codegen

package
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 Go to latest Published: Oct 29, 2022 License: Apache-2.0 Imports: 25 Imported by: 0

Documentation

Overview

Copyright 2019 DeepMap, Inc.

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.

Copyright 2019 DeepMap, Inc.

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.

Copyright 2019 DeepMap, Inc.

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.

Copyright 2019 DeepMap, Inc.

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.

Index

Constants

This section is empty.

Variables

View Source 
var TemplateFunctions = template.FuncMap{
	"genParamArgs":               genParamArgs,
	"genParamTypes":              genParamTypes,
	"genParamNames":              genParamNames,
	"genParamFmtString":          ReplacePathParamsWithStr,
	"swaggerUriToEchoUri":        SwaggerUriToEchoUri,
	"swaggerUriToChiUri":         SwaggerUriToChiUri,
	"swaggerUriToGinUri":         SwaggerUriToGinUri,
	"swaggerUriToGorillaUri":     SwaggerUriToGorillaUri,
	"lcFirst":                    LowercaseFirstCharacter,
	"ucFirst":                    UppercaseFirstCharacter,
	"ucFirstWithPkgName":         UppercaseFirstCharacterWithPkgName,
	"camelCase":                  ToCamelCase,
	"genResponsePayload":         genResponsePayload,
	"genResponseTypeName":        genResponseTypeName,
	"genResponseUnmarshal":       genResponseUnmarshal,
	"getResponseTypeDefinitions": getResponseTypeDefinitions,
	"toStringArray":              toStringArray,
	"lower":                      strings.ToLower,
	"title":                      strings.Title,
	"stripNewLines":              stripNewLines,
	"sanitizeGoIdentity":         SanitizeGoIdentity,
	"toGoComment":                StringWithTypeNameToGoComment,
}

TemplateFunctions is passed to the template engine, and we can call each function here by keyName from the template code.

Functions

func EscapePathElements 

func EscapePathElements(path string) string

EscapePathElements breaks apart a path, and looks at each element. If it's not a path parameter, eg, {param}, it will URL-escape the element.

func GenFieldsFromProperties 

func GenFieldsFromProperties(props []Property) []string

GenFieldsFromProperties produce corresponding field names with JSON annotations, given a list of schema descriptors

func GenStructFromAllOf 

func GenStructFromAllOf(allOf []*openapi3.SchemaRef, path []string) (string, error)

GenStructFromAllOf generates an object that is the union of the objects in the input array. In the case of Ref objects, we use an embedded struct, otherwise, we inline the fields.

func GenStructFromSchema 

func GenStructFromSchema(schema Schema) string

func Generate 

func Generate(spec *openapi3.T, opts Configuration) (string, error)

Generate uses the Go templating engine to generate all of our server wrappers from the descriptions we've built up above from the schema objects. opts defines

func GenerateAdditionalPropertyBoilerplate 

func GenerateAdditionalPropertyBoilerplate(t *template.Template, typeDefs []TypeDefinition) (string, error)

GenerateAdditionalPropertyBoilerplate generates all the glue code which provides the API for interacting with additional properties and JSON-ification

func GenerateBodyDefinitions 

func GenerateBodyDefinitions(operationID string, bodyOrRef *openapi3.RequestBodyRef) ([]RequestBodyDefinition, []TypeDefinition, error)

GenerateBodyDefinitions turns the Swagger body definitions into a list of our body definitions which will be used for code generation.

func GenerateChiServer 

func GenerateChiServer(t *template.Template, operations []OperationDefinition) (string, error)

GenerateChiServer This function generates all the go code for the ServerInterface as well as all the wrapper functions around our handlers.

func GenerateClient 

func GenerateClient(t *template.Template, ops []OperationDefinition) (string, error)

GenerateClient uses the template engine to generate the function which registers our wrappers as Echo path handlers.

func GenerateClientWithResponses 

func GenerateClientWithResponses(t *template.Template, ops []OperationDefinition) (string, error)

GenerateClientWithResponses generates a client which extends the basic client which does response unmarshalling.

func GenerateConstants 

func GenerateConstants(t *template.Template, ops []OperationDefinition) (string, error)

GenerateConstants generates operation ids, context keys, paths, etc. to be exported as constants

func GenerateEchoServer 

func GenerateEchoServer(t *template.Template, operations []OperationDefinition) (string, error)

GenerateEchoServer This function generates all the go code for the ServerInterface as well as all the wrapper functions around our handlers.

func GenerateEnums 

func GenerateEnums(t *template.Template, types []TypeDefinition) (string, error)

func GenerateGinServer 

func GenerateGinServer(t *template.Template, operations []OperationDefinition) (string, error)

GenerateGinServer generates all the go code for the ServerInterface as well as all the wrapper functions around our handlers.

func GenerateGorillaServer 

func GenerateGorillaServer(t *template.Template, operations []OperationDefinition) (string, error)

GenerateGorillaServer generates all the go code for the ServerInterface as well as all the wrapper functions around our handlers.

func GenerateImports 

func GenerateImports(t *template.Template, externalImports []string, packageName string) (string, error)

GenerateImports generates our import statements and package definition.

func GenerateInlinedSpec 

func GenerateInlinedSpec(t *template.Template, importMapping importMap, swagger *openapi3.T) (string, error)

GenerateInlinedSpec generates a gzipped, base64 encoded JSON representation of the swagger definition, which we embed inside the generated code.

func GenerateStrictResponses 

func GenerateStrictResponses(t *template.Template, responses []ResponseDefinition) (string, error)

func GenerateStrictServer 

func GenerateStrictServer(t *template.Template, operations []OperationDefinition, opts Configuration) (string, error)

func GenerateTemplates 

func GenerateTemplates(templates []string, t *template.Template, ops interface{}) (string, error)

GenerateTemplates used to generate templates

func GenerateTypeDefinitions 

func GenerateTypeDefinitions(t *template.Template, swagger *openapi3.T, ops []OperationDefinition, excludeSchemas []string) (string, error)

func GenerateTypes 

func GenerateTypes(t *template.Template, types []TypeDefinition) (string, error)

GenerateTypes passes a bunch of types to the template engine, and buffers its output into a string.

func GenerateTypesForOperations 

func GenerateTypesForOperations(t *template.Template, ops []OperationDefinition) (string, error)

GenerateTypesForOperations generates code for all types produced within operations

func GenerateUnionBoilerplate 

func GenerateUnionBoilerplate(t *template.Template, typeDefs []TypeDefinition) (string, error)

func GetParametersImports 

func GetParametersImports(params map[string]*openapi3.ParameterRef) (map[string]goImport, error)

func GetRequestBodiesImports 

func GetRequestBodiesImports(bodies map[string]*openapi3.RequestBodyRef) (map[string]goImport, error)

func GetResponsesImports 

func GetResponsesImports(responses map[string]*openapi3.ResponseRef) (map[string]goImport, error)

func GetSchemaImports 

func GetSchemaImports(schemas map[string]*openapi3.SchemaRef, excludeSchemas []string) (map[string]goImport, error)

func GetTypeDefinitionsImports 

func GetTypeDefinitionsImports(swagger *openapi3.T, excludeSchemas []string) (map[string]goImport, error)

func GoSchemaImports 

func GoSchemaImports(schemas ...*openapi3.SchemaRef) (map[string]goImport, error)

func IsGoIdentity 

func IsGoIdentity(str string) bool

IsGoIdentity checks if the given string can be used as an identity in the generated code like a type name or constant name.

See https://golang.org/ref/spec#Identifiers

func IsGoKeyword 

func IsGoKeyword(str string) bool

IsGoKeyword returns whether the given string is a go keyword

func IsGoTypeReference 

func IsGoTypeReference(ref string) bool

IsGoTypeReference takes a $ref value and checks if it has link to go type. #/components/schemas/Foo -> true ./local/file.yml#/components/parameters/Bar -> true ./local/file.yml -> false IsGoTypeReference can be used to check whether RefPathToGoType($ref) is possible.

func IsPredeclaredGoIdentifier 

func IsPredeclaredGoIdentifier(str string) bool

IsPredeclaredGoIdentifier returns whether the given string is a predefined go indentifier.

See https://golang.org/ref/spec#Predeclared_identifiers

func IsValidGoIdentity 

func IsValidGoIdentity(str string) bool

IsValidGoIdentity checks if the given string can be used as a name of variable, constant, or type.

func IsWholeDocumentReference 

func IsWholeDocumentReference(ref string) bool

IsWholeDocumentReference takes a $ref value and checks if it is whole document reference. #/components/schemas/Foo -> false ./local/file.yml#/components/parameters/Bar -> false ./local/file.yml -> true http://deepmap.com/schemas/document.json -> true http://deepmap.com/schemas/document.json#/Foo -> false

func LoadTemplates 

func LoadTemplates(src embed.FS, t *template.Template) error

LoadTemplates loads all of our template files into a text/template. The path of template is relative to the templates directory.

func LowercaseFirstCharacter 

func LowercaseFirstCharacter(str string) string

LowercaseFirstCharacter Lowercases the first character in a string. This assumes UTF-8, so we have to be careful with unicode, don't treat it as a byte array.

func MergeImports 

func MergeImports(dst, src map[string]goImport)

func OperationImports 

func OperationImports(ops []OperationDefinition) (map[string]goImport, error)

func OperationSchemaImports 

func OperationSchemaImports(s *Schema) (map[string]goImport, error)

func OrderedParamsFromUri 

func OrderedParamsFromUri(uri string) []string

OrderedParamsFromUri returns the argument names, in order, in a given URI string, so for /path/{param1}/{.param2*}/{?param3}, it would return param1, param2, param3

func ParseGoImportExtension 

func ParseGoImportExtension(v *openapi3.SchemaRef) (*goImport, error)

func PathToTypeName 

func PathToTypeName(path []string) string

PathToTypeName converts a path, like Object/field1/nestedField into a go type name.

func PropertiesEqual 

func PropertiesEqual(a, b Property) bool

func RefPathToGoType 

func RefPathToGoType(refPath string) (string, error)

RefPathToGoType takes a $ref value and converts it to a Go typename. #/components/schemas/Foo -> Foo #/components/parameters/Bar -> Bar #/components/responses/Baz -> Baz Remote components (document.json#/Foo) are supported if they present in --import-mapping URL components (http://deepmap.com/schemas/document.json#/Foo) are supported if they present in --import-mapping Remote and URL also support standard local paths even though the spec doesn't mention them.

func ReplacePathParamsWithStr 

func ReplacePathParamsWithStr(uri string) string

ReplacePathParamsWithStr replaces path parameters of the form {param} with %s

func SanitizeCode 

func SanitizeCode(goCode string) string

SanitizeCode runs sanitizers across the generated Go code to ensure the generated code will be able to compile.

func SanitizeEnumNames 

func SanitizeEnumNames(enumNames []string) map[string]string

SanitizeEnumNames fixes illegal chars in the enum names and removes duplicates

func SanitizeGoIdentity 

func SanitizeGoIdentity(str string) string

SanitizeGoIdentity deletes and replaces the illegal runes in the given string to use the string as a valid identity.

func SchemaHasAdditionalProperties 

func SchemaHasAdditionalProperties(schema *openapi3.Schema) bool

According to the spec, additionalProperties may be true, false, or a schema. If not present, true is implied. If it's a schema, true is implied. If it's false, no additional properties are allowed. We're going to act a little differently, in that if you want additionalProperties code to be generated, you must specify an additionalProperties type If additionalProperties it true/false, this field will be non-nil.

func SchemaNameToTypeName 

func SchemaNameToTypeName(name string) string

SchemaNameToTypeName converts a Schema name to a valid Go type name. It converts to camel case, and makes sure the name is valid in Go

func SortedContentKeys 

func SortedContentKeys(dict openapi3.Content) []string

SortedContentKeys returns Content dictionary keys in sorted order

func SortedHeadersKeys 

func SortedHeadersKeys(dict openapi3.Headers) []string

func SortedOperationsKeys 

func SortedOperationsKeys(dict map[string]*openapi3.Operation) []string

SortedOperationsKeys returns Operation dictionary keys in sorted order

func SortedParameterKeys 

func SortedParameterKeys(dict map[string]*openapi3.ParameterRef) []string

SortedParameterKeys returns sorted keys for a ParameterRef dict

func SortedPathsKeys 

func SortedPathsKeys(dict openapi3.Paths) []string

SortedPathsKeys is the same as above, except it sorts the keys for a Paths dictionary.

func SortedRequestBodyKeys 

func SortedRequestBodyKeys(dict map[string]*openapi3.RequestBodyRef) []string

func SortedResponsesKeys 

func SortedResponsesKeys(dict openapi3.Responses) []string

SortedResponsesKeys returns Responses dictionary keys in sorted order

func SortedSchemaKeys 

func SortedSchemaKeys(dict map[string]*openapi3.SchemaRef) []string

SortedSchemaKeys returns the keys of the given SchemaRef dictionary in sorted order, since Golang scrambles dictionary keys

func SortedSecurityRequirementKeys 

func SortedSecurityRequirementKeys(sr openapi3.SecurityRequirement) []string

func SortedStringKeys 

func SortedStringKeys(dict map[string]string) []string

SortedStringKeys returns string map keys in sorted order

func StringInArray 

func StringInArray(str string, array []string) bool

StringInArray checks whether the specified string is present in an array of strings

func StringToGoComment 

func StringToGoComment(in string) string

StringToGoComment renders a possible multi-line string as a valid Go-Comment. Each line is prefixed as a comment.

func StringWithTypeNameToGoComment 

func StringWithTypeNameToGoComment(in, typeName string) string

StringWithTypeNameToGoComment renders a possible multi-line string as a valid Go-Comment, including the name of the type being referenced. Each line is prefixed as a comment.

func SwaggerUriToChiUri 

func SwaggerUriToChiUri(uri string) string

SwaggerUriToChiUri converts a swagger style path URI with parameters to a Chi compatible path URI. We need to replace all Swagger parameters with "{param}". Valid input parameters are: 

{param}
{param*}
{.param}
{.param*}
{;param}
{;param*}
{?param}
{?param*}

func SwaggerUriToEchoUri 

func SwaggerUriToEchoUri(uri string) string

SwaggerUriToEchoUri converts a OpenAPI style path URI with parameters to an Echo compatible path URI. We need to replace all of OpenAPI parameters with ":param". Valid input parameters are: 

{param}
{param*}
{.param}
{.param*}
{;param}
{;param*}
{?param}
{?param*}

func SwaggerUriToFiberUri 

func SwaggerUriToFiberUri(uri string) string

SwaggerUriToFiberUri converts a OpenAPI style path URI with parameters to a Fiber compatible path URI. We need to replace all of OpenAPI parameters with ":param". Valid input parameters are: 

{param}
{param*}
{.param}
{.param*}
{;param}
{;param*}
{?param}
{?param*}

func SwaggerUriToGinUri 

func SwaggerUriToGinUri(uri string) string

SwaggerUriToGinUri converts a swagger style path URI with parameters to a Gin compatible path URI. We need to replace all Swagger parameters with ":param". Valid input parameters are: 

{param}
{param*}
{.param}
{.param*}
{;param}
{;param*}
{?param}
{?param*}

func SwaggerUriToGorillaUri 

func SwaggerUriToGorillaUri(uri string) string

SwaggerUriToGorillaUri converts a swagger style path URI with parameters to a Gorilla compatible path URI. We need to replace all Swagger parameters with ":param". Valid input parameters are: 

{param}
{param*}
{.param}
{.param*}
{;param}
{;param*}
{?param}
{?param*}

func ToCamelCase 

func ToCamelCase(str string) string

ToCamelCase will convert query-arg style strings to CamelCase. We will use `., -, +, :, ;, _, ~, ' ', (, ), {, }, [, ]` as valid delimiters for words. So, "word.word-word+word:word;word_word~word word(word)word{word}[word]" would be converted to WordWordWordWordWordWordWordWordWordWordWordWordWord

func UppercaseFirstCharacter 

func UppercaseFirstCharacter(str string) string

UppercaseFirstCharacter Uppercases the first character in a string. This assumes UTF-8, so we have to be careful with unicode, don't treat it as a byte array.

func UppercaseFirstCharacterWithPkgName 

func UppercaseFirstCharacterWithPkgName(str string) string

Uppercase the first character in a identifier with pkg name. This assumes UTF-8, so we have to be careful with unicode, don't treat it as a byte array.

Types

type AdditionalImport 

type AdditionalImport struct {
	Alias   string `yaml:"alias,omitempty"`
	Package string `yaml:"package"`
}

type CompatibilityOptions 

type CompatibilityOptions struct {
	// In the past, we merged schemas for `allOf` by inlining each schema
	// within the schema list. This approach, though, is incorrect because
	// `allOf` merges at the schema definition level, not at the resulting model
	// level. So, new behavior merges OpenAPI specs but generates different code
	// than we have in the past. Set OldMergeSchemas to true for the old behavior.
	// Please see https://github.com/deepmap/oapi-codegen/issues/531
	OldMergeSchemas bool `yaml:"old-merge-schemas,omitempty"`
	// Enum values can generate conflicting typenames, so we've updated the
	// code for enum generation to avoid these conflicts, but it will result
	// in some enum types being renamed in existing code. Set OldEnumConflicts to true
	// to revert to old behavior. Please see:
	// Please see https://github.com/deepmap/oapi-codegen/issues/549
	OldEnumConflicts bool `yaml:"old-enum-conflicts,omitempty"`
	// It was a mistake to generate a go type definition for every $ref in
	// the OpenAPI schema. New behavior uses type aliases where possible, but
	// this can generate code which breaks existing builds. Set OldAliasing to true
	// for old behavior.
	// Please see https://github.com/deepmap/oapi-codegen/issues/549
	OldAliasing bool `yaml:"old-aliasing,omitempty"`
	// When an object contains no members, and only an additionalProperties specification,
	// it is flattened to a map. Set
	DisableFlattenAdditionalProperties bool `yaml:"disable-flatten-additional-properties,omitempty"`
	// When an object property is both required and readOnly the go model is generated
	// as a pointer. Set DisableRequiredReadOnlyAsPointer to true to mark them as non pointer.
	// Please see https://github.com/deepmap/oapi-codegen/issues/604
	DisableRequiredReadOnlyAsPointer bool `yaml:"disable-required-readonly-as-pointer,omitempty"`
	// When set to true, always prefix enum values with their type name instead of only
	// when typenames would be conflicting.
	AlwaysPrefixEnumValues bool `yaml:"always-prefix-enum-values,omitempty"`
	// Our generated code for Chi has historically inverted the order in which Chi middleware is
	// applied such that the last invoked middleware ends up executing first in the Chi chain
	// This resolves the behavior such that middlewares are chained in the order they are invoked.
	// Please see https://github.com/deepmap/oapi-codegen/issues/786
	ApplyChiMiddlewareFirstToLast bool `yaml:"apply-chi-middleware-first-to-last,omitempty"`
}

CompatibilityOptions specifies backward compatibility settings for the code generator.

type Configuration 

type Configuration struct {
	PackageName       string               `yaml:"package"` // PackageName to generate
	Generate          GenerateOptions      `yaml:"generate,omitempty"`
	Compatibility     CompatibilityOptions `yaml:"compatibility,omitempty"`
	OutputOptions     OutputOptions        `yaml:"output-options,omitempty"`
	ImportMapping     map[string]string    `yaml:"import-mapping,omitempty"` // ImportMapping specifies the golang package path for each external reference
	AdditionalImports []AdditionalImport   `yaml:"additional-imports,omitempty"`
}

Configuration defines code generation customizations

func (Configuration) UpdateDefaults 

func (o Configuration) UpdateDefaults() Configuration

UpdateDefaults sets reasonable default values for unset fields in Configuration

func (Configuration) Validate 

func (o Configuration) Validate() error

Validate checks whether Configuration represent a valid configuration

type Constants 

type Constants struct {
	// SecuritySchemeProviderNames holds all provider names for security schemes.
	SecuritySchemeProviderNames []string
	// EnumDefinitions holds type and value information for all enums
	EnumDefinitions []EnumDefinition
}

type Discriminator 

type Discriminator struct {
	// maps discriminator value to go type
	Mapping map[string]string

	// JSON property name that holds the discriminator
	Property string
}

func (*Discriminator) JSONTag 

func (d *Discriminator) JSONTag() string

func (*Discriminator) PropertyName 

func (d *Discriminator) PropertyName() string

type EnumDefinition 

type EnumDefinition struct {
	// Schema is the scheme of a type which has a list of enum values, eg, the
	// "container" of the enum.
	Schema Schema
	// TypeName is the name of the enum's type, usually aliased from something.
	TypeName string
	// ValueWrapper wraps the value. It's used to conditionally apply quotes
	// around strings.
	ValueWrapper string
	// PrefixTypeName determines if the enum value is prefixed with its TypeName.
	// This is set to true when this enum conflicts with another in terms of
	// TypeNames or when explicitly requested via the
	// `compatibility.always-prefix-enum-values` option.
	PrefixTypeName bool
}

EnumDefinition holds type information for enum

func (*EnumDefinition) GetValues 

func (e *EnumDefinition) GetValues() map[string]string

GetValues generates enum names in a way to minimize global conflicts

type FieldDescriptor 

type FieldDescriptor struct {
	Required bool   // Is the schema required? If not, we'll pass by pointer
	GoType   string // The Go type needed to represent the json type.
	GoName   string // The Go compatible type name for the type
	JsonName string // The json type name for the type
	IsRef    bool   // Is this schema a reference to predefined object?
}

type GenerateOptions 

type GenerateOptions struct {
	ChiServer     bool `yaml:"chi-server,omitempty"`     // ChiServer specifies whether to generate chi server boilerplate
	EchoServer    bool `yaml:"echo-server,omitempty"`    // EchoServer specifies whether to generate echo server boilerplate
	GinServer     bool `yaml:"gin-server,omitempty"`     // GinServer specifies whether to generate gin server boilerplate
	GorillaServer bool `yaml:"gorilla-server,omitempty"` // GorillaServer specifies whether to generate Gorilla server boilerplate
	Strict        bool `yaml:"strict-server,omitempty"`  // Strict specifies whether to generate strict server wrapper
	Client        bool `yaml:"client,omitempty"`         // Client specifies whether to generate client boilerplate
	Models        bool `yaml:"models,omitempty"`         // Models specifies whether to generate type definitions
	EmbeddedSpec  bool `yaml:"embedded-spec,omitempty"`  // Whether to embed the swagger spec in the generated code
}

GenerateOptions specifies which supported output formats to generate.

type OperationDefinition 

type OperationDefinition struct {
	OperationId string // The operation_id description from Swagger, used to generate function names

	PathParams          []ParameterDefinition // Parameters in the path, eg, /path/:param
	HeaderParams        []ParameterDefinition // Parameters in HTTP headers
	QueryParams         []ParameterDefinition // Parameters in the query, /path?param
	CookieParams        []ParameterDefinition // Parameters in cookies
	TypeDefinitions     []TypeDefinition      // These are all the types we need to define for this operation
	SecurityDefinitions []SecurityDefinition  // These are the security providers
	BodyRequired        bool
	Bodies              []RequestBodyDefinition // The list of bodies for which to generate handlers.
	Responses           []ResponseDefinition    // The list of responses that can be accepted by handlers.
	Summary             string                  // Summary string from Swagger, used to generate a comment
	Method              string                  // GET, POST, DELETE, etc.
	Path                string                  // The Swagger path for the operation, like /resource/{id}
	Spec                *openapi3.Operation
}

OperationDefinition describes an Operation

func OperationDefinitions 

func OperationDefinitions(swagger *openapi3.T) ([]OperationDefinition, error)

OperationDefinitions returns all operations for a swagger definition.

func (*OperationDefinition) AllParams 

func (o *OperationDefinition) AllParams() []ParameterDefinition

AllParams returns all parameters

func (*OperationDefinition) GetResponseTypeDefinitions 

func (o *OperationDefinition) GetResponseTypeDefinitions() ([]ResponseTypeDefinition, error)

GetResponseTypeDefinitions produces a list of type definitions for a given Operation for the response types which we know how to parse. These will be turned into fields on a response object for automatic deserialization of responses in the generated Client code. See "client-with-responses.tmpl".

func (*OperationDefinition) HasBody 

func (o *OperationDefinition) HasBody() bool

HasBody is called by the template engine to determine whether to generate body marshaling code on the client. This is true for all body types, whether we generate types for them.

func (OperationDefinition) HasMaskedRequestContentTypes 

func (o OperationDefinition) HasMaskedRequestContentTypes() bool

func (*OperationDefinition) Params 

func (o *OperationDefinition) Params() []ParameterDefinition

Params returns the list of all parameters except Path parameters. Path parameters are handled differently from the rest, since they're mandatory.

func (*OperationDefinition) RequiresParamObject 

func (o *OperationDefinition) RequiresParamObject() bool

If we have parameters other than path parameters, they're bundled into an object. Returns true if we have any of those. This is used from the template engine.

func (*OperationDefinition) SummaryAsComment 

func (o *OperationDefinition) SummaryAsComment() string

SummaryAsComment returns the Operations summary as a multi line comment

type OutputOptions 

type OutputOptions struct {
	SkipFmt       bool              `yaml:"skip-fmt,omitempty"`       // Whether to skip go imports on the generated code
	SkipPrune     bool              `yaml:"skip-prune,omitempty"`     // Whether to skip pruning unused components on the generated code
	IncludeTags   []string          `yaml:"include-tags,omitempty"`   // Only include operations that have one of these tags. Ignored when empty.
	ExcludeTags   []string          `yaml:"exclude-tags,omitempty"`   // Exclude operations that have one of these tags. Ignored when empty.
	UserTemplates map[string]string `yaml:"user-templates,omitempty"` // Override built-in templates from user-provided files

	ExcludeSchemas     []string `yaml:"exclude-schemas,omitempty"`      // Exclude from generation schemas with given names. Ignored when empty.
	ResponseTypeSuffix string   `yaml:"response-type-suffix,omitempty"` // The suffix used for responses types
	ClientTypeName     string   `yaml:"client-type-name,omitempty"`     // Override the default generated client type with the value
}

OutputOptions are used to modify the output code in some way.

type ParameterDefinition 

type ParameterDefinition struct {
	ParamName string // The original json parameter name, eg param_name
	In        string // Where the parameter is defined - path, header, cookie, query
	Required  bool   // Is this a required parameter?
	Spec      *openapi3.Parameter
	Schema    Schema
}

func DescribeParameters 

func DescribeParameters(params openapi3.Parameters, path []string) ([]ParameterDefinition, error)

DescribeParameters walks the given parameters dictionary, and generates the above descriptors into a flat list. This makes it a lot easier to traverse the data in the template engine.

func FilterParameterDefinitionByType 

func FilterParameterDefinitionByType(params []ParameterDefinition, in string) []ParameterDefinition

FilterParameterDefinitionByType returns the subset of the specified parameters which are of the specified type.

func SortParamsByPath 

func SortParamsByPath(path string, in []ParameterDefinition) ([]ParameterDefinition, error)

SortParamsByPath reorders the given parameter definitions to match those in the path URI.

func (*ParameterDefinition) Explode 

func (pd *ParameterDefinition) Explode() bool

func (ParameterDefinition) GoName 

func (pd ParameterDefinition) GoName() string

func (ParameterDefinition) GoVariableName 

func (pd ParameterDefinition) GoVariableName() string

func (ParameterDefinition) IndirectOptional 

func (pd ParameterDefinition) IndirectOptional() bool

func (*ParameterDefinition) IsJson 

func (pd *ParameterDefinition) IsJson() bool

func (*ParameterDefinition) IsPassThrough 

func (pd *ParameterDefinition) IsPassThrough() bool

func (*ParameterDefinition) IsStyled 

func (pd *ParameterDefinition) IsStyled() bool

func (*ParameterDefinition) JsonTag 

func (pd *ParameterDefinition) JsonTag() string

JsonTag generates the JSON annotation to map GoType to json type name. If Parameter Foo is marshaled to json as "foo", this will create the annotation 'json:"foo"'

func (*ParameterDefinition) Style 

func (pd *ParameterDefinition) Style() string

func (ParameterDefinition) TypeDef 

func (pd ParameterDefinition) TypeDef() string

TypeDef is here as an adapter after a large refactoring so that I don't have to update all the templates. It returns the type definition for a parameter, without the leading '*' for optional ones.

type ParameterDefinitions 

type ParameterDefinitions []ParameterDefinition

func (ParameterDefinitions) FindByName 

func (p ParameterDefinitions) FindByName(name string) *ParameterDefinition

type Property 

type Property struct {
	Description    string
	JsonFieldName  string
	Schema         Schema
	Required       bool
	Nullable       bool
	ReadOnly       bool
	WriteOnly      bool
	NeedsFormTag   bool
	ExtensionProps *openapi3.ExtensionProps
}

func (Property) GoFieldName 

func (p Property) GoFieldName() string

func (Property) GoTypeDef 

func (p Property) GoTypeDef() string

type RefWrapper 

type RefWrapper struct {
	Ref       string
	HasValue  bool
	SourceRef interface{}
}

type RequestBodyDefinition 

type RequestBodyDefinition struct {
	// Is this body required, or optional?
	Required bool

	// This is the schema describing this body
	Schema Schema

	// When we generate type names, we need a Tag for it, such as JSON, in
	// which case we will produce "JSONBody".
	NameTag string

	// This is the content type corresponding to the body, eg, application/json
	ContentType string

	// Whether this is the default body type. For an operation named OpFoo, we
	// will not add suffixes like OpFooJSONBody for this one.
	Default bool

	// Contains encoding options for formdata
	Encoding map[string]RequestBodyEncoding
}

RequestBodyDefinition describes a request body

func (RequestBodyDefinition) CustomType 

func (r RequestBodyDefinition) CustomType() bool

CustomType returns whether the body is a custom inline type, or pre-defined. This is poorly named, but it's here for compatibility reasons post-refactoring TODO: clean up the templates code, it can be simpler.

func (RequestBodyDefinition) IsFixedContentType 

func (r RequestBodyDefinition) IsFixedContentType() bool

IsFixedContentType returns true if content type has fixed content type, i.e. contains no "*" symbol

func (RequestBodyDefinition) IsSupported 

func (r RequestBodyDefinition) IsSupported() bool

IsSupported returns true if we support this content type for server. Otherwise io.Reader will be generated

func (RequestBodyDefinition) IsSupportedByClient 

func (r RequestBodyDefinition) IsSupportedByClient() bool

IsSupportedByClient returns true if we support this content type for client. Otherwise only generic method will ge generated

func (RequestBodyDefinition) Suffix 

func (r RequestBodyDefinition) Suffix() string

When we're generating multiple functions which relate to request bodies, this generates the suffix. Such as Operation DoFoo would be suffixed with DoFooWithXMLBody.

func (RequestBodyDefinition) TypeDef 

func (r RequestBodyDefinition) TypeDef(opID string) *TypeDefinition

TypeDef returns the Go type definition for a request body

type RequestBodyEncoding 

type RequestBodyEncoding struct {
	ContentType string
	Style       string
	Explode     *bool
}

type ResponseContentDefinition 

type ResponseContentDefinition struct {
	// This is the schema describing this content
	Schema Schema

	// This is the content type corresponding to the body, eg, application/json
	ContentType string

	// When we generate type names, we need a Tag for it, such as JSON, in
	// which case we will produce "Response200JSONContent".
	NameTag string
}

func (ResponseContentDefinition) HasFixedContentType 

func (r ResponseContentDefinition) HasFixedContentType() bool

HasFixedContentType returns true if content type has fixed content type, i.e. contains no "*" symbol

func (ResponseContentDefinition) IsSupported 

func (r ResponseContentDefinition) IsSupported() bool

func (ResponseContentDefinition) NameTagOrContentType 

func (r ResponseContentDefinition) NameTagOrContentType() string

func (ResponseContentDefinition) TypeDef 

func (r ResponseContentDefinition) TypeDef(opID string, statusCode int) *TypeDefinition

TypeDef returns the Go type definition for a request body

type ResponseDefinition 

type ResponseDefinition struct {
	StatusCode  string
	Description string
	Contents    []ResponseContentDefinition
	Headers     []ResponseHeaderDefinition
	Ref         string
}

func GenerateResponseDefinitions 

func GenerateResponseDefinitions(operationID string, responses openapi3.Responses) ([]ResponseDefinition, error)

func (ResponseDefinition) GoName 

func (r ResponseDefinition) GoName() string

func (ResponseDefinition) HasFixedStatusCode 

func (r ResponseDefinition) HasFixedStatusCode() bool

func (ResponseDefinition) IsRef 

func (r ResponseDefinition) IsRef() bool

type ResponseHeaderDefinition 

type ResponseHeaderDefinition struct {
	Name   string
	GoName string
	Schema Schema
}

type ResponseTypeDefinition 

type ResponseTypeDefinition struct {
	TypeDefinition
	// The content type name where this is used, eg, application/json
	ContentTypeName string

	// The type name of a response model.
	ResponseName string
}

ResponseTypeDefinition is an extension of TypeDefinition, specifically for response unmarshalling in ClientWithResponses.

type Schema 

type Schema struct {
	GoType  string // The Go type needed to represent the schema
	RefType string // If the type has a type name, this is set

	ArrayType *Schema // The schema of array element

	EnumValues map[string]string // Enum values

	Properties               []Property       // For an object, the fields with names
	HasAdditionalProperties  bool             // Whether we support additional properties
	AdditionalPropertiesType *Schema          // And if we do, their type
	AdditionalTypes          []TypeDefinition // We may need to generate auxiliary helper types, stored here

	SkipOptionalPointer bool // Some types don't need a * in front when they're optional

	Description string // The description of the element

	UnionElements []UnionElement // Possible elements of oneOf/anyOf union
	Discriminator *Discriminator // Describes which value is stored in a union

	// If this is set, the schema will declare a type via alias, eg,
	// `type Foo = bool`. If this is not set, we will define this type via
	// type definition `type Foo bool`
	DefineViaAlias bool

	// The original OpenAPIv3 Schema.
	OAPISchema *openapi3.Schema
}

Schema describes an OpenAPI schema, with lots of helper fields to use in the templating engine.

func GenerateGoSchema 

func GenerateGoSchema(sref *openapi3.SchemaRef, path []string) (Schema, error)

func MergeSchemas 

func MergeSchemas(allOf []*openapi3.SchemaRef, path []string) (Schema, error)

MergeSchemas merges all the fields in the schemas supplied into one giant schema. The idea is that we merge all fields together into one schema.

func (*Schema) AddProperty 

func (s *Schema) AddProperty(p Property) error

AddProperty adds a new property to the current Schema, and returns an error if it collides. Two identical fields will not collide, but two properties by the same name, but different definition, will collide. It's safe to merge the fields of two schemas with overalapping properties if those properties are identical.

func (Schema) GetAdditionalTypeDefs 

func (s Schema) GetAdditionalTypeDefs() []TypeDefinition

func (Schema) IsRef 

func (s Schema) IsRef() bool

func (Schema) TypeDecl 

func (s Schema) TypeDecl() string

type SchemaDescriptor 

type SchemaDescriptor struct {
	Fields                   []FieldDescriptor
	HasAdditionalProperties  bool
	AdditionalPropertiesType string
}

SchemaDescriptor describes a Schema, a type definition.

type SecurityDefinition 

type SecurityDefinition struct {
	ProviderName string
	Scopes       []string
}

func DescribeSecurityDefinition 

func DescribeSecurityDefinition(securityRequirements openapi3.SecurityRequirements) []SecurityDefinition

type TypeDefinition 

type TypeDefinition struct {
	// The name of the type, eg, type <...> Person
	TypeName string

	// The name of the corresponding JSON description, as it will sometimes
	// differ due to invalid characters.
	JsonName string

	// This is the Schema wrapper is used to populate the type description
	Schema Schema
}

TypeDefinition describes a Go type definition in generated code.

Let's use this example schema: components: 

schemas:
  Person:
    type: object
    properties:
    name:
      type: string

func GenerateParamsTypes 

func GenerateParamsTypes(op OperationDefinition) []TypeDefinition

GenerateParamsTypes defines the schema for a parameters definition object which encapsulates all the query, header and cookie parameters for an operation.

func GenerateTypeDefsForOperation 

func GenerateTypeDefsForOperation(op OperationDefinition) []TypeDefinition

func GenerateTypesForParameters 

func GenerateTypesForParameters(t *template.Template, params map[string]*openapi3.ParameterRef) ([]TypeDefinition, error)

GenerateTypesForParameters generates type definitions for any custom types defined in the components/parameters section of the Swagger spec.

func GenerateTypesForRequestBodies 

func GenerateTypesForRequestBodies(t *template.Template, bodies map[string]*openapi3.RequestBodyRef) ([]TypeDefinition, error)

GenerateTypesForRequestBodies generates type definitions for any custom types defined in the components/requestBodies section of the Swagger spec.

func GenerateTypesForResponses 

func GenerateTypesForResponses(t *template.Template, responses openapi3.Responses) ([]TypeDefinition, error)

GenerateTypesForResponses generates type definitions for any custom types defined in the components/responses section of the Swagger spec.

func GenerateTypesForSchemas 

func GenerateTypesForSchemas(t *template.Template, schemas map[string]*openapi3.SchemaRef, excludeSchemas []string) ([]TypeDefinition, error)

GenerateTypesForSchemas generates type definitions for any custom types defined in the components/schemas section of the Swagger spec.

func (*TypeDefinition) IsAlias 

func (t *TypeDefinition) IsAlias() bool

type UnionElement 

type UnionElement string

UnionElement describe union element, based on prefix externalRef\d+ and real ref name from external schema.

func (UnionElement) Method 

func (u UnionElement) Method() string

Method generate union method name for template functions `As/From/Merge`.

func (UnionElement) String 

func (u UnionElement) String() string

String returns externalRef\d+ and real ref name from external schema, like externalRef0.SomeType.

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