aoqi@0: /*
aoqi@0:  * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.stream.buffer.stax;
aoqi@0: 
aoqi@0: import com.sun.xml.internal.stream.buffer.AbstractProcessor;
aoqi@0: import com.sun.xml.internal.stream.buffer.XMLStreamBuffer;
aoqi@0: 
aoqi@0: import java.io.IOException;
aoqi@0: import java.util.Collections;
aoqi@0: import java.util.HashSet;
aoqi@0: import java.util.Map;
aoqi@0: import java.util.Set;
aoqi@0: 
aoqi@0: import com.sun.xml.internal.org.jvnet.staxex.Base64Data;
aoqi@0: import com.sun.xml.internal.org.jvnet.staxex.XMLStreamWriterEx;
aoqi@0: 
aoqi@0: import javax.xml.stream.XMLStreamException;
aoqi@0: import javax.xml.stream.XMLStreamWriter;
aoqi@0: 
aoqi@0: 
aoqi@0: /**
aoqi@0:  * A processor of a {@link XMLStreamBuffer} that writes the XML infoset to a
aoqi@0:  * {@link XMLStreamWriter}.
aoqi@0:  *
aoqi@0:  * @author Paul.Sandoz@Sun.Com
aoqi@0:  * @author K.Venugopal@sun.com
aoqi@0:  */
aoqi@0: public class StreamWriterBufferProcessor extends AbstractProcessor {
aoqi@0: 
aoqi@0: 
aoqi@0:     public StreamWriterBufferProcessor() {
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * @deprecated
aoqi@0:      *      Use {@link #StreamWriterBufferProcessor(XMLStreamBuffer, boolean)}
aoqi@0:      */
aoqi@0:     public StreamWriterBufferProcessor(XMLStreamBuffer buffer) {
aoqi@0:         setXMLStreamBuffer(buffer,buffer.isFragment());
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * @param produceFragmentEvent
aoqi@0:      *      True to generate fragment SAX events without start/endDocument.
aoqi@0:      *      False to generate a full document SAX events.
aoqi@0:      */
aoqi@0:     public StreamWriterBufferProcessor(XMLStreamBuffer buffer,boolean produceFragmentEvent) {
aoqi@0:         setXMLStreamBuffer(buffer,produceFragmentEvent);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public final void process(XMLStreamBuffer buffer, XMLStreamWriter writer) throws XMLStreamException {
aoqi@0:         setXMLStreamBuffer(buffer,buffer.isFragment());
aoqi@0:         process(writer);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void process(XMLStreamWriter writer) throws XMLStreamException {
aoqi@0:         if(_fragmentMode){
aoqi@0:             writeFragment(writer);
aoqi@0:         }else{
aoqi@0:             write(writer);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * @deprecated
aoqi@0:      *      Use {@link #setXMLStreamBuffer(XMLStreamBuffer, boolean)}
aoqi@0:      */
aoqi@0:     public void setXMLStreamBuffer(XMLStreamBuffer buffer) {
aoqi@0:         setBuffer(buffer);
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * @param produceFragmentEvent
aoqi@0:      *      True to generate fragment SAX events without start/endDocument.
aoqi@0:      *      False to generate a full document SAX events.
aoqi@0:      */
aoqi@0:     public void setXMLStreamBuffer(XMLStreamBuffer buffer, boolean produceFragmentEvent) {
aoqi@0:         setBuffer(buffer,produceFragmentEvent);
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Writes a full XML infoset event to the given writer,
aoqi@0:      * including start/end document.
aoqi@0:      * Any inscope namespaces present will be written as namespace
aoqi@0:      * delcarations on each top-level element.
aoqi@0:      */
aoqi@0:     public void write(XMLStreamWriter writer) throws XMLStreamException{
aoqi@0: 
aoqi@0:         if(!_fragmentMode) {
aoqi@0:             if(_treeCount>1)
aoqi@0:                 throw new IllegalStateException("forest cannot be written as a full infoset");
aoqi@0:             writer.writeStartDocument();
aoqi@0:         }
aoqi@0: 
aoqi@0:         while(true) {
aoqi@0:             int item = getEIIState(peekStructure());
aoqi@0:             writer.flush();
aoqi@0: 
aoqi@0:             switch(item) {
aoqi@0:                 case STATE_DOCUMENT:
aoqi@0:                     readStructure(); //skip
aoqi@0:                     break;
aoqi@0:                 case STATE_ELEMENT_U_LN_QN:
aoqi@0:                 case STATE_ELEMENT_P_U_LN:
aoqi@0:                 case STATE_ELEMENT_U_LN:
aoqi@0:                 case STATE_ELEMENT_LN:
aoqi@0:                     writeFragment(writer);
aoqi@0:                     break;
aoqi@0:                 case STATE_COMMENT_AS_CHAR_ARRAY_SMALL: {
aoqi@0:                     readStructure();
aoqi@0:                     final int length = readStructure();
aoqi@0:                     final int start = readContentCharactersBuffer(length);
aoqi@0:                     final String comment = new String(_contentCharactersBuffer, start, length);
aoqi@0:                     writer.writeComment(comment);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_COMMENT_AS_CHAR_ARRAY_MEDIUM: {
aoqi@0:                     readStructure();
aoqi@0:                     final int length = readStructure16();
aoqi@0:                     final int start = readContentCharactersBuffer(length);
aoqi@0:                     final String comment = new String(_contentCharactersBuffer, start, length);
aoqi@0:                     writer.writeComment(comment);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_COMMENT_AS_CHAR_ARRAY_COPY: {
aoqi@0:                     readStructure();
aoqi@0:                     final char[] ch = readContentCharactersCopy();
aoqi@0:                     writer.writeComment(new String(ch));
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_PROCESSING_INSTRUCTION:
aoqi@0:                     readStructure();
aoqi@0:                     writer.writeProcessingInstruction(readStructureString(), readStructureString());
aoqi@0:                     break;
aoqi@0:                 case STATE_END: // done
aoqi@0:                     readStructure();
aoqi@0:                     writer.writeEndDocument();
aoqi@0:                     return;
aoqi@0:                 default:
aoqi@0:                     throw new XMLStreamException("Invalid State "+item);
aoqi@0:             }
aoqi@0:         }
aoqi@0: 
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Writes the buffer as a fragment, meaning
aoqi@0:      * the writer will not receive start/endDocument events.
aoqi@0:      * Any inscope namespaces present will be written as namespace
aoqi@0:      * delcarations on each top-level element.
aoqi@0:      * <p>
aoqi@0:      * If {@link XMLStreamBuffer} has a forest, this method will write all the forests.
aoqi@0:      */
aoqi@0:     public void writeFragment(XMLStreamWriter writer) throws XMLStreamException {
aoqi@0:         if (writer instanceof XMLStreamWriterEx) {
aoqi@0:             writeFragmentEx((XMLStreamWriterEx)writer);
aoqi@0:         } else {
aoqi@0:             writeFragmentNoEx(writer);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void writeFragmentEx(XMLStreamWriterEx writer) throws XMLStreamException {
aoqi@0:         int depth = 0;  // used to determine when we are done with a tree.
aoqi@0: 
aoqi@0:         int item = getEIIState(peekStructure());
aoqi@0:         if(item==STATE_DOCUMENT)
aoqi@0:             readStructure();    // skip STATE_DOCUMENT
aoqi@0: 
aoqi@0:         do {
aoqi@0: 
aoqi@0:             item = readEiiState();
aoqi@0: 
aoqi@0:             switch(item) {
aoqi@0:                 case STATE_DOCUMENT:
aoqi@0:                     throw new AssertionError();
aoqi@0:                 case STATE_ELEMENT_U_LN_QN: {
aoqi@0:                     depth ++;
aoqi@0:                     final String uri = readStructureString();
aoqi@0:                     final String localName = readStructureString();
aoqi@0:                     final String prefix = getPrefixFromQName(readStructureString());
aoqi@0:                     writer.writeStartElement(prefix,localName,uri);
aoqi@0:                     writeAttributes(writer, isInscope(depth));
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_ELEMENT_P_U_LN: {
aoqi@0:                     depth ++;
aoqi@0:                     final String prefix = readStructureString();
aoqi@0:                     final String uri = readStructureString();
aoqi@0:                     final String localName = readStructureString();
aoqi@0:                     writer.writeStartElement(prefix,localName,uri);
aoqi@0:                     writeAttributes(writer, isInscope(depth));
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_ELEMENT_U_LN: {
aoqi@0:                     depth ++;
aoqi@0:                     final String uri = readStructureString();
aoqi@0:                     final String localName = readStructureString();
aoqi@0:                     writer.writeStartElement("",localName,uri);
aoqi@0:                     writeAttributes(writer, isInscope(depth));
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_ELEMENT_LN: {
aoqi@0:                     depth ++;
aoqi@0:                     final String localName = readStructureString();
aoqi@0:                     writer.writeStartElement(localName);
aoqi@0:                     writeAttributes(writer, isInscope(depth));
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_TEXT_AS_CHAR_ARRAY_SMALL: {
aoqi@0:                     final int length = readStructure();
aoqi@0:                     final int start = readContentCharactersBuffer(length);
aoqi@0:                     writer.writeCharacters(_contentCharactersBuffer,start,length);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_TEXT_AS_CHAR_ARRAY_MEDIUM: {
aoqi@0:                     final int length = readStructure16();
aoqi@0:                     final int start = readContentCharactersBuffer(length);
aoqi@0:                     writer.writeCharacters(_contentCharactersBuffer,start,length);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_TEXT_AS_CHAR_ARRAY_COPY: {
aoqi@0:                     char[] c = readContentCharactersCopy();
aoqi@0:                     writer.writeCharacters(c,0,c.length);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_TEXT_AS_STRING: {
aoqi@0:                     final String s = readContentString();
aoqi@0:                     writer.writeCharacters(s);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_TEXT_AS_OBJECT: {
aoqi@0:                     final CharSequence c = (CharSequence)readContentObject();
aoqi@0:                     writer.writePCDATA(c);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_COMMENT_AS_CHAR_ARRAY_SMALL: {
aoqi@0:                     final int length = readStructure();
aoqi@0:                     final int start = readContentCharactersBuffer(length);
aoqi@0:                     final String comment = new String(_contentCharactersBuffer, start, length);
aoqi@0:                     writer.writeComment(comment);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_COMMENT_AS_CHAR_ARRAY_MEDIUM: {
aoqi@0:                     final int length = readStructure16();
aoqi@0:                     final int start = readContentCharactersBuffer(length);
aoqi@0:                     final String comment = new String(_contentCharactersBuffer, start, length);
aoqi@0:                     writer.writeComment(comment);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_COMMENT_AS_CHAR_ARRAY_COPY: {
aoqi@0:                     final char[] ch = readContentCharactersCopy();
aoqi@0:                     writer.writeComment(new String(ch));
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_PROCESSING_INSTRUCTION:
aoqi@0:                     writer.writeProcessingInstruction(readStructureString(), readStructureString());
aoqi@0:                     break;
aoqi@0:                 case STATE_END:
aoqi@0:                     writer.writeEndElement();
aoqi@0:                     depth --;
aoqi@0:                     if(depth==0)
aoqi@0:                         _treeCount--;
aoqi@0:                     break;
aoqi@0:                 default:
aoqi@0:                     throw new XMLStreamException("Invalid State "+item);
aoqi@0:             }
aoqi@0:         } while(depth>0 || _treeCount>0);
aoqi@0: 
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void writeFragmentNoEx(XMLStreamWriter writer) throws XMLStreamException {
aoqi@0:         int depth = 0;
aoqi@0: 
aoqi@0:         int item = getEIIState(peekStructure());
aoqi@0:         if(item==STATE_DOCUMENT)
aoqi@0:             readStructure();    // skip STATE_DOCUMENT
aoqi@0: 
aoqi@0:         do {
aoqi@0:             item = readEiiState();
aoqi@0: 
aoqi@0:             switch(item) {
aoqi@0:                 case STATE_DOCUMENT:
aoqi@0:                     throw new AssertionError();
aoqi@0:                 case STATE_ELEMENT_U_LN_QN: {
aoqi@0:                     depth ++;
aoqi@0:                     final String uri = readStructureString();
aoqi@0:                     final String localName = readStructureString();
aoqi@0:                     final String prefix = getPrefixFromQName(readStructureString());
aoqi@0:                     writer.writeStartElement(prefix,localName,uri);
aoqi@0:                     writeAttributes(writer, isInscope(depth));
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_ELEMENT_P_U_LN: {
aoqi@0:                     depth ++;
aoqi@0:                     final String prefix = readStructureString();
aoqi@0:                     final String uri = readStructureString();
aoqi@0:                     final String localName = readStructureString();
aoqi@0:                     writer.writeStartElement(prefix,localName,uri);
aoqi@0:                     writeAttributes(writer, isInscope(depth));
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_ELEMENT_U_LN: {
aoqi@0:                     depth ++;
aoqi@0:                     final String uri = readStructureString();
aoqi@0:                     final String localName = readStructureString();
aoqi@0:                     writer.writeStartElement("",localName,uri);
aoqi@0:                     writeAttributes(writer, isInscope(depth));
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_ELEMENT_LN: {
aoqi@0:                     depth ++;
aoqi@0:                     final String localName = readStructureString();
aoqi@0:                     writer.writeStartElement(localName);
aoqi@0:                     writeAttributes(writer, isInscope(depth));
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_TEXT_AS_CHAR_ARRAY_SMALL: {
aoqi@0:                     final int length = readStructure();
aoqi@0:                     final int start = readContentCharactersBuffer(length);
aoqi@0:                     writer.writeCharacters(_contentCharactersBuffer,start,length);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_TEXT_AS_CHAR_ARRAY_MEDIUM: {
aoqi@0:                     final int length = readStructure16();
aoqi@0:                     final int start = readContentCharactersBuffer(length);
aoqi@0:                     writer.writeCharacters(_contentCharactersBuffer,start,length);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_TEXT_AS_CHAR_ARRAY_COPY: {
aoqi@0:                     char[] c = readContentCharactersCopy();
aoqi@0:                     writer.writeCharacters(c,0,c.length);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_TEXT_AS_STRING: {
aoqi@0:                     final String s = readContentString();
aoqi@0:                     writer.writeCharacters(s);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_TEXT_AS_OBJECT: {
aoqi@0:                     final CharSequence c = (CharSequence)readContentObject();
aoqi@0:                     if (c instanceof Base64Data) {
aoqi@0:                         try {
aoqi@0:                             Base64Data bd = (Base64Data)c;
aoqi@0:                             bd.writeTo(writer);
aoqi@0:                         } catch (IOException e) {
aoqi@0:                           throw new XMLStreamException(e);
aoqi@0:                         }
aoqi@0:                     } else {
aoqi@0:                          writer.writeCharacters(c.toString());
aoqi@0:                     }
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_COMMENT_AS_CHAR_ARRAY_SMALL: {
aoqi@0:                     final int length = readStructure();
aoqi@0:                     final int start = readContentCharactersBuffer(length);
aoqi@0:                     final String comment = new String(_contentCharactersBuffer, start, length);
aoqi@0:                     writer.writeComment(comment);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_COMMENT_AS_CHAR_ARRAY_MEDIUM: {
aoqi@0:                     final int length = readStructure16();
aoqi@0:                     final int start = readContentCharactersBuffer(length);
aoqi@0:                     final String comment = new String(_contentCharactersBuffer, start, length);
aoqi@0:                     writer.writeComment(comment);
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_COMMENT_AS_CHAR_ARRAY_COPY: {
aoqi@0:                     final char[] ch = readContentCharactersCopy();
aoqi@0:                     writer.writeComment(new String(ch));
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_PROCESSING_INSTRUCTION:
aoqi@0:                     writer.writeProcessingInstruction(readStructureString(), readStructureString());
aoqi@0:                     break;
aoqi@0:                 case STATE_END:
aoqi@0:                     writer.writeEndElement();
aoqi@0:                     depth --;
aoqi@0:                     if(depth==0)
aoqi@0:                         _treeCount--;
aoqi@0:                     break;
aoqi@0:                 default:
aoqi@0:                     throw new XMLStreamException("Invalid State "+item);
aoqi@0:             }
aoqi@0:         } while(depth > 0 || _treeCount>0);
aoqi@0: 
aoqi@0:     }
aoqi@0: 
aoqi@0:     private boolean isInscope(int depth) {
aoqi@0:         return _buffer.getInscopeNamespaces().size() > 0 && depth ==1;
aoqi@0:     }
aoqi@0: 
aoqi@0:     /*
aoqi@0:      * @param inscope: true means write inscope namespaces
aoqi@0:      */
aoqi@0:     private void writeAttributes(XMLStreamWriter writer, boolean inscope) throws XMLStreamException {
aoqi@0:         // prefixSet to collect prefixes that are written before writing inscope namespaces
aoqi@0:         Set<String> prefixSet = inscope ? new HashSet<String>() : Collections.<String>emptySet();
aoqi@0:         int item = peekStructure();
aoqi@0:         if ((item & TYPE_MASK) == T_NAMESPACE_ATTRIBUTE) {
aoqi@0:             // Skip the namespace declarations on the element
aoqi@0:             // they will have been added already
aoqi@0:             item = writeNamespaceAttributes(item, writer, inscope, prefixSet);
aoqi@0:         }
aoqi@0:         if (inscope) {
aoqi@0:             writeInscopeNamespaces(writer, prefixSet);
aoqi@0:         }
aoqi@0:         if ((item & TYPE_MASK) == T_ATTRIBUTE) {
aoqi@0:             writeAttributes(item, writer);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     private static String fixNull(String s) {
aoqi@0:         if (s == null) return "";
aoqi@0:         else return s;
aoqi@0:     }
aoqi@0: 
aoqi@0:     /*
aoqi@0:      * @param prefixSet: already written prefixes
aoqi@0:      */
aoqi@0:     private void writeInscopeNamespaces(XMLStreamWriter writer, Set<String> prefixSet) throws XMLStreamException {
aoqi@0:         for (Map.Entry<String, String> e : _buffer.getInscopeNamespaces().entrySet()) {
aoqi@0:             String key = fixNull(e.getKey());
aoqi@0:             // If the prefix is already written, do not write the prefix
aoqi@0:             if (!prefixSet.contains(key)) {
aoqi@0:                 writer.writeNamespace(key, e.getValue());
aoqi@0:             }
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     private int writeNamespaceAttributes(int item, XMLStreamWriter writer, boolean collectPrefixes, Set<String> prefixSet) throws XMLStreamException {
aoqi@0:         do {
aoqi@0:             switch(getNIIState(item)){
aoqi@0:                 case STATE_NAMESPACE_ATTRIBUTE:
aoqi@0:                     // Undeclaration of default namespace
aoqi@0:                     writer.writeDefaultNamespace("");
aoqi@0:                     if (collectPrefixes) {
aoqi@0:                         prefixSet.add("");
aoqi@0:                     }
aoqi@0:                     break;
aoqi@0:                 case STATE_NAMESPACE_ATTRIBUTE_P:
aoqi@0:                     // Undeclaration of namespace
aoqi@0:                     // Declaration with prefix
aoqi@0:                     String prefix = readStructureString();
aoqi@0:                     writer.writeNamespace(prefix, "");
aoqi@0:                     if (collectPrefixes) {
aoqi@0:                         prefixSet.add(prefix);
aoqi@0:                     }
aoqi@0:                     break;
aoqi@0:                 case STATE_NAMESPACE_ATTRIBUTE_P_U:
aoqi@0:                     // Declaration with prefix
aoqi@0:                     prefix = readStructureString();
aoqi@0:                     writer.writeNamespace(prefix, readStructureString());
aoqi@0:                     if (collectPrefixes) {
aoqi@0:                         prefixSet.add(prefix);
aoqi@0:                     }
aoqi@0:                     break;
aoqi@0:                 case STATE_NAMESPACE_ATTRIBUTE_U:
aoqi@0:                     // Default declaration
aoqi@0:                     writer.writeDefaultNamespace(readStructureString());
aoqi@0:                     if (collectPrefixes) {
aoqi@0:                         prefixSet.add("");
aoqi@0:                     }
aoqi@0:                     break;
aoqi@0:             }
aoqi@0:             readStructure();
aoqi@0: 
aoqi@0:             item = peekStructure();
aoqi@0:         } while((item & TYPE_MASK) == T_NAMESPACE_ATTRIBUTE);
aoqi@0: 
aoqi@0:         return item;
aoqi@0:     }
aoqi@0: 
aoqi@0:     private void writeAttributes(int item, XMLStreamWriter writer) throws XMLStreamException {
aoqi@0:         do {
aoqi@0:             switch(getAIIState(item)) {
aoqi@0:                 case STATE_ATTRIBUTE_U_LN_QN: {
aoqi@0:                     final String uri = readStructureString();
aoqi@0:                     final String localName = readStructureString();
aoqi@0:                     final String prefix = getPrefixFromQName(readStructureString());
aoqi@0:                     writer.writeAttribute(prefix,uri,localName,readContentString());
aoqi@0:                     break;
aoqi@0:                 }
aoqi@0:                 case STATE_ATTRIBUTE_P_U_LN:
aoqi@0:                     writer.writeAttribute(readStructureString(), readStructureString(),
aoqi@0:                             readStructureString(), readContentString());
aoqi@0:                     break;
aoqi@0:                 case STATE_ATTRIBUTE_U_LN:
aoqi@0:                     writer.writeAttribute(readStructureString(), readStructureString(), readContentString());
aoqi@0:                     break;
aoqi@0:                 case STATE_ATTRIBUTE_LN:
aoqi@0:                     writer.writeAttribute(readStructureString(), readContentString());
aoqi@0:                     break;
aoqi@0:             }
aoqi@0:             // Ignore the attribute type
aoqi@0:             readStructureString();
aoqi@0: 
aoqi@0:             readStructure();
aoqi@0: 
aoqi@0:             item = peekStructure();
aoqi@0:         } while((item & TYPE_MASK) == T_ATTRIBUTE);
aoqi@0:     }
aoqi@0: }