mirror of
https://github.com/mikefarah/yq.git
synced 2024-11-12 13:48:06 +00:00
93 lines
2.5 KiB
Go
93 lines
2.5 KiB
Go
package yqlib
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import (
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"fmt"
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"github.com/jinzhu/copier"
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yaml "gopkg.in/yaml.v3"
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)
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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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Filename string
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FileIndex int
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// when performing op against all nodes given, this will treat all the nodes as one
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// (e.g. top level cross document merge). This property does not propegate to child nodes.
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EvaluateTogether bool
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IsMapKey bool
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}
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func (n *CandidateNode) GetKey() string {
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keyPrefix := ""
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if n.IsMapKey {
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keyPrefix = "key-"
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}
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return fmt.Sprintf("%v%v - %v", keyPrefix, n.Document, n.Path)
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}
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func (n *CandidateNode) CreateChild(path interface{}, node *yaml.Node) *CandidateNode {
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return &CandidateNode{
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Node: node,
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Path: n.createChildPath(path),
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Document: n.Document,
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Filename: n.Filename,
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FileIndex: n.FileIndex,
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}
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}
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func (n *CandidateNode) createChildPath(path interface{}) []interface{} {
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if path == nil {
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newPath := make([]interface{}, len(n.Path))
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copy(newPath, n.Path)
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return newPath
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}
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//don't use append as they may actually modify the path of the orignal node!
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newPath := make([]interface{}, len(n.Path)+1)
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copy(newPath, n.Path)
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newPath[len(n.Path)] = path
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return newPath
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}
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func (n *CandidateNode) Copy() (*CandidateNode, error) {
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clone := &CandidateNode{}
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err := copier.Copy(clone, n)
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if err != nil {
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return nil, err
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}
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return clone, nil
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}
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// updates this candidate from the given candidate node
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func (n *CandidateNode) UpdateFrom(other *CandidateNode) {
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n.UpdateAttributesFrom(other)
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n.Node.Content = other.Node.Content
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n.Node.Value = other.Node.Value
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}
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func (n *CandidateNode) UpdateAttributesFrom(other *CandidateNode) {
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log.Debug("UpdateAttributesFrom: n: %v other: %v", n.GetKey(), other.GetKey())
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if n.Node.Kind != other.Node.Kind {
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// clear out the contents when switching to a different type
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// e.g. map to array
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n.Node.Content = make([]*yaml.Node, 0)
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n.Node.Value = ""
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}
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n.Node.Kind = other.Node.Kind
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n.Node.Tag = other.Node.Tag
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n.Node.Alias = other.Node.Alias
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n.Node.Anchor = other.Node.Anchor
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// merge will pickup the style of the new thing
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// when autocreating nodes
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if n.Node.Style == 0 {
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n.Node.Style = other.Node.Style
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}
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n.Node.FootComment = n.Node.FootComment + other.Node.FootComment
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n.Node.HeadComment = n.Node.HeadComment + other.Node.HeadComment
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n.Node.LineComment = n.Node.LineComment + other.Node.LineComment
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}
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