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36 lines
843 B
Go
36 lines
843 B
Go
package yqlib
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import (
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"encoding/base64"
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"fmt"
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"io"
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)
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type base64Encoder struct {
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encoding base64.Encoding
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}
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func NewBase64Encoder() Encoder {
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return &base64Encoder{encoding: *base64.StdEncoding}
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}
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func (e *base64Encoder) CanHandleAliases() bool {
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return false
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}
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func (e *base64Encoder) PrintDocumentSeparator(_ io.Writer) error {
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return nil
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}
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func (e *base64Encoder) PrintLeadingContent(_ io.Writer, _ string) error {
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return nil
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}
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func (e *base64Encoder) Encode(writer io.Writer, node *CandidateNode) error {
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if node.guessTagFromCustomType() != "!!str" {
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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)
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}
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_, err := writer.Write([]byte(e.encoding.EncodeToString([]byte(node.Value))))
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return err
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}
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