org.apache.poi.hwpf.model.CharIndexTranslator Maven / Gradle / Ivy
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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
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http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.poi.hwpf.model;
public interface CharIndexTranslator {
/**
* Calculates the char index of the given byte index.
* Look forward if index is not in table
*
* @param bytePos The character offset to check
* @return the char index
*/
int getCharIndex(int bytePos);
/**
* Calculates the char index of the given byte index.
* Look forward if index is not in table
*
* @param bytePos The character offset to check
* @param startCP look from this characted position
* @return the char index
*/
int getCharIndex(int bytePos, int startCP);
/**
* Check if index is in table
*
* @param bytePos
* @return true if index in table, false if not
*/
boolean isIndexInTable(int bytePos);
/**
* Return first index >= bytePos that is in table
*
* @param bytePos
* @return first index greater or equal to bytePos that is in table
*/
public int lookIndexForward(int bytePos);
/**
* Return last index <= bytePos that is in table
*
* @param bytePos
* @return last index less of equal to bytePos that is in table
*/
public int lookIndexBackward(int bytePos);
}