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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package hclsyntax
import (
"bytes"
"fmt"
"github.com/hashicorp/hcl/v2"
)
type navigation struct {
root *Body
}
// Implementation of hcled.ContextString
func (n navigation) ContextString(offset int) string {
// We will walk our top-level blocks until we find one that contains
// the given offset, and then construct a representation of the header
// of the block.
var block *Block
for _, candidate := range n.root.Blocks {
if candidate.Range().ContainsOffset(offset) {
block = candidate
break
}
}
if block == nil {
return ""
}
if len(block.Labels) == 0 {
// Easy case!
return block.Type
}
buf := &bytes.Buffer{}
buf.WriteString(block.Type)
for _, label := range block.Labels {
fmt.Fprintf(buf, " %q", label)
}
return buf.String()
}
func (n navigation) ContextDefRange(offset int) hcl.Range {
var block *Block
for _, candidate := range n.root.Blocks {
if candidate.Range().ContainsOffset(offset) {
block = candidate
break
}
}
if block == nil {
return hcl.Range{}
}
return block.DefRange()
}
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