package checkpoint import ( "github.com/docker/cli/cli/command/formatter" "github.com/docker/docker/api/types" ) const ( defaultCheckpointFormat = "table {{.Name}}" checkpointNameHeader = "CHECKPOINT NAME" ) // NewFormat returns a format for use with a checkpoint Context func NewFormat(source string) formatter.Format { switch source { case formatter.TableFormatKey: return defaultCheckpointFormat } return formatter.Format(source) } // FormatWrite writes formatted checkpoints using the Context func FormatWrite(ctx formatter.Context, checkpoints []types.Checkpoint) error { render := func(format func(subContext formatter.SubContext) error) error { for _, checkpoint := range checkpoints { if err := format(&checkpointContext{c: checkpoint}); err != nil { return err } } return nil } return ctx.Write(newCheckpointContext(), render) } type checkpointContext struct { formatter.HeaderContext c types.Checkpoint } func newCheckpointContext() *checkpointContext { cpCtx := checkpointContext{} cpCtx.Header = formatter.SubHeaderContext{ "Name": checkpointNameHeader, } return &cpCtx } func (c *checkpointContext) MarshalJSON() ([]byte, error) { return formatter.MarshalJSON(c) } func (c *checkpointContext) Name() string { return c.c.Name }