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src/share/jaxws_classes/com/sun/xml/internal/stream/buffer/AbstractProcessor.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/stream/buffer/AbstractProcessor.java

Thu, 31 Aug 2017 15:18:52 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:18:52 +0800

changeset 637

9c07ef4934dd

parent 397

b99d7e355d4b

parent 0

373ffda63c9a

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	package com.sun.xml.internal.stream.buffer;
aoqi@0	27
aoqi@0	28	/**
aoqi@0	29	* Base class for classes that processes {@link XMLStreamBuffer}
aoqi@0	30	* and produces infoset in API-specific form.
aoqi@0	31	*/
aoqi@0	32	public abstract class AbstractProcessor extends AbstractCreatorProcessor {
aoqi@0	33	protected static final int STATE_ILLEGAL = 0;
aoqi@0	34
aoqi@0	35	protected static final int STATE_DOCUMENT = 1;
aoqi@0	36	protected static final int STATE_DOCUMENT_FRAGMENT = 2;
aoqi@0	37	protected static final int STATE_ELEMENT_U_LN_QN = 3;
aoqi@0	38	protected static final int STATE_ELEMENT_P_U_LN = 4;
aoqi@0	39	protected static final int STATE_ELEMENT_U_LN = 5;
aoqi@0	40	protected static final int STATE_ELEMENT_LN = 6;
aoqi@0	41	protected static final int STATE_TEXT_AS_CHAR_ARRAY_SMALL = 7;
aoqi@0	42	protected static final int STATE_TEXT_AS_CHAR_ARRAY_MEDIUM = 8;
aoqi@0	43	protected static final int STATE_TEXT_AS_CHAR_ARRAY_COPY = 9;
aoqi@0	44	protected static final int STATE_TEXT_AS_STRING = 10;
aoqi@0	45	protected static final int STATE_TEXT_AS_OBJECT = 11;
aoqi@0	46	protected static final int STATE_COMMENT_AS_CHAR_ARRAY_SMALL = 12;
aoqi@0	47	protected static final int STATE_COMMENT_AS_CHAR_ARRAY_MEDIUM = 13;
aoqi@0	48	protected static final int STATE_COMMENT_AS_CHAR_ARRAY_COPY = 14;
aoqi@0	49	protected static final int STATE_COMMENT_AS_STRING = 15;
aoqi@0	50	protected static final int STATE_PROCESSING_INSTRUCTION = 16;
aoqi@0	51	protected static final int STATE_END = 17;
aoqi@0	52	private static final int[] _eiiStateTable = new int[256];
aoqi@0	53
aoqi@0	54	protected static final int STATE_NAMESPACE_ATTRIBUTE = 1;
aoqi@0	55	protected static final int STATE_NAMESPACE_ATTRIBUTE_P = 2;
aoqi@0	56	protected static final int STATE_NAMESPACE_ATTRIBUTE_P_U = 3;
aoqi@0	57	protected static final int STATE_NAMESPACE_ATTRIBUTE_U = 4;
aoqi@0	58	private static final int[] _niiStateTable = new int[256];
aoqi@0	59
aoqi@0	60	protected static final int STATE_ATTRIBUTE_U_LN_QN = 1;
aoqi@0	61	protected static final int STATE_ATTRIBUTE_P_U_LN = 2;
aoqi@0	62	protected static final int STATE_ATTRIBUTE_U_LN = 3;
aoqi@0	63	protected static final int STATE_ATTRIBUTE_LN = 4;
aoqi@0	64	protected static final int STATE_ATTRIBUTE_U_LN_QN_OBJECT = 5;
aoqi@0	65	protected static final int STATE_ATTRIBUTE_P_U_LN_OBJECT = 6;
aoqi@0	66	protected static final int STATE_ATTRIBUTE_U_LN_OBJECT = 7;
aoqi@0	67	protected static final int STATE_ATTRIBUTE_LN_OBJECT = 8;
aoqi@0	68	private static final int[] _aiiStateTable = new int[256];
aoqi@0	69
aoqi@0	70	static {
aoqi@0	71	/*
aoqi@0	72	* Create a state table from information items and options.
aoqi@0	73	* The swtich statement using such states will often generate a more
aoqi@0	74	* efficient byte code representation that can be hotspotted using
aoqi@0	75	* jump tables.
aoqi@0	76	*/
aoqi@0	77	_eiiStateTable[T_DOCUMENT] = STATE_DOCUMENT;
aoqi@0	78	_eiiStateTable[T_DOCUMENT_FRAGMENT] = STATE_DOCUMENT_FRAGMENT;
aoqi@0	79	_eiiStateTable[T_ELEMENT_U_LN_QN] = STATE_ELEMENT_U_LN_QN;
aoqi@0	80	_eiiStateTable[T_ELEMENT_P_U_LN] = STATE_ELEMENT_P_U_LN;
aoqi@0	81	_eiiStateTable[T_ELEMENT_U_LN] = STATE_ELEMENT_U_LN;
aoqi@0	82	_eiiStateTable[T_ELEMENT_LN] = STATE_ELEMENT_LN;
aoqi@0	83	_eiiStateTable[T_TEXT_AS_CHAR_ARRAY_SMALL] = STATE_TEXT_AS_CHAR_ARRAY_SMALL;
aoqi@0	84	_eiiStateTable[T_TEXT_AS_CHAR_ARRAY_MEDIUM] = STATE_TEXT_AS_CHAR_ARRAY_MEDIUM;
aoqi@0	85	_eiiStateTable[T_TEXT_AS_CHAR_ARRAY_COPY] = STATE_TEXT_AS_CHAR_ARRAY_COPY;
aoqi@0	86	_eiiStateTable[T_TEXT_AS_STRING] = STATE_TEXT_AS_STRING;
aoqi@0	87	_eiiStateTable[T_TEXT_AS_OBJECT] = STATE_TEXT_AS_OBJECT;
aoqi@0	88	_eiiStateTable[T_COMMENT_AS_CHAR_ARRAY_SMALL] = STATE_COMMENT_AS_CHAR_ARRAY_SMALL;
aoqi@0	89	_eiiStateTable[T_COMMENT_AS_CHAR_ARRAY_MEDIUM] = STATE_COMMENT_AS_CHAR_ARRAY_MEDIUM;
aoqi@0	90	_eiiStateTable[T_COMMENT_AS_CHAR_ARRAY_COPY] = STATE_COMMENT_AS_CHAR_ARRAY_COPY;
aoqi@0	91	_eiiStateTable[T_COMMENT_AS_STRING] = STATE_COMMENT_AS_STRING;
aoqi@0	92	_eiiStateTable[T_PROCESSING_INSTRUCTION] = STATE_PROCESSING_INSTRUCTION;
aoqi@0	93	_eiiStateTable[T_END] = STATE_END;
aoqi@0	94
aoqi@0	95	_niiStateTable[T_NAMESPACE_ATTRIBUTE] = STATE_NAMESPACE_ATTRIBUTE;
aoqi@0	96	_niiStateTable[T_NAMESPACE_ATTRIBUTE_P] = STATE_NAMESPACE_ATTRIBUTE_P;
aoqi@0	97	_niiStateTable[T_NAMESPACE_ATTRIBUTE_P_U] = STATE_NAMESPACE_ATTRIBUTE_P_U;
aoqi@0	98	_niiStateTable[T_NAMESPACE_ATTRIBUTE_U] = STATE_NAMESPACE_ATTRIBUTE_U;
aoqi@0	99
aoqi@0	100	_aiiStateTable[T_ATTRIBUTE_U_LN_QN] = STATE_ATTRIBUTE_U_LN_QN;
aoqi@0	101	_aiiStateTable[T_ATTRIBUTE_P_U_LN] = STATE_ATTRIBUTE_P_U_LN;
aoqi@0	102	_aiiStateTable[T_ATTRIBUTE_U_LN] = STATE_ATTRIBUTE_U_LN;
aoqi@0	103	_aiiStateTable[T_ATTRIBUTE_LN] = STATE_ATTRIBUTE_LN;
aoqi@0	104	_aiiStateTable[T_ATTRIBUTE_U_LN_QN_OBJECT] = STATE_ATTRIBUTE_U_LN_QN_OBJECT;
aoqi@0	105	_aiiStateTable[T_ATTRIBUTE_P_U_LN_OBJECT] = STATE_ATTRIBUTE_P_U_LN_OBJECT;
aoqi@0	106	_aiiStateTable[T_ATTRIBUTE_U_LN_OBJECT] = STATE_ATTRIBUTE_U_LN_OBJECT;
aoqi@0	107	_aiiStateTable[T_ATTRIBUTE_LN_OBJECT] = STATE_ATTRIBUTE_LN_OBJECT;
aoqi@0	108	}
aoqi@0	109
aoqi@0	110	protected XMLStreamBuffer _buffer;
aoqi@0	111
aoqi@0	112	/**
aoqi@0	113	* True if this processor should create a fragment of XML, without the start/end document markers.
aoqi@0	114	*/
aoqi@0	115	protected boolean _fragmentMode;
aoqi@0	116
aoqi@0	117	protected boolean _stringInterningFeature = false;
aoqi@0	118
aoqi@0	119	/**
aoqi@0	120	* Number of remaining XML element trees that should be visible
aoqi@0	121	* through this {@link AbstractProcessor}.
aoqi@0	122	*/
aoqi@0	123	protected int _treeCount;
aoqi@0	124
aoqi@0	125	/**
aoqi@0	126	* @deprecated
aoqi@0	127	* Use {@link #setBuffer(XMLStreamBuffer, boolean)}
aoqi@0	128	*/
aoqi@0	129	protected final void setBuffer(XMLStreamBuffer buffer) {
aoqi@0	130	setBuffer(buffer,buffer.isFragment());
aoqi@0	131	}
aoqi@0	132	protected final void setBuffer(XMLStreamBuffer buffer, boolean fragmentMode) {
aoqi@0	133	_buffer = buffer;
aoqi@0	134	_fragmentMode = fragmentMode;
aoqi@0	135
aoqi@0	136	_currentStructureFragment = _buffer.getStructure();
aoqi@0	137	_structure = _currentStructureFragment.getArray();
aoqi@0	138	_structurePtr = _buffer.getStructurePtr();
aoqi@0	139
aoqi@0	140	_currentStructureStringFragment = _buffer.getStructureStrings();
aoqi@0	141	_structureStrings = _currentStructureStringFragment.getArray();
aoqi@0	142	_structureStringsPtr = _buffer.getStructureStringsPtr();
aoqi@0	143
aoqi@0	144	_currentContentCharactersBufferFragment = _buffer.getContentCharactersBuffer();
aoqi@0	145	_contentCharactersBuffer = _currentContentCharactersBufferFragment.getArray();
aoqi@0	146	_contentCharactersBufferPtr = _buffer.getContentCharactersBufferPtr();
aoqi@0	147
aoqi@0	148	_currentContentObjectFragment = _buffer.getContentObjects();
aoqi@0	149	_contentObjects = _currentContentObjectFragment.getArray();
aoqi@0	150	_contentObjectsPtr = _buffer.getContentObjectsPtr();
aoqi@0	151
aoqi@0	152	_stringInterningFeature = _buffer.hasInternedStrings();
aoqi@0	153	_treeCount = _buffer.treeCount;
aoqi@0	154	}
aoqi@0	155
aoqi@0	156	protected final int peekStructure() {
aoqi@0	157	if (_structurePtr < _structure.length) {
aoqi@0	158	return _structure[_structurePtr] & 255;
aoqi@0	159	}
aoqi@0	160
aoqi@0	161	return readFromNextStructure(0);
aoqi@0	162	}
aoqi@0	163
aoqi@0	164	protected final int readStructure() {
aoqi@0	165	if (_structurePtr < _structure.length) {
aoqi@0	166	return _structure[_structurePtr++] & 255;
aoqi@0	167	}
aoqi@0	168
aoqi@0	169	return readFromNextStructure(1);
aoqi@0	170	}
aoqi@0	171
aoqi@0	172	protected final int readEiiState() {
aoqi@0	173	return _eiiStateTable[readStructure()];
aoqi@0	174	}
aoqi@0	175
aoqi@0	176	protected static int getEIIState(int item) {
aoqi@0	177	return _eiiStateTable[item];
aoqi@0	178	}
aoqi@0	179
aoqi@0	180	protected static int getNIIState(int item) {
aoqi@0	181	return _niiStateTable[item];
aoqi@0	182	}
aoqi@0	183
aoqi@0	184	protected static int getAIIState(int item) {
aoqi@0	185	return _aiiStateTable[item];
aoqi@0	186	}
aoqi@0	187
aoqi@0	188	protected final int readStructure16() {
aoqi@0	189	return (readStructure() << 8) | readStructure();
aoqi@0	190	}
aoqi@0	191
aoqi@0	192	private int readFromNextStructure(int v) {
aoqi@0	193	_structurePtr = v;
aoqi@0	194	_currentStructureFragment = _currentStructureFragment.getNext();
aoqi@0	195	_structure = _currentStructureFragment.getArray();
aoqi@0	196	return _structure[0] & 255;
aoqi@0	197	}
aoqi@0	198
aoqi@0	199	protected final String readStructureString() {
aoqi@0	200	if (_structureStringsPtr < _structureStrings.length) {
aoqi@0	201	return _structureStrings[_structureStringsPtr++];
aoqi@0	202	}
aoqi@0	203
aoqi@0	204	_structureStringsPtr = 1;
aoqi@0	205	_currentStructureStringFragment = _currentStructureStringFragment.getNext();
aoqi@0	206	_structureStrings = _currentStructureStringFragment.getArray();
aoqi@0	207	return _structureStrings[0];
aoqi@0	208	}
aoqi@0	209
aoqi@0	210	protected final String readContentString() {
aoqi@0	211	return (String)readContentObject();
aoqi@0	212	}
aoqi@0	213
aoqi@0	214	protected final char[] readContentCharactersCopy() {
aoqi@0	215	return (char[])readContentObject();
aoqi@0	216	}
aoqi@0	217
aoqi@0	218	protected final int readContentCharactersBuffer(int length) {
aoqi@0	219	if (_contentCharactersBufferPtr + length < _contentCharactersBuffer.length) {
aoqi@0	220	final int start = _contentCharactersBufferPtr;
aoqi@0	221	_contentCharactersBufferPtr += length;
aoqi@0	222	return start;
aoqi@0	223	}
aoqi@0	224
aoqi@0	225	_contentCharactersBufferPtr = length;
aoqi@0	226	_currentContentCharactersBufferFragment = _currentContentCharactersBufferFragment.getNext();
aoqi@0	227	_contentCharactersBuffer = _currentContentCharactersBufferFragment.getArray();
aoqi@0	228	return 0;
aoqi@0	229	}
aoqi@0	230
aoqi@0	231	protected final Object readContentObject() {
aoqi@0	232	if (_contentObjectsPtr < _contentObjects.length) {
aoqi@0	233	return _contentObjects[_contentObjectsPtr++];
aoqi@0	234	}
aoqi@0	235
aoqi@0	236	_contentObjectsPtr = 1;
aoqi@0	237	_currentContentObjectFragment = _currentContentObjectFragment.getNext();
aoqi@0	238	_contentObjects = _currentContentObjectFragment.getArray();
aoqi@0	239	return _contentObjects[0];
aoqi@0	240	}
aoqi@0	241
aoqi@0	242	protected final StringBuilder _qNameBuffer = new StringBuilder();
aoqi@0	243
aoqi@0	244	protected final String getQName(String prefix, String localName) {
aoqi@0	245	_qNameBuffer.append(prefix).append(':').append(localName);
aoqi@0	246	final String qName = _qNameBuffer.toString();
aoqi@0	247	_qNameBuffer.setLength(0);
aoqi@0	248	return (_stringInterningFeature) ? qName.intern() : qName;
aoqi@0	249	}
aoqi@0	250
aoqi@0	251	protected final String getPrefixFromQName(String qName) {
aoqi@0	252	int pIndex = qName.indexOf(':');
aoqi@0	253	if (_stringInterningFeature) {
aoqi@0	254	return (pIndex != -1) ? qName.substring(0,pIndex).intern() : "";
aoqi@0	255	} else {
aoqi@0	256	return (pIndex != -1) ? qName.substring(0,pIndex) : "";
aoqi@0	257	}
aoqi@0	258	}
aoqi@0	259	}