blob: b781b8eee6d115214bf3d353165b8ab49ad4909d (
plain)
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
|
/*
* PEG.js grammar for iCal (http://tools.ietf.org/html/rfc5545).
*/
{
var foldRe = /[\n][ \t]/g;
while (foldRe.test(input)) {
input = input.replace(foldRe, '');
}
}
start
= ContentLineList
/ "" { return []; }
ContentLineList
= head:ContentLine tail:(LineEnd ContentLine)* {
var result = [head], i = 0;
for (; i < tail.length; ++i) result.push(tail[i][1]);
return result;
}
ContentLine
= name:Name params:(";" Param)* ":" value:Value {
var par = [], i = 0;
for (i = 0; i < params.length; ++i) par.push(params[i][1]);
return {name:name, params:par, value:value};
}
Name
= XName
/ IANAToken
IANAToken
= token:([A-Za-z0-9-]+) { return token.join(""); }
XName
= x:"X-" vendor:(VendorID "-")? tok:[A-Za-z0-9-]+ {
if (vendor !== null) vendor = vendor[0] + '-';
else vendor = '';
return x + vendor + tok.join("");
}
VendorID
= chars:[A-Za-z0-9]+ {
return chars.join("");
}
Param
= name:ParamName "=" params:ParamValueList {
return {name:name, values:params};
}
ParamValueList
= head:ParamValue tail:("," ParamValue)* {
var result = [head];
var i = 0;
for (i = 0; i < tail.length; ++i) result.push(tail[i][1]);
return result;
}
ParamName "ParamName"
= XName
/ IANAToken
ParamValue "ParamValue"
= QuotedString / ParamText
ParamText "ParamText"
= chars:SAFE_CHAR* { return chars.join(""); }
Value "Value"
= chars:VALUE_CHAR* { return chars.join(""); }
QuotedString "QuotedString"
= '"' chars:QSAFE_CHAR* '"' { return '"' + chars.join("") + '"'; }
QSAFE_CHAR "QSAFE_CHAR"
= [ \t\x21\x23-\x7E]
/ NON_US_ASCII
SAFE_CHAR "SAFE_CHAR"
= [ \t\x21\x23-\x2B\x2D-\x39\x3C-\x7E]
/ NON_US_ASCII
VALUE_CHAR "VALUE_CHAR"
= [ \t\x21-\x7E]
/ NON_US_ASCII
NON_US_ASCII
= UTF8_2
/ UTF8_3
/ UTF8_4
LineEnd "LineEnd"
= CR LF
/ LF
CR "CR"
= "\r"
LF "LF"
= "\n"
UTF8_Octets
= UTF8_Char*
UTF8_Char
= UTF8_1
/ UTF8_2
/ UTF8_3
/ UTF8_4
UTF8_1
= [\x00-\x7F]
UTF8_2
= [\xC2-\xDF] UTF8_Tail
UTF8_3
= "\xE0" [\xA0-\xBF] UTF8_Tail
/ [\xE1-\xEC] UTF8_Tail2
/ "\xED" [\x80-\x9F] UTF8_Tail
/ [\xEE-\xEF] UTF8_Tail2
UTF8_4
= "\xF0" [\x90-\xBF] UTF8_Tail2
/ [\xF1-\xF3] UTF8_Tail2 UTF8_Tail
/ "\xF4" [\x80-\x8F] UTF8_Tail2
UTF8_Tail
= [\x80-\xBF]
UTF8_Tail2
= UTF8_Tail UTF8_Tail
|
