mirror of
https://github.com/go-gitea/gitea.git
synced 2024-08-23 04:40:50 +02:00
267 lines
6.2 KiB
Go
Vendored
267 lines
6.2 KiB
Go
Vendored
// Copyright 2015 go-swagger maintainers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package loads
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import (
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"bytes"
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"encoding/gob"
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"encoding/json"
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"fmt"
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"github.com/go-openapi/analysis"
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"github.com/go-openapi/spec"
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"github.com/go-openapi/swag"
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)
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func init() {
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gob.Register(map[string]interface{}{})
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gob.Register([]interface{}{})
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}
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// Document represents a swagger spec document
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type Document struct {
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// specAnalyzer
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Analyzer *analysis.Spec
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spec *spec.Swagger
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specFilePath string
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origSpec *spec.Swagger
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schema *spec.Schema
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raw json.RawMessage
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pathLoader *loader
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}
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// JSONSpec loads a spec from a json document
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func JSONSpec(path string, options ...LoaderOption) (*Document, error) {
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data, err := JSONDoc(path)
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if err != nil {
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return nil, err
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}
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// convert to json
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return Analyzed(data, "", options...)
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}
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// Embedded returns a Document based on embedded specs. No analysis is required
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func Embedded(orig, flat json.RawMessage, options ...LoaderOption) (*Document, error) {
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var origSpec, flatSpec spec.Swagger
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if err := json.Unmarshal(orig, &origSpec); err != nil {
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return nil, err
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}
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if err := json.Unmarshal(flat, &flatSpec); err != nil {
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return nil, err
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}
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return &Document{
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raw: orig,
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origSpec: &origSpec,
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spec: &flatSpec,
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pathLoader: loaderFromOptions(options),
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}, nil
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}
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// Spec loads a new spec document from a local or remote path
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func Spec(path string, options ...LoaderOption) (*Document, error) {
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ldr := loaderFromOptions(options)
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b, err := ldr.Load(path)
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if err != nil {
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return nil, err
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}
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document, err := Analyzed(b, "", options...)
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if err != nil {
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return nil, err
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}
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if document != nil {
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document.specFilePath = path
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document.pathLoader = ldr
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}
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return document, err
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}
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// Analyzed creates a new analyzed spec document for a root json.RawMessage.
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func Analyzed(data json.RawMessage, version string, options ...LoaderOption) (*Document, error) {
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if version == "" {
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version = "2.0"
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}
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if version != "2.0" {
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return nil, fmt.Errorf("spec version %q is not supported", version)
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}
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raw, err := trimData(data) // trim blanks, then convert yaml docs into json
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if err != nil {
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return nil, err
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}
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swspec := new(spec.Swagger)
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if err = json.Unmarshal(raw, swspec); err != nil {
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return nil, err
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}
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origsqspec, err := cloneSpec(swspec)
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if err != nil {
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return nil, err
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}
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d := &Document{
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Analyzer: analysis.New(swspec),
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schema: spec.MustLoadSwagger20Schema(),
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spec: swspec,
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raw: raw,
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origSpec: origsqspec,
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pathLoader: loaderFromOptions(options),
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}
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return d, nil
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}
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func trimData(in json.RawMessage) (json.RawMessage, error) {
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trimmed := bytes.TrimSpace(in)
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if len(trimmed) == 0 {
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return in, nil
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}
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if trimmed[0] == '{' || trimmed[0] == '[' {
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return trimmed, nil
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}
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// assume yaml doc: convert it to json
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yml, err := swag.BytesToYAMLDoc(trimmed)
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if err != nil {
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return nil, fmt.Errorf("analyzed: %v", err)
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}
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d, err := swag.YAMLToJSON(yml)
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if err != nil {
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return nil, fmt.Errorf("analyzed: %v", err)
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}
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return d, nil
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}
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// Expanded expands the ref fields in the spec document and returns a new spec document
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func (d *Document) Expanded(options ...*spec.ExpandOptions) (*Document, error) {
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swspec := new(spec.Swagger)
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if err := json.Unmarshal(d.raw, swspec); err != nil {
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return nil, err
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}
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var expandOptions *spec.ExpandOptions
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if len(options) > 0 {
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expandOptions = options[0]
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} else {
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expandOptions = &spec.ExpandOptions{
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RelativeBase: d.specFilePath,
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}
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}
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if expandOptions.PathLoader == nil {
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if d.pathLoader != nil {
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// use loader from Document options
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expandOptions.PathLoader = d.pathLoader.Load
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} else {
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// use package level loader
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expandOptions.PathLoader = loaders.Load
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}
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}
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if err := spec.ExpandSpec(swspec, expandOptions); err != nil {
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return nil, err
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}
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dd := &Document{
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Analyzer: analysis.New(swspec),
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spec: swspec,
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specFilePath: d.specFilePath,
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schema: spec.MustLoadSwagger20Schema(),
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raw: d.raw,
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origSpec: d.origSpec,
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}
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return dd, nil
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}
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// BasePath the base path for this spec
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func (d *Document) BasePath() string {
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return d.spec.BasePath
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}
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// Version returns the version of this spec
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func (d *Document) Version() string {
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return d.spec.Swagger
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}
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// Schema returns the swagger 2.0 schema
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func (d *Document) Schema() *spec.Schema {
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return d.schema
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}
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// Spec returns the swagger spec object model
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func (d *Document) Spec() *spec.Swagger {
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return d.spec
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}
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// Host returns the host for the API
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func (d *Document) Host() string {
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return d.spec.Host
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}
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// Raw returns the raw swagger spec as json bytes
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func (d *Document) Raw() json.RawMessage {
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return d.raw
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}
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// OrigSpec yields the original spec
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func (d *Document) OrigSpec() *spec.Swagger {
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return d.origSpec
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}
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// ResetDefinitions gives a shallow copy with the models reset to the original spec
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func (d *Document) ResetDefinitions() *Document {
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defs := make(map[string]spec.Schema, len(d.origSpec.Definitions))
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for k, v := range d.origSpec.Definitions {
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defs[k] = v
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}
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d.spec.Definitions = defs
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return d
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}
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// Pristine creates a new pristine document instance based on the input data
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func (d *Document) Pristine() *Document {
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dd, _ := Analyzed(d.Raw(), d.Version())
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dd.pathLoader = d.pathLoader
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return dd
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}
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// SpecFilePath returns the file path of the spec if one is defined
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func (d *Document) SpecFilePath() string {
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return d.specFilePath
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}
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func cloneSpec(src *spec.Swagger) (*spec.Swagger, error) {
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var b bytes.Buffer
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if err := gob.NewEncoder(&b).Encode(src); err != nil {
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return nil, err
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}
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var dst spec.Swagger
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if err := gob.NewDecoder(&b).Decode(&dst); err != nil {
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return nil, err
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}
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return &dst, nil
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}
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