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GameConsole.cs
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GameConsole.cs
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using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
namespace CoralEngine
{
public class GameConsole
{
private Dictionary<string, string> cvars = new Dictionary<string, string>();
private Dictionary<string, Func<string[], string>> cfuncs = new Dictionary<string, Func<string[], string>>();
private Dictionary<string, string> aliases = new Dictionary<string, string>();
public GameConsole()
{
AddCfunc("echo", new Func<string[], string>(EchoCfunc));
AddCfunc("alias", new Func<string[], string>(AddAliasCfunc));
}
private string EchoCfunc(string[] args)
{
string ret = "";
foreach (string arg in args)
ret += arg + " ";
return ret.Trim() + "\n";
}
private string AddAliasCfunc(string[] args)
{
if (args.Length != 2)
{
string ret = "";
Dictionary<string, string>.Enumerator e = aliases.GetEnumerator();
for (int i = 0; i < aliases.Count; i++)
{
e.MoveNext();
ret += e.Current.Key + "=\"" + e.Current.Value + "\"\n";
}
return ret;
}
else
{
aliases.Add(args[0], args[1]);
return args[0] + "=\"" + args[1] + "\"\n";
}
}
public void AddAlias(string name, string command)
{
}
public void AddCvar(string name, string def)
{
if (!cvars.ContainsKey(name))
cvars.Add(name, def);
}
public string GetCvar(string name)
{
if (cvars.ContainsKey(name))
return cvars[name];
return "";
}
public void SetCvar(string name, string value)
{
if (cvars.ContainsKey(name))
cvars[name] = value;
}
public void AddCfunc(string name, Func<string[], string> func)
{
if (!cvars.ContainsKey(name))
cfuncs.Add(name, func);
}
public string Input(string input)
{
input = input.Trim();
if (input.Length > 0)
{
if (input[input.Length - 1] == ';')
input = input.Substring(0, input.Length - 1);
}
Regex stringRegex = new Regex("(.*) \"(.+)\"(.*)");
string b64r = stringRegex.Replace(input, "$2");
input = stringRegex.Replace(input, "$1 %B64" + Base64_Encode(b64r) + "%$3");
string[] parts = input.Split(';');
string ret = "";
foreach (string part in parts)
ret += HandleCommand(part);
return ret;
}
private string HandleCommand(string input)
{
input = input.Trim();
if (input != "")
{
string[] parse = input.Split(new char[] { ' ' }, 2);
if (parse.Length > 0 && parse[0] != "")
{
if (aliases.ContainsKey(parse[0]))
return Input(aliases[parse[0]] + (parse.Length == 2 ? " " + parse[1] : ""));
else if (cfuncs.ContainsKey(parse[0]))
{
string[] args = new string[0];
if (parse.Length == 2)
{
args = parse[1].Split(' ');
for (int i = 0; i < args.Length; i++)
args[i] = HandleArgument(args[i]);
}
return cfuncs[parse[0]].Invoke(args);
}
else if (cvars.ContainsKey(parse[0]))
{
if (parse.Length == 2)
cvars[parse[0]] = parse[1];
return cvars[parse[0]] + "\n";
}
}
}
return "Unknown cvar/cfunc\n";
}
private string HandleArgument(string arg)
{
Regex b64 = new Regex("^%B64(.+)%$");
if (b64.IsMatch(arg))
return Base64_Decode(b64.Replace(arg, "$1"));
else
return arg;
}
private string Base64_Encode(string input)
{
return Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(input));
}
private string Base64_Decode(string input)
{
Decoder utf8Decode = new UTF8Encoding().GetDecoder();
byte[] todecode_byte = Convert.FromBase64String(input);
char[] decoded_char = new char[utf8Decode.GetCharCount(todecode_byte, 0, todecode_byte.Length)];
utf8Decode.GetChars(todecode_byte, 0, todecode_byte.Length, decoded_char, 0);
return new string(decoded_char);
}
}
}