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b513597546
The string form was presumably useful before the introduction of layouts, but right now it just makes call sequences and garbage collection more expensive (the latter because every string contains a pointer to be scanned).
80 lines
1.3 KiB
Go
80 lines
1.3 KiB
Go
package restic
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import (
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"fmt"
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"github.com/restic/restic/internal/errors"
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)
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// FileType is the type of a file in the backend.
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type FileType uint8
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// These are the different data types a backend can store.
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const (
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PackFile FileType = 1 + iota
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KeyFile
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LockFile
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SnapshotFile
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IndexFile
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ConfigFile
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)
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func (t FileType) String() string {
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s := "invalid"
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switch t {
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case PackFile:
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// Spelled "data" instead of "pack" for historical reasons.
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s = "data"
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case KeyFile:
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s = "key"
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case LockFile:
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s = "lock"
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case SnapshotFile:
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s = "snapshot"
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case IndexFile:
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s = "index"
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case ConfigFile:
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s = "config"
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}
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return s
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}
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// Handle is used to store and access data in a backend.
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type Handle struct {
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Type FileType
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ContainedBlobType BlobType
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Name string
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}
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func (h Handle) String() string {
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name := h.Name
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if len(name) > 10 {
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name = name[:10]
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}
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return fmt.Sprintf("<%s/%s>", h.Type, name)
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}
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// Valid returns an error if h is not valid.
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func (h Handle) Valid() error {
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switch h.Type {
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case PackFile:
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case KeyFile:
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case LockFile:
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case SnapshotFile:
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case IndexFile:
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case ConfigFile:
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default:
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return errors.Errorf("invalid Type %d", h.Type)
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}
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if h.Type == ConfigFile {
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return nil
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}
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if h.Name == "" {
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return errors.New("invalid Name")
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}
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return nil
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}
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