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file_info.go
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/
file_info.go
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package dfs
import (
"os"
"time"
"path/filepath"
)
// FileInfo implements os.FileInfo for a file in a datastore filesystem
type FileInfo struct {
fileData *FileData
}
// implements os.FileInfo
var _ os.FileInfo = (*FileInfo)(nil)
// NewFileInfo creates a new FileInfo object
func NewFileInfo(fileData *FileData) *FileInfo {
return &FileInfo{fileData: fileData}
}
// Name is the base name of the file
func (fi FileInfo) Name() string {
return filepath.Base(fi.fileData.name)
}
// Size is the length in bytes
func (fi FileInfo) Size() int64 {
if fi.fileData.Directory {
return int64(42)
}
return int64(len(fi.fileData.Data))
}
// Mode is the file mode bits
func (fi FileInfo) Mode() os.FileMode {
return os.FileMode(fi.fileData.Mode)
}
// ModTime is the last modification time
func (fi FileInfo) ModTime() time.Time {
return fi.fileData.ModTime
}
// IsDir is whether the file represents a directory
func (fi FileInfo) IsDir() bool {
return fi.fileData.Directory
}
// Sys is the underlying FileData
func (fi FileInfo) Sys() interface{} {
return fi.fileData
}