/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.pdfbox.encoding.conversion;
import java.util.HashMap;
/**
* This class provides a mapping from char code to unicode mapping files used for CJK-encoding.
* @author Andreas Lehmkühler
* @version $Revision: 1.0 $
*
*/
public class CMapSubstitution
{
private static HashMap<String,String> cmapSubstitutions = new HashMap<String,String>();
private CMapSubstitution()
{
}
static
{
// I don't know if these mappings are complete. Perhaps there
// has to be added still one or more
// chinese simplified
cmapSubstitutions.put( "Adobe-GB1-4", "Adobe-GB1-UCS2" );
cmapSubstitutions.put( "GBK-EUC-H", "GBK-EUC-UCS2" );
cmapSubstitutions.put( "GBK-EUC-V", "GBK-EUC-UCS2" );
cmapSubstitutions.put( "GBpc-EUC-H", "GBpc-EUC-UCS2C" );
cmapSubstitutions.put( "GBpc-EUC-V", "GBpc-EUC-UCS2C" );
// chinese traditional
cmapSubstitutions.put( "Adobe-CNS1-4", "Adobe-CNS1-UCS2" );
cmapSubstitutions.put( "B5pc-H", "B5pc-UCS2" );
cmapSubstitutions.put( "B5pc-V", "B5pc-UCS2" );
cmapSubstitutions.put( "ETen-B5-H", "ETen-B5-UCS2" );
cmapSubstitutions.put( "ETen-B5-V", "ETen-B5-UCS2" );
cmapSubstitutions.put( "ETenms-B5-H", "ETen-B5-UCS2" );
cmapSubstitutions.put( "ETenms-B5-V", "ETen-B5-UCS2" );
// japanese
cmapSubstitutions.put( "90ms-RKSJ-H", "90ms-RKSJ-UCS2" );
cmapSubstitutions.put( "90ms-RKSJ-V", "90ms-RKSJ-UCS2" );
cmapSubstitutions.put( "90msp-RKSJ-H", "90ms-RKSJ-UCS2" );
cmapSubstitutions.put( "90msp-RKSJ-V", "90ms-RKSJ-UCS2" );
cmapSubstitutions.put( "90pv-RKSJ-H", "90pv-RKSJ-UCS2");
cmapSubstitutions.put( "UniJIS-UCS2-HW-H", "UniJIS-UCS2-H" );
cmapSubstitutions.put( "Adobe-Japan1-4", "Adobe-Japan1-UCS2");
cmapSubstitutions.put( "Adobe-Identity-0", "Identity-H");
cmapSubstitutions.put( "Adobe-Identity-1", "Identity-H");
}
/**
*
* @param cmapName The name of a cmap for which we have to find a possible substitution
* @return the substitution for the given cmap name
*/
public static String substituteCMap(String cmapName)
{
if (cmapSubstitutions.containsKey(cmapName))
{
return (String)cmapSubstitutions.get(cmapName);
}
return cmapName;
}
}