rclone/fs/metadata.go

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package fs
import "context"
// Metadata represents Object metadata in a standardised form
//
// See docs/content/metadata.md for the interpretation of the keys
type Metadata map[string]string
// MetadataHelp represents help for a bit of system metadata
type MetadataHelp struct {
Help string
Type string
Example string
ReadOnly bool
}
// MetadataInfo is help for the whole metadata for this backend.
type MetadataInfo struct {
System map[string]MetadataHelp
Help string
}
// Set k to v on m
//
// If m is nil, then it will get made
func (m *Metadata) Set(k, v string) {
if *m == nil {
*m = make(Metadata, 1)
}
(*m)[k] = v
}
// GetMetadata from an ObjectInfo
//
// If the object has no metadata then metadata will be nil
func GetMetadata(ctx context.Context, o ObjectInfo) (metadata Metadata, err error) {
do, ok := o.(Metadataer)
if !ok {
return nil, nil
}
return do.Metadata(ctx)
}