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infinitime/blefs/basic.go

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package blefs
import (
"io/fs"
"path/filepath"
)
// Stat does a ReadDir() and finds the current file in the output
func (blefs *FS) Stat(path string) (fs.FileInfo, error) {
// Get directory in filepath
dir := filepath.Dir(path)
// Read directory
dirEntries, err := blefs.ReadDir(dir)
if err != nil {
return nil, err
}
for _, entry := range dirEntries {
// If file name is base name of path
if entry.Name() == filepath.Base(path) {
// Return file info
return entry.Info()
}
}
return nil, ErrFileNotExists
}
// Rename moves or renames a file or directory
func (blefs *FS) Rename(old, new string) error {
// Create move request
err := blefs.request(
FSCmdMove,
true,
uint16(len(old)),
uint16(len(new)),
old,
byte(0x00),
new,
)
if err != nil {
return err
}
var status int8
// Upon receiving 0x61 (FSResponseMove)
blefs.on(FSResponseMove, func(data []byte) error {
// Read status byte
return decode(data, &status)
})
// If status is not ok, return error
if status != FSStatusOk {
return FSError{status}
}
return nil
}
// Remove removes a file or directory
func (blefs *FS) Remove(path string) error {
// Create delete request
err := blefs.request(
FSCmdDelete,
true,
uint16(len(path)),
path,
)
if err != nil {
return err
}
var status int8
// Upon receiving 0x31 (FSResponseDelete)
blefs.on(FSResponseDelete, func(data []byte) error {
// Read status byte
return decode(data, &status)
})
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if status != FSStatusOk {
// If status is not ok, return error
return FSError{status}
}
return nil
}