hcl/ext/dynblock/variables_hcldec.go

34 lines
1.1 KiB
Go

package dynblock
import (
"github.com/hashicorp/hcl2/hcl"
"github.com/hashicorp/hcl2/hcldec"
)
// ForEachVariablesHCLDec is a wrapper around WalkForEachVariables that
// uses the given hcldec specification to automatically drive the recursive
// walk through nested blocks in the given body.
//
// This provides more convenient access to all of the "for_each" and "labels"
// dependencies in a body for applications that are already using hcldec
// as a more convenient way to recursively decode body contents.
func ForEachVariablesHCLDec(body hcl.Body, spec hcldec.Spec) []hcl.Traversal {
rootNode := WalkForEachVariables(body)
return walkVariablesWithHCLDec(rootNode, spec)
}
func walkVariablesWithHCLDec(node WalkVariablesNode, spec hcldec.Spec) []hcl.Traversal {
vars, children := node.Visit(hcldec.ImpliedSchema(spec))
if len(children) > 0 {
childSpecs := hcldec.ChildBlockTypes(spec)
for _, child := range children {
if childSpec, exists := childSpecs[child.BlockTypeName]; exists {
vars = append(vars, walkVariablesWithHCLDec(child.Node, childSpec)...)
}
}
}
return vars
}