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Simplified when to visit a node

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This commit is contained in:
Mike Farah 2020-02-07 14:52:37 +11:00
parent af5724ba29
commit 29521f2e3e
1 changed files with 5 additions and 15 deletions
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20
pkg/yqlib/data_navigator.go
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@ -32,15 +32,11 @@ func (n *navigator) Traverse(value *yaml.Node, path []string) error {
func (n *navigator) doTraverse(value *yaml.Node, head string, tail []string, pathStack []interface{}) error {
if value.Kind == yaml.ScalarNode {
return n.navigationStrategy.Visit(NewNodeContext(value, head, tail, pathStack))
}
log.Debug("head %v", head)
DebugNode(value)
var errorDeepSplatting error
if head == "**" {
if head == "**" && value.Kind != yaml.ScalarNode {
if len(pathStack) == 0 || pathStack[len(pathStack)-1] != "<<" {
errorDeepSplatting = n.recurse(value, head, tail, pathStack)
}
@ -52,7 +48,7 @@ func (n *navigator) doTraverse(value *yaml.Node, head string, tail []string, pat
return errorDeepSplatting
}
if len(tail) > 0 {
if len(tail) > 0 && value.Kind != yaml.ScalarNode {
log.Debugf("diving into %v", tail[0])
DebugNode(value)
return n.recurse(value, tail[0], tail[1:], pathStack)
@ -89,18 +85,12 @@ func (n *navigator) recurse(value *yaml.Node, head string, tail []string, pathSt
log.Debug("its an alias!")
DebugNode(value.Alias)
if n.navigationStrategy.FollowAlias(NewNodeContext(value, head, tail, pathStack)) {
if value.Alias.Kind == yaml.ScalarNode {
log.Debug("alias to a scalar")
return n.navigationStrategy.Visit(NewNodeContext(value.Alias, head, tail, pathStack))
} else {
log.Debug("following the alias")
return n.recurse(value.Alias, head, tail, pathStack)
}
log.Debug("following the alias")
return n.recurse(value.Alias, head, tail, pathStack)
}
return nil
default:
return nil
return n.navigationStrategy.Visit(NewNodeContext(value, head, tail, pathStack))
}
}