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authorAndrew Haley <aph@redhat.com>2016-09-30 16:24:48 +0000
committerAndrew Haley <aph@gcc.gnu.org>2016-09-30 16:24:48 +0000
commit07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch)
tree3f22b3241c513ad168c8353805614ae1249410f4 /libjava/classpath/gnu/xml/stream/XMLParser.java
parenteae993948bae8b788c53772bcb9217c063716f93 (diff)
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Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com> * Makefile.def: Remove libjava. * Makefile.tpl: Likewise. * Makefile.in: Regenerate. * configure.ac: Likewise. * configure: Likewise. * gcc/java: Remove. * libjava: Likewise. From-SVN: r240662
Diffstat (limited to 'libjava/classpath/gnu/xml/stream/XMLParser.java')
-rw-r--r--libjava/classpath/gnu/xml/stream/XMLParser.java5434
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diff --git a/libjava/classpath/gnu/xml/stream/XMLParser.java b/libjava/classpath/gnu/xml/stream/XMLParser.java
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+++ /dev/null
@@ -1,5434 +0,0 @@
-/* XMLParser.java --
- Copyright (C) 2005 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version.
-
-Partly derived from code which carried the following notice:
-
- Copyright (c) 1997, 1998 by Microstar Software Ltd.
-
- AElfred is free for both commercial and non-commercial use and
- redistribution, provided that Microstar's copyright and disclaimer are
- retained intact. You are free to modify AElfred for your own use and
- to redistribute AElfred with your modifications, provided that the
- modifications are clearly documented.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- merchantability or fitness for a particular purpose. Please use it AT
- YOUR OWN RISK.
-*/
-
-package gnu.xml.stream;
-
-import gnu.java.lang.CPStringBuilder;
-
-import java.io.BufferedInputStream;
-import java.io.EOFException;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.FileWriter;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.IOException;
-import java.io.Reader;
-import java.io.StringReader;
-import java.io.UnsupportedEncodingException;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.LinkedHashMap;
-import java.util.LinkedList;
-import java.util.Map;
-import java.util.NoSuchElementException;
-import java.util.StringTokenizer;
-
-import javax.xml.XMLConstants;
-import javax.xml.namespace.NamespaceContext;
-import javax.xml.namespace.QName;
-import javax.xml.stream.Location;
-import javax.xml.stream.XMLInputFactory;
-import javax.xml.stream.XMLReporter;
-import javax.xml.stream.XMLResolver;
-import javax.xml.stream.XMLStreamConstants;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamReader;
-
-import gnu.java.net.CRLFInputStream;
-import gnu.classpath.debug.TeeInputStream;
-import gnu.classpath.debug.TeeReader;
-
-/**
- * An XML parser.
- * This parser supports the following additional StAX properties:
- * <table>
- * <tr><td>gnu.xml.stream.stringInterning</td>
- * <td>Boolean</td>
- * <td>Indicates whether markup strings will be interned</td></tr>
- * <tr><td>gnu.xml.stream.xmlBase</td>
- * <td>Boolean</td>
- * <td>Indicates whether XML Base processing will be performed</td></tr>
- * <tr><td>gnu.xml.stream.baseURI</td>
- * <td>String</td>
- * <td>Returns the base URI of the current event</td></tr>
- * </table>
- *
- * @see http://www.w3.org/TR/REC-xml/
- * @see http://www.w3.org/TR/xml11/
- * @see http://www.w3.org/TR/REC-xml-names
- * @see http://www.w3.org/TR/xml-names11
- * @see http://www.w3.org/TR/xmlbase/
- *
- * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
- */
-public class XMLParser
- implements XMLStreamReader, NamespaceContext
-{
-
- // -- parser state machine states --
- private static final int INIT = 0; // start state
- private static final int PROLOG = 1; // in prolog
- private static final int CONTENT = 2; // in content
- private static final int EMPTY_ELEMENT = 3; // empty element state
- private static final int MISC = 4; // in Misc (after root element)
-
- // -- parameters for parsing literals --
- private final static int LIT_ENTITY_REF = 2;
- private final static int LIT_NORMALIZE = 4;
- private final static int LIT_ATTRIBUTE = 8;
- private final static int LIT_DISABLE_PE = 16;
- private final static int LIT_DISABLE_CREF = 32;
- private final static int LIT_DISABLE_EREF = 64;
- private final static int LIT_PUBID = 256;
-
- // -- types of attribute values --
- final static int ATTRIBUTE_DEFAULT_UNDECLARED = 30;
- final static int ATTRIBUTE_DEFAULT_SPECIFIED = 31;
- final static int ATTRIBUTE_DEFAULT_IMPLIED = 32;
- final static int ATTRIBUTE_DEFAULT_REQUIRED = 33;
- final static int ATTRIBUTE_DEFAULT_FIXED = 34;
-
- // -- additional event types --
- final static int START_ENTITY = 50;
- final static int END_ENTITY = 51;
-
- /**
- * The current input.
- */
- private Input input;
-
- /**
- * Stack of inputs representing XML general entities.
- * The input representing the XML input stream or reader is always the
- * first element in this stack.
- */
- private LinkedList inputStack = new LinkedList();
-
- /**
- * Stack of start-entity events to be reported.
- */
- private LinkedList startEntityStack = new LinkedList();
-
- /**
- * Stack of end-entity events to be reported.
- */
- private LinkedList endEntityStack = new LinkedList();
-
- /**
- * Current parser state within the main state machine.
- */
- private int state = INIT;
-
- /**
- * The (type of the) current event.
- */
- private int event;
-
- /**
- * The element name stack. The first element in this stack will be the
- * root element.
- */
- private LinkedList stack = new LinkedList();
-
- /**
- * Stack of namespace contexts. These are maps specifying prefix-to-URI
- * mappings. The first element in this stack is the most recent namespace
- * context (i.e. the other way around from the element name stack).
- */
- private LinkedList namespaces = new LinkedList();
-
- /**
- * The base-URI stack. This holds the base URI context for each element.
- * The first element in this stack is the most recent context (i.e. the
- * other way around from the element name stack).
- */
- private LinkedList bases = new LinkedList();
-
- /**
- * The list of attributes for the current element, in the order defined in
- * the XML stream.
- */
- private ArrayList attrs = new ArrayList();
-
- /**
- * Buffer for text and character data.
- */
- private StringBuffer buf = new StringBuffer();
-
- /**
- * Buffer for NMTOKEN strings (markup).
- */
- private StringBuffer nmtokenBuf = new StringBuffer();
-
- /**
- * Buffer for string literals. (e.g. attribute values)
- */
- private StringBuffer literalBuf = new StringBuffer();
-
- /**
- * Temporary Unicode character buffer used during character data reads.
- */
- private int[] tmpBuf = new int[1024];
-
- /**
- * The element content model for the current element.
- */
- private ContentModel currentContentModel;
-
- /**
- * The validation stack. This holds lists of the elements seen for each
- * element, in order to determine whether the names and order of these
- * elements match the content model for the element. The last entry in
- * this stack represents the current element.
- */
- private LinkedList validationStack;
-
- /**
- * These sets contain the IDs and the IDREFs seen in the document, to
- * ensure that IDs are unique and that each IDREF refers to an ID in the
- * document.
- */
- private HashSet ids, idrefs;
-
- /**
- * The target and data associated with the current processing instruction
- * event.
- */
- private String piTarget, piData;
-
- /**
- * The XML version declared in the XML declaration.
- */
- private String xmlVersion;
-
- /**
- * The encoding declared in the XML declaration.
- */
- private String xmlEncoding;
-
- /**
- * The standalone value declared in the XML declaration.
- */
- private Boolean xmlStandalone;
-
- /**
- * The document type definition.
- */
- Doctype doctype;
-
- /**
- * State variables for determining parameter-entity expansion.
- */
- private boolean expandPE, peIsError;
-
- /**
- * Whether this is a validating parser.
- */
- private final boolean validating;
-
- /**
- * Whether strings representing markup will be interned.
- */
- private final boolean stringInterning;
-
- /**
- * If true, CDATA sections will be merged with adjacent text nodes into a
- * single event.
- */
- private final boolean coalescing;
-
- /**
- * Whether to replace general entity references with their replacement
- * text automatically during parsing.
- * Otherwise entity-reference events will be issued.
- */
- private final boolean replaceERefs;
-
- /**
- * Whether to support external entities.
- */
- private final boolean externalEntities;
-
- /**
- * Whether to support DTDs.
- */
- private final boolean supportDTD;
-
- /**
- * Whether to support XML namespaces. If true, namespace information will
- * be available. Otherwise namespaces will simply be reported as ordinary
- * attributes.
- */
- private final boolean namespaceAware;
-
- /**
- * Whether to support XML Base. If true, URIs specified in xml:base
- * attributes will be honoured when resolving external entities.
- */
- private final boolean baseAware;
-
- /**
- * Whether to report extended event types (START_ENTITY and END_ENTITY)
- * in addition to the standard event types. Used by the SAX parser.
- */
- private final boolean extendedEventTypes;
-
- /**
- * The reporter to receive parsing warnings.
- */
- final XMLReporter reporter;
-
- /**
- * Callback interface for resolving external entities.
- */
- final XMLResolver resolver;
-
- // -- Constants for testing the next kind of markup event --
- private static final String TEST_START_ELEMENT = "<";
- private static final String TEST_END_ELEMENT = "</";
- private static final String TEST_COMMENT = "<!--";
- private static final String TEST_PI = "<?";
- private static final String TEST_CDATA = "<![CDATA[";
- private static final String TEST_XML_DECL = "<?xml";
- private static final String TEST_DOCTYPE_DECL = "<!DOCTYPE";
- private static final String TEST_ELEMENT_DECL = "<!ELEMENT";
- private static final String TEST_ATTLIST_DECL = "<!ATTLIST";
- private static final String TEST_ENTITY_DECL = "<!ENTITY";
- private static final String TEST_NOTATION_DECL = "<!NOTATION";
- private static final String TEST_KET = ">";
- private static final String TEST_END_COMMENT = "--";
- private static final String TEST_END_PI = "?>";
- private static final String TEST_END_CDATA = "]]>";
-
- /**
- * The general entities predefined by the XML specification.
- */
- private static final LinkedHashMap PREDEFINED_ENTITIES = new LinkedHashMap();
- static
- {
- PREDEFINED_ENTITIES.put("amp", "&");
- PREDEFINED_ENTITIES.put("lt", "<");
- PREDEFINED_ENTITIES.put("gt", ">");
- PREDEFINED_ENTITIES.put("apos", "'");
- PREDEFINED_ENTITIES.put("quot", "\"");
- }
-
- /**
- * Creates a new XML parser for the given input stream.
- * This constructor should be used where possible, as it allows the
- * encoding of the XML data to be correctly determined from the stream.
- * @param in the input stream
- * @param systemId the URL from which the input stream was retrieved
- * (necessary if there are external entities to be resolved)
- * @param validating if the parser is to be a validating parser
- * @param namespaceAware if the parser should support XML Namespaces
- * @param coalescing if CDATA sections should be merged into adjacent text
- * nodes
- * @param replaceERefs if entity references should be automatically
- * replaced by their replacement text (otherwise they will be reported as
- * entity-reference events)
- * @param externalEntities if external entities should be loaded
- * @param supportDTD if support for the XML DTD should be enabled
- * @param baseAware if the parser should support XML Base to resolve
- * external entities
- * @param stringInterning whether strings will be interned during parsing
- * @param reporter the reporter to receive warnings during processing
- * @param resolver the callback interface used to resolve external
- * entities
- */
- public XMLParser(InputStream in, String systemId,
- boolean validating,
- boolean namespaceAware,
- boolean coalescing,
- boolean replaceERefs,
- boolean externalEntities,
- boolean supportDTD,
- boolean baseAware,
- boolean stringInterning,
- boolean extendedEventTypes,
- XMLReporter reporter,
- XMLResolver resolver)
- {
- this.validating = validating;
- this.namespaceAware = namespaceAware;
- this.coalescing = coalescing;
- this.replaceERefs = replaceERefs;
- this.externalEntities = externalEntities;
- this.supportDTD = supportDTD;
- this.baseAware = baseAware;
- this.stringInterning = stringInterning;
- this.extendedEventTypes = extendedEventTypes;
- this.reporter = reporter;
- this.resolver = resolver;
- if (validating)
- {
- validationStack = new LinkedList();
- ids = new HashSet();
- idrefs = new HashSet();
- }
- String debug = System.getProperty("gnu.xml.debug.input");
- if (debug != null)
- {
- try
- {
- File file = File.createTempFile(debug, ".xml");
- in = new TeeInputStream(in, new FileOutputStream(file));
- }
- catch (IOException e)
- {
- RuntimeException e2 = new RuntimeException();
- e2.initCause(e);
- throw e2;
- }
- }
- systemId = canonicalize(systemId);
- pushInput(new Input(in, null, null, systemId, null, null, false, true));
- }
-
- /**
- * Creates a new XML parser for the given character stream.
- * This constructor is only available for compatibility with the JAXP
- * APIs, which permit XML to be parsed from a character stream. Because
- * the encoding specified by the character stream may conflict with that
- * specified in the XML declaration, this method should be avoided where
- * possible.
- * @param in the input stream
- * @param systemId the URL from which the input stream was retrieved
- * (necessary if there are external entities to be resolved)
- * @param validating if the parser is to be a validating parser
- * @param namespaceAware if the parser should support XML Namespaces
- * @param coalescing if CDATA sections should be merged into adjacent text
- * nodes
- * @param replaceERefs if entity references should be automatically
- * replaced by their replacement text (otherwise they will be reported as
- * entity-reference events)
- * @param externalEntities if external entities should be loaded
- * @param supportDTD if support for the XML DTD should be enabled
- * @param baseAware if the parser should support XML Base to resolve
- * external entities
- * @param stringInterning whether strings will be interned during parsing
- * @param reporter the reporter to receive warnings during processing
- * @param resolver the callback interface used to resolve external
- * entities
- */
- public XMLParser(Reader reader, String systemId,
- boolean validating,
- boolean namespaceAware,
- boolean coalescing,
- boolean replaceERefs,
- boolean externalEntities,
- boolean supportDTD,
- boolean baseAware,
- boolean stringInterning,
- boolean extendedEventTypes,
- XMLReporter reporter,
- XMLResolver resolver)
- {
- this.validating = validating;
- this.namespaceAware = namespaceAware;
- this.coalescing = coalescing;
- this.replaceERefs = replaceERefs;
- this.externalEntities = externalEntities;
- this.supportDTD = supportDTD;
- this.baseAware = baseAware;
- this.stringInterning = stringInterning;
- this.extendedEventTypes = extendedEventTypes;
- this.reporter = reporter;
- this.resolver = resolver;
- if (validating)
- {
- validationStack = new LinkedList();
- ids = new HashSet();
- idrefs = new HashSet();
- }
- String debug = System.getProperty("gnu.xml.debug.input");
- if (debug != null)
- {
- try
- {
- File file = File.createTempFile(debug, ".xml");
- reader = new TeeReader(reader, new FileWriter(file));
- }
- catch (IOException e)
- {
- RuntimeException e2 = new RuntimeException();
- e2.initCause(e);
- throw e2;
- }
- }
- systemId = canonicalize(systemId);
- pushInput(new Input(null, reader, null, systemId, null, null, false, true));
- }
-
- // -- NamespaceContext --
-
- public String getNamespaceURI(String prefix)
- {
- if (XMLConstants.XML_NS_PREFIX.equals(prefix))
- return XMLConstants.XML_NS_URI;
- if (XMLConstants.XMLNS_ATTRIBUTE.equals(prefix))
- return XMLConstants.XMLNS_ATTRIBUTE_NS_URI;
- for (Iterator i = namespaces.iterator(); i.hasNext(); )
- {
- LinkedHashMap ctx = (LinkedHashMap) i.next();
- String namespaceURI = (String) ctx.get(prefix);
- if (namespaceURI != null)
- return namespaceURI;
- }
- return null;
- }
-
- public String getPrefix(String namespaceURI)
- {
- if (XMLConstants.XML_NS_URI.equals(namespaceURI))
- return XMLConstants.XML_NS_PREFIX;
- if (XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(namespaceURI))
- return XMLConstants.XMLNS_ATTRIBUTE;
- for (Iterator i = namespaces.iterator(); i.hasNext(); )
- {
- LinkedHashMap ctx = (LinkedHashMap) i.next();
- if (ctx.containsValue(namespaceURI))
- {
- for (Iterator j = ctx.entrySet().iterator(); j.hasNext(); )
- {
- Map.Entry entry = (Map.Entry) i.next();
- String uri = (String) entry.getValue();
- if (uri.equals(namespaceURI))
- return (String) entry.getKey();
- }
- }
- }
- return null;
- }
-
- public Iterator getPrefixes(String namespaceURI)
- {
- if (XMLConstants.XML_NS_URI.equals(namespaceURI))
- return Collections.singleton(XMLConstants.XML_NS_PREFIX).iterator();
- if (XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(namespaceURI))
- return Collections.singleton(XMLConstants.XMLNS_ATTRIBUTE).iterator();
- LinkedList acc = new LinkedList();
- for (Iterator i = namespaces.iterator(); i.hasNext(); )
- {
- LinkedHashMap ctx = (LinkedHashMap) i.next();
- if (ctx.containsValue(namespaceURI))
- {
- for (Iterator j = ctx.entrySet().iterator(); j.hasNext(); )
- {
- Map.Entry entry = (Map.Entry) i.next();
- String uri = (String) entry.getValue();
- if (uri.equals(namespaceURI))
- acc.add(entry.getKey());
- }
- }
- }
- return acc.iterator();
- }
-
- // -- XMLStreamReader --
-
- public void close()
- throws XMLStreamException
- {
- stack = null;
- namespaces = null;
- bases = null;
- buf = null;
- attrs = null;
- doctype = null;
-
- inputStack = null;
- validationStack = null;
- ids = null;
- idrefs = null;
- }
-
- public NamespaceContext getNamespaceContext()
- {
- return this;
- }
-
- public int getAttributeCount()
- {
- return attrs.size();
- }
-
- public String getAttributeLocalName(int index)
- {
- Attribute a = (Attribute) attrs.get(index);
- return a.localName;
- }
-
- public String getAttributeNamespace(int index)
- {
- String prefix = getAttributePrefix(index);
- return getNamespaceURI(prefix);
- }
-
- public String getAttributePrefix(int index)
- {
- Attribute a = (Attribute) attrs.get(index);
- return a.prefix;
- }
-
- public QName getAttributeName(int index)
- {
- Attribute a = (Attribute) attrs.get(index);
- String namespaceURI = getNamespaceURI(a.prefix);
- return new QName(namespaceURI, a.localName, a.prefix);
- }
-
- public String getAttributeType(int index)
- {
- Attribute a = (Attribute) attrs.get(index);
- return a.type;
- }
-
- private String getAttributeType(String elementName, String attName)
- {
- if (doctype != null)
- {
- AttributeDecl att = doctype.getAttributeDecl(elementName, attName);
- if (att != null)
- return att.type;
- }
- return "CDATA";
- }
-
- public String getAttributeValue(int index)
- {
- Attribute a = (Attribute) attrs.get(index);
- return a.value;
- }
-
- public String getAttributeValue(String namespaceURI, String localName)
- {
- for (Iterator i = attrs.iterator(); i.hasNext(); )
- {
- Attribute a = (Attribute) i.next();
- if (a.localName.equals(localName))
- {
- String uri = getNamespaceURI(a.prefix);
- if ((uri == null && namespaceURI == null) ||
- (uri != null && uri.equals(namespaceURI)))
- return a.value;
- }
- }
- return null;
- }
-
- boolean isAttributeDeclared(int index)
- {
- if (doctype == null)
- return false;
- Attribute a = (Attribute) attrs.get(index);
- String qn = ("".equals(a.prefix)) ? a.localName :
- a.prefix + ":" + a.localName;
- String elementName = buf.toString();
- return doctype.isAttributeDeclared(elementName, qn);
- }
-
- public String getCharacterEncodingScheme()
- {
- return xmlEncoding;
- }
-
- public String getElementText()
- throws XMLStreamException
- {
- if (event != XMLStreamConstants.START_ELEMENT)
- throw new XMLStreamException("current event must be START_ELEMENT");
- CPStringBuilder elementText = new CPStringBuilder();
- int depth = stack.size();
- while (event != XMLStreamConstants.END_ELEMENT || stack.size() > depth)
- {
- switch (next())
- {
- case XMLStreamConstants.CHARACTERS:
- case XMLStreamConstants.SPACE:
- elementText.append(buf.toString());
- }
- }
- return elementText.toString();
- }
-
- public String getEncoding()
- {
- return (input.inputEncoding == null) ? "UTF-8" : input.inputEncoding;
- }
-
- public int getEventType()
- {
- return event;
- }
-
- public String getLocalName()
- {
- switch (event)
- {
- case XMLStreamConstants.START_ELEMENT:
- case XMLStreamConstants.END_ELEMENT:
- String qName = buf.toString();
- int ci = qName.indexOf(':');
- String localName = (ci == -1) ? qName : qName.substring(ci + 1);
- if (stringInterning)
- localName = localName.intern();
- return localName;
- default:
- return null;
- }
- }
-
- public Location getLocation()
- {
- return input;
- }
-
- public QName getName()
- {
- switch (event)
- {
- case XMLStreamConstants.START_ELEMENT:
- case XMLStreamConstants.END_ELEMENT:
- String qName = buf.toString();
- int ci = qName.indexOf(':');
- String localName = (ci == -1) ? qName : qName.substring(ci + 1);
- if (stringInterning)
- localName = localName.intern();
- String prefix = (ci == -1) ?
- (namespaceAware ? XMLConstants.DEFAULT_NS_PREFIX : null) :
- qName.substring(0, ci);
- if (stringInterning && prefix != null)
- prefix = prefix.intern();
- String namespaceURI = getNamespaceURI(prefix);
- return new QName(namespaceURI, localName, prefix);
- default:
- return null;
- }
- }
-
- public int getNamespaceCount()
- {
- if (!namespaceAware || namespaces.isEmpty())
- return 0;
- switch (event)
- {
- case XMLStreamConstants.START_ELEMENT:
- case XMLStreamConstants.END_ELEMENT:
- LinkedHashMap ctx = (LinkedHashMap) namespaces.getFirst();
- return ctx.size();
- default:
- return 0;
- }
- }
-
- public String getNamespacePrefix(int index)
- {
- LinkedHashMap ctx = (LinkedHashMap) namespaces.getFirst();
- int count = 0;
- for (Iterator i = ctx.keySet().iterator(); i.hasNext(); )
- {
- String prefix = (String) i.next();
- if (count++ == index)
- return prefix;
- }
- return null;
- }
-
- public String getNamespaceURI()
- {
- switch (event)
- {
- case XMLStreamConstants.START_ELEMENT:
- case XMLStreamConstants.END_ELEMENT:
- String qName = buf.toString();
- int ci = qName.indexOf(':');
- if (ci == -1)
- return null;
- String prefix = qName.substring(0, ci);
- return getNamespaceURI(prefix);
- default:
- return null;
- }
- }
-
- public String getNamespaceURI(int index)
- {
- LinkedHashMap ctx = (LinkedHashMap) namespaces.getFirst();
- int count = 0;
- for (Iterator i = ctx.values().iterator(); i.hasNext(); )
- {
- String uri = (String) i.next();
- if (count++ == index)
- return uri;
- }
- return null;
- }
-
- public String getPIData()
- {
- return piData;
- }
-
- public String getPITarget()
- {
- return piTarget;
- }
-
- public String getPrefix()
- {
- switch (event)
- {
- case XMLStreamConstants.START_ELEMENT:
- case XMLStreamConstants.END_ELEMENT:
- String qName = buf.toString();
- int ci = qName.indexOf(':');
- String prefix = (ci == -1) ?
- (namespaceAware ? XMLConstants.DEFAULT_NS_PREFIX : null) :
- qName.substring(0, ci);
- if (stringInterning && prefix != null)
- prefix = prefix.intern();
- return prefix;
- default:
- return null;
- }
- }
-
- public Object getProperty(String name)
- throws IllegalArgumentException
- {
- if (name == null)
- throw new IllegalArgumentException("name is null");
- if (XMLInputFactory.ALLOCATOR.equals(name))
- return null;
- if (XMLInputFactory.IS_COALESCING.equals(name))
- return coalescing ? Boolean.TRUE : Boolean.FALSE;
- if (XMLInputFactory.IS_NAMESPACE_AWARE.equals(name))
- return namespaceAware ? Boolean.TRUE : Boolean.FALSE;
- if (XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES.equals(name))
- return replaceERefs ? Boolean.TRUE : Boolean.FALSE;
- if (XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES.equals(name))
- return externalEntities ? Boolean.TRUE : Boolean.FALSE;
- if (XMLInputFactory.IS_VALIDATING.equals(name))
- return Boolean.FALSE;
- if (XMLInputFactory.REPORTER.equals(name))
- return reporter;
- if (XMLInputFactory.RESOLVER.equals(name))
- return resolver;
- if (XMLInputFactory.SUPPORT_DTD.equals(name))
- return supportDTD ? Boolean.TRUE : Boolean.FALSE;
- if ("gnu.xml.stream.stringInterning".equals(name))
- return stringInterning ? Boolean.TRUE : Boolean.FALSE;
- if ("gnu.xml.stream.xmlBase".equals(name))
- return baseAware ? Boolean.TRUE : Boolean.FALSE;
- if ("gnu.xml.stream.baseURI".equals(name))
- return getXMLBase();
- return null;
- }
-
- public String getText()
- {
- return buf.toString();
- }
-
- public char[] getTextCharacters()
- {
- return buf.toString().toCharArray();
- }
-
- public int getTextCharacters(int sourceStart, char[] target,
- int targetStart, int length)
- throws XMLStreamException
- {
- length = Math.min(sourceStart + buf.length(), length);
- int sourceEnd = sourceStart + length;
- buf.getChars(sourceStart, sourceEnd, target, targetStart);
- return length;
- }
-
- public int getTextLength()
- {
- return buf.length();
- }
-
- public int getTextStart()
- {
- return 0;
- }
-
- public String getVersion()
- {
- return (xmlVersion == null) ? "1.0" : xmlVersion;
- }
-
- public boolean hasName()
- {
- switch (event)
- {
- case XMLStreamConstants.START_ELEMENT:
- case XMLStreamConstants.END_ELEMENT:
- return true;
- default:
- return false;
- }
- }
-
- public boolean hasText()
- {
- switch (event)
- {
- case XMLStreamConstants.CHARACTERS:
- case XMLStreamConstants.SPACE:
- return true;
- default:
- return false;
- }
- }
-
- public boolean isAttributeSpecified(int index)
- {
- Attribute a = (Attribute) attrs.get(index);
- return a.specified;
- }
-
- public boolean isCharacters()
- {
- return (event == XMLStreamConstants.CHARACTERS);
- }
-
- public boolean isEndElement()
- {
- return (event == XMLStreamConstants.END_ELEMENT);
- }
-
- public boolean isStandalone()
- {
- return Boolean.TRUE.equals(xmlStandalone);
- }
-
- public boolean isStartElement()
- {
- return (event == XMLStreamConstants.START_ELEMENT);
- }
-
- public boolean isWhiteSpace()
- {
- return (event == XMLStreamConstants.SPACE);
- }
-
- public int nextTag()
- throws XMLStreamException
- {
- do
- {
- switch (next())
- {
- case XMLStreamConstants.START_ELEMENT:
- case XMLStreamConstants.END_ELEMENT:
- case XMLStreamConstants.CHARACTERS:
- case XMLStreamConstants.SPACE:
- case XMLStreamConstants.COMMENT:
- case XMLStreamConstants.PROCESSING_INSTRUCTION:
- break;
- default:
- throw new XMLStreamException("Unexpected event type: " + event);
- }
- }
- while (event != XMLStreamConstants.START_ELEMENT &&
- event != XMLStreamConstants.END_ELEMENT);
- return event;
- }
-
- public void require(int type, String namespaceURI, String localName)
- throws XMLStreamException
- {
- if (event != type)
- throw new XMLStreamException("Current event type is " + event);
- if (event == XMLStreamConstants.START_ELEMENT ||
- event == XMLStreamConstants.END_ELEMENT)
- {
- String ln = getLocalName();
- if (!ln.equals(localName))
- throw new XMLStreamException("Current local-name is " + ln);
- String uri = getNamespaceURI();
- if ((uri == null && namespaceURI != null) ||
- (uri != null && !uri.equals(namespaceURI)))
- throw new XMLStreamException("Current namespace URI is " + uri);
- }
- }
-
- public boolean standaloneSet()
- {
- return (xmlStandalone != null);
- }
-
- public boolean hasNext()
- throws XMLStreamException
- {
- return (event != XMLStreamConstants.END_DOCUMENT && event != -1);
- }
-
- public int next()
- throws XMLStreamException
- {
- if (event == XMLStreamConstants.END_ELEMENT)
- {
- // Pop namespace context
- if (namespaceAware && !namespaces.isEmpty())
- namespaces.removeFirst();
- // Pop base context
- if (baseAware && !bases.isEmpty())
- bases.removeFirst();
- }
- if (!startEntityStack.isEmpty())
- {
- String entityName = (String) startEntityStack.removeFirst();
- buf.setLength(0);
- buf.append(entityName);
- event = START_ENTITY;
- return extendedEventTypes ? event : next();
- }
- else if (!endEntityStack.isEmpty())
- {
- String entityName = (String) endEntityStack.removeFirst();
- buf.setLength(0);
- buf.append(entityName);
- event = END_ENTITY;
- return extendedEventTypes ? event : next();
- }
- try
- {
- if (!input.initialized)
- input.init();
- switch (state)
- {
- case CONTENT:
- if (tryRead(TEST_END_ELEMENT))
- {
- readEndElement();
- if (stack.isEmpty())
- state = MISC;
- event = XMLStreamConstants.END_ELEMENT;
- }
- else if (tryRead(TEST_COMMENT))
- {
- readComment(false);
- event = XMLStreamConstants.COMMENT;
- }
- else if (tryRead(TEST_PI))
- {
- readPI(false);
- event = XMLStreamConstants.PROCESSING_INSTRUCTION;
- }
- else if (tryRead(TEST_CDATA))
- {
- readCDSect();
- event = XMLStreamConstants.CDATA;
- }
- else if (tryRead(TEST_START_ELEMENT))
- {
- state = readStartElement();
- event = XMLStreamConstants.START_ELEMENT;
- }
- else
- {
- // Check for character reference or predefined entity
- mark(8);
- int c = readCh();
- if (c == 0x26) // '&'
- {
- c = readCh();
- if (c == 0x23) // '#'
- {
- reset();
- event = readCharData(null);
- }
- else
- {
- // entity reference
- reset();
- readCh(); // &
- readReference();
- String ref = buf.toString();
- String text = (String) PREDEFINED_ENTITIES.get(ref);
- if (text != null)
- {
- event = readCharData(text);
- }
- else if (replaceERefs && !isUnparsedEntity(ref))
- {
- // this will report a start-entity event
- boolean external = false;
- if (doctype != null)
- {
- Object entity = doctype.getEntity(ref);
- if (entity instanceof ExternalIds)
- external = true;
- }
- expandEntity(ref, false, external);
- event = next();
- }
- else
- {
- event = XMLStreamConstants.ENTITY_REFERENCE;
- }
- }
- }
- else
- {
- reset();
- event = readCharData(null);
- if (validating && doctype != null)
- validatePCData(buf.toString());
- }
- }
- break;
- case EMPTY_ELEMENT:
- String elementName = (String) stack.removeLast();
- buf.setLength(0);
- buf.append(elementName);
- state = stack.isEmpty() ? MISC : CONTENT;
- event = XMLStreamConstants.END_ELEMENT;
- if (validating && doctype != null)
- endElementValidationHook();
- break;
- case INIT: // XMLDecl?
- if (tryRead(TEST_XML_DECL))
- readXMLDecl();
- input.finalizeEncoding();
- event = XMLStreamConstants.START_DOCUMENT;
- state = PROLOG;
- break;
- case PROLOG: // Misc* (doctypedecl Misc*)?
- skipWhitespace();
- if (doctype == null && tryRead(TEST_DOCTYPE_DECL))
- {
- readDoctypeDecl();
- event = XMLStreamConstants.DTD;
- }
- else if (tryRead(TEST_COMMENT))
- {
- readComment(false);
- event = XMLStreamConstants.COMMENT;
- }
- else if (tryRead(TEST_PI))
- {
- readPI(false);
- event = XMLStreamConstants.PROCESSING_INSTRUCTION;
- }
- else if (tryRead(TEST_START_ELEMENT))
- {
- state = readStartElement();
- event = XMLStreamConstants.START_ELEMENT;
- }
- else
- {
- int c = readCh();
- error("no root element: U+" + Integer.toHexString(c));
- }
- break;
- case MISC: // Comment | PI | S
- skipWhitespace();
- if (tryRead(TEST_COMMENT))
- {
- readComment(false);
- event = XMLStreamConstants.COMMENT;
- }
- else if (tryRead(TEST_PI))
- {
- readPI(false);
- event = XMLStreamConstants.PROCESSING_INSTRUCTION;
- }
- else
- {
- if (event == XMLStreamConstants.END_DOCUMENT)
- throw new NoSuchElementException();
- int c = readCh();
- if (c != -1)
- error("Only comments and PIs may appear after " +
- "the root element");
- event = XMLStreamConstants.END_DOCUMENT;
- }
- break;
- default:
- event = -1;
- }
- return event;
- }
- catch (IOException e)
- {
- XMLStreamException e2 = new XMLStreamException();
- e2.initCause(e);
- throw e2;
- }
- }
-
- // package private
-
- /**
- * Returns the current element name.
- */
- String getCurrentElement()
- {
- return (String) stack.getLast();
- }
-
- // private
-
- private void mark(int limit)
- throws IOException
- {
- input.mark(limit);
- }
-
- private void reset()
- throws IOException
- {
- input.reset();
- }
-
- private int read()
- throws IOException
- {
- return input.read();
- }
-
- private int read(int[] b, int off, int len)
- throws IOException
- {
- return input.read(b, off, len);
- }
-
- /**
- * Parsed character read.
- */
- private int readCh()
- throws IOException, XMLStreamException
- {
- int c = read();
- if (expandPE && c == 0x25) // '%'
- {
- if (peIsError)
- error("PE reference within decl in internal subset.");
- expandPEReference();
- return readCh();
- }
- return c;
- }
-
- /**
- * Reads the next character, ensuring it is the character specified.
- * @param delim the character to match
- * @exception XMLStreamException if the next character is not the
- * specified one
- */
- private void require(char delim)
- throws IOException, XMLStreamException
- {
- mark(1);
- int c = readCh();
- if (delim != c)
- {
- reset();
- error("required character (got U+" + Integer.toHexString(c) + ")",
- new Character(delim));
- }
- }
-
- /**
- * Reads the next few characters, ensuring they match the string specified.
- * @param delim the string to match
- * @exception XMLStreamException if the next characters do not match the
- * specified string
- */
- private void require(String delim)
- throws IOException, XMLStreamException
- {
- char[] chars = delim.toCharArray();
- int len = chars.length;
- mark(len);
- int off = 0;
- do
- {
- int l2 = read(tmpBuf, off, len - off);
- if (l2 == -1)
- {
- reset();
- error("EOF before required string", delim);
- }
- off += l2;
- }
- while (off < len);
- for (int i = 0; i < chars.length; i++)
- {
- if (chars[i] != tmpBuf[i])
- {
- reset();
- error("required string", delim);
- }
- }
- }
-
- /**
- * Try to read a single character. On failure, reset the stream.
- * @param delim the character to test
- * @return true if the character matched delim, false otherwise.
- */
- private boolean tryRead(char delim)
- throws IOException, XMLStreamException
- {
- mark(1);
- int c = readCh();
- if (delim != c)
- {
- reset();
- return false;
- }
- return true;
- }
-
- /**
- * Tries to read the specified characters.
- * If successful, the stream is positioned after the last character,
- * otherwise it is reset.
- * @param test the string to test
- * @return true if the characters matched the test string, false otherwise.
- */
- private boolean tryRead(String test)
- throws IOException
- {
- char[] chars = test.toCharArray();
- int len = chars.length;
- mark(len);
- int count = 0;
- int l2 = read(tmpBuf, 0, len);
- if (l2 == -1)
- {
- reset();
- return false;
- }
- count += l2;
- // check the characters we received first before doing additional reads
- for (int i = 0; i < count; i++)
- {
- if (chars[i] != tmpBuf[i])
- {
- reset();
- return false;
- }
- }
- while (count < len)
- {
- // force read
- int c = read();
- if (c == -1)
- {
- reset();
- return false;
- }
- tmpBuf[count] = (char) c;
- // check each character as it is read
- if (chars[count] != tmpBuf[count])
- {
- reset();
- return false;
- }
- count++;
- }
- return true;
- }
-
- /**
- * Reads characters until the specified test string is encountered.
- * @param delim the string delimiting the end of the characters
- */
- private void readUntil(String delim)
- throws IOException, XMLStreamException
- {
- int startLine = input.line;
- try
- {
- while (!tryRead(delim))
- {
- int c = readCh();
- if (c == -1)
- throw new EOFException();
- else if (input.xml11)
- {
- if (!isXML11Char(c) || isXML11RestrictedChar(c))
- error("illegal XML 1.1 character",
- "U+" + Integer.toHexString(c));
- }
- else if (!isChar(c))
- error("illegal XML character",
- "U+" + Integer.toHexString(c));
- buf.append(Character.toChars(c));
- }
- }
- catch (EOFException e)
- {
- error("end of input while looking for delimiter "+
- "(started on line " + startLine + ')', delim);
- }
- }
-
- /**
- * Reads any whitespace characters.
- * @return true if whitespace characters were read, false otherwise
- */
- private boolean tryWhitespace()
- throws IOException, XMLStreamException
- {
- boolean white;
- boolean ret = false;
- do
- {
- mark(1);
- int c = readCh();
- while (c == -1 && inputStack.size() > 1)
- {
- popInput();
- c = readCh();
- }
- white = (c == 0x20 || c == 0x09 || c == 0x0a || c == 0x0d);
- if (white)
- ret = true;
- }
- while (white);
- reset();
- return ret;
- }
-
- /**
- * Skip over any whitespace characters.
- */
- private void skipWhitespace()
- throws IOException, XMLStreamException
- {
- boolean white;
- do
- {
- mark(1);
- int c = readCh();
- while (c == -1 && inputStack.size() > 1)
- {
- popInput();
- c = readCh();
- }
- white = (c == 0x20 || c == 0x09 || c == 0x0a || c == 0x0d);
- }
- while (white);
- reset();
- }
-
- /**
- * Try to read as many whitespace characters as are available.
- * @exception XMLStreamException if no whitespace characters were seen
- */
- private void requireWhitespace()
- throws IOException, XMLStreamException
- {
- if (!tryWhitespace())
- error("whitespace required");
- }
-
- /**
- * Returns the current base URI for resolving external entities.
- */
- String getXMLBase()
- {
- if (baseAware)
- {
- for (Iterator i = bases.iterator(); i.hasNext(); )
- {
- String base = (String) i.next();
- if (base != null)
- return base;
- }
- }
- return input.systemId;
- }
-
- /**
- * Push the specified text input source.
- */
- private void pushInput(String name, String text, boolean report,
- boolean normalize)
- throws IOException, XMLStreamException
- {
- // Check for recursion
- if (name != null && !"".equals(name))
- {
- for (Iterator i = inputStack.iterator(); i.hasNext(); )
- {
- Input ctx = (Input) i.next();
- if (name.equals(ctx.name))
- error("entities may not be self-recursive", name);
- }
- }
- else
- report = false;
- pushInput(new Input(null, new StringReader(text), input.publicId,
- input.systemId, name, input.inputEncoding, report,
- normalize));
- }
-
- /**
- * Push the specified external input source.
- */
- private void pushInput(String name, ExternalIds ids, boolean report,
- boolean normalize)
- throws IOException, XMLStreamException
- {
- if (!externalEntities)
- return;
- String url = canonicalize(absolutize(input.systemId, ids.systemId));
- // Check for recursion
- for (Iterator i = inputStack.iterator(); i.hasNext(); )
- {
- Input ctx = (Input) i.next();
- if (url.equals(ctx.systemId))
- error("entities may not be self-recursive", url);
- if (name != null && !"".equals(name) && name.equals(ctx.name))
- error("entities may not be self-recursive", name);
- }
- if (name == null || "".equals(name))
- report = false;
- InputStream in = null;
- if (resolver != null)
- {
- Object obj = resolver.resolveEntity(ids.publicId, url, getXMLBase(),
- null);
- if (obj instanceof InputStream)
- in = (InputStream) obj;
- }
- if (in == null)
- in = resolve(url);
- if (in == null)
- error("unable to resolve external entity",
- (ids.systemId != null) ? ids.systemId : ids.publicId);
- pushInput(new Input(in, null, ids.publicId, url, name, null, report,
- normalize));
- input.init();
- if (tryRead(TEST_XML_DECL))
- readTextDecl();
- input.finalizeEncoding();
- }
-
- /**
- * Push the specified input source (general entity) onto the input stack.
- */
- private void pushInput(Input input)
- {
- if (input.report)
- startEntityStack.addFirst(input.name);
- inputStack.addLast(input);
- if (this.input != null)
- input.xml11 = this.input.xml11;
- this.input = input;
- }
-
- /**
- * Returns a canonicalized version of the specified URL.
- * This is largely to work around a problem with the specification of
- * file URLs.
- */
- static String canonicalize(String url)
- {
- if (url == null)
- return null;
- if (url.startsWith("file:") && !url.startsWith("file://"))
- url = "file://" + url.substring(5);
- return url;
- }
-
- /**
- * "Absolutize" a URL. This resolves a relative URL into an absolute one.
- * @param base the current base URL
- * @param href the (absolute or relative) URL to resolve
- */
- public static String absolutize(String base, String href)
- {
- if (href == null)
- return null;
- int ci = href.indexOf(':');
- if (ci > 1 && isURLScheme(href.substring(0, ci)))
- {
- // href is absolute already
- return href;
- }
- if (base == null)
- base = "";
- else
- {
- int i = base.lastIndexOf('/');
- if (i != -1)
- base = base.substring(0, i + 1);
- else
- base = "";
- }
- if ("".equals(base))
- {
- // assume file URL relative to current directory
- base = System.getProperty("user.dir");
- if (base.charAt(0) == '/')
- base = base.substring(1);
- base = "file:///" + base.replace(File.separatorChar, '/');
- if (!base.endsWith("/"))
- base += "/";
- }
- // We can't use java.net.URL here to do the parsing, as it searches for
- // a protocol handler. A protocol handler may not be registered for the
- // URL scheme here. Do it manually.
- //
- // Set aside scheme and host portion of base URL
- String basePrefix = null;
- ci = base.indexOf(':');
- if (ci > 1 && isURLScheme(base.substring(0, ci)))
- {
- if (base.length() > (ci + 3) &&
- base.charAt(ci + 1) == '/' &&
- base.charAt(ci + 2) == '/')
- {
- int si = base.indexOf('/', ci + 3);
- if (si == -1)
- base = null;
- else
- {
- basePrefix = base.substring(0, si);
- base = base.substring(si);
- }
- }
- else
- base = null;
- }
- if (base == null) // unknown or malformed base URL, use href
- return href;
- if (href.startsWith("/")) // absolute href pathname
- return (basePrefix == null) ? href : basePrefix + href;
- // relative href pathname
- if (!base.endsWith("/"))
- {
- int lsi = base.lastIndexOf('/');
- if (lsi == -1)
- base = "/";
- else
- base = base.substring(0, lsi + 1);
- }
- while (href.startsWith("../") || href.startsWith("./"))
- {
- if (href.startsWith("../"))
- {
- // strip last path component from base
- int lsi = base.lastIndexOf('/', base.length() - 2);
- if (lsi > -1)
- base = base.substring(0, lsi + 1);
- href = href.substring(3); // strip ../ prefix
- }
- else
- {
- href = href.substring(2); // strip ./ prefix
- }
- }
- return (basePrefix == null) ? base + href : basePrefix + base + href;
- }
-
- /**
- * Indicates whether the specified characters match the scheme portion of
- * a URL.
- * @see RFC 1738 section 2.1
- */
- private static boolean isURLScheme(String text)
- {
- int len = text.length();
- for (int i = 0; i < len; i++)
- {
- char c = text.charAt(i);
- if (c == '+' || c == '.' || c == '-')
- continue;
- if (c < 65 || (c > 90 && c < 97) || c > 122)
- return false;
- }
- return true;
- }
-
- /**
- * Returns an input stream for the given URL.
- */
- static InputStream resolve(String url)
- throws IOException
- {
- try
- {
- return new URL(url).openStream();
- }
- catch (MalformedURLException e)
- {
- return null;
- }
- catch (IOException e)
- {
- IOException e2 = new IOException("error resolving " + url);
- e2.initCause(e);
- throw e2;
- }
- }
-
- /**
- * Pops the current input source (general entity) off the stack.
- */
- private void popInput()
- {
- Input old = (Input) inputStack.removeLast();
- if (old.report)
- endEntityStack.addFirst(old.name);
- input = (Input) inputStack.getLast();
- }
-
- /**
- * Parse an entity text declaration.
- */
- private void readTextDecl()
- throws IOException, XMLStreamException
- {
- final int flags = LIT_DISABLE_CREF | LIT_DISABLE_PE | LIT_DISABLE_EREF;
- requireWhitespace();
- if (tryRead("version"))
- {
- readEq();
- String v = readLiteral(flags, false);
- if ("1.0".equals(v))
- input.xml11 = false;
- else if ("1.1".equals(v))
- {
- Input i1 = (Input) inputStack.getFirst();
- if (!i1.xml11)
- error("external entity specifies later version number");
- input.xml11 = true;
- }
- else
- throw new XMLStreamException("illegal XML version: " + v);
- requireWhitespace();
- }
- require("encoding");
- readEq();
- String enc = readLiteral(flags, false);
- skipWhitespace();
- require("?>");
- input.setInputEncoding(enc);
- }
-
- /**
- * Parse the XML declaration.
- */
- private void readXMLDecl()
- throws IOException, XMLStreamException
- {
- final int flags = LIT_DISABLE_CREF | LIT_DISABLE_PE | LIT_DISABLE_EREF;
-
- requireWhitespace();
- require("version");
- readEq();
- xmlVersion = readLiteral(flags, false);
- if ("1.0".equals(xmlVersion))
- input.xml11 = false;
- else if ("1.1".equals(xmlVersion))
- input.xml11 = true;
- else
- throw new XMLStreamException("illegal XML version: " + xmlVersion);
-
- boolean white = tryWhitespace();
-
- if (tryRead("encoding"))
- {
- if (!white)
- error("whitespace required before 'encoding='");
- readEq();
- xmlEncoding = readLiteral(flags, false);
- white = tryWhitespace();
- }
-
- if (tryRead("standalone"))
- {
- if (!white)
- error("whitespace required before 'standalone='");
- readEq();
- String standalone = readLiteral(flags, false);
- if ("yes".equals(standalone))
- xmlStandalone = Boolean.TRUE;
- else if ("no".equals(standalone))
- xmlStandalone = Boolean.FALSE;
- else
- error("standalone flag must be 'yes' or 'no'", standalone);
- }
-
- skipWhitespace();
- require("?>");
- if (xmlEncoding != null)
- input.setInputEncoding(xmlEncoding);
- }
-
- /**
- * Parse the DOCTYPE declaration.
- */
- private void readDoctypeDecl()
- throws IOException, XMLStreamException
- {
- if (!supportDTD)
- error("parser was configured not to support DTDs");
- requireWhitespace();
- String rootName = readNmtoken(true);
- skipWhitespace();
- ExternalIds ids = readExternalIds(false, true);
- doctype =
- this.new Doctype(rootName, ids.publicId, ids.systemId);
-
- // Parse internal subset first
- skipWhitespace();
- if (tryRead('['))
- {
- while (true)
- {
- expandPE = true;
- skipWhitespace();
- expandPE = false;
- if (tryRead(']'))
- break;
- else
- readMarkupdecl(false);
- }
- }
- skipWhitespace();
- require('>');
-
- // Parse external subset
- if (ids.systemId != null && externalEntities)
- {
- pushInput("", ">", false, false);
- pushInput("[dtd]", ids, true, true);
- // loop until we get back to ">"
- while (true)
- {
- expandPE = true;
- skipWhitespace();
- expandPE = false;
- mark(1);
- int c = readCh();
- if (c == 0x3e) // '>'
- break;
- else if (c == -1)
- popInput();
- else
- {
- reset();
- expandPE = true;
- readMarkupdecl(true);
- expandPE = true;
- }
- }
- if (inputStack.size() != 2)
- error("external subset has unmatched '>'");
- popInput();
- }
- checkDoctype();
- if (validating)
- validateDoctype();
-
- // Make rootName available for reading
- buf.setLength(0);
- buf.append(rootName);
- }
-
- /**
- * Checks the well-formedness of the DTD.
- */
- private void checkDoctype()
- throws XMLStreamException
- {
- // TODO check entity recursion
- }
-
- /**
- * Parse the markupdecl production.
- */
- private void readMarkupdecl(boolean inExternalSubset)
- throws IOException, XMLStreamException
- {
- boolean saved = expandPE;
- mark(1);
- require('<');
- reset();
- expandPE = false;
- if (tryRead(TEST_ELEMENT_DECL))
- {
- expandPE = saved;
- readElementDecl();
- }
- else if (tryRead(TEST_ATTLIST_DECL))
- {
- expandPE = saved;
- readAttlistDecl();
- }
- else if (tryRead(TEST_ENTITY_DECL))
- {
- expandPE = saved;
- readEntityDecl(inExternalSubset);
- }
- else if (tryRead(TEST_NOTATION_DECL))
- {
- expandPE = saved;
- readNotationDecl(inExternalSubset);
- }
- else if (tryRead(TEST_PI))
- {
- readPI(true);
- expandPE = saved;
- }
- else if (tryRead(TEST_COMMENT))
- {
- readComment(true);
- expandPE = saved;
- }
- else if (tryRead("<!["))
- {
- // conditional section
- expandPE = saved;
- if (inputStack.size() < 2)
- error("conditional sections illegal in internal subset");
- skipWhitespace();
- if (tryRead("INCLUDE"))
- {
- skipWhitespace();
- require('[');
- skipWhitespace();
- while (!tryRead("]]>"))
- {
- readMarkupdecl(inExternalSubset);
- skipWhitespace();
- }
- }
- else if (tryRead("IGNORE"))
- {
- skipWhitespace();
- require('[');
- expandPE = false;
- for (int nesting = 1; nesting > 0; )
- {
- int c = readCh();
- switch (c)
- {
- case 0x3c: // '<'
- if (tryRead("!["))
- nesting++;
- break;
- case 0x5d: // ']'
- if (tryRead("]>"))
- nesting--;
- break;
- case -1:
- throw new EOFException();
- }
- }
- expandPE = saved;
- }
- else
- error("conditional section must begin with INCLUDE or IGNORE");
- }
- else
- error("expected markup declaration");
- }
-
- /**
- * Parse the elementdecl production.
- */
- private void readElementDecl()
- throws IOException, XMLStreamException
- {
- requireWhitespace();
- boolean saved = expandPE;
- expandPE = (inputStack.size() > 1);
- String name = readNmtoken(true);
- expandPE = saved;
- requireWhitespace();
- readContentspec(name);
- skipWhitespace();
- require('>');
- }
-
- /**
- * Parse the contentspec production.
- */
- private void readContentspec(String elementName)
- throws IOException, XMLStreamException
- {
- if (tryRead("EMPTY"))
- doctype.addElementDecl(elementName, "EMPTY", new EmptyContentModel());
- else if (tryRead("ANY"))
- doctype.addElementDecl(elementName, "ANY", new AnyContentModel());
- else
- {
- ContentModel model;
- CPStringBuilder acc = new CPStringBuilder();
- require('(');
- acc.append('(');
- skipWhitespace();
- if (tryRead("#PCDATA"))
- {
- // mixed content
- acc.append("#PCDATA");
- MixedContentModel mm = new MixedContentModel();
- model = mm;
- skipWhitespace();
- if (tryRead(')'))
- {
- acc.append(")");
- if (tryRead('*'))
- {
- mm.min = 0;
- mm.max = -1;
- }
- }
- else
- {
- while (!tryRead(")"))
- {
- require('|');
- acc.append('|');
- skipWhitespace();
- String name = readNmtoken(true);
- acc.append(name);
- mm.addName(name);
- skipWhitespace();
- }
- require('*');
- acc.append(")*");
- mm.min = 0;
- mm.max = -1;
- }
- }
- else
- model = readElements(acc);
- doctype.addElementDecl(elementName, acc.toString(), model);
- }
- }
-
- /**
- * Parses an element content model.
- */
- private ElementContentModel readElements(CPStringBuilder acc)
- throws IOException, XMLStreamException
- {
- int separator;
- ElementContentModel model = new ElementContentModel();
-
- // Parse first content particle
- skipWhitespace();
- model.addContentParticle(readContentParticle(acc));
- // End or separator
- skipWhitespace();
- int c = readCh();
- switch (c)
- {
- case 0x29: // ')'
- acc.append(')');
- mark(1);
- c = readCh();
- switch (c)
- {
- case 0x3f: // '?'
- acc.append('?');
- model.min = 0;
- model.max = 1;
- break;
- case 0x2a: // '*'
- acc.append('*');
- model.min = 0;
- model.max = -1;
- break;
- case 0x2b: // '+'
- acc.append('+');
- model.min = 1;
- model.max = -1;
- break;
- default:
- reset();
- }
- return model; // done
- case 0x7c: // '|'
- model.or = true;
- // fall through
- case 0x2c: // ','
- separator = c;
- acc.append(Character.toChars(c));
- break;
- default:
- error("bad separator in content model",
- "U+" + Integer.toHexString(c));
- return model;
- }
- // Parse subsequent content particles
- while (true)
- {
- skipWhitespace();
- model.addContentParticle(readContentParticle(acc));
- skipWhitespace();
- c = readCh();
- if (c == 0x29) // ')'
- {
- acc.append(')');
- break;
- }
- else if (c != separator)
- {
- error("bad separator in content model",
- "U+" + Integer.toHexString(c));
- return model;
- }
- else
- acc.append(c);
- }
- // Check for occurrence indicator
- mark(1);
- c = readCh();
- switch (c)
- {
- case 0x3f: // '?'
- acc.append('?');
- model.min = 0;
- model.max = 1;
- break;
- case 0x2a: // '*'
- acc.append('*');
- model.min = 0;
- model.max = -1;
- break;
- case 0x2b: // '+'
- acc.append('+');
- model.min = 1;
- model.max = -1;
- break;
- default:
- reset();
- }
- return model;
- }
-
- /**
- * Parse a cp production.
- */
- private ContentParticle readContentParticle(CPStringBuilder acc)
- throws IOException, XMLStreamException
- {
- ContentParticle cp = new ContentParticle();
- if (tryRead('('))
- {
- acc.append('(');
- cp.content = readElements(acc);
- }
- else
- {
- String name = readNmtoken(true);
- acc.append(name);
- cp.content = name;
- mark(1);
- int c = readCh();
- switch (c)
- {
- case 0x3f: // '?'
- acc.append('?');
- cp.min = 0;
- cp.max = 1;
- break;
- case 0x2a: // '*'
- acc.append('*');
- cp.min = 0;
- cp.max = -1;
- break;
- case 0x2b: // '+'
- acc.append('+');
- cp.min = 1;
- cp.max = -1;
- break;
- default:
- reset();
- }
- }
- return cp;
- }
-
- /**
- * Parse an attribute-list definition.
- */
- private void readAttlistDecl()
- throws IOException, XMLStreamException
- {
- requireWhitespace();
- boolean saved = expandPE;
- expandPE = (inputStack.size() > 1);
- String elementName = readNmtoken(true);
- expandPE = saved;
- boolean white = tryWhitespace();
- while (!tryRead('>'))
- {
- if (!white)
- error("whitespace required before attribute definition");
- readAttDef(elementName);
- white = tryWhitespace();
- }
- }
-
- /**
- * Parse a single attribute definition.
- */
- private void readAttDef(String elementName)
- throws IOException, XMLStreamException
- {
- String name = readNmtoken(true);
- requireWhitespace();
- CPStringBuilder acc = new CPStringBuilder();
- HashSet values = new HashSet();
- String type = readAttType(acc, values);
- if (validating)
- {
- if ("ID".equals(type))
- {
- // VC: One ID per Element Type
- for (Iterator i = doctype.attlistIterator(elementName);
- i.hasNext(); )
- {
- Map.Entry entry = (Map.Entry) i.next();
- AttributeDecl decl = (AttributeDecl) entry.getValue();
- if ("ID".equals(decl.type))
- error("element types must not have more than one ID " +
- "attribute");
- }
- }
- else if ("NOTATION".equals(type))
- {
- // VC: One Notation Per Element Type
- for (Iterator i = doctype.attlistIterator(elementName);
- i.hasNext(); )
- {
- Map.Entry entry = (Map.Entry) i.next();
- AttributeDecl decl = (AttributeDecl) entry.getValue();
- if ("NOTATION".equals(decl.type))
- error("element types must not have more than one NOTATION " +
- "attribute");
- }
- // VC: No Notation on Empty Element
- ContentModel model = doctype.getElementModel(elementName);
- if (model != null && model.type == ContentModel.EMPTY)
- error("attributes of type NOTATION must not be declared on an " +
- "element declared EMPTY");
- }
- }
- String enumer = null;
- if ("ENUMERATION".equals(type) || "NOTATION".equals(type))
- enumer = acc.toString();
- else
- values = null;
- requireWhitespace();
- readDefault(elementName, name, type, enumer, values);
- }
-
- /**
- * Parse an attribute type.
- */
- private String readAttType(CPStringBuilder acc, HashSet values)
- throws IOException, XMLStreamException
- {
- if (tryRead('('))
- {
- readEnumeration(false, acc, values);
- return "ENUMERATION";
- }
- else
- {
- String typeString = readNmtoken(true);
- if ("NOTATION".equals(typeString))
- {
- readNotationType(acc, values);
- return typeString;
- }
- else if ("CDATA".equals(typeString) ||
- "ID".equals(typeString) ||
- "IDREF".equals(typeString) ||
- "IDREFS".equals(typeString) ||
- "ENTITY".equals(typeString) ||
- "ENTITIES".equals(typeString) ||
- "NMTOKEN".equals(typeString) ||
- "NMTOKENS".equals(typeString))
- return typeString;
- else
- {
- error("illegal attribute type", typeString);
- return null;
- }
- }
- }
-
- /**
- * Parse an enumeration.
- */
- private void readEnumeration(boolean isNames, CPStringBuilder acc,
- HashSet values)
- throws IOException, XMLStreamException
- {
- acc.append('(');
- // first token
- skipWhitespace();
- String token = readNmtoken(isNames);
- acc.append(token);
- values.add(token);
- // subsequent tokens
- skipWhitespace();
- while (!tryRead(')'))
- {
- require('|');
- acc.append('|');
- skipWhitespace();
- token = readNmtoken(isNames);
- // VC: No Duplicate Tokens
- if (validating && values.contains(token))
- error("duplicate token", token);
- acc.append(token);
- values.add(token);
- skipWhitespace();
- }
- acc.append(')');
- }
-
- /**
- * Parse a notation type for an attribute.
- */
- private void readNotationType(CPStringBuilder acc, HashSet values)
- throws IOException, XMLStreamException
- {
- requireWhitespace();
- require('(');
- readEnumeration(true, acc, values);
- }
-
- /**
- * Parse the default value for an attribute.
- */
- private void readDefault(String elementName, String name,
- String type, String enumeration, HashSet values)
- throws IOException, XMLStreamException
- {
- int valueType = ATTRIBUTE_DEFAULT_SPECIFIED;
- int flags = LIT_ATTRIBUTE;
- String value = null, defaultType = null;
- boolean saved = expandPE;
-
- if (!"CDATA".equals(type))
- flags |= LIT_NORMALIZE;
-
- expandPE = false;
- if (tryRead('#'))
- {
- if (tryRead("FIXED"))
- {
- defaultType = "#FIXED";
- valueType = ATTRIBUTE_DEFAULT_FIXED;
- requireWhitespace();
- value = readLiteral(flags, false);
- }
- else if (tryRead("REQUIRED"))
- {
- defaultType = "#REQUIRED";
- valueType = ATTRIBUTE_DEFAULT_REQUIRED;
- }
- else if (tryRead("IMPLIED"))
- {
- defaultType = "#IMPLIED";
- valueType = ATTRIBUTE_DEFAULT_IMPLIED;
- }
- else
- error("illegal keyword for attribute default value");
- }
- else
- value = readLiteral(flags, false);
- expandPE = saved;
- if (validating)
- {
- if ("ID".equals(type))
- {
- // VC: Attribute Default Value Syntactically Correct
- if (value != null && !isNmtoken(value, true))
- error("default value must match Name production", value);
- // VC: ID Attribute Default
- if (valueType != ATTRIBUTE_DEFAULT_REQUIRED &&
- valueType != ATTRIBUTE_DEFAULT_IMPLIED)
- error("ID attributes must have a declared default of " +
- "#IMPLIED or #REQUIRED");
- }
- else if (value != null)
- {
- // VC: Attribute Default Value Syntactically Correct
- if ("IDREF".equals(type) || "ENTITY".equals(type))
- {
- if (!isNmtoken(value, true))
- error("default value must match Name production", value);
- }
- else if ("IDREFS".equals(type) || "ENTITIES".equals(type))
- {
- StringTokenizer st = new StringTokenizer(value);
- while (st.hasMoreTokens())
- {
- String token = st.nextToken();
- if (!isNmtoken(token, true))
- error("default value must match Name production", token);
- }
- }
- else if ("NMTOKEN".equals(type) || "ENUMERATION".equals(type))
- {
- if (!isNmtoken(value, false))
- error("default value must match Nmtoken production", value);
- }
- else if ("NMTOKENS".equals(type))
- {
- StringTokenizer st = new StringTokenizer(value);
- while (st.hasMoreTokens())
- {
- String token = st.nextToken();
- if (!isNmtoken(token, false))
- error("default value must match Nmtoken production",
- token);
- }
- }
- }
- }
- // Register attribute def
- AttributeDecl attribute =
- new AttributeDecl(type, value, valueType, enumeration, values,
- inputStack.size() != 1);
- doctype.addAttributeDecl(elementName, name, attribute);
- }
-
- /**
- * Parse the EntityDecl production.
- */
- private void readEntityDecl(boolean inExternalSubset)
- throws IOException, XMLStreamException
- {
- int flags = 0;
- // Check if parameter entity
- boolean peFlag = false;
- expandPE = false;
- requireWhitespace();
- if (tryRead('%'))
- {
- peFlag = true;
- requireWhitespace();
- }
- expandPE = true;
- // Read entity name
- String name = readNmtoken(true);
- if (name.indexOf(':') != -1)
- error("illegal character ':' in entity name", name);
- if (peFlag)
- name = "%" + name;
- requireWhitespace();
- mark(1);
- int c = readCh();
- reset();
- if (c == 0x22 || c == 0x27) // " | '
- {
- // Internal entity replacement text
- String value = readLiteral(flags | LIT_DISABLE_EREF, true);
- int ai = value.indexOf('&');
- while (ai != -1)
- {
- int sci = value.indexOf(';', ai);
- if (sci == -1)
- error("malformed reference in entity value", value);
- String ref = value.substring(ai + 1, sci);
- int[] cp = UnicodeReader.toCodePointArray(ref);
- if (cp.length == 0)
- error("malformed reference in entity value", value);
- if (cp[0] == 0x23) // #
- {
- if (cp.length == 1)
- error("malformed reference in entity value", value);
- if (cp[1] == 0x78) // 'x'
- {
- if (cp.length == 2)
- error("malformed reference in entity value", value);
- for (int i = 2; i < cp.length; i++)
- {
- int x = cp[i];
- if (x < 0x30 ||
- (x > 0x39 && x < 0x41) ||
- (x > 0x46 && x < 0x61) ||
- x > 0x66)
- error("malformed character reference in entity value",
- value);
- }
- }
- else
- {
- for (int i = 1; i < cp.length; i++)
- {
- int x = cp[i];
- if (x < 0x30 || x > 0x39)
- error("malformed character reference in entity value",
- value);
- }
- }
- }
- else
- {
- if (!isNameStartCharacter(cp[0], input.xml11))
- error("malformed reference in entity value", value);
- for (int i = 1; i < cp.length; i++)
- {
- if (!isNameCharacter(cp[i], input.xml11))
- error("malformed reference in entity value", value);
- }
- }
- ai = value.indexOf('&', sci);
- }
- doctype.addEntityDecl(name, value, inExternalSubset);
- }
- else
- {
- ExternalIds ids = readExternalIds(false, false);
- // Check for NDATA
- boolean white = tryWhitespace();
- if (!peFlag && tryRead("NDATA"))
- {
- if (!white)
- error("whitespace required before NDATA");
- requireWhitespace();
- ids.notationName = readNmtoken(true);
- }
- doctype.addEntityDecl(name, ids, inExternalSubset);
- }
- // finish
- skipWhitespace();
- require('>');
- }
-
- /**
- * Parse the NotationDecl production.
- */
- private void readNotationDecl(boolean inExternalSubset)
- throws IOException, XMLStreamException
- {
- requireWhitespace();
- String notationName = readNmtoken(true);
- if (notationName.indexOf(':') != -1)
- error("illegal character ':' in notation name", notationName);
- if (validating)
- {
- // VC: Unique Notation Name
- ExternalIds notation = doctype.getNotation(notationName);
- if (notation != null)
- error("duplicate notation name", notationName);
- }
- requireWhitespace();
- ExternalIds ids = readExternalIds(true, false);
- ids.notationName = notationName;
- doctype.addNotationDecl(notationName, ids, inExternalSubset);
- skipWhitespace();
- require('>');
- }
-
- /**
- * Returns a tuple {publicId, systemId}.
- */
- private ExternalIds readExternalIds(boolean inNotation, boolean isSubset)
- throws IOException, XMLStreamException
- {
- int c;
- int flags = LIT_DISABLE_CREF | LIT_DISABLE_PE | LIT_DISABLE_EREF;
- ExternalIds ids = new ExternalIds();
-
- if (tryRead("PUBLIC"))
- {
- requireWhitespace();
- ids.publicId = readLiteral(LIT_NORMALIZE | LIT_PUBID | flags, false);
- if (inNotation)
- {
- skipWhitespace();
- mark(1);
- c = readCh();
- reset();
- if (c == 0x22 || c == 0x27) // " | '
- {
- String href = readLiteral(flags, false);
- ids.systemId = absolutize(input.systemId, href);
- }
- }
- else
- {
- requireWhitespace();
- String href = readLiteral(flags, false);
- ids.systemId = absolutize(input.systemId, href);
- }
- // Check valid URI characters
- for (int i = 0; i < ids.publicId.length(); i++)
- {
- char d = ids.publicId.charAt(i);
- if (d >= 'a' && d <= 'z')
- continue;
- if (d >= 'A' && d <= 'Z')
- continue;
- if (" \r\n0123456789-' ()+,./:=?;!*#@$_%".indexOf(d) != -1)
- continue;
- error("illegal PUBLIC id character",
- "U+" + Integer.toHexString(d));
- }
- }
- else if (tryRead("SYSTEM"))
- {
- requireWhitespace();
- String href = readLiteral(flags, false);
- ids.systemId = absolutize(input.systemId, href);
- }
- else if (!isSubset)
- {
- error("missing SYSTEM or PUBLIC keyword");
- }
- if (ids.systemId != null && !inNotation)
- {
- if (ids.systemId.indexOf('#') != -1)
- error("SYSTEM id has a URI fragment", ids.systemId);
- }
- return ids;
- }
-
- /**
- * Parse the start of an element.
- * @return the state of the parser afterwards (EMPTY_ELEMENT or CONTENT)
- */
- private int readStartElement()
- throws IOException, XMLStreamException
- {
- // Read element name
- String elementName = readNmtoken(true);
- attrs.clear();
- // Push namespace context
- if (namespaceAware)
- {
- if (elementName.charAt(0) == ':' ||
- elementName.charAt(elementName.length() - 1) == ':')
- error("not a QName", elementName);
- namespaces.addFirst(new LinkedHashMap());
- }
- // Read element content
- boolean white = tryWhitespace();
- mark(1);
- int c = readCh();
- while (c != 0x2f && c != 0x3e) // '/' | '>'
- {
- // Read attribute
- reset();
- if (!white)
- error("need whitespace between attributes");
- readAttribute(elementName);
- white = tryWhitespace();
- mark(1);
- c = readCh();
- }
- // supply defaulted attributes
- if (doctype != null)
- {
- for (Iterator i = doctype.attlistIterator(elementName); i.hasNext(); )
- {
- Map.Entry entry = (Map.Entry) i.next();
- String attName = (String) entry.getKey();
- AttributeDecl decl = (AttributeDecl) entry.getValue();
- if (validating)
- {
- switch (decl.valueType)
- {
- case ATTRIBUTE_DEFAULT_REQUIRED:
- // VC: Required Attribute
- if (decl.value == null && !attributeSpecified(attName))
- error("value for " + attName + " attribute is required");
- break;
- case ATTRIBUTE_DEFAULT_FIXED:
- // VC: Fixed Attribute Default
- for (Iterator j = attrs.iterator(); j.hasNext(); )
- {
- Attribute a = (Attribute) j.next();
- if (attName.equals(a.name) &&
- !decl.value.equals(a.value))
- error("value for " + attName + " attribute must be " +
- decl.value);
- }
- break;
- }
- }
- if (namespaceAware && attName.equals("xmlns"))
- {
- LinkedHashMap ctx =
- (LinkedHashMap) namespaces.getFirst();
- if (ctx.containsKey(XMLConstants.DEFAULT_NS_PREFIX))
- continue; // namespace was specified
- }
- else if (namespaceAware && attName.startsWith("xmlns:"))
- {
- LinkedHashMap ctx =
- (LinkedHashMap) namespaces.getFirst();
- if (ctx.containsKey(attName.substring(6)))
- continue; // namespace was specified
- }
- else if (attributeSpecified(attName))
- continue;
- if (decl.value == null)
- continue;
- // VC: Standalone Document Declaration
- if (validating && decl.external && xmlStandalone == Boolean.TRUE)
- error("standalone must be 'no' if attributes inherit values " +
- "from externally declared markup declarations");
- Attribute attr =
- new Attribute(attName, decl.type, false, decl.value);
- if (namespaceAware)
- {
- if (!addNamespace(attr))
- attrs.add(attr);
- }
- else
- attrs.add(attr);
- }
- }
- if (baseAware)
- {
- String uri = getAttributeValue(XMLConstants.XML_NS_URI, "base");
- String base = getXMLBase();
- bases.addFirst(absolutize(base, uri));
- }
- if (namespaceAware)
- {
- // check prefix bindings
- int ci = elementName.indexOf(':');
- if (ci != -1)
- {
- String prefix = elementName.substring(0, ci);
- String uri = getNamespaceURI(prefix);
- if (uri == null)
- error("unbound element prefix", prefix);
- else if (input.xml11 && "".equals(uri))
- error("XML 1.1 unbound element prefix", prefix);
- }
- for (Iterator i = attrs.iterator(); i.hasNext(); )
- {
- Attribute attr = (Attribute) i.next();
- if (attr.prefix != null &&
- !XMLConstants.XMLNS_ATTRIBUTE.equals(attr.prefix))
- {
- String uri = getNamespaceURI(attr.prefix);
- if (uri == null)
- error("unbound attribute prefix", attr.prefix);
- else if (input.xml11 && "".equals(uri))
- error("XML 1.1 unbound attribute prefix", attr.prefix);
- }
- }
- }
- if (validating && doctype != null)
- {
- validateStartElement(elementName);
- currentContentModel = doctype.getElementModel(elementName);
- if (currentContentModel == null)
- error("no element declaration", elementName);
- validationStack.add(new LinkedList());
- }
- // make element name available for read
- buf.setLength(0);
- buf.append(elementName);
- // push element onto stack
- stack.addLast(elementName);
- switch (c)
- {
- case 0x3e: // '>'
- return CONTENT;
- case 0x2f: // '/'
- require('>');
- return EMPTY_ELEMENT;
- }
- return -1; // to satisfy compiler
- }
-
- /**
- * Indicates whether the specified attribute name was specified for the
- * current element.
- */
- private boolean attributeSpecified(String attName)
- {
- for (Iterator j = attrs.iterator(); j.hasNext(); )
- {
- Attribute a = (Attribute) j.next();
- if (attName.equals(a.name))
- return true;
- }
- return false;
- }
-
- /**
- * Parse an attribute.
- */
- private void readAttribute(String elementName)
- throws IOException, XMLStreamException
- {
- // Read attribute name
- String attributeName = readNmtoken(true);
- String type = getAttributeType(elementName, attributeName);
- readEq();
- // Read literal
- final int flags = LIT_ATTRIBUTE | LIT_ENTITY_REF;
- String value = (type == null || "CDATA".equals(type)) ?
- readLiteral(flags, false) : readLiteral(flags | LIT_NORMALIZE, false);
- // add attribute event
- Attribute attr = this.new Attribute(attributeName, type, true, value);
- if (namespaceAware)
- {
- if (attributeName.charAt(0) == ':' ||
- attributeName.charAt(attributeName.length() - 1) == ':')
- error("not a QName", attributeName);
- else if (attributeName.equals("xmlns"))
- {
- LinkedHashMap ctx = (LinkedHashMap) namespaces.getFirst();
- if (ctx.containsKey(XMLConstants.DEFAULT_NS_PREFIX))
- error("duplicate default namespace");
- }
- else if (attributeName.startsWith("xmlns:"))
- {
- LinkedHashMap ctx = (LinkedHashMap) namespaces.getFirst();
- if (ctx.containsKey(attributeName.substring(6)))
- error("duplicate namespace", attributeName.substring(6));
- }
- else if (attrs.contains(attr))
- error("duplicate attribute", attributeName);
- }
- else if (attrs.contains(attr))
- error("duplicate attribute", attributeName);
- if (validating && doctype != null)
- {
- // VC: Attribute Value Type
- AttributeDecl decl =
- doctype.getAttributeDecl(elementName, attributeName);
- if (decl == null)
- error("attribute must be declared", attributeName);
- if ("ENUMERATION".equals(decl.type))
- {
- // VC: Enumeration
- if (!decl.values.contains(value))
- error("value does not match enumeration " + decl.enumeration,
- value);
- }
- else if ("ID".equals(decl.type))
- {
- // VC: ID
- if (!isNmtoken(value, true))
- error("ID values must match the Name production");
- if (ids.contains(value))
- error("Duplicate ID", value);
- ids.add(value);
- }
- else if ("IDREF".equals(decl.type) || "IDREFS".equals(decl.type))
- {
- StringTokenizer st = new StringTokenizer(value);
- while (st.hasMoreTokens())
- {
- String token = st.nextToken();
- // VC: IDREF
- if (!isNmtoken(token, true))
- error("IDREF values must match the Name production");
- idrefs.add(token);
- }
- }
- else if ("NMTOKEN".equals(decl.type) || "NMTOKENS".equals(decl.type))
- {
- StringTokenizer st = new StringTokenizer(value);
- while (st.hasMoreTokens())
- {
- String token = st.nextToken();
- // VC: Name Token
- if (!isNmtoken(token, false))
- error("NMTOKEN values must match the Nmtoken production");
- }
- }
- else if ("ENTITY".equals(decl.type))
- {
- // VC: Entity Name
- if (!isNmtoken(value, true))
- error("ENTITY values must match the Name production");
- Object entity = doctype.getEntity(value);
- if (entity == null || !(entity instanceof ExternalIds) ||
- ((ExternalIds) entity).notationName == null)
- error("ENTITY values must match the name of an unparsed " +
- "entity declared in the DTD");
- }
- else if ("NOTATION".equals(decl.type))
- {
- if (!decl.values.contains(value))
- error("NOTATION values must match a declared notation name",
- value);
- // VC: Notation Attributes
- ExternalIds notation = doctype.getNotation(value);
- if (notation == null)
- error("NOTATION values must match the name of a notation " +
- "declared in the DTD", value);
- }
- }
- if (namespaceAware)
- {
- if (!addNamespace(attr))
- attrs.add(attr);
- }
- else
- attrs.add(attr);
- }
-
- /**
- * Determines whether the specified attribute is a namespace declaration,
- * and adds it to the current namespace context if so. Returns false if
- * the attribute is an ordinary attribute.
- */
- private boolean addNamespace(Attribute attr)
- throws XMLStreamException
- {
- if ("xmlns".equals(attr.name))
- {
- LinkedHashMap ctx = (LinkedHashMap) namespaces.getFirst();
- if (ctx.get(XMLConstants.DEFAULT_NS_PREFIX) != null)
- error("Duplicate default namespace declaration");
- if (XMLConstants.XML_NS_URI.equals(attr.value))
- error("can't bind XML namespace");
- ctx.put(XMLConstants.DEFAULT_NS_PREFIX, attr.value);
- return true;
- }
- else if ("xmlns".equals(attr.prefix))
- {
- LinkedHashMap ctx = (LinkedHashMap) namespaces.getFirst();
- if (ctx.get(attr.localName) != null)
- error("Duplicate namespace declaration for prefix",
- attr.localName);
- if (XMLConstants.XML_NS_PREFIX.equals(attr.localName))
- {
- if (!XMLConstants.XML_NS_URI.equals(attr.value))
- error("can't redeclare xml prefix");
- else
- return false; // treat as attribute
- }
- if (XMLConstants.XML_NS_URI.equals(attr.value))
- error("can't bind non-xml prefix to XML namespace");
- if (XMLConstants.XMLNS_ATTRIBUTE.equals(attr.localName))
- error("can't redeclare xmlns prefix");
- if (XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(attr.value))
- error("can't bind non-xmlns prefix to XML Namespace namespace");
- if ("".equals(attr.value) && !input.xml11)
- error("illegal use of 1.1-style prefix unbinding in 1.0 document");
- ctx.put(attr.localName, attr.value);
- return true;
- }
- return false;
- }
-
- /**
- * Parse a closing tag.
- */
- private void readEndElement()
- throws IOException, XMLStreamException
- {
- // pop element off stack
- String expected = (String) stack.removeLast();
- require(expected);
- skipWhitespace();
- require('>');
- // Make element name available
- buf.setLength(0);
- buf.append(expected);
- if (validating && doctype != null)
- endElementValidationHook();
- }
-
- /**
- * Validate the end of an element.
- * Called on an end-element or empty element if validating.
- */
- private void endElementValidationHook()
- throws XMLStreamException
- {
- validateEndElement();
- validationStack.removeLast();
- if (stack.isEmpty())
- currentContentModel = null;
- else
- {
- String parent = (String) stack.getLast();
- currentContentModel = doctype.getElementModel(parent);
- }
- }
-
- /**
- * Parse a comment.
- */
- private void readComment(boolean inDTD)
- throws IOException, XMLStreamException
- {
- boolean saved = expandPE;
- expandPE = false;
- buf.setLength(0);
- readUntil(TEST_END_COMMENT);
- require('>');
- expandPE = saved;
- if (inDTD)
- doctype.addComment(buf.toString());
- }
-
- /**
- * Parse a processing instruction.
- */
- private void readPI(boolean inDTD)
- throws IOException, XMLStreamException
- {
- boolean saved = expandPE;
- expandPE = false;
- piTarget = readNmtoken(true);
- if (piTarget.indexOf(':') != -1)
- error("illegal character in PI target", new Character(':'));
- if ("xml".equalsIgnoreCase(piTarget))
- error("illegal PI target", piTarget);
- if (tryRead(TEST_END_PI))
- piData = null;
- else
- {
- if (!tryWhitespace())
- error("whitespace required between PI target and data");
- buf.setLength(0);
- readUntil(TEST_END_PI);
- piData = buf.toString();
- }
- expandPE = saved;
- if (inDTD)
- doctype.addPI(piTarget, piData);
- }
-
- /**
- * Parse an entity reference.
- */
- private void readReference()
- throws IOException, XMLStreamException
- {
- buf.setLength(0);
- String entityName = readNmtoken(true);
- require(';');
- buf.setLength(0);
- buf.append(entityName);
- }
-
- /**
- * Read an CDATA section.
- */
- private void readCDSect()
- throws IOException, XMLStreamException
- {
- buf.setLength(0);
- readUntil(TEST_END_CDATA);
- }
-
- /**
- * Read character data.
- * @return the type of text read (CHARACTERS or SPACE)
- */
- private int readCharData(String prefix)
- throws IOException, XMLStreamException
- {
- boolean white = true;
- buf.setLength(0);
- if (prefix != null)
- buf.append(prefix);
- boolean done = false;
- boolean entities = false;
- while (!done)
- {
- // Block read
- mark(tmpBuf.length);
- int len = read(tmpBuf, 0, tmpBuf.length);
- if (len == -1)
- {
- if (inputStack.size() > 1)
- {
- popInput();
- // report end-entity
- done = true;
- }
- else
- throw new EOFException();
- }
- for (int i = 0; i < len && !done; i++)
- {
- int c = tmpBuf[i];
- switch (c)
- {
- case 0x20:
- case 0x09:
- case 0x0a:
- case 0x0d:
- buf.append(Character.toChars(c));
- break; // whitespace
- case 0x26: // '&'
- reset();
- read(tmpBuf, 0, i);
- // character reference?
- mark(3);
- c = readCh(); // &
- c = readCh();
- if (c == 0x23) // '#'
- {
- mark(1);
- c = readCh();
- boolean hex = (c == 0x78); // 'x'
- if (!hex)
- reset();
- char[] ch = readCharacterRef(hex ? 16 : 10);
- buf.append(ch, 0, ch.length);
- for (int j = 0; j < ch.length; j++)
- {
- switch (ch[j])
- {
- case 0x20:
- case 0x09:
- case 0x0a:
- case 0x0d:
- break; // whitespace
- default:
- white = false;
- }
- }
- }
- else
- {
- // entity reference
- reset();
- c = readCh(); // &
- String entityName = readNmtoken(true);
- require(';');
- String text =
- (String) PREDEFINED_ENTITIES.get(entityName);
- if (text != null)
- buf.append(text);
- else
- {
- pushInput("", "&" + entityName + ";", false, false);
- done = true;
- break;
- }
- }
- // continue processing
- i = -1;
- mark(tmpBuf.length);
- len = read(tmpBuf, 0, tmpBuf.length);
- if (len == -1)
- {
- if (inputStack.size() > 1)
- {
- popInput();
- done = true;
- }
- else
- throw new EOFException();
- }
- entities = true;
- break; // end of text sequence
- case 0x3e: // '>'
- int l = buf.length();
- if (l > 1 &&
- buf.charAt(l - 1) == ']' &&
- buf.charAt(l - 2) == ']')
- error("Character data may not contain unescaped ']]>'");
- buf.append(Character.toChars(c));
- break;
- case 0x3c: // '<'
- reset();
- // read i characters
- int count = 0, remaining = i;
- do
- {
- int r = read(tmpBuf, 0, remaining);
- count += r;
- remaining -= r;
- }
- while (count < i);
- i = len;
- if (coalescing && tryRead(TEST_CDATA))
- readUntil(TEST_END_CDATA); // read CDATA section into buf
- else
- done = true; // end of text sequence
- break;
- default:
- if (input.xml11)
- {
- if (!isXML11Char(c) || isXML11RestrictedChar(c))
- error("illegal XML 1.1 character",
- "U+" + Integer.toHexString(c));
- }
- else if (!isChar(c))
- error("illegal XML character",
- "U+" + Integer.toHexString(c));
- white = false;
- buf.append(Character.toChars(c));
- }
- }
- // if text buffer >= 2MB, return it as a chunk
- // to avoid excessive memory use
- if (buf.length() >= 2097152)
- done = true;
- }
- if (entities)
- normalizeCRLF(buf);
- return white ? XMLStreamConstants.SPACE : XMLStreamConstants.CHARACTERS;
- }
-
- /**
- * Expands the specified entity.
- */
- private void expandEntity(String name, boolean inAttr, boolean normalize)
- throws IOException, XMLStreamException
- {
- if (doctype != null)
- {
- Object value = doctype.getEntity(name);
- if (value != null)
- {
- if (xmlStandalone == Boolean.TRUE)
- {
- // VC: Standalone Document Declaration
- if (doctype.isEntityExternal(name))
- error("reference to external entity in standalone document");
- else if (value instanceof ExternalIds)
- {
- ExternalIds ids = (ExternalIds) value;
- if (ids.notationName != null &&
- doctype.isNotationExternal(ids.notationName))
- error("reference to external notation in " +
- "standalone document");
- }
- }
- if (value instanceof String)
- {
- String text = (String) value;
- if (inAttr && text.indexOf('<') != -1)
- error("< in attribute value");
- pushInput(name, text, !inAttr, normalize);
- }
- else if (inAttr)
- error("reference to external entity in attribute value", name);
- else
- pushInput(name, (ExternalIds) value, !inAttr, normalize);
- return;
- }
- }
- error("reference to undeclared entity", name);
- }
-
- /**
- * Indicates whether the specified entity is unparsed.
- */
- private boolean isUnparsedEntity(String name)
- {
- if (doctype != null)
- {
- Object value = doctype.getEntity(name);
- if (value != null && value instanceof ExternalIds)
- return ((ExternalIds) value).notationName != null;
- }
- return false;
- }
-
- /**
- * Read an equals sign.
- */
- private void readEq()
- throws IOException, XMLStreamException
- {
- skipWhitespace();
- require('=');
- skipWhitespace();
- }
-
- /**
- * Character read for reading literals.
- * @param recognizePEs whether to recognize parameter-entity references
- */
- private int literalReadCh(boolean recognizePEs)
- throws IOException, XMLStreamException
- {
- int c = recognizePEs ? readCh() : read();
- while (c == -1)
- {
- if (inputStack.size() > 1)
- {
- inputStack.removeLast();
- input = (Input) inputStack.getLast();
- // Don't issue end-entity
- c = recognizePEs ? readCh() : read();
- }
- else
- throw new EOFException();
- }
- return c;
- }
-
- /**
- * Read a string literal.
- */
- private String readLiteral(int flags, boolean recognizePEs)
- throws IOException, XMLStreamException
- {
- boolean saved = expandPE;
- int delim = readCh();
- if (delim != 0x27 && delim != 0x22)
- error("expected '\"' or \"'\"", "U+" + Integer.toHexString(delim));
- literalBuf.setLength(0);
- if ((flags & LIT_DISABLE_PE) != 0)
- expandPE = false;
- boolean entities = false;
- int inputStackSize = inputStack.size();
- do
- {
- int c = literalReadCh(recognizePEs);
- if (c == delim && inputStackSize == inputStack.size())
- break;
- switch (c)
- {
- case 0x0a:
- case 0x0d:
- if ((flags & (LIT_ATTRIBUTE | LIT_PUBID)) != 0)
- c = 0x20; // normalize to space
- break;
- case 0x09:
- if ((flags & LIT_ATTRIBUTE) != 0)
- c = 0x20; // normalize to space
- break;
- case 0x26: // '&'
- mark(2);
- c = readCh();
- if (c == 0x23) // '#'
- {
- if ((flags & LIT_DISABLE_CREF) != 0)
- {
- reset();
- c = 0x26; // '&'
- }
- else
- {
- mark(1);
- c = readCh();
- boolean hex = (c == 0x78); // 'x'
- if (!hex)
- reset();
- char[] ref = readCharacterRef(hex ? 16 : 10);
- for (int i = 0; i < ref.length; i++)
- literalBuf.append(ref[i]);
- entities = true;
- continue;
- }
- }
- else
- {
- if ((flags & LIT_DISABLE_EREF) != 0)
- {
- reset();
- c = 0x26; // '&'
- }
- else
- {
- reset();
- String entityName = readNmtoken(true);
- require(';');
- String text =
- (String) PREDEFINED_ENTITIES.get(entityName);
- if (text != null)
- literalBuf.append(text);
- else
- expandEntity(entityName,
- (flags & LIT_ATTRIBUTE) != 0,
- true);
- entities = true;
- continue;
- }
- }
- break;
- case 0x3c: // '<'
- if ((flags & LIT_ATTRIBUTE) != 0)
- error("attribute values may not contain '<'");
- break;
- case -1:
- if (inputStack.size() > 1)
- {
- popInput();
- continue;
- }
- throw new EOFException();
- default:
- if ((c < 0x0020 || c > 0xfffd) ||
- (c >= 0xd800 && c < 0xdc00) ||
- (input.xml11 && (c >= 0x007f) &&
- (c <= 0x009f) && (c != 0x0085)))
- error("illegal character", "U+" + Integer.toHexString(c));
- }
- literalBuf.append(Character.toChars(c));
- }
- while (true);
- expandPE = saved;
- if (entities)
- normalizeCRLF(literalBuf);
- if ((flags & LIT_NORMALIZE) > 0)
- literalBuf = normalize(literalBuf);
- return literalBuf.toString();
- }
-
- /**
- * Performs attribute-value normalization of the text buffer.
- * This discards leading and trailing whitespace, and replaces sequences
- * of whitespace with a single space.
- */
- private StringBuffer normalize(StringBuffer buf)
- {
- StringBuffer acc = new StringBuffer();
- int len = buf.length();
- int avState = 0;
- for (int i = 0; i < len; i++)
- {
- char c = buf.charAt(i);
- if (c == ' ')
- avState = (avState == 0) ? 0 : 1;
- else
- {
- if (avState == 1)
- acc.append(' ');
- acc.append(c);
- avState = 2;
- }
- }
- return acc;
- }
-
- /**
- * Replace any CR/LF pairs in the buffer with LF.
- * This may be necessary if combinations of CR or LF were declared as
- * (character) entity references in the input.
- */
- private void normalizeCRLF(StringBuffer buf)
- {
- int len = buf.length() - 1;
- for (int i = 0; i < len; i++)
- {
- char c = buf.charAt(i);
- if (c == '\r' && buf.charAt(i + 1) == '\n')
- {
- buf.deleteCharAt(i--);
- len--;
- }
- }
- }
-
- /**
- * Parse and expand a parameter entity reference.
- */
- private void expandPEReference()
- throws IOException, XMLStreamException
- {
- String name = readNmtoken(true, new StringBuffer());
- require(';');
- mark(1); // ensure we don't reset to before the semicolon
- if (doctype != null)
- {
- String entityName = "%" + name;
- Object entity = doctype.getEntity(entityName);
- if (entity != null)
- {
- if (xmlStandalone == Boolean.TRUE)
- {
- if (doctype.isEntityExternal(entityName))
- error("reference to external parameter entity in " +
- "standalone document");
- }
- if (entity instanceof String)
- {
- pushInput(name, (String) entity, false, input.normalize);
- //pushInput(name, " " + (String) entity + " ");
- }
- else
- {
- //pushInput("", " ");
- pushInput(name, (ExternalIds) entity, false, input.normalize);
- //pushInput("", " ");
- }
- }
- else
- error("reference to undeclared parameter entity", name);
- }
- else
- error("reference to parameter entity without doctype", name);
- }
-
- /**
- * Parse the digits in a character reference.
- * @param base the base of the digits (10 or 16)
- */
- private char[] readCharacterRef(int base)
- throws IOException, XMLStreamException
- {
- CPStringBuilder b = new CPStringBuilder();
- for (int c = readCh(); c != 0x3b && c != -1; c = readCh())
- b.append(Character.toChars(c));
- try
- {
- int ord = Integer.parseInt(b.toString(), base);
- if (input.xml11)
- {
- if (!isXML11Char(ord))
- error("illegal XML 1.1 character reference " +
- "U+" + Integer.toHexString(ord));
- }
- else
- {
- if ((ord < 0x20 && !(ord == 0x0a || ord == 0x09 || ord == 0x0d))
- || (ord >= 0xd800 && ord <= 0xdfff)
- || ord == 0xfffe || ord == 0xffff
- || ord > 0x0010ffff)
- error("illegal XML character reference " +
- "U+" + Integer.toHexString(ord));
- }
- return Character.toChars(ord);
- }
- catch (NumberFormatException e)
- {
- error("illegal characters in character reference", b.toString());
- return null;
- }
- }
-
- /**
- * Parses an NMTOKEN or Name production.
- * @param isName if a Name, otherwise an NMTOKEN
- */
- private String readNmtoken(boolean isName)
- throws IOException, XMLStreamException
- {
- return readNmtoken(isName, nmtokenBuf);
- }
-
- /**
- * Parses an NMTOKEN or Name production using the specified buffer.
- * @param isName if a Name, otherwise an NMTOKEN
- * @param buf the character buffer to use
- */
- private String readNmtoken(boolean isName, StringBuffer buf)
- throws IOException, XMLStreamException
- {
- buf.setLength(0);
- int c = readCh();
- if (isName)
- {
- if (!isNameStartCharacter(c, input.xml11))
- error("not a name start character",
- "U+" + Integer.toHexString(c));
- }
- else
- {
- if (!isNameCharacter(c, input.xml11))
- error("not a name character",
- "U+" + Integer.toHexString(c));
- }
- buf.append(Character.toChars(c));
- do
- {
- mark(1);
- c = readCh();
- switch (c)
- {
- case 0x25: // '%'
- case 0x3c: // '<'
- case 0x3e: // '>'
- case 0x26: // '&'
- case 0x2c: // ','
- case 0x7c: // '|'
- case 0x2a: // '*'
- case 0x2b: // '+'
- case 0x3f: // '?'
- case 0x29: // ')'
- case 0x3d: // '='
- case 0x27: // '\''
- case 0x22: // '"'
- case 0x5b: // '['
- case 0x20: // ' '
- case 0x09: // '\t'
- case 0x0a: // '\n'
- case 0x0d: // '\r'
- case 0x3b: // ';'
- case 0x2f: // '/'
- case -1:
- reset();
- return intern(buf.toString());
- default:
- if (!isNameCharacter(c, input.xml11))
- error("not a name character",
- "U+" + Integer.toHexString(c));
- else
- buf.append(Character.toChars(c));
- }
- }
- while (true);
- }
-
- /**
- * Indicates whether the specified Unicode character is an XML 1.1 Char.
- */
- public static boolean isXML11Char(int c)
- {
- return ((c >= 0x0001 && c <= 0xD7FF) ||
- (c >= 0xE000 && c < 0xFFFE) ||
- (c >= 0x10000 && c <= 0x10FFFF));
- }
-
- /**
- * Indicates whether the specified Unicode character is an XML 1.1
- * RestrictedChar.
- */
- public static boolean isXML11RestrictedChar(int c)
- {
- return ((c >= 0x0001 && c <= 0x0008) ||
- (c >= 0x000B && c <= 0x000C) ||
- (c >= 0x000E && c <= 0x001F) ||
- (c >= 0x007F && c <= 0x0084) ||
- (c >= 0x0086 && c <= 0x009F));
- }
-
- /**
- * Indicates whether the specified text matches the Name or Nmtoken
- * production.
- */
- private boolean isNmtoken(String text, boolean isName)
- {
- try
- {
- int[] cp = UnicodeReader.toCodePointArray(text);
- if (cp.length == 0)
- return false;
- if (isName)
- {
- if (!isNameStartCharacter(cp[0], input.xml11))
- return false;
- }
- else
- {
- if (!isNameCharacter(cp[0], input.xml11))
- return false;
- }
- for (int i = 1; i < cp.length; i++)
- {
- if (!isNameCharacter(cp[i], input.xml11))
- return false;
- }
- return true;
- }
- catch (IOException e)
- {
- return false;
- }
- }
-
- /**
- * Indicates whether the specified Unicode character is a Name start
- * character.
- */
- public static boolean isNameStartCharacter(int c, boolean xml11)
- {
- if (xml11)
- return ((c >= 0x0041 && c <= 0x005a) ||
- (c >= 0x0061 && c <= 0x007a) ||
- c == 0x3a |
- c == 0x5f |
- (c >= 0xC0 && c <= 0xD6) ||
- (c >= 0xD8 && c <= 0xF6) ||
- (c >= 0xF8 && c <= 0x2FF) ||
- (c >= 0x370 && c <= 0x37D) ||
- (c >= 0x37F && c <= 0x1FFF) ||
- (c >= 0x200C && c <= 0x200D) ||
- (c >= 0x2070 && c <= 0x218F) ||
- (c >= 0x2C00 && c <= 0x2FEF) ||
- (c >= 0x3001 && c <= 0xD7FF) ||
- (c >= 0xF900 && c <= 0xFDCF) ||
- (c >= 0xFDF0 && c <= 0xFFFD) ||
- (c >= 0x10000 && c <= 0xEFFFF));
- else
- return (c == 0x5f || c == 0x3a || isLetter(c));
- }
-
- /**
- * Indicates whether the specified Unicode character is a Name non-initial
- * character.
- */
- public static boolean isNameCharacter(int c, boolean xml11)
- {
- if (xml11)
- return ((c >= 0x0041 && c <= 0x005a) ||
- (c >= 0x0061 && c <= 0x007a) ||
- (c >= 0x0030 && c <= 0x0039) ||
- c == 0x3a |
- c == 0x5f |
- c == 0x2d |
- c == 0x2e |
- c == 0xB7 |
- (c >= 0xC0 && c <= 0xD6) ||
- (c >= 0xD8 && c <= 0xF6) ||
- (c >= 0xF8 && c <= 0x2FF) ||
- (c >= 0x300 && c <= 0x37D) ||
- (c >= 0x37F && c <= 0x1FFF) ||
- (c >= 0x200C && c <= 0x200D) ||
- (c >= 0x203F && c <= 0x2040) ||
- (c >= 0x2070 && c <= 0x218F) ||
- (c >= 0x2C00 && c <= 0x2FEF) ||
- (c >= 0x3001 && c <= 0xD7FF) ||
- (c >= 0xF900 && c <= 0xFDCF) ||
- (c >= 0xFDF0 && c <= 0xFFFD) ||
- (c >= 0x10000 && c <= 0xEFFFF));
- else
- return (c == 0x2e || c == 0x2d || c == 0x5f || c == 0x3a ||
- isLetter(c) || isDigit(c) ||
- isCombiningChar(c) || isExtender(c));
- }
-
- /**
- * Indicates whether the specified Unicode character matches the Letter
- * production.
- */
- public static boolean isLetter(int c)
- {
- if ((c >= 0x0041 && c <= 0x005A) ||
- (c >= 0x0061 && c <= 0x007A) ||
- (c >= 0x00C0 && c <= 0x00D6) ||
- (c >= 0x00D8 && c <= 0x00F6) ||
- (c >= 0x00F8 && c <= 0x00FF) ||
- (c >= 0x0100 && c <= 0x0131) ||
- (c >= 0x0134 && c <= 0x013E) ||
- (c >= 0x0141 && c <= 0x0148) ||
- (c >= 0x014A && c <= 0x017E) ||
- (c >= 0x0180 && c <= 0x01C3) ||
- (c >= 0x01CD && c <= 0x01F0) ||
- (c >= 0x01F4 && c <= 0x01F5) ||
- (c >= 0x01FA && c <= 0x0217) ||
- (c >= 0x0250 && c <= 0x02A8) ||
- (c >= 0x02BB && c <= 0x02C1) ||
- c == 0x0386 ||
- (c >= 0x0388 && c <= 0x038A) ||
- c == 0x038C ||
- (c >= 0x038E && c <= 0x03A1) ||
- (c >= 0x03A3 && c <= 0x03CE) ||
- (c >= 0x03D0 && c <= 0x03D6) ||
- c == 0x03DA ||
- c == 0x03DC ||
- c == 0x03DE ||
- c == 0x03E0 ||
- (c >= 0x03E2 && c <= 0x03F3) ||
- (c >= 0x0401 && c <= 0x040C) ||
- (c >= 0x040E && c <= 0x044F) ||
- (c >= 0x0451 && c <= 0x045C) ||
- (c >= 0x045E && c <= 0x0481) ||
- (c >= 0x0490 && c <= 0x04C4) ||
- (c >= 0x04C7 && c <= 0x04C8) ||
- (c >= 0x04CB && c <= 0x04CC) ||
- (c >= 0x04D0 && c <= 0x04EB) ||
- (c >= 0x04EE && c <= 0x04F5) ||
- (c >= 0x04F8 && c <= 0x04F9) ||
- (c >= 0x0531 && c <= 0x0556) ||
- c == 0x0559 ||
- (c >= 0x0561 && c <= 0x0586) ||
- (c >= 0x05D0 && c <= 0x05EA) ||
- (c >= 0x05F0 && c <= 0x05F2) ||
- (c >= 0x0621 && c <= 0x063A) ||
- (c >= 0x0641 && c <= 0x064A) ||
- (c >= 0x0671 && c <= 0x06B7) ||
- (c >= 0x06BA && c <= 0x06BE) ||
- (c >= 0x06C0 && c <= 0x06CE) ||
- (c >= 0x06D0 && c <= 0x06D3) ||
- c == 0x06D5 ||
- (c >= 0x06E5 && c <= 0x06E6) ||
- (c >= 0x0905 && c <= 0x0939) ||
- c == 0x093D ||
- (c >= 0x0958 && c <= 0x0961) ||
- (c >= 0x0985 && c <= 0x098C) ||
- (c >= 0x098F && c <= 0x0990) ||
- (c >= 0x0993 && c <= 0x09A8) ||
- (c >= 0x09AA && c <= 0x09B0) ||
- c == 0x09B2 ||
- (c >= 0x09B6 && c <= 0x09B9) ||
- (c >= 0x09DC && c <= 0x09DD) ||
- (c >= 0x09DF && c <= 0x09E1) ||
- (c >= 0x09F0 && c <= 0x09F1) ||
- (c >= 0x0A05 && c <= 0x0A0A) ||
- (c >= 0x0A0F && c <= 0x0A10) ||
- (c >= 0x0A13 && c <= 0x0A28) ||
- (c >= 0x0A2A && c <= 0x0A30) ||
- (c >= 0x0A32 && c <= 0x0A33) ||
- (c >= 0x0A35 && c <= 0x0A36) ||
- (c >= 0x0A38 && c <= 0x0A39) ||
- (c >= 0x0A59 && c <= 0x0A5C) ||
- c == 0x0A5E ||
- (c >= 0x0A72 && c <= 0x0A74) ||
- (c >= 0x0A85 && c <= 0x0A8B) ||
- c == 0x0A8D ||
- (c >= 0x0A8F && c <= 0x0A91) ||
- (c >= 0x0A93 && c <= 0x0AA8) ||
- (c >= 0x0AAA && c <= 0x0AB0) ||
- (c >= 0x0AB2 && c <= 0x0AB3) ||
- (c >= 0x0AB5 && c <= 0x0AB9) ||
- c == 0x0ABD ||
- c == 0x0AE0 ||
- (c >= 0x0B05 && c <= 0x0B0C) ||
- (c >= 0x0B0F && c <= 0x0B10) ||
- (c >= 0x0B13 && c <= 0x0B28) ||
- (c >= 0x0B2A && c <= 0x0B30) ||
- (c >= 0x0B32 && c <= 0x0B33) ||
- (c >= 0x0B36 && c <= 0x0B39) ||
- c == 0x0B3D ||
- (c >= 0x0B5C && c <= 0x0B5D) ||
- (c >= 0x0B5F && c <= 0x0B61) ||
- (c >= 0x0B85 && c <= 0x0B8A) ||
- (c >= 0x0B8E && c <= 0x0B90) ||
- (c >= 0x0B92 && c <= 0x0B95) ||
- (c >= 0x0B99 && c <= 0x0B9A) ||
- c == 0x0B9C ||
- (c >= 0x0B9E && c <= 0x0B9F) ||
- (c >= 0x0BA3 && c <= 0x0BA4) ||
- (c >= 0x0BA8 && c <= 0x0BAA) ||
- (c >= 0x0BAE && c <= 0x0BB5) ||
- (c >= 0x0BB7 && c <= 0x0BB9) ||
- (c >= 0x0C05 && c <= 0x0C0C) ||
- (c >= 0x0C0E && c <= 0x0C10) ||
- (c >= 0x0C12 && c <= 0x0C28) ||
- (c >= 0x0C2A && c <= 0x0C33) ||
- (c >= 0x0C35 && c <= 0x0C39) ||
- (c >= 0x0C60 && c <= 0x0C61) ||
- (c >= 0x0C85 && c <= 0x0C8C) ||
- (c >= 0x0C8E && c <= 0x0C90) ||
- (c >= 0x0C92 && c <= 0x0CA8) ||
- (c >= 0x0CAA && c <= 0x0CB3) ||
- (c >= 0x0CB5 && c <= 0x0CB9) ||
- c == 0x0CDE ||
- (c >= 0x0CE0 && c <= 0x0CE1) ||
- (c >= 0x0D05 && c <= 0x0D0C) ||
- (c >= 0x0D0E && c <= 0x0D10) ||
- (c >= 0x0D12 && c <= 0x0D28) ||
- (c >= 0x0D2A && c <= 0x0D39) ||
- (c >= 0x0D60 && c <= 0x0D61) ||
- (c >= 0x0E01 && c <= 0x0E2E) ||
- c == 0x0E30 ||
- (c >= 0x0E32 && c <= 0x0E33) ||
- (c >= 0x0E40 && c <= 0x0E45) ||
- (c >= 0x0E81 && c <= 0x0E82) ||
- c == 0x0E84 ||
- (c >= 0x0E87 && c <= 0x0E88) ||
- c == 0x0E8A ||
- c == 0x0E8D ||
- (c >= 0x0E94 && c <= 0x0E97) ||
- (c >= 0x0E99 && c <= 0x0E9F) ||
- (c >= 0x0EA1 && c <= 0x0EA3) ||
- c == 0x0EA5 ||
- c == 0x0EA7 ||
- (c >= 0x0EAA && c <= 0x0EAB) ||
- (c >= 0x0EAD && c <= 0x0EAE) ||
- c == 0x0EB0 ||
- (c >= 0x0EB2 && c <= 0x0EB3) ||
- c == 0x0EBD ||
- (c >= 0x0EC0 && c <= 0x0EC4) ||
- (c >= 0x0F40 && c <= 0x0F47) ||
- (c >= 0x0F49 && c <= 0x0F69) ||
- (c >= 0x10A0 && c <= 0x10C5) ||
- (c >= 0x10D0 && c <= 0x10F6) ||
- c == 0x1100 ||
- (c >= 0x1102 && c <= 0x1103) ||
- (c >= 0x1105 && c <= 0x1107) ||
- c == 0x1109 ||
- (c >= 0x110B && c <= 0x110C) ||
- (c >= 0x110E && c <= 0x1112) ||
- c == 0x113C ||
- c == 0x113E ||
- c == 0x1140 ||
- c == 0x114C ||
- c == 0x114E ||
- c == 0x1150 ||
- (c >= 0x1154 && c <= 0x1155) ||
- c == 0x1159 ||
- (c >= 0x115F && c <= 0x1161) ||
- c == 0x1163 ||
- c == 0x1165 ||
- c == 0x1167 ||
- c == 0x1169 ||
- (c >= 0x116D && c <= 0x116E) ||
- (c >= 0x1172 && c <= 0x1173) ||
- c == 0x1175 ||
- c == 0x119E ||
- c == 0x11A8 ||
- c == 0x11AB ||
- (c >= 0x11AE && c <= 0x11AF) ||
- (c >= 0x11B7 && c <= 0x11B8) ||
- c == 0x11BA ||
- (c >= 0x11BC && c <= 0x11C2) ||
- c == 0x11EB ||
- c == 0x11F0 ||
- c == 0x11F9 ||
- (c >= 0x1E00 && c <= 0x1E9B) ||
- (c >= 0x1EA0 && c <= 0x1EF9) ||
- (c >= 0x1F00 && c <= 0x1F15) ||
- (c >= 0x1F18 && c <= 0x1F1D) ||
- (c >= 0x1F20 && c <= 0x1F45) ||
- (c >= 0x1F48 && c <= 0x1F4D) ||
- (c >= 0x1F50 && c <= 0x1F57) ||
- c == 0x1F59 ||
- c == 0x1F5B ||
- c == 0x1F5D ||
- (c >= 0x1F5F && c <= 0x1F7D) ||
- (c >= 0x1F80 && c <= 0x1FB4) ||
- (c >= 0x1FB6 && c <= 0x1FBC) ||
- c == 0x1FBE ||
- (c >= 0x1FC2 && c <= 0x1FC4) ||
- (c >= 0x1FC6 && c <= 0x1FCC) ||
- (c >= 0x1FD0 && c <= 0x1FD3) ||
- (c >= 0x1FD6 && c <= 0x1FDB) ||
- (c >= 0x1FE0 && c <= 0x1FEC) ||
- (c >= 0x1FF2 && c <= 0x1FF4) ||
- (c >= 0x1FF6 && c <= 0x1FFC) ||
- c == 0x2126 ||
- (c >= 0x212A && c <= 0x212B) ||
- c == 0x212E ||
- (c >= 0x2180 && c <= 0x2182) ||
- (c >= 0x3041 && c <= 0x3094) ||
- (c >= 0x30A1 && c <= 0x30FA) ||
- (c >= 0x3105 && c <= 0x312C) ||
- (c >= 0xAC00 && c <= 0xD7A3))
- return true; // BaseChar
- if ((c >= 0x4e00 && c <= 0x9fa5) ||
- c == 0x3007 ||
- (c >= 0x3021 && c <= 0x3029))
- return true; // Ideographic
- return false;
- }
-
- /**
- * Indicates whether the specified Unicode character matches the Digit
- * production.
- */
- public static boolean isDigit(int c)
- {
- return ((c >= 0x0030 && c <= 0x0039) ||
- (c >= 0x0660 && c <= 0x0669) ||
- (c >= 0x06F0 && c <= 0x06F9) ||
- (c >= 0x0966 && c <= 0x096F) ||
- (c >= 0x09E6 && c <= 0x09EF) ||
- (c >= 0x0A66 && c <= 0x0A6F) ||
- (c >= 0x0AE6 && c <= 0x0AEF) ||
- (c >= 0x0B66 && c <= 0x0B6F) ||
- (c >= 0x0BE7 && c <= 0x0BEF) ||
- (c >= 0x0C66 && c <= 0x0C6F) ||
- (c >= 0x0CE6 && c <= 0x0CEF) ||
- (c >= 0x0D66 && c <= 0x0D6F) ||
- (c >= 0x0E50 && c <= 0x0E59) ||
- (c >= 0x0ED0 && c <= 0x0ED9) ||
- (c >= 0x0F20 && c <= 0x0F29));
- }
-
- /**
- * Indicates whether the specified Unicode character matches the
- * CombiningChar production.
- */
- public static boolean isCombiningChar(int c)
- {
- return ((c >= 0x0300 && c <= 0x0345) ||
- (c >= 0x0360 && c <= 0x0361) ||
- (c >= 0x0483 && c <= 0x0486) ||
- (c >= 0x0591 && c <= 0x05A1) ||
- (c >= 0x05A3 && c <= 0x05B9) ||
- (c >= 0x05BB && c <= 0x05BD) ||
- c == 0x05BF ||
- (c >= 0x05C1 && c <= 0x05C2) ||
- c == 0x05C4 ||
- (c >= 0x064B && c <= 0x0652) ||
- c == 0x0670 ||
- (c >= 0x06D6 && c <= 0x06DC) ||
- (c >= 0x06DD && c <= 0x06DF) ||
- (c >= 0x06E0 && c <= 0x06E4) ||
- (c >= 0x06E7 && c <= 0x06E8) ||
- (c >= 0x06EA && c <= 0x06ED) ||
- (c >= 0x0901 && c <= 0x0903) ||
- c == 0x093C ||
- (c >= 0x093E && c <= 0x094C) ||
- c == 0x094D ||
- (c >= 0x0951 && c <= 0x0954) ||
- (c >= 0x0962 && c <= 0x0963) ||
- (c >= 0x0981 && c <= 0x0983) ||
- c == 0x09BC ||
- c == 0x09BE ||
- c == 0x09BF ||
- (c >= 0x09C0 && c <= 0x09C4) ||
- (c >= 0x09C7 && c <= 0x09C8) ||
- (c >= 0x09CB && c <= 0x09CD) ||
- c == 0x09D7 ||
- (c >= 0x09E2 && c <= 0x09E3) ||
- c == 0x0A02 ||
- c == 0x0A3C ||
- c == 0x0A3E ||
- c == 0x0A3F ||
- (c >= 0x0A40 && c <= 0x0A42) ||
- (c >= 0x0A47 && c <= 0x0A48) ||
- (c >= 0x0A4B && c <= 0x0A4D) ||
- (c >= 0x0A70 && c <= 0x0A71) ||
- (c >= 0x0A81 && c <= 0x0A83) ||
- c == 0x0ABC ||
- (c >= 0x0ABE && c <= 0x0AC5) ||
- (c >= 0x0AC7 && c <= 0x0AC9) ||
- (c >= 0x0ACB && c <= 0x0ACD) ||
- (c >= 0x0B01 && c <= 0x0B03) ||
- c == 0x0B3C ||
- (c >= 0x0B3E && c <= 0x0B43) ||
- (c >= 0x0B47 && c <= 0x0B48) ||
- (c >= 0x0B4B && c <= 0x0B4D) ||
- (c >= 0x0B56 && c <= 0x0B57) ||
- (c >= 0x0B82 && c <= 0x0B83) ||
- (c >= 0x0BBE && c <= 0x0BC2) ||
- (c >= 0x0BC6 && c <= 0x0BC8) ||
- (c >= 0x0BCA && c <= 0x0BCD) ||
- c == 0x0BD7 ||
- (c >= 0x0C01 && c <= 0x0C03) ||
- (c >= 0x0C3E && c <= 0x0C44) ||
- (c >= 0x0C46 && c <= 0x0C48) ||
- (c >= 0x0C4A && c <= 0x0C4D) ||
- (c >= 0x0C55 && c <= 0x0C56) ||
- (c >= 0x0C82 && c <= 0x0C83) ||
- (c >= 0x0CBE && c <= 0x0CC4) ||
- (c >= 0x0CC6 && c <= 0x0CC8) ||
- (c >= 0x0CCA && c <= 0x0CCD) ||
- (c >= 0x0CD5 && c <= 0x0CD6) ||
- (c >= 0x0D02 && c <= 0x0D03) ||
- (c >= 0x0D3E && c <= 0x0D43) ||
- (c >= 0x0D46 && c <= 0x0D48) ||
- (c >= 0x0D4A && c <= 0x0D4D) ||
- c == 0x0D57 ||
- c == 0x0E31 ||
- (c >= 0x0E34 && c <= 0x0E3A) ||
- (c >= 0x0E47 && c <= 0x0E4E) ||
- c == 0x0EB1 ||
- (c >= 0x0EB4 && c <= 0x0EB9) ||
- (c >= 0x0EBB && c <= 0x0EBC) ||
- (c >= 0x0EC8 && c <= 0x0ECD) ||
- (c >= 0x0F18 && c <= 0x0F19) ||
- c == 0x0F35 ||
- c == 0x0F37 ||
- c == 0x0F39 ||
- c == 0x0F3E ||
- c == 0x0F3F ||
- (c >= 0x0F71 && c <= 0x0F84) ||
- (c >= 0x0F86 && c <= 0x0F8B) ||
- (c >= 0x0F90 && c <= 0x0F95) ||
- c == 0x0F97 ||
- (c >= 0x0F99 && c <= 0x0FAD) ||
- (c >= 0x0FB1 && c <= 0x0FB7) ||
- c == 0x0FB9 ||
- (c >= 0x20D0 && c <= 0x20DC) ||
- c == 0x20E1 ||
- (c >= 0x302A && c <= 0x302F) ||
- c == 0x3099 ||
- c == 0x309A);
- }
-
- /**
- * Indicates whether the specified Unicode character matches the Extender
- * production.
- */
- public static boolean isExtender(int c)
- {
- return (c == 0x00B7 ||
- c == 0x02D0 ||
- c == 0x02D1 ||
- c == 0x0387 ||
- c == 0x0640 ||
- c == 0x0E46 ||
- c == 0x0EC6 ||
- c == 0x3005 ||
- (c >= 0x3031 && c <= 0x3035) ||
- (c >= 0x309D && c <= 0x309E) ||
- (c >= 0x30FC && c <= 0x30FE));
- }
-
- /**
- * Indicates whether the specified Unicode character matches the Char
- * production.
- */
- public static boolean isChar(int c)
- {
- return (c >= 0x20 && c < 0xd800) ||
- (c >= 0xe00 && c < 0xfffe) ||
- (c >= 0x10000 && c < 0x110000) ||
- c == 0xa || c == 0x9 || c == 0xd;
- }
-
- /**
- * Interns the specified text or not, depending on the value of
- * stringInterning.
- */
- private String intern(String text)
- {
- return stringInterning ? text.intern() : text;
- }
-
- /**
- * Report a parsing error.
- */
- private void error(String message)
- throws XMLStreamException
- {
- error(message, null);
- }
-
- /**
- * Report a parsing error.
- */
- private void error(String message, Object info)
- throws XMLStreamException
- {
- if (info != null)
- {
- if (info instanceof String)
- message += ": \"" + ((String) info) + "\"";
- else if (info instanceof Character)
- message += ": '" + ((Character) info) + "'";
- }
- throw new XMLStreamException(message);
- }
-
- /**
- * Perform validation of a start-element event.
- */
- private void validateStartElement(String elementName)
- throws XMLStreamException
- {
- if (currentContentModel == null)
- {
- // root element
- // VC: Root Element Type
- if (!elementName.equals(doctype.rootName))
- error("root element name must match name in DTD");
- return;
- }
- // VC: Element Valid
- switch (currentContentModel.type)
- {
- case ContentModel.EMPTY:
- error("child element found in empty element", elementName);
- break;
- case ContentModel.ELEMENT:
- LinkedList ctx = (LinkedList) validationStack.getLast();
- ctx.add(elementName);
- break;
- case ContentModel.MIXED:
- MixedContentModel mm = (MixedContentModel) currentContentModel;
- if (!mm.containsName(elementName))
- error("illegal element for content model", elementName);
- break;
- }
- }
-
- /**
- * Perform validation of an end-element event.
- */
- private void validateEndElement()
- throws XMLStreamException
- {
- if (currentContentModel == null)
- {
- // root element
- // VC: IDREF
- if (!idrefs.containsAll(ids))
- error("IDREF values must match the value of some ID attribute");
- return;
- }
- // VC: Element Valid
- switch (currentContentModel.type)
- {
- case ContentModel.ELEMENT:
- LinkedList ctx = (LinkedList) validationStack.getLast();
- ElementContentModel ecm = (ElementContentModel) currentContentModel;
- validateElementContent(ecm, ctx);
- break;
- }
- }
-
- /**
- * Perform validation of character data.
- */
- private void validatePCData(String text)
- throws XMLStreamException
- {
- // VC: Element Valid
- switch (currentContentModel.type)
- {
- case ContentModel.EMPTY:
- error("character data found in empty element", text);
- break;
- case ContentModel.ELEMENT:
- boolean white = true;
- int len = text.length();
- for (int i = 0; i < len; i++)
- {
- char c = text.charAt(i);
- if (c != ' ' && c != '\t' && c != '\n' && c != '\r')
- {
- white = false;
- break;
- }
- }
- if (!white)
- error("character data found in element with element content", text);
- else if (xmlStandalone == Boolean.TRUE && currentContentModel.external)
- // VC: Standalone Document Declaration
- error("whitespace in element content of externally declared " +
- "element in standalone document");
- break;
- }
- }
-
- /**
- * Validates the specified validation context (list of child elements)
- * against the element content model for the current element.
- */
- private void validateElementContent(ElementContentModel model,
- LinkedList children)
- throws XMLStreamException
- {
- // Use regular expression
- CPStringBuilder buf = new CPStringBuilder();
- for (Iterator i = children.iterator(); i.hasNext(); )
- {
- buf.append((String) i.next());
- buf.append(' ');
- }
- String c = buf.toString();
- String regex = createRegularExpression(model);
- if (!c.matches(regex))
- error("element content "+model.text+" does not match expression "+regex, c);
- }
-
- /**
- * Creates the regular expression used to validate an element content
- * model.
- */
- private String createRegularExpression(ElementContentModel model)
- {
- if (model.regex == null)
- {
- CPStringBuilder buf = new CPStringBuilder();
- buf.append('(');
- for (Iterator i = model.contentParticles.iterator(); i.hasNext(); )
- {
- ContentParticle cp = (ContentParticle) i.next();
- if (cp.content instanceof String)
- {
- buf.append('(');
- buf.append((String) cp.content);
- buf.append(' ');
- buf.append(')');
- if (cp.max == -1)
- {
- if (cp.min == 0)
- buf.append('*');
- else
- buf.append('+');
- }
- else if (cp.min == 0)
- buf.append('?');
- }
- else
- {
- ElementContentModel ecm = (ElementContentModel) cp.content;
- buf.append(createRegularExpression(ecm));
- }
- if (model.or && i.hasNext())
- buf.append('|');
- }
- buf.append(')');
- if (model.max == -1)
- {
- if (model.min == 0)
- buf.append('*');
- else
- buf.append('+');
- }
- else if (model.min == 0)
- buf.append('?');
- model.regex = buf.toString();
- }
- return model.regex;
- }
-
- /**
- * Performs validation of a document type declaration event.
- */
- void validateDoctype()
- throws XMLStreamException
- {
- for (Iterator i = doctype.entityIterator(); i.hasNext(); )
- {
- Map.Entry entry = (Map.Entry) i.next();
- Object entity = entry.getValue();
- if (entity instanceof ExternalIds)
- {
- ExternalIds ids = (ExternalIds) entity;
- if (ids.notationName != null)
- {
- // VC: Notation Declared
- ExternalIds notation = doctype.getNotation(ids.notationName);
- if (notation == null)
- error("Notation name must match the declared name of a " +
- "notation", ids.notationName);
- }
- }
- }
- }
-
- /**
- * Simple test harness for reading an XML file.
- * args[0] is the filename of the XML file
- * If args[1] is "-x", enable XInclude processing
- */
- public static void main(String[] args)
- throws Exception
- {
- boolean validating = false;
- boolean namespaceAware = false;
- boolean xIncludeAware = false;
- int pos = 0;
- while (pos < args.length && args[pos].startsWith("-"))
- {
- if ("-x".equals(args[pos]))
- xIncludeAware = true;
- else if ("-v".equals(args[pos]))
- validating = true;
- else if ("-n".equals(args[pos]))
- namespaceAware = true;
- pos++;
- }
- if (pos >= args.length)
- {
- System.out.println("Syntax: XMLParser [-n] [-v] [-x] <file> [<file2> [...]]");
- System.out.println("\t-n: use namespace aware mode");
- System.out.println("\t-v: use validating parser");
- System.out.println("\t-x: use XInclude aware mode");
- System.exit(2);
- }
- while (pos < args.length)
- {
- XMLParser p = new XMLParser(new java.io.FileInputStream(args[pos]),
- absolutize(null, args[pos]),
- validating, // validating
- namespaceAware, // namespaceAware
- true, // coalescing,
- true, // replaceERefs
- true, // externalEntities
- true, // supportDTD
- true, // baseAware
- true, // stringInterning
- true, // extendedEventTypes
- null,
- null);
- XMLStreamReader reader = p;
- if (xIncludeAware)
- reader = new XIncludeFilter(p, args[pos], true, true, true);
- try
- {
- int event;
- //do
- while (reader.hasNext())
- {
- event = reader.next();
- Location loc = reader.getLocation();
- System.out.print(loc.getLineNumber() + ":" +
- loc.getColumnNumber() + " ");
- switch (event)
- {
- case XMLStreamConstants.START_DOCUMENT:
- System.out.println("START_DOCUMENT version=" +
- reader.getVersion() +
- " encoding=" +
- reader.getEncoding());
- break;
- case XMLStreamConstants.END_DOCUMENT:
- System.out.println("END_DOCUMENT");
- break;
- case XMLStreamConstants.START_ELEMENT:
- System.out.println("START_ELEMENT " +
- reader.getName());
- int l = reader.getNamespaceCount();
- for (int i = 0; i < l; i++)
- System.out.println("\tnamespace " +
- reader.getNamespacePrefix(i) + "='" +
- reader.getNamespaceURI(i)+"'");
- l = reader.getAttributeCount();
- for (int i = 0; i < l; i++)
- System.out.println("\tattribute " +
- reader.getAttributeName(i) + "='" +
- reader.getAttributeValue(i) + "'");
- break;
- case XMLStreamConstants.END_ELEMENT:
- System.out.println("END_ELEMENT " + reader.getName());
- break;
- case XMLStreamConstants.CHARACTERS:
- System.out.println("CHARACTERS '" +
- encodeText(reader.getText()) + "'");
- break;
- case XMLStreamConstants.CDATA:
- System.out.println("CDATA '" +
- encodeText(reader.getText()) + "'");
- break;
- case XMLStreamConstants.SPACE:
- System.out.println("SPACE '" +
- encodeText(reader.getText()) + "'");
- break;
- case XMLStreamConstants.DTD:
- System.out.println("DTD " + reader.getText());
- break;
- case XMLStreamConstants.ENTITY_REFERENCE:
- System.out.println("ENTITY_REFERENCE " + reader.getText());
- break;
- case XMLStreamConstants.COMMENT:
- System.out.println("COMMENT '" +
- encodeText(reader.getText()) + "'");
- break;
- case XMLStreamConstants.PROCESSING_INSTRUCTION:
- System.out.println("PROCESSING_INSTRUCTION " +
- reader.getPITarget() + " " +
- reader.getPIData());
- break;
- case START_ENTITY:
- System.out.println("START_ENTITY " + reader.getText());
- break;
- case END_ENTITY:
- System.out.println("END_ENTITY " + reader.getText());
- break;
- default:
- System.out.println("Unknown event: " + event);
- }
- }
- }
- catch (XMLStreamException e)
- {
- Location l = reader.getLocation();
- System.out.println("At line "+l.getLineNumber()+
- ", column "+l.getColumnNumber()+
- " of "+l.getSystemId());
- throw e;
- }
- pos++;
- }
- }
-
- /**
- * Escapes control characters in the specified text. For debugging.
- */
- private static String encodeText(String text)
- {
- CPStringBuilder b = new CPStringBuilder();
- int len = text.length();
- for (int i = 0; i < len; i++)
- {
- char c = text.charAt(i);
- switch (c)
- {
- case '\t':
- b.append("\\t");
- break;
- case '\n':
- b.append("\\n");
- break;
- case '\r':
- b.append("\\r");
- break;
- default:
- b.append(c);
- }
- }
- return b.toString();
- }
-
- /**
- * An attribute instance.
- */
- class Attribute
- {
-
- /**
- * Attribute name.
- */
- final String name;
-
- /**
- * Attribute type as declared in the DTD, or CDATA otherwise.
- */
- final String type;
-
- /**
- * Whether the attribute was specified or defaulted.
- */
- final boolean specified;
-
- /**
- * The attribute value.
- */
- final String value;
-
- /**
- * The namespace prefix.
- */
- final String prefix;
-
- /**
- * The namespace local-name.
- */
- final String localName;
-
- Attribute(String name, String type, boolean specified, String value)
- {
- this.name = name;
- this.type = type;
- this.specified = specified;
- this.value = value;
- int ci = name.indexOf(':');
- if (ci == -1)
- {
- prefix = null;
- localName = intern(name);
- }
- else
- {
- prefix = intern(name.substring(0, ci));
- localName = intern(name.substring(ci + 1));
- }
- }
-
- public boolean equals(Object other)
- {
- if (other instanceof Attribute)
- {
- Attribute a = (Attribute) other;
- if (namespaceAware)
- {
- if (!a.localName.equals(localName))
- return false;
- String auri = getNamespaceURI(a.prefix);
- String uri = getNamespaceURI(prefix);
- if (uri == null && (auri == null ||
- (input.xml11 && "".equals(auri))))
- return true;
- if (uri != null)
- {
- if ("".equals(uri) && input.xml11 && "".equals(auri))
- return true;
- return uri.equals(auri);
- }
- return false;
- }
- else
- return a.name.equals(name);
- }
- return false;
- }
-
- public String toString()
- {
- CPStringBuilder buf = new CPStringBuilder(getClass().getName());
- buf.append('[');
- buf.append("name=");
- buf.append(name);
- if (value != null)
- {
- buf.append(",value=");
- buf.append(value);
- }
- if (type != null)
- {
- buf.append(",type=");
- buf.append(type);
- }
- if (specified)
- buf.append(",specified");
- buf.append(']');
- return buf.toString();
- }
-
- }
-
- /**
- * Representation of a DTD.
- */
- class Doctype
- {
-
- /**
- * Name of the root element.
- */
- final String rootName;
-
- /**
- * Public ID, if any, of external subset.
- */
- final String publicId;
-
- /**
- * System ID (URL), if any, of external subset.
- */
- final String systemId;
-
- /**
- * Map of element names to content models.
- */
- private final LinkedHashMap elements = new LinkedHashMap();
-
- /**
- * Map of element names to maps of attribute declarations.
- */
- private final LinkedHashMap attlists = new LinkedHashMap();
-
- /**
- * Map of entity names to entities (String or ExternalIds).
- */
- private final LinkedHashMap entities = new LinkedHashMap();
-
- /**
- * Map of notation names to ExternalIds.
- */
- private final LinkedHashMap notations = new LinkedHashMap();
-
- /**
- * Map of anonymous keys to comments.
- */
- private final LinkedHashMap comments = new LinkedHashMap();
-
- /**
- * Map of anonymous keys to processing instructions (String[2]
- * containing {target, data}).
- */
- private final LinkedHashMap pis = new LinkedHashMap();
-
- /**
- * List of keys to all markup entries in the DTD.
- */
- private final LinkedList entries = new LinkedList();
-
- /**
- * Set of the entities defined in the external subset.
- */
- private final HashSet externalEntities = new HashSet();
-
- /**
- * Set of the notations defined in the external subset.
- */
- private final HashSet externalNotations = new HashSet();
-
- /**
- * Counter for making anonymous keys.
- */
- private int anon = 1;
-
- /**
- * Constructor.
- */
- Doctype(String rootName, String publicId, String systemId)
- {
- this.rootName = rootName;
- this.publicId = publicId;
- this.systemId = systemId;
- }
-
- /**
- * Adds an element declaration.
- * @param name the element name
- * @param text the content model text
- * @param model the parsed content model
- */
- void addElementDecl(String name, String text, ContentModel model)
- {
- if (elements.containsKey(name))
- return;
- model.text = text;
- model.external = (inputStack.size() != 1);
- elements.put(name, model);
- entries.add("E" + name);
- }
-
- /**
- * Adds an attribute declaration.
- * @param ename the element name
- * @param aname the attribute name
- * @param decl the attribute declaration details
- */
- void addAttributeDecl(String ename, String aname, AttributeDecl decl)
- {
- LinkedHashMap attlist = (LinkedHashMap) attlists.get(ename);
- if (attlist == null)
- {
- attlist = new LinkedHashMap();
- attlists.put(ename, attlist);
- }
- else if (attlist.containsKey(aname))
- return;
- attlist.put(aname, decl);
- String key = "A" + ename;
- if (!entries.contains(key))
- entries.add(key);
- }
-
- /**
- * Adds an entity declaration.
- * @param name the entity name
- * @param text the entity replacement text
- * @param inExternalSubset if we are in the exernal subset
- */
- void addEntityDecl(String name, String text, boolean inExternalSubset)
- {
- if (entities.containsKey(name))
- return;
- entities.put(name, text);
- entries.add("e" + name);
- if (inExternalSubset)
- externalEntities.add(name);
- }
-
- /**
- * Adds an entity declaration.
- * @param name the entity name
- * @param ids the external IDs
- * @param inExternalSubset if we are in the exernal subset
- */
- void addEntityDecl(String name, ExternalIds ids, boolean inExternalSubset)
- {
- if (entities.containsKey(name))
- return;
- entities.put(name, ids);
- entries.add("e" + name);
- if (inExternalSubset)
- externalEntities.add(name);
- }
-
- /**
- * Adds a notation declaration.
- * @param name the notation name
- * @param ids the external IDs
- * @param inExternalSubset if we are in the exernal subset
- */
- void addNotationDecl(String name, ExternalIds ids, boolean inExternalSubset)
- {
- if (notations.containsKey(name))
- return;
- notations.put(name, ids);
- entries.add("n" + name);
- if (inExternalSubset)
- externalNotations.add(name);
- }
-
- /**
- * Adds a comment.
- */
- void addComment(String text)
- {
- String key = Integer.toString(anon++);
- comments.put(key, text);
- entries.add("c" + key);
- }
-
- /**
- * Adds a processing instruction.
- */
- void addPI(String target, String data)
- {
- String key = Integer.toString(anon++);
- pis.put(key, new String[] {target, data});
- entries.add("p" + key);
- }
-
- /**
- * Returns the content model for the specified element.
- * @param name the element name
- */
- ContentModel getElementModel(String name)
- {
- return (ContentModel) elements.get(name);
- }
-
- /**
- * Returns the attribute definition for the given attribute
- * @param ename the element name
- * @param aname the attribute name
- */
- AttributeDecl getAttributeDecl(String ename, String aname)
- {
- LinkedHashMap attlist = (LinkedHashMap) attlists.get(ename);
- return (attlist == null) ? null : (AttributeDecl) attlist.get(aname);
- }
-
- /**
- * Indicates whether the specified attribute was declared in the DTD.
- * @param ename the element name
- * @param aname the attribute name
- */
- boolean isAttributeDeclared(String ename, String aname)
- {
- LinkedHashMap attlist = (LinkedHashMap) attlists.get(ename);
- return (attlist == null) ? false : attlist.containsKey(aname);
- }
-
- /**
- * Returns an iterator over the entries in the attribute list for the
- * given element.
- * @param ename the element name
- */
- Iterator attlistIterator(String ename)
- {
- LinkedHashMap attlist = (LinkedHashMap) attlists.get(ename);
- return (attlist == null) ? Collections.EMPTY_LIST.iterator() :
- attlist.entrySet().iterator();
- }
-
- /**
- * Returns the entity (String or ExternalIds) for the given entity name.
- */
- Object getEntity(String name)
- {
- return entities.get(name);
- }
-
- /**
- * Indicates whether the specified entity was declared in the external
- * subset.
- */
- boolean isEntityExternal(String name)
- {
- return externalEntities.contains(name);
- }
-
- /**
- * Returns an iterator over the entity map entries.
- */
- Iterator entityIterator()
- {
- return entities.entrySet().iterator();
- }
-
- /**
- * Returns the notation IDs for the given notation name.
- */
- ExternalIds getNotation(String name)
- {
- return (ExternalIds) notations.get(name);
- }
-
- /**
- * Indicates whether the specified notation was declared in the external
- * subset.
- */
- boolean isNotationExternal(String name)
- {
- return externalNotations.contains(name);
- }
-
- /**
- * Returns the comment associated with the specified (anonymous) key.
- */
- String getComment(String key)
- {
- return (String) comments.get(key);
- }
-
- /**
- * Returns the processing instruction associated with the specified
- * (anonymous) key.
- */
- String[] getPI(String key)
- {
- return (String[]) pis.get(key);
- }
-
- /**
- * Returns an iterator over the keys of the markup entries in this DTD,
- * in the order declared.
- */
- Iterator entryIterator()
- {
- return entries.iterator();
- }
-
- }
-
- /**
- * Combination of an ExternalID and an optional NDataDecl.
- */
- class ExternalIds
- {
-
- /**
- * The public ID.
- */
- String publicId;
-
- /**
- * The system ID.
- */
- String systemId;
-
- /**
- * The notation name declared with the NDATA keyword.
- */
- String notationName;
- }
-
- /**
- * A content model.
- */
- abstract class ContentModel
- {
- static final int EMPTY = 0;
- static final int ANY = 1;
- static final int ELEMENT = 2;
- static final int MIXED = 3;
-
- int min;
- int max;
- final int type;
- String text;
- boolean external;
-
- ContentModel(int type)
- {
- this.type = type;
- min = 1;
- max = 1;
- }
-
- }
-
- /**
- * The EMPTY content model.
- */
- class EmptyContentModel
- extends ContentModel
- {
-
- EmptyContentModel()
- {
- super(ContentModel.EMPTY);
- min = 0;
- max = 0;
- }
-
- }
-
- /**
- * The ANY content model.
- */
- class AnyContentModel
- extends ContentModel
- {
-
- AnyContentModel()
- {
- super(ContentModel.ANY);
- min = 0;
- max = -1;
- }
-
- }
-
- /**
- * An element content model.
- */
- class ElementContentModel
- extends ContentModel
- {
-
- LinkedList contentParticles;
- boolean or;
- String regex; // regular expression cache
-
- ElementContentModel()
- {
- super(ContentModel.ELEMENT);
- contentParticles = new LinkedList();
- }
-
- void addContentParticle(ContentParticle cp)
- {
- contentParticles.add(cp);
- }
-
- }
-
- class ContentParticle
- {
-
- int min = 1;
- int max = 1;
- Object content; // Name (String) or ElementContentModel
-
- }
-
- /**
- * A mixed content model.
- */
- class MixedContentModel
- extends ContentModel
- {
-
- private HashSet names;
-
- MixedContentModel()
- {
- super(ContentModel.MIXED);
- names = new HashSet();
- }
-
- void addName(String name)
- {
- names.add(name);
- }
-
- boolean containsName(String name)
- {
- return names.contains(name);
- }
-
- }
-
- /**
- * An attribute definition.
- */
- class AttributeDecl
- {
-
- /**
- * The attribute type (CDATA, ID, etc).
- */
- final String type;
-
- /**
- * The default value.
- */
- final String value;
-
- /**
- * The value type (#FIXED, #IMPLIED, etc).
- */
- final int valueType;
-
- /**
- * The enumeration text.
- */
- final String enumeration;
-
- /**
- * The enumeration tokens.
- */
- final HashSet values;
-
- /**
- * Whether this attribute declaration occurred in the external subset.
- */
- final boolean external;
-
- AttributeDecl(String type, String value,
- int valueType, String enumeration,
- HashSet values, boolean external)
- {
- this.type = type;
- this.value = value;
- this.valueType = valueType;
- this.enumeration = enumeration;
- this.values = values;
- this.external = external;
- }
-
- }
-
- /**
- * An XML input source.
- */
- static class Input
- implements Location
- {
-
- int line = 1, markLine;
- int column, markColumn;
- int offset, markOffset;
- final String publicId, systemId, name;
- final boolean report; // report start- and end-entity
- final boolean normalize; // normalize CR, etc to LF
-
- InputStream in;
- Reader reader;
- UnicodeReader unicodeReader;
- boolean initialized;
- boolean encodingDetected;
- String inputEncoding;
- boolean xml11;
-
- Input(InputStream in, Reader reader, String publicId, String systemId,
- String name, String inputEncoding, boolean report,
- boolean normalize)
- {
- if (inputEncoding == null)
- inputEncoding = "UTF-8";
- this.inputEncoding = inputEncoding;
- this.publicId = publicId;
- this.systemId = systemId;
- this.name = name;
- this.report = report;
- this.normalize = normalize;
- if (in != null)
- {
- if (reader != null)
- throw new IllegalStateException("both byte and char streams "+
- "specified");
- if (normalize)
- in = new CRLFInputStream(in);
- in = new BufferedInputStream(in);
- this.in = in;
- }
- else
- {
- this.reader = normalize ? new CRLFReader(reader) : reader;
- unicodeReader = new UnicodeReader(this.reader);
- }
- initialized = false;
- }
-
- // -- Location --
-
- public int getCharacterOffset()
- {
- return offset;
- }
-
- public int getColumnNumber()
- {
- return column;
- }
-
- public int getLineNumber()
- {
- return line;
- }
-
- public String getPublicId()
- {
- return publicId;
- }
-
- public String getSystemId()
- {
- return systemId;
- }
-
- void init()
- throws IOException
- {
- if (initialized)
- return;
- if (in != null)
- detectEncoding();
- initialized = true;
- }
-
- void mark(int len)
- throws IOException
- {
- markOffset = offset;
- markLine = line;
- markColumn = column;
- if (unicodeReader != null)
- unicodeReader.mark(len);
- else
- in.mark(len);
- }
-
- /**
- * Character read.
- */
- int read()
- throws IOException
- {
- offset++;
- int ret = (unicodeReader != null) ? unicodeReader.read() : in.read();
- if (normalize &&
- (ret == 0x0d || (xml11 && (ret == 0x85 || ret == 0x2028))))
- {
- // Normalize CR etc to LF
- ret = 0x0a;
- }
- // Locator handling
- if (ret == 0x0a)
- {
- line++;
- column = 0;
- }
- else
- column++;
- return ret;
- }
-
- /**
- * Block read.
- */
- int read(int[] b, int off, int len)
- throws IOException
- {
- int ret;
- if (unicodeReader != null)
- {
- ret = unicodeReader.read(b, off, len);
- }
- else
- {
- byte[] b2 = new byte[len];
- ret = in.read(b2, 0, len);
- if (ret != -1)
- {
- String s = new String(b2, 0, ret, inputEncoding);
- int[] c = UnicodeReader.toCodePointArray(s);
- ret = c.length;
- System.arraycopy(c, 0, b, off, ret);
- }
- }
- if (ret != -1)
- {
- // Locator handling
- for (int i = 0; i < ret; i++)
- {
- int c = b[off + i];
- if (normalize &&
- (c == 0x0d || (xml11 && (c == 0x85 || c == 0x2028))))
- {
- // Normalize CR etc to LF
- c = 0x0a;
- b[off + i] = c;
- }
- if (c == 0x0a)
- {
- line++;
- column = 0;
- }
- else
- column++;
- }
- }
- return ret;
- }
-
- void reset()
- throws IOException
- {
- if (unicodeReader != null)
- unicodeReader.reset();
- else
- in.reset();
- offset = markOffset;
- line = markLine;
- column = markColumn;
- }
-
- // Detection of input encoding
-
- private static final int[] SIGNATURE_UCS_4_1234 =
- new int[] { 0x00, 0x00, 0x00, 0x3c };
- private static final int[] SIGNATURE_UCS_4_4321 =
- new int[] { 0x3c, 0x00, 0x00, 0x00 };
- private static final int[] SIGNATURE_UCS_4_2143 =
- new int[] { 0x00, 0x00, 0x3c, 0x00 };
- private static final int[] SIGNATURE_UCS_4_3412 =
- new int[] { 0x00, 0x3c, 0x00, 0x00 };
- private static final int[] SIGNATURE_UCS_2_12 =
- new int[] { 0xfe, 0xff };
- private static final int[] SIGNATURE_UCS_2_21 =
- new int[] { 0xff, 0xfe };
- private static final int[] SIGNATURE_UCS_2_12_NOBOM =
- new int[] { 0x00, 0x3c, 0x00, 0x3f };
- private static final int[] SIGNATURE_UCS_2_21_NOBOM =
- new int[] { 0x3c, 0x00, 0x3f, 0x00 };
- private static final int[] SIGNATURE_UTF_8 =
- new int[] { 0x3c, 0x3f, 0x78, 0x6d };
- private static final int[] SIGNATURE_UTF_8_BOM =
- new int[] { 0xef, 0xbb, 0xbf };
-
- /**
- * Detect the input encoding.
- */
- private void detectEncoding()
- throws IOException
- {
- int[] signature = new int[4];
- in.mark(4);
- for (int i = 0; i < 4; i++)
- signature[i] = in.read();
- in.reset();
-
- // 4-byte encodings
- if (equals(SIGNATURE_UCS_4_1234, signature))
- {
- in.read();
- in.read();
- in.read();
- in.read();
- setInputEncoding("UTF-32BE");
- encodingDetected = true;
- }
- else if (equals(SIGNATURE_UCS_4_4321, signature))
- {
- in.read();
- in.read();
- in.read();
- in.read();
- setInputEncoding("UTF-32LE");
- encodingDetected = true;
- }
- else if (equals(SIGNATURE_UCS_4_2143, signature) ||
- equals(SIGNATURE_UCS_4_3412, signature))
- throw new UnsupportedEncodingException("unsupported UCS-4 byte ordering");
-
- // 2-byte encodings
- else if (equals(SIGNATURE_UCS_2_12, signature))
- {
- in.read();
- in.read();
- setInputEncoding("UTF-16BE");
- encodingDetected = true;
- }
- else if (equals(SIGNATURE_UCS_2_21, signature))
- {
- in.read();
- in.read();
- setInputEncoding("UTF-16LE");
- encodingDetected = true;
- }
- else if (equals(SIGNATURE_UCS_2_12_NOBOM, signature))
- {
- //setInputEncoding("UTF-16BE");
- throw new UnsupportedEncodingException("no byte-order mark for UCS-2 entity");
- }
- else if (equals(SIGNATURE_UCS_2_21_NOBOM, signature))
- {
- //setInputEncoding("UTF-16LE");
- throw new UnsupportedEncodingException("no byte-order mark for UCS-2 entity");
- }
- // ASCII-derived encodings
- else if (equals(SIGNATURE_UTF_8, signature))
- {
- // UTF-8 input encoding implied, TextDecl
- }
- else if (equals(SIGNATURE_UTF_8_BOM, signature))
- {
- in.read();
- in.read();
- in.read();
- setInputEncoding("UTF-8");
- encodingDetected = true;
- }
- }
-
- private static boolean equals(int[] b1, int[] b2)
- {
- for (int i = 0; i < b1.length; i++)
- {
- if (b1[i] != b2[i])
- return false;
- }
- return true;
- }
-
- void setInputEncoding(String encoding)
- throws IOException
- {
- if (encoding.equals(inputEncoding))
- return;
- if ("UTF-16".equalsIgnoreCase(encoding) &&
- inputEncoding.startsWith("UTF-16"))
- return;
- if (encodingDetected)
- throw new UnsupportedEncodingException("document is not in its " +
- "declared encoding " +
- inputEncoding +
- ": " + encoding);
- inputEncoding = encoding;
- finalizeEncoding();
- }
-
- void finalizeEncoding()
- throws IOException
- {
- if (reader != null)
- return;
- reader = new BufferedReader(new InputStreamReader(in, inputEncoding));
- unicodeReader = new UnicodeReader(reader);
- mark(1);
- }
-
- }
-
-}