Terraria v1.4.4.9
Terraria source code documentation
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◆ GetParsedValueLength()

override int System.Net.Http.Headers.AltSvcHeaderParser.GetParsedValueLength ( string value,
int startIndex,
object storeValue,
out object parsedValue )
inlineprotected

Definition at line 16 of file AltSvcHeaderParser.cs.

17 {
18 if (string.IsNullOrEmpty(value))
19 {
20 parsedValue = null;
21 return 0;
22 }
23 int num = startIndex;
24 if (!TryReadPercentEncodedAlpnProtocolName(value, num, out var result, out var readLength))
25 {
26 parsedValue = null;
27 return 0;
28 }
29 num += readLength;
30 if (result == "clear")
31 {
32 if (num != value.Length)
33 {
34 parsedValue = null;
35 return 0;
36 }
37 parsedValue = AltSvcHeaderValue.Clear;
38 return num - startIndex;
39 }
40 if (num == value.Length || value[num++] != '=')
41 {
42 parsedValue = null;
43 return 0;
44 }
45 if (!TryReadQuotedAltAuthority(value, num, out var host, out var port, out var readLength2))
46 {
47 parsedValue = null;
48 return 0;
49 }
50 num += readLength2;
51 int? num2 = null;
52 bool persist = false;
53 while (num != value.Length)
54 {
55 for (; num != value.Length && IsOptionalWhiteSpace(value[num]); num++)
56 {
57 }
58 if (num == value.Length)
59 {
60 parsedValue = null;
61 return 0;
62 }
63 switch (value[num])
64 {
65 default:
66 parsedValue = null;
67 return 0;
68 case ';':
69 {
70 for (num++; num != value.Length && IsOptionalWhiteSpace(value[num]); num++)
71 {
72 }
73 int tokenLength = HttpRuleParser.GetTokenLength(value, num);
74 if (tokenLength == 0)
75 {
76 parsedValue = null;
77 return 0;
78 }
79 if (num + tokenLength >= value.Length || value[num + tokenLength] != '=')
80 {
81 parsedValue = null;
82 return 0;
83 }
84 if (tokenLength == 2 && value[num] == 'm' && value[num + 1] == 'a')
85 {
86 num += 3;
87 if (!TryReadTokenOrQuotedInt32(value, num, out var result2, out var readLength3))
88 {
89 parsedValue = null;
90 return 0;
91 }
92 num2 = (num2.HasValue ? new int?(Math.Min(num2.GetValueOrDefault(), result2)) : new int?(result2));
93 num += readLength3;
94 }
95 else if (value.AsSpan(num).StartsWith("persist="))
96 {
97 num += 8;
98 if (TryReadTokenOrQuotedInt32(value, num, out var result3, out var readLength4))
99 {
100 persist = result3 == 1;
101 }
102 else if (!TrySkipTokenOrQuoted(value, num, out readLength4))
103 {
104 parsedValue = null;
105 return 0;
106 }
107 num += readLength4;
108 }
109 else
110 {
111 num += tokenLength + 1;
112 if (!TrySkipTokenOrQuoted(value, num, out var readLength5))
113 {
114 parsedValue = null;
115 return 0;
116 }
117 num += readLength5;
118 }
119 continue;
120 }
121 case ',':
122 break;
123 }
124 break;
125 }
126 TimeSpan maxAge = TimeSpan.FromTicks(((long?)num2 * 10000000L) ?? 864000000000L);
127 parsedValue = new AltSvcHeaderValue(result, host, port, maxAge, persist);
128 return num - startIndex;
129 }
System.Net.Http.Headers.AltSvcHeaderParser.TrySkipTokenOrQuoted
static bool TrySkipTokenOrQuoted(string value, int startIndex, out int readLength)
Definition AltSvcHeaderParser.cs:376
System.Net.Http.Headers.AltSvcHeaderParser.TryReadQuotedAltAuthority
static bool TryReadQuotedAltAuthority(string value, int startIndex, out string host, out int port, out int readLength)
Definition AltSvcHeaderParser.cs:246
System.Net.Http.Headers.AltSvcHeaderParser.TryReadTokenOrQuotedInt32
static bool TryReadTokenOrQuotedInt32(string value, int startIndex, out int result, out int readLength)
Definition AltSvcHeaderParser.cs:309
System.Net.Http.Headers.AltSvcHeaderParser.TryReadPercentEncodedAlpnProtocolName
static bool TryReadPercentEncodedAlpnProtocolName(string value, int startIndex, [NotNullWhen(true)] out string result, out int readLength)
Definition AltSvcHeaderParser.cs:140

References System.Net.Http.Headers.AltSvcHeaderValue.Clear, System.TimeSpan.FromTicks(), System.Net.Http.HttpRuleParser.GetTokenLength(), System.Net.Http.Headers.AltSvcHeaderParser.IsOptionalWhiteSpace(), System.L, System.Math.Min(), System.startIndex, System.Net.Http.Headers.AltSvcHeaderParser.TryReadPercentEncodedAlpnProtocolName(), System.Net.Http.Headers.AltSvcHeaderParser.TryReadQuotedAltAuthority(), System.Net.Http.Headers.AltSvcHeaderParser.TryReadTokenOrQuotedInt32(), System.Net.Http.Headers.AltSvcHeaderParser.TrySkipTokenOrQuoted(), and System.value.