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/*
 * Copyright (c) 2001-2013 Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 */

package com.sun.msv.relaxns.reader.relax;

import com.sun.msv.grammar.relax.RELAXModule;
import com.sun.msv.reader.ChildlessState;
import com.sun.msv.reader.State;
import com.sun.msv.reader.relax.core.InterfaceState;
import com.sun.msv.util.StartTagInfo;

/**
 * parses <interface> element and <div> in interface.
 * 
 * @author Kohsuke KAWAGUCHI
 */
class InterfaceStateEx extends InterfaceState
{
    protected State createChildState( StartTagInfo tag )
    {
        RELAXCoreIslandSchemaReader reader = (RELAXCoreIslandSchemaReader)this.reader;
        if(!tag.namespaceURI.equals(RELAXCoreIslandSchemaReader.RELAXCoreNamespace))    return null;
        
        if(tag.localName.equals("div"))        return new InterfaceStateEx();
        
        
        RELAXModule module = reader.getModule();
        
        if(tag.localName.equals("export"))
        {
            final String role = tag.getAttribute("role");
            
            if(role!=null)
            {
                module.attPools.getOrCreate(role).exported = true;
                return new ChildlessState();
            }
            // base class may process this element.
        }
        if(tag.localName.equals("hedgeExport"))
        {
            final String label = tag.getAttribute("label");
            if(label==null)
                reader.reportError(RELAXCoreIslandSchemaReader.ERR_MISSING_ATTRIBUTE,"hedgeExport","label");
                // recover by ignoring this hedgeExport
            else
                module.hedgeRules.getOrCreate(label).exported = true;
            
            return new ChildlessState();
        }
        
        return super.createChildState(tag);
    }
}