Log2Console.cs

#region Header
/*
    ==============================================================================
      Author: Zoltan Hrabovszki <zh@openkeyword.de>

      Copyright © 2012, 2013, 2014, 2015 IT-Beratung Hrabovszki
      www.OpenKeyWord.de
    ============================================================================== 

    This file is part of OpenKeyWord.

    OpenKeyWord is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenKeyWord 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 for more details.

    You should have received a copy of the GNU General Public License
    along with OpenKeyWord.  If not, see <http://www.gnu.org/licenses/>.

    Diese Datei ist Teil von OpenKeyWord.

    OpenKeyWord ist Freie Software: Sie können es unter den Bedingungen
    der GNU General Public License, wie von der Free Software Foundation,
    Version 3 der Lizenz oder (nach Ihrer Wahl) jeder späteren
    veröffentlichten Version, weiterverbreiten und/oder modifizieren.

    OpenKeyWord wird in der Hoffnung, dass es nützlich sein wird, aber
    OHNE JEDE GEWÄHRLEISTUNG, bereitgestellt; sogar ohne die implizite
    Gewährleistung der MARKTFÄHIGKEIT oder EIGNUNG FÜR EINEN BESTIMMTEN ZWECK.
    Siehe die GNU General Public License für weitere Details.

    Sie sollten eine Kopie der GNU General Public License zusammen mit 
    OpenKeyWord erhalten haben. Wenn nicht, siehe <http://www.gnu.org/licenses/>.
*/
#endregion Header

namespace OKW.Log
{
    using System;
    using System.Collections.Generic;
    using System.Text;

    /* http://www.csharp-examples.net/indent-string-with-spaces/ */

    public class Log2Console : ILogger
    {
        #region Fields

        string BlanksBefore = string.Empty;
        int LevelCounter = 0;

        #endregion Fields

        #region Methods

        public void LogError(string fps_Message)
        {
            Console.ForegroundColor = ConsoleColor.Red;
            Console.Write(this.BlanksBefore + "Error: ");
            Console.ResetColor();
            Console.WriteLine(fps_Message);
        }

        public void LogException(string fps_Message)
        {
            Console.ForegroundColor = ConsoleColor.Magenta;
            Console.Write(this.BlanksBefore + "Exception: ");
            Console.ResetColor();
            Console.WriteLine(fps_Message);
        }

        public void LogFunctionEnd()
        {
            this.LogPrint("-------");
            this.ResCloseList();
        }

        public void LogFunctionEnd(string fps_Return)
        {
            this.ResOpenList("Return...");
            this.LogPrint(fps_Return);
            this.ResCloseList();
            this.LogPrint("-------");
            this.ResCloseList();
        }

        public void LogFunctionEnd(bool fpb_Return)
        {
            this.ResOpenList("Return...");
            this.LogPrint(fpb_Return.ToString());
            this.ResCloseList();
            this.LogPrint("-------");
            this.ResCloseList();
        }

        public void LogFunctionEnd(List<string> fpls_Return)
        {
            this.ResOpenList("Return...");

            foreach (string Value in fpls_Return)
            {
                this.LogPrint(Value);
            }

            this.ResCloseList();
            this.LogPrint("-------");
            this.ResCloseList();
        }

        public void LogFunctionStart(string fps_FunctionName, params string[] fpsParameter)
        {
            this.ResOpenList(fps_FunctionName);
            this.ResOpenList("Parameter...");

            for (int i = 0; i < fpsParameter.Length; i += 2)
            {
                this.LogPrint(fpsParameter[i] + ": >>" + fpsParameter[i + 1] + "<<");
            }

            this.ResCloseList();
            this.LogPrint("-------");

            return;
        }

        public void LogKeyWordEnd()
        {
            this.ResCloseList();
        }

        public void LogKeyWordStart(string fps_KeyWordName, params string[] fpsParameter)
        {
            String String2Print = fps_KeyWordName;

            // Keyword without parameter
            if (fpsParameter.Length == 0)
            {
            // Keyword with one Parameter
                String2Print = String2Print + "()";
            }
            // Keyword with one Parameter
            else if (fpsParameter.Length == 1)
            {
                String2Print = String2Print + ": \"" + fpsParameter[0] + "\"";
            }
            // Keyword with two Parameters
            else if (fpsParameter.Length == 2)
            {
                String2Print = String2Print + ": \"" + fpsParameter[0] + "\" = \"" + fpsParameter[1] + "\"";
            }
            // Keyword with more then two Parameters
            else
            {
                String2Print = String2Print + "(\"" + fpsParameter[0] + "\"";

                for (int i = 1; i < fpsParameter.Length; i++)
                {
                    String2Print = String2Print + ", \"" + fpsParameter[i] + "\"";
                }

                String2Print = String2Print + ")";
            }

            this.ResOpenList(String2Print);

            return;
        }

        public void LogPrint(string fps_Message)
        {
            Console.ResetColor();
            Console.WriteLine(this.BlanksBefore + fps_Message);
        }

        public void LogVerify(string fps_Actual, string fps_Expected)
        {
            Console.WriteLine(this.BlanksBefore + "Expected = >>" + fps_Expected + "<<");

            if (fps_Actual == fps_Expected)
            {
                Console.ForegroundColor = ConsoleColor.DarkGreen;
            }
            else
            {
                Console.ForegroundColor = ConsoleColor.Red;
            }

            Console.WriteLine(this.BlanksBefore + "  Actual = >>" + fps_Actual + "<<");
            Console.ResetColor();
        }

        public void LogWarning(string fps_Message)
        {
            Console.ForegroundColor = ConsoleColor.Yellow;
            Console.Write(this.BlanksBefore + "Warning: ");
            Console.ResetColor();
            Console.WriteLine(fps_Message);
        }

        public void ResCloseList()
        {
            if (this.LevelCounter > 0) 
            {
                this.LevelCounter--;
            }
            else
            {
                this.LevelCounter = 0;
            }
            
            this.BlankBefore();
        }

        public void ResOpenList(string fps_Name)
        {
            this.LogPrint(fps_Name);
            this.LevelCounter++;
            this.BlankBefore();
        }

        private void BlankBefore()
        {
            this.BlanksBefore = new string('    ', this.LevelCounter);
        }

        #endregion Methods
    }
}