/**
* 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, 2013/11-Present, University of Massachusetts Amherst
* Copyright 2013/05-2013/10, 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.conversion;
import com.clearnlp.constituent.CTNode;
import com.clearnlp.dependency.DEPFeat;
/**
* Constituent to dependency information.
* @since 1.0.0
* @author Jinho D. Choi ({@code jdchoi77@gmail.com})
*/
public class C2DInfo
{
CTNode d_head;
CTNode p_head;
String s_label;
DEPFeat d_feats;
private boolean b_head;
/** Initializes the dependency head of a constituent. */
public C2DInfo(CTNode head)
{
s_label = null;
b_head = false;
if (head.c2d == null) // for terminals: head = itself
{
d_head = head;
p_head = null;
d_feats = new DEPFeat();
}
else // for phrases: head = child
{
d_head = head.c2d.getDependencyHead();
p_head = head;
}
}
/** Sets heads for siblings */
public void setHead(CTNode head, String label)
{
d_head.c2d.d_head = head.c2d.getDependencyHead();
setLabel(label);
b_head = true;
}
public void setHeadTerminal(CTNode head, String label)
{
d_head.c2d.d_head = head;
setLabel(label);
b_head = true;
}
public boolean hasHead()
{
return b_head;
}
public void setLabel(String label)
{
if (p_head == null)
s_label = label;
else
d_head.c2d.s_label = label;
}
public String getLabel()
{
return s_label;
}
public String putFeat(String key, String value)
{
return d_head.c2d.d_feats.put(key, value);
}
public String getFeat(String key)
{
return d_feats.get(key);
}
public CTNode getDependencyHead()
{
return d_head;
}
public CTNode getPhraseHead()
{
return p_head;
}
}