are as given
public override bool checkContext(POSTagger tagger)
{
return(tagger.lexBuff[2][0] == context[0] &&
tagger.lexBuff[4][0] == context[1]);
}
// Are we in an appropriate context?
public virtual bool checkContext(POSTagger tagger)
{
return(true);
}