dummy query parser

Program.cs

using System;

namespace demo2
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            Interpret("command=read;pin=3;callback=handle_temperature");

            Console.ReadKey();
        }

        static void Interpret(string command)
        {
            if (command == null)
                return;

            int keyValueCount = 0;
            for (int i = 0; i < command.Length; i++)
            {
                if (command[i] == '=')
                    ++keyValueCount;
            }

            char[][] keyValues = new char[keyValueCount * 2][];

            int currentKeyValuePairIndex = 0;
            int startIndex = 0;
            for (int i = 0; i < command.Length; i++)
            {
                // read key and value pairs
                if (command[i] == '=')
                {
                    int keyLength = i - startIndex;
                    char[] key = new char[keyLength];
                    for (int keyIndex = 0; keyIndex < keyLength; keyIndex++)
                    {
                        key[keyIndex] = command[startIndex + keyIndex];
                    }

                    startIndex = i + 1;

                    for (int j = startIndex; j < command.Length; j++)
                    {
                        if (command[j] == ';' || j == command.Length - 1)
                        {
                            int valueLength = j - startIndex;
                            char[] value = new char[valueLength];
                            for (int valueIndex = 0; valueIndex < valueLength; valueIndex++)
                            {
                                value[valueIndex] = command[startIndex + valueIndex];
                            }

                            keyValues[currentKeyValuePairIndex++] = key;
                            keyValues[currentKeyValuePairIndex++] = value;

                            startIndex = j + 1;
                            break;
                        }
                    }


                }
                // read next key, value pair
            }

            // keyValues = command, read, pin, 3, callback, handle_temperature
            // TODO: execute
            if (keyValues[0] == "commmand")
            {
                // TODO: ...
                if (keyValues[2] = "pin")
                {
                    
                }
            }
        }

    }
}