src.java.com.ctc.wstx.dtd.ContentSpec Maven / Gradle / Ivy
/* Woodstox XML processor
*
* Copyright (c) 2004 Tatu Saloranta, [email protected]
*
* Licensed under the License specified in the file LICENSE which is
* included with the source code.
* You may not use this file except in compliance with the License.
*
* 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 com.ctc.wstx.dtd;
import java.util.*;
/**
* Abstract base class for classes that contain parts of a content
* specification of an element defined in DTD. They are created
* by {@link FullDTDReader} when parsing an DTD subset, and they
* will be used for constructing actual validators for the element
* content.
*/
public abstract class ContentSpec
{
protected char mArity;
/*
///////////////////////////////////////////////////
// Life-cycle
///////////////////////////////////////////////////
*/
public ContentSpec(char arity) {
mArity = arity;
}
/*
///////////////////////////////////////////////////
// Public API
///////////////////////////////////////////////////
*/
public final char getArity() { return mArity; }
public final void setArity(char c) { mArity = c; }
public boolean isLeaf() { return false; }
/**
* Method called by input element stack to get validator for
* this content specification, if this specification is simple
* enough not to need full DFA-based validator.
*
* @return Simple content model validator, if one can be directly
* constructed, or null to indicate that a DFA needs to be
* created.
*/
public abstract StructValidator getSimpleValidator();
/**
* Method called as the first part of DFA construction, if necessary;
* will usually create simpler {@link ModelNode} instances that will
* match definition this instance contains.
*/
public abstract ModelNode rewrite();
}