| /* |
| * Copyright 2005-2006 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| package com.sun.tools.internal.xjc.reader.dtd; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import javax.xml.namespace.QName; |
| |
| import com.sun.tools.internal.xjc.model.CBuiltinLeafInfo; |
| import com.sun.tools.internal.xjc.model.CClassInfo; |
| import com.sun.tools.internal.xjc.model.CElementPropertyInfo; |
| import static com.sun.tools.internal.xjc.model.CElementPropertyInfo.CollectionMode.*; |
| import com.sun.tools.internal.xjc.model.CPropertyInfo; |
| import com.sun.tools.internal.xjc.model.CReferencePropertyInfo; |
| import com.sun.tools.internal.xjc.model.CTypeRef; |
| import com.sun.tools.internal.xjc.model.CValuePropertyInfo; |
| import com.sun.tools.internal.xjc.model.TypeUse; |
| import com.sun.tools.internal.xjc.reader.dtd.bindinfo.BIConversion; |
| import com.sun.tools.internal.xjc.reader.dtd.bindinfo.BIElement; |
| import com.sun.xml.internal.bind.v2.model.core.ID; |
| import com.sun.xml.internal.bind.v2.model.core.WildcardMode; |
| import com.sun.xml.internal.dtdparser.DTDEventListener; |
| |
| import org.xml.sax.Locator; |
| |
| /** |
| * DTD Element. |
| * |
| * <p> |
| * This class extends {@link Term} to participate in the content model tree. |
| * |
| * <p> |
| * This class is repsonsible for binding the element. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| final class Element extends Term implements Comparable<Element> { |
| |
| /** |
| * Name of the element. |
| */ |
| final String name; |
| |
| private final TDTDReader owner; |
| |
| /** |
| * @see DTDEventListener#endContentModel(String, short) |
| */ |
| private short contentModelType; |
| |
| private Term contentModel; |
| |
| /** |
| * True if this element is referenced from another element. |
| */ |
| boolean isReferenced; |
| |
| /** |
| * If this element maps to a class, that class representation. |
| * Otherwise null. |
| */ |
| private CClassInfo classInfo; |
| |
| /** |
| * True if {@link #classInfo} field is computed. |
| */ |
| private boolean classInfoComputed; |
| |
| /** |
| * List of attribute properties on this element |
| */ |
| final List<CPropertyInfo> attributes = new ArrayList<CPropertyInfo>(); |
| |
| /** |
| * Normalized blocks of the content model. |
| */ |
| private final List<Block> normalizedBlocks = new ArrayList<Block>(); |
| |
| /** |
| * True if this element needs to be a class. |
| * |
| * Currently, if an element is referenced from a construct like (A|B|C), |
| * we require those A,B, and C to be a class. |
| */ |
| private boolean mustBeClass; |
| |
| /** |
| * The source location where this element is defined. |
| */ |
| private Locator locator; |
| |
| public Element(TDTDReader owner,String name) { |
| this.owner = owner; |
| this.name = name; |
| } |
| |
| void normalize(List<Block> r, boolean optional) { |
| Block o = new Block(optional,false); |
| o.elements.add(this); |
| r.add(o); |
| } |
| |
| void addAllElements(Block b) { |
| b.elements.add(this); |
| } |
| |
| boolean isOptional() { |
| return false; |
| } |
| |
| boolean isRepeated() { |
| return false; |
| } |
| |
| |
| /** |
| * Define its content model. |
| */ |
| void define(short contentModelType, Term contentModel, Locator locator) { |
| assert this.contentModel==null; // may not be called twice |
| this.contentModelType = contentModelType; |
| this.contentModel = contentModel; |
| this.locator = locator; |
| contentModel.normalize(normalizedBlocks,false); |
| |
| for( Block b : normalizedBlocks ) { |
| if(b.isRepeated || b.elements.size()>1) { |
| for( Element e : b.elements ) { |
| owner.getOrCreateElement(e.name).mustBeClass = true; |
| } |
| } |
| } |
| } |
| |
| /** |
| * When this element is an PCDATA-only content model, |
| * returns the conversion for it. Otherwise the behavior is undefined. |
| */ |
| private TypeUse getConversion() { |
| assert contentModel == Term.EMPTY; // this is PCDATA-only element |
| |
| BIElement e = owner.bindInfo.element(name); |
| if(e!=null) { |
| BIConversion conv = e.getConversion(); |
| if(conv!=null) |
| return conv.getTransducer(); |
| } |
| return CBuiltinLeafInfo.STRING; |
| } |
| |
| /** |
| * Return null if this class is not bound to a class. |
| */ |
| CClassInfo getClassInfo() { |
| if(!classInfoComputed) { |
| classInfoComputed = true; |
| classInfo = calcClass(); |
| } |
| return classInfo; |
| } |
| |
| private CClassInfo calcClass() { |
| BIElement e = owner.bindInfo.element(name); |
| if(e==null) { |
| if(contentModelType!=DTDEventListener.CONTENT_MODEL_MIXED |
| || !attributes.isEmpty() |
| || mustBeClass) |
| return createDefaultClass(); |
| if(contentModel!=Term.EMPTY) { |
| throw new UnsupportedOperationException("mixed content model not supported"); |
| } else { |
| // just #PCDATA |
| if(isReferenced) |
| return null; |
| else |
| // if no one else is referencing, assumed to be the root. |
| return createDefaultClass(); |
| } |
| } else { |
| return e.clazz; |
| } |
| } |
| |
| private CClassInfo createDefaultClass() { |
| String className = owner.model.getNameConverter().toClassName(name); |
| QName tagName = new QName("",name); |
| |
| return new CClassInfo(owner.model,owner.getTargetPackage(),className,locator,null,tagName,null,null/*TODO*/); |
| } |
| |
| void bind() { |
| CClassInfo ci = getClassInfo(); |
| assert ci!=null || attributes.isEmpty(); |
| for( CPropertyInfo p : attributes ) |
| ci.addProperty(p); |
| |
| switch(contentModelType) { |
| case DTDEventListener.CONTENT_MODEL_ANY: |
| CReferencePropertyInfo rp = new CReferencePropertyInfo("Content",true,true,null,null/*TODO*/,locator); |
| rp.setWildcard(WildcardMode.SKIP); |
| ci.addProperty(rp); |
| return; |
| case DTDEventListener.CONTENT_MODEL_CHILDREN: |
| break; // handling follows |
| case DTDEventListener.CONTENT_MODEL_MIXED: |
| if(contentModel!=Term.EMPTY) |
| throw new UnsupportedOperationException("mixed content model unsupported yet"); |
| |
| if(ci!=null) { |
| // if this element is mapped to a class, just put one property |
| CValuePropertyInfo p = new CValuePropertyInfo("value", null,null/*TODO*/,locator,getConversion(),null); |
| ci.addProperty(p); |
| } |
| return; |
| case DTDEventListener.CONTENT_MODEL_EMPTY: |
| // no content model |
| assert ci!=null; |
| return; |
| } |
| |
| // normalize |
| List<Block> n = new ArrayList<Block>(); |
| contentModel.normalize(n,false); |
| |
| {// check collision among Blocks |
| Set<String> names = new HashSet<String>(); |
| boolean collision = false; |
| |
| OUTER: |
| for( Block b : n ) |
| for( Element e : b.elements ) |
| if(!names.add(e.name)) { |
| collision = true; |
| break OUTER; |
| } |
| |
| if(collision) { |
| // collapse all blocks into one |
| Block all = new Block(true,true); |
| for( Block b : n ) |
| all.elements.addAll(b.elements); |
| n.clear(); |
| n.add(all); |
| } |
| } |
| |
| for( Block b : n ) { |
| CElementPropertyInfo p; |
| if(b.isRepeated || b.elements.size()>1) { |
| // collection |
| StringBuilder name = new StringBuilder(); |
| for( Element e : b.elements ) { |
| if(name.length()>0) |
| name.append("Or"); |
| name.append(owner.model.getNameConverter().toPropertyName(e.name)); |
| } |
| p = new CElementPropertyInfo(name.toString(), REPEATED_ELEMENT, ID.NONE, null, null,null/*TODO*/, locator, !b.isOptional ); |
| for( Element e : b.elements ) { |
| CClassInfo child = owner.getOrCreateElement(e.name).getClassInfo(); |
| assert child!=null; // we are requiring them to be classes. |
| p.getTypes().add(new CTypeRef(child,new QName("",e.name),null,false,null)); |
| } |
| } else { |
| // single property |
| String name = b.elements.iterator().next().name; |
| String propName = owner.model.getNameConverter().toPropertyName(name); |
| |
| TypeUse refType; |
| Element ref = owner.getOrCreateElement(name); |
| if(ref.getClassInfo()!=null) |
| refType = ref.getClassInfo(); |
| else { |
| refType = ref.getConversion().getInfo(); |
| } |
| |
| p = new CElementPropertyInfo(propName, |
| refType.isCollection()?REPEATED_VALUE:NOT_REPEATED, ID.NONE, null, null,null/*TODO*/, locator, !b.isOptional ); |
| |
| p.getTypes().add(new CTypeRef(refType.getInfo(),new QName("",name),null,false,null)); |
| } |
| ci.addProperty(p); |
| } |
| } |
| |
| public int compareTo(Element that) { |
| return this.name.compareTo(that.name); |
| } |
| } |