yq/pkg/yqlib/encoder_base64.go

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package yqlib
import (
"encoding/base64"
"fmt"
"io"
)
type base64Encoder struct {
encoding base64.Encoding
}
func NewBase64Encoder() Encoder {
return &base64Encoder{encoding: *base64.StdEncoding}
}
func (e *base64Encoder) CanHandleAliases() bool {
return false
}
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func (e *base64Encoder) PrintDocumentSeparator(_ io.Writer) error {
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return nil
}
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func (e *base64Encoder) PrintLeadingContent(_ io.Writer, _ string) error {
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return nil
}
func (e *base64Encoder) Encode(writer io.Writer, node *CandidateNode) error {
if node.guessTagFromCustomType() != "!!str" {
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return fmt.Errorf("cannot encode %v as base64, can only operate on strings", node.Tag)
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}
_, err := writer.Write([]byte(e.encoding.EncodeToString([]byte(node.Value))))
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return err
}