vendorify
diff --git a/go/vendor/github.com/go-openapi/analysis/analyzer.go b/go/vendor/github.com/go-openapi/analysis/analyzer.go
new file mode 100644
index 0000000..81dc18f
--- /dev/null
+++ b/go/vendor/github.com/go-openapi/analysis/analyzer.go
@@ -0,0 +1,892 @@
+// 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 analysis
+
+import (
+	"fmt"
+	slashpath "path"
+	"strconv"
+	"strings"
+
+	"github.com/go-openapi/jsonpointer"
+	"github.com/go-openapi/spec"
+	"github.com/go-openapi/swag"
+)
+
+type referenceAnalysis struct {
+	schemas        map[string]spec.Ref
+	responses      map[string]spec.Ref
+	parameters     map[string]spec.Ref
+	items          map[string]spec.Ref
+	headerItems    map[string]spec.Ref
+	parameterItems map[string]spec.Ref
+	allRefs        map[string]spec.Ref
+	pathItems      map[string]spec.Ref
+}
+
+func (r *referenceAnalysis) addRef(key string, ref spec.Ref) {
+	r.allRefs["#"+key] = ref
+}
+
+func (r *referenceAnalysis) addItemsRef(key string, items *spec.Items, location string) {
+	r.items["#"+key] = items.Ref
+	r.addRef(key, items.Ref)
+	if location == "header" {
+		// NOTE: in swagger 2.0, headers and parameters (but not body param schemas) are simple schemas
+		// and $ref are not supported here. However it is possible to analyze this.
+		r.headerItems["#"+key] = items.Ref
+	} else {
+		r.parameterItems["#"+key] = items.Ref
+	}
+}
+
+func (r *referenceAnalysis) addSchemaRef(key string, ref SchemaRef) {
+	r.schemas["#"+key] = ref.Schema.Ref
+	r.addRef(key, ref.Schema.Ref)
+}
+
+func (r *referenceAnalysis) addResponseRef(key string, resp *spec.Response) {
+	r.responses["#"+key] = resp.Ref
+	r.addRef(key, resp.Ref)
+}
+
+func (r *referenceAnalysis) addParamRef(key string, param *spec.Parameter) {
+	r.parameters["#"+key] = param.Ref
+	r.addRef(key, param.Ref)
+}
+
+func (r *referenceAnalysis) addPathItemRef(key string, pathItem *spec.PathItem) {
+	r.pathItems["#"+key] = pathItem.Ref
+	r.addRef(key, pathItem.Ref)
+}
+
+type patternAnalysis struct {
+	parameters  map[string]string
+	headers     map[string]string
+	items       map[string]string
+	schemas     map[string]string
+	allPatterns map[string]string
+}
+
+func (p *patternAnalysis) addPattern(key, pattern string) {
+	p.allPatterns["#"+key] = pattern
+}
+
+func (p *patternAnalysis) addParameterPattern(key, pattern string) {
+	p.parameters["#"+key] = pattern
+	p.addPattern(key, pattern)
+}
+
+func (p *patternAnalysis) addHeaderPattern(key, pattern string) {
+	p.headers["#"+key] = pattern
+	p.addPattern(key, pattern)
+}
+
+func (p *patternAnalysis) addItemsPattern(key, pattern string) {
+	p.items["#"+key] = pattern
+	p.addPattern(key, pattern)
+}
+
+func (p *patternAnalysis) addSchemaPattern(key, pattern string) {
+	p.schemas["#"+key] = pattern
+	p.addPattern(key, pattern)
+}
+
+// New takes a swagger spec object and returns an analyzed spec document.
+// The analyzed document contains a number of indices that make it easier to
+// reason about semantics of a swagger specification for use in code generation
+// or validation etc.
+func New(doc *spec.Swagger) *Spec {
+	a := &Spec{
+		spec:        doc,
+		consumes:    make(map[string]struct{}, 150),
+		produces:    make(map[string]struct{}, 150),
+		authSchemes: make(map[string]struct{}, 150),
+		operations:  make(map[string]map[string]*spec.Operation, 150),
+		allSchemas:  make(map[string]SchemaRef, 150),
+		allOfs:      make(map[string]SchemaRef, 150),
+		references: referenceAnalysis{
+			schemas:        make(map[string]spec.Ref, 150),
+			pathItems:      make(map[string]spec.Ref, 150),
+			responses:      make(map[string]spec.Ref, 150),
+			parameters:     make(map[string]spec.Ref, 150),
+			items:          make(map[string]spec.Ref, 150),
+			headerItems:    make(map[string]spec.Ref, 150),
+			parameterItems: make(map[string]spec.Ref, 150),
+			allRefs:        make(map[string]spec.Ref, 150),
+		},
+		patterns: patternAnalysis{
+			parameters:  make(map[string]string, 150),
+			headers:     make(map[string]string, 150),
+			items:       make(map[string]string, 150),
+			schemas:     make(map[string]string, 150),
+			allPatterns: make(map[string]string, 150),
+		},
+	}
+	a.initialize()
+	return a
+}
+
+// Spec is an analyzed specification object. It takes a swagger spec object and turns it into a registry
+// with a bunch of utility methods to act on the information in the spec.
+type Spec struct {
+	spec        *spec.Swagger
+	consumes    map[string]struct{}
+	produces    map[string]struct{}
+	authSchemes map[string]struct{}
+	operations  map[string]map[string]*spec.Operation
+	references  referenceAnalysis
+	patterns    patternAnalysis
+	allSchemas  map[string]SchemaRef
+	allOfs      map[string]SchemaRef
+}
+
+func (s *Spec) reset() {
+	s.consumes = make(map[string]struct{}, 150)
+	s.produces = make(map[string]struct{}, 150)
+	s.authSchemes = make(map[string]struct{}, 150)
+	s.operations = make(map[string]map[string]*spec.Operation, 150)
+	s.allSchemas = make(map[string]SchemaRef, 150)
+	s.allOfs = make(map[string]SchemaRef, 150)
+	s.references.schemas = make(map[string]spec.Ref, 150)
+	s.references.pathItems = make(map[string]spec.Ref, 150)
+	s.references.responses = make(map[string]spec.Ref, 150)
+	s.references.parameters = make(map[string]spec.Ref, 150)
+	s.references.items = make(map[string]spec.Ref, 150)
+	s.references.headerItems = make(map[string]spec.Ref, 150)
+	s.references.parameterItems = make(map[string]spec.Ref, 150)
+	s.references.allRefs = make(map[string]spec.Ref, 150)
+	s.patterns.parameters = make(map[string]string, 150)
+	s.patterns.headers = make(map[string]string, 150)
+	s.patterns.items = make(map[string]string, 150)
+	s.patterns.schemas = make(map[string]string, 150)
+	s.patterns.allPatterns = make(map[string]string, 150)
+}
+
+func (s *Spec) reload() {
+	s.reset()
+	s.initialize()
+}
+
+func (s *Spec) initialize() {
+	for _, c := range s.spec.Consumes {
+		s.consumes[c] = struct{}{}
+	}
+	for _, c := range s.spec.Produces {
+		s.produces[c] = struct{}{}
+	}
+	for _, ss := range s.spec.Security {
+		for k := range ss {
+			s.authSchemes[k] = struct{}{}
+		}
+	}
+	for path, pathItem := range s.AllPaths() {
+		s.analyzeOperations(path, &pathItem)
+	}
+
+	for name, parameter := range s.spec.Parameters {
+		refPref := slashpath.Join("/parameters", jsonpointer.Escape(name))
+		if parameter.Items != nil {
+			s.analyzeItems("items", parameter.Items, refPref, "parameter")
+		}
+		if parameter.In == "body" && parameter.Schema != nil {
+			s.analyzeSchema("schema", *parameter.Schema, refPref)
+		}
+		if parameter.Pattern != "" {
+			s.patterns.addParameterPattern(refPref, parameter.Pattern)
+		}
+	}
+
+	for name, response := range s.spec.Responses {
+		refPref := slashpath.Join("/responses", jsonpointer.Escape(name))
+		for k, v := range response.Headers {
+			hRefPref := slashpath.Join(refPref, "headers", k)
+			if v.Items != nil {
+				s.analyzeItems("items", v.Items, hRefPref, "header")
+			}
+			if v.Pattern != "" {
+				s.patterns.addHeaderPattern(hRefPref, v.Pattern)
+			}
+		}
+		if response.Schema != nil {
+			s.analyzeSchema("schema", *response.Schema, refPref)
+		}
+	}
+
+	for name, schema := range s.spec.Definitions {
+		s.analyzeSchema(name, schema, "/definitions")
+	}
+	// TODO: after analyzing all things and flattening schemas etc
+	// resolve all the collected references to their final representations
+	// best put in a separate method because this could get expensive
+}
+
+func (s *Spec) analyzeOperations(path string, pi *spec.PathItem) {
+	// TODO: resolve refs here?
+	// Currently, operations declared via pathItem $ref are known only after expansion
+	op := pi
+	if pi.Ref.String() != "" {
+		key := slashpath.Join("/paths", jsonpointer.Escape(path))
+		s.references.addPathItemRef(key, pi)
+	}
+	s.analyzeOperation("GET", path, op.Get)
+	s.analyzeOperation("PUT", path, op.Put)
+	s.analyzeOperation("POST", path, op.Post)
+	s.analyzeOperation("PATCH", path, op.Patch)
+	s.analyzeOperation("DELETE", path, op.Delete)
+	s.analyzeOperation("HEAD", path, op.Head)
+	s.analyzeOperation("OPTIONS", path, op.Options)
+	for i, param := range op.Parameters {
+		refPref := slashpath.Join("/paths", jsonpointer.Escape(path), "parameters", strconv.Itoa(i))
+		if param.Ref.String() != "" {
+			s.references.addParamRef(refPref, &param)
+		}
+		if param.Pattern != "" {
+			s.patterns.addParameterPattern(refPref, param.Pattern)
+		}
+		if param.Items != nil {
+			s.analyzeItems("items", param.Items, refPref, "parameter")
+		}
+		if param.Schema != nil {
+			s.analyzeSchema("schema", *param.Schema, refPref)
+		}
+	}
+}
+
+func (s *Spec) analyzeItems(name string, items *spec.Items, prefix, location string) {
+	if items == nil {
+		return
+	}
+	refPref := slashpath.Join(prefix, name)
+	s.analyzeItems(name, items.Items, refPref, location)
+	if items.Ref.String() != "" {
+		s.references.addItemsRef(refPref, items, location)
+	}
+	if items.Pattern != "" {
+		s.patterns.addItemsPattern(refPref, items.Pattern)
+	}
+}
+
+func (s *Spec) analyzeOperation(method, path string, op *spec.Operation) {
+	if op == nil {
+		return
+	}
+
+	for _, c := range op.Consumes {
+		s.consumes[c] = struct{}{}
+	}
+	for _, c := range op.Produces {
+		s.produces[c] = struct{}{}
+	}
+	for _, ss := range op.Security {
+		for k := range ss {
+			s.authSchemes[k] = struct{}{}
+		}
+	}
+	if _, ok := s.operations[method]; !ok {
+		s.operations[method] = make(map[string]*spec.Operation)
+	}
+	s.operations[method][path] = op
+	prefix := slashpath.Join("/paths", jsonpointer.Escape(path), strings.ToLower(method))
+	for i, param := range op.Parameters {
+		refPref := slashpath.Join(prefix, "parameters", strconv.Itoa(i))
+		if param.Ref.String() != "" {
+			s.references.addParamRef(refPref, &param)
+		}
+		if param.Pattern != "" {
+			s.patterns.addParameterPattern(refPref, param.Pattern)
+		}
+		s.analyzeItems("items", param.Items, refPref, "parameter")
+		if param.In == "body" && param.Schema != nil {
+			s.analyzeSchema("schema", *param.Schema, refPref)
+		}
+	}
+	if op.Responses != nil {
+		if op.Responses.Default != nil {
+			refPref := slashpath.Join(prefix, "responses", "default")
+			if op.Responses.Default.Ref.String() != "" {
+				s.references.addResponseRef(refPref, op.Responses.Default)
+			}
+			for k, v := range op.Responses.Default.Headers {
+				hRefPref := slashpath.Join(refPref, "headers", k)
+				s.analyzeItems("items", v.Items, hRefPref, "header")
+				if v.Pattern != "" {
+					s.patterns.addHeaderPattern(hRefPref, v.Pattern)
+				}
+			}
+			if op.Responses.Default.Schema != nil {
+				s.analyzeSchema("schema", *op.Responses.Default.Schema, refPref)
+			}
+		}
+		for k, res := range op.Responses.StatusCodeResponses {
+			refPref := slashpath.Join(prefix, "responses", strconv.Itoa(k))
+			if res.Ref.String() != "" {
+				s.references.addResponseRef(refPref, &res)
+			}
+			for k, v := range res.Headers {
+				hRefPref := slashpath.Join(refPref, "headers", k)
+				s.analyzeItems("items", v.Items, hRefPref, "header")
+				if v.Pattern != "" {
+					s.patterns.addHeaderPattern(hRefPref, v.Pattern)
+				}
+			}
+			if res.Schema != nil {
+				s.analyzeSchema("schema", *res.Schema, refPref)
+			}
+		}
+	}
+}
+
+func (s *Spec) analyzeSchema(name string, schema spec.Schema, prefix string) {
+	refURI := slashpath.Join(prefix, jsonpointer.Escape(name))
+	schRef := SchemaRef{
+		Name:     name,
+		Schema:   &schema,
+		Ref:      spec.MustCreateRef("#" + refURI),
+		TopLevel: prefix == "/definitions",
+	}
+
+	s.allSchemas["#"+refURI] = schRef
+
+	if schema.Ref.String() != "" {
+		s.references.addSchemaRef(refURI, schRef)
+	}
+	if schema.Pattern != "" {
+		s.patterns.addSchemaPattern(refURI, schema.Pattern)
+	}
+
+	for k, v := range schema.Definitions {
+		s.analyzeSchema(k, v, slashpath.Join(refURI, "definitions"))
+	}
+	for k, v := range schema.Properties {
+		s.analyzeSchema(k, v, slashpath.Join(refURI, "properties"))
+	}
+	for k, v := range schema.PatternProperties {
+		// NOTE: swagger 2.0 does not support PatternProperties.
+		// However it is possible to analyze this in a schema
+		s.analyzeSchema(k, v, slashpath.Join(refURI, "patternProperties"))
+	}
+	for i, v := range schema.AllOf {
+		s.analyzeSchema(strconv.Itoa(i), v, slashpath.Join(refURI, "allOf"))
+	}
+	if len(schema.AllOf) > 0 {
+		s.allOfs["#"+refURI] = schRef
+	}
+	for i, v := range schema.AnyOf {
+		// NOTE: swagger 2.0 does not support anyOf constructs.
+		// However it is possible to analyze this in a schema
+		s.analyzeSchema(strconv.Itoa(i), v, slashpath.Join(refURI, "anyOf"))
+	}
+	for i, v := range schema.OneOf {
+		// NOTE: swagger 2.0 does not support oneOf constructs.
+		// However it is possible to analyze this in a schema
+		s.analyzeSchema(strconv.Itoa(i), v, slashpath.Join(refURI, "oneOf"))
+	}
+	if schema.Not != nil {
+		// NOTE: swagger 2.0 does not support "not" constructs.
+		// However it is possible to analyze this in a schema
+		s.analyzeSchema("not", *schema.Not, refURI)
+	}
+	if schema.AdditionalProperties != nil && schema.AdditionalProperties.Schema != nil {
+		s.analyzeSchema("additionalProperties", *schema.AdditionalProperties.Schema, refURI)
+	}
+	if schema.AdditionalItems != nil && schema.AdditionalItems.Schema != nil {
+		// NOTE: swagger 2.0 does not support AdditionalItems.
+		// However it is possible to analyze this in a schema
+		s.analyzeSchema("additionalItems", *schema.AdditionalItems.Schema, refURI)
+	}
+	if schema.Items != nil {
+		if schema.Items.Schema != nil {
+			s.analyzeSchema("items", *schema.Items.Schema, refURI)
+		}
+		for i, sch := range schema.Items.Schemas {
+			s.analyzeSchema(strconv.Itoa(i), sch, slashpath.Join(refURI, "items"))
+		}
+	}
+}
+
+// SecurityRequirement is a representation of a security requirement for an operation
+type SecurityRequirement struct {
+	Name   string
+	Scopes []string
+}
+
+// SecurityRequirementsFor gets the security requirements for the operation
+func (s *Spec) SecurityRequirementsFor(operation *spec.Operation) [][]SecurityRequirement {
+	if s.spec.Security == nil && operation.Security == nil {
+		return nil
+	}
+
+	schemes := s.spec.Security
+	if operation.Security != nil {
+		schemes = operation.Security
+	}
+
+	result := [][]SecurityRequirement{}
+	for _, scheme := range schemes {
+		if len(scheme) == 0 {
+			// append a zero object for anonymous
+			result = append(result, []SecurityRequirement{{}})
+			continue
+		}
+		var reqs []SecurityRequirement
+		for k, v := range scheme {
+			if v == nil {
+				v = []string{}
+			}
+			reqs = append(reqs, SecurityRequirement{Name: k, Scopes: v})
+		}
+		result = append(result, reqs)
+	}
+	return result
+}
+
+// SecurityDefinitionsForRequirements gets the matching security definitions for a set of requirements
+func (s *Spec) SecurityDefinitionsForRequirements(requirements []SecurityRequirement) map[string]spec.SecurityScheme {
+	result := make(map[string]spec.SecurityScheme)
+
+	for _, v := range requirements {
+		if definition, ok := s.spec.SecurityDefinitions[v.Name]; ok {
+			if definition != nil {
+				result[v.Name] = *definition
+			}
+		}
+	}
+	return result
+}
+
+// SecurityDefinitionsFor gets the matching security definitions for a set of requirements
+func (s *Spec) SecurityDefinitionsFor(operation *spec.Operation) map[string]spec.SecurityScheme {
+	requirements := s.SecurityRequirementsFor(operation)
+	if len(requirements) == 0 {
+		return nil
+	}
+
+	result := make(map[string]spec.SecurityScheme)
+	for _, reqs := range requirements {
+		for _, v := range reqs {
+			if v.Name == "" {
+				// optional requirement
+				continue
+			}
+			if _, ok := result[v.Name]; ok {
+				// duplicate requirement
+				continue
+			}
+			if definition, ok := s.spec.SecurityDefinitions[v.Name]; ok {
+				if definition != nil {
+					result[v.Name] = *definition
+				}
+			}
+		}
+	}
+	return result
+}
+
+// ConsumesFor gets the mediatypes for the operation
+func (s *Spec) ConsumesFor(operation *spec.Operation) []string {
+
+	if len(operation.Consumes) == 0 {
+		cons := make(map[string]struct{}, len(s.spec.Consumes))
+		for _, k := range s.spec.Consumes {
+			cons[k] = struct{}{}
+		}
+		return s.structMapKeys(cons)
+	}
+
+	cons := make(map[string]struct{}, len(operation.Consumes))
+	for _, c := range operation.Consumes {
+		cons[c] = struct{}{}
+	}
+	return s.structMapKeys(cons)
+}
+
+// ProducesFor gets the mediatypes for the operation
+func (s *Spec) ProducesFor(operation *spec.Operation) []string {
+	if len(operation.Produces) == 0 {
+		prod := make(map[string]struct{}, len(s.spec.Produces))
+		for _, k := range s.spec.Produces {
+			prod[k] = struct{}{}
+		}
+		return s.structMapKeys(prod)
+	}
+
+	prod := make(map[string]struct{}, len(operation.Produces))
+	for _, c := range operation.Produces {
+		prod[c] = struct{}{}
+	}
+	return s.structMapKeys(prod)
+}
+
+func mapKeyFromParam(param *spec.Parameter) string {
+	return fmt.Sprintf("%s#%s", param.In, fieldNameFromParam(param))
+}
+
+func fieldNameFromParam(param *spec.Parameter) string {
+	// TODO: this should be x-go-name
+	if nm, ok := param.Extensions.GetString("go-name"); ok {
+		return nm
+	}
+	return swag.ToGoName(param.Name)
+}
+
+// ErrorOnParamFunc is a callback function to be invoked
+// whenever an error is encountered while resolving references
+// on parameters.
+//
+// This function takes as input the spec.Parameter which triggered the
+// error and the error itself.
+//
+// If the callback function returns false, the calling function should bail.
+//
+// If it returns true, the calling function should continue evaluating parameters.
+// A nil ErrorOnParamFunc must be evaluated as equivalent to panic().
+type ErrorOnParamFunc func(spec.Parameter, error) bool
+
+func (s *Spec) paramsAsMap(parameters []spec.Parameter, res map[string]spec.Parameter, callmeOnError ErrorOnParamFunc) {
+	for _, param := range parameters {
+		pr := param
+		if pr.Ref.String() != "" {
+			obj, _, err := pr.Ref.GetPointer().Get(s.spec)
+			if err != nil {
+				if callmeOnError != nil {
+					if callmeOnError(param, fmt.Errorf("invalid reference: %q", pr.Ref.String())) {
+						continue
+					}
+					break
+				} else {
+					panic(fmt.Sprintf("invalid reference: %q", pr.Ref.String()))
+				}
+			}
+			if objAsParam, ok := obj.(spec.Parameter); ok {
+				pr = objAsParam
+			} else {
+				if callmeOnError != nil {
+					if callmeOnError(param, fmt.Errorf("resolved reference is not a parameter: %q", pr.Ref.String())) {
+						continue
+					}
+					break
+				} else {
+					panic(fmt.Sprintf("resolved reference is not a parameter: %q", pr.Ref.String()))
+				}
+			}
+		}
+		res[mapKeyFromParam(&pr)] = pr
+	}
+}
+
+// ParametersFor the specified operation id.
+//
+// Assumes parameters properly resolve references if any and that
+// such references actually resolve to a parameter object.
+// Otherwise, panics.
+func (s *Spec) ParametersFor(operationID string) []spec.Parameter {
+	return s.SafeParametersFor(operationID, nil)
+}
+
+// SafeParametersFor the specified operation id.
+//
+// Does not assume parameters properly resolve references or that
+// such references actually resolve to a parameter object.
+//
+// Upon error, invoke a ErrorOnParamFunc callback with the erroneous
+// parameters. If the callback is set to nil, panics upon errors.
+func (s *Spec) SafeParametersFor(operationID string, callmeOnError ErrorOnParamFunc) []spec.Parameter {
+	gatherParams := func(pi *spec.PathItem, op *spec.Operation) []spec.Parameter {
+		bag := make(map[string]spec.Parameter)
+		s.paramsAsMap(pi.Parameters, bag, callmeOnError)
+		s.paramsAsMap(op.Parameters, bag, callmeOnError)
+
+		var res []spec.Parameter
+		for _, v := range bag {
+			res = append(res, v)
+		}
+		return res
+	}
+	for _, pi := range s.spec.Paths.Paths {
+		if pi.Get != nil && pi.Get.ID == operationID {
+			return gatherParams(&pi, pi.Get)
+		}
+		if pi.Head != nil && pi.Head.ID == operationID {
+			return gatherParams(&pi, pi.Head)
+		}
+		if pi.Options != nil && pi.Options.ID == operationID {
+			return gatherParams(&pi, pi.Options)
+		}
+		if pi.Post != nil && pi.Post.ID == operationID {
+			return gatherParams(&pi, pi.Post)
+		}
+		if pi.Patch != nil && pi.Patch.ID == operationID {
+			return gatherParams(&pi, pi.Patch)
+		}
+		if pi.Put != nil && pi.Put.ID == operationID {
+			return gatherParams(&pi, pi.Put)
+		}
+		if pi.Delete != nil && pi.Delete.ID == operationID {
+			return gatherParams(&pi, pi.Delete)
+		}
+	}
+	return nil
+}
+
+// ParamsFor the specified method and path. Aggregates them with the defaults etc, so it's all the params that
+// apply for the method and path.
+//
+// Assumes parameters properly resolve references if any and that
+// such references actually resolve to a parameter object.
+// Otherwise, panics.
+func (s *Spec) ParamsFor(method, path string) map[string]spec.Parameter {
+	return s.SafeParamsFor(method, path, nil)
+}
+
+// SafeParamsFor the specified method and path. Aggregates them with the defaults etc, so it's all the params that
+// apply for the method and path.
+//
+// Does not assume parameters properly resolve references or that
+// such references actually resolve to a parameter object.
+//
+// Upon error, invoke a ErrorOnParamFunc callback with the erroneous
+// parameters. If the callback is set to nil, panics upon errors.
+func (s *Spec) SafeParamsFor(method, path string, callmeOnError ErrorOnParamFunc) map[string]spec.Parameter {
+	res := make(map[string]spec.Parameter)
+	if pi, ok := s.spec.Paths.Paths[path]; ok {
+		s.paramsAsMap(pi.Parameters, res, callmeOnError)
+		s.paramsAsMap(s.operations[strings.ToUpper(method)][path].Parameters, res, callmeOnError)
+	}
+	return res
+}
+
+// OperationForName gets the operation for the given id
+func (s *Spec) OperationForName(operationID string) (string, string, *spec.Operation, bool) {
+	for method, pathItem := range s.operations {
+		for path, op := range pathItem {
+			if operationID == op.ID {
+				return method, path, op, true
+			}
+		}
+	}
+	return "", "", nil, false
+}
+
+// OperationFor the given method and path
+func (s *Spec) OperationFor(method, path string) (*spec.Operation, bool) {
+	if mp, ok := s.operations[strings.ToUpper(method)]; ok {
+		op, fn := mp[path]
+		return op, fn
+	}
+	return nil, false
+}
+
+// Operations gathers all the operations specified in the spec document
+func (s *Spec) Operations() map[string]map[string]*spec.Operation {
+	return s.operations
+}
+
+func (s *Spec) structMapKeys(mp map[string]struct{}) []string {
+	if len(mp) == 0 {
+		return nil
+	}
+
+	result := make([]string, 0, len(mp))
+	for k := range mp {
+		result = append(result, k)
+	}
+	return result
+}
+
+// AllPaths returns all the paths in the swagger spec
+func (s *Spec) AllPaths() map[string]spec.PathItem {
+	if s.spec == nil || s.spec.Paths == nil {
+		return nil
+	}
+	return s.spec.Paths.Paths
+}
+
+// OperationIDs gets all the operation ids based on method an dpath
+func (s *Spec) OperationIDs() []string {
+	if len(s.operations) == 0 {
+		return nil
+	}
+	result := make([]string, 0, len(s.operations))
+	for method, v := range s.operations {
+		for p, o := range v {
+			if o.ID != "" {
+				result = append(result, o.ID)
+			} else {
+				result = append(result, fmt.Sprintf("%s %s", strings.ToUpper(method), p))
+			}
+		}
+	}
+	return result
+}
+
+// OperationMethodPaths gets all the operation ids based on method an dpath
+func (s *Spec) OperationMethodPaths() []string {
+	if len(s.operations) == 0 {
+		return nil
+	}
+	result := make([]string, 0, len(s.operations))
+	for method, v := range s.operations {
+		for p := range v {
+			result = append(result, fmt.Sprintf("%s %s", strings.ToUpper(method), p))
+		}
+	}
+	return result
+}
+
+// RequiredConsumes gets all the distinct consumes that are specified in the specification document
+func (s *Spec) RequiredConsumes() []string {
+	return s.structMapKeys(s.consumes)
+}
+
+// RequiredProduces gets all the distinct produces that are specified in the specification document
+func (s *Spec) RequiredProduces() []string {
+	return s.structMapKeys(s.produces)
+}
+
+// RequiredSecuritySchemes gets all the distinct security schemes that are specified in the swagger spec
+func (s *Spec) RequiredSecuritySchemes() []string {
+	return s.structMapKeys(s.authSchemes)
+}
+
+// SchemaRef is a reference to a schema
+type SchemaRef struct {
+	Name     string
+	Ref      spec.Ref
+	Schema   *spec.Schema
+	TopLevel bool
+}
+
+// SchemasWithAllOf returns schema references to all schemas that are defined
+// with an allOf key
+func (s *Spec) SchemasWithAllOf() (result []SchemaRef) {
+	for _, v := range s.allOfs {
+		result = append(result, v)
+	}
+	return
+}
+
+// AllDefinitions returns schema references for all the definitions that were discovered
+func (s *Spec) AllDefinitions() (result []SchemaRef) {
+	for _, v := range s.allSchemas {
+		result = append(result, v)
+	}
+	return
+}
+
+// AllDefinitionReferences returns json refs for all the discovered schemas
+func (s *Spec) AllDefinitionReferences() (result []string) {
+	for _, v := range s.references.schemas {
+		result = append(result, v.String())
+	}
+	return
+}
+
+// AllParameterReferences returns json refs for all the discovered parameters
+func (s *Spec) AllParameterReferences() (result []string) {
+	for _, v := range s.references.parameters {
+		result = append(result, v.String())
+	}
+	return
+}
+
+// AllResponseReferences returns json refs for all the discovered responses
+func (s *Spec) AllResponseReferences() (result []string) {
+	for _, v := range s.references.responses {
+		result = append(result, v.String())
+	}
+	return
+}
+
+// AllPathItemReferences returns the references for all the items
+func (s *Spec) AllPathItemReferences() (result []string) {
+	for _, v := range s.references.pathItems {
+		result = append(result, v.String())
+	}
+	return
+}
+
+// AllItemsReferences returns the references for all the items in simple schemas (parameters or headers).
+//
+// NOTE: since Swagger 2.0 forbids $ref in simple params, this should always yield an empty slice for a valid
+// Swagger 2.0 spec.
+func (s *Spec) AllItemsReferences() (result []string) {
+	for _, v := range s.references.items {
+		result = append(result, v.String())
+	}
+	return
+}
+
+// AllReferences returns all the references found in the document, with possible duplicates
+func (s *Spec) AllReferences() (result []string) {
+	for _, v := range s.references.allRefs {
+		result = append(result, v.String())
+	}
+	return
+}
+
+// AllRefs returns all the unique references found in the document
+func (s *Spec) AllRefs() (result []spec.Ref) {
+	set := make(map[string]struct{})
+	for _, v := range s.references.allRefs {
+		a := v.String()
+		if a == "" {
+			continue
+		}
+		if _, ok := set[a]; !ok {
+			set[a] = struct{}{}
+			result = append(result, v)
+		}
+	}
+	return
+}
+
+func cloneStringMap(source map[string]string) map[string]string {
+	res := make(map[string]string, len(source))
+	for k, v := range source {
+		res[k] = v
+	}
+	return res
+}
+
+// ParameterPatterns returns all the patterns found in parameters
+// the map is cloned to avoid accidental changes
+func (s *Spec) ParameterPatterns() map[string]string {
+	return cloneStringMap(s.patterns.parameters)
+}
+
+// HeaderPatterns returns all the patterns found in response headers
+// the map is cloned to avoid accidental changes
+func (s *Spec) HeaderPatterns() map[string]string {
+	return cloneStringMap(s.patterns.headers)
+}
+
+// ItemsPatterns returns all the patterns found in simple array items
+// the map is cloned to avoid accidental changes
+func (s *Spec) ItemsPatterns() map[string]string {
+	return cloneStringMap(s.patterns.items)
+}
+
+// SchemaPatterns returns all the patterns found in schemas
+// the map is cloned to avoid accidental changes
+func (s *Spec) SchemaPatterns() map[string]string {
+	return cloneStringMap(s.patterns.schemas)
+}
+
+// AllPatterns returns all the patterns found in the spec
+// the map is cloned to avoid accidental changes
+func (s *Spec) AllPatterns() map[string]string {
+	return cloneStringMap(s.patterns.allPatterns)
+}