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encoder_base64.go
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/
encoder_base64.go
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package yqlib
import (
"encoding/base64"
"fmt"
"io"
yaml "gopkg.in/yaml.v3"
)
type base64Encoder struct {
encoding base64.Encoding
}
func NewBase64Encoder() Encoder {
return &base64Encoder{encoding: *base64.StdEncoding}
}
func (e *base64Encoder) CanHandleAliases() bool {
return false
}
func (e *base64Encoder) PrintDocumentSeparator(writer io.Writer) error {
return nil
}
func (e *base64Encoder) PrintLeadingContent(writer io.Writer, content string) error {
return nil
}
func (e *base64Encoder) Encode(writer io.Writer, originalNode *yaml.Node) error {
node := unwrapDoc(originalNode)
if guessTagFromCustomType(node) != "!!str" {
return fmt.Errorf("cannot encode %v as base64, can only operate on strings. Please first pipe through another encoding operator to convert the value to a string", node.Tag)
}
_, err := writer.Write([]byte(e.encoding.EncodeToString([]byte(originalNode.Value))))
return err
}