CGenerator.cs

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/*
 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 *
 * This file is part of the lwIP TCP/IP stack.
 *
 * Author: Martin Hentschel <info@cl-soft.de>
 *
 */

using System;
using System.IO;

namespace CCodeGeneration
{
    public class CGenerator
    {
        public TextWriter OutputStream { get; private set; }
        public string File { get; private set; }
        public uint IndentCount { get; private set; }
        public string IndentChar { get; private set; }
        public string NewLine { get; private set; }

        public CGenerator(System.IO.TextWriter outputStream, string file, uint indentCount, string indentChar, string newLine)
        {
            this.OutputStream = outputStream;
            this.File     = file;
            this.IndentCount  = indentCount;
            this.IndentChar   = indentChar;
            this.NewLine      = newLine;
        }

        public string FileName
        {
            get
            {
                if (!String.IsNullOrWhiteSpace(this.File))
                {
                    return Path.GetFileName(this.File);
                }

                return null;
            }
        }

        public void WriteSequence(string value, uint repetitions)
        {
            while (repetitions > 0)
            {
                this.OutputStream.Write(value);
                repetitions--;
            }
        }

        public void IndentLine(int level)
        {
            while (level > 0)
            {
                WriteSequence(this.IndentChar, this.IndentCount);
                level--;
            }
        }

        public void WriteNewLine()
        {
            this.OutputStream.Write(this.NewLine);
        }

        public void WriteMultilineString(string value, int level = 0)
        {
            if (String.IsNullOrEmpty(value))
            {
                return;
            }

            // only \n and \r\n are recognized as linebreaks
            string[] lines = value.Split(new char[] { '\n' }, StringSplitOptions.None);

            for (int l = 0; l < (lines.Length - 1); l++)
            {
                if (lines[l].EndsWith("\r"))
                {
                    this.OutputStream.Write(lines[l].Substring(0, lines[l].Length-1));
                }
                else
                {
                    this.OutputStream.Write(lines[l]);
                }

                this.WriteNewLine();
                this.IndentLine(level);
            }

            this.OutputStream.Write(lines[lines.Length - 1]);
        }
    }
}