test_hash, C# - rextester

test_hash

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static char PathSeparatorChar { get { return '/'; } }
		public static string PathSeparatorString { get { return "/"; } }
		public static char AltPathSeparatorChar { get { return '\\'; } }
		public static readonly char[] pathSeparatorChars = new[] {PathSeparatorChar, AltPathSeparatorChar};
        
        public static string FixFileName( string fileName )
		{
			if ( string.IsNullOrEmpty( fileName ) )
				return string.Empty;

char[] resultFileName = fileName.ToCharArray();
			int shift = 0;
			int length = resultFileName.Length;
			bool lastCharIsSeparator = false;
			for ( int i = 0; i + shift < length; )
			{
				if ( resultFileName[i + shift] == PathSeparatorChar || resultFileName[i + shift] == AltPathSeparatorChar )
				{
					if ( !lastCharIsSeparator )
					{
						lastCharIsSeparator = true;
						resultFileName[i] = PathSeparatorChar;
						++i;
					}
					else
					{
						++shift;
					}
				}
				else
				{
					resultFileName[i] = resultFileName[i+shift];
					++i;
					lastCharIsSeparator = false;
				}
			}

string result =  new string( resultFileName, 0, length - shift );
			return result;
		}

static int GetHashCode( string s )
        {
          int result = 0;
            foreach (char c in s) {
                result = 5 * result + (byte)c;
                Console.WriteLine("c: {0}, byte c: {1}, result: {2}", c, (byte)c, result);
            }
          return result;
        }
        
        public static void Main(string[] args)
        {
            string fileName = "Blitzkrieg_15.ACHIEV.xdb";
            var chars = fileName.ToCharArray();
            var fix_str = FixFileName(fileName);
            var res = fix_str.TrimStart( PathSeparatorChar ).ToLower();
            
            string fileName_1 = "Blitzkrieg_20.ACHIEV.xdb";
            var chars_1 = fileName_1.ToCharArray();
            var fix_str1 = FixFileName(fileName_1);
            var res1 = fix_str1.TrimStart( PathSeparatorChar ).ToLower();
            //Your code goes here
            //Console.WriteLine("tocA: {0}, tocA1: {1}", fix_str, fix_str1);
            Console.WriteLine("first file name: {0}, second file name: {1}", res, res1);
            Console.WriteLine("hash first: {0}, hash second: {1}", GetHashCode(res), GetHashCode(res1));
        }
    }
}


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