vendorify
diff --git a/go/vendor/github.com/go-openapi/jsonpointer/pointer.go b/go/vendor/github.com/go-openapi/jsonpointer/pointer.go
new file mode 100644
index 0000000..fe2d6ee
--- /dev/null
+++ b/go/vendor/github.com/go-openapi/jsonpointer/pointer.go
@@ -0,0 +1,390 @@
+// Copyright 2013 sigu-399 ( https://github.com/sigu-399 )
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// author sigu-399
+// author-github https://github.com/sigu-399
+// author-mail sigu.399@gmail.com
+//
+// repository-name jsonpointer
+// repository-desc An implementation of JSON Pointer - Go language
+//
+// description Main and unique file.
+//
+// created 25-02-2013
+
+package jsonpointer
+
+import (
+ "errors"
+ "fmt"
+ "reflect"
+ "strconv"
+ "strings"
+
+ "github.com/go-openapi/swag"
+)
+
+const (
+ emptyPointer = ``
+ pointerSeparator = `/`
+
+ invalidStart = `JSON pointer must be empty or start with a "` + pointerSeparator
+)
+
+var jsonPointableType = reflect.TypeOf(new(JSONPointable)).Elem()
+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)
+}
+
+// JSONSetable is an interface for structs to implement when they need to customize the
+// json pointer process
+type JSONSetable interface {
+ JSONSet(string, interface{}) error
+}
+
+// New creates a new json pointer for the given string
+func New(jsonPointerString string) (Pointer, error) {
+
+ var p Pointer
+ err := p.parse(jsonPointerString)
+ return p, err
+
+}
+
+// Pointer the json pointer reprsentation
+type Pointer struct {
+ referenceTokens []string
+}
+
+// "Constructor", parses the given string JSON pointer
+func (p *Pointer) parse(jsonPointerString string) error {
+
+ var err error
+
+ if jsonPointerString != emptyPointer {
+ if !strings.HasPrefix(jsonPointerString, pointerSeparator) {
+ err = errors.New(invalidStart)
+ } else {
+ referenceTokens := strings.Split(jsonPointerString, pointerSeparator)
+ for _, referenceToken := range referenceTokens[1:] {
+ p.referenceTokens = append(p.referenceTokens, referenceToken)
+ }
+ }
+ }
+
+ return err
+}
+
+// Get uses the pointer to retrieve a value from a JSON document
+func (p *Pointer) Get(document interface{}) (interface{}, 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) {
+ 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) {
+ 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) {
+ return document, setSingleImpl(document, value, decodedToken, swag.DefaultJSONNameProvider)
+}
+
+func getSingleImpl(node interface{}, decodedToken string, nameProvider *swag.NameProvider) (interface{}, reflect.Kind, error) {
+ rValue := reflect.Indirect(reflect.ValueOf(node))
+ kind := rValue.Kind()
+
+ switch kind {
+
+ case reflect.Struct:
+ if rValue.Type().Implements(jsonPointableType) {
+ r, err := node.(JSONPointable).JSONLookup(decodedToken)
+ if err != nil {
+ return nil, kind, err
+ }
+ return r, kind, nil
+ }
+ nm, ok := nameProvider.GetGoNameForType(rValue.Type(), decodedToken)
+ if !ok {
+ return nil, kind, fmt.Errorf("object has no field %q", decodedToken)
+ }
+ fld := rValue.FieldByName(nm)
+ return fld.Interface(), kind, nil
+
+ case reflect.Map:
+ kv := reflect.ValueOf(decodedToken)
+ mv := rValue.MapIndex(kv)
+
+ if mv.IsValid() && !swag.IsZero(mv) {
+ return mv.Interface(), kind, nil
+ }
+ return nil, kind, fmt.Errorf("object has no key %q", decodedToken)
+
+ case reflect.Slice:
+ tokenIndex, err := strconv.Atoi(decodedToken)
+ if err != nil {
+ return nil, kind, err
+ }
+ sLength := rValue.Len()
+ if tokenIndex < 0 || tokenIndex >= sLength {
+ return nil, kind, fmt.Errorf("index out of bounds array[0,%d] index '%d'", sLength-1, tokenIndex)
+ }
+
+ elem := rValue.Index(tokenIndex)
+ return elem.Interface(), kind, nil
+
+ default:
+ return nil, kind, fmt.Errorf("invalid token reference %q", decodedToken)
+ }
+
+}
+
+func setSingleImpl(node, data interface{}, decodedToken string, nameProvider *swag.NameProvider) error {
+ rValue := reflect.Indirect(reflect.ValueOf(node))
+ switch rValue.Kind() {
+
+ case reflect.Struct:
+ if ns, ok := node.(JSONSetable); ok { // pointer impl
+ return ns.JSONSet(decodedToken, data)
+ }
+
+ if rValue.Type().Implements(jsonSetableType) {
+ return node.(JSONSetable).JSONSet(decodedToken, data)
+ }
+
+ nm, ok := nameProvider.GetGoNameForType(rValue.Type(), decodedToken)
+ if !ok {
+ return fmt.Errorf("object has no field %q", decodedToken)
+ }
+ fld := rValue.FieldByName(nm)
+ if fld.IsValid() {
+ fld.Set(reflect.ValueOf(data))
+ }
+ return nil
+
+ case reflect.Map:
+ kv := reflect.ValueOf(decodedToken)
+ rValue.SetMapIndex(kv, reflect.ValueOf(data))
+ return nil
+
+ case reflect.Slice:
+ tokenIndex, err := strconv.Atoi(decodedToken)
+ if err != nil {
+ return err
+ }
+ sLength := rValue.Len()
+ if tokenIndex < 0 || tokenIndex >= sLength {
+ return fmt.Errorf("index out of bounds array[0,%d] index '%d'", sLength, tokenIndex)
+ }
+
+ elem := rValue.Index(tokenIndex)
+ if !elem.CanSet() {
+ return fmt.Errorf("can't set slice index %s to %v", decodedToken, data)
+ }
+ elem.Set(reflect.ValueOf(data))
+ return nil
+
+ default:
+ return fmt.Errorf("invalid token reference %q", decodedToken)
+ }
+
+}
+
+func (p *Pointer) get(node interface{}, nameProvider *swag.NameProvider) (interface{}, reflect.Kind, error) {
+
+ if nameProvider == nil {
+ nameProvider = swag.DefaultJSONNameProvider
+ }
+
+ kind := reflect.Invalid
+
+ // Full document when empty
+ if len(p.referenceTokens) == 0 {
+ return node, kind, nil
+ }
+
+ for _, token := range p.referenceTokens {
+
+ decodedToken := Unescape(token)
+
+ r, knd, err := getSingleImpl(node, decodedToken, nameProvider)
+ if err != nil {
+ return nil, knd, err
+ }
+ node, kind = r, knd
+
+ }
+
+ rValue := reflect.ValueOf(node)
+ kind = rValue.Kind()
+
+ return node, kind, nil
+}
+
+func (p *Pointer) set(node, data interface{}, 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")
+ }
+
+ if nameProvider == nil {
+ nameProvider = swag.DefaultJSONNameProvider
+ }
+
+ // Full document when empty
+ if len(p.referenceTokens) == 0 {
+ return nil
+ }
+
+ lastI := len(p.referenceTokens) - 1
+ for i, token := range p.referenceTokens {
+ isLastToken := i == lastI
+ decodedToken := Unescape(token)
+
+ if isLastToken {
+
+ return setSingleImpl(node, data, decodedToken, nameProvider)
+ }
+
+ rValue := reflect.Indirect(reflect.ValueOf(node))
+ kind := rValue.Kind()
+
+ switch kind {
+
+ case reflect.Struct:
+ if rValue.Type().Implements(jsonPointableType) {
+ r, err := node.(JSONPointable).JSONLookup(decodedToken)
+ if err != nil {
+ return err
+ }
+ fld := reflect.ValueOf(r)
+ if fld.CanAddr() && fld.Kind() != reflect.Interface && fld.Kind() != reflect.Map && fld.Kind() != reflect.Slice && fld.Kind() != reflect.Ptr {
+ node = fld.Addr().Interface()
+ continue
+ }
+ node = r
+ continue
+ }
+ nm, ok := nameProvider.GetGoNameForType(rValue.Type(), decodedToken)
+ if !ok {
+ return fmt.Errorf("object has no field %q", decodedToken)
+ }
+ fld := rValue.FieldByName(nm)
+ if fld.CanAddr() && fld.Kind() != reflect.Interface && fld.Kind() != reflect.Map && fld.Kind() != reflect.Slice && fld.Kind() != reflect.Ptr {
+ node = fld.Addr().Interface()
+ continue
+ }
+ node = fld.Interface()
+
+ case reflect.Map:
+ kv := reflect.ValueOf(decodedToken)
+ mv := rValue.MapIndex(kv)
+
+ if !mv.IsValid() {
+ return fmt.Errorf("object has no key %q", decodedToken)
+ }
+ if mv.CanAddr() && mv.Kind() != reflect.Interface && mv.Kind() != reflect.Map && mv.Kind() != reflect.Slice && mv.Kind() != reflect.Ptr {
+ node = mv.Addr().Interface()
+ continue
+ }
+ node = mv.Interface()
+
+ case reflect.Slice:
+ tokenIndex, err := strconv.Atoi(decodedToken)
+ if err != nil {
+ return err
+ }
+ sLength := rValue.Len()
+ if tokenIndex < 0 || tokenIndex >= sLength {
+ return fmt.Errorf("index out of bounds array[0,%d] index '%d'", sLength, tokenIndex)
+ }
+
+ elem := rValue.Index(tokenIndex)
+ if elem.CanAddr() && elem.Kind() != reflect.Interface && elem.Kind() != reflect.Map && elem.Kind() != reflect.Slice && elem.Kind() != reflect.Ptr {
+ node = elem.Addr().Interface()
+ continue
+ }
+ node = elem.Interface()
+
+ default:
+ return fmt.Errorf("invalid token reference %q", decodedToken)
+ }
+
+ }
+
+ return nil
+}
+
+// DecodedTokens returns the decoded tokens
+func (p *Pointer) DecodedTokens() []string {
+ result := make([]string, 0, len(p.referenceTokens))
+ for _, t := range p.referenceTokens {
+ result = append(result, Unescape(t))
+ }
+ return result
+}
+
+// IsEmpty returns true if this is an empty json pointer
+// this indicates that it points to the root document
+func (p *Pointer) IsEmpty() bool {
+ return len(p.referenceTokens) == 0
+}
+
+// Pointer to string representation function
+func (p *Pointer) String() string {
+
+ if len(p.referenceTokens) == 0 {
+ return emptyPointer
+ }
+
+ pointerString := pointerSeparator + strings.Join(p.referenceTokens, pointerSeparator)
+
+ return pointerString
+}
+
+// Specific JSON pointer encoding here
+// ~0 => ~
+// ~1 => /
+// ... and vice versa
+
+const (
+ encRefTok0 = `~0`
+ encRefTok1 = `~1`
+ decRefTok0 = `~`
+ decRefTok1 = `/`
+)
+
+// 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)
+ 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)
+ return step2
+}