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
|
package graphql
import (
"encoding/json"
"fmt"
"io"
"strconv"
)
func MarshalID(s string) Marshaler {
return WriterFunc(func(w io.Writer) {
io.WriteString(w, strconv.Quote(s))
})
}
func UnmarshalID(v interface{}) (string, error) {
switch v := v.(type) {
case string:
return v, nil
case json.Number:
return string(v), nil
case int:
return strconv.Itoa(v), nil
case float64:
return fmt.Sprintf("%f", v), nil
case bool:
if v {
return "true", nil
} else {
return "false", nil
}
case nil:
return "null", nil
default:
return "", fmt.Errorf("%T is not a string", v)
}
}
func MarshalIntID(i int) Marshaler {
return WriterFunc(func(w io.Writer) {
writeQuotedString(w, strconv.Itoa(i))
})
}
func UnmarshalIntID(v interface{}) (int, error) {
switch v := v.(type) {
case string:
return strconv.Atoi(v)
case int:
return v, nil
case int64:
return int(v), nil
case json.Number:
return strconv.Atoi(string(v))
default:
return 0, fmt.Errorf("%T is not an int", v)
}
}
|
