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Ria Bhatia
2017-12-04 13:32:57 -06:00
committed by Erik St. Martin
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vendor/github.com/xeipuuv/gojsonpointer/LICENSE-APACHE-2.0.txt generated vendored Normal file
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Apache License
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6. Trademarks. This License does not grant permission to use the trade
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Copyright 2015 xeipuuv
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
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
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vendor/github.com/xeipuuv/gojsonpointer/README.md generated vendored Normal file
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# gojsonpointer
An implementation of JSON Pointer - Go language
## 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.

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vendor/github.com/xeipuuv/gojsonpointer/pointer.go generated vendored Normal file
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// Copyright 2015 xeipuuv ( https://github.com/xeipuuv )
//
// 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 xeipuuv
// author-github https://github.com/xeipuuv
// author-mail xeipuuv@gmail.com
//
// repository-name gojsonpointer
// repository-desc An implementation of JSON Pointer - Go language
//
// description Main and unique file.
//
// created 25-02-2013
package gojsonpointer
import (
"errors"
"fmt"
"reflect"
"strconv"
"strings"
)
const (
const_empty_pointer = ``
const_pointer_separator = `/`
const_invalid_start = `JSON pointer must be empty or start with a "` + const_pointer_separator + `"`
)
type implStruct struct {
mode string // "SET" or "GET"
inDocument interface{}
setInValue interface{}
getOutNode interface{}
getOutKind reflect.Kind
outError error
}
type JsonPointer struct {
referenceTokens []string
}
// NewJsonPointer parses the given string JSON pointer and returns an object
func NewJsonPointer(jsonPointerString string) (p JsonPointer, err error) {
// Pointer to the root of the document
if len(jsonPointerString) == 0 {
// Keep referenceTokens nil
return
}
if jsonPointerString[0] != '/' {
return p, errors.New(const_invalid_start)
}
p.referenceTokens = strings.Split(jsonPointerString[1:], const_pointer_separator)
return
}
// Uses the pointer to retrieve a value from a JSON document
func (p *JsonPointer) Get(document interface{}) (interface{}, reflect.Kind, error) {
is := &implStruct{mode: "GET", inDocument: document}
p.implementation(is)
return is.getOutNode, is.getOutKind, is.outError
}
// Uses the pointer to update a value from a JSON document
func (p *JsonPointer) Set(document interface{}, value interface{}) (interface{}, error) {
is := &implStruct{mode: "SET", inDocument: document, setInValue: value}
p.implementation(is)
return document, is.outError
}
// Both Get and Set functions use the same implementation to avoid code duplication
func (p *JsonPointer) implementation(i *implStruct) {
kind := reflect.Invalid
// Full document when empty
if len(p.referenceTokens) == 0 {
i.getOutNode = i.inDocument
i.outError = nil
i.getOutKind = kind
i.outError = nil
return
}
node := i.inDocument
for ti, token := range p.referenceTokens {
isLastToken := ti == len(p.referenceTokens)-1
switch v := node.(type) {
case map[string]interface{}:
decodedToken := decodeReferenceToken(token)
if _, ok := v[decodedToken]; ok {
node = v[decodedToken]
if isLastToken && i.mode == "SET" {
v[decodedToken] = i.setInValue
}
} else {
i.outError = fmt.Errorf("Object has no key '%s'", decodedToken)
i.getOutKind = reflect.Map
i.getOutNode = nil
return
}
case []interface{}:
tokenIndex, err := strconv.Atoi(token)
if err != nil {
i.outError = fmt.Errorf("Invalid array index '%s'", token)
i.getOutKind = reflect.Slice
i.getOutNode = nil
return
}
if tokenIndex < 0 || tokenIndex >= len(v) {
i.outError = fmt.Errorf("Out of bound array[0,%d] index '%d'", len(v), tokenIndex)
i.getOutKind = reflect.Slice
i.getOutNode = nil
return
}
node = v[tokenIndex]
if isLastToken && i.mode == "SET" {
v[tokenIndex] = i.setInValue
}
default:
i.outError = fmt.Errorf("Invalid token reference '%s'", token)
i.getOutKind = reflect.ValueOf(node).Kind()
i.getOutNode = nil
return
}
}
i.getOutNode = node
i.getOutKind = reflect.ValueOf(node).Kind()
i.outError = nil
}
// Pointer to string representation function
func (p *JsonPointer) String() string {
if len(p.referenceTokens) == 0 {
return const_empty_pointer
}
pointerString := const_pointer_separator + strings.Join(p.referenceTokens, const_pointer_separator)
return pointerString
}
// Specific JSON pointer encoding here
// ~0 => ~
// ~1 => /
// ... and vice versa
func decodeReferenceToken(token string) string {
step1 := strings.Replace(token, `~1`, `/`, -1)
step2 := strings.Replace(step1, `~0`, `~`, -1)
return step2
}
func encodeReferenceToken(token string) string {
step1 := strings.Replace(token, `~`, `~0`, -1)
step2 := strings.Replace(step1, `/`, `~1`, -1)
return step2
}

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vendor/github.com/xeipuuv/gojsonpointer/pointer_test.go generated vendored Normal file
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// Copyright 2015 xeipuuv ( https://github.com/xeipuuv )
//
// 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 xeipuuv
// author-github https://github.com/xeipuuv
// author-mail xeipuuv@gmail.com
//
// repository-name gojsonpointer
// repository-desc An implementation of JSON Pointer - Go language
//
// description Automated tests on package.
//
// created 03-03-2013
package gojsonpointer
import (
"encoding/json"
"testing"
)
const (
TEST_DOCUMENT_NB_ELEMENTS = 13
TEST_NODE_OBJ_NB_ELEMENTS = 4
TEST_DOCUMENT_STRING = `{
"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,
"o~/p": 9,
"q/~r": 10
}`
)
var testDocumentJson interface{}
func init() {
json.Unmarshal([]byte(TEST_DOCUMENT_STRING), &testDocumentJson)
}
func TestEscaping(t *testing.T) {
ins := []string{`/`, `/`, `/a~1b`, `/a~1b`, `/c%d`, `/e^f`, `/g|h`, `/i\j`, `/k"l`, `/ `, `/m~0n`, `/o~0~1p`, `/q~1~0r`}
outs := []float64{0, 0, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
for i := range ins {
p, err := NewJsonPointer(ins[i])
if err != nil {
t.Errorf("NewJsonPointer(%v) error %v", ins[i], err.Error())
}
s := p.String()
if s != ins[i] {
t.Errorf("\"%v\" -> \"%v\"", ins[i], s)
}
result, _, err := p.Get(testDocumentJson)
if err != nil {
t.Errorf("Get(%v) error %v", ins[i], err.Error())
}
if result != outs[i] {
t.Errorf("Get(%v) = %v, expect %v", ins[i], result, outs[i])
}
}
}
func BenchmarkParse(b *testing.B) {
for i := 0; i < b.N; i++ {
NewJsonPointer(`/definitions/simple/0/next`)
}
}
func BenchmarkParseWithEscape(b *testing.B) {
for i := 0; i < b.N; i++ {
NewJsonPointer(`/definiti~0ons/simple/0/next`)
}
}
func BenchmarkString(b *testing.B) {
p, _ := NewJsonPointer(`/definitions/simple/0/next`)
b.ResetTimer()
for i := 0; i < b.N; i++ {
p.String()
}
}
func BenchmarkStringWithEscape(b *testing.B) {
p, _ := NewJsonPointer(`/definiti~0ons/simple/0/next`)
b.ResetTimer()
for i := 0; i < b.N; i++ {
p.String()
}
}
func TestFullDocument(t *testing.T) {
in := ``
p, err := NewJsonPointer(in)
if err != nil {
t.Errorf("NewJsonPointer(%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{})) != TEST_DOCUMENT_NB_ELEMENTS {
t.Errorf("Get(%v) = %v, expect full document", in, result)
}
}
func TestGetNode(t *testing.T) {
in := `/obj`
p, err := NewJsonPointer(in)
if err != nil {
t.Errorf("NewJsonPointer(%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{})) != TEST_NODE_OBJ_NB_ELEMENTS {
t.Errorf("Get(%v) = %v, expect full document", in, result)
}
}
func BenchmarkGet(b *testing.B) {
p, _ := NewJsonPointer(`/obj/d/1/f`)
b.ResetTimer()
for i := 0; i < b.N; i++ {
p.Get(testDocumentJson)
}
}
func TestArray(t *testing.T) {
ins := []string{`/foo/0`, `/foo/0`, `/foo/1`}
outs := []string{"bar", "bar", "baz"}
for i := range ins {
p, err := NewJsonPointer(ins[i])
if err != nil {
t.Errorf("NewJsonPointer(%v) error %v", ins[i], err.Error())
}
result, _, err := p.Get(testDocumentJson)
if err != nil {
t.Errorf("Get(%v) error %v", ins[i], err.Error())
}
if result != outs[i] {
t.Errorf("Get(%v) = %v, expect %v", ins[i], result, outs[i])
}
}
}
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 := NewJsonPointer(ins[i])
if err != nil {
t.Errorf("NewJsonPointer(%v) error %v", ins[i], err.Error())
}
result, _, err := p.Get(testDocumentJson)
if err != nil {
t.Errorf("Get(%v) error %v", ins[i], err.Error())
}
if result != outs[i] {
t.Errorf("Get(%v) = %v, expect %v", ins[i], result, outs[i])
}
}
}
func TestSetNode(t *testing.T) {
jsonText := `{"a":[{"b": 1, "c": 2}], "d": 3}`
var jsonDocument interface{}
json.Unmarshal([]byte(jsonText), &jsonDocument)
in := "/a/0/c"
p, err := NewJsonPointer(in)
if err != nil {
t.Errorf("NewJsonPointer(%v) error %v", in, err.Error())
}
_, err = p.Set(jsonDocument, 999)
if err != nil {
t.Errorf("Set(%v) error %v", in, err.Error())
}
firstNode := jsonDocument.(map[string]interface{})
if len(firstNode) != 2 {
t.Errorf("Set(%s) failed", in)
}
sliceNode := firstNode["a"].([]interface{})
if len(sliceNode) != 1 {
t.Errorf("Set(%s) failed", in)
}
changedNode := sliceNode[0].(map[string]interface{})
changedNodeValue := changedNode["c"].(int)
if changedNodeValue != 999 {
if len(sliceNode) != 1 {
t.Errorf("Set(%s) failed", in)
}
}
}