245 lines
8.3 KiB
Java
245 lines
8.3 KiB
Java
/*
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* Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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* THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
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*/
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package com.sun.xml.internal.fastinfoset.util;
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import com.sun.xml.internal.fastinfoset.CommonResourceBundle;
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public class ContiguousCharArrayArray extends ValueArray {
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public static final int INITIAL_CHARACTER_SIZE = 512;
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public static final int MAXIMUM_CHARACTER_SIZE = Integer.MAX_VALUE;
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protected int _maximumCharacterSize;
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public int[] _offset;
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public int[] _length;
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public char[] _array;
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public int _arrayIndex;
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public int _readOnlyArrayIndex;
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private String[] _cachedStrings;
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public int _cachedIndex;
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private ContiguousCharArrayArray _readOnlyArray;
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public ContiguousCharArrayArray(int initialCapacity, int maximumCapacity,
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int initialCharacterSize, int maximumCharacterSize) {
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_offset = new int[initialCapacity];
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_length = new int[initialCapacity];
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_array = new char[initialCharacterSize];
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_maximumCapacity = maximumCapacity;
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_maximumCharacterSize = maximumCharacterSize;
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}
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public ContiguousCharArrayArray() {
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this(DEFAULT_CAPACITY, MAXIMUM_CAPACITY,
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INITIAL_CHARACTER_SIZE, MAXIMUM_CHARACTER_SIZE);
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}
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public final void clear() {
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_arrayIndex = _readOnlyArrayIndex;
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_size = _readOnlyArraySize;
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if (_cachedStrings != null) {
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for (int i = _readOnlyArraySize; i < _cachedStrings.length; i++) {
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_cachedStrings[i] = null;
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}
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}
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}
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public final int getArrayIndex() {
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return _arrayIndex;
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}
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public final void setReadOnlyArray(ValueArray readOnlyArray, boolean clear) {
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if (!(readOnlyArray instanceof ContiguousCharArrayArray)) {
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throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.illegalClass", new Object[]{readOnlyArray}));
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}
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setReadOnlyArray((ContiguousCharArrayArray)readOnlyArray, clear);
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}
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public final void setReadOnlyArray(ContiguousCharArrayArray readOnlyArray, boolean clear) {
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if (readOnlyArray != null) {
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_readOnlyArray = readOnlyArray;
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_readOnlyArraySize = readOnlyArray.getSize();
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_readOnlyArrayIndex = readOnlyArray.getArrayIndex();
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if (clear) {
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clear();
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}
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_array = getCompleteCharArray();
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_offset = getCompleteOffsetArray();
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_length = getCompleteLengthArray();
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_size = _readOnlyArraySize;
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_arrayIndex = _readOnlyArrayIndex;
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}
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}
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public final char[] getCompleteCharArray() {
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if (_readOnlyArray == null) {
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if (_array == null) return null;
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// Return cloned version of internal _array
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final char[] clonedArray = new char[_array.length];
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System.arraycopy(_array, 0, clonedArray, 0, _array.length);
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return clonedArray;
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// return _array;
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} else {
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final char[] ra = _readOnlyArray.getCompleteCharArray();
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final char[] a = new char[_readOnlyArrayIndex + _array.length];
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System.arraycopy(ra, 0, a, 0, _readOnlyArrayIndex);
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return a;
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}
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}
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public final int[] getCompleteOffsetArray() {
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if (_readOnlyArray == null) {
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if (_offset == null) return null;
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// Return cloned version of internal _offset
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final int[] clonedArray = new int[_offset.length];
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System.arraycopy(_offset, 0, clonedArray, 0, _offset.length);
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return clonedArray;
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// return _offset;
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} else {
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final int[] ra = _readOnlyArray.getCompleteOffsetArray();
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final int[] a = new int[_readOnlyArraySize + _offset.length];
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System.arraycopy(ra, 0, a, 0, _readOnlyArraySize);
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return a;
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}
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}
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public final int[] getCompleteLengthArray() {
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if (_readOnlyArray == null) {
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if (_length == null) return null;
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// Return cloned version of internal _length
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final int[] clonedArray = new int[_length.length];
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System.arraycopy(_length, 0, clonedArray, 0, _length.length);
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return clonedArray;
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// return _length;
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} else {
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final int[] ra = _readOnlyArray.getCompleteLengthArray();
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final int[] a = new int[_readOnlyArraySize + _length.length];
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System.arraycopy(ra, 0, a, 0, _readOnlyArraySize);
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return a;
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}
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}
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public final String getString(int i) {
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if (_cachedStrings != null && i < _cachedStrings.length) {
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final String s = _cachedStrings[i];
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return (s != null) ? s : (_cachedStrings[i] = new String(_array, _offset[i], _length[i]));
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}
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final String[] newCachedStrings = new String[_offset.length];
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if (_cachedStrings != null && i >= _cachedStrings.length) {
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System.arraycopy(_cachedStrings, 0, newCachedStrings, 0, _cachedStrings.length);
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}
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_cachedStrings = newCachedStrings;
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return _cachedStrings[i] = new String(_array, _offset[i], _length[i]);
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}
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public final void ensureSize(int l) {
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if (_arrayIndex + l >= _array.length) {
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resizeArray(_arrayIndex + l);
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}
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}
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public final void add(int l) {
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if (_size == _offset.length) {
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resize();
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}
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_cachedIndex = _size;
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_offset[_size] = _arrayIndex;
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_length[_size++] = l;
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_arrayIndex += l;
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}
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public final int add(char[] c, int l) {
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if (_size == _offset.length) {
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resize();
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}
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final int oldArrayIndex = _arrayIndex;
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final int arrayIndex = oldArrayIndex + l;
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_cachedIndex = _size;
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_offset[_size] = oldArrayIndex;
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_length[_size++] = l;
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if (arrayIndex >= _array.length) {
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resizeArray(arrayIndex);
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}
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System.arraycopy(c, 0, _array, oldArrayIndex, l);
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_arrayIndex = arrayIndex;
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return oldArrayIndex;
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}
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protected final void resize() {
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if (_size == _maximumCapacity) {
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throw new ValueArrayResourceException(CommonResourceBundle.getInstance().getString("message.arrayMaxCapacity"));
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}
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int newSize = _size * 3 / 2 + 1;
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if (newSize > _maximumCapacity) {
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newSize = _maximumCapacity;
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}
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final int[] offset = new int[newSize];
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System.arraycopy(_offset, 0, offset, 0, _size);
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_offset = offset;
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final int[] length = new int[newSize];
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System.arraycopy(_length, 0, length, 0, _size);
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_length = length;
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}
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protected final void resizeArray(int requestedSize) {
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if (_arrayIndex == _maximumCharacterSize) {
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throw new ValueArrayResourceException(CommonResourceBundle.getInstance().getString("message.maxNumberOfCharacters"));
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}
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int newSize = requestedSize * 3 / 2 + 1;
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if (newSize > _maximumCharacterSize) {
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newSize = _maximumCharacterSize;
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}
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final char[] array = new char[newSize];
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System.arraycopy(_array, 0, array, 0, _arrayIndex);
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_array = array;
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}
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}
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