-
Notifications
You must be signed in to change notification settings - Fork 0
/
GeneralHelpers.cs
147 lines (137 loc) · 4.42 KB
/
GeneralHelpers.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
using System;
using System.Text;
using System.Collections.Generic;
namespace FreneticMediaServer
{
public class GeneralHelpers
{
public static readonly UTF8Encoding EncodingUTF8 = new UTF8Encoding(false);
public static IEnumerable<KeyValuePair<string, string>> ReadConfigData(string config, Action<string> error)
{
string[] file_lines = config.Replace('\r', '\n').Split('\n');
foreach (string line_raw in file_lines)
{
string line = line_raw.Trim();
if (line.Length == 0)
{
continue;
}
if (line.StartsWith('#'))
{
continue;
}
int index_equals = line.IndexOf('=');
if (index_equals < 1)
{
error(line);
continue;
}
string setting = line.Substring(0, index_equals).Trim().ToLowerInvariant();
string value = line[(index_equals + 1)..].Trim();
yield return new KeyValuePair<string, string>(setting, value);
}
}
static int GetHexVal(char chr)
{
return chr - (chr < 58 ? 48 : (chr < 97 ? 55 : 87));
}
static char GetHexChar(int val)
{
return (char)((val < 10) ? ('0' + val) : ('A' + (val - 10)));
}
public static byte[] HexToBytes(string hex)
{
int l = hex.Length >> 1;
byte[] arr = new byte[l];
for (int i = 0; i < l; i++)
{
arr[i] = (byte)((GetHexVal(hex[i << 1])) + (GetHexVal(hex[(i << 1) + 1]) << 4));
}
return arr;
}
public static string BytesToHex(byte[] bytes)
{
char[] res = new char[bytes.Length * 2];
for (int i = 0; i < bytes.Length; i++)
{
res[i << 1] = GetHexChar(bytes[i] & 0x0F);
res[(i << 1) + 1] = GetHexChar((bytes[i] & 0xF0) >> 4);
}
return new string(res);
}
public static string UnescapeFromConfig(string input)
{
return input.Replace("\\n", "\n").Replace("\\\\", "\\");
}
public static string EscapeForConfig(string input)
{
return input.Replace("\\", "\\\\").Replace("\r\n", "\\n").Replace("\n", "\\n");
}
public static TimeSpan? ParseTimeSpan(string timespanText)
{
long multiplier;
if (timespanText.EndsWith("S"))
{
multiplier = 1;
timespanText = timespanText[0..^1];
}
else if (timespanText.EndsWith("M"))
{
multiplier = 60;
timespanText = timespanText[0..^1];
}
else if (timespanText.EndsWith("H"))
{
multiplier = 60 * 60;
timespanText = timespanText[0..^1];
}
else if (timespanText.EndsWith("D"))
{
multiplier = 60 * 60 * 24;
timespanText = timespanText[0..^1];
}
else
{
return null;
}
if (long.TryParse(timespanText, out long result))
{
return new TimeSpan(result * multiplier * TimeSpan.TicksPerSecond);
}
return null;
}
public static long? ParseFileSizeLimit(string limitText)
{
long multiplier;
if (limitText.EndsWith("KB"))
{
multiplier = 1000;
limitText = limitText[0..^2];
}
else if (limitText.EndsWith("MB"))
{
multiplier = 1000_000;
limitText = limitText[0..^2];
}
else if (limitText.EndsWith("GB"))
{
multiplier = 1000_000_000;
limitText = limitText[0..^2];
}
else if (limitText.EndsWith("B"))
{
multiplier = 1;
limitText = limitText[0..^1];
}
else
{
return null;
}
if (long.TryParse(limitText, out long result))
{
return result * multiplier;
}
return null;
}
}
}