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- /* ====================================================================
- 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.poi.hwpf.model;
-
- import org.apache.poi.util.Internal;
-
- @Internal
- public interface CharIndexTranslator {
- /**
- * Calculates the byte index of the given char index.
- *
- * @param charPos
- * The char position
- * @return The byte index
- */
- int getByteIndex( int charPos );
-
- /**
- * Finds character ranges that includes specified byte range.
- *
- * @param startBytePosInclusive
- * start byte range
- * @param endBytePosExclusive
- * end byte range
- */
- int[][] getCharIndexRanges( int startBytePosInclusive,
- int endBytePosExclusive );
-
- /**
- * Check if index is in table
- *
- * @return true if index in table, false if not
- */
- boolean isIndexInTable(int bytePos);
-
- /**
- * Return first index >= bytePos that is in table
- *
- * @return first index greater or equal to bytePos that is in table
- */
- int lookIndexForward(int bytePos);
-
- /**
- * Return last index <= bytePos that is in table
- *
- * @return last index less of equal to bytePos that is in table
- */
- int lookIndexBackward(int bytePos);
-
- }
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