github.com/viant/toolbox@v0.34.5/storage/file_info.go (about)

     1  package storage
     2  
     3  import (
     4  	"fmt"
     5  	"os"
     6  	"strings"
     7  	"time"
     8  )
     9  
    10  type fileInfo struct {
    11  	name    string
    12  	size    int64
    13  	mode    os.FileMode
    14  	modTime time.Time
    15  	isDir   bool
    16  }
    17  
    18  func (i *fileInfo) Name() string {
    19  	return i.name
    20  }
    21  
    22  func (i *fileInfo) Size() int64 {
    23  	return i.size
    24  }
    25  func (i *fileInfo) Mode() os.FileMode {
    26  	return i.mode
    27  }
    28  func (i *fileInfo) ModTime() time.Time {
    29  	return i.modTime
    30  }
    31  
    32  func (i *fileInfo) IsDir() bool {
    33  	return i.isDir
    34  }
    35  
    36  func (i *fileInfo) Sys() interface{} {
    37  	return i
    38  }
    39  
    40  func NewFileInfo(name string, size int64, mode os.FileMode, modificationTime time.Time, isDir bool) os.FileInfo {
    41  	return &fileInfo{
    42  		name:    name,
    43  		size:    size,
    44  		mode:    mode,
    45  		modTime: modificationTime,
    46  		isDir:   isDir,
    47  	}
    48  }
    49  
    50  func NewFileMode(fileAttributes string) (os.FileMode, error) {
    51  	var result os.FileMode
    52  	if len(fileAttributes) != 10 {
    53  		return result, fmt.Errorf("Invalid attribute length %v %v", fileAttributes, len(fileAttributes))
    54  	}
    55  
    56  	const fileType = "dalTLDpSugct"
    57  	var fileModePosition = strings.Index(fileType, string(fileAttributes[0]))
    58  	if fileModePosition != -1 {
    59  		result = 1 << uint(32-1-fileModePosition)
    60  	}
    61  
    62  	const filePermission = "rwxrwxrwx"
    63  	for i, c := range filePermission {
    64  		if c == rune(fileAttributes[i+1]) {
    65  			result = result | 1<<uint(9-1-i)
    66  		}
    67  	}
    68  	return result, nil
    69  
    70  }