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
|
package jsonschema
import "strings"
// TODO this file contains functionality that mimics the JSON Pointer functionality
// in https://pkg.go.dev/github.com/go-json-experiment/json/jsontext#Pointer;
// perhaps use it when it moves into the stdlib as json/v2.
var (
jsonPtrEsc = strings.NewReplacer("~", "~0", "/", "~1")
jsonPtrUnesc = strings.NewReplacer("~0", "~", "~1", "/")
)
// TODO(go1.23) func jsonPointerFromTokens(tokens iter.Seq[string]) string
func jsonPointerFromTokens(tokens func(func(string) bool)) string {
var buf strings.Builder
// TODO for tok := range tokens {
tokens(func(tok string) bool {
buf.WriteByte('/')
buf.WriteString(jsonPtrEsc.Replace(tok))
return true
})
return buf.String()
}
// TODO(go1.23) func jsonPointerTokens(p string) iter.Seq[string]
func jsonPointerTokens(p string) func(func(string) bool) {
return func(yield func(string) bool) {
needUnesc := strings.IndexByte(p, '~') >= 0
for len(p) > 0 {
p = strings.TrimPrefix(p, "/")
i := min(uint(strings.IndexByte(p, '/')), uint(len(p)))
var ok bool
if needUnesc {
ok = yield(jsonPtrUnesc.Replace(p[:i]))
} else {
ok = yield(p[:i])
}
if !ok {
return
}
p = p[i:]
}
}
}
|
