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
|
package glob
import (
"github.com/gobwas/glob/compiler"
"github.com/gobwas/glob/syntax"
)
// Glob represents compiled glob pattern.
type Glob interface {
Match(string) bool
}
// Compile creates Glob for given pattern and strings (if any present after pattern) as separators.
// The pattern syntax is:
//
// pattern:
// { term }
//
// term:
// `*` matches any sequence of non-separator characters
// `**` matches any sequence of characters
// `?` matches any single non-separator character
// `[` [ `!` ] { character-range } `]`
// character class (must be non-empty)
// `{` pattern-list `}`
// pattern alternatives
// c matches character c (c != `*`, `**`, `?`, `\`, `[`, `{`, `}`)
// `\` c matches character c
//
// character-range:
// c matches character c (c != `\\`, `-`, `]`)
// `\` c matches character c
// lo `-` hi matches character c for lo <= c <= hi
//
// pattern-list:
// pattern { `,` pattern }
// comma-separated (without spaces) patterns
//
func Compile(pattern string, separators ...rune) (Glob, error) {
ast, err := syntax.Parse(pattern)
if err != nil {
return nil, err
}
matcher, err := compiler.Compile(ast, separators)
if err != nil {
return nil, err
}
return matcher, nil
}
// MustCompile is the same as Compile, except that if Compile returns error, this will panic
func MustCompile(pattern string, separators ...rune) Glob {
g, err := Compile(pattern, separators...)
if err != nil {
panic(err)
}
return g
}
// QuoteMeta returns a string that quotes all glob pattern meta characters
// inside the argument text; For example, QuoteMeta(`{foo*}`) returns `\[foo\*\]`.
func QuoteMeta(s string) string {
b := make([]byte, 2*len(s))
// a byte loop is correct because all meta characters are ASCII
j := 0
for i := 0; i < len(s); i++ {
if syntax.Special(s[i]) {
b[j] = '\\'
j++
}
b[j] = s[i]
j++
}
return string(b[0:j])
}
|
