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/*

 * Copyright (C) 2004-2011

 *

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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

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 * THE SOFTWARE.

 */

package com.sun.xml.internal.rngom.digested;

import com.sun.xml.internal.rngom.ast.builder.Annotations;

import com.sun.xml.internal.rngom.ast.builder.BuildException;

import com.sun.xml.internal.rngom.ast.builder.IncludedGrammar;

import com.sun.xml.internal.rngom.ast.builder.SchemaBuilder;

import com.sun.xml.internal.rngom.ast.builder.Scope;

import com.sun.xml.internal.rngom.ast.om.Location;

import com.sun.xml.internal.rngom.ast.om.ParsedNameClass;

import com.sun.xml.internal.rngom.ast.om.ParsedPattern;

import com.sun.xml.internal.rngom.nc.NameClass;

import com.sun.xml.internal.rngom.parse.Parseable;

import org.xml.sax.Locator;

import java.util.List;

import java.util.ArrayList;

/**

 * @author Kohsuke Kawaguchi (kk@kohsuke.org)

 */

final class PatternParseable implements Parseable {

    private final DPattern pattern;

    public PatternParseable(DPattern p) {

        this.pattern = p;

    }

    public ParsedPattern parse(SchemaBuilder sb) throws BuildException {

        return (ParsedPattern)pattern.accept(new Parser(sb));

    }

    public ParsedPattern parseInclude(String uri, SchemaBuilder f, IncludedGrammar g, String inheritedNs) throws BuildException {

        throw new UnsupportedOperationException();

    }

    public ParsedPattern parseExternal(String uri, SchemaBuilder f, Scope s, String inheritedNs) throws BuildException {

        throw new UnsupportedOperationException();

    }

    private static class Parser implements DPatternVisitor<ParsedPattern> {

        private final SchemaBuilder sb;

        public Parser(SchemaBuilder sb) {

            this.sb = sb;

        }

        private Annotations parseAnnotation(DPattern p) {

            // TODO

            return null;

        }

        private Location parseLocation(DPattern p) {

            Locator l = p.getLocation();

            return sb.makeLocation(l.getSystemId(),l.getLineNumber(),l.getColumnNumber());

        }

        private ParsedNameClass parseNameClass(NameClass name) {

            // TODO: reparse the name class

            return name;

        }

        public ParsedPattern onAttribute(DAttributePattern p) {

            return sb.makeAttribute(

                parseNameClass(p.getName()),

                (ParsedPattern)p.getChild().accept(this),

                parseLocation(p),

                parseAnnotation(p) );

        }

        public ParsedPattern onChoice(DChoicePattern p) {

            List<ParsedPattern> kids = new ArrayList<ParsedPattern>();

            for( DPattern c=p.firstChild(); c!=null; c=c.next )

                kids.add( (ParsedPattern)c.accept(this) );

            return sb.makeChoice(kids,parseLocation(p),null);

        }

        public ParsedPattern onData(DDataPattern p) {

            // TODO

            return null;

        }

        public ParsedPattern onElement(DElementPattern p) {

            return sb.makeElement(

                parseNameClass(p.getName()),

                (ParsedPattern)p.getChild().accept(this),

                parseLocation(p),

                parseAnnotation(p) );

        }

        public ParsedPattern onEmpty(DEmptyPattern p) {

            return sb.makeEmpty(

                parseLocation(p),

                parseAnnotation(p) );

        }

        public ParsedPattern onGrammar(DGrammarPattern p) {

            // TODO

            return null;

        }

        public ParsedPattern onGroup(DGroupPattern p) {

            List<ParsedPattern> kids = new ArrayList<ParsedPattern>();

            for( DPattern c=p.firstChild(); c!=null; c=c.next )

                kids.add( (ParsedPattern)c.accept(this) );

            return sb.makeGroup(kids,parseLocation(p),null);

        }

        public ParsedPattern onInterleave(DInterleavePattern p) {

            List<ParsedPattern> kids = new ArrayList<ParsedPattern>();

            for( DPattern c=p.firstChild(); c!=null; c=c.next )

                kids.add( (ParsedPattern)c.accept(this) );

            return sb.makeInterleave(kids,parseLocation(p),null);

        }

        public ParsedPattern onList(DListPattern p) {

            return sb.makeList(

                (ParsedPattern)p.getChild().accept(this),

                parseLocation(p),

                parseAnnotation(p) );

        }

        public ParsedPattern onMixed(DMixedPattern p) {

            return sb.makeMixed(

                (ParsedPattern)p.getChild().accept(this),

                parseLocation(p),

                parseAnnotation(p) );

        }

        public ParsedPattern onNotAllowed(DNotAllowedPattern p) {

            return sb.makeNotAllowed(

                parseLocation(p),

                parseAnnotation(p) );

        }

        public ParsedPattern onOneOrMore(DOneOrMorePattern p) {

            return sb.makeOneOrMore(

                (ParsedPattern)p.getChild().accept(this),

                parseLocation(p),

                parseAnnotation(p) );

        }

        public ParsedPattern onOptional(DOptionalPattern p) {

            return sb.makeOptional(

                (ParsedPattern)p.getChild().accept(this),

                parseLocation(p),

                parseAnnotation(p) );

        }

        public ParsedPattern onRef(DRefPattern p) {

            // TODO

            return null;

        }

        public ParsedPattern onText(DTextPattern p) {

            return sb.makeText(

                parseLocation(p),

                parseAnnotation(p) );

        }

        public ParsedPattern onValue(DValuePattern p) {

            return sb.makeValue(

                p.getDatatypeLibrary(),

                p.getType(),

                p.getValue(),

                p.getContext(),

                p.getNs(),

                parseLocation(p),

                parseAnnotation(p) );

        }

        public ParsedPattern onZeroOrMore(DZeroOrMorePattern p) {

            return sb.makeZeroOrMore(

                (ParsedPattern)p.getChild().accept(this),

                parseLocation(p),

                parseAnnotation(p) );

        }

    }

}