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-rw-r--r--vendor/github.com/go-openapi/analysis/internal/flatten/normalize/normalize.go87
-rw-r--r--vendor/github.com/go-openapi/analysis/internal/flatten/operations/operations.go90
-rw-r--r--vendor/github.com/go-openapi/analysis/internal/flatten/replace/replace.go434
-rw-r--r--vendor/github.com/go-openapi/analysis/internal/flatten/schutils/flatten_schema.go29
-rw-r--r--vendor/github.com/go-openapi/analysis/internal/flatten/sortref/keys.go201
-rw-r--r--vendor/github.com/go-openapi/analysis/internal/flatten/sortref/sort_ref.go141
6 files changed, 982 insertions, 0 deletions
diff --git a/vendor/github.com/go-openapi/analysis/internal/flatten/normalize/normalize.go b/vendor/github.com/go-openapi/analysis/internal/flatten/normalize/normalize.go
new file mode 100644
index 000000000..8c9df0580
--- /dev/null
+++ b/vendor/github.com/go-openapi/analysis/internal/flatten/normalize/normalize.go
@@ -0,0 +1,87 @@
+package normalize
+
+import (
+ "net/url"
+ "path"
+ "path/filepath"
+ "strings"
+
+ "github.com/go-openapi/spec"
+)
+
+// RebaseRef rebases a remote ref relative to a base ref.
+//
+// NOTE: does not support JSONschema ID for $ref (we assume we are working with swagger specs here).
+//
+// NOTE(windows):
+// * refs are assumed to have been normalized with drive letter lower cased (from go-openapi/spec)
+// * "/ in paths may appear as escape sequences
+func RebaseRef(baseRef string, ref string) string {
+ baseRef, _ = url.PathUnescape(baseRef)
+ ref, _ = url.PathUnescape(ref)
+
+ if baseRef == "" || baseRef == "." || strings.HasPrefix(baseRef, "#") {
+ return ref
+ }
+
+ parts := strings.Split(ref, "#")
+
+ baseParts := strings.Split(baseRef, "#")
+ baseURL, _ := url.Parse(baseParts[0])
+ if strings.HasPrefix(ref, "#") {
+ if baseURL.Host == "" {
+ return strings.Join([]string{baseParts[0], parts[1]}, "#")
+ }
+
+ return strings.Join([]string{baseParts[0], parts[1]}, "#")
+ }
+
+ refURL, _ := url.Parse(parts[0])
+ if refURL.Host != "" || filepath.IsAbs(parts[0]) {
+ // not rebasing an absolute path
+ return ref
+ }
+
+ // there is a relative path
+ var basePath string
+ if baseURL.Host != "" {
+ // when there is a host, standard URI rules apply (with "/")
+ baseURL.Path = path.Dir(baseURL.Path)
+ baseURL.Path = path.Join(baseURL.Path, "/"+parts[0])
+
+ return baseURL.String()
+ }
+
+ // this is a local relative path
+ // basePart[0] and parts[0] are local filesystem directories/files
+ basePath = filepath.Dir(baseParts[0])
+ relPath := filepath.Join(basePath, string(filepath.Separator)+parts[0])
+ if len(parts) > 1 {
+ return strings.Join([]string{relPath, parts[1]}, "#")
+ }
+
+ return relPath
+}
+
+// Path renders absolute path on remote file refs
+//
+// NOTE(windows):
+// * refs are assumed to have been normalized with drive letter lower cased (from go-openapi/spec)
+// * "/ in paths may appear as escape sequences
+func Path(ref spec.Ref, basePath string) string {
+ uri, _ := url.PathUnescape(ref.String())
+ if ref.HasFragmentOnly || filepath.IsAbs(uri) {
+ return uri
+ }
+
+ refURL, _ := url.Parse(uri)
+ if refURL.Host != "" {
+ return uri
+ }
+
+ parts := strings.Split(uri, "#")
+ // BasePath, parts[0] are local filesystem directories, guaranteed to be absolute at this stage
+ parts[0] = filepath.Join(filepath.Dir(basePath), parts[0])
+
+ return strings.Join(parts, "#")
+}
diff --git a/vendor/github.com/go-openapi/analysis/internal/flatten/operations/operations.go b/vendor/github.com/go-openapi/analysis/internal/flatten/operations/operations.go
new file mode 100644
index 000000000..7f3a2b871
--- /dev/null
+++ b/vendor/github.com/go-openapi/analysis/internal/flatten/operations/operations.go
@@ -0,0 +1,90 @@
+package operations
+
+import (
+ "path"
+ "sort"
+ "strings"
+
+ "github.com/go-openapi/jsonpointer"
+ "github.com/go-openapi/spec"
+ "github.com/go-openapi/swag"
+)
+
+// AllOpRefsByRef returns an index of sortable operations
+func AllOpRefsByRef(specDoc Provider, operationIDs []string) map[string]OpRef {
+ return OpRefsByRef(GatherOperations(specDoc, operationIDs))
+}
+
+// OpRefsByRef indexes a map of sortable operations
+func OpRefsByRef(oprefs map[string]OpRef) map[string]OpRef {
+ result := make(map[string]OpRef, len(oprefs))
+ for _, v := range oprefs {
+ result[v.Ref.String()] = v
+ }
+
+ return result
+}
+
+// OpRef is an indexable, sortable operation
+type OpRef struct {
+ Method string
+ Path string
+ Key string
+ ID string
+ Op *spec.Operation
+ Ref spec.Ref
+}
+
+// OpRefs is a sortable collection of operations
+type OpRefs []OpRef
+
+func (o OpRefs) Len() int { return len(o) }
+func (o OpRefs) Swap(i, j int) { o[i], o[j] = o[j], o[i] }
+func (o OpRefs) Less(i, j int) bool { return o[i].Key < o[j].Key }
+
+// Provider knows how to collect operations from a spec
+type Provider interface {
+ Operations() map[string]map[string]*spec.Operation
+}
+
+// GatherOperations builds a map of sorted operations from a spec
+func GatherOperations(specDoc Provider, operationIDs []string) map[string]OpRef {
+ var oprefs OpRefs
+
+ for method, pathItem := range specDoc.Operations() {
+ for pth, operation := range pathItem {
+ vv := *operation
+ oprefs = append(oprefs, OpRef{
+ Key: swag.ToGoName(strings.ToLower(method) + " " + pth),
+ Method: method,
+ Path: pth,
+ ID: vv.ID,
+ Op: &vv,
+ Ref: spec.MustCreateRef("#" + path.Join("/paths", jsonpointer.Escape(pth), method)),
+ })
+ }
+ }
+
+ sort.Sort(oprefs)
+
+ operations := make(map[string]OpRef)
+ for _, opr := range oprefs {
+ nm := opr.ID
+ if nm == "" {
+ nm = opr.Key
+ }
+
+ oo, found := operations[nm]
+ if found && oo.Method != opr.Method && oo.Path != opr.Path {
+ nm = opr.Key
+ }
+
+ if len(operationIDs) == 0 || swag.ContainsStrings(operationIDs, opr.ID) || swag.ContainsStrings(operationIDs, nm) {
+ opr.ID = nm
+ opr.Op.ID = nm
+ operations[nm] = opr
+ }
+ }
+
+ return operations
+}
diff --git a/vendor/github.com/go-openapi/analysis/internal/flatten/replace/replace.go b/vendor/github.com/go-openapi/analysis/internal/flatten/replace/replace.go
new file mode 100644
index 000000000..26c2a05a3
--- /dev/null
+++ b/vendor/github.com/go-openapi/analysis/internal/flatten/replace/replace.go
@@ -0,0 +1,434 @@
+package replace
+
+import (
+ "fmt"
+ "net/url"
+ "os"
+ "path"
+ "strconv"
+
+ "github.com/go-openapi/analysis/internal/debug"
+ "github.com/go-openapi/jsonpointer"
+ "github.com/go-openapi/spec"
+)
+
+const definitionsPath = "#/definitions"
+
+var debugLog = debug.GetLogger("analysis/flatten/replace", os.Getenv("SWAGGER_DEBUG") != "")
+
+// RewriteSchemaToRef replaces a schema with a Ref
+func RewriteSchemaToRef(sp *spec.Swagger, key string, ref spec.Ref) error {
+ debugLog("rewriting schema to ref for %s with %s", key, ref.String())
+ _, value, err := getPointerFromKey(sp, key)
+ if err != nil {
+ return err
+ }
+
+ switch refable := value.(type) {
+ case *spec.Schema:
+ return rewriteParentRef(sp, key, ref)
+
+ case spec.Schema:
+ return rewriteParentRef(sp, key, ref)
+
+ case *spec.SchemaOrArray:
+ if refable.Schema != nil {
+ refable.Schema = &spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+ }
+
+ case *spec.SchemaOrBool:
+ if refable.Schema != nil {
+ refable.Schema = &spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+ }
+ default:
+ return fmt.Errorf("no schema with ref found at %s for %T", key, value)
+ }
+
+ return nil
+}
+
+func rewriteParentRef(sp *spec.Swagger, key string, ref spec.Ref) error {
+ parent, entry, pvalue, err := getParentFromKey(sp, key)
+ if err != nil {
+ return err
+ }
+
+ debugLog("rewriting holder for %T", pvalue)
+ switch container := pvalue.(type) {
+ case spec.Response:
+ if err := rewriteParentRef(sp, "#"+parent, ref); err != nil {
+ return err
+ }
+
+ case *spec.Response:
+ container.Schema = &spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+
+ case *spec.Responses:
+ statusCode, err := strconv.Atoi(entry)
+ if err != nil {
+ return fmt.Errorf("%s not a number: %w", key[1:], err)
+ }
+ resp := container.StatusCodeResponses[statusCode]
+ resp.Schema = &spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+ container.StatusCodeResponses[statusCode] = resp
+
+ case map[string]spec.Response:
+ resp := container[entry]
+ resp.Schema = &spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+ container[entry] = resp
+
+ case spec.Parameter:
+ if err := rewriteParentRef(sp, "#"+parent, ref); err != nil {
+ return err
+ }
+
+ case map[string]spec.Parameter:
+ param := container[entry]
+ param.Schema = &spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+ container[entry] = param
+
+ case []spec.Parameter:
+ idx, err := strconv.Atoi(entry)
+ if err != nil {
+ return fmt.Errorf("%s not a number: %w", key[1:], err)
+ }
+ param := container[idx]
+ param.Schema = &spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+ container[idx] = param
+
+ case spec.Definitions:
+ container[entry] = spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+
+ case map[string]spec.Schema:
+ container[entry] = spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+
+ case []spec.Schema:
+ idx, err := strconv.Atoi(entry)
+ if err != nil {
+ return fmt.Errorf("%s not a number: %w", key[1:], err)
+ }
+ container[idx] = spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+
+ case *spec.SchemaOrArray:
+ // NOTE: this is necessarily an array - otherwise, the parent would be *Schema
+ idx, err := strconv.Atoi(entry)
+ if err != nil {
+ return fmt.Errorf("%s not a number: %w", key[1:], err)
+ }
+ container.Schemas[idx] = spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+
+ case spec.SchemaProperties:
+ container[entry] = spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+
+ // NOTE: can't have case *spec.SchemaOrBool = parent in this case is *Schema
+
+ default:
+ return fmt.Errorf("unhandled parent schema rewrite %s (%T)", key, pvalue)
+ }
+
+ return nil
+}
+
+// getPointerFromKey retrieves the content of the JSON pointer "key"
+func getPointerFromKey(sp interface{}, key string) (string, interface{}, error) {
+ switch sp.(type) {
+ case *spec.Schema:
+ case *spec.Swagger:
+ default:
+ panic("unexpected type used in getPointerFromKey")
+ }
+ if key == "#/" {
+ return "", sp, nil
+ }
+ // unescape chars in key, e.g. "{}" from path params
+ pth, _ := url.PathUnescape(key[1:])
+ ptr, err := jsonpointer.New(pth)
+ if err != nil {
+ return "", nil, err
+ }
+
+ value, _, err := ptr.Get(sp)
+ if err != nil {
+ debugLog("error when getting key: %s with path: %s", key, pth)
+
+ return "", nil, err
+ }
+
+ return pth, value, nil
+}
+
+// getParentFromKey retrieves the container of the JSON pointer "key"
+func getParentFromKey(sp interface{}, key string) (string, string, interface{}, error) {
+ switch sp.(type) {
+ case *spec.Schema:
+ case *spec.Swagger:
+ default:
+ panic("unexpected type used in getPointerFromKey")
+ }
+ // unescape chars in key, e.g. "{}" from path params
+ pth, _ := url.PathUnescape(key[1:])
+
+ parent, entry := path.Dir(pth), path.Base(pth)
+ debugLog("getting schema holder at: %s, with entry: %s", parent, entry)
+
+ pptr, err := jsonpointer.New(parent)
+ if err != nil {
+ return "", "", nil, err
+ }
+ pvalue, _, err := pptr.Get(sp)
+ if err != nil {
+ return "", "", nil, fmt.Errorf("can't get parent for %s: %w", parent, err)
+ }
+
+ return parent, entry, pvalue, nil
+}
+
+// UpdateRef replaces a ref by another one
+func UpdateRef(sp interface{}, key string, ref spec.Ref) error {
+ switch sp.(type) {
+ case *spec.Schema:
+ case *spec.Swagger:
+ default:
+ panic("unexpected type used in getPointerFromKey")
+ }
+ debugLog("updating ref for %s with %s", key, ref.String())
+ pth, value, err := getPointerFromKey(sp, key)
+ if err != nil {
+ return err
+ }
+
+ switch refable := value.(type) {
+ case *spec.Schema:
+ refable.Ref = ref
+ case *spec.SchemaOrArray:
+ if refable.Schema != nil {
+ refable.Schema.Ref = ref
+ }
+ case *spec.SchemaOrBool:
+ if refable.Schema != nil {
+ refable.Schema.Ref = ref
+ }
+ case spec.Schema:
+ debugLog("rewriting holder for %T", refable)
+ _, entry, pvalue, erp := getParentFromKey(sp, key)
+ if erp != nil {
+ return err
+ }
+ switch container := pvalue.(type) {
+ case spec.Definitions:
+ container[entry] = spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+
+ case map[string]spec.Schema:
+ container[entry] = spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+
+ case []spec.Schema:
+ idx, err := strconv.Atoi(entry)
+ if err != nil {
+ return fmt.Errorf("%s not a number: %w", pth, err)
+ }
+ container[idx] = spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+
+ case *spec.SchemaOrArray:
+ // NOTE: this is necessarily an array - otherwise, the parent would be *Schema
+ idx, err := strconv.Atoi(entry)
+ if err != nil {
+ return fmt.Errorf("%s not a number: %w", pth, err)
+ }
+ container.Schemas[idx] = spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+
+ case spec.SchemaProperties:
+ container[entry] = spec.Schema{SchemaProps: spec.SchemaProps{Ref: ref}}
+
+ // NOTE: can't have case *spec.SchemaOrBool = parent in this case is *Schema
+
+ default:
+ return fmt.Errorf("unhandled container type at %s: %T", key, value)
+ }
+
+ default:
+ return fmt.Errorf("no schema with ref found at %s for %T", key, value)
+ }
+
+ return nil
+}
+
+// UpdateRefWithSchema replaces a ref with a schema (i.e. re-inline schema)
+func UpdateRefWithSchema(sp *spec.Swagger, key string, sch *spec.Schema) error {
+ debugLog("updating ref for %s with schema", key)
+ pth, value, err := getPointerFromKey(sp, key)
+ if err != nil {
+ return err
+ }
+
+ switch refable := value.(type) {
+ case *spec.Schema:
+ *refable = *sch
+ case spec.Schema:
+ _, entry, pvalue, erp := getParentFromKey(sp, key)
+ if erp != nil {
+ return err
+ }
+ switch container := pvalue.(type) {
+ case spec.Definitions:
+ container[entry] = *sch
+
+ case map[string]spec.Schema:
+ container[entry] = *sch
+
+ case []spec.Schema:
+ idx, err := strconv.Atoi(entry)
+ if err != nil {
+ return fmt.Errorf("%s not a number: %w", pth, err)
+ }
+ container[idx] = *sch
+
+ case *spec.SchemaOrArray:
+ // NOTE: this is necessarily an array - otherwise, the parent would be *Schema
+ idx, err := strconv.Atoi(entry)
+ if err != nil {
+ return fmt.Errorf("%s not a number: %w", pth, err)
+ }
+ container.Schemas[idx] = *sch
+
+ case spec.SchemaProperties:
+ container[entry] = *sch
+
+ // NOTE: can't have case *spec.SchemaOrBool = parent in this case is *Schema
+
+ default:
+ return fmt.Errorf("unhandled type for parent of [%s]: %T", key, value)
+ }
+ case *spec.SchemaOrArray:
+ *refable.Schema = *sch
+ // NOTE: can't have case *spec.SchemaOrBool = parent in this case is *Schema
+ case *spec.SchemaOrBool:
+ *refable.Schema = *sch
+ default:
+ return fmt.Errorf("no schema with ref found at %s for %T", key, value)
+ }
+
+ return nil
+}
+
+// DeepestRefResult holds the results from DeepestRef analysis
+type DeepestRefResult struct {
+ Ref spec.Ref
+ Schema *spec.Schema
+ Warnings []string
+}
+
+// DeepestRef finds the first definition ref, from a cascade of nested refs which are not definitions.
+// - if no definition is found, returns the deepest ref.
+// - pointers to external files are expanded
+//
+// NOTE: all external $ref's are assumed to be already expanded at this stage.
+func DeepestRef(sp *spec.Swagger, opts *spec.ExpandOptions, ref spec.Ref) (*DeepestRefResult, error) {
+ if !ref.HasFragmentOnly {
+ // we found an external $ref, which is odd at this stage:
+ // do nothing on external $refs
+ return &DeepestRefResult{Ref: ref}, nil
+ }
+
+ currentRef := ref
+ visited := make(map[string]bool, 64)
+ warnings := make([]string, 0, 2)
+
+DOWNREF:
+ for currentRef.String() != "" {
+ if path.Dir(currentRef.String()) == definitionsPath {
+ // this is a top-level definition: stop here and return this ref
+ return &DeepestRefResult{Ref: currentRef}, nil
+ }
+
+ if _, beenThere := visited[currentRef.String()]; beenThere {
+ return nil,
+ fmt.Errorf("cannot resolve cyclic chain of pointers under %s", currentRef.String())
+ }
+
+ visited[currentRef.String()] = true
+ value, _, err := currentRef.GetPointer().Get(sp)
+ if err != nil {
+ return nil, err
+ }
+
+ switch refable := value.(type) {
+ case *spec.Schema:
+ if refable.Ref.String() == "" {
+ break DOWNREF
+ }
+ currentRef = refable.Ref
+
+ case spec.Schema:
+ if refable.Ref.String() == "" {
+ break DOWNREF
+ }
+ currentRef = refable.Ref
+
+ case *spec.SchemaOrArray:
+ if refable.Schema == nil || refable.Schema != nil && refable.Schema.Ref.String() == "" {
+ break DOWNREF
+ }
+ currentRef = refable.Schema.Ref
+
+ case *spec.SchemaOrBool:
+ if refable.Schema == nil || refable.Schema != nil && refable.Schema.Ref.String() == "" {
+ break DOWNREF
+ }
+ currentRef = refable.Schema.Ref
+
+ case spec.Response:
+ // a pointer points to a schema initially marshalled in responses section...
+ // Attempt to convert this to a schema. If this fails, the spec is invalid
+ asJSON, _ := refable.MarshalJSON()
+ var asSchema spec.Schema
+
+ err := asSchema.UnmarshalJSON(asJSON)
+ if err != nil {
+ return nil,
+ fmt.Errorf("invalid type for resolved JSON pointer %s. Expected a schema a, got: %T",
+ currentRef.String(), value)
+ }
+ warnings = append(warnings, fmt.Sprintf("found $ref %q (response) interpreted as schema", currentRef.String()))
+
+ if asSchema.Ref.String() == "" {
+ break DOWNREF
+ }
+ currentRef = asSchema.Ref
+
+ case spec.Parameter:
+ // a pointer points to a schema initially marshalled in parameters section...
+ // Attempt to convert this to a schema. If this fails, the spec is invalid
+ asJSON, _ := refable.MarshalJSON()
+ var asSchema spec.Schema
+ if err := asSchema.UnmarshalJSON(asJSON); err != nil {
+ return nil,
+ fmt.Errorf("invalid type for resolved JSON pointer %s. Expected a schema a, got: %T",
+ currentRef.String(), value)
+ }
+
+ warnings = append(warnings, fmt.Sprintf("found $ref %q (parameter) interpreted as schema", currentRef.String()))
+
+ if asSchema.Ref.String() == "" {
+ break DOWNREF
+ }
+ currentRef = asSchema.Ref
+
+ default:
+ return nil,
+ fmt.Errorf("unhandled type to resolve JSON pointer %s. Expected a Schema, got: %T",
+ currentRef.String(), value)
+ }
+ }
+
+ // assess what schema we're ending with
+ sch, erv := spec.ResolveRefWithBase(sp, &currentRef, opts)
+ if erv != nil {
+ return nil, erv
+ }
+
+ if sch == nil {
+ return nil, fmt.Errorf("no schema found at %s", currentRef.String())
+ }
+
+ return &DeepestRefResult{Ref: currentRef, Schema: sch, Warnings: warnings}, nil
+}
diff --git a/vendor/github.com/go-openapi/analysis/internal/flatten/schutils/flatten_schema.go b/vendor/github.com/go-openapi/analysis/internal/flatten/schutils/flatten_schema.go
new file mode 100644
index 000000000..4590236e6
--- /dev/null
+++ b/vendor/github.com/go-openapi/analysis/internal/flatten/schutils/flatten_schema.go
@@ -0,0 +1,29 @@
+// Package schutils provides tools to save or clone a schema
+// when flattening a spec.
+package schutils
+
+import (
+ "github.com/go-openapi/spec"
+ "github.com/go-openapi/swag"
+)
+
+// Save registers a schema as an entry in spec #/definitions
+func Save(sp *spec.Swagger, name string, schema *spec.Schema) {
+ if schema == nil {
+ return
+ }
+
+ if sp.Definitions == nil {
+ sp.Definitions = make(map[string]spec.Schema, 150)
+ }
+
+ sp.Definitions[name] = *schema
+}
+
+// Clone deep-clones a schema
+func Clone(schema *spec.Schema) *spec.Schema {
+ var sch spec.Schema
+ _ = swag.FromDynamicJSON(schema, &sch)
+
+ return &sch
+}
diff --git a/vendor/github.com/go-openapi/analysis/internal/flatten/sortref/keys.go b/vendor/github.com/go-openapi/analysis/internal/flatten/sortref/keys.go
new file mode 100644
index 000000000..18e552ead
--- /dev/null
+++ b/vendor/github.com/go-openapi/analysis/internal/flatten/sortref/keys.go
@@ -0,0 +1,201 @@
+package sortref
+
+import (
+ "net/http"
+ "path"
+ "strconv"
+ "strings"
+
+ "github.com/go-openapi/jsonpointer"
+ "github.com/go-openapi/spec"
+)
+
+const (
+ paths = "paths"
+ responses = "responses"
+ parameters = "parameters"
+ definitions = "definitions"
+)
+
+var (
+ ignoredKeys map[string]struct{}
+ validMethods map[string]struct{}
+)
+
+func init() {
+ ignoredKeys = map[string]struct{}{
+ "schema": {},
+ "properties": {},
+ "not": {},
+ "anyOf": {},
+ "oneOf": {},
+ }
+
+ validMethods = map[string]struct{}{
+ "GET": {},
+ "HEAD": {},
+ "OPTIONS": {},
+ "PATCH": {},
+ "POST": {},
+ "PUT": {},
+ "DELETE": {},
+ }
+}
+
+// Key represent a key item constructed from /-separated segments
+type Key struct {
+ Segments int
+ Key string
+}
+
+// Keys is a sortable collable collection of Keys
+type Keys []Key
+
+func (k Keys) Len() int { return len(k) }
+func (k Keys) Swap(i, j int) { k[i], k[j] = k[j], k[i] }
+func (k Keys) Less(i, j int) bool {
+ return k[i].Segments > k[j].Segments || (k[i].Segments == k[j].Segments && k[i].Key < k[j].Key)
+}
+
+// KeyParts construct a SplitKey with all its /-separated segments decomposed. It is sortable.
+func KeyParts(key string) SplitKey {
+ var res []string
+ for _, part := range strings.Split(key[1:], "/") {
+ if part != "" {
+ res = append(res, jsonpointer.Unescape(part))
+ }
+ }
+
+ return res
+}
+
+// SplitKey holds of the parts of a /-separated key, soi that their location may be determined.
+type SplitKey []string
+
+// IsDefinition is true when the split key is in the #/definitions section of a spec
+func (s SplitKey) IsDefinition() bool {
+ return len(s) > 1 && s[0] == definitions
+}
+
+// DefinitionName yields the name of the definition
+func (s SplitKey) DefinitionName() string {
+ if !s.IsDefinition() {
+ return ""
+ }
+
+ return s[1]
+}
+
+func (s SplitKey) isKeyName(i int) bool {
+ if i <= 0 {
+ return false
+ }
+
+ count := 0
+ for idx := i - 1; idx > 0; idx-- {
+ if s[idx] != "properties" {
+ break
+ }
+ count++
+ }
+
+ return count%2 != 0
+}
+
+// PartAdder know how to construct the components of a new name
+type PartAdder func(string) []string
+
+// BuildName builds a name from segments
+func (s SplitKey) BuildName(segments []string, startIndex int, adder PartAdder) string {
+ for i, part := range s[startIndex:] {
+ if _, ignored := ignoredKeys[part]; !ignored || s.isKeyName(startIndex+i) {
+ segments = append(segments, adder(part)...)
+ }
+ }
+
+ return strings.Join(segments, " ")
+}
+
+// IsOperation is true when the split key is in the operations section
+func (s SplitKey) IsOperation() bool {
+ return len(s) > 1 && s[0] == paths
+}
+
+// IsSharedOperationParam is true when the split key is in the parameters section of a path
+func (s SplitKey) IsSharedOperationParam() bool {
+ return len(s) > 2 && s[0] == paths && s[2] == parameters
+}
+
+// IsSharedParam is true when the split key is in the #/parameters section of a spec
+func (s SplitKey) IsSharedParam() bool {
+ return len(s) > 1 && s[0] == parameters
+}
+
+// IsOperationParam is true when the split key is in the parameters section of an operation
+func (s SplitKey) IsOperationParam() bool {
+ return len(s) > 3 && s[0] == paths && s[3] == parameters
+}
+
+// IsOperationResponse is true when the split key is in the responses section of an operation
+func (s SplitKey) IsOperationResponse() bool {
+ return len(s) > 3 && s[0] == paths && s[3] == responses
+}
+
+// IsSharedResponse is true when the split key is in the #/responses section of a spec
+func (s SplitKey) IsSharedResponse() bool {
+ return len(s) > 1 && s[0] == responses
+}
+
+// IsDefaultResponse is true when the split key is the default response for an operation
+func (s SplitKey) IsDefaultResponse() bool {
+ return len(s) > 4 && s[0] == paths && s[3] == responses && s[4] == "default"
+}
+
+// IsStatusCodeResponse is true when the split key is an operation response with a status code
+func (s SplitKey) IsStatusCodeResponse() bool {
+ isInt := func() bool {
+ _, err := strconv.Atoi(s[4])
+
+ return err == nil
+ }
+
+ return len(s) > 4 && s[0] == paths && s[3] == responses && isInt()
+}
+
+// ResponseName yields either the status code or "Default" for a response
+func (s SplitKey) ResponseName() string {
+ if s.IsStatusCodeResponse() {
+ code, _ := strconv.Atoi(s[4])
+
+ return http.StatusText(code)
+ }
+
+ if s.IsDefaultResponse() {
+ return "Default"
+ }
+
+ return ""
+}
+
+// PathItemRef constructs a $ref object from a split key of the form /{path}/{method}
+func (s SplitKey) PathItemRef() spec.Ref {
+ if len(s) < 3 {
+ return spec.Ref{}
+ }
+
+ pth, method := s[1], s[2]
+ if _, isValidMethod := validMethods[strings.ToUpper(method)]; !isValidMethod && !strings.HasPrefix(method, "x-") {
+ return spec.Ref{}
+ }
+
+ return spec.MustCreateRef("#" + path.Join("/", paths, jsonpointer.Escape(pth), strings.ToUpper(method)))
+}
+
+// PathRef constructs a $ref object from a split key of the form /paths/{reference}
+func (s SplitKey) PathRef() spec.Ref {
+ if !s.IsOperation() {
+ return spec.Ref{}
+ }
+
+ return spec.MustCreateRef("#" + path.Join("/", paths, jsonpointer.Escape(s[1])))
+}
diff --git a/vendor/github.com/go-openapi/analysis/internal/flatten/sortref/sort_ref.go b/vendor/github.com/go-openapi/analysis/internal/flatten/sortref/sort_ref.go
new file mode 100644
index 000000000..73243df87
--- /dev/null
+++ b/vendor/github.com/go-openapi/analysis/internal/flatten/sortref/sort_ref.go
@@ -0,0 +1,141 @@
+package sortref
+
+import (
+ "reflect"
+ "sort"
+ "strings"
+
+ "github.com/go-openapi/analysis/internal/flatten/normalize"
+ "github.com/go-openapi/spec"
+)
+
+var depthGroupOrder = []string{
+ "sharedParam", "sharedResponse", "sharedOpParam", "opParam", "codeResponse", "defaultResponse", "definition",
+}
+
+type mapIterator struct {
+ len int
+ mapIter *reflect.MapIter
+}
+
+func (i *mapIterator) Next() bool {
+ return i.mapIter.Next()
+}
+
+func (i *mapIterator) Len() int {
+ return i.len
+}
+
+func (i *mapIterator) Key() string {
+ return i.mapIter.Key().String()
+}
+
+func mustMapIterator(anyMap interface{}) *mapIterator {
+ val := reflect.ValueOf(anyMap)
+
+ return &mapIterator{mapIter: val.MapRange(), len: val.Len()}
+}
+
+// DepthFirst sorts a map of anything. It groups keys by category
+// (shared params, op param, statuscode response, default response, definitions)
+// sort groups internally by number of parts in the key and lexical names
+// flatten groups into a single list of keys
+func DepthFirst(in interface{}) []string {
+ iterator := mustMapIterator(in)
+ sorted := make([]string, 0, iterator.Len())
+ grouped := make(map[string]Keys, iterator.Len())
+
+ for iterator.Next() {
+ k := iterator.Key()
+ split := KeyParts(k)
+ var pk string
+
+ if split.IsSharedOperationParam() {
+ pk = "sharedOpParam"
+ }
+ if split.IsOperationParam() {
+ pk = "opParam"
+ }
+ if split.IsStatusCodeResponse() {
+ pk = "codeResponse"
+ }
+ if split.IsDefaultResponse() {
+ pk = "defaultResponse"
+ }
+ if split.IsDefinition() {
+ pk = "definition"
+ }
+ if split.IsSharedParam() {
+ pk = "sharedParam"
+ }
+ if split.IsSharedResponse() {
+ pk = "sharedResponse"
+ }
+ grouped[pk] = append(grouped[pk], Key{Segments: len(split), Key: k})
+ }
+
+ for _, pk := range depthGroupOrder {
+ res := grouped[pk]
+ sort.Sort(res)
+
+ for _, v := range res {
+ sorted = append(sorted, v.Key)
+ }
+ }
+
+ return sorted
+}
+
+// topMostRefs is able to sort refs by hierarchical then lexicographic order,
+// yielding refs ordered breadth-first.
+type topmostRefs []string
+
+func (k topmostRefs) Len() int { return len(k) }
+func (k topmostRefs) Swap(i, j int) { k[i], k[j] = k[j], k[i] }
+func (k topmostRefs) Less(i, j int) bool {
+ li, lj := len(strings.Split(k[i], "/")), len(strings.Split(k[j], "/"))
+ if li == lj {
+ return k[i] < k[j]
+ }
+
+ return li < lj
+}
+
+// TopmostFirst sorts references by depth
+func TopmostFirst(refs []string) []string {
+ res := topmostRefs(refs)
+ sort.Sort(res)
+
+ return res
+}
+
+// RefRevIdx is a reverse index for references
+type RefRevIdx struct {
+ Ref spec.Ref
+ Keys []string
+}
+
+// ReverseIndex builds a reverse index for references in schemas
+func ReverseIndex(schemas map[string]spec.Ref, basePath string) map[string]RefRevIdx {
+ collected := make(map[string]RefRevIdx)
+ for key, schRef := range schemas {
+ // normalize paths before sorting,
+ // so we get together keys that are from the same external file
+ normalizedPath := normalize.Path(schRef, basePath)
+
+ entry, ok := collected[normalizedPath]
+ if ok {
+ entry.Keys = append(entry.Keys, key)
+ collected[normalizedPath] = entry
+
+ continue
+ }
+
+ collected[normalizedPath] = RefRevIdx{
+ Ref: schRef,
+ Keys: []string{key},
+ }
+ }
+
+ return collected
+}