Thu, 31 Aug 2017 15:18:52 +0800
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.stax; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import com.sun.xml.internal.stream.buffer.AbstractProcessor; |
aoqi@0 | 29 | import com.sun.xml.internal.stream.buffer.AttributesHolder; |
aoqi@0 | 30 | import com.sun.xml.internal.stream.buffer.XMLStreamBuffer; |
aoqi@0 | 31 | import com.sun.xml.internal.stream.buffer.XMLStreamBufferMark; |
aoqi@0 | 32 | import com.sun.xml.internal.org.jvnet.staxex.NamespaceContextEx; |
aoqi@0 | 33 | import com.sun.xml.internal.org.jvnet.staxex.XMLStreamReaderEx; |
aoqi@0 | 34 | |
aoqi@0 | 35 | import javax.xml.XMLConstants; |
aoqi@0 | 36 | import javax.xml.namespace.QName; |
aoqi@0 | 37 | import javax.xml.stream.Location; |
aoqi@0 | 38 | import javax.xml.stream.XMLStreamException; |
aoqi@0 | 39 | import javax.xml.stream.XMLStreamReader; |
aoqi@0 | 40 | import java.util.*; |
aoqi@0 | 41 | |
aoqi@0 | 42 | /** |
aoqi@0 | 43 | * A processor of a {@link XMLStreamBuffer} that reads the XML infoset as |
aoqi@0 | 44 | * {@link XMLStreamReader}. |
aoqi@0 | 45 | * |
aoqi@0 | 46 | * <p> |
aoqi@0 | 47 | * Because of {@link XMLStreamReader} design, this processor always produce |
aoqi@0 | 48 | * a full document infoset, even if the buffer just contains a fragment. |
aoqi@0 | 49 | * |
aoqi@0 | 50 | * <p> |
aoqi@0 | 51 | * When {@link XMLStreamBuffer} contains a multiple tree (AKA "forest"), |
aoqi@0 | 52 | * {@link XMLStreamReader} will behave as if there are multiple root elements |
aoqi@0 | 53 | * (so you'll see {@link #START_ELEMENT} event where you'd normally expect |
aoqi@0 | 54 | * {@link #END_DOCUMENT}.) |
aoqi@0 | 55 | * |
aoqi@0 | 56 | * @author Paul.Sandoz@Sun.Com |
aoqi@0 | 57 | * @author K.Venugopal@sun.com |
aoqi@0 | 58 | */ |
aoqi@0 | 59 | public class StreamReaderBufferProcessor extends AbstractProcessor implements XMLStreamReaderEx { |
aoqi@0 | 60 | private static final int CACHE_SIZE = 16; |
aoqi@0 | 61 | |
aoqi@0 | 62 | // Stack to hold element and namespace declaration information |
aoqi@0 | 63 | protected ElementStackEntry[] _stack = new ElementStackEntry[CACHE_SIZE]; |
aoqi@0 | 64 | /** The top-most active entry of the {@link #_stack}. */ |
aoqi@0 | 65 | protected ElementStackEntry _stackTop; |
aoqi@0 | 66 | /** The element depth that we are in. Used to determine when we are done with a tree. */ |
aoqi@0 | 67 | protected int _depth; |
aoqi@0 | 68 | |
aoqi@0 | 69 | // Arrays to hold all namespace declarations |
aoqi@0 | 70 | /** |
aoqi@0 | 71 | * Namespace prefixes. Can be empty but not null. |
aoqi@0 | 72 | */ |
aoqi@0 | 73 | protected String[] _namespaceAIIsPrefix = new String[CACHE_SIZE]; |
aoqi@0 | 74 | protected String[] _namespaceAIIsNamespaceName = new String[CACHE_SIZE]; |
aoqi@0 | 75 | protected int _namespaceAIIsEnd; |
aoqi@0 | 76 | |
aoqi@0 | 77 | // Internal namespace context implementation |
aoqi@0 | 78 | protected InternalNamespaceContext _nsCtx = new InternalNamespaceContext(); |
aoqi@0 | 79 | |
aoqi@0 | 80 | // The current event type |
aoqi@0 | 81 | protected int _eventType; |
aoqi@0 | 82 | |
aoqi@0 | 83 | /** |
aoqi@0 | 84 | * Holder of the attributes. |
aoqi@0 | 85 | * |
aoqi@0 | 86 | * Be careful that this follows the SAX convention of using "" instead of null. |
aoqi@0 | 87 | */ |
aoqi@0 | 88 | protected AttributesHolder _attributeCache; |
aoqi@0 | 89 | |
aoqi@0 | 90 | // Characters as a CharSequence |
aoqi@0 | 91 | protected CharSequence _charSequence; |
aoqi@0 | 92 | |
aoqi@0 | 93 | // Characters as a char array with offset and length |
aoqi@0 | 94 | protected char[] _characters; |
aoqi@0 | 95 | protected int _textOffset; |
aoqi@0 | 96 | protected int _textLen; |
aoqi@0 | 97 | |
aoqi@0 | 98 | protected String _piTarget; |
aoqi@0 | 99 | protected String _piData; |
aoqi@0 | 100 | |
aoqi@0 | 101 | // |
aoqi@0 | 102 | // Represents the parser state wrt the end of parsing. |
aoqi@0 | 103 | // |
aoqi@0 | 104 | /** |
aoqi@0 | 105 | * The parser is in the middle of parsing a document, |
aoqi@0 | 106 | * with no end in sight. |
aoqi@0 | 107 | */ |
aoqi@0 | 108 | private static final int PARSING = 1; |
aoqi@0 | 109 | /** |
aoqi@0 | 110 | * The parser has already reported the {@link #END_ELEMENT}, |
aoqi@0 | 111 | * and we are parsing a fragment. We'll report {@link #END_DOCUMENT} |
aoqi@0 | 112 | * next and be done. |
aoqi@0 | 113 | */ |
aoqi@0 | 114 | private static final int PENDING_END_DOCUMENT = 2; |
aoqi@0 | 115 | /** |
aoqi@0 | 116 | * The parser has reported the {@link #END_DOCUMENT} event, |
aoqi@0 | 117 | * so we are really done parsing. |
aoqi@0 | 118 | */ |
aoqi@0 | 119 | private static final int COMPLETED = 3; |
aoqi@0 | 120 | |
aoqi@0 | 121 | /** |
aoqi@0 | 122 | * True if processing is complete. |
aoqi@0 | 123 | */ |
aoqi@0 | 124 | private int _completionState; |
aoqi@0 | 125 | |
aoqi@0 | 126 | public StreamReaderBufferProcessor() { |
aoqi@0 | 127 | for (int i=0; i < _stack.length; i++){ |
aoqi@0 | 128 | _stack[i] = new ElementStackEntry(); |
aoqi@0 | 129 | } |
aoqi@0 | 130 | |
aoqi@0 | 131 | _attributeCache = new AttributesHolder(); |
aoqi@0 | 132 | } |
aoqi@0 | 133 | |
aoqi@0 | 134 | public StreamReaderBufferProcessor(XMLStreamBuffer buffer) throws XMLStreamException { |
aoqi@0 | 135 | this(); |
aoqi@0 | 136 | setXMLStreamBuffer(buffer); |
aoqi@0 | 137 | } |
aoqi@0 | 138 | |
aoqi@0 | 139 | public void setXMLStreamBuffer(XMLStreamBuffer buffer) throws XMLStreamException { |
aoqi@0 | 140 | setBuffer(buffer,buffer.isFragment()); |
aoqi@0 | 141 | |
aoqi@0 | 142 | _completionState = PARSING; |
aoqi@0 | 143 | _namespaceAIIsEnd = 0; |
aoqi@0 | 144 | _characters = null; |
aoqi@0 | 145 | _charSequence = null; |
aoqi@0 | 146 | _eventType = START_DOCUMENT; |
aoqi@0 | 147 | } |
aoqi@0 | 148 | |
aoqi@0 | 149 | /** |
aoqi@0 | 150 | * Does {@link #nextTag()} and if the parser moved to a new start tag, |
aoqi@0 | 151 | * returns a {@link XMLStreamBufferMark} that captures the infoset starting |
aoqi@0 | 152 | * from the newly discovered element. |
aoqi@0 | 153 | * |
aoqi@0 | 154 | * <p> |
aoqi@0 | 155 | * (Ideally we should have a method that works against the current position, |
aoqi@0 | 156 | * but the way the data structure is read makes this somewhat difficult.) |
aoqi@0 | 157 | * |
aoqi@0 | 158 | * This creates a new {@link XMLStreamBufferMark} that shares the underlying |
aoqi@0 | 159 | * data storage, thus it's fairly efficient. |
aoqi@0 | 160 | */ |
aoqi@0 | 161 | public XMLStreamBuffer nextTagAndMark() throws XMLStreamException { |
aoqi@0 | 162 | while (true) { |
aoqi@0 | 163 | int s = peekStructure(); |
aoqi@0 | 164 | if((s &TYPE_MASK)==T_ELEMENT) { |
aoqi@0 | 165 | // next is start element. |
aoqi@0 | 166 | Map<String,String> inscope = new HashMap<String, String>(_namespaceAIIsEnd); |
aoqi@0 | 167 | |
aoqi@0 | 168 | for (int i=0 ; i<_namespaceAIIsEnd; i++) |
aoqi@0 | 169 | inscope.put(_namespaceAIIsPrefix[i],_namespaceAIIsNamespaceName[i]); |
aoqi@0 | 170 | |
aoqi@0 | 171 | XMLStreamBufferMark mark = new XMLStreamBufferMark(inscope, this); |
aoqi@0 | 172 | next(); |
aoqi@0 | 173 | return mark; |
aoqi@0 | 174 | } else if((s &TYPE_MASK)==T_DOCUMENT) { |
aoqi@0 | 175 | //move the pointer to next structure. |
aoqi@0 | 176 | readStructure(); |
aoqi@0 | 177 | //mark the next start element |
aoqi@0 | 178 | XMLStreamBufferMark mark = new XMLStreamBufferMark(new HashMap<String, String>(_namespaceAIIsEnd), this); |
aoqi@0 | 179 | next(); |
aoqi@0 | 180 | return mark; |
aoqi@0 | 181 | } |
aoqi@0 | 182 | |
aoqi@0 | 183 | if(next()==END_ELEMENT) |
aoqi@0 | 184 | return null; |
aoqi@0 | 185 | } |
aoqi@0 | 186 | } |
aoqi@0 | 187 | |
aoqi@0 | 188 | public Object getProperty(String name) { |
aoqi@0 | 189 | return null; |
aoqi@0 | 190 | } |
aoqi@0 | 191 | |
aoqi@0 | 192 | public int next() throws XMLStreamException { |
aoqi@0 | 193 | switch(_completionState) { |
aoqi@0 | 194 | case COMPLETED: |
aoqi@0 | 195 | throw new XMLStreamException("Invalid State"); |
aoqi@0 | 196 | case PENDING_END_DOCUMENT: |
aoqi@0 | 197 | _namespaceAIIsEnd = 0; |
aoqi@0 | 198 | _completionState = COMPLETED; |
aoqi@0 | 199 | return _eventType = END_DOCUMENT; |
aoqi@0 | 200 | } |
aoqi@0 | 201 | |
aoqi@0 | 202 | // Pop the stack of elements |
aoqi@0 | 203 | // This is a post-processing operation |
aoqi@0 | 204 | // The stack of the element should be poppoed after |
aoqi@0 | 205 | // the END_ELEMENT event is returned so that the correct element name |
aoqi@0 | 206 | // and namespace scope is returned |
aoqi@0 | 207 | switch(_eventType) { |
aoqi@0 | 208 | case END_ELEMENT: |
aoqi@0 | 209 | if (_depth > 1) { |
aoqi@0 | 210 | _depth--; |
aoqi@0 | 211 | // _depth index is always set to the next free stack entry |
aoqi@0 | 212 | // to push |
aoqi@0 | 213 | popElementStack(_depth); |
aoqi@0 | 214 | } else if (_depth == 1) { |
aoqi@0 | 215 | _depth--; |
aoqi@0 | 216 | } |
aoqi@0 | 217 | } |
aoqi@0 | 218 | |
aoqi@0 | 219 | _characters = null; |
aoqi@0 | 220 | _charSequence = null; |
aoqi@0 | 221 | while(true) {// loop only if we read STATE_DOCUMENT |
aoqi@0 | 222 | int eiiState = readEiiState(); |
aoqi@0 | 223 | switch(eiiState) { |
aoqi@0 | 224 | case STATE_DOCUMENT: |
aoqi@0 | 225 | // we'll always produce a full document, and we've already report START_DOCUMENT event. |
aoqi@0 | 226 | // so simply skil this |
aoqi@0 | 227 | continue; |
aoqi@0 | 228 | case STATE_ELEMENT_U_LN_QN: { |
aoqi@0 | 229 | final String uri = readStructureString(); |
aoqi@0 | 230 | final String localName = readStructureString(); |
aoqi@0 | 231 | final String prefix = getPrefixFromQName(readStructureString()); |
aoqi@0 | 232 | |
aoqi@0 | 233 | processElement(prefix, uri, localName, isInscope(_depth)); |
aoqi@0 | 234 | return _eventType = START_ELEMENT; |
aoqi@0 | 235 | } |
aoqi@0 | 236 | case STATE_ELEMENT_P_U_LN: |
aoqi@0 | 237 | processElement(readStructureString(), readStructureString(), readStructureString(),isInscope(_depth)); |
aoqi@0 | 238 | return _eventType = START_ELEMENT; |
aoqi@0 | 239 | case STATE_ELEMENT_U_LN: |
aoqi@0 | 240 | processElement(null, readStructureString(), readStructureString(),isInscope(_depth)); |
aoqi@0 | 241 | return _eventType = START_ELEMENT; |
aoqi@0 | 242 | case STATE_ELEMENT_LN: |
aoqi@0 | 243 | processElement(null, null, readStructureString(),isInscope(_depth)); |
aoqi@0 | 244 | return _eventType = START_ELEMENT; |
aoqi@0 | 245 | case STATE_TEXT_AS_CHAR_ARRAY_SMALL: |
aoqi@0 | 246 | _textLen = readStructure(); |
aoqi@0 | 247 | _textOffset = readContentCharactersBuffer(_textLen); |
aoqi@0 | 248 | _characters = _contentCharactersBuffer; |
aoqi@0 | 249 | |
aoqi@0 | 250 | return _eventType = CHARACTERS; |
aoqi@0 | 251 | case STATE_TEXT_AS_CHAR_ARRAY_MEDIUM: |
aoqi@0 | 252 | _textLen = readStructure16(); |
aoqi@0 | 253 | _textOffset = readContentCharactersBuffer(_textLen); |
aoqi@0 | 254 | _characters = _contentCharactersBuffer; |
aoqi@0 | 255 | |
aoqi@0 | 256 | return _eventType = CHARACTERS; |
aoqi@0 | 257 | case STATE_TEXT_AS_CHAR_ARRAY_COPY: |
aoqi@0 | 258 | _characters = readContentCharactersCopy(); |
aoqi@0 | 259 | _textLen = _characters.length; |
aoqi@0 | 260 | _textOffset = 0; |
aoqi@0 | 261 | |
aoqi@0 | 262 | return _eventType = CHARACTERS; |
aoqi@0 | 263 | case STATE_TEXT_AS_STRING: |
aoqi@0 | 264 | _eventType = CHARACTERS; |
aoqi@0 | 265 | _charSequence = readContentString(); |
aoqi@0 | 266 | |
aoqi@0 | 267 | return _eventType = CHARACTERS; |
aoqi@0 | 268 | case STATE_TEXT_AS_OBJECT: |
aoqi@0 | 269 | _eventType = CHARACTERS; |
aoqi@0 | 270 | _charSequence = (CharSequence)readContentObject(); |
aoqi@0 | 271 | |
aoqi@0 | 272 | return _eventType = CHARACTERS; |
aoqi@0 | 273 | case STATE_COMMENT_AS_CHAR_ARRAY_SMALL: |
aoqi@0 | 274 | _textLen = readStructure(); |
aoqi@0 | 275 | _textOffset = readContentCharactersBuffer(_textLen); |
aoqi@0 | 276 | _characters = _contentCharactersBuffer; |
aoqi@0 | 277 | |
aoqi@0 | 278 | return _eventType = COMMENT; |
aoqi@0 | 279 | case STATE_COMMENT_AS_CHAR_ARRAY_MEDIUM: |
aoqi@0 | 280 | _textLen = readStructure16(); |
aoqi@0 | 281 | _textOffset = readContentCharactersBuffer(_textLen); |
aoqi@0 | 282 | _characters = _contentCharactersBuffer; |
aoqi@0 | 283 | |
aoqi@0 | 284 | return _eventType = COMMENT; |
aoqi@0 | 285 | case STATE_COMMENT_AS_CHAR_ARRAY_COPY: |
aoqi@0 | 286 | _characters = readContentCharactersCopy(); |
aoqi@0 | 287 | _textLen = _characters.length; |
aoqi@0 | 288 | _textOffset = 0; |
aoqi@0 | 289 | |
aoqi@0 | 290 | return _eventType = COMMENT; |
aoqi@0 | 291 | case STATE_COMMENT_AS_STRING: |
aoqi@0 | 292 | _charSequence = readContentString(); |
aoqi@0 | 293 | |
aoqi@0 | 294 | return _eventType = COMMENT; |
aoqi@0 | 295 | case STATE_PROCESSING_INSTRUCTION: |
aoqi@0 | 296 | _piTarget = readStructureString(); |
aoqi@0 | 297 | _piData = readStructureString(); |
aoqi@0 | 298 | |
aoqi@0 | 299 | return _eventType = PROCESSING_INSTRUCTION; |
aoqi@0 | 300 | case STATE_END: |
aoqi@0 | 301 | if (_depth > 1) { |
aoqi@0 | 302 | // normal case |
aoqi@0 | 303 | return _eventType = END_ELEMENT; |
aoqi@0 | 304 | } else if (_depth == 1) { |
aoqi@0 | 305 | // this is the last end element for the current tree. |
aoqi@0 | 306 | if (_fragmentMode) { |
aoqi@0 | 307 | if(--_treeCount==0) // is this the last tree in the forest? |
aoqi@0 | 308 | _completionState = PENDING_END_DOCUMENT; |
aoqi@0 | 309 | } |
aoqi@0 | 310 | return _eventType = END_ELEMENT; |
aoqi@0 | 311 | } else { |
aoqi@0 | 312 | // this only happens when we are processing a full document |
aoqi@0 | 313 | // and we hit the "end of document" marker |
aoqi@0 | 314 | _namespaceAIIsEnd = 0; |
aoqi@0 | 315 | _completionState = COMPLETED; |
aoqi@0 | 316 | return _eventType = END_DOCUMENT; |
aoqi@0 | 317 | } |
aoqi@0 | 318 | default: |
aoqi@0 | 319 | throw new XMLStreamException("Internal XSB error: Invalid State="+eiiState); |
aoqi@0 | 320 | } |
aoqi@0 | 321 | // this should be unreachable |
aoqi@0 | 322 | } |
aoqi@0 | 323 | } |
aoqi@0 | 324 | |
aoqi@0 | 325 | public final void require(int type, String namespaceURI, String localName) throws XMLStreamException { |
aoqi@0 | 326 | if( type != _eventType) { |
aoqi@0 | 327 | throw new XMLStreamException(""); |
aoqi@0 | 328 | } |
aoqi@0 | 329 | if( namespaceURI != null && !namespaceURI.equals(getNamespaceURI())) { |
aoqi@0 | 330 | throw new XMLStreamException(""); |
aoqi@0 | 331 | } |
aoqi@0 | 332 | if(localName != null && !localName.equals(getLocalName())) { |
aoqi@0 | 333 | throw new XMLStreamException(""); |
aoqi@0 | 334 | } |
aoqi@0 | 335 | } |
aoqi@0 | 336 | |
aoqi@0 | 337 | public final String getElementTextTrim() throws XMLStreamException { |
aoqi@0 | 338 | // TODO getElementText* methods more efficiently |
aoqi@0 | 339 | return getElementText().trim(); |
aoqi@0 | 340 | } |
aoqi@0 | 341 | |
aoqi@0 | 342 | public final String getElementText() throws XMLStreamException { |
aoqi@0 | 343 | if(_eventType != START_ELEMENT) { |
aoqi@0 | 344 | throw new XMLStreamException(""); |
aoqi@0 | 345 | } |
aoqi@0 | 346 | |
aoqi@0 | 347 | next(); |
aoqi@0 | 348 | return getElementText(true); |
aoqi@0 | 349 | } |
aoqi@0 | 350 | |
aoqi@0 | 351 | public final String getElementText(boolean startElementRead) throws XMLStreamException { |
aoqi@0 | 352 | if (!startElementRead) { |
aoqi@0 | 353 | throw new XMLStreamException(""); |
aoqi@0 | 354 | } |
aoqi@0 | 355 | |
aoqi@0 | 356 | int eventType = getEventType(); |
aoqi@0 | 357 | StringBuilder content = new StringBuilder(); |
aoqi@0 | 358 | while(eventType != END_ELEMENT ) { |
aoqi@0 | 359 | if(eventType == CHARACTERS |
aoqi@0 | 360 | || eventType == CDATA |
aoqi@0 | 361 | || eventType == SPACE |
aoqi@0 | 362 | || eventType == ENTITY_REFERENCE) { |
aoqi@0 | 363 | content.append(getText()); |
aoqi@0 | 364 | } else if(eventType == PROCESSING_INSTRUCTION |
aoqi@0 | 365 | || eventType == COMMENT) { |
aoqi@0 | 366 | // skipping |
aoqi@0 | 367 | } else if(eventType == END_DOCUMENT) { |
aoqi@0 | 368 | throw new XMLStreamException(""); |
aoqi@0 | 369 | } else if(eventType == START_ELEMENT) { |
aoqi@0 | 370 | throw new XMLStreamException(""); |
aoqi@0 | 371 | } else { |
aoqi@0 | 372 | throw new XMLStreamException(""); |
aoqi@0 | 373 | } |
aoqi@0 | 374 | eventType = next(); |
aoqi@0 | 375 | } |
aoqi@0 | 376 | return content.toString(); |
aoqi@0 | 377 | } |
aoqi@0 | 378 | |
aoqi@0 | 379 | public final int nextTag() throws XMLStreamException { |
aoqi@0 | 380 | next(); |
aoqi@0 | 381 | return nextTag(true); |
aoqi@0 | 382 | } |
aoqi@0 | 383 | |
aoqi@0 | 384 | public final int nextTag(boolean currentTagRead) throws XMLStreamException { |
aoqi@0 | 385 | int eventType = getEventType(); |
aoqi@0 | 386 | if (!currentTagRead) { |
aoqi@0 | 387 | eventType = next(); |
aoqi@0 | 388 | } |
aoqi@0 | 389 | while((eventType == CHARACTERS && isWhiteSpace()) // skip whitespace |
aoqi@0 | 390 | || (eventType == CDATA && isWhiteSpace()) |
aoqi@0 | 391 | || eventType == SPACE |
aoqi@0 | 392 | || eventType == PROCESSING_INSTRUCTION |
aoqi@0 | 393 | || eventType == COMMENT) { |
aoqi@0 | 394 | eventType = next(); |
aoqi@0 | 395 | } |
aoqi@0 | 396 | if (eventType != START_ELEMENT && eventType != END_ELEMENT) { |
aoqi@0 | 397 | throw new XMLStreamException(""); |
aoqi@0 | 398 | } |
aoqi@0 | 399 | return eventType; |
aoqi@0 | 400 | } |
aoqi@0 | 401 | |
aoqi@0 | 402 | public final boolean hasNext() { |
aoqi@0 | 403 | return (_eventType != END_DOCUMENT); |
aoqi@0 | 404 | } |
aoqi@0 | 405 | |
aoqi@0 | 406 | public void close() throws XMLStreamException { |
aoqi@0 | 407 | } |
aoqi@0 | 408 | |
aoqi@0 | 409 | public final boolean isStartElement() { |
aoqi@0 | 410 | return (_eventType == START_ELEMENT); |
aoqi@0 | 411 | } |
aoqi@0 | 412 | |
aoqi@0 | 413 | public final boolean isEndElement() { |
aoqi@0 | 414 | return (_eventType == END_ELEMENT); |
aoqi@0 | 415 | } |
aoqi@0 | 416 | |
aoqi@0 | 417 | public final boolean isCharacters() { |
aoqi@0 | 418 | return (_eventType == CHARACTERS); |
aoqi@0 | 419 | } |
aoqi@0 | 420 | |
aoqi@0 | 421 | public final boolean isWhiteSpace() { |
aoqi@0 | 422 | if(isCharacters() || (_eventType == CDATA)){ |
aoqi@0 | 423 | char [] ch = this.getTextCharacters(); |
aoqi@0 | 424 | int start = this.getTextStart(); |
aoqi@0 | 425 | int length = this.getTextLength(); |
aoqi@0 | 426 | for (int i = start; i < length; i++){ |
aoqi@0 | 427 | final char c = ch[i]; |
aoqi@0 | 428 | if (!(c == 0x20 || c == 0x9 || c == 0xD || c == 0xA)) |
aoqi@0 | 429 | return false; |
aoqi@0 | 430 | } |
aoqi@0 | 431 | return true; |
aoqi@0 | 432 | } |
aoqi@0 | 433 | return false; |
aoqi@0 | 434 | } |
aoqi@0 | 435 | |
aoqi@0 | 436 | public final String getAttributeValue(String namespaceURI, String localName) { |
aoqi@0 | 437 | if (_eventType != START_ELEMENT) { |
aoqi@0 | 438 | throw new IllegalStateException(""); |
aoqi@0 | 439 | } |
aoqi@0 | 440 | |
aoqi@0 | 441 | if (namespaceURI == null) { |
aoqi@0 | 442 | // Set to the empty string to be compatible with the |
aoqi@0 | 443 | // org.xml.sax.Attributes interface |
aoqi@0 | 444 | namespaceURI = ""; |
aoqi@0 | 445 | } |
aoqi@0 | 446 | |
aoqi@0 | 447 | return _attributeCache.getValue(namespaceURI, localName); |
aoqi@0 | 448 | } |
aoqi@0 | 449 | |
aoqi@0 | 450 | public final int getAttributeCount() { |
aoqi@0 | 451 | if (_eventType != START_ELEMENT) { |
aoqi@0 | 452 | throw new IllegalStateException(""); |
aoqi@0 | 453 | } |
aoqi@0 | 454 | |
aoqi@0 | 455 | return _attributeCache.getLength(); |
aoqi@0 | 456 | } |
aoqi@0 | 457 | |
aoqi@0 | 458 | public final javax.xml.namespace.QName getAttributeName(int index) { |
aoqi@0 | 459 | if (_eventType != START_ELEMENT) { |
aoqi@0 | 460 | throw new IllegalStateException(""); |
aoqi@0 | 461 | } |
aoqi@0 | 462 | |
aoqi@0 | 463 | final String prefix = _attributeCache.getPrefix(index); |
aoqi@0 | 464 | final String localName = _attributeCache.getLocalName(index); |
aoqi@0 | 465 | final String uri = _attributeCache.getURI(index); |
aoqi@0 | 466 | return new QName(uri,localName,prefix); |
aoqi@0 | 467 | } |
aoqi@0 | 468 | |
aoqi@0 | 469 | |
aoqi@0 | 470 | public final String getAttributeNamespace(int index) { |
aoqi@0 | 471 | if (_eventType != START_ELEMENT) { |
aoqi@0 | 472 | throw new IllegalStateException(""); |
aoqi@0 | 473 | } |
aoqi@0 | 474 | return fixEmptyString(_attributeCache.getURI(index)); |
aoqi@0 | 475 | } |
aoqi@0 | 476 | |
aoqi@0 | 477 | public final String getAttributeLocalName(int index) { |
aoqi@0 | 478 | if (_eventType != START_ELEMENT) { |
aoqi@0 | 479 | throw new IllegalStateException(""); |
aoqi@0 | 480 | } |
aoqi@0 | 481 | return _attributeCache.getLocalName(index); |
aoqi@0 | 482 | } |
aoqi@0 | 483 | |
aoqi@0 | 484 | public final String getAttributePrefix(int index) { |
aoqi@0 | 485 | if (_eventType != START_ELEMENT) { |
aoqi@0 | 486 | throw new IllegalStateException(""); |
aoqi@0 | 487 | } |
aoqi@0 | 488 | return fixEmptyString(_attributeCache.getPrefix(index)); |
aoqi@0 | 489 | } |
aoqi@0 | 490 | |
aoqi@0 | 491 | public final String getAttributeType(int index) { |
aoqi@0 | 492 | if (_eventType != START_ELEMENT) { |
aoqi@0 | 493 | throw new IllegalStateException(""); |
aoqi@0 | 494 | } |
aoqi@0 | 495 | return _attributeCache.getType(index); |
aoqi@0 | 496 | } |
aoqi@0 | 497 | |
aoqi@0 | 498 | public final String getAttributeValue(int index) { |
aoqi@0 | 499 | if (_eventType != START_ELEMENT) { |
aoqi@0 | 500 | throw new IllegalStateException(""); |
aoqi@0 | 501 | } |
aoqi@0 | 502 | |
aoqi@0 | 503 | return _attributeCache.getValue(index); |
aoqi@0 | 504 | } |
aoqi@0 | 505 | |
aoqi@0 | 506 | public final boolean isAttributeSpecified(int index) { |
aoqi@0 | 507 | return false; |
aoqi@0 | 508 | } |
aoqi@0 | 509 | |
aoqi@0 | 510 | public final int getNamespaceCount() { |
aoqi@0 | 511 | if (_eventType == START_ELEMENT || _eventType == END_ELEMENT) { |
aoqi@0 | 512 | return _stackTop.namespaceAIIsEnd - _stackTop.namespaceAIIsStart; |
aoqi@0 | 513 | } |
aoqi@0 | 514 | |
aoqi@0 | 515 | throw new IllegalStateException(""); |
aoqi@0 | 516 | } |
aoqi@0 | 517 | |
aoqi@0 | 518 | public final String getNamespacePrefix(int index) { |
aoqi@0 | 519 | if (_eventType == START_ELEMENT || _eventType == END_ELEMENT) { |
aoqi@0 | 520 | return _namespaceAIIsPrefix[_stackTop.namespaceAIIsStart + index]; |
aoqi@0 | 521 | } |
aoqi@0 | 522 | |
aoqi@0 | 523 | throw new IllegalStateException(""); |
aoqi@0 | 524 | } |
aoqi@0 | 525 | |
aoqi@0 | 526 | public final String getNamespaceURI(int index) { |
aoqi@0 | 527 | if (_eventType == START_ELEMENT || _eventType == END_ELEMENT) { |
aoqi@0 | 528 | return _namespaceAIIsNamespaceName[_stackTop.namespaceAIIsStart + index]; |
aoqi@0 | 529 | } |
aoqi@0 | 530 | |
aoqi@0 | 531 | throw new IllegalStateException(""); |
aoqi@0 | 532 | } |
aoqi@0 | 533 | |
aoqi@0 | 534 | public final String getNamespaceURI(String prefix) { |
aoqi@0 | 535 | return _nsCtx.getNamespaceURI(prefix); |
aoqi@0 | 536 | } |
aoqi@0 | 537 | |
aoqi@0 | 538 | public final NamespaceContextEx getNamespaceContext() { |
aoqi@0 | 539 | return _nsCtx; |
aoqi@0 | 540 | } |
aoqi@0 | 541 | |
aoqi@0 | 542 | public final int getEventType() { |
aoqi@0 | 543 | return _eventType; |
aoqi@0 | 544 | } |
aoqi@0 | 545 | |
aoqi@0 | 546 | public final String getText() { |
aoqi@0 | 547 | if (_characters != null) { |
aoqi@0 | 548 | String s = new String(_characters, _textOffset, _textLen); |
aoqi@0 | 549 | _charSequence = s; |
aoqi@0 | 550 | return s; |
aoqi@0 | 551 | } else if (_charSequence != null) { |
aoqi@0 | 552 | return _charSequence.toString(); |
aoqi@0 | 553 | } else { |
aoqi@0 | 554 | throw new IllegalStateException(); |
aoqi@0 | 555 | } |
aoqi@0 | 556 | } |
aoqi@0 | 557 | |
aoqi@0 | 558 | public final char[] getTextCharacters() { |
aoqi@0 | 559 | if (_characters != null) { |
aoqi@0 | 560 | return _characters; |
aoqi@0 | 561 | } else if (_charSequence != null) { |
aoqi@0 | 562 | // TODO try to avoid creation of a temporary String for some |
aoqi@0 | 563 | // CharSequence implementations |
aoqi@0 | 564 | _characters = _charSequence.toString().toCharArray(); |
aoqi@0 | 565 | _textLen = _characters.length; |
aoqi@0 | 566 | _textOffset = 0; |
aoqi@0 | 567 | return _characters; |
aoqi@0 | 568 | } else { |
aoqi@0 | 569 | throw new IllegalStateException(); |
aoqi@0 | 570 | } |
aoqi@0 | 571 | } |
aoqi@0 | 572 | |
aoqi@0 | 573 | public final int getTextStart() { |
aoqi@0 | 574 | if (_characters != null) { |
aoqi@0 | 575 | return _textOffset; |
aoqi@0 | 576 | } else if (_charSequence != null) { |
aoqi@0 | 577 | return 0; |
aoqi@0 | 578 | } else { |
aoqi@0 | 579 | throw new IllegalStateException(); |
aoqi@0 | 580 | } |
aoqi@0 | 581 | } |
aoqi@0 | 582 | |
aoqi@0 | 583 | public final int getTextLength() { |
aoqi@0 | 584 | if (_characters != null) { |
aoqi@0 | 585 | return _textLen; |
aoqi@0 | 586 | } else if (_charSequence != null) { |
aoqi@0 | 587 | return _charSequence.length(); |
aoqi@0 | 588 | } else { |
aoqi@0 | 589 | throw new IllegalStateException(); |
aoqi@0 | 590 | } |
aoqi@0 | 591 | } |
aoqi@0 | 592 | |
aoqi@0 | 593 | public final int getTextCharacters(int sourceStart, char[] target, |
aoqi@0 | 594 | int targetStart, int length) throws XMLStreamException { |
aoqi@0 | 595 | if (_characters != null) { |
aoqi@0 | 596 | } else if (_charSequence != null) { |
aoqi@0 | 597 | _characters = _charSequence.toString().toCharArray(); |
aoqi@0 | 598 | _textLen = _characters.length; |
aoqi@0 | 599 | _textOffset = 0; |
aoqi@0 | 600 | } else { |
aoqi@0 | 601 | throw new IllegalStateException(""); |
aoqi@0 | 602 | } |
aoqi@0 | 603 | |
aoqi@0 | 604 | try { |
aoqi@0 | 605 | int remaining = _textLen - sourceStart; |
aoqi@0 | 606 | int len = remaining > length ? length : remaining; |
aoqi@0 | 607 | sourceStart += _textOffset; |
aoqi@0 | 608 | System.arraycopy(_characters, sourceStart, target, targetStart, len); |
aoqi@0 | 609 | return len; |
aoqi@0 | 610 | } catch (IndexOutOfBoundsException e) { |
aoqi@0 | 611 | throw new XMLStreamException(e); |
aoqi@0 | 612 | } |
aoqi@0 | 613 | } |
aoqi@0 | 614 | |
aoqi@0 | 615 | private class CharSequenceImpl implements CharSequence { |
aoqi@0 | 616 | private final int _offset; |
aoqi@0 | 617 | private final int _length; |
aoqi@0 | 618 | |
aoqi@0 | 619 | CharSequenceImpl(int offset, int length) { |
aoqi@0 | 620 | _offset = offset; |
aoqi@0 | 621 | _length = length; |
aoqi@0 | 622 | } |
aoqi@0 | 623 | |
aoqi@0 | 624 | public int length() { |
aoqi@0 | 625 | return _length; |
aoqi@0 | 626 | } |
aoqi@0 | 627 | |
aoqi@0 | 628 | public char charAt(int index) { |
aoqi@0 | 629 | if (index >= 0 && index < _textLen) { |
aoqi@0 | 630 | return _characters[_textOffset + index]; |
aoqi@0 | 631 | } else { |
aoqi@0 | 632 | throw new IndexOutOfBoundsException(); |
aoqi@0 | 633 | } |
aoqi@0 | 634 | } |
aoqi@0 | 635 | |
aoqi@0 | 636 | public CharSequence subSequence(int start, int end) { |
aoqi@0 | 637 | final int length = end - start; |
aoqi@0 | 638 | if (end < 0 || start < 0 || end > length || start > end) { |
aoqi@0 | 639 | throw new IndexOutOfBoundsException(); |
aoqi@0 | 640 | } |
aoqi@0 | 641 | |
aoqi@0 | 642 | return new CharSequenceImpl(_offset + start, length); |
aoqi@0 | 643 | } |
aoqi@0 | 644 | |
aoqi@0 | 645 | @Override |
aoqi@0 | 646 | public String toString() { |
aoqi@0 | 647 | return new String(_characters, _offset, _length); |
aoqi@0 | 648 | } |
aoqi@0 | 649 | } |
aoqi@0 | 650 | |
aoqi@0 | 651 | public final CharSequence getPCDATA() { |
aoqi@0 | 652 | if (_characters != null) { |
aoqi@0 | 653 | return new CharSequenceImpl(_textOffset, _textLen); |
aoqi@0 | 654 | } else if (_charSequence != null) { |
aoqi@0 | 655 | return _charSequence; |
aoqi@0 | 656 | } else { |
aoqi@0 | 657 | throw new IllegalStateException(); |
aoqi@0 | 658 | } |
aoqi@0 | 659 | } |
aoqi@0 | 660 | |
aoqi@0 | 661 | public final String getEncoding() { |
aoqi@0 | 662 | return "UTF-8"; |
aoqi@0 | 663 | } |
aoqi@0 | 664 | |
aoqi@0 | 665 | public final boolean hasText() { |
aoqi@0 | 666 | return (_characters != null || _charSequence != null); |
aoqi@0 | 667 | } |
aoqi@0 | 668 | |
aoqi@0 | 669 | public final Location getLocation() { |
aoqi@0 | 670 | return new DummyLocation(); |
aoqi@0 | 671 | } |
aoqi@0 | 672 | |
aoqi@0 | 673 | public final boolean hasName() { |
aoqi@0 | 674 | return (_eventType == START_ELEMENT || _eventType == END_ELEMENT); |
aoqi@0 | 675 | } |
aoqi@0 | 676 | |
aoqi@0 | 677 | public final QName getName() { |
aoqi@0 | 678 | return _stackTop.getQName(); |
aoqi@0 | 679 | } |
aoqi@0 | 680 | |
aoqi@0 | 681 | public final String getLocalName() { |
aoqi@0 | 682 | return _stackTop.localName; |
aoqi@0 | 683 | } |
aoqi@0 | 684 | |
aoqi@0 | 685 | public final String getNamespaceURI() { |
aoqi@0 | 686 | return _stackTop.uri; |
aoqi@0 | 687 | } |
aoqi@0 | 688 | |
aoqi@0 | 689 | public final String getPrefix() { |
aoqi@0 | 690 | return _stackTop.prefix; |
aoqi@0 | 691 | |
aoqi@0 | 692 | } |
aoqi@0 | 693 | |
aoqi@0 | 694 | public final String getVersion() { |
aoqi@0 | 695 | return "1.0"; |
aoqi@0 | 696 | } |
aoqi@0 | 697 | |
aoqi@0 | 698 | public final boolean isStandalone() { |
aoqi@0 | 699 | return false; |
aoqi@0 | 700 | } |
aoqi@0 | 701 | |
aoqi@0 | 702 | public final boolean standaloneSet() { |
aoqi@0 | 703 | return false; |
aoqi@0 | 704 | } |
aoqi@0 | 705 | |
aoqi@0 | 706 | public final String getCharacterEncodingScheme() { |
aoqi@0 | 707 | return "UTF-8"; |
aoqi@0 | 708 | } |
aoqi@0 | 709 | |
aoqi@0 | 710 | public final String getPITarget() { |
aoqi@0 | 711 | if (_eventType == PROCESSING_INSTRUCTION) { |
aoqi@0 | 712 | return _piTarget; |
aoqi@0 | 713 | } |
aoqi@0 | 714 | throw new IllegalStateException(""); |
aoqi@0 | 715 | } |
aoqi@0 | 716 | |
aoqi@0 | 717 | public final String getPIData() { |
aoqi@0 | 718 | if (_eventType == PROCESSING_INSTRUCTION) { |
aoqi@0 | 719 | return _piData; |
aoqi@0 | 720 | } |
aoqi@0 | 721 | throw new IllegalStateException(""); |
aoqi@0 | 722 | } |
aoqi@0 | 723 | |
aoqi@0 | 724 | protected void processElement(String prefix, String uri, String localName, boolean inscope) { |
aoqi@0 | 725 | pushElementStack(); |
aoqi@0 | 726 | _stackTop.set(prefix, uri, localName); |
aoqi@0 | 727 | |
aoqi@0 | 728 | _attributeCache.clear(); |
aoqi@0 | 729 | |
aoqi@0 | 730 | int item = peekStructure(); |
aoqi@0 | 731 | if ((item & TYPE_MASK) == T_NAMESPACE_ATTRIBUTE || inscope) { |
aoqi@0 | 732 | // Skip the namespace declarations on the element |
aoqi@0 | 733 | // they will have been added already |
aoqi@0 | 734 | item = processNamespaceAttributes(item, inscope); |
aoqi@0 | 735 | } |
aoqi@0 | 736 | if ((item & TYPE_MASK) == T_ATTRIBUTE) { |
aoqi@0 | 737 | processAttributes(item); |
aoqi@0 | 738 | } |
aoqi@0 | 739 | } |
aoqi@0 | 740 | |
aoqi@0 | 741 | private boolean isInscope(int depth) { |
aoqi@0 | 742 | return _buffer.getInscopeNamespaces().size() > 0 && depth ==0; |
aoqi@0 | 743 | } |
aoqi@0 | 744 | |
aoqi@0 | 745 | private void resizeNamespaceAttributes() { |
aoqi@0 | 746 | final String[] namespaceAIIsPrefix = new String[_namespaceAIIsEnd * 2]; |
aoqi@0 | 747 | System.arraycopy(_namespaceAIIsPrefix, 0, namespaceAIIsPrefix, 0, _namespaceAIIsEnd); |
aoqi@0 | 748 | _namespaceAIIsPrefix = namespaceAIIsPrefix; |
aoqi@0 | 749 | |
aoqi@0 | 750 | final String[] namespaceAIIsNamespaceName = new String[_namespaceAIIsEnd * 2]; |
aoqi@0 | 751 | System.arraycopy(_namespaceAIIsNamespaceName, 0, namespaceAIIsNamespaceName, 0, _namespaceAIIsEnd); |
aoqi@0 | 752 | _namespaceAIIsNamespaceName = namespaceAIIsNamespaceName; |
aoqi@0 | 753 | } |
aoqi@0 | 754 | |
aoqi@0 | 755 | private int processNamespaceAttributes(int item, boolean inscope){ |
aoqi@0 | 756 | _stackTop.namespaceAIIsStart = _namespaceAIIsEnd; |
aoqi@0 | 757 | Set<String> prefixSet = inscope ? new HashSet<String>() : Collections.<String>emptySet(); |
aoqi@0 | 758 | |
aoqi@0 | 759 | while((item & TYPE_MASK) == T_NAMESPACE_ATTRIBUTE) { |
aoqi@0 | 760 | if (_namespaceAIIsEnd == _namespaceAIIsPrefix.length) { |
aoqi@0 | 761 | resizeNamespaceAttributes(); |
aoqi@0 | 762 | } |
aoqi@0 | 763 | |
aoqi@0 | 764 | switch(getNIIState(item)){ |
aoqi@0 | 765 | case STATE_NAMESPACE_ATTRIBUTE: |
aoqi@0 | 766 | // Undeclaration of default namespace |
aoqi@0 | 767 | _namespaceAIIsPrefix[_namespaceAIIsEnd] = |
aoqi@0 | 768 | _namespaceAIIsNamespaceName[_namespaceAIIsEnd++] = ""; |
aoqi@0 | 769 | if (inscope) { |
aoqi@0 | 770 | prefixSet.add(""); |
aoqi@0 | 771 | } |
aoqi@0 | 772 | break; |
aoqi@0 | 773 | case STATE_NAMESPACE_ATTRIBUTE_P: |
aoqi@0 | 774 | // Undeclaration of namespace |
aoqi@0 | 775 | _namespaceAIIsPrefix[_namespaceAIIsEnd] = readStructureString(); |
aoqi@0 | 776 | if (inscope) { |
aoqi@0 | 777 | prefixSet.add(_namespaceAIIsPrefix[_namespaceAIIsEnd]); |
aoqi@0 | 778 | } |
aoqi@0 | 779 | _namespaceAIIsNamespaceName[_namespaceAIIsEnd++] = ""; |
aoqi@0 | 780 | break; |
aoqi@0 | 781 | case STATE_NAMESPACE_ATTRIBUTE_P_U: |
aoqi@0 | 782 | // Declaration with prefix |
aoqi@0 | 783 | _namespaceAIIsPrefix[_namespaceAIIsEnd] = readStructureString(); |
aoqi@0 | 784 | if (inscope) { |
aoqi@0 | 785 | prefixSet.add(_namespaceAIIsPrefix[_namespaceAIIsEnd]); |
aoqi@0 | 786 | } |
aoqi@0 | 787 | _namespaceAIIsNamespaceName[_namespaceAIIsEnd++] = readStructureString(); |
aoqi@0 | 788 | break; |
aoqi@0 | 789 | case STATE_NAMESPACE_ATTRIBUTE_U: |
aoqi@0 | 790 | // Default declaration |
aoqi@0 | 791 | _namespaceAIIsPrefix[_namespaceAIIsEnd] = ""; |
aoqi@0 | 792 | if (inscope) { |
aoqi@0 | 793 | prefixSet.add(""); |
aoqi@0 | 794 | } |
aoqi@0 | 795 | _namespaceAIIsNamespaceName[_namespaceAIIsEnd++] = readStructureString(); |
aoqi@0 | 796 | break; |
aoqi@0 | 797 | } |
aoqi@0 | 798 | readStructure(); |
aoqi@0 | 799 | |
aoqi@0 | 800 | item = peekStructure(); |
aoqi@0 | 801 | } |
aoqi@0 | 802 | |
aoqi@0 | 803 | if (inscope) { |
aoqi@0 | 804 | for (Map.Entry<String, String> e : _buffer.getInscopeNamespaces().entrySet()) { |
aoqi@0 | 805 | String key = fixNull(e.getKey()); |
aoqi@0 | 806 | // If the prefix is already written, do not write the prefix |
aoqi@0 | 807 | if (!prefixSet.contains(key)) { |
aoqi@0 | 808 | if (_namespaceAIIsEnd == _namespaceAIIsPrefix.length) { |
aoqi@0 | 809 | resizeNamespaceAttributes(); |
aoqi@0 | 810 | } |
aoqi@0 | 811 | _namespaceAIIsPrefix[_namespaceAIIsEnd] = key; |
aoqi@0 | 812 | _namespaceAIIsNamespaceName[_namespaceAIIsEnd++] = e.getValue(); |
aoqi@0 | 813 | } |
aoqi@0 | 814 | } |
aoqi@0 | 815 | } |
aoqi@0 | 816 | _stackTop.namespaceAIIsEnd = _namespaceAIIsEnd; |
aoqi@0 | 817 | |
aoqi@0 | 818 | return item; |
aoqi@0 | 819 | } |
aoqi@0 | 820 | |
aoqi@0 | 821 | private static String fixNull(String s) { |
aoqi@0 | 822 | if (s == null) return ""; |
aoqi@0 | 823 | else return s; |
aoqi@0 | 824 | } |
aoqi@0 | 825 | |
aoqi@0 | 826 | private void processAttributes(int item){ |
aoqi@0 | 827 | do { |
aoqi@0 | 828 | switch(getAIIState(item)){ |
aoqi@0 | 829 | case STATE_ATTRIBUTE_U_LN_QN: { |
aoqi@0 | 830 | final String uri = readStructureString(); |
aoqi@0 | 831 | final String localName = readStructureString(); |
aoqi@0 | 832 | final String prefix = getPrefixFromQName(readStructureString()); |
aoqi@0 | 833 | _attributeCache.addAttributeWithPrefix(prefix, uri, localName, readStructureString(), readContentString()); |
aoqi@0 | 834 | break; |
aoqi@0 | 835 | } |
aoqi@0 | 836 | case STATE_ATTRIBUTE_P_U_LN: |
aoqi@0 | 837 | _attributeCache.addAttributeWithPrefix(readStructureString(), readStructureString(), readStructureString(), readStructureString(), readContentString()); |
aoqi@0 | 838 | break; |
aoqi@0 | 839 | case STATE_ATTRIBUTE_U_LN: |
aoqi@0 | 840 | // _attributeCache follows SAX convention |
aoqi@0 | 841 | _attributeCache.addAttributeWithPrefix("", readStructureString(), readStructureString(), readStructureString(), readContentString()); |
aoqi@0 | 842 | break; |
aoqi@0 | 843 | case STATE_ATTRIBUTE_LN: { |
aoqi@0 | 844 | _attributeCache.addAttributeWithPrefix("", "", readStructureString(), readStructureString(), readContentString()); |
aoqi@0 | 845 | break; |
aoqi@0 | 846 | } |
aoqi@0 | 847 | default : |
aoqi@0 | 848 | assert false : "Internal XSB Error: wrong attribute state, Item="+item; |
aoqi@0 | 849 | } |
aoqi@0 | 850 | readStructure(); |
aoqi@0 | 851 | |
aoqi@0 | 852 | item = peekStructure(); |
aoqi@0 | 853 | } while((item & TYPE_MASK) == T_ATTRIBUTE); |
aoqi@0 | 854 | } |
aoqi@0 | 855 | |
aoqi@0 | 856 | private void pushElementStack() { |
aoqi@0 | 857 | if (_depth == _stack.length) { |
aoqi@0 | 858 | // resize stack |
aoqi@0 | 859 | ElementStackEntry [] tmp = _stack; |
aoqi@0 | 860 | _stack = new ElementStackEntry[_stack.length * 3 /2 + 1]; |
aoqi@0 | 861 | System.arraycopy(tmp, 0, _stack, 0, tmp.length); |
aoqi@0 | 862 | for (int i = tmp.length; i < _stack.length; i++){ |
aoqi@0 | 863 | _stack[i] = new ElementStackEntry(); |
aoqi@0 | 864 | } |
aoqi@0 | 865 | } |
aoqi@0 | 866 | |
aoqi@0 | 867 | _stackTop = _stack[_depth++]; |
aoqi@0 | 868 | } |
aoqi@0 | 869 | |
aoqi@0 | 870 | private void popElementStack(int depth) { |
aoqi@0 | 871 | // _depth is checked outside this method |
aoqi@0 | 872 | _stackTop = _stack[depth - 1]; |
aoqi@0 | 873 | // Move back the position of the namespace index |
aoqi@0 | 874 | _namespaceAIIsEnd = _stack[depth].namespaceAIIsStart; |
aoqi@0 | 875 | } |
aoqi@0 | 876 | |
aoqi@0 | 877 | private final class ElementStackEntry { |
aoqi@0 | 878 | /** |
aoqi@0 | 879 | * Prefix. |
aoqi@0 | 880 | * Just like everywhere else in StAX, this can be null but can't be empty. |
aoqi@0 | 881 | */ |
aoqi@0 | 882 | String prefix; |
aoqi@0 | 883 | /** |
aoqi@0 | 884 | * Namespace URI. |
aoqi@0 | 885 | * Just like everywhere else in StAX, this can be null but can't be empty. |
aoqi@0 | 886 | */ |
aoqi@0 | 887 | String uri; |
aoqi@0 | 888 | String localName; |
aoqi@0 | 889 | QName qname; |
aoqi@0 | 890 | |
aoqi@0 | 891 | // Start and end of namespace declarations |
aoqi@0 | 892 | // in namespace declaration arrays |
aoqi@0 | 893 | int namespaceAIIsStart; |
aoqi@0 | 894 | int namespaceAIIsEnd; |
aoqi@0 | 895 | |
aoqi@0 | 896 | public void set(String prefix, String uri, String localName) { |
aoqi@0 | 897 | this.prefix = prefix; |
aoqi@0 | 898 | this.uri = uri; |
aoqi@0 | 899 | this.localName = localName; |
aoqi@0 | 900 | this.qname = null; |
aoqi@0 | 901 | |
aoqi@0 | 902 | this.namespaceAIIsStart = this.namespaceAIIsEnd = StreamReaderBufferProcessor.this._namespaceAIIsEnd; |
aoqi@0 | 903 | } |
aoqi@0 | 904 | |
aoqi@0 | 905 | public QName getQName() { |
aoqi@0 | 906 | if (qname == null) { |
aoqi@0 | 907 | qname = new QName(fixNull(uri), localName, fixNull(prefix)); |
aoqi@0 | 908 | } |
aoqi@0 | 909 | return qname; |
aoqi@0 | 910 | } |
aoqi@0 | 911 | |
aoqi@0 | 912 | private String fixNull(String s) { |
aoqi@0 | 913 | return (s == null) ? "" : s; |
aoqi@0 | 914 | } |
aoqi@0 | 915 | } |
aoqi@0 | 916 | |
aoqi@0 | 917 | private final class InternalNamespaceContext implements NamespaceContextEx { |
aoqi@0 | 918 | @SuppressWarnings({"StringEquality"}) |
aoqi@0 | 919 | public String getNamespaceURI(String prefix) { |
aoqi@0 | 920 | if (prefix == null) { |
aoqi@0 | 921 | throw new IllegalArgumentException("Prefix cannot be null"); |
aoqi@0 | 922 | } |
aoqi@0 | 923 | |
aoqi@0 | 924 | /* |
aoqi@0 | 925 | * If the buffer was created using string interning |
aoqi@0 | 926 | * intern the prefix and check for reference equality |
aoqi@0 | 927 | * rather than using String.equals(); |
aoqi@0 | 928 | */ |
aoqi@0 | 929 | if (_stringInterningFeature) { |
aoqi@0 | 930 | prefix = prefix.intern(); |
aoqi@0 | 931 | |
aoqi@0 | 932 | // Find the most recently declared prefix |
aoqi@0 | 933 | for (int i = _namespaceAIIsEnd - 1; i >=0; i--) { |
aoqi@0 | 934 | if (prefix == _namespaceAIIsPrefix[i]) { |
aoqi@0 | 935 | return _namespaceAIIsNamespaceName[i]; |
aoqi@0 | 936 | } |
aoqi@0 | 937 | } |
aoqi@0 | 938 | } else { |
aoqi@0 | 939 | // Find the most recently declared prefix |
aoqi@0 | 940 | for (int i = _namespaceAIIsEnd - 1; i >=0; i--) { |
aoqi@0 | 941 | if (prefix.equals(_namespaceAIIsPrefix[i])) { |
aoqi@0 | 942 | return _namespaceAIIsNamespaceName[i]; |
aoqi@0 | 943 | } |
aoqi@0 | 944 | } |
aoqi@0 | 945 | } |
aoqi@0 | 946 | |
aoqi@0 | 947 | // Check for XML-based prefixes |
aoqi@0 | 948 | if (prefix.equals(XMLConstants.XML_NS_PREFIX)) { |
aoqi@0 | 949 | return XMLConstants.XML_NS_URI; |
aoqi@0 | 950 | } else if (prefix.equals(XMLConstants.XMLNS_ATTRIBUTE)) { |
aoqi@0 | 951 | return XMLConstants.XMLNS_ATTRIBUTE_NS_URI; |
aoqi@0 | 952 | } |
aoqi@0 | 953 | |
aoqi@0 | 954 | return null; |
aoqi@0 | 955 | } |
aoqi@0 | 956 | |
aoqi@0 | 957 | public String getPrefix(String namespaceURI) { |
aoqi@0 | 958 | final Iterator i = getPrefixes(namespaceURI); |
aoqi@0 | 959 | if (i.hasNext()) { |
aoqi@0 | 960 | return (String)i.next(); |
aoqi@0 | 961 | } else { |
aoqi@0 | 962 | return null; |
aoqi@0 | 963 | } |
aoqi@0 | 964 | } |
aoqi@0 | 965 | |
aoqi@0 | 966 | public Iterator getPrefixes(final String namespaceURI) { |
aoqi@0 | 967 | if (namespaceURI == null){ |
aoqi@0 | 968 | throw new IllegalArgumentException("NamespaceURI cannot be null"); |
aoqi@0 | 969 | } |
aoqi@0 | 970 | |
aoqi@0 | 971 | if (namespaceURI.equals(XMLConstants.XML_NS_URI)) { |
aoqi@0 | 972 | return Collections.singletonList(XMLConstants.XML_NS_PREFIX).iterator(); |
aoqi@0 | 973 | } else if (namespaceURI.equals(XMLConstants.XMLNS_ATTRIBUTE_NS_URI)) { |
aoqi@0 | 974 | return Collections.singletonList(XMLConstants.XMLNS_ATTRIBUTE).iterator(); |
aoqi@0 | 975 | } |
aoqi@0 | 976 | |
aoqi@0 | 977 | return new Iterator() { |
aoqi@0 | 978 | private int i = _namespaceAIIsEnd - 1; |
aoqi@0 | 979 | private boolean requireFindNext = true; |
aoqi@0 | 980 | private String p; |
aoqi@0 | 981 | |
aoqi@0 | 982 | private String findNext() { |
aoqi@0 | 983 | while(i >= 0) { |
aoqi@0 | 984 | // Find the most recently declared namespace |
aoqi@0 | 985 | if (namespaceURI.equals(_namespaceAIIsNamespaceName[i])) { |
aoqi@0 | 986 | // Find the most recently declared prefix of the namespace |
aoqi@0 | 987 | // and check if the prefix is in scope with that namespace |
aoqi@0 | 988 | if (getNamespaceURI(_namespaceAIIsPrefix[i]).equals( |
aoqi@0 | 989 | _namespaceAIIsNamespaceName[i])) { |
aoqi@0 | 990 | return p = _namespaceAIIsPrefix[i]; |
aoqi@0 | 991 | } |
aoqi@0 | 992 | } |
aoqi@0 | 993 | i--; |
aoqi@0 | 994 | } |
aoqi@0 | 995 | return p = null; |
aoqi@0 | 996 | } |
aoqi@0 | 997 | |
aoqi@0 | 998 | public boolean hasNext() { |
aoqi@0 | 999 | if (requireFindNext) { |
aoqi@0 | 1000 | findNext(); |
aoqi@0 | 1001 | requireFindNext = false; |
aoqi@0 | 1002 | } |
aoqi@0 | 1003 | return (p != null); |
aoqi@0 | 1004 | } |
aoqi@0 | 1005 | |
aoqi@0 | 1006 | public Object next() { |
aoqi@0 | 1007 | if (requireFindNext) { |
aoqi@0 | 1008 | findNext(); |
aoqi@0 | 1009 | } |
aoqi@0 | 1010 | requireFindNext = true; |
aoqi@0 | 1011 | |
aoqi@0 | 1012 | if (p == null) { |
aoqi@0 | 1013 | throw new NoSuchElementException(); |
aoqi@0 | 1014 | } |
aoqi@0 | 1015 | |
aoqi@0 | 1016 | return p; |
aoqi@0 | 1017 | } |
aoqi@0 | 1018 | |
aoqi@0 | 1019 | public void remove() { |
aoqi@0 | 1020 | throw new UnsupportedOperationException(); |
aoqi@0 | 1021 | } |
aoqi@0 | 1022 | }; |
aoqi@0 | 1023 | } |
aoqi@0 | 1024 | |
aoqi@0 | 1025 | private class BindingImpl implements NamespaceContextEx.Binding { |
aoqi@0 | 1026 | final String _prefix; |
aoqi@0 | 1027 | final String _namespaceURI; |
aoqi@0 | 1028 | |
aoqi@0 | 1029 | BindingImpl(String prefix, String namespaceURI) { |
aoqi@0 | 1030 | _prefix = prefix; |
aoqi@0 | 1031 | _namespaceURI = namespaceURI; |
aoqi@0 | 1032 | } |
aoqi@0 | 1033 | |
aoqi@0 | 1034 | public String getPrefix() { |
aoqi@0 | 1035 | return _prefix; |
aoqi@0 | 1036 | } |
aoqi@0 | 1037 | |
aoqi@0 | 1038 | public String getNamespaceURI() { |
aoqi@0 | 1039 | return _namespaceURI; |
aoqi@0 | 1040 | } |
aoqi@0 | 1041 | } |
aoqi@0 | 1042 | |
aoqi@0 | 1043 | public Iterator<NamespaceContextEx.Binding> iterator() { |
aoqi@0 | 1044 | return new Iterator<NamespaceContextEx.Binding>() { |
aoqi@0 | 1045 | private final int end = _namespaceAIIsEnd - 1; |
aoqi@0 | 1046 | private int current = end; |
aoqi@0 | 1047 | private boolean requireFindNext = true; |
aoqi@0 | 1048 | private NamespaceContextEx.Binding namespace; |
aoqi@0 | 1049 | |
aoqi@0 | 1050 | private NamespaceContextEx.Binding findNext() { |
aoqi@0 | 1051 | while(current >= 0) { |
aoqi@0 | 1052 | final String prefix = _namespaceAIIsPrefix[current]; |
aoqi@0 | 1053 | |
aoqi@0 | 1054 | // Find if the current prefix occurs more recently |
aoqi@0 | 1055 | // If so then it is not in scope |
aoqi@0 | 1056 | int i = end; |
aoqi@0 | 1057 | for (;i > current; i--) { |
aoqi@0 | 1058 | if (prefix.equals(_namespaceAIIsPrefix[i])) { |
aoqi@0 | 1059 | break; |
aoqi@0 | 1060 | } |
aoqi@0 | 1061 | } |
aoqi@0 | 1062 | if (i == current--) { |
aoqi@0 | 1063 | // The current prefix is in-scope |
aoqi@0 | 1064 | return namespace = new BindingImpl(prefix, _namespaceAIIsNamespaceName[current]); |
aoqi@0 | 1065 | } |
aoqi@0 | 1066 | } |
aoqi@0 | 1067 | return namespace = null; |
aoqi@0 | 1068 | } |
aoqi@0 | 1069 | |
aoqi@0 | 1070 | public boolean hasNext() { |
aoqi@0 | 1071 | if (requireFindNext) { |
aoqi@0 | 1072 | findNext(); |
aoqi@0 | 1073 | requireFindNext = false; |
aoqi@0 | 1074 | } |
aoqi@0 | 1075 | return (namespace != null); |
aoqi@0 | 1076 | } |
aoqi@0 | 1077 | |
aoqi@0 | 1078 | public NamespaceContextEx.Binding next() { |
aoqi@0 | 1079 | if (requireFindNext) { |
aoqi@0 | 1080 | findNext(); |
aoqi@0 | 1081 | } |
aoqi@0 | 1082 | requireFindNext = true; |
aoqi@0 | 1083 | |
aoqi@0 | 1084 | if (namespace == null) { |
aoqi@0 | 1085 | throw new NoSuchElementException(); |
aoqi@0 | 1086 | } |
aoqi@0 | 1087 | |
aoqi@0 | 1088 | return namespace; |
aoqi@0 | 1089 | } |
aoqi@0 | 1090 | |
aoqi@0 | 1091 | public void remove() { |
aoqi@0 | 1092 | throw new UnsupportedOperationException(); |
aoqi@0 | 1093 | } |
aoqi@0 | 1094 | }; |
aoqi@0 | 1095 | } |
aoqi@0 | 1096 | } |
aoqi@0 | 1097 | |
aoqi@0 | 1098 | private class DummyLocation implements Location { |
aoqi@0 | 1099 | public int getLineNumber() { |
aoqi@0 | 1100 | return -1; |
aoqi@0 | 1101 | } |
aoqi@0 | 1102 | |
aoqi@0 | 1103 | public int getColumnNumber() { |
aoqi@0 | 1104 | return -1; |
aoqi@0 | 1105 | } |
aoqi@0 | 1106 | |
aoqi@0 | 1107 | public int getCharacterOffset() { |
aoqi@0 | 1108 | return -1; |
aoqi@0 | 1109 | } |
aoqi@0 | 1110 | |
aoqi@0 | 1111 | public String getPublicId() { |
aoqi@0 | 1112 | return null; |
aoqi@0 | 1113 | } |
aoqi@0 | 1114 | |
aoqi@0 | 1115 | public String getSystemId() { |
aoqi@0 | 1116 | return _buffer.getSystemId(); |
aoqi@0 | 1117 | } |
aoqi@0 | 1118 | } |
aoqi@0 | 1119 | |
aoqi@0 | 1120 | private static String fixEmptyString(String s) { |
aoqi@0 | 1121 | // s must not be null, so no need to check for that. that would be bug. |
aoqi@0 | 1122 | if(s.length()==0) return null; |
aoqi@0 | 1123 | else return s; |
aoqi@0 | 1124 | } |
aoqi@0 | 1125 | |
aoqi@0 | 1126 | } |