terraform/internal/lang/marks/marks.go

45 lines
1.2 KiB
Go

package marks
import (
"strings"
"github.com/zclconf/go-cty/cty"
)
// valueMarks allow creating strictly typed values for use as cty.Value marks.
// The variable name for new values should be the title-cased format of the
// value to better match the GoString output for debugging.
type valueMark string
func (m valueMark) GoString() string {
return "marks." + strings.Title(string(m))
}
// Has returns true if and only if the cty.Value has the given mark.
func Has(val cty.Value, mark valueMark) bool {
return val.HasMark(mark)
}
// Contains returns true if the cty.Value or any any value within it contains
// the given mark.
func Contains(val cty.Value, mark valueMark) bool {
ret := false
cty.Walk(val, func(_ cty.Path, v cty.Value) (bool, error) {
if v.HasMark(mark) {
ret = true
return false, nil
}
return true, nil
})
return ret
}
// Sensitive indicates that this value is marked as sensitive in the context of
// Terraform.
var Sensitive = valueMark("sensitive")
// TypeType is used to indicate that the value contains a representation of
// another value's type. This is part of the implementation of the console-only
// `type` function.
var TypeType = valueMark("typeType")