3
0
Files
corteza/pkg/envoy/yaml/decoder.go
2020-11-27 18:59:25 +01:00

53 lines
1.1 KiB
Go

package yaml
import (
"context"
"io"
"strings"
"github.com/cortezaproject/corteza-server/pkg/envoy"
"github.com/cortezaproject/corteza-server/pkg/envoy/resource"
"gopkg.in/yaml.v3"
)
type (
// decoder is a wrapper struct for yaml related methods
decoder struct{}
EnvoyMarshler interface {
MarshalEnvoy() ([]resource.Interface, error)
}
nodeDecoder interface {
DecodeNodes(ctx context.Context) ([]resource.Interface, error)
}
)
func Decoder() *decoder {
return &decoder{}
}
// CanDecodeFile checks if the file can be handled by this decoder
//
// @todo Add support for this; current library is unable to detect this.
func (y *decoder) CanDecodeFile(f io.Reader) bool {
return false
}
func (y *decoder) CanDecodeExt(ext string) bool {
pt := strings.Split(ext, ".")
return strings.TrimSpace(pt[len(pt)-1]) == "yaml"
}
func (y *decoder) Decode(ctx context.Context, r io.Reader, dctx *envoy.DecoderOpts) ([]resource.Interface, error) {
var (
doc = &Document{}
)
if err := yaml.NewDecoder(r).Decode(doc); err != nil {
return nil, err
}
return doc.Decode(ctx)
}