-
Notifications
You must be signed in to change notification settings - Fork 8
/
parser.go
49 lines (45 loc) · 1.22 KB
/
parser.go
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
package jsonpointer
import (
"errors"
"strings"
)
var (
ErrJSONPointerInvalidSyntaxNoAnchorSlash = errors.New("invalid JSON Pointer format - no `#/`")
ErrJSONPointerInvalidSyntaxNonOneAnchorSlash = errors.New("invalid JSON Pointer format - non-1 `#/`")
)
type JSONPointer struct {
Document string
String string
PathString string
Path []string
}
func ParseJSONPointer(s string) (JSONPointer, error) {
anchorSlash := "#/"
slash := "/"
ptr := JSONPointer{String: s}
if strings.Index(s, anchorSlash) == 0 {
ptr.PathString = s
pathTrimmed := strings.TrimLeft(s, anchorSlash)
ptr.Path = strings.Split(pathTrimmed, "/")
return ptr, nil
} else if strings.Index(s, slash) == 0 {
ptr.PathString = s
pathTrimmed := strings.TrimLeft(s, slash)
ptr.Path = strings.Split(pathTrimmed, "/")
return ptr, nil
}
if !strings.Contains(s, anchorSlash) {
return ptr, ErrJSONPointerInvalidSyntaxNoAnchorSlash
}
parts := []string{}
if strings.Contains(s, anchorSlash) {
parts = strings.Split(s, anchorSlash)
}
if len(parts) != 2 {
return ptr, ErrJSONPointerInvalidSyntaxNonOneAnchorSlash
}
ptr.Document = parts[0]
ptr.PathString = parts[1]
ptr.Path = strings.Split(ptr.PathString, "/")
return ptr, nil
}