/*

 * Copyright (c) 1998, 2013, 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 build.tools.jdwpgen;

import java.util.*;

import java.io.*;

class RepeatNode extends AbstractTypeNode {

    Node member = null;

    void constrain(Context ctx) {

        super.constrain(ctx);

        if (components.size() != 1) {

            error("Repeat must have exactly one member, use Group for more");

        }

        member = components.get(0);

        if (!(member instanceof TypeNode)) {

            error("Repeat member must be type specifier");

        }

    }

    void document(PrintWriter writer) {

        writer.println("<tr>");

        writer.println("<td>" + indentElement(structIndent, "int"));

        writer.println("<th scope=\"row\"><i>" + name() + "</i>");

        writer.println("<td>" + comment() + "&nbsp;");

        writer.println("</tr>");

        writer.println("<tr>");

        writer.println("<th colspan=\"3\" scope=\"rowgroup\">"

                + indentElement(structIndent, "Repeated <i>" + name() + "</i> times:"));

        writer.println("</tr>");

        ++structIndent;

        member.document(writer);

        --structIndent;

    }

    String docType() {

        return "-BOGUS-"; // should never call this

    }

    String javaType() {

        return member.javaType() + "[]";

    }

    public void genJavaWrite(PrintWriter writer, int depth,

                             String writeLabel) {

        genJavaDebugWrite(writer, depth, writeLabel, "\"\"");

        indent(writer, depth);

        writer.println("ps.writeInt(" + writeLabel + ".length);");

        indent(writer, depth);

        writer.println("for (int i = 0; i < " + writeLabel + ".length; i++) {;");

        ((TypeNode)member).genJavaWrite(writer, depth+1, writeLabel + "[i]");

        indent(writer, depth);

        writer.println("}");

    }

    String javaRead() {

        error("Internal - Should not call RepeatNode.javaRead()");

        return "";

    }

    public void genJavaRead(PrintWriter writer, int depth,

                            String readLabel) {

        genJavaDebugRead(writer, depth, readLabel, "\"\"");

        String cntLbl = readLabel + "Count";

        indent(writer, depth);

        writer.println("int " + cntLbl + " = ps.readInt();");

        indent(writer, depth);

        writer.println(readLabel + " = new " + member.javaType() +

                       "[" + cntLbl + "];");

        indent(writer, depth);

        writer.println("for (int i = 0; i < " + cntLbl + "; i++) {;");

        member.genJavaRead(writer, depth+1, readLabel + "[i]");

        indent(writer, depth);

        writer.println("}");

    }

}