mirror of https://github.com/mikefarah/yq.git
78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
package treeops
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import (
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"bytes"
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"fmt"
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"gopkg.in/op/go-logging.v1"
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"gopkg.in/yaml.v3"
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)
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var log = logging.MustGetLogger("yq-treeops")
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type CandidateNode struct {
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Node *yaml.Node // the actual node
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Path []interface{} /// the path we took to get to this node
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Document uint // the document index of this node
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// middle nodes are nodes that match along the original path, but not a
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// target match of the path. This is only relevant when ShouldOnlyDeeplyVisitLeaves is false.
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IsMiddleNode bool
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}
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func (n *CandidateNode) getKey() string {
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return fmt.Sprintf("%v - %v", n.Document, n.Path)
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}
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type YqTreeLib interface {
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Get(rootNode *yaml.Node, path string) ([]*CandidateNode, error)
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// GetForMerge(rootNode *yaml.Node, path string, arrayMergeStrategy ArrayMergeStrategy) ([]*NodeContext, error)
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// Update(rootNode *yaml.Node, updateCommand UpdateCommand, autoCreate bool) error
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// New(path string) yaml.Node
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// PathStackToString(pathStack []interface{}) string
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// MergePathStackToString(pathStack []interface{}, arrayMergeStrategy ArrayMergeStrategy) string
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}
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type lib struct {
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treeCreator PathTreeCreator
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}
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func NodeToString(node *CandidateNode) string {
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if !log.IsEnabledFor(logging.DEBUG) {
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return ""
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}
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value := node.Node
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if value == nil {
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return "-- node is nil --"
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}
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buf := new(bytes.Buffer)
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encoder := yaml.NewEncoder(buf)
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errorEncoding := encoder.Encode(value)
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if errorEncoding != nil {
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log.Error("Error debugging node, %v", errorEncoding.Error())
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}
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encoder.Close()
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return fmt.Sprintf(`-- Node --
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Document %v, path: %v
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Tag: %v, Kind: %v, Anchor: %v
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%v`, node.Document, node.Path, value.Tag, KindString(value.Kind), value.Anchor, buf.String())
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}
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func KindString(kind yaml.Kind) string {
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switch kind {
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case yaml.ScalarNode:
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return "ScalarNode"
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case yaml.SequenceNode:
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return "SequenceNode"
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case yaml.MappingNode:
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return "MappingNode"
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case yaml.DocumentNode:
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return "DocumentNode"
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case yaml.AliasNode:
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return "AliasNode"
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default:
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return "unknown!"
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}
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}
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