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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2004, 2021 Oracle and/or its affiliates. All rights reserved.
*
* Oracle 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 com.sun.xml.fastinfoset.util;
import com.sun.xml.fastinfoset.CommonResourceBundle;
public class ContiguousCharArrayArray extends ValueArray {
public static final int INITIAL_CHARACTER_SIZE = 512;
public static final int MAXIMUM_CHARACTER_SIZE = Integer.MAX_VALUE;
protected int _maximumCharacterSize;
public int[] _offset;
public int[] _length;
public char[] _array;
public int _arrayIndex;
public int _readOnlyArrayIndex;
private String[] _cachedStrings;
public int _cachedIndex;
private ContiguousCharArrayArray _readOnlyArray;
public ContiguousCharArrayArray(int initialCapacity, int maximumCapacity,
int initialCharacterSize, int maximumCharacterSize) {
_offset = new int[initialCapacity];
_length = new int[initialCapacity];
_array = new char[initialCharacterSize];
_maximumCapacity = maximumCapacity;
_maximumCharacterSize = maximumCharacterSize;
}
public ContiguousCharArrayArray() {
this(DEFAULT_CAPACITY, MAXIMUM_CAPACITY,
INITIAL_CHARACTER_SIZE, MAXIMUM_CHARACTER_SIZE);
}
public final void clear() {
_arrayIndex = _readOnlyArrayIndex;
_size = _readOnlyArraySize;
if (_cachedStrings != null) {
for (int i = _readOnlyArraySize; i < _cachedStrings.length; i++) {
_cachedStrings[i] = null;
}
}
}
public final int getArrayIndex() {
return _arrayIndex;
}
public final void setReadOnlyArray(ValueArray readOnlyArray, boolean clear) {
if (!(readOnlyArray instanceof ContiguousCharArrayArray)) {
throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.illegalClass", new Object[]{readOnlyArray}));
}
setReadOnlyArray((ContiguousCharArrayArray)readOnlyArray, clear);
}
public final void setReadOnlyArray(ContiguousCharArrayArray readOnlyArray, boolean clear) {
if (readOnlyArray != null) {
_readOnlyArray = readOnlyArray;
_readOnlyArraySize = readOnlyArray.getSize();
_readOnlyArrayIndex = readOnlyArray.getArrayIndex();
if (clear) {
clear();
}
_array = getCompleteCharArray();
_offset = getCompleteOffsetArray();
_length = getCompleteLengthArray();
_size = _readOnlyArraySize;
_arrayIndex = _readOnlyArrayIndex;
}
}
public final char[] getCompleteCharArray() {
if (_readOnlyArray == null) {
if (_array == null) return null;
// Return cloned version of internal _array
final char[] clonedArray = new char[_array.length];
System.arraycopy(_array, 0, clonedArray, 0, _array.length);
return clonedArray;
// return _array;
} else {
final char[] ra = _readOnlyArray.getCompleteCharArray();
final char[] a = new char[_readOnlyArrayIndex + _array.length];
System.arraycopy(ra, 0, a, 0, _readOnlyArrayIndex);
return a;
}
}
public final int[] getCompleteOffsetArray() {
if (_readOnlyArray == null) {
if (_offset == null) return null;
// Return cloned version of internal _offset
final int[] clonedArray = new int[_offset.length];
System.arraycopy(_offset, 0, clonedArray, 0, _offset.length);
return clonedArray;
// return _offset;
} else {
final int[] ra = _readOnlyArray.getCompleteOffsetArray();
final int[] a = new int[_readOnlyArraySize + _offset.length];
System.arraycopy(ra, 0, a, 0, _readOnlyArraySize);
return a;
}
}
public final int[] getCompleteLengthArray() {
if (_readOnlyArray == null) {
if (_length == null) return null;
// Return cloned version of internal _length
final int[] clonedArray = new int[_length.length];
System.arraycopy(_length, 0, clonedArray, 0, _length.length);
return clonedArray;
// return _length;
} else {
final int[] ra = _readOnlyArray.getCompleteLengthArray();
final int[] a = new int[_readOnlyArraySize + _length.length];
System.arraycopy(ra, 0, a, 0, _readOnlyArraySize);
return a;
}
}
public final String getString(int i) {
if (_cachedStrings != null && i < _cachedStrings.length) {
final String s = _cachedStrings[i];
return (s != null) ? s : (_cachedStrings[i] = new String(_array, _offset[i], _length[i]));
}
final String[] newCachedStrings = new String[_offset.length];
if (_cachedStrings != null && i >= _cachedStrings.length) {
System.arraycopy(_cachedStrings, 0, newCachedStrings, 0, _cachedStrings.length);
}
_cachedStrings = newCachedStrings;
return _cachedStrings[i] = new String(_array, _offset[i], _length[i]);
}
public final void ensureSize(int l) {
if (_arrayIndex + l >= _array.length) {
resizeArray(_arrayIndex + l);
}
}
public final void add(int l) {
if (_size == _offset.length) {
resize();
}
_cachedIndex = _size;
_offset[_size] = _arrayIndex;
_length[_size++] = l;
_arrayIndex += l;
}
public final int add(char[] c, int l) {
if (_size == _offset.length) {
resize();
}
final int oldArrayIndex = _arrayIndex;
final int arrayIndex = oldArrayIndex + l;
_cachedIndex = _size;
_offset[_size] = oldArrayIndex;
_length[_size++] = l;
if (arrayIndex >= _array.length) {
resizeArray(arrayIndex);
}
System.arraycopy(c, 0, _array, oldArrayIndex, l);
_arrayIndex = arrayIndex;
return oldArrayIndex;
}
protected final void resize() {
if (_size == _maximumCapacity) {
throw new ValueArrayResourceException(CommonResourceBundle.getInstance().getString("message.arrayMaxCapacity"));
}
int newSize = _size * 3 / 2 + 1;
if (newSize > _maximumCapacity) {
newSize = _maximumCapacity;
}
final int[] offset = new int[newSize];
System.arraycopy(_offset, 0, offset, 0, _size);
_offset = offset;
final int[] length = new int[newSize];
System.arraycopy(_length, 0, length, 0, _size);
_length = length;
}
protected final void resizeArray(int requestedSize) {
if (_arrayIndex == _maximumCharacterSize) {
throw new ValueArrayResourceException(CommonResourceBundle.getInstance().getString("message.maxNumberOfCharacters"));
}
int newSize = requestedSize * 3 / 2 + 1;
if (newSize > _maximumCharacterSize) {
newSize = _maximumCharacterSize;
}
final char[] array = new char[newSize];
System.arraycopy(_array, 0, array, 0, _arrayIndex);
_array = array;
}
}
