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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.analysis;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import jsyntaxpane.Token;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;
import cuchaz.enigma.mapping.Entry;
public class SourceIndex implements Iterable<Map.Entry<Entry,Token>>
{
private Multimap<Entry,Token> m_entryToTokens;
public SourceIndex( )
{
m_entryToTokens = HashMultimap.create();
}
public void add( Entry entry, Token token )
{
m_entryToTokens.put( entry, token );
}
public Iterator<Map.Entry<Entry,Token>> iterator( )
{
return m_entryToTokens.entries().iterator();
}
public Collection<Token> tokens( )
{
return m_entryToTokens.values();
}
public Entry getEntry( Token token )
{
// linear search is fast enough for now
for( Map.Entry<Entry,Token> entry : this )
{
if( entry.getValue().equals( token ) )
{
return entry.getKey();
}
}
return null;
}
public Map.Entry<Entry,Token> getEntry( int pos )
{
// linear search is fast enough for now
for( Map.Entry<Entry,Token> entry : this )
{
Token token = entry.getValue();
if( pos >= token.start && pos <= token.end() )
{
return entry;
}
}
return null;
}
public Collection<Token> getTokens( Entry entry )
{
return m_entryToTokens.get( entry );
}
}
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