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package glob
// Pattern is a glob pattern.
type Pattern struct {
Segments []Segment
DirOverride string
}
// Segment is the building block of Pattern.
type Segment interface {
isSegment()
}
// Slash represents a slash "/".
type Slash struct{}
// Literal is a series of non-slash, non-wildcard characters, that is to be
// matched literally.
type Literal struct {
Data string
}
// Wild is a wildcard.
type Wild struct {
Type WildType
MatchHidden bool
Matchers []func(rune) bool
}
// WildType is the type of a Wild.
type WildType int
// Values for WildType.
const (
Question = iota
Star
StarStar
)
// Match returns whether a rune is within the match set.
func (w Wild) Match(r rune) bool {
if len(w.Matchers) == 0 {
return true
}
for _, m := range w.Matchers {
if m(r) {
return true
}
}
return false
}
func (Literal) isSegment() {}
func (Slash) isSegment() {}
func (Wild) isSegment() {}
// IsSlash returns whether a Segment is a Slash.
func IsSlash(seg Segment) bool {
_, ok := seg.(Slash)
return ok
}
// IsLiteral returns whether a Segment is a Literal.
func IsLiteral(seg Segment) bool {
_, ok := seg.(Literal)
return ok
}
// IsWild returns whether a Segment is a Wild.
func IsWild(seg Segment) bool {
_, ok := seg.(Wild)
return ok
}
// IsWild1 returns whether a Segment is a Wild and has the specified type.
func IsWild1(seg Segment, t WildType) bool {
return IsWild(seg) && seg.(Wild).Type == t
}
// IsWild2 returns whether a Segment is a Wild and has one of the two specified
// types.
func IsWild2(seg Segment, t1, t2 WildType) bool {
return IsWild(seg) && (seg.(Wild).Type == t1 || seg.(Wild).Type == t2)
}
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