vendor/github.com/hashicorp/hcl2/hcled/navigation.go

   1 package hcled
   2
   3 import (
   4         "github.com/hashicorp/hcl2/hcl"
   5 )
   6
   7 type contextStringer interface {
   8         ContextString(offset int) string
   9 }
  10
  11 // ContextString returns a string describing the context of the given byte
  12 // offset, if available. An empty string is returned if no such information
  13 // is available, or otherwise the returned string is in a form that depends
  14 // on the language used to write the referenced file.
  15 func ContextString(file *hcl.File, offset int) string {
  16         if cser, ok := file.Nav.(contextStringer); ok {
  17                 return cser.ContextString(offset)
  18         }
  19         return ""
  20 }
  21
  22 type contextDefRanger interface {
  23         ContextDefRange(offset int) hcl.Range
  24 }
  25
  26 func ContextDefRange(file *hcl.File, offset int) hcl.Range {
  27         if cser, ok := file.Nav.(contextDefRanger); ok {
  28                 defRange := cser.ContextDefRange(offset)
  29                 if !defRange.Empty() {
  30                         return defRange
  31                 }
  32         }
  33         return file.Body.MissingItemRange()
  34 }