/*-
 * ~~~~~~licensing~~~~~~
 * xsom
 * ==========
 * Copyright (C) 2020 - 2025 EmDev LLC
 * ==========
 * You may not use this file except in accordance with the License Terms of the Copyright
 * Holder located at: https://entaxy.ru/eula . All copyrights, all intellectual property
 * rights to the Software and any copies are the property of the Copyright Holder. Unless
 * it is explicitly allowed the Copyright Holder, the User is prohibited from using the
 * Software for commercial purposes to provide services to third parties.
 * 
 * The Copyright Holder hereby declares that the Software is provided on an "AS IS".
 * Under no circumstances does the Copyright Holder guarantee or promise that the
 * Software provided by him will be suitable or not suitable for the specific purposes
 * of the User, that the Software will meet all commercial and personal subjective
 * expectations of the User, that the Software will work properly, without technical
 * errors, quickly and uninterruptedly.
 * 
 * Under no circumstances shall the Copyright Holder or its Affiliates is not liable
 * to the User for any direct or indirect losses of the User, his expenses or actual
 * damage, including, downtime; loss of bussines; lost profit; lost earnings; loss
 * or damage to data, property, etc.
 * ~~~~~~/licensing~~~~~~
 */
/*
 * Copyright (C) 2017 Oracle
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.sun.xml.xsom.impl;

import java.util.Set;

import org.xml.sax.Locator;

import com.sun.xml.xsom.XSComplexType;
import com.sun.xml.xsom.XSContentType;
import com.sun.xml.xsom.XSListSimpleType;
import com.sun.xml.xsom.XSParticle;
import com.sun.xml.xsom.XSRestrictionSimpleType;
import com.sun.xml.xsom.XSSimpleType;
import com.sun.xml.xsom.XSType;
import com.sun.xml.xsom.XSUnionSimpleType;
import com.sun.xml.xsom.XSVariety;
import com.sun.xml.xsom.impl.parser.SchemaDocumentImpl;
import com.sun.xml.xsom.visitor.XSContentTypeFunction;
import com.sun.xml.xsom.visitor.XSContentTypeVisitor;
import com.sun.xml.xsom.visitor.XSFunction;
import com.sun.xml.xsom.visitor.XSVisitor;

public abstract class SimpleTypeImpl extends DeclarationImpl
    implements XSSimpleType, ContentTypeImpl, Ref.SimpleType
{
    SimpleTypeImpl(
        SchemaDocumentImpl _parent,
        AnnotationImpl _annon,
        Locator _loc,
        ForeignAttributesImpl _fa,
        String _name,
        boolean _anonymous,
        Set<XSVariety> finalSet,
        Ref.SimpleType _baseType) {

        super(_parent, _annon, _loc, _fa, _parent.getTargetNamespace(), _name, _anonymous);

        this.baseType = _baseType;
        this.finalSet = finalSet;
    }

    private Ref.SimpleType baseType;

    public XSType[] listSubstitutables() {
        return Util.listSubstitutables(this);
    }

    public void redefine( SimpleTypeImpl st ) {
        baseType = st;
        st.redefinedBy = this;
        redefiningCount = (short)(st.redefiningCount+1);
    }

    /**
     * Number of times this component redefines other components.
     */
    private short redefiningCount = 0;

    private SimpleTypeImpl redefinedBy = null;

    public XSSimpleType getRedefinedBy() {
        return redefinedBy;
    }

    public int getRedefinedCount() {
        int i=0;
        for( SimpleTypeImpl st =this.redefinedBy; st !=null; st =st.redefinedBy)
            i++;
        return i;
    }

    public XSType getBaseType() { return baseType.getType(); }
    public XSSimpleType getSimpleBaseType() { return baseType.getType(); }
    public boolean isPrimitive() { return false; }

    public XSListSimpleType getBaseListType() {
        return getSimpleBaseType().getBaseListType();
    }

    public XSUnionSimpleType getBaseUnionType() {
        return getSimpleBaseType().getBaseUnionType();
    }

    private final Set<XSVariety> finalSet;

    public boolean isFinal(XSVariety v) {
        return finalSet.contains(v);
    }


    public final int getDerivationMethod() { return XSType.RESTRICTION; }


    public final XSSimpleType asSimpleType()  { return this; }
    public final XSComplexType asComplexType(){ return null; }

    public boolean isDerivedFrom(XSType t) {
        XSType x = this;
        while(true) {
            if(t==x)
                return true;
            XSType s = x.getBaseType();
            if(s==x)
                return false;
            x = s;
        }
    }

    public final boolean isSimpleType()       { return true; }
    public final boolean isComplexType()      { return false; }
    public final XSParticle asParticle()      { return null; }
    public final XSContentType asEmpty()      { return null; }


    public boolean isRestriction() { return false; }
    public boolean isList() { return false; }
    public boolean isUnion() { return false; }
    public XSRestrictionSimpleType asRestriction() { return null; }
    public XSListSimpleType asList() { return null; }
    public XSUnionSimpleType asUnion() { return null; }




    public final void visit( XSVisitor visitor ) {
        visitor.simpleType(this);
    }
    public final void visit( XSContentTypeVisitor visitor ) {
        visitor.simpleType(this);
    }
    public final Object apply( XSFunction function ) {
        return function.simpleType(this);
    }
    public final Object apply( XSContentTypeFunction function ) {
        return function.simpleType(this);
    }

    // Ref.ContentType implementation
    public XSContentType getContentType() { return this; }
    // Ref.SimpleType implementation
    public XSSimpleType getType() { return this; }
}
