/**
* Copyright (c) 2009/09-2012/08, Regents of the University of Colorado
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Copyright 2012/09-2013/04, University of Massachusetts Amherst
* Copyright 2013/05-Present, IPSoft Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.clearnlp.demo;
import com.clearnlp.classification.lambda.ILambdaUnit1;
import com.clearnlp.constituent.CTLibEn;
import com.clearnlp.constituent.CTNode;
import com.clearnlp.constituent.CTTree;
import com.clearnlp.morphology.MPLib;
import com.clearnlp.util.map.Prob1DMap;
import com.clearnlp.util.pair.StringIntPair;
/**
* @since 2.0.1
* @author Jinho D. Choi ({@code jdchoi77@gmail.com})
*/
public class CTExtractPhrases implements ILambdaUnit1<CTTree>
{
Prob1DMap g_map;
public CTExtractPhrases()
{
g_map = new Prob1DMap();
}
@Override
public void apply(CTTree tree)
{
extract(tree.getRoot());
}
private void extract(CTNode node)
{
String str;
for (CTNode child : node.getChildren())
{
if (child.isPTag(CTLibEn.PTAG_LST))
{
str = MPLib.simplifyBasic(child.toForms(false, " "));
if (str.contains(" ")) g_map.add(str);
}
else
extract(child);
}
}
public void print(int cutoff)
{
for (StringIntPair p : g_map.toSortedList())
{
if (p.i > cutoff)
System.out.println(p.s+" "+p.i);
}
}
}