97 lines
2.8 KiB
Go
97 lines
2.8 KiB
Go
package globpath
|
|
|
|
import (
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/bmatcuk/doublestar/v3"
|
|
"github.com/gobwas/glob"
|
|
)
|
|
|
|
type GlobPath struct {
|
|
path string
|
|
hasMeta bool
|
|
HasSuperMeta bool
|
|
rootGlob string
|
|
g glob.Glob
|
|
}
|
|
|
|
func Compile(path string) (*GlobPath, error) {
|
|
out := GlobPath{
|
|
hasMeta: hasMeta(path),
|
|
HasSuperMeta: hasSuperMeta(path),
|
|
path: filepath.FromSlash(path),
|
|
}
|
|
|
|
// if there are no glob meta characters in the path, don't bother compiling
|
|
// a glob object
|
|
if !out.hasMeta || !out.HasSuperMeta {
|
|
return &out, nil
|
|
}
|
|
|
|
// find the root elements of the object path, the entry point for recursion
|
|
// when you have a super-meta in your path (which are :
|
|
// glob(/your/expression/until/first/star/of/super-meta))
|
|
out.rootGlob = path[:strings.Index(path, "**")+1]
|
|
var err error
|
|
if out.g, err = glob.Compile(path, os.PathSeparator); err != nil {
|
|
return nil, err
|
|
}
|
|
return &out, nil
|
|
}
|
|
|
|
// Match returns all files matching the expression.
|
|
// If it's a static path, returns path.
|
|
// All returned path will have the host platform separator.
|
|
func (g *GlobPath) Match() []string {
|
|
// This string replacement is for backwards compatibility support
|
|
// The original implementation allowed **.txt but the double star package requires **/**.txt
|
|
g.path = strings.ReplaceAll(g.path, "**/**", "**")
|
|
g.path = strings.ReplaceAll(g.path, "**", "**/**")
|
|
|
|
//nolint:errcheck // pattern is known
|
|
files, _ := doublestar.Glob(g.path)
|
|
return files
|
|
}
|
|
|
|
// MatchString tests the path string against the glob. The path should contain
|
|
// the host platform separator.
|
|
func (g *GlobPath) MatchString(path string) bool {
|
|
if !g.HasSuperMeta {
|
|
//nolint:errcheck // pattern is known
|
|
res, _ := filepath.Match(g.path, path)
|
|
return res
|
|
}
|
|
return g.g.Match(path)
|
|
}
|
|
|
|
// GetRoots returns a list of files and directories which should be optimal
|
|
// prefixes of matching files when you have a super-meta in your expression :
|
|
// - any directory under these roots may contain a matching file
|
|
// - no file outside of these roots can match the pattern
|
|
// Note that it returns both files and directories.
|
|
// All returned path will have the host platform separator.
|
|
func (g *GlobPath) GetRoots() []string {
|
|
if !g.hasMeta {
|
|
return []string{g.path}
|
|
}
|
|
if !g.HasSuperMeta {
|
|
//nolint:errcheck // pattern is known
|
|
matches, _ := filepath.Glob(g.path)
|
|
return matches
|
|
}
|
|
//nolint:errcheck // pattern is known
|
|
roots, _ := filepath.Glob(g.rootGlob)
|
|
return roots
|
|
}
|
|
|
|
// hasMeta reports whether path contains any magic glob characters.
|
|
func hasMeta(path string) bool {
|
|
return strings.ContainsAny(path, "*?[")
|
|
}
|
|
|
|
// hasSuperMeta reports whether path contains any super magic glob characters (**).
|
|
func hasSuperMeta(path string) bool {
|
|
return strings.Contains(path, "**")
|
|
}
|