73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
package formatter
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import (
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"github.com/docker/docker/api/types/container"
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"github.com/docker/docker/pkg/archive"
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)
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const (
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defaultDiffTableFormat = "table {{.Type}}\t{{.Path}}"
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changeTypeHeader = "CHANGE TYPE"
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pathHeader = "PATH"
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)
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// NewDiffFormat returns a format for use with a diff Context
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func NewDiffFormat(source string) Format {
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switch source {
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case TableFormatKey:
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return defaultDiffTableFormat
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}
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return Format(source)
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}
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// DiffWrite writes formatted diff using the Context
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func DiffWrite(ctx Context, changes []container.ContainerChangeResponseItem) error {
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render := func(format func(subContext subContext) error) error {
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for _, change := range changes {
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if err := format(&diffContext{c: change}); err != nil {
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return err
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}
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}
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return nil
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}
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return ctx.Write(newDiffContext(), render)
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}
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type diffContext struct {
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HeaderContext
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c container.ContainerChangeResponseItem
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}
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func newDiffContext() *diffContext {
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diffCtx := diffContext{}
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diffCtx.header = map[string]string{
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"Type": changeTypeHeader,
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"Path": pathHeader,
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}
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return &diffCtx
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}
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func (d *diffContext) MarshalJSON() ([]byte, error) {
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return marshalJSON(d)
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}
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func (d *diffContext) Type() string {
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var kind string
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switch d.c.Kind {
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case archive.ChangeModify:
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kind = "C"
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case archive.ChangeAdd:
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kind = "A"
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case archive.ChangeDelete:
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kind = "D"
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}
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return kind
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}
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func (d *diffContext) Path() string {
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return d.c.Path
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}
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