81 lines
2.0 KiB
Go
81 lines
2.0 KiB
Go
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])
|
|
}
|