Out Instruction

using System;
using System.Collections.Generic;

namespace LunaInterpreter
{
    /// <summary>
    /// The basic instruction for outputting data to the console.
    /// </summary>
    public class OutInstruction
    {
        /// <summary>
        /// String started
        /// </summary>
        private bool stringStarted = false;

        /// <summary>
        /// A list of the words for the output.
        /// </summary>
        private List<string> words;

        /// <summary>
        /// Parses the instruction.
        /// </summary>
        /// <param name="cmdLine">The data.</param>
        public void Parse (string cmdLine)
        {
            // "HELLO WORLD" + computerName;

            words = new List<string>();

            string lastWord = "";
            bool isString = false;

            for (int i = 0; i < cmdLine.Length; i++)
            {
                if (cmdLine[i] == '"' && !stringStarted)
                {
                    stringStarted = true;
                    isString = true;
                }
                else if (cmdLine[i] == '"' && stringStarted)
                {
                    stringStarted = false;
                }
                else if (cmdLine[i] == ' ' && !stringStarted)
                {
                    // Ignore the line, since a whitespace is 'useless' outside strings (except for readability)
                }
                else if (cmdLine[i] == '+' && !stringStarted)
                {
                    if (isString)
                    {
                        words.Add(lastWord);
                    }
                    else
                    {
                        words.Add(Engine.VariableController.GetVariable(lastWord).Value.ToString());
                    }

                    lastWord = "";
                    isString = false;
                }
                else if (cmdLine[i] == ';' && !stringStarted)
                {
                    if (isString)
                    {
                        words.Add(lastWord);
                    }
                    else
                    {
                        words.Add(Engine.VariableController.GetVariable(lastWord).Value.ToString());
                    }

                    break;
                }
                else
                {
                    lastWord += cmdLine[i];
                }
            }

            foreach (string word in words)
            {
                Console.Write(word);
            }
        }
    }
}