78 lines
1.6 KiB
Go
78 lines
1.6 KiB
Go
package yaml
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import (
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"context"
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"io"
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"strings"
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"github.com/cortezaproject/corteza-server/pkg/handle"
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"github.com/cortezaproject/corteza-server/pkg/y7s"
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. "github.com/cortezaproject/corteza-server/pkg/y7s"
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"github.com/cortezaproject/corteza-server/pkg/envoy"
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"github.com/cortezaproject/corteza-server/pkg/envoy/resource"
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"gopkg.in/yaml.v3"
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)
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type (
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// decoder is a wrapper struct for yaml related methods
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decoder struct{}
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EnvoyMarshler interface {
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MarshalEnvoy() ([]resource.Interface, error)
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}
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)
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func Decoder() *decoder {
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return &decoder{}
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}
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// CanDecodeFile checks if the file can be handled by this decoder
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//
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// @todo Add support for this; current library is unable to detect this.
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func (y *decoder) CanDecodeFile(f io.Reader) bool {
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// relying on can-decode-ext for now
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return true
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}
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func (y *decoder) CanDecodeExt(name string) bool {
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var (
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pt = strings.Split(name, ".")
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ext = strings.TrimSpace(pt[len(pt)-1])
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)
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return ext == "yaml" || ext == "yml"
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}
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func (y *decoder) Decode(ctx context.Context, r io.Reader, dctx *envoy.DecoderOpts) ([]resource.Interface, error) {
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var (
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doc = &Document{}
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)
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if err := yaml.NewDecoder(r).Decode(doc); err != nil {
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return nil, err
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}
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aaa, err := doc.Decode(ctx)
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return aaa, err
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}
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// Checks validity of ref node and sets the value to given arg ptr
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func decodeRef(n *yaml.Node, refType string, ref *string) error {
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if n == nil {
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return nil
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}
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if !IsKind(n, yaml.ScalarNode) {
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return y7s.NodeErr(n, "%s reference must be scalar", refType)
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}
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if !handle.IsValid(n.Value) {
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return y7s.NodeErr(n, "%s reference must be a valid handle", refType)
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}
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*ref = n.Value
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return nil
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}
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