1 /* 2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.xml.internal.stream.buffer; 27 28 @SuppressWarnings("PointlessBitwiseExpression") 29 public abstract class AbstractCreatorProcessor { 30 /** 31 * Flag on a T_DOCUMENT to indicate if a fragment 32 */ 33 protected static final int FLAG_DOCUMENT_FRAGMENT = 1 << 0; 34 35 /* 36 * Flags on T_ELEMENT, T_ATTRIBUTE, T_NAMESPACE_ATTRIBUTE 37 * to indicate namespace information is represent 38 */ 39 protected static final int FLAG_PREFIX = 1 << 0; 40 protected static final int FLAG_URI = 1 << 1; 41 protected static final int FLAG_QUALIFIED_NAME = 1 << 2; 42 43 /* 44 * Types of content for T_TEXT and T_COMMENT 45 * <p> 46 * Highest 2 bits of lower nibble are used. 47 */ 48 protected static final int CONTENT_TYPE_CHAR_ARRAY = 0 << 2; 49 protected static final int CONTENT_TYPE_CHAR_ARRAY_COPY = 1 << 2; 50 protected static final int CONTENT_TYPE_STRING = 2 << 2; 51 protected static final int CONTENT_TYPE_OBJECT = 3 << 2; 52 53 /* 54 * Size of the length of character content for CONTENT_TYPE_CHAR_ARRAY 55 * <p> 56 * Last bit of lower nibble is used. 57 */ 58 protected static final int CHAR_ARRAY_LENGTH_SMALL = 0; 59 protected static final int CHAR_ARRAY_LENGTH_MEDIUM = 1; 60 protected static final int CHAR_ARRAY_LENGTH_SMALL_SIZE = 1 << 8; 61 protected static final int CHAR_ARRAY_LENGTH_MEDIUM_SIZE = 1 << 16; 62 63 /* 64 * Types of value for T_ATTRIBUTE 65 * <p> 66 * Highest bit of lower nibble is used. 67 */ 68 protected static final int VALUE_TYPE_STRING = 0; 69 protected static final int VALUE_TYPE_OBJECT = 1 << 3; 70 71 /* 72 * Mask for types. 73 * <p> 74 * Highest nibble is used. 75 */ 76 protected static final int TYPE_MASK = 0xF0; 77 protected static final int T_DOCUMENT = 0x10; 78 protected static final int T_ELEMENT = 0x20; 79 protected static final int T_ATTRIBUTE = 0x30; 80 protected static final int T_NAMESPACE_ATTRIBUTE = 0x40; 81 protected static final int T_TEXT = 0x50; 82 protected static final int T_COMMENT = 0x60; 83 protected static final int T_PROCESSING_INSTRUCTION = 0x70; 84 protected static final int T_UNEXPANDED_ENTITY_REFERENCE = 0x80; 85 protected static final int T_END = 0x90; 86 87 /* 88 * Composed types. 89 * <p> 90 * One octet is used. 91 */ 92 protected static final int T_DOCUMENT_FRAGMENT = T_DOCUMENT | FLAG_DOCUMENT_FRAGMENT; 93 94 protected static final int T_ELEMENT_U_LN_QN = T_ELEMENT | FLAG_URI | FLAG_QUALIFIED_NAME; 95 protected static final int T_ELEMENT_P_U_LN = T_ELEMENT | FLAG_PREFIX | FLAG_URI; 96 protected static final int T_ELEMENT_U_LN = T_ELEMENT | FLAG_URI; 97 protected static final int T_ELEMENT_LN = T_ELEMENT; 98 99 protected static final int T_NAMESPACE_ATTRIBUTE_P = T_NAMESPACE_ATTRIBUTE | FLAG_PREFIX; 100 protected static final int T_NAMESPACE_ATTRIBUTE_P_U = T_NAMESPACE_ATTRIBUTE | FLAG_PREFIX | FLAG_URI; 101 protected static final int T_NAMESPACE_ATTRIBUTE_U = T_NAMESPACE_ATTRIBUTE | FLAG_URI; 102 103 protected static final int T_ATTRIBUTE_U_LN_QN = T_ATTRIBUTE | FLAG_URI | FLAG_QUALIFIED_NAME; 104 protected static final int T_ATTRIBUTE_P_U_LN = T_ATTRIBUTE | FLAG_PREFIX | FLAG_URI; 105 protected static final int T_ATTRIBUTE_U_LN = T_ATTRIBUTE | FLAG_URI; 106 protected static final int T_ATTRIBUTE_LN = T_ATTRIBUTE; 107 protected static final int T_ATTRIBUTE_U_LN_QN_OBJECT = T_ATTRIBUTE_U_LN_QN | VALUE_TYPE_OBJECT; 108 protected static final int T_ATTRIBUTE_P_U_LN_OBJECT = T_ATTRIBUTE_P_U_LN | VALUE_TYPE_OBJECT; 109 protected static final int T_ATTRIBUTE_U_LN_OBJECT = T_ATTRIBUTE_U_LN | VALUE_TYPE_OBJECT; 110 protected static final int T_ATTRIBUTE_LN_OBJECT = T_ATTRIBUTE_LN | VALUE_TYPE_OBJECT; 111 112 protected static final int T_TEXT_AS_CHAR_ARRAY = T_TEXT; 113 protected static final int T_TEXT_AS_CHAR_ARRAY_SMALL = T_TEXT | CHAR_ARRAY_LENGTH_SMALL; 114 protected static final int T_TEXT_AS_CHAR_ARRAY_MEDIUM = T_TEXT | CHAR_ARRAY_LENGTH_MEDIUM; 115 protected static final int T_TEXT_AS_CHAR_ARRAY_COPY = T_TEXT | CONTENT_TYPE_CHAR_ARRAY_COPY; 116 protected static final int T_TEXT_AS_STRING = T_TEXT | CONTENT_TYPE_STRING; 117 protected static final int T_TEXT_AS_OBJECT = T_TEXT | CONTENT_TYPE_OBJECT; 118 119 protected static final int T_COMMENT_AS_CHAR_ARRAY = T_COMMENT; 120 protected static final int T_COMMENT_AS_CHAR_ARRAY_SMALL = T_COMMENT | CHAR_ARRAY_LENGTH_SMALL; 121 protected static final int T_COMMENT_AS_CHAR_ARRAY_MEDIUM = T_COMMENT | CHAR_ARRAY_LENGTH_MEDIUM; 122 protected static final int T_COMMENT_AS_CHAR_ARRAY_COPY = T_COMMENT | CONTENT_TYPE_CHAR_ARRAY_COPY; 123 protected static final int T_COMMENT_AS_STRING = T_COMMENT | CONTENT_TYPE_STRING; 124 125 protected static final int T_END_OF_BUFFER = -1; 126 127 protected FragmentedArray<byte[]> _currentStructureFragment; 128 protected byte[] _structure; 129 protected int _structurePtr; 130 131 protected FragmentedArray<String[]> _currentStructureStringFragment; 132 protected String[] _structureStrings; 133 protected int _structureStringsPtr; 134 135 protected FragmentedArray<char[]> _currentContentCharactersBufferFragment; 136 protected char[] _contentCharactersBuffer; 137 protected int _contentCharactersBufferPtr; 138 139 protected FragmentedArray<Object[]> _currentContentObjectFragment; 140 protected Object[] _contentObjects; 141 protected int _contentObjectsPtr; 142 } 143