yq/pkg/yqlib/operator_has.go

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2020-11-24 00:38:39 +00:00
package yqlib
import (
"container/list"
"strconv"
yaml "gopkg.in/yaml.v3"
)
func HasOperator(d *dataTreeNavigator, matchingNodes *list.List, pathNode *PathTreeNode) (*list.List, error) {
log.Debugf("-- hasOperation")
var results = list.New()
rhs, err := d.GetMatchingNodes(matchingNodes, pathNode.Rhs)
wanted := rhs.Front().Value.(*CandidateNode).Node
wantedKey := wanted.Value
if err != nil {
return nil, err
}
for el := matchingNodes.Front(); el != nil; el = el.Next() {
candidate := el.Value.(*CandidateNode)
// grab the first value
var contents = candidate.Node.Content
switch candidate.Node.Kind {
case yaml.MappingNode:
candidateHasKey := false
for index := 0; index < len(contents) && !candidateHasKey; index = index + 2 {
key := contents[index]
if key.Value == wantedKey {
candidateHasKey = true
}
}
results.PushBack(createBooleanCandidate(candidate, candidateHasKey))
case yaml.SequenceNode:
candidateHasKey := false
if wanted.Tag == "!!int" {
var number, errParsingInt = strconv.ParseInt(wantedKey, 10, 64) // nolint
if errParsingInt != nil {
return nil, errParsingInt
}
candidateHasKey = int64(len(contents)) > number
}
results.PushBack(createBooleanCandidate(candidate, candidateHasKey))
default:
results.PushBack(createBooleanCandidate(candidate, false))
}
}
return results, nil
}