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XML Schema Object Model (XSOM) is a Java library that allows applications to easily parse XML Schema
documents and inspect information in them. It is expected to be useful for applications that need to take XML
Schema as an input.
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/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.xsom.impl.parser.state;
/*-
* #%L
* XSOM
* %%
* Copyright (C) 2019 - 2020 Entur
* %%
* Licensed under the EUPL, Version 1.1 or – as soon they will be
* approved by the European Commission - subsequent versions of the
* EUPL (the "Licence");
*
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
*
* http://ec.europa.eu/idabc/eupl5
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the Licence is distributed on an "AS IS" basis,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Licence for the specific language governing permissions and
* limitations under the Licence.
* #L%
*/
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
*
*
* @version $Id: NGCCHandler.java,v 1.9 2002/09/29 02:55:48 okajima Exp $
* @author Kohsuke Kawaguchi ([email protected])
*/
public abstract class NGCCHandler implements NGCCEventReceiver {
protected NGCCHandler( NGCCEventSource source, NGCCHandler parent, int parentCookie ) {
_parent = parent;
_source = source;
_cookie = parentCookie;
}
/**
* Parent NGCCHandler, if any.
* If this is the root handler, this field will be null.
*/
protected final NGCCHandler _parent;
/**
* Event source.
*/
protected final NGCCEventSource _source;
/**
* This method will be implemented by the generated code
* and returns a reference to the current runtime.
*/
protected abstract NGCCRuntime getRuntime();
/**
* Cookie assigned by the parent.
*
* This value will be passed to the onChildCompleted handler
* of the parent.
*/
protected final int _cookie;
// used to copy parameters to (enter|leave)(Element|Attribute) events.
//protected String localName,uri,qname;
/**
* Notifies the completion of a child object.
*
* @param result
* The parsing result of the child state.
* @param cookie
* The cookie value passed to the child object
* when it is created.
* @param needAttCheck
* This flag is true when the callee needs to call the
* processAttribute method to check attribute transitions.
* This flag is set to false when this method is triggered by
* attribute transition.
*/
protected abstract void onChildCompleted( Object result, int cookie, boolean needAttCheck ) throws SAXException;
//
//
// spawns a new child object from event handlers.
//
//
public void spawnChildFromEnterElement( NGCCEventReceiver child,
String uri, String localname, String qname, Attributes atts) throws SAXException {
int id = _source.replace(this,child);
_source.sendEnterElement(id,uri,localname,qname,atts);
}
public void spawnChildFromEnterAttribute( NGCCEventReceiver child,
String uri, String localname, String qname) throws SAXException {
int id = _source.replace(this,child);
_source.sendEnterAttribute(id,uri,localname,qname);
}
public void spawnChildFromLeaveElement( NGCCEventReceiver child,
String uri, String localname, String qname) throws SAXException {
int id = _source.replace(this,child);
_source.sendLeaveElement(id,uri,localname,qname);
}
public void spawnChildFromLeaveAttribute( NGCCEventReceiver child,
String uri, String localname, String qname) throws SAXException {
int id = _source.replace(this,child);
_source.sendLeaveAttribute(id,uri,localname,qname);
}
public void spawnChildFromText( NGCCEventReceiver child,
String value) throws SAXException {
int id = _source.replace(this,child);
_source.sendText(id,value);
}
//
//
// reverts to the parent object from the child handler
//
//
public void revertToParentFromEnterElement( Object result, int cookie,
String uri,String local,String qname, Attributes atts ) throws SAXException {
int id = _source.replace(this,_parent);
_parent.onChildCompleted(result,cookie,true);
_source.sendEnterElement(id,uri,local,qname,atts);
}
public void revertToParentFromLeaveElement( Object result, int cookie,
String uri,String local,String qname ) throws SAXException {
if(uri==NGCCRuntime.IMPOSSIBLE && uri==local && uri==qname && _parent==null )
// all the handlers are properly finalized.
// quit now, because we don't have any more NGCCHandler.
// see the endDocument handler for detail
return;
int id = _source.replace(this,_parent);
_parent.onChildCompleted(result,cookie,true);
_source.sendLeaveElement(id,uri,local,qname);
}
public void revertToParentFromEnterAttribute( Object result, int cookie,
String uri,String local,String qname ) throws SAXException {
int id = _source.replace(this,_parent);
_parent.onChildCompleted(result,cookie,true);
_source.sendEnterAttribute(id,uri,local,qname);
}
public void revertToParentFromLeaveAttribute( Object result, int cookie,
String uri,String local,String qname ) throws SAXException {
int id = _source.replace(this,_parent);
_parent.onChildCompleted(result,cookie,true);
_source.sendLeaveAttribute(id,uri,local,qname);
}
public void revertToParentFromText( Object result, int cookie,
String text ) throws SAXException {
int id = _source.replace(this,_parent);
_parent.onChildCompleted(result,cookie,true);
_source.sendText(id,text);
}
//
//
// error handler
//
//
public void unexpectedEnterElement(String qname) throws SAXException {
getRuntime().unexpectedX('<'+qname+'>');
}
public void unexpectedLeaveElement(String qname) throws SAXException {
getRuntime().unexpectedX("');
}
public void unexpectedEnterAttribute(String qname) throws SAXException {
getRuntime().unexpectedX('@'+qname);
}
public void unexpectedLeaveAttribute(String qname) throws SAXException {
getRuntime().unexpectedX("/@"+qname);
}
}