Add go-openapi dependencies and update Godeps

vendor/github.com/go-openapi/loads/spec.go

@@ -0,0 +1,203 @@
+// Copyright 2015 go-swagger maintainers
+//
+// 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.
+
+package loads
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+
+	"github.com/go-openapi/analysis"
+	"github.com/go-openapi/spec"
+	"github.com/go-openapi/swag"
+)
+
+// JSONDoc loads a json document from either a file or a remote url
+func JSONDoc(path string) (json.RawMessage, error) {
+	data, err := swag.LoadFromFileOrHTTP(path)
+	if err != nil {
+		return nil, err
+	}
+	return json.RawMessage(data), nil
+}
+
+// DocLoader represents a doc loader type
+type DocLoader func(string) (json.RawMessage, error)
+
+// DocMatcher represents a predicate to check if a loader matches
+type DocMatcher func(string) bool
+
+var loaders = &loader{Match: func(_ string) bool { return true }, Fn: JSONDoc}
+
+// AddLoader for a document
+func AddLoader(predicate DocMatcher, load DocLoader) {
+	prev := loaders
+	loaders = &loader{
+		Match: predicate,
+		Fn:    load,
+		Next:  prev,
+	}
+
+}
+
+type loader struct {
+	Fn    DocLoader
+	Match DocMatcher
+	Next  *loader
+}
+
+// JSONSpec loads a spec from a json document
+func JSONSpec(path string) (*Document, error) {
+	data, err := JSONDoc(path)
+	if err != nil {
+		return nil, err
+	}
+	// convert to json
+	return Analyzed(json.RawMessage(data), "")
+}
+
+// Document represents a swagger spec document
+type Document struct {
+	// specAnalyzer
+	Analyzer *analysis.Spec
+	spec     *spec.Swagger
+	origSpec *spec.Swagger
+	schema   *spec.Schema
+	raw      json.RawMessage
+}
+
+// Spec loads a new spec document
+func Spec(path string) (*Document, error) {
+	specURL, err := url.Parse(path)
+	if err != nil {
+		return nil, err
+	}
+	for l := loaders.Next; l != nil; l = l.Next {
+		if loaders.Match(specURL.Path) {
+			b, err2 := loaders.Fn(path)
+			if err2 != nil {
+				return nil, err2
+			}
+			return Analyzed(b, "")
+		}
+	}
+	b, err := loaders.Fn(path)
+	if err != nil {
+		return nil, err
+	}
+	return Analyzed(b, "")
+}
+
+var swag20Schema = spec.MustLoadSwagger20Schema()
+
+// Analyzed creates a new analyzed spec document
+func Analyzed(data json.RawMessage, version string) (*Document, error) {
+	if version == "" {
+		version = "2.0"
+	}
+	if version != "2.0" {
+		return nil, fmt.Errorf("spec version %q is not supported", version)
+	}
+
+	swspec := new(spec.Swagger)
+	if err := json.Unmarshal(data, swspec); err != nil {
+		return nil, err
+	}
+
+	origsqspec := new(spec.Swagger)
+	if err := json.Unmarshal(data, origsqspec); err != nil {
+		return nil, err
+	}
+
+	d := &Document{
+		Analyzer: analysis.New(swspec),
+		schema:   swag20Schema,
+		spec:     swspec,
+		raw:      data,
+		origSpec: origsqspec,
+	}
+	return d, nil
+}
+
+// Expanded expands the ref fields in the spec document and returns a new spec document
+func (d *Document) Expanded() (*Document, error) {
+	swspec := new(spec.Swagger)
+	if err := json.Unmarshal(d.raw, swspec); err != nil {
+		return nil, err
+	}
+	if err := spec.ExpandSpec(swspec); err != nil {
+		return nil, err
+	}
+
+	dd := &Document{
+		Analyzer: analysis.New(swspec),
+		spec:     swspec,
+		schema:   swag20Schema,
+		raw:      d.raw,
+		origSpec: d.origSpec,
+	}
+	return dd, nil
+}
+
+// BasePath the base path for this spec
+func (d *Document) BasePath() string {
+	return d.spec.BasePath
+}
+
+// Version returns the version of this spec
+func (d *Document) Version() string {
+	return d.spec.Swagger
+}
+
+// Schema returns the swagger 2.0 schema
+func (d *Document) Schema() *spec.Schema {
+	return d.schema
+}
+
+// Spec returns the swagger spec object model
+func (d *Document) Spec() *spec.Swagger {
+	return d.spec
+}
+
+// Host returns the host for the API
+func (d *Document) Host() string {
+	return d.spec.Host
+}
+
+// Raw returns the raw swagger spec as json bytes
+func (d *Document) Raw() json.RawMessage {
+	return d.raw
+}
+
+func (d *Document) OrigSpec() *spec.Swagger {
+	return d.origSpec
+}
+
+// ResetDefinitions gives a shallow copy with the models reset
+func (d *Document) ResetDefinitions() *Document {
+	defs := make(map[string]spec.Schema, len(d.origSpec.Definitions))
+	for k, v := range d.origSpec.Definitions {
+		defs[k] = v
+	}
+
+	d.spec.Definitions = defs
+	return d
+}
+
+// Pristine creates a new pristine document instance based on the input data
+func (d *Document) Pristine() *Document {
+	dd, _ := Analyzed(d.Raw(), d.Version())
+	return dd
+}