DockerCLI/cli/command/checkpoint/formatter.go

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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
}