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 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
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package com.sun.org.apache.xerces.internal.parsers;

import com.sun.org.apache.xerces.internal.impl.dtd.DTDGrammar;
import com.sun.org.apache.xerces.internal.util.SymbolTable;

import com.sun.org.apache.xerces.internal.xni.Augmentations;
import com.sun.org.apache.xerces.internal.xni.XMLString;
import com.sun.org.apache.xerces.internal.xni.XMLDTDContentModelHandler;
import com.sun.org.apache.xerces.internal.xni.XMLDTDHandler;
import com.sun.org.apache.xerces.internal.xni.XMLLocator;
import com.sun.org.apache.xerces.internal.xni.XNIException;
import com.sun.org.apache.xerces.internal.xni.parser.XMLDTDScanner;
import com.sun.org.apache.xerces.internal.xni.XMLResourceIdentifier;

/**
 */
public abstract class DTDParser
    extends XMLGrammarParser
    implements XMLDTDHandler, XMLDTDContentModelHandler {

    //
    // Data
    //

    
fDTDScanner 
/** fDTDScanner */
    protected XMLDTDScanner fDTDScanner;

    //
    // Constructors
    //

    
Params:
  • symbolTable – 
/**
     *
     *
     * @param symbolTable
     */
    public DTDParser(SymbolTable symbolTable) {
        super(symbolTable);
    }

    //
    // Methods
    //

    
getDTDGrammar

Returns:the grammar created by this parser
/**
     * getDTDGrammar
     *
     * @return the grammar created by this parser
     */
    public DTDGrammar getDTDGrammar() {
        return null;
    } // getDTDGrammar

    //
    // XMLDTDHandler methods
    //

    
This method notifies of the start of an entity. The DTD has the
pseudo-name of "[dtd]" and parameter entity names start with '%'.


Note: Since the DTD is an entity, the handler
will be notified of the start of the DTD entity by calling the
startEntity method with the entity name "[dtd]" before calling
the startDTD method.

Params:
  • name –     The name of the entity.
  • publicId – The public identifier of the entity if the entity
                is external, null otherwise.
  • systemId – The system identifier of the entity if the entity
                is external, null otherwise.
  • encoding – The auto-detected IANA encoding name of the entity
                stream. This value will be null in those situations
                where the entity encoding is not auto-detected (e.g.
                internal parameter entities).
Throws:
/**
     * This method notifies of the start of an entity. The DTD has the
     * pseudo-name of "[dtd]" and parameter entity names start with '%'.
     * <p>
     * <strong>Note:</strong> Since the DTD is an entity, the handler
     * will be notified of the start of the DTD entity by calling the
     * startEntity method with the entity name "[dtd]" <em>before</em> calling
     * the startDTD method.
     *
     * @param name     The name of the entity.
     * @param publicId The public identifier of the entity if the entity
     *                 is external, null otherwise.
     * @param systemId The system identifier of the entity if the entity
     *                 is external, null otherwise.
     * @param encoding The auto-detected IANA encoding name of the entity
     *                 stream. This value will be null in those situations
     *                 where the entity encoding is not auto-detected (e.g.
     *                 internal parameter entities).
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void startEntity(String name, String publicId, String systemId,
                            String encoding) throws XNIException {
    }

    
Notifies of the presence of a TextDecl line in an entity. If present,
this method will be called immediately following the startEntity call.


Note: This method is only called for external
parameter entities referenced in the DTD.

Params:
  • version –  The XML version, or null if not specified.
  • encoding – The IANA encoding name of the entity.
Throws:
/**
     * Notifies of the presence of a TextDecl line in an entity. If present,
     * this method will be called immediately following the startEntity call.
     * <p>
     * <strong>Note:</strong> This method is only called for external
     * parameter entities referenced in the DTD.
     *
     * @param version  The XML version, or null if not specified.
     * @param encoding The IANA encoding name of the entity.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void textDecl(String version, String encoding) throws XNIException {
    }

    
The start of the DTD.

Throws:
  • XNIException – Thrown by handler to signal an error.
/**
     * The start of the DTD.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void startDTD(XMLLocator locator, Augmentations augmentations)
                         throws XNIException {
    }

    
A comment.

Params:
  • text – The text in the comment.
Throws:
/**
     * A comment.
     *
     * @param text The text in the comment.
     *
     * @throws XNIException Thrown by application to signal an error.
     */
    public void comment(XMLString text, Augmentations augmentations) throws XNIException {
    } // comment

    
A processing instruction. Processing instructions consist of a
target name and, optionally, text data. The data is only meaningful
to the application.


Typically, a processing instruction's data will contain a series
of pseudo-attributes. These pseudo-attributes follow the form of
element attributes but are not parsed or presented
to the application as anything other than text. The application is
responsible for parsing the data.

Params:
  • target – The target.
  • data –   The data or null if none specified.
Throws:
/**
     * A processing instruction. Processing instructions consist of a
     * target name and, optionally, text data. The data is only meaningful
     * to the application.
     * <p>
     * Typically, a processing instruction's data will contain a series
     * of pseudo-attributes. These pseudo-attributes follow the form of
     * element attributes but are <strong>not</strong> parsed or presented
     * to the application as anything other than text. The application is
     * responsible for parsing the data.
     *
     * @param target The target.
     * @param data   The data or null if none specified.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void processingInstruction(String target, XMLString data,
                                      Augmentations augmentations)
        throws XNIException {
    } // processingInstruction

    
The start of the external subset.

Throws:
  • XNIException – Thrown by handler to signal an error.
/**
     * The start of the external subset.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void startExternalSubset(XMLResourceIdentifier identifier,
                                    Augmentations augmentations)  throws XNIException {
    } // startExternalSubset

    
The end of the external subset.

Throws:
  • XNIException – Thrown by handler to signal an error.
/**
     * The end of the external subset.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endExternalSubset(Augmentations augmentations) throws XNIException {
    } // endExternalSubset

    
An element declaration.

Params:
  • name –         The name of the element.
  • contentModel – The element content model.
Throws:
/**
     * An element declaration.
     *
     * @param name         The name of the element.
     * @param contentModel The element content model.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void elementDecl(String name, String contentModel,
                            Augmentations augmentations)
        throws XNIException {
    } // elementDecl

    
The start of an attribute list.

Params:
  • elementName – The name of the element that this attribute
                   list is associated with.
Throws:
/**
     * The start of an attribute list.
     *
     * @param elementName The name of the element that this attribute
     *                    list is associated with.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void startAttlist(String elementName,
                             Augmentations augmentations) throws XNIException {
    } // startAttlist

    
An attribute declaration.

Params:
  • elementName –   The name of the element that this attribute
                     is associated with.
  • attributeName – The name of the attribute.
  • type –          The attribute type. This value will be one of
                     the following: "CDATA", "ENTITY", "ENTITIES",
                     "ENUMERATION", "ID", "IDREF", "IDREFS",
                     "NMTOKEN", "NMTOKENS", or "NOTATION".
  • enumeration –   If the type has the value "ENUMERATION", this
                     array holds the allowed attribute values;
                     otherwise, this array is null.
  • defaultType –   The attribute default type. This value will be
                     one of the following: "#FIXED", "#IMPLIED",
                     "#REQUIRED", or null.
  • defaultValue –  The attribute default value, or null if no
                     default value is specified.
Throws:
/**
     * An attribute declaration.
     *
     * @param elementName   The name of the element that this attribute
     *                      is associated with.
     * @param attributeName The name of the attribute.
     * @param type          The attribute type. This value will be one of
     *                      the following: "CDATA", "ENTITY", "ENTITIES",
     *                      "ENUMERATION", "ID", "IDREF", "IDREFS",
     *                      "NMTOKEN", "NMTOKENS", or "NOTATION".
     * @param enumeration   If the type has the value "ENUMERATION", this
     *                      array holds the allowed attribute values;
     *                      otherwise, this array is null.
     * @param defaultType   The attribute default type. This value will be
     *                      one of the following: "#FIXED", "#IMPLIED",
     *                      "#REQUIRED", or null.
     * @param defaultValue  The attribute default value, or null if no
     *                      default value is specified.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void attributeDecl(String elementName, String attributeName,
                              String type, String[] enumeration,
                              String defaultType, XMLString defaultValue,
                              XMLString nonNormalizedDefaultValue, Augmentations augmentations)
        throws XNIException {
    } // attributeDecl

    
The end of an attribute list.

Throws:
  • XNIException – Thrown by handler to signal an error.
/**
     * The end of an attribute list.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endAttlist(Augmentations augmentations) throws XNIException {
    } // endAttlist

    
An internal entity declaration.

Params:
  • name – The name of the entity. Parameter entity names start with
            '%', whereas the name of a general entity is just the
            entity name.
  • text – The value of the entity.
  • nonNormalizedText – The non-normalized value of the entity. This
            value contains the same sequence of characters that was in
            the internal entity declaration, without any entity
            references expanded.
Throws:
/**
     * An internal entity declaration.
     *
     * @param name The name of the entity. Parameter entity names start with
     *             '%', whereas the name of a general entity is just the
     *             entity name.
     * @param text The value of the entity.
     * @param nonNormalizedText The non-normalized value of the entity. This
     *             value contains the same sequence of characters that was in
     *             the internal entity declaration, without any entity
     *             references expanded.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void internalEntityDecl(String name, XMLString text,
                                   XMLString nonNormalizedText,
                                   Augmentations augmentations)
        throws XNIException {
    } // internalEntityDecl(String,XMLString,XMLString)

    
An external entity declaration.

Params:
  • name –     The name of the entity. Parameter entity names start
                with '%', whereas the name of a general entity is just
                the entity name.
  • identifier –    An object containing all location information
                     pertinent to this entity.
  • augmentations – Additional information that may include infoset
                     augmentations.
Throws:
/**
     * An external entity declaration.
     *
     * @param name     The name of the entity. Parameter entity names start
     *                 with '%', whereas the name of a general entity is just
     *                 the entity name.
     * @param identifier    An object containing all location information
     *                      pertinent to this entity.
     * @param augmentations Additional information that may include infoset
     *                      augmentations.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void externalEntityDecl(String name,
                                   XMLResourceIdentifier identifier,
                                   Augmentations augmentations)
        throws XNIException {
    } // externalEntityDecl

    
An unparsed entity declaration.

Params:
  • name –     The name of the entity.
  • identifier –    An object containing all location information
                     pertinent to this entity.
  • notation – The name of the notation.
  • augmentations – Additional information that may include infoset
                     augmentations.
Throws:
/**
     * An unparsed entity declaration.
     *
     * @param name     The name of the entity.
     * @param identifier    An object containing all location information
     *                      pertinent to this entity.
     * @param notation The name of the notation.
     *
     * @param augmentations Additional information that may include infoset
     *                      augmentations.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void unparsedEntityDecl(String name,
                                   XMLResourceIdentifier identifier,
                                   String notation, Augmentations augmentations)
        throws XNIException {
    } // unparsedEntityDecl

    
A notation declaration

Params:
  • name –     The name of the notation.
  • identifier –    An object containing all location information
                     pertinent to this notation.
  • augmentations – Additional information that may include infoset
                     augmentations.
Throws:
/**
     * A notation declaration
     *
     * @param name     The name of the notation.
     * @param identifier    An object containing all location information
     *                      pertinent to this notation.
     * @param augmentations Additional information that may include infoset
     *                      augmentations.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void notationDecl(String name, XMLResourceIdentifier identifier,
                             Augmentations augmentations)
        throws XNIException {
    } // notationDecl

    
The start of a conditional section.

Params:
  • type – The type of the conditional section. This value will
            either be CONDITIONAL_INCLUDE or CONDITIONAL_IGNORE.
Throws:
See Also:
/**
     * The start of a conditional section.
     *
     * @param type The type of the conditional section. This value will
     *             either be CONDITIONAL_INCLUDE or CONDITIONAL_IGNORE.
     *
     * @throws XNIException Thrown by handler to signal an error.
     *
     * @see XMLDTDHandler#CONDITIONAL_INCLUDE
     * @see XMLDTDHandler#CONDITIONAL_IGNORE
     */
    public void startConditional(short type, Augmentations augmentations) throws XNIException {
    } // startConditional

    
The end of a conditional section.

Throws:
  • XNIException – Thrown by handler to signal an error.
/**
     * The end of a conditional section.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endConditional(Augmentations augmentations) throws XNIException {
    } // endConditional

    
The end of the DTD.

Throws:
  • XNIException – Thrown by handler to signal an error.
/**
     * The end of the DTD.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endDTD(Augmentations augmentations) throws XNIException {
    } // endDTD

    
This method notifies the end of an entity. The DTD has the pseudo-name
of "[dtd]" and parameter entity names start with '%'.


Note: Since the DTD is an entity, the handler
will be notified of the end of the DTD entity by calling the
endEntity method with the entity name "[dtd]" after calling
the endDTD method.

Params:
  • name – The name of the entity.
Throws:
/**
     * This method notifies the end of an entity. The DTD has the pseudo-name
     * of "[dtd]" and parameter entity names start with '%'.
     * <p>
     * <strong>Note:</strong> Since the DTD is an entity, the handler
     * will be notified of the end of the DTD entity by calling the
     * endEntity method with the entity name "[dtd]" <em>after</em> calling
     * the endDTD method.
     *
     * @param name The name of the entity.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endEntity(String name, Augmentations augmentations) throws XNIException {
    }

    //
    // XMLDTDContentModelHandler methods
    //

    
The start of a content model. Depending on the type of the content
model, specific methods may be called between the call to the
startContentModel method and the call to the endContentModel method.

Params:
  • elementName – The name of the element.
  • type –        The content model type.
Throws:
See Also:
/**
     * The start of a content model. Depending on the type of the content
     * model, specific methods may be called between the call to the
     * startContentModel method and the call to the endContentModel method.
     *
     * @param elementName The name of the element.
     * @param type        The content model type.
     *
     * @throws XNIException Thrown by handler to signal an error.
     *
     * @see com.sun.org.apache.xerces.internal.impl.dtd.XMLElementDecl#TYPE_EMPTY
     * @see com.sun.org.apache.xerces.internal.impl.dtd.XMLElementDecl#TYPE_ANY
     * @see com.sun.org.apache.xerces.internal.impl.dtd.XMLElementDecl#TYPE_MIXED
     * @see com.sun.org.apache.xerces.internal.impl.dtd.XMLElementDecl#TYPE_CHILDREN
     */
    public void startContentModel(String elementName, short type)
        throws XNIException {
    } // startContentModel

    
A referenced element in a mixed content model. If the mixed content
model only allows text content, then this method will not be called
for that model. However, if this method is called for a mixed
content model, then the zero or more occurrence count is implied.


Note: This method is only called after a call to
the startContentModel method where the type is TYPE_MIXED.

Params:
  • elementName – The name of the referenced element.
Throws:
See Also:
/**
     * A referenced element in a mixed content model. If the mixed content
     * model only allows text content, then this method will not be called
     * for that model. However, if this method is called for a mixed
     * content model, then the zero or more occurrence count is implied.
     * <p>
     * <strong>Note:</strong> This method is only called after a call to
     * the startContentModel method where the type is TYPE_MIXED.
     *
     * @param elementName The name of the referenced element.
     *
     * @throws XNIException Thrown by handler to signal an error.
     *
     * @see com.sun.org.apache.xerces.internal.impl.dtd.XMLElementDecl#TYPE_MIXED
     */
    public void mixedElement(String elementName) throws XNIException {
    } // mixedElement

    
The start of a children group.


Note: This method is only called after a call to
the startContentModel method where the type is TYPE_CHILDREN.


Note: Children groups can be nested and have
associated occurrence counts.

Throws:
  • XNIException – Thrown by handler to signal an error.
See Also:
/**
     * The start of a children group.
     * <p>
     * <strong>Note:</strong> This method is only called after a call to
     * the startContentModel method where the type is TYPE_CHILDREN.
     * <p>
     * <strong>Note:</strong> Children groups can be nested and have
     * associated occurrence counts.
     *
     * @throws XNIException Thrown by handler to signal an error.
     *
     * @see com.sun.org.apache.xerces.internal.impl.dtd.XMLElementDecl#TYPE_CHILDREN
     */
    public void childrenStartGroup() throws XNIException {
    } // childrenStartGroup

    
A referenced element in a children content model.

Params:
  • elementName – The name of the referenced element.
Throws:
See Also:
/**
     * A referenced element in a children content model.
     *
     * @param elementName The name of the referenced element.
     *
     * @throws XNIException Thrown by handler to signal an error.
     *
     * @see com.sun.org.apache.xerces.internal.impl.dtd.XMLElementDecl#TYPE_CHILDREN
     */
    public void childrenElement(String elementName) throws XNIException {
    } // childrenElement

    
The separator between choices or sequences of a children content
model.


Note: This method is only called after a call to
the startContentModel method where the type is TYPE_CHILDREN.

Params:
  • separator – The type of children separator.
Throws:
See Also:
/**
     * The separator between choices or sequences of a children content
     * model.
     * <p>
     * <strong>Note:</strong> This method is only called after a call to
     * the startContentModel method where the type is TYPE_CHILDREN.
     *
     * @param separator The type of children separator.
     *
     * @throws XNIException Thrown by handler to signal an error.
     *
     * @see XMLDTDContentModelHandler#SEPARATOR_CHOICE
     * @see XMLDTDContentModelHandler#SEPARATOR_SEQUENCE
     * @see com.sun.org.apache.xerces.internal.impl.dtd.XMLElementDecl#TYPE_CHILDREN
     */
    public void childrenSeparator(short separator) throws XNIException {
    } // childrenSeparator

    
The occurrence count for a child in a children content model.


Note: This method is only called after a call to
the startContentModel method where the type is TYPE_CHILDREN.

Params:
  • occurrence – The occurrence count for the last children element
                  or children group.
Throws:
See Also:
/**
     * The occurrence count for a child in a children content model.
     * <p>
     * <strong>Note:</strong> This method is only called after a call to
     * the startContentModel method where the type is TYPE_CHILDREN.
     *
     * @param occurrence The occurrence count for the last children element
     *                   or children group.
     *
     * @throws XNIException Thrown by handler to signal an error.
     *
     * @see XMLDTDContentModelHandler#OCCURS_ZERO_OR_ONE
     * @see XMLDTDContentModelHandler#OCCURS_ZERO_OR_MORE
     * @see XMLDTDContentModelHandler#OCCURS_ONE_OR_MORE
     * @see com.sun.org.apache.xerces.internal.impl.dtd.XMLElementDecl#TYPE_CHILDREN
     */
    public void childrenOccurrence(short occurrence) throws XNIException {
    } // childrenOccurrence

    
The end of a children group.


Note: This method is only called after a call to
the startContentModel method where the type is TYPE_CHILDREN.

See Also:
  • TYPE_CHILDREN.TYPE_CHILDREN
/**
     * The end of a children group.
     * <p>
     * <strong>Note:</strong> This method is only called after a call to
     * the startContentModel method where the type is TYPE_CHILDREN.
     *
     * @see com.sun.org.apache.xerces.internal.impl.dtd.XMLElementDecl#TYPE_CHILDREN
     */
    public void childrenEndGroup() throws XNIException {
    } // childrenEndGroup

    
The end of a content model.

Throws:
  • XNIException – Thrown by handler to signal an error.
/**
     * The end of a content model.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endContentModel() throws XNIException {
    } // endContentModel

} // class DTDParser