| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.internal.jxc.gen.config; |
| |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * Dispatches incoming events into sub handlers appropriately |
| * so that the interleaving semantics will be correctly realized. |
| * |
| * <p><b> |
| * Auto-generated, do not edit. |
| * </b></p> |
| * @author Kohsuke Kawaguchi (kk@kohsuke.org) |
| */ |
| public abstract class NGCCInterleaveFilter implements NGCCEventSource, NGCCEventReceiver { |
| protected NGCCInterleaveFilter( NGCCHandler parent, int cookie ) { |
| this._parent = parent; |
| this._cookie = cookie; |
| } |
| |
| protected void setHandlers( NGCCEventReceiver[] receivers ) { |
| this._receivers = receivers; |
| } |
| |
| /** event receiverse. */ |
| protected NGCCEventReceiver[] _receivers; |
| |
| public int replace(NGCCEventReceiver oldHandler, NGCCEventReceiver newHandler) { |
| for( int i=0; i<_receivers.length; i++ ) |
| if( _receivers[i]==oldHandler ) { |
| _receivers[i]=newHandler; |
| return i; |
| } |
| throw new InternalError(); // a bug in RelaxNGCC. |
| } |
| |
| |
| /** Parent handler. */ |
| private final NGCCHandler _parent; |
| /** Cookie given by the parent. */ |
| private final int _cookie; |
| |
| |
| |
| // |
| // |
| // event handler |
| // |
| // |
| /** |
| * Receiver that is being locked and therefore receives all the events. |
| * <pre><xmp> |
| * <interleave> |
| * <element name="foo"/> |
| * <element name="bar"> |
| * <element name="foo"/> |
| * </element> |
| * </interlaeve> |
| * </xmp></pre> |
| * When processing inside the bar element, this receiver is |
| * "locked" so that it can correctly receive its child foo element. |
| */ |
| private int lockedReceiver; |
| /** |
| * Nest level. Lock will be release when the lockCount becomes 0. |
| */ |
| private int lockCount=0; |
| |
| public void enterElement( |
| String uri, String localName, String qname,Attributes atts) throws SAXException { |
| |
| if(isJoining) return; // ignore any token if we are joining. See joinByXXXX. |
| |
| if(lockCount++==0) { |
| lockedReceiver = findReceiverOfElement(uri,localName); |
| if(lockedReceiver==-1) { |
| // we can't process this token. join. |
| joinByEnterElement(null,uri,localName,qname,atts); |
| return; |
| } |
| } |
| |
| _receivers[lockedReceiver].enterElement(uri,localName,qname,atts); |
| } |
| public void leaveElement(String uri, String localName, String qname) throws SAXException { |
| if(isJoining) return; // ignore any token if we are joining. See joinByXXXX. |
| |
| if( lockCount-- == 0 ) |
| joinByLeaveElement(null,uri,localName,qname); |
| else |
| _receivers[lockedReceiver].leaveElement(uri,localName,qname); |
| } |
| public void enterAttribute(String uri, String localName, String qname) throws SAXException { |
| if(isJoining) return; // ignore any token if we are joining. See joinByXXXX. |
| |
| if(lockCount++==0) { |
| lockedReceiver = findReceiverOfAttribute(uri,localName); |
| if(lockedReceiver==-1) { |
| // we can't process this token. join. |
| joinByEnterAttribute(null,uri,localName,qname); |
| return; |
| } |
| } |
| |
| _receivers[lockedReceiver].enterAttribute(uri,localName,qname); |
| } |
| public void leaveAttribute(String uri, String localName, String qname) throws SAXException { |
| if(isJoining) return; // ignore any token if we are joining. See joinByXXXX. |
| |
| if( lockCount-- == 0 ) |
| joinByLeaveAttribute(null,uri,localName,qname); |
| else |
| _receivers[lockedReceiver].leaveAttribute(uri,localName,qname); |
| } |
| public void text(String value) throws SAXException { |
| if(isJoining) return; // ignore any token if we are joining. See joinByXXXX. |
| |
| if(lockCount!=0) |
| _receivers[lockedReceiver].text(value); |
| else { |
| int receiver = findReceiverOfText(); |
| if(receiver!=-1) _receivers[receiver].text(value); |
| else joinByText(null,value); |
| } |
| } |
| |
| |
| |
| /** |
| * Implemented by the generated code to determine the handler |
| * that can receive the given element. |
| * |
| * @return |
| * Thread ID of the receiver that can handle this event, |
| * or -1 if none. |
| */ |
| protected abstract int findReceiverOfElement( String uri, String local ); |
| |
| /** |
| * Returns the handler that can receive the given attribute, or null. |
| */ |
| protected abstract int findReceiverOfAttribute( String uri, String local ); |
| |
| /** |
| * Returns the handler that can receive text events, or null. |
| */ |
| protected abstract int findReceiverOfText(); |
| |
| |
| |
| |
| // |
| // |
| // join method |
| // |
| // |
| |
| |
| /** |
| * Set to true when this handler is in the process of |
| * joining all branches. |
| */ |
| private boolean isJoining = false; |
| |
| /** |
| * Joins all the child receivers. |
| * |
| * <p> |
| * This method is called by a child receiver when it sees |
| * something that it cannot handle, or by this object itself |
| * when it sees an event that it can't process. |
| * |
| * <p> |
| * This method forces children to move to its final state, |
| * then revert to the parent. |
| * |
| * @param source |
| * If this method is called by one of the child receivers, |
| * the receiver object. If this method is called by itself, |
| * null. |
| */ |
| public void joinByEnterElement( NGCCEventReceiver source, |
| String uri, String local, String qname, Attributes atts ) throws SAXException { |
| |
| if(isJoining) return; // we are already in the process of joining. ignore. |
| isJoining = true; |
| |
| // send special token to the rest of the branches. |
| // these branches don't understand this token, so they will |
| // try to move to a final state and send the token back to us, |
| // which this object will ignore (because isJoining==true) |
| // Otherwise branches will find an error. |
| for( int i=0; i<_receivers.length; i++ ) |
| if( _receivers[i]!=source ) |
| _receivers[i].enterElement(uri,local,qname,atts); |
| |
| // revert to the parent |
| _parent._source.replace(this,_parent); |
| _parent.onChildCompleted(null,_cookie,true); |
| // send this event to the parent |
| _parent.enterElement(uri,local,qname,atts); |
| } |
| |
| public void joinByLeaveElement( NGCCEventReceiver source, |
| String uri, String local, String qname ) throws SAXException { |
| |
| if(isJoining) return; // we are already in the process of joining. ignore. |
| isJoining = true; |
| |
| // send special token to the rest of the branches. |
| // these branches don't understand this token, so they will |
| // try to move to a final state and send the token back to us, |
| // which this object will ignore (because isJoining==true) |
| // Otherwise branches will find an error. |
| for( int i=0; i<_receivers.length; i++ ) |
| if( _receivers[i]!=source ) |
| _receivers[i].leaveElement(uri,local,qname); |
| |
| // revert to the parent |
| _parent._source.replace(this,_parent); |
| _parent.onChildCompleted(null,_cookie,true); |
| // send this event to the parent |
| _parent.leaveElement(uri,local,qname); |
| } |
| |
| public void joinByEnterAttribute( NGCCEventReceiver source, |
| String uri, String local, String qname ) throws SAXException { |
| |
| if(isJoining) return; // we are already in the process of joining. ignore. |
| isJoining = true; |
| |
| // send special token to the rest of the branches. |
| // these branches don't understand this token, so they will |
| // try to move to a final state and send the token back to us, |
| // which this object will ignore (because isJoining==true) |
| // Otherwise branches will find an error. |
| for( int i=0; i<_receivers.length; i++ ) |
| if( _receivers[i]!=source ) |
| _receivers[i].enterAttribute(uri,local,qname); |
| |
| // revert to the parent |
| _parent._source.replace(this,_parent); |
| _parent.onChildCompleted(null,_cookie,true); |
| // send this event to the parent |
| _parent.enterAttribute(uri,local,qname); |
| } |
| |
| public void joinByLeaveAttribute( NGCCEventReceiver source, |
| String uri, String local, String qname ) throws SAXException { |
| |
| if(isJoining) return; // we are already in the process of joining. ignore. |
| isJoining = true; |
| |
| // send special token to the rest of the branches. |
| // these branches don't understand this token, so they will |
| // try to move to a final state and send the token back to us, |
| // which this object will ignore (because isJoining==true) |
| // Otherwise branches will find an error. |
| for( int i=0; i<_receivers.length; i++ ) |
| if( _receivers[i]!=source ) |
| _receivers[i].leaveAttribute(uri,local,qname); |
| |
| // revert to the parent |
| _parent._source.replace(this,_parent); |
| _parent.onChildCompleted(null,_cookie,true); |
| // send this event to the parent |
| _parent.leaveAttribute(uri,local,qname); |
| } |
| |
| public void joinByText( NGCCEventReceiver source, |
| String value ) throws SAXException { |
| |
| if(isJoining) return; // we are already in the process of joining. ignore. |
| isJoining = true; |
| |
| // send special token to the rest of the branches. |
| // these branches don't understand this token, so they will |
| // try to move to a final state and send the token back to us, |
| // which this object will ignore (because isJoining==true) |
| // Otherwise branches will find an error. |
| for( int i=0; i<_receivers.length; i++ ) |
| if( _receivers[i]!=source ) |
| _receivers[i].text(value); |
| |
| // revert to the parent |
| _parent._source.replace(this,_parent); |
| _parent.onChildCompleted(null,_cookie,true); |
| // send this event to the parent |
| _parent.text(value); |
| } |
| |
| |
| |
| // |
| // |
| // event dispatching methods |
| // |
| // |
| |
| public void sendEnterAttribute( int threadId, |
| String uri, String local, String qname) throws SAXException { |
| |
| _receivers[threadId].enterAttribute(uri,local,qname); |
| } |
| |
| public void sendEnterElement( int threadId, |
| String uri, String local, String qname, Attributes atts) throws SAXException { |
| |
| _receivers[threadId].enterElement(uri,local,qname,atts); |
| } |
| |
| public void sendLeaveAttribute( int threadId, |
| String uri, String local, String qname) throws SAXException { |
| |
| _receivers[threadId].leaveAttribute(uri,local,qname); |
| } |
| |
| public void sendLeaveElement( int threadId, |
| String uri, String local, String qname) throws SAXException { |
| |
| _receivers[threadId].leaveElement(uri,local,qname); |
| } |
| |
| public void sendText(int threadId, String value) throws SAXException { |
| _receivers[threadId].text(value); |
| } |
| |
| } |
