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
|
// Code generated by go generate gonum.org/v1/gonum/graph/formats/rdf; DO NOT EDIT.
// Copyright ©2020 The Gonum Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package rdf
import (
"fmt"
"unicode"
)
%%{
machine checkLabel;
alphtype rune;
include check "check_actions.rl";
alphtype rune;
PN_CHARS_BASE = [A-Za-z]
| 0x00c0 .. 0x00d6
| 0x00d8 .. 0x00f6
| 0x00f8 .. 0x02ff
| 0x0370 .. 0x037d
| 0x037f .. 0x1fff
| 0x200c .. 0x200d
| 0x2070 .. 0x218f
| 0x2c00 .. 0x2fef
| 0x3001 .. 0xd7ff
| 0xf900 .. 0xfdcf
| 0xfdf0 .. 0xfffd
| 0x10000 .. 0xeffff
;
PN_CHARS_U = PN_CHARS_BASE | '_' | ':' ;
PN_CHARS = PN_CHARS_U
| '-'
| [0-9]
| 0xb7
| 0x0300 .. 0x036f
| 0x203f .. 0x2040
;
BLANK_NODE_LABEL = (PN_CHARS_U | [0-9]) ((PN_CHARS | '.')* PN_CHARS)? ;
value := BLANK_NODE_LABEL %Return @!Error ;
write data;
}%%
func checkLabelText(data []rune) (err error) {
var (
cs, p int
pe = len(data)
eof = pe
)
%%write init;
%%write exec;
return ErrInvalidTerm
}
%%{
machine checkLang;
alphtype byte;
include check "check_actions.rl";
LANGTAG = '@' [a-zA-Z]+ ('-' [a-zA-Z0-9]+)* ;
value := LANGTAG %Return @!Error ;
write data;
}%%
func checkLangText(data []byte) (err error) {
var (
cs, p int
pe = len(data)
eof = pe
)
%%write init;
%%write exec;
return ErrInvalidTerm
}
|
