/*

 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package org.openjdk.tests.shapegen;

import java.util.ArrayList;

import java.util.HashSet;

import java.util.List;

import java.util.Set;

/**

 *

 * @author Robert Field

 */

public class TTShape {

    private final TTNode root;

    private final TTNode[] nodes;

    TTShape(TTNode root) {

        this.root = root;

        Set<TTNode> subs = new HashSet<>();

        root.collectAllSubtypes(subs);

        nodes = subs.toArray(new TTNode[subs.size()]);

    }

    private List<ClassCase> toCases(boolean includeClasses) {

        List<ClassCase> ccs = new ArrayList<>();

        root.start(includeClasses);

        int i;

        outer:

        while (true) {

            if (root.isValid()) {

                ClassCase cc = root.genCase();

                //System.out.println(cc);

                ccs.add(cc);

            }

            i = 0;

            do {

                if (i >= nodes.length) {

                    break outer;

                }

            } while(!nodes[i++].next());

        }

        return ccs;

    }

   public static List<ClassCase> allCases(boolean includeClasses) {

        List<ClassCase> ccs = new ArrayList<>();

        for (TTShape shape : SHAPES) {

            ccs.addAll(shape.toCases(includeClasses));

        }

        return ccs;

    }

    public static TTShape parse(String s) {

        return new TTShape(new TTParser(s).parse());

    }

    public static final TTShape[] SHAPES = new TTShape[] {

        parse("a"),

        parse("a(b)"),

        parse("A(bb)"),

        parse("A(B(d)c(d))"),

        parse("A(b(c))"),

        parse("A(B(cd)d)"),

        parse("A(B(c)c)"),

        parse("A(B(Ce)d(e))"),

        parse("A(B(C)d(e))"),

        parse("A(Bc(d))"),

        parse("A(B(d)dc)"),

        parse("A(B(dc)dc)"),

        parse("A(B(c(d))d)"),

        parse("A(B(C(d))d)"),

        parse("A(B(C(e)d(e))e)"),

        parse("A(B(c(d))c)"),

        parse("A(B(dc(d))c)"),

        parse("A(B(C(d))d)"),

    };

}