go-mtree/walk.go

43 lines
1.1 KiB
Go

package mtree
import (
"os"
"path/filepath"
)
// ExcludeFunc is the type of function called on each path walked to determine
// whether to be excluded from the assembled DirectoryHierarchy. If the func
// returns true, then the path is not included in the spec.
type ExcludeFunc func(path string, info os.FileInfo) bool
//
// To be able to do a "walk" that produces an outcome with `/set ...` would
// need a more linear walk, which this can not ensure.
func Walk(root string, exlcudes []ExcludeFunc, keywords []string) (*DirectoryHierarchy, error) {
dh := DirectoryHierarchy{}
err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
for _, ex := range exlcudes {
if ex(path, info) {
return nil
}
}
e := Entry{}
//e.Name = filepath.Base(path)
e.Name = path
for _, keyword := range keywords {
if str, err := KeywordFuncs[keyword](path, info); err == nil && str != "" {
e.Keywords = append(e.Keywords, str)
} else if err != nil {
return err
}
}
// XXX
dh.Entries = append(dh.Entries, e)
return nil
})
return &dh, err
}