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authorLibravatar tobi <31960611+tsmethurst@users.noreply.github.com>2024-04-26 11:31:10 +0200
committerLibravatar GitHub <noreply@github.com>2024-04-26 11:31:10 +0200
commitfd8a724e77123d5035d4070581dab777b4533ebb (patch)
tree0d3d20ad5c7c2177d970ead12f5108d1d3666623 /vendor/github.com/go-openapi/jsonpointer/pointer.go
parent[chore] Upgrade our Go version to 1.22 (#2862) (diff)
downloadgotosocial-fd8a724e77123d5035d4070581dab777b4533ebb.tar.xz
[chore] Bump go swagger (#2871)
* bump go swagger version * bump swagger version
Diffstat (limited to 'vendor/github.com/go-openapi/jsonpointer/pointer.go')
-rw-r--r--vendor/github.com/go-openapi/jsonpointer/pointer.go191
1 files changed, 166 insertions, 25 deletions
diff --git a/vendor/github.com/go-openapi/jsonpointer/pointer.go b/vendor/github.com/go-openapi/jsonpointer/pointer.go
index 7df9853de..d970c7cf4 100644
--- a/vendor/github.com/go-openapi/jsonpointer/pointer.go
+++ b/vendor/github.com/go-openapi/jsonpointer/pointer.go
@@ -26,6 +26,7 @@
package jsonpointer
import (
+ "encoding/json"
"errors"
"fmt"
"reflect"
@@ -40,6 +41,7 @@ const (
pointerSeparator = `/`
invalidStart = `JSON pointer must be empty or start with a "` + pointerSeparator
+ notFound = `Can't find the pointer in the document`
)
var jsonPointableType = reflect.TypeOf(new(JSONPointable)).Elem()
@@ -48,13 +50,13 @@ var jsonSetableType = reflect.TypeOf(new(JSONSetable)).Elem()
// JSONPointable is an interface for structs to implement when they need to customize the
// json pointer process
type JSONPointable interface {
- JSONLookup(string) (interface{}, error)
+ JSONLookup(string) (any, error)
}
// JSONSetable is an interface for structs to implement when they need to customize the
// json pointer process
type JSONSetable interface {
- JSONSet(string, interface{}) error
+ JSONSet(string, any) error
}
// New creates a new json pointer for the given string
@@ -81,9 +83,7 @@ func (p *Pointer) parse(jsonPointerString string) error {
err = errors.New(invalidStart)
} else {
referenceTokens := strings.Split(jsonPointerString, pointerSeparator)
- for _, referenceToken := range referenceTokens[1:] {
- p.referenceTokens = append(p.referenceTokens, referenceToken)
- }
+ p.referenceTokens = append(p.referenceTokens, referenceTokens[1:]...)
}
}
@@ -91,38 +91,58 @@ func (p *Pointer) parse(jsonPointerString string) error {
}
// Get uses the pointer to retrieve a value from a JSON document
-func (p *Pointer) Get(document interface{}) (interface{}, reflect.Kind, error) {
+func (p *Pointer) Get(document any) (any, reflect.Kind, error) {
return p.get(document, swag.DefaultJSONNameProvider)
}
// Set uses the pointer to set a value from a JSON document
-func (p *Pointer) Set(document interface{}, value interface{}) (interface{}, error) {
+func (p *Pointer) Set(document any, value any) (any, error) {
return document, p.set(document, value, swag.DefaultJSONNameProvider)
}
// GetForToken gets a value for a json pointer token 1 level deep
-func GetForToken(document interface{}, decodedToken string) (interface{}, reflect.Kind, error) {
+func GetForToken(document any, decodedToken string) (any, reflect.Kind, error) {
return getSingleImpl(document, decodedToken, swag.DefaultJSONNameProvider)
}
// SetForToken gets a value for a json pointer token 1 level deep
-func SetForToken(document interface{}, decodedToken string, value interface{}) (interface{}, error) {
+func SetForToken(document any, decodedToken string, value any) (any, error) {
return document, setSingleImpl(document, value, decodedToken, swag.DefaultJSONNameProvider)
}
-func getSingleImpl(node interface{}, decodedToken string, nameProvider *swag.NameProvider) (interface{}, reflect.Kind, error) {
+func isNil(input any) bool {
+ if input == nil {
+ return true
+ }
+
+ kind := reflect.TypeOf(input).Kind()
+ switch kind { //nolint:exhaustive
+ case reflect.Ptr, reflect.Map, reflect.Slice, reflect.Chan:
+ return reflect.ValueOf(input).IsNil()
+ default:
+ return false
+ }
+}
+
+func getSingleImpl(node any, decodedToken string, nameProvider *swag.NameProvider) (any, reflect.Kind, error) {
rValue := reflect.Indirect(reflect.ValueOf(node))
kind := rValue.Kind()
+ if isNil(node) {
+ return nil, kind, fmt.Errorf("nil value has not field %q", decodedToken)
+ }
- if rValue.Type().Implements(jsonPointableType) {
- r, err := node.(JSONPointable).JSONLookup(decodedToken)
+ switch typed := node.(type) {
+ case JSONPointable:
+ r, err := typed.JSONLookup(decodedToken)
if err != nil {
return nil, kind, err
}
return r, kind, nil
+ case *any: // case of a pointer to interface, that is not resolved by reflect.Indirect
+ return getSingleImpl(*typed, decodedToken, nameProvider)
}
- switch kind {
+ switch kind { //nolint:exhaustive
case reflect.Struct:
nm, ok := nameProvider.GetGoNameForType(rValue.Type(), decodedToken)
if !ok {
@@ -159,7 +179,7 @@ func getSingleImpl(node interface{}, decodedToken string, nameProvider *swag.Nam
}
-func setSingleImpl(node, data interface{}, decodedToken string, nameProvider *swag.NameProvider) error {
+func setSingleImpl(node, data any, decodedToken string, nameProvider *swag.NameProvider) error {
rValue := reflect.Indirect(reflect.ValueOf(node))
if ns, ok := node.(JSONSetable); ok { // pointer impl
@@ -170,7 +190,7 @@ func setSingleImpl(node, data interface{}, decodedToken string, nameProvider *sw
return node.(JSONSetable).JSONSet(decodedToken, data)
}
- switch rValue.Kind() {
+ switch rValue.Kind() { //nolint:exhaustive
case reflect.Struct:
nm, ok := nameProvider.GetGoNameForType(rValue.Type(), decodedToken)
if !ok {
@@ -210,7 +230,7 @@ func setSingleImpl(node, data interface{}, decodedToken string, nameProvider *sw
}
-func (p *Pointer) get(node interface{}, nameProvider *swag.NameProvider) (interface{}, reflect.Kind, error) {
+func (p *Pointer) get(node any, nameProvider *swag.NameProvider) (any, reflect.Kind, error) {
if nameProvider == nil {
nameProvider = swag.DefaultJSONNameProvider
@@ -231,8 +251,7 @@ func (p *Pointer) get(node interface{}, nameProvider *swag.NameProvider) (interf
if err != nil {
return nil, knd, err
}
- node, kind = r, knd
-
+ node = r
}
rValue := reflect.ValueOf(node)
@@ -241,11 +260,11 @@ func (p *Pointer) get(node interface{}, nameProvider *swag.NameProvider) (interf
return node, kind, nil
}
-func (p *Pointer) set(node, data interface{}, nameProvider *swag.NameProvider) error {
+func (p *Pointer) set(node, data any, nameProvider *swag.NameProvider) error {
knd := reflect.ValueOf(node).Kind()
if knd != reflect.Ptr && knd != reflect.Struct && knd != reflect.Map && knd != reflect.Slice && knd != reflect.Array {
- return fmt.Errorf("only structs, pointers, maps and slices are supported for setting values")
+ return errors.New("only structs, pointers, maps and slices are supported for setting values")
}
if nameProvider == nil {
@@ -284,7 +303,7 @@ func (p *Pointer) set(node, data interface{}, nameProvider *swag.NameProvider) e
continue
}
- switch kind {
+ switch kind { //nolint:exhaustive
case reflect.Struct:
nm, ok := nameProvider.GetGoNameForType(rValue.Type(), decodedToken)
if !ok {
@@ -363,6 +382,128 @@ func (p *Pointer) String() string {
return pointerString
}
+func (p *Pointer) Offset(document string) (int64, error) {
+ dec := json.NewDecoder(strings.NewReader(document))
+ var offset int64
+ for _, ttk := range p.DecodedTokens() {
+ tk, err := dec.Token()
+ if err != nil {
+ return 0, err
+ }
+ switch tk := tk.(type) {
+ case json.Delim:
+ switch tk {
+ case '{':
+ offset, err = offsetSingleObject(dec, ttk)
+ if err != nil {
+ return 0, err
+ }
+ case '[':
+ offset, err = offsetSingleArray(dec, ttk)
+ if err != nil {
+ return 0, err
+ }
+ default:
+ return 0, fmt.Errorf("invalid token %#v", tk)
+ }
+ default:
+ return 0, fmt.Errorf("invalid token %#v", tk)
+ }
+ }
+ return offset, nil
+}
+
+func offsetSingleObject(dec *json.Decoder, decodedToken string) (int64, error) {
+ for dec.More() {
+ offset := dec.InputOffset()
+ tk, err := dec.Token()
+ if err != nil {
+ return 0, err
+ }
+ switch tk := tk.(type) {
+ case json.Delim:
+ switch tk {
+ case '{':
+ if err = drainSingle(dec); err != nil {
+ return 0, err
+ }
+ case '[':
+ if err = drainSingle(dec); err != nil {
+ return 0, err
+ }
+ }
+ case string:
+ if tk == decodedToken {
+ return offset, nil
+ }
+ default:
+ return 0, fmt.Errorf("invalid token %#v", tk)
+ }
+ }
+ return 0, fmt.Errorf("token reference %q not found", decodedToken)
+}
+
+func offsetSingleArray(dec *json.Decoder, decodedToken string) (int64, error) {
+ idx, err := strconv.Atoi(decodedToken)
+ if err != nil {
+ return 0, fmt.Errorf("token reference %q is not a number: %v", decodedToken, err)
+ }
+ var i int
+ for i = 0; i < idx && dec.More(); i++ {
+ tk, err := dec.Token()
+ if err != nil {
+ return 0, err
+ }
+
+ if delim, isDelim := tk.(json.Delim); isDelim {
+ switch delim {
+ case '{':
+ if err = drainSingle(dec); err != nil {
+ return 0, err
+ }
+ case '[':
+ if err = drainSingle(dec); err != nil {
+ return 0, err
+ }
+ }
+ }
+ }
+
+ if !dec.More() {
+ return 0, fmt.Errorf("token reference %q not found", decodedToken)
+ }
+ return dec.InputOffset(), nil
+}
+
+// drainSingle drains a single level of object or array.
+// The decoder has to guarantee the beginning delim (i.e. '{' or '[') has been consumed.
+func drainSingle(dec *json.Decoder) error {
+ for dec.More() {
+ tk, err := dec.Token()
+ if err != nil {
+ return err
+ }
+ if delim, isDelim := tk.(json.Delim); isDelim {
+ switch delim {
+ case '{':
+ if err = drainSingle(dec); err != nil {
+ return err
+ }
+ case '[':
+ if err = drainSingle(dec); err != nil {
+ return err
+ }
+ }
+ }
+ }
+
+ // Consumes the ending delim
+ if _, err := dec.Token(); err != nil {
+ return err
+ }
+ return nil
+}
+
// Specific JSON pointer encoding here
// ~0 => ~
// ~1 => /
@@ -377,14 +518,14 @@ const (
// Unescape unescapes a json pointer reference token string to the original representation
func Unescape(token string) string {
- step1 := strings.Replace(token, encRefTok1, decRefTok1, -1)
- step2 := strings.Replace(step1, encRefTok0, decRefTok0, -1)
+ step1 := strings.ReplaceAll(token, encRefTok1, decRefTok1)
+ step2 := strings.ReplaceAll(step1, encRefTok0, decRefTok0)
return step2
}
// Escape escapes a pointer reference token string
func Escape(token string) string {
- step1 := strings.Replace(token, decRefTok0, encRefTok0, -1)
- step2 := strings.Replace(step1, decRefTok1, encRefTok1, -1)
+ step1 := strings.ReplaceAll(token, decRefTok0, encRefTok0)
+ step2 := strings.ReplaceAll(step1, decRefTok1, encRefTok1)
return step2
}