org.apache.xerces.parsers.DTDParser Maven / Gradle / Ivy
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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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xerces.parsers;
import org.apache.xerces.impl.dtd.DTDGrammar;
import org.apache.xerces.util.SymbolTable;
import org.apache.xerces.xni.Augmentations;
import org.apache.xerces.xni.XMLDTDContentModelHandler;
import org.apache.xerces.xni.XMLDTDHandler;
import org.apache.xerces.xni.XMLLocator;
import org.apache.xerces.xni.XMLResourceIdentifier;
import org.apache.xerces.xni.XMLString;
import org.apache.xerces.xni.XNIException;
import org.apache.xerces.xni.parser.XMLDTDScanner;
/**
* @version $Id: DTDParser.java 699892 2008-09-28 21:08:27Z mrglavas $
*/
public abstract class DTDParser
extends XMLGrammarParser
implements XMLDTDHandler, XMLDTDContentModelHandler {
//
// Data
//
/** fDTDScanner */
protected XMLDTDScanner fDTDScanner;
//
// Constructors
//
/**
*
*
* @param symbolTable
*/
public DTDParser(SymbolTable symbolTable) {
super(symbolTable);
}
//
// Methods
//
/**
* 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.
*
* @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.
*
* @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.
*/
public void startDTD(XMLLocator locator, Augmentations augmentations)
throws XNIException {
}
/**
* 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.
*
* @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.
*/
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.
*/
public void endExternalSubset(Augmentations augmentations) throws XNIException {
} // endExternalSubset
/**
* 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.
*
* @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.
*
* @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.
*/
public void endAttlist(Augmentations augmentations) throws XNIException {
} // endAttlist
/**
* 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.
*
* @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.
*
* @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
*
* @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.
*
* @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.
*/
public void endConditional(Augmentations augmentations) throws XNIException {
} // endConditional
/**
* 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.
*
* @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.
*
* @param elementName The name of the element.
* @param type The content model type.
*
* @throws XNIException Thrown by handler to signal an error.
*
* @see org.apache.xerces.impl.dtd.XMLElementDecl#TYPE_EMPTY
* @see org.apache.xerces.impl.dtd.XMLElementDecl#TYPE_ANY
* @see org.apache.xerces.impl.dtd.XMLElementDecl#TYPE_MIXED
* @see org.apache.xerces.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.
*
* @param elementName The name of the referenced element.
*
* @throws XNIException Thrown by handler to signal an error.
*
* @see org.apache.xerces.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 org.apache.xerces.impl.dtd.XMLElementDecl#TYPE_CHILDREN
*/
public void childrenStartGroup() throws XNIException {
} // childrenStartGroup
/**
* 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 org.apache.xerces.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.
*
* @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 org.apache.xerces.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.
*
* @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 org.apache.xerces.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 org.apache.xerces.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.
*/
public void endContentModel() throws XNIException {
} // endContentModel
} // class DTDParser