Update vendor with `go dep`

This fix updates vendor with `go dep`

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

9 files changed, 1411 insertions, 0 deletions

diff --git a/vendor/github.com/go-openapi/jsonpointer/.editorconfig b/vendor/github.com/go-openapi/jsonpointer/.editorconfig
new file mode 100644
index 000000000..3152da69a
--- /dev/null
+++ b/vendor/github.com/go-openapi/jsonpointer/.editorconfig
@@ -0,0 +1,26 @@
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+
+# Set default charset
+[*.{js,py,go,scala,rb,java,html,css,less,sass,md}]
+charset = utf-8
+
+# Tab indentation (no size specified)
+[*.go]
+indent_style = tab
+
+[*.md]
+trim_trailing_whitespace = false
+
+# Matches the exact files either package.json or .travis.yml
+[{package.json,.travis.yml}]
+indent_style = space
+indent_size = 2
diff --git a/vendor/github.com/go-openapi/jsonpointer/.github/CONTRIBUTING.md b/vendor/github.com/go-openapi/jsonpointer/.github/CONTRIBUTING.md
new file mode 100644
index 000000000..7dea4240d
--- /dev/null
+++ b/vendor/github.com/go-openapi/jsonpointer/.github/CONTRIBUTING.md
@@ -0,0 +1,117 @@
+## Contribution Guidelines
+
+### Pull requests are always welcome
+
+We are always thrilled to receive pull requests, and do our best to
+process them as fast as possible. Not sure if that typo is worth a pull
+request? Do it! We will appreciate it.
+
+If your pull request is not accepted on the first try, don't be
+discouraged! If there's a problem with the implementation, hopefully you
+received feedback on what to improve.
+
+We're trying very hard to keep go-swagger lean and focused. We don't want it
+to do everything for everybody. This means that we might decide against
+incorporating a new feature. However, there might be a way to implement
+that feature *on top of* go-swagger.
+
+
+### Conventions
+
+Fork the repo and make changes on your fork in a feature branch:
+
+- If it's a bugfix branch, name it XXX-something where XXX is the number of the
+  issue
+- If it's a feature branch, create an enhancement issue to announce your
+  intentions, and name it XXX-something where XXX is the number of the issue.
+
+Submit unit tests for your changes.  Go has a great test framework built in; use
+it! Take a look at existing tests for inspiration. Run the full test suite on
+your branch before submitting a pull request.
+
+Update the documentation when creating or modifying features. Test
+your documentation changes for clarity, concision, and correctness, as
+well as a clean documentation build. See ``docs/README.md`` for more
+information on building the docs and how docs get released.
+
+Write clean code. Universally formatted code promotes ease of writing, reading,
+and maintenance. Always run `gofmt -s -w file.go` on each changed file before
+committing your changes. Most editors have plugins that do this automatically.
+
+Pull requests descriptions should be as clear as possible and include a
+reference to all the issues that they address.
+
+Pull requests must not contain commits from other users or branches.
+
+Commit messages must start with a capitalized and short summary (max. 50
+chars) written in the imperative, followed by an optional, more detailed
+explanatory text which is separated from the summary by an empty line.
+
+Code review comments may be added to your pull request. Discuss, then make the
+suggested modifications and push additional commits to your feature branch. Be
+sure to post a comment after pushing. The new commits will show up in the pull
+request automatically, but the reviewers will not be notified unless you
+comment.
+
+Before the pull request is merged, make sure that you squash your commits into
+logical units of work using `git rebase -i` and `git push -f`. After every
+commit the test suite should be passing. Include documentation changes in the
+same commit so that a revert would remove all traces of the feature or fix.
+
+Commits that fix or close an issue should include a reference like `Closes #XXX`
+or `Fixes #XXX`, which will automatically close the issue when merged.
+
+### Sign your work
+
+The sign-off is a simple line at the end of the explanation for the
+patch, which certifies that you wrote it or otherwise have the right to
+pass it on as an open-source patch.  The rules are pretty simple: if you
+can certify the below (from
+[developercertificate.org](http://developercertificate.org/)):
+
+```
+Developer Certificate of Origin
+Version 1.1
+
+Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
+660 York Street, Suite 102,
+San Francisco, CA 94110 USA
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+
+Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the open source license
+    indicated in the file; or
+
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the same open source license (unless I am
+    permitted to submit under a different license), as indicated
+    in the file; or
+
+(c) The contribution was provided directly to me by some other
+    person who certified (a), (b) or (c) and I have not modified
+    it.
+
+(d) I understand and agree that this project and the contribution
+    are public and that a record of the contribution (including all
+    personal information I submit with it, including my sign-off) is
+    maintained indefinitely and may be redistributed consistent with
+    this project or the open source license(s) involved.
+```
+
+then you just add a line to every git commit message:
+
+    Signed-off-by: Joe Smith <joe@gmail.com>
+
+using your real name (sorry, no pseudonyms or anonymous contributions.)
+
+You can add the sign off when creating the git commit via `git commit -s`.
diff --git a/vendor/github.com/go-openapi/jsonpointer/.gitignore b/vendor/github.com/go-openapi/jsonpointer/.gitignore
new file mode 100644
index 000000000..769c24400
--- /dev/null
+++ b/vendor/github.com/go-openapi/jsonpointer/.gitignore
@@ -0,0 +1 @@
+secrets.yml
diff --git a/vendor/github.com/go-openapi/jsonpointer/.travis.yml b/vendor/github.com/go-openapi/jsonpointer/.travis.yml
new file mode 100644
index 000000000..d0f383a26
--- /dev/null
+++ b/vendor/github.com/go-openapi/jsonpointer/.travis.yml
@@ -0,0 +1,13 @@
+language: go
+go:
+- 1.7
+install:
+- go get -u github.com/stretchr/testify/assert
+- go get -u github.com/go-openapi/swag
+script:
+- go test -v -race -cover -coverprofile=coverage.txt -covermode=atomic ./...
+after_success:
+- bash <(curl -s https://codecov.io/bash)
+notifications:
+  slack:
+    secure: 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
diff --git a/vendor/github.com/go-openapi/jsonpointer/CODE_OF_CONDUCT.md b/vendor/github.com/go-openapi/jsonpointer/CODE_OF_CONDUCT.md
new file mode 100644
index 000000000..9322b065e
--- /dev/null
+++ b/vendor/github.com/go-openapi/jsonpointer/CODE_OF_CONDUCT.md
@@ -0,0 +1,74 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, gender identity and expression, level of experience,
+nationality, personal appearance, race, religion, or sexual identity and
+orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at ivan+abuse@flanders.co.nz. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at [http://contributor-covenant.org/version/1/4][version]
+
+[homepage]: http://contributor-covenant.org
+[version]: http://contributor-covenant.org/version/1/4/
diff --git a/vendor/github.com/go-openapi/jsonpointer/LICENSE b/vendor/github.com/go-openapi/jsonpointer/LICENSE
new file mode 100644
index 000000000..d64569567
--- /dev/null
+++ b/vendor/github.com/go-openapi/jsonpointer/LICENSE
@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+          of the NOTICE file are for informational purposes only and
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+          notices within Derivative Works that You distribute, alongside
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+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
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diff --git a/vendor/github.com/go-openapi/jsonpointer/README.md b/vendor/github.com/go-openapi/jsonpointer/README.md
new file mode 100644
index 000000000..813788aff
--- /dev/null
+++ b/vendor/github.com/go-openapi/jsonpointer/README.md
@@ -0,0 +1,15 @@
+# gojsonpointer [![Build Status](https://travis-ci.org/go-openapi/jsonpointer.svg?branch=master)](https://travis-ci.org/go-openapi/jsonpointer) [![codecov](https://codecov.io/gh/go-openapi/jsonpointer/branch/master/graph/badge.svg)](https://codecov.io/gh/go-openapi/jsonpointer) [![Slack Status](https://slackin.goswagger.io/badge.svg)](https://slackin.goswagger.io)
+
+[![license](http://img.shields.io/badge/license-Apache%20v2-orange.svg)](https://raw.githubusercontent.com/go-openapi/jsonpointer/master/LICENSE) [![GoDoc](https://godoc.org/github.com/go-openapi/jsonpointer?status.svg)](http://godoc.org/github.com/go-openapi/jsonpointer)
+An implementation of JSON Pointer - Go language
+
+## Status
+Completed YES
+
+Tested YES
+
+## References
+http://tools.ietf.org/html/draft-ietf-appsawg-json-pointer-07
+
+### Note
+The 4.Evaluation part of the previous reference, starting with 'If the currently referenced value is a JSON array, the reference token MUST contain either...' is not implemented.
diff --git a/vendor/github.com/go-openapi/jsonpointer/pointer.go b/vendor/github.com/go-openapi/jsonpointer/pointer.go
new file mode 100644
index 000000000..fe2d6ee57
--- /dev/null
+++ b/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
+}
diff --git a/vendor/github.com/go-openapi/jsonpointer/pointer_test.go b/vendor/github.com/go-openapi/jsonpointer/pointer_test.go
new file mode 100644
index 000000000..eabd58603
--- /dev/null
+++ b/vendor/github.com/go-openapi/jsonpointer/pointer_test.go
@@ -0,0 +1,573 @@
+// 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    Automated tests on package.
+//
+// created        03-03-2013
+
+package jsonpointer
+
+import (
+	"encoding/json"
+	"fmt"
+	"strconv"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+const (
+	TestDocumentNBItems = 11
+	TestNodeObjNBItems  = 4
+	TestDocumentString  = `{
+"foo": ["bar", "baz"],
+"obj": { "a":1, "b":2, "c":[3,4], "d":[ {"e":9}, {"f":[50,51]} ] },
+"": 0,
+"a/b": 1,
+"c%d": 2,
+"e^f": 3,
+"g|h": 4,
+"i\\j": 5,
+"k\"l": 6,
+" ": 7,
+"m~n": 8
+}`
+)
+
+var testDocumentJSON interface{}
+
+type testStructJSON struct {
+	Foo []string `json:"foo"`
+	Obj struct {
+		A int   `json:"a"`
+		B int   `json:"b"`
+		C []int `json:"c"`
+		D []struct {
+			E int   `json:"e"`
+			F []int `json:"f"`
+		} `json:"d"`
+	} `json:"obj"`
+}
+
+type aliasedMap map[string]interface{}
+
+var testStructJSONDoc testStructJSON
+var testStructJSONPtr *testStructJSON
+
+func init() {
+	json.Unmarshal([]byte(TestDocumentString), &testDocumentJSON)
+	json.Unmarshal([]byte(TestDocumentString), &testStructJSONDoc)
+	testStructJSONPtr = &testStructJSONDoc
+}
+
+func TestEscaping(t *testing.T) {
+
+	ins := []string{`/`, `/`, `/a~1b`, `/a~1b`, `/c%d`, `/e^f`, `/g|h`, `/i\j`, `/k"l`, `/ `, `/m~0n`}
+	outs := []float64{0, 0, 1, 1, 2, 3, 4, 5, 6, 7, 8}
+
+	for i := range ins {
+		p, err := New(ins[i])
+		if assert.NoError(t, err, "input: %v", ins[i]) {
+			result, _, err := p.Get(testDocumentJSON)
+			if assert.NoError(t, err, "input: %v", ins[i]) {
+				assert.Equal(t, outs[i], result, "input: %v", ins[i])
+			}
+		}
+	}
+
+}
+
+func TestFullDocument(t *testing.T) {
+
+	in := ``
+
+	p, err := New(in)
+	if err != nil {
+		t.Errorf("New(%v) error %v", in, err.Error())
+	}
+
+	result, _, err := p.Get(testDocumentJSON)
+	if err != nil {
+		t.Errorf("Get(%v) error %v", in, err.Error())
+	}
+
+	if len(result.(map[string]interface{})) != TestDocumentNBItems {
+		t.Errorf("Get(%v) = %v, expect full document", in, result)
+	}
+
+	result, _, err = p.get(testDocumentJSON, nil)
+	if err != nil {
+		t.Errorf("Get(%v) error %v", in, err.Error())
+	}
+
+	if len(result.(map[string]interface{})) != TestDocumentNBItems {
+		t.Errorf("Get(%v) = %v, expect full document", in, result)
+	}
+}
+
+func TestDecodedTokens(t *testing.T) {
+	p, err := New("/obj/a~1b")
+	assert.NoError(t, err)
+	assert.Equal(t, []string{"obj", "a/b"}, p.DecodedTokens())
+}
+
+func TestIsEmpty(t *testing.T) {
+	p, err := New("")
+	assert.NoError(t, err)
+	assert.True(t, p.IsEmpty())
+	p, err = New("/obj")
+	assert.NoError(t, err)
+	assert.False(t, p.IsEmpty())
+}
+
+func TestGetSingle(t *testing.T) {
+	in := `/obj`
+
+	_, err := New(in)
+	assert.NoError(t, err)
+	result, _, err := GetForToken(testDocumentJSON, "obj")
+	assert.NoError(t, err)
+	assert.Len(t, result, TestNodeObjNBItems)
+
+	result, _, err = GetForToken(testStructJSONDoc, "Obj")
+	assert.Error(t, err)
+	assert.Nil(t, result)
+
+	result, _, err = GetForToken(testStructJSONDoc, "Obj2")
+	assert.Error(t, err)
+	assert.Nil(t, result)
+}
+
+type pointableImpl struct {
+	a string
+}
+
+func (p pointableImpl) JSONLookup(token string) (interface{}, error) {
+	if token == "some" {
+		return p.a, nil
+	}
+	return nil, fmt.Errorf("object has no field %q", token)
+}
+
+func TestPointableInterface(t *testing.T) {
+	p := &pointableImpl{"hello"}
+
+	result, _, err := GetForToken(p, "some")
+	assert.NoError(t, err)
+	assert.Equal(t, p.a, result)
+
+	result, _, err = GetForToken(p, "something")
+	assert.Error(t, err)
+	assert.Nil(t, result)
+}
+
+func TestGetNode(t *testing.T) {
+
+	in := `/obj`
+
+	p, err := New(in)
+	assert.NoError(t, err)
+	result, _, err := p.Get(testDocumentJSON)
+	assert.NoError(t, err)
+	assert.Len(t, result, TestNodeObjNBItems)
+
+	result, _, err = p.Get(aliasedMap(testDocumentJSON.(map[string]interface{})))
+	assert.NoError(t, err)
+	assert.Len(t, result, TestNodeObjNBItems)
+
+	result, _, err = p.Get(testStructJSONDoc)
+	assert.NoError(t, err)
+	assert.Equal(t, testStructJSONDoc.Obj, result)
+
+	result, _, err = p.Get(testStructJSONPtr)
+	assert.NoError(t, err)
+	assert.Equal(t, testStructJSONDoc.Obj, result)
+}
+
+func TestArray(t *testing.T) {
+
+	ins := []string{`/foo/0`, `/foo/0`, `/foo/1`}
+	outs := []string{"bar", "bar", "baz"}
+
+	for i := range ins {
+		p, err := New(ins[i])
+		assert.NoError(t, err)
+
+		result, _, err := p.Get(testStructJSONDoc)
+		assert.NoError(t, err)
+		assert.Equal(t, outs[i], result)
+
+		result, _, err = p.Get(testStructJSONPtr)
+		assert.NoError(t, err)
+		assert.Equal(t, outs[i], result)
+
+		result, _, err = p.Get(testDocumentJSON)
+		assert.NoError(t, err)
+		assert.Equal(t, outs[i], result)
+	}
+}
+
+func TestOtherThings(t *testing.T) {
+	_, err := New("abc")
+	assert.Error(t, err)
+
+	p, err := New("")
+	assert.NoError(t, err)
+	assert.Equal(t, "", p.String())
+
+	p, err = New("/obj/a")
+	assert.Equal(t, "/obj/a", p.String())
+
+	s := Escape("m~n")
+	assert.Equal(t, "m~0n", s)
+	s = Escape("m/n")
+	assert.Equal(t, "m~1n", s)
+
+	p, err = New("/foo/3")
+	assert.NoError(t, err)
+	_, _, err = p.Get(testDocumentJSON)
+	assert.Error(t, err)
+
+	p, err = New("/foo/a")
+	assert.NoError(t, err)
+	_, _, err = p.Get(testDocumentJSON)
+	assert.Error(t, err)
+
+	p, err = New("/notthere")
+	assert.NoError(t, err)
+	_, _, err = p.Get(testDocumentJSON)
+	assert.Error(t, err)
+
+	p, err = New("/invalid")
+	assert.NoError(t, err)
+	_, _, err = p.Get(1234)
+	assert.Error(t, err)
+
+	p, err = New("/foo/1")
+	assert.NoError(t, err)
+	expected := "hello"
+	bbb := testDocumentJSON.(map[string]interface{})["foo"]
+	bbb.([]interface{})[1] = "hello"
+
+	v, _, err := p.Get(testDocumentJSON)
+	assert.NoError(t, err)
+	assert.Equal(t, expected, v)
+
+	esc := Escape("a/")
+	assert.Equal(t, "a~1", esc)
+	unesc := Unescape(esc)
+	assert.Equal(t, "a/", unesc)
+
+	unesc = Unescape("~01")
+	assert.Equal(t, "~1", unesc)
+	assert.Equal(t, "~0~1", Escape("~/"))
+	assert.Equal(t, "~/", Unescape("~0~1"))
+}
+
+func TestObject(t *testing.T) {
+
+	ins := []string{`/obj/a`, `/obj/b`, `/obj/c/0`, `/obj/c/1`, `/obj/c/1`, `/obj/d/1/f/0`}
+	outs := []float64{1, 2, 3, 4, 4, 50}
+
+	for i := range ins {
+
+		p, err := New(ins[i])
+		assert.NoError(t, err)
+
+		result, _, err := p.Get(testDocumentJSON)
+		assert.NoError(t, err)
+		assert.Equal(t, outs[i], result)
+
+		result, _, err = p.Get(testStructJSONDoc)
+		assert.NoError(t, err)
+		assert.EqualValues(t, outs[i], result)
+
+		result, _, err = p.Get(testStructJSONPtr)
+		assert.NoError(t, err)
+		assert.EqualValues(t, outs[i], result)
+	}
+}
+
+type setJsonDocEle struct {
+	B int `json:"b"`
+	C int `json:"c"`
+}
+type setJsonDoc struct {
+	A []struct {
+		B int `json:"b"`
+		C int `json:"c"`
+	} `json:"a"`
+	D int `json:"d"`
+}
+
+type settableDoc struct {
+	Coll settableColl
+	Int  settableInt
+}
+
+func (s settableDoc) MarshalJSON() ([]byte, error) {
+	var res struct {
+		A settableColl `json:"a"`
+		D settableInt  `json:"d"`
+	}
+	res.A = s.Coll
+	res.D = s.Int
+	return json.Marshal(res)
+}
+func (s *settableDoc) UnmarshalJSON(data []byte) error {
+	var res struct {
+		A settableColl `json:"a"`
+		D settableInt  `json:"d"`
+	}
+
+	if err := json.Unmarshal(data, &res); err != nil {
+		return err
+	}
+	s.Coll = res.A
+	s.Int = res.D
+	return nil
+}
+
+// JSONLookup implements an interface to customize json pointer lookup
+func (s settableDoc) JSONLookup(token string) (interface{}, error) {
+	switch token {
+	case "a":
+		return &s.Coll, nil
+	case "d":
+		return &s.Int, nil
+	default:
+		return nil, fmt.Errorf("%s is not a known field", token)
+	}
+}
+
+// JSONLookup implements an interface to customize json pointer lookup
+func (s *settableDoc) JSONSet(token string, data interface{}) error {
+	switch token {
+	case "a":
+		switch dt := data.(type) {
+		case settableColl:
+			s.Coll = dt
+			return nil
+		case *settableColl:
+			if dt != nil {
+				s.Coll = *dt
+			} else {
+				s.Coll = settableColl{}
+			}
+			return nil
+		case []settableCollItem:
+			s.Coll.Items = dt
+			return nil
+		}
+	case "d":
+		switch dt := data.(type) {
+		case settableInt:
+			s.Int = dt
+			return nil
+		case int:
+			s.Int.Value = dt
+			return nil
+		case int8:
+			s.Int.Value = int(dt)
+			return nil
+		case int16:
+			s.Int.Value = int(dt)
+			return nil
+		case int32:
+			s.Int.Value = int(dt)
+			return nil
+		case int64:
+			s.Int.Value = int(dt)
+			return nil
+		default:
+			return fmt.Errorf("invalid type %T for %s", data, token)
+		}
+	}
+	return fmt.Errorf("%s is not a known field", token)
+}
+
+type settableColl struct {
+	Items []settableCollItem
+}
+
+func (s settableColl) MarshalJSON() ([]byte, error) {
+	return json.Marshal(s.Items)
+}
+func (s *settableColl) UnmarshalJSON(data []byte) error {
+	return json.Unmarshal(data, &s.Items)
+}
+
+// JSONLookup implements an interface to customize json pointer lookup
+func (s settableColl) JSONLookup(token string) (interface{}, error) {
+	if tok, err := strconv.Atoi(token); err == nil {
+		return &s.Items[tok], nil
+	}
+	return nil, fmt.Errorf("%s is not a valid index", token)
+}
+
+// JSONLookup implements an interface to customize json pointer lookup
+func (s *settableColl) JSONSet(token string, data interface{}) error {
+	if _, err := strconv.Atoi(token); err == nil {
+		_, err := SetForToken(s.Items, token, data)
+		return err
+	}
+	return fmt.Errorf("%s is not a valid index", token)
+}
+
+type settableCollItem struct {
+	B int `json:"b"`
+	C int `json:"c"`
+}
+
+type settableInt struct {
+	Value int
+}
+
+func (s settableInt) MarshalJSON() ([]byte, error) {
+	return json.Marshal(s.Value)
+}
+func (s *settableInt) UnmarshalJSON(data []byte) error {
+	return json.Unmarshal(data, &s.Value)
+}
+
+func TestSetNode(t *testing.T) {
+
+	jsonText := `{"a":[{"b": 1, "c": 2}], "d": 3}`
+
+	var jsonDocument interface{}
+	if assert.NoError(t, json.Unmarshal([]byte(jsonText), &jsonDocument)) {
+		in := "/a/0/c"
+		p, err := New(in)
+		if assert.NoError(t, err) {
+
+			_, err = p.Set(jsonDocument, 999)
+			assert.NoError(t, err)
+
+			firstNode := jsonDocument.(map[string]interface{})
+			assert.Len(t, firstNode, 2)
+
+			sliceNode := firstNode["a"].([]interface{})
+			assert.Len(t, sliceNode, 1)
+
+			changedNode := sliceNode[0].(map[string]interface{})
+			chNodeVI := changedNode["c"]
+			if assert.IsType(t, 0, chNodeVI) {
+				changedNodeValue := chNodeVI.(int)
+				if assert.Equal(t, 999, changedNodeValue) {
+					assert.Len(t, sliceNode, 1)
+				}
+			}
+		}
+
+		v, err := New("/a/0")
+		if assert.NoError(t, err) {
+			_, err = v.Set(jsonDocument, map[string]interface{}{"b": 3, "c": 8})
+			if assert.NoError(t, err) {
+				firstNode := jsonDocument.(map[string]interface{})
+				assert.Len(t, firstNode, 2)
+
+				sliceNode := firstNode["a"].([]interface{})
+				assert.Len(t, sliceNode, 1)
+				changedNode := sliceNode[0].(map[string]interface{})
+				assert.Equal(t, 3, changedNode["b"])
+				assert.Equal(t, 8, changedNode["c"])
+			}
+		}
+	}
+
+	var structDoc setJsonDoc
+	if assert.NoError(t, json.Unmarshal([]byte(jsonText), &structDoc)) {
+		g, err := New("/a")
+		if assert.NoError(t, err) {
+			_, err = g.Set(&structDoc, []struct {
+				B int `json:"b"`
+				C int `json:"c"`
+			}{{B: 4, C: 7}})
+
+			if assert.NoError(t, err) {
+				assert.Len(t, structDoc.A, 1)
+				changedNode := structDoc.A[0]
+				assert.Equal(t, 4, changedNode.B)
+				assert.Equal(t, 7, changedNode.C)
+			}
+		}
+
+		v, err := New("/a/0")
+		if assert.NoError(t, err) {
+			_, err = v.Set(structDoc, struct {
+				B int `json:"b"`
+				C int `json:"c"`
+			}{B: 3, C: 8})
+
+			if assert.NoError(t, err) {
+				assert.Len(t, structDoc.A, 1)
+				changedNode := structDoc.A[0]
+				assert.Equal(t, 3, changedNode.B)
+				assert.Equal(t, 8, changedNode.C)
+			}
+		}
+
+		p, err := New("/a/0/c")
+		if assert.NoError(t, err) {
+			_, err = p.Set(&structDoc, 999)
+			assert.NoError(t, err)
+			if assert.Len(t, structDoc.A, 1) {
+				assert.Equal(t, 999, structDoc.A[0].C)
+			}
+		}
+	}
+
+	var setDoc settableDoc
+	if assert.NoError(t, json.Unmarshal([]byte(jsonText), &setDoc)) {
+		g, err := New("/a")
+		if assert.NoError(t, err) {
+			_, err = g.Set(&setDoc, []settableCollItem{{B: 4, C: 7}})
+
+			if assert.NoError(t, err) {
+				assert.Len(t, setDoc.Coll.Items, 1)
+				changedNode := setDoc.Coll.Items[0]
+				assert.Equal(t, 4, changedNode.B)
+				assert.Equal(t, 7, changedNode.C)
+			}
+		}
+
+		v, err := New("/a/0")
+		if assert.NoError(t, err) {
+			_, err = v.Set(setDoc, settableCollItem{B: 3, C: 8})
+
+			if assert.NoError(t, err) {
+				assert.Len(t, setDoc.Coll.Items, 1)
+				changedNode := setDoc.Coll.Items[0]
+				assert.Equal(t, 3, changedNode.B)
+				assert.Equal(t, 8, changedNode.C)
+			}
+		}
+
+		p, err := New("/a/0/c")
+		if assert.NoError(t, err) {
+			_, err = p.Set(setDoc, 999)
+			assert.NoError(t, err)
+			if assert.Len(t, setDoc.Coll.Items, 1) {
+				assert.Equal(t, 999, setDoc.Coll.Items[0].C)
+			}
+		}
+	}
+}