1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
package stdlib
import (
"regexp"
"strings"
"github.com/zclconf/go-cty/cty"
"github.com/zclconf/go-cty/cty/function"
)
// ReplaceFunc is a function that searches a given string for another given
// substring, and replaces each occurence with a given replacement string.
// The substr argument is a simple string.
var ReplaceFunc = function.New(&function.Spec{
Params: []function.Parameter{
{
Name: "str",
Type: cty.String,
},
{
Name: "substr",
Type: cty.String,
},
{
Name: "replace",
Type: cty.String,
},
},
Type: function.StaticReturnType(cty.String),
Impl: func(args []cty.Value, retType cty.Type) (cty.Value, error) {
str := args[0].AsString()
substr := args[1].AsString()
replace := args[2].AsString()
return cty.StringVal(strings.Replace(str, substr, replace, -1)), nil
},
})
// RegexReplaceFunc is a function that searches a given string for another
// given substring, and replaces each occurence with a given replacement
// string. The substr argument must be a valid regular expression.
var RegexReplaceFunc = function.New(&function.Spec{
Params: []function.Parameter{
{
Name: "str",
Type: cty.String,
},
{
Name: "substr",
Type: cty.String,
},
{
Name: "replace",
Type: cty.String,
},
},
Type: function.StaticReturnType(cty.String),
Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
str := args[0].AsString()
substr := args[1].AsString()
replace := args[2].AsString()
re, err := regexp.Compile(substr)
if err != nil {
return cty.UnknownVal(cty.String), err
}
return cty.StringVal(re.ReplaceAllString(str, replace)), nil
},
})
// Replace searches a given string for another given substring,
// and replaces all occurrences with a given replacement string.
func Replace(str, substr, replace cty.Value) (cty.Value, error) {
return ReplaceFunc.Call([]cty.Value{str, substr, replace})
}
func RegexReplace(str, substr, replace cty.Value) (cty.Value, error) {
return RegexReplaceFunc.Call([]cty.Value{str, substr, replace})
}
|
