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151 lines (133 loc) · 6.22 KB
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//Copyright (C) 2006 Richard J. Northedge
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
using System;
using System.Collections.Generic;
namespace BotSharp.Models
{
/// <summary>
/// Summary description for WordNetEngine.
/// </summary>
public abstract class WordNetEngine
{
private Morph.IOperation[] mDefaultOperations;
protected string[] mEmpty = new string[0];
public abstract string[] GetPartsOfSpeech();
public abstract string[] GetPartsOfSpeech(string lemma);
public abstract IndexWord[] GetAllIndexWords(string partOfSpeech);
public abstract IndexWord GetIndexWord(string lemma, string partOfSpeech);
public abstract Synset[] GetSynsets(string lemma);
public abstract Synset[] GetSynsets(string lemma, string partOfSpeech);
public abstract RelationType[] GetRelationTypes(string lemma, string partOfSpeech);
public abstract Synset GetSynset(string lemma, string partOfSpeech, int senseNumber);
public delegate void MorphologicalProcessOperation (string lemma, string partOfSpeech, List<string>baseForms);
public string[] GetBaseForms(string lemma, string partOfSpeech, MorphologicalProcessOperation morphologicalProcess)
{
var baseForms = new List<string>();
morphologicalProcess(lemma, partOfSpeech, baseForms);
return baseForms.ToArray();
}
public string[] GetBaseForms(string lemma, string partOfSpeech, Morph.IOperation[] operations)
{
var baseForms = new List<string>();
foreach (Morph.IOperation operation in operations)
{
operation.Execute(lemma, partOfSpeech, baseForms);
}
return baseForms.ToArray();
}
public string[] GetBaseForms(string lemma, string partOfSpeech)
{
if (mDefaultOperations == null)
{
var suffixMap = new Dictionary<string, string[][]>
{
{
"noun", new string[][]
{
new string[] {"s", ""}, new string[] {"ses", "s"}, new string[] {"xes", "x"},
new string[] {"zes", "z"}, new string[] {"ches", "ch"}, new string[] {"shes", "sh"},
new string[] {"men", "man"}, new string[] {"ies", "y"}
}
},
{
"verb", new string[][]
{
new string[] {"s", ""}, new string[] {"ies", "y"}, new string[] {"es", "e"},
new string[] {"es", ""}, new string[] {"ed", "e"}, new string[] {"ed", ""},
new string[] {"ing", "e"}, new string[] {"ing", ""}
}
},
{
"adjective", new string[][]
{
new string[] {"er", ""}, new string[] {"est", ""}, new string[] {"er", "e"},
new string[] {"est", "e"}
}
}
};
var tokDso = new Morph.DetachSuffixesOperation(suffixMap);
tokDso.AddDelegate(Morph.DetachSuffixesOperation.Operations, new Morph.IOperation[]
{
new Morph.LookupIndexWordOperation(this), new Morph.LookupExceptionsOperation(this)
});
var tokOp = new Morph.TokenizerOperation(this, new string[] { " ", "-" });
tokOp.AddDelegate(Morph.TokenizerOperation.TokenOperations, new Morph.IOperation[]
{
new Morph.LookupIndexWordOperation(this), new Morph.LookupExceptionsOperation(this), tokDso
});
var morphDso = new Morph.DetachSuffixesOperation(suffixMap);
morphDso.AddDelegate(Morph.DetachSuffixesOperation.Operations, new Morph.IOperation[]
{
new Morph.LookupIndexWordOperation(this), new Morph.LookupExceptionsOperation(this)
});
mDefaultOperations = new Morph.IOperation[] { new Morph.LookupExceptionsOperation(this), morphDso, tokOp };
}
return GetBaseForms(lemma, partOfSpeech, mDefaultOperations);
}
public MorphologicalProcessOperation LookupExceptionsOperation
{
get
{
return delegate(string lemma, string partOfSpeech, List<string> baseForms)
{
string[] exceptionForms = GetExceptionForms(lemma, partOfSpeech);
foreach (string exceptionForm in exceptionForms)
{
if (!baseForms.Contains(exceptionForm))
{
baseForms.Add(exceptionForm);
}
}
};
}
}
public MorphologicalProcessOperation LookupIndexWordOperation
{
get
{
return delegate(string lemma, string partOfSpeech, List<string> baseForms)
{
if (!baseForms.Contains(lemma) && GetIndexWord(lemma, partOfSpeech) != null)
{
baseForms.Add(lemma);
}
};
}
}
protected internal abstract Synset CreateSynset(string partOfSpeech, int synsetOffset);
protected internal abstract string[] GetExceptionForms(string lemma, string partOfSpeech);
}
}