src.compiler.com.sun.tools.txw2.model.Leaf Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* https://jwsdp.dev.java.net/CDDLv1.0.html
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* https://jwsdp.dev.java.net/CDDLv1.0.html If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
* own identifying information: Portions Copyright [yyyy]
* [name of copyright owner]
*/
package com.sun.tools.txw2.model;
import com.sun.codemodel.JDefinedClass;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JMod;
import com.sun.codemodel.JType;
import com.sun.tools.txw2.model.prop.Prop;
import com.sun.tools.txw2.model.prop.ValueProp;
import com.sun.xml.txw2.annotation.XmlValue;
import org.kohsuke.rngom.ast.om.ParsedPattern;
import org.xml.sax.Locator;
import java.util.Iterator;
import java.util.Set;
/**
* {@link Leaf}s form a set (by a cyclic doubly-linked list.)
*
* @author Kohsuke Kawaguchi
*/
public abstract class Leaf implements ParsedPattern {
private Leaf next;
private Leaf prev;
/**
* Source location where this leaf was defined.
*/
public Locator location;
protected Leaf(Locator location) {
this.location = location;
prev = next = this;
}
public final Leaf getNext() {
assert next!=null;
assert next.prev == this;
return next;
}
public final Leaf getPrev() {
assert prev!=null;
assert prev.next == this;
return prev;
}
/**
* Combines two sets into one set.
*
* @return this
*/
public final Leaf merge(Leaf that) {
Leaf n1 = this.next;
Leaf n2 = that.next;
that.next = n1;
that.next.prev = that;
this.next = n2;
this.next.prev = this;
return this;
}
/**
* Returns the collection of all the siblings
* (including itself)
*/
public final Iterable siblings() {
return new Iterable() {
public Iterator iterator() {
return new CycleIterator(Leaf.this);
}
};
}
/**
* Populate the body of the writer class.
*
* @param props
* captures the generatesd {@link Prop}s to
*/
abstract void generate(JDefinedClass clazz, NodeSet nset, Set props);
/**
* Creates a prop of the data value method.
*/
protected final void createDataMethod(JDefinedClass clazz, JType valueType, NodeSet nset, Set props) {
if(!props.add(new ValueProp(valueType)))
return;
JMethod m = clazz.method(JMod.PUBLIC,
nset.opts.chainMethod? (JType)clazz : nset.codeModel.VOID,
"_text");
m.annotate(XmlValue.class);
m.param(valueType,"value");
}
}