gotosocial/vendor/github.com/go-openapi/analysis/flatten_name.go

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package analysis
import (
"fmt"
"path"
"sort"
"strings"
"github.com/go-openapi/analysis/internal/flatten/operations"
"github.com/go-openapi/analysis/internal/flatten/replace"
"github.com/go-openapi/analysis/internal/flatten/schutils"
"github.com/go-openapi/analysis/internal/flatten/sortref"
"github.com/go-openapi/spec"
"github.com/go-openapi/swag"
)
// InlineSchemaNamer finds a new name for an inlined type
type InlineSchemaNamer struct {
Spec *spec.Swagger
Operations map[string]operations.OpRef
flattenContext *context
opts *FlattenOpts
}
// Name yields a new name for the inline schema
func (isn *InlineSchemaNamer) Name(key string, schema *spec.Schema, aschema *AnalyzedSchema) error {
debugLog("naming inlined schema at %s", key)
parts := sortref.KeyParts(key)
for _, name := range namesFromKey(parts, aschema, isn.Operations) {
if name == "" {
continue
}
// create unique name
newName, isOAIGen := uniqifyName(isn.Spec.Definitions, swag.ToJSONName(name))
// clone schema
sch := schutils.Clone(schema)
// replace values on schema
if err := replace.RewriteSchemaToRef(isn.Spec, key,
spec.MustCreateRef(path.Join(definitionsPath, newName))); err != nil {
return fmt.Errorf("error while creating definition %q from inline schema: %w", newName, err)
}
// rewrite any dependent $ref pointing to this place,
// when not already pointing to a top-level definition.
//
// NOTE: this is important if such referers use arbitrary JSON pointers.
an := New(isn.Spec)
for k, v := range an.references.allRefs {
r, erd := replace.DeepestRef(isn.opts.Swagger(), isn.opts.ExpandOpts(false), v)
if erd != nil {
return fmt.Errorf("at %s, %w", k, erd)
}
if isn.opts.flattenContext != nil {
isn.opts.flattenContext.warnings = append(isn.opts.flattenContext.warnings, r.Warnings...)
}
if r.Ref.String() != key && (r.Ref.String() != path.Join(definitionsPath, newName) || path.Dir(v.String()) == definitionsPath) {
continue
}
debugLog("found a $ref to a rewritten schema: %s points to %s", k, v.String())
// rewrite $ref to the new target
if err := replace.UpdateRef(isn.Spec, k,
spec.MustCreateRef(path.Join(definitionsPath, newName))); err != nil {
return err
}
}
// NOTE: this extension is currently not used by go-swagger (provided for information only)
sch.AddExtension("x-go-gen-location", GenLocation(parts))
// save cloned schema to definitions
schutils.Save(isn.Spec, newName, sch)
// keep track of created refs
if isn.flattenContext == nil {
continue
}
debugLog("track created ref: key=%s, newName=%s, isOAIGen=%t", key, newName, isOAIGen)
resolved := false
if _, ok := isn.flattenContext.newRefs[key]; ok {
resolved = isn.flattenContext.newRefs[key].resolved
}
isn.flattenContext.newRefs[key] = &newRef{
key: key,
newName: newName,
path: path.Join(definitionsPath, newName),
isOAIGen: isOAIGen,
resolved: resolved,
schema: sch,
}
}
return nil
}
// uniqifyName yields a unique name for a definition
func uniqifyName(definitions spec.Definitions, name string) (string, bool) {
isOAIGen := false
if name == "" {
name = "oaiGen"
isOAIGen = true
}
if len(definitions) == 0 {
return name, isOAIGen
}
unq := true
for k := range definitions {
if strings.EqualFold(k, name) {
unq = false
break
}
}
if unq {
return name, isOAIGen
}
name += "OAIGen"
isOAIGen = true
var idx int
unique := name
_, known := definitions[unique]
for known {
idx++
unique = fmt.Sprintf("%s%d", name, idx)
_, known = definitions[unique]
}
return unique, isOAIGen
}
func namesFromKey(parts sortref.SplitKey, aschema *AnalyzedSchema, operations map[string]operations.OpRef) []string {
var (
baseNames [][]string
startIndex int
)
if parts.IsOperation() {
baseNames, startIndex = namesForOperation(parts, operations)
}
// definitions
if parts.IsDefinition() {
baseNames, startIndex = namesForDefinition(parts)
}
result := make([]string, 0, len(baseNames))
for _, segments := range baseNames {
nm := parts.BuildName(segments, startIndex, partAdder(aschema))
if nm == "" {
continue
}
result = append(result, nm)
}
sort.Strings(result)
return result
}
func namesForParam(parts sortref.SplitKey, operations map[string]operations.OpRef) ([][]string, int) {
var (
baseNames [][]string
startIndex int
)
piref := parts.PathItemRef()
if piref.String() != "" && parts.IsOperationParam() {
if op, ok := operations[piref.String()]; ok {
startIndex = 5
baseNames = append(baseNames, []string{op.ID, "params", "body"})
}
} else if parts.IsSharedOperationParam() {
pref := parts.PathRef()
for k, v := range operations {
if strings.HasPrefix(k, pref.String()) {
startIndex = 4
baseNames = append(baseNames, []string{v.ID, "params", "body"})
}
}
}
return baseNames, startIndex
}
func namesForOperation(parts sortref.SplitKey, operations map[string]operations.OpRef) ([][]string, int) {
var (
baseNames [][]string
startIndex int
)
// params
if parts.IsOperationParam() || parts.IsSharedOperationParam() {
baseNames, startIndex = namesForParam(parts, operations)
}
// responses
if parts.IsOperationResponse() {
piref := parts.PathItemRef()
if piref.String() != "" {
if op, ok := operations[piref.String()]; ok {
startIndex = 6
baseNames = append(baseNames, []string{op.ID, parts.ResponseName(), "body"})
}
}
}
return baseNames, startIndex
}
func namesForDefinition(parts sortref.SplitKey) ([][]string, int) {
nm := parts.DefinitionName()
if nm != "" {
return [][]string{{parts.DefinitionName()}}, 2
}
return [][]string{}, 0
}
// partAdder knows how to interpret a schema when it comes to build a name from parts
func partAdder(aschema *AnalyzedSchema) sortref.PartAdder {
return func(part string) []string {
segments := make([]string, 0, 2)
if part == "items" || part == "additionalItems" {
if aschema.IsTuple || aschema.IsTupleWithExtra {
segments = append(segments, "tuple")
} else {
segments = append(segments, "items")
}
if part == "additionalItems" {
segments = append(segments, part)
}
return segments
}
segments = append(segments, part)
return segments
}
}
func nameFromRef(ref spec.Ref) string {
u := ref.GetURL()
if u.Fragment != "" {
return swag.ToJSONName(path.Base(u.Fragment))
}
if u.Path != "" {
bn := path.Base(u.Path)
if bn != "" && bn != "/" {
ext := path.Ext(bn)
if ext != "" {
return swag.ToJSONName(bn[:len(bn)-len(ext)])
}
return swag.ToJSONName(bn)
}
}
return swag.ToJSONName(strings.ReplaceAll(u.Host, ".", " "))
}
// GenLocation indicates from which section of the specification (models or operations) a definition has been created.
//
// This is reflected in the output spec with a "x-go-gen-location" extension. At the moment, this is is provided
// for information only.
func GenLocation(parts sortref.SplitKey) string {
switch {
case parts.IsOperation():
return "operations"
case parts.IsDefinition():
return "models"
default:
return ""
}
}