github.com/charlievieth/fastwalk@v1.0.3/dirent_unix.go (about)

     1  //go:build (aix || darwin || dragonfly || freebsd || (js && wasm) || linux || netbsd || openbsd) && !appengine && !solaris
     2  // +build aix darwin dragonfly freebsd js,wasm linux netbsd openbsd
     3  // +build !appengine
     4  // +build !solaris
     5  
     6  package fastwalk
     7  
     8  import (
     9  	"io/fs"
    10  	"os"
    11  )
    12  
    13  type unixDirent struct {
    14  	parent string
    15  	name   string
    16  	typ    os.FileMode
    17  	info   *fileInfo
    18  	stat   *fileInfo
    19  }
    20  
    21  func (d *unixDirent) Name() string      { return d.name }
    22  func (d *unixDirent) IsDir() bool       { return d.typ.IsDir() }
    23  func (d *unixDirent) Type() os.FileMode { return d.typ }
    24  
    25  func (d *unixDirent) Info() (fs.FileInfo, error) {
    26  	info := loadFileInfo(&d.info)
    27  	info.once.Do(func() {
    28  		info.FileInfo, info.err = os.Lstat(d.parent + "/" + d.name)
    29  	})
    30  	return info.FileInfo, info.err
    31  }
    32  
    33  func (d *unixDirent) Stat() (fs.FileInfo, error) {
    34  	if d.typ&os.ModeSymlink == 0 {
    35  		return d.Info()
    36  	}
    37  	stat := loadFileInfo(&d.stat)
    38  	stat.once.Do(func() {
    39  		stat.FileInfo, stat.err = os.Stat(d.parent + "/" + d.name)
    40  	})
    41  	return stat.FileInfo, stat.err
    42  }
    43  
    44  func newUnixDirent(parent, name string, typ os.FileMode) *unixDirent {
    45  	return &unixDirent{
    46  		parent: parent,
    47  		name:   name,
    48  		typ:    typ,
    49  	}
    50  }
    51  
    52  func fileInfoToDirEntry(dirname string, fi fs.FileInfo) fs.DirEntry {
    53  	info := &fileInfo{
    54  		FileInfo: fi,
    55  	}
    56  	info.once.Do(func() {})
    57  	return &unixDirent{
    58  		parent: dirname,
    59  		name:   fi.Name(),
    60  		typ:    fi.Mode().Type(),
    61  		info:   info,
    62  	}
    63  }