Subversion Repositories ao486

/*

 * Copyright (c) 2014, Aleksander Osman

 * 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.

 *

 * 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 HOLDER 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 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

package ao486.utils;

import java.io.File;

import java.nio.file.Files;

import java.util.LinkedList;

public class StringHelper {

    static class Port {

        String direction;

        boolean is_reg;

        int size;

        String name;

    }

    public static void main(String args[]) throws Exception {

        File input_file = new File("convert.txt");

        byte input_bytes[] = Files.readAllBytes(input_file.toPath());

        String input = new String(input_bytes);

        String lines[] = input.split(",");

        LinkedList<Port> list = new LinkedList<>();

        for(String line : lines) {

            String tokens[] = line.split("\\s+");

            Port port = new Port();

            int index = 0;

            if(tokens[index].equals("")) index++;

            //direction

            if(tokens[index].equals("output"))      port.direction = "output";

            else if(tokens[index].equals("input"))  port.direction = "input";

            else throw new Exception("Unknown direction: " + tokens[index]);

            index++;

            //is_reg

            if(tokens[index].equals("reg")) {

                index++;

                port.is_reg = true;

            }

            //size

            if(tokens[index].startsWith("[")) {

                int end = tokens[index].indexOf(":");

                port.size = Integer.parseInt(tokens[index].substring(1, end));

                port.size++;

                index++;

            }

            else {

                port.size = 1;

            }

            //name

            port.name = tokens[index];

            index++;

            if(index != tokens.length) throw new Exception("Parse error: too long.");

            list.add(port);

        }

        StringBuilder build = new StringBuilder();

        int l1 = 30;

        int l2 = 30;

        for(Port port : list) {

            build.append("    .").append(port.name);

            for(int i=port.name.length(); i<l1; i++) build.append(" ");

            build.append("(").append(port.name).append("),");

            for(int i=port.name.length(); i<l2; i++) build.append(" ");

            build.append("//").append(port.direction);

            if(port.size > 1) build.append(" [").append(port.size-1).append(":0]");

            build.append("\n");

        }

        System.out.println(build);

        System.out.println("---------------");

        build = new StringBuilder();

        l1 = 12;

        for(Port port : list) {

            StringBuilder local = new StringBuilder();

            local.append("wire ");

            if(port.size > 1) local.append("[").append(port.size-1).append(":0]");

            for(int i=local.length(); i<l1; i++) local.append(" ");

            local.append(port.name).append(";\n");

            build.append(local);

        }

        System.out.println(build);

        System.out.println("---------------");

    }

}