using System;

using System.Collections;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        string config1 = @"{""MyKey"" : ""MyValue""}";

        string config2 = @"{ ""Mykey"" : ""MyValue"", ""YourKey"" : ""YourValue"" }";

        ParseScript(config2);

    }

    public static void ParseScript(string s)

    {

        Console.WriteLine(s);

        Console.WriteLine();

        Dictionary<string, object> dic = new Dictionary<string, object>();

        int i = 0;

        begin:

            if (i == s.Length)

            {

                Log(i, "end");

                goto end;

            }

            if (s[i] == '{')

            {

                // Begin object.

                Log(i, "{");

            }

            else if (s[i] == ',')

            {

                Log(i, ",");

            }

            else if (s[i] == ' ')

            {

                // Jump past whitespaces.

                Log(i, " ");

                while (s[++i] == ' ');

                --i;

            }

            else if (s[i] == '}')

            {

                // End current object.

                Log(i, "}");

            }

            else

            {

                Log(i, "subscript");

                KeyValuePair<string, object> pair = ParseSubscript(s, ref i);

                dic.Add(pair.Key, pair.Value);

            }

            i++;

            goto begin;

        end:

            Console.WriteLine();

            foreach (var p in dic)

            {

                Console.WriteLine(p.Key + " = " + p.Value);

            }

    }

    public static KeyValuePair<string, object> ParseSubscript(string s, ref int i)

    {

        string strKey = "";

        string strValue = "";

        // Key.

        if (s[i] == '"')

        {

            strKey = ParseString(s, ref i);

            Log(i, strKey);

            // Jump past whitespaces.

            while (s[++i] == ' ');

            // Found colon.

            if (s[i] == ':')

            {

                Log(i, ":");

            }

            else

            {

                Console.WriteLine("Error in script");

            }

            // Jump past whitespaces.

            while (s[++i] == ' ');

            // Value

            if (s[i] == '"')

            {               

                strValue = ParseString(s, ref i);

                Log(i, strValue);

            }

        }

        return new KeyValuePair<string, object>(strKey, strValue);

    }

    public static string ParseString(string s, ref int i)

    {

        string str = "";

        int strStart = ++i;

        Log(i, "strStart");

        // Jump past keyName.

        while (s[++i] != '"');

        int strEnd = i;

        Log(i, "strEnd");

        str = s.Substring(strStart, strEnd - strStart);

        Log(strStart, strEnd, str);

        return str;

    }

    public static void Log(int pos, string str)

    {

        Console.WriteLine("[ Found '" + str + "' at index: " + pos + " ]");

    }

    public static void Log(int startPos, int endPos, string str)

    {

        Console.WriteLine("[ Found '" + str + "' between indices: " + startPos + " and " + endPos + " ]");

​

    }

}