Method node

encode.go:432–577

(node *Node, tail string)

}

func (e *encoder) node(node *Node, tail string) {
	// Zero nodes behave as nil.
	if node.Kind == 0 && node.IsZero() {
		e.nilv()
		return
	}

	// If the tag was not explicitly requested, and dropping it won't change the
	// implicit tag of the value, don't include it in the presentation.
	var tag = node.Tag
	var stag = shortTag(tag)
	var forceQuoting bool
	if tag != "" && node.Style&TaggedStyle == 0 {
		if node.Kind == ScalarNode {
			if stag == strTag && node.Style&(SingleQuotedStyle|DoubleQuotedStyle|LiteralStyle|FoldedStyle) != 0 {
				tag = ""
			} else {
				rtag, _ := resolve("", node.Value)
				if rtag == stag {
					tag = ""
				} else if stag == strTag {
					tag = ""
					forceQuoting = true
				}
			}
		} else {
			var rtag string
			switch node.Kind {
			case MappingNode:
				rtag = mapTag
			case SequenceNode:
				rtag = seqTag
			}
			if rtag == stag {
				tag = ""
			}
		}
	}

	switch node.Kind {
	case DocumentNode:
		yaml_document_start_event_initialize(&e.event, nil, nil, true)
		e.event.head_comment = []byte(node.HeadComment)
		e.emit()
		for _, node := range node.Content {
			e.node(node, "")
		}
		yaml_document_end_event_initialize(&e.event, true)
		e.event.foot_comment = []byte(node.FootComment)
		e.emit()

	case SequenceNode:
		style := yaml_BLOCK_SEQUENCE_STYLE
		if node.Style&FlowStyle != 0 {
			style = yaml_FLOW_SEQUENCE_STYLE
		}
		e.must(yaml_sequence_start_event_initialize(&e.event, []byte(node.Anchor), []byte(longTag(tag)), tag == "", style))
		e.event.head_comment = []byte(node.HeadComment)