swag

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swag

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Swag converts Go annotations to Swagger Documentation 2.0. We've created a variety of plugins for popular Go web frameworks. This allows you to quickly integrate with an existing Go project (using Swagger UI).

Contents

Getting started

  1. Add comments to your API source code, See Declarative Comments Format.

  2. Download swag by using:

$ go get -u github.com/saefullohmaslul/rupaswag/cmd/swag

# 1.16 or newer
$ go install github.com/saefullohmaslul/rupaswag/cmd/swag@latest

To build from source you need Go (1.13 or newer).

Or download a pre-compiled binary from the release page.

  1. Run swag init in the project's root folder which contains the main.go file. This will parse your comments and generate the required files (docs folder and docs/docs.go).
$ swag init

Make sure to import the generated docs/docs.go so that your specific configuration gets init'ed. If your General API annotations do not live in main.go, you can let swag know with -g flag.

swag init -g http/api.go

swag cli

$ swag init -h
NAME:
   swag init - Create docs.go

USAGE:
   swag init [command options] [arguments...]

OPTIONS:
   --generalInfo value, -g value          Go file path in which 'swagger general API Info' is written (default: "main.go")
   --dir value, -d value                  Directory you want to parse (default: "./")
   --exclude value                        Exclude directories and files when searching, comma separated
   --propertyStrategy value, -p value     Property Naming Strategy like snakecase,camelcase,pascalcase (default: "camelcase")
   --output value, -o value               Output directory for all the generated files(swagger.json, swagger.yaml and doc.go) (default: "./docs")
   --parseVendor                          Parse go files in 'vendor' folder, disabled by default (default: false)
   --parseDependency                      Parse go files in outside dependency folder, disabled by default (default: false)
   --markdownFiles value, --md value      Parse folder containing markdown files to use as description, disabled by default
   --codeExampleFiles value, --cef value  Parse folder containing code example files to use for the x-codeSamples extension, disabled by default
   --parseInternal                        Parse go files in internal packages, disabled by default (default: false)
   --generatedTime                        Generate timestamp at the top of docs.go, disabled by default (default: false)
   --parseDepth value                     Dependency parse depth (default: 100)
   --help, -h                             show help (default: false)

Supported Web Frameworks

How to use it with Gin

Find the example source code here.

  1. After using swag init to generate Swagger 2.0 docs, import the following packages:
import "github.com/swaggo/gin-swagger" // gin-swagger middleware
import "github.com/swaggo/files" // swagger embed files
  1. Add General API annotations in main.go code:
// @title Swagger Example API
// @version 1.0
// @description This is a sample server celler server.
// @termsOfService http://swagger.io/terms/

// @contact.name API Support
// @contact.url http://www.swagger.io/support
// @contact.email support@swagger.io

// @license.name Apache 2.0
// @license.url http://www.apache.org/licenses/LICENSE-2.0.html

// @host localhost:8080
// @BasePath /api/v1
// @query.collection.format multi

// @securityDefinitions.basic BasicAuth

// @securityDefinitions.apikey ApiKeyAuth
// @in header
// @name Authorization

// @securitydefinitions.oauth2.application OAuth2Application
// @tokenUrl https://example.com/oauth/token
// @scope.write Grants write access
// @scope.admin Grants read and write access to administrative information

// @securitydefinitions.oauth2.implicit OAuth2Implicit
// @authorizationurl https://example.com/oauth/authorize
// @scope.write Grants write access
// @scope.admin Grants read and write access to administrative information

// @securitydefinitions.oauth2.password OAuth2Password
// @tokenUrl https://example.com/oauth/token
// @scope.read Grants read access
// @scope.write Grants write access
// @scope.admin Grants read and write access to administrative information

// @securitydefinitions.oauth2.accessCode OAuth2AccessCode
// @tokenUrl https://example.com/oauth/token
// @authorizationurl https://example.com/oauth/authorize
// @scope.admin Grants read and write access to administrative information

// @x-extension-openapi {"example": "value on a json format"}

func main() {
	r := gin.Default()

	c := controller.NewController()

	v1 := r.Group("/api/v1")
	{
		accounts := v1.Group("/accounts")
		{
			accounts.GET(":id", c.ShowAccount)
			accounts.GET("", c.ListAccounts)
			accounts.POST("", c.AddAccount)
			accounts.DELETE(":id", c.DeleteAccount)
			accounts.PATCH(":id", c.UpdateAccount)
			accounts.POST(":id/images", c.UploadAccountImage)
		}
    //...
	}
	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
	r.Run(":8080")
}
//...

Additionally some general API info can be set dynamically. The generated code package docs exports SwaggerInfo variable which we can use to set the title, description, version, host and base path programmatically. Example using Gin:

package main

import (
	"github.com/gin-gonic/gin"
	"github.com/swaggo/files"
	"github.com/swaggo/gin-swagger"
	
	"./docs" // docs is generated by Swag CLI, you have to import it.
)

// @contact.name API Support
// @contact.url http://www.swagger.io/support
// @contact.email support@swagger.io

// @license.name Apache 2.0
// @license.url http://www.apache.org/licenses/LICENSE-2.0.html

// @termsOfService http://swagger.io/terms/

func main() {

	// programmatically set swagger info
	docs.SwaggerInfo.Title = "Swagger Example API"
	docs.SwaggerInfo.Description = "This is a sample server Petstore server."
	docs.SwaggerInfo.Version = "1.0"
	docs.SwaggerInfo.Host = "petstore.swagger.io"
	docs.SwaggerInfo.BasePath = "/v2"
	docs.SwaggerInfo.Schemes = []string{"http", "https"}
		
	r := gin.New()

	// use ginSwagger middleware to serve the API docs
	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))

	r.Run()
}
  1. Add API Operation annotations in controller code
package controller

import (
	"fmt"
	"net/http"
	"strconv"

	"github.com/gin-gonic/gin"
	"github.com/saefullohmaslul/rupaswag/example/celler/httputil"
	"github.com/saefullohmaslul/rupaswag/example/celler/model"
)

// ShowAccount godoc
// @Summary Show a account
// @Description get string by ID
// @ID get-string-by-int
// @Accept  json
// @Produce  json
// @Param id path int true "Account ID"
// @Success 200 {object} model.Account
// @Header 200 {string} Token "qwerty"
// @Failure 400,404 {object} httputil.HTTPError
// @Failure 500 {object} httputil.HTTPError
// @Failure default {object} httputil.DefaultError
// @Router /accounts/{id} [get]
func (c *Controller) ShowAccount(ctx *gin.Context) {
	id := ctx.Param("id")
	aid, err := strconv.Atoi(id)
	if err != nil {
		httputil.NewError(ctx, http.StatusBadRequest, err)
		return
	}
	account, err := model.AccountOne(aid)
	if err != nil {
		httputil.NewError(ctx, http.StatusNotFound, err)
		return
	}
	ctx.JSON(http.StatusOK, account)
}

// ListAccounts godoc
// @Summary List accounts
// @Description get accounts
// @Accept  json
// @Produce  json
// @Param q query string false "name search by q"
// @Success 200 {array} model.Account
// @Header 200 {string} Token "qwerty"
// @Failure 400,404 {object} httputil.HTTPError
// @Failure 500 {object} httputil.HTTPError
// @Failure default {object} httputil.DefaultError
// @Router /accounts [get]
func (c *Controller) ListAccounts(ctx *gin.Context) {
	q := ctx.Request.URL.Query().Get("q")
	accounts, err := model.AccountsAll(q)
	if err != nil {
		httputil.NewError(ctx, http.StatusNotFound, err)
		return
	}
	ctx.JSON(http.StatusOK, accounts)
}

//...

$ swag init
  1. Run your app, and browse to http://localhost:8080/swagger/index.html. You will see Swagger 2.0 Api documents as shown below:

swagger_index.html

Implementation Status

Swagger 2.0 document

  • Basic Structure
  • API Host and Base Path
  • Paths and Operations
  • Describing Parameters
  • Describing Request Body
  • Describing Responses
  • MIME Types
  • Authentication
    • Basic Authentication
    • API Keys
  • Adding Examples
  • File Upload
  • Enums
  • Grouping Operations With Tags
  • Swagger Extensions

Declarative Comments Format

General API Info

Example celler/main.go

annotation description example
title Required. The title of the application. // @title Swagger Example API
version Required. Provides the version of the application API. // @version 1.0
description A short description of the application. // @description This is a sample server celler server.
tag.name Name of a tag. // @tag.name This is the name of the tag
tag.description Description of the tag // @tag.description Cool Description
tag.docs.url Url of the external Documentation of the tag // @tag.docs.url https://example.com
tag.docs.description Description of the external Documentation of the tag // @tag.docs.description Best example documentation
termsOfService The Terms of Service for the API. // @termsOfService http://swagger.io/terms/
contact.name The contact information for the exposed API. // @contact.name API Support
contact.url The URL pointing to the contact information. MUST be in the format of a URL. // @contact.url http://www.swagger.io/support
contact.email The email address of the contact person/organization. MUST be in the format of an email address. // @contact.email support@swagger.io
license.name Required. The license name used for the API. // @license.name Apache 2.0
license.url A URL to the license used for the API. MUST be in the format of a URL. // @license.url http://www.apache.org/licenses/LICENSE-2.0.html
host The host (name or ip) serving the API. // @host localhost:8080
BasePath The base path on which the API is served. // @BasePath /api/v1
query.collection.format The default collection(array) param format in query,enums:csv,multi,pipes,tsv,ssv. If not set, csv is the default. // @query.collection.format multi
schemes The transfer protocol for the operation that separated by spaces. // @schemes http https
x-name The extension key, must be start by x- and take only json value // @x-example-key {"key": "value"}
Using markdown descriptions

When a short string in your documentation is insufficient, or you need images, code examples and things like that you may want to use markdown descriptions. In order to use markdown descriptions use the following annotations.

annotation description example
title Required. The title of the application. // @title Swagger Example API
version Required. Provides the version of the application API. // @version 1.0
description.markdown A short description of the application. Parsed from the api.md file. This is an alternative to @description // @description.markdown No value needed, this parses the description from api.md
tag.name Name of a tag. // @tag.name This is the name of the tag
tag.description.markdown Description of the tag this is an alternative to tag.description. The description will be read from a file named like tagname.md // @tag.description.markdown

API Operation

Example celler/controller

annotation description
description A verbose explanation of the operation behavior.
description.markdown A short description of the application. The description will be read from a file named like endpointname.md
id A unique string used to identify the operation. Must be unique among all API operations.
tags A list of tags to each API operation that separated by commas.
summary A short summary of what the operation does.
accept A list of MIME types the APIs can consume. Value MUST be as described under Mime Types.
produce A list of MIME types the APIs can produce. Value MUST be as described under Mime Types.
param Parameters that separated by spaces. param name,param type,data type,is mandatory?,comment attribute(optional)
security Security to each API operation.
success Success response that separated by spaces. return code or default,{param type},data type,comment
failure Failure response that separated by spaces. return code or default,{param type},data type,comment
response As same as success and failure
header Header in response that separated by spaces. return code,{param type},data type,comment
router Path definition that separated by spaces. path,[httpMethod]
x-name The extension key, must be start by x- and take only json value.
x-codeSample Optional Markdown usage. take file as parameter. This will then search for a file named like the summary in the given folder.
deprecated Mark endpoint as deprecated.

Mime Types

swag accepts all MIME Types which are in the correct format, that is, match */*. Besides that, swag also accepts aliases for some MIME Types as follows:

Alias MIME Type
json application/json
xml text/xml
plain text/plain
html text/html
mpfd multipart/form-data
x-www-form-urlencoded application/x-www-form-urlencoded
json-api application/vnd.api+json
json-stream application/x-json-stream
octet-stream application/octet-stream
png image/png
jpeg image/jpeg
gif image/gif

Param Type

  • query
  • path
  • header
  • body
  • formData

Data Type

  • string (string)
  • integer (int, uint, uint32, uint64)
  • number (float32)
  • boolean (bool)
  • user defined struct

Security

annotation description parameters example
securitydefinitions.basic Basic auth. // @securityDefinitions.basic BasicAuth
securitydefinitions.apikey API key auth. in, name // @securityDefinitions.apikey ApiKeyAuth
securitydefinitions.oauth2.application OAuth2 application auth. tokenUrl, scope // @securitydefinitions.oauth2.application OAuth2Application
securitydefinitions.oauth2.implicit OAuth2 implicit auth. authorizationUrl, scope // @securitydefinitions.oauth2.implicit OAuth2Implicit
securitydefinitions.oauth2.password OAuth2 password auth. tokenUrl, scope // @securitydefinitions.oauth2.password OAuth2Password
securitydefinitions.oauth2.accessCode OAuth2 access code auth. tokenUrl, authorizationUrl, scope // @securitydefinitions.oauth2.accessCode OAuth2AccessCode
parameters annotation example
in // @in header
name // @name Authorization
tokenUrl // @tokenUrl https://example.com/oauth/token
authorizationurl // @authorizationurl https://example.com/oauth/authorize
scope.hoge // @scope.write Grants write access

Attribute

// @Param enumstring query string false "string enums" Enums(A, B, C)
// @Param enumint query int false "int enums" Enums(1, 2, 3)
// @Param enumnumber query number false "int enums" Enums(1.1, 1.2, 1.3)
// @Param string query string false "string valid" minlength(5) maxlength(10)
// @Param int query int false "int valid" minimum(1) maximum(10)
// @Param default query string false "string default" default(A)
// @Param collection query []string false "string collection" collectionFormat(multi)

It also works for the struct fields:

type Foo struct {
    Bar string `minLength:"4" maxLength:"16"`
    Baz int `minimum:"10" maximum:"20" default:"15"`
    Qux []string `enums:"foo,bar,baz"`
}
Available
Field Name Type Description
validate string Determines the validation for the parameter. Possible values are: required.
default * Declares the value of the parameter that the server will use if none is provided, for example a "count" to control the number of results per page might default to 100 if not supplied by the client in the request. (Note: "default" has no meaning for required parameters.) See https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-6.2. Unlike JSON Schema this value MUST conform to the defined type for this parameter.
maximum number See https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.1.2.
minimum number See https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.1.3.
maxLength integer See https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.2.1.
minLength integer See https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.2.2.
enums [*] See https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.5.1.
format string The extending format for the previously mentioned type. See Data Type Formats for further details.
collectionFormat string Determines the format of the array if type array is used. Possible values are:
  • csv - comma separated values foo,bar.
  • ssv - space separated values foo bar.
  • tsv - tab separated values foo\tbar.
  • pipes - pipe separated values foo|bar.
  • multi - corresponds to multiple parameter instances instead of multiple values for a single instance foo=bar&foo=baz. This is valid only for parameters in "query" or "formData".
Default value is csv.
Future
Field Name Type Description
multipleOf number See https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.1.1.
pattern string See https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.2.3.
maxItems integer See https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.3.2.
minItems integer See https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.3.3.
uniqueItems boolean See https://tools.ietf.org/html/draft-fge-json-schema-validation-00#section-5.3.4.

Examples

Descriptions over multiple lines

You can add descriptions spanning multiple lines in either the general api description or routes definitions like so:

// @description This is the first line
// @description This is the second line
// @description And so forth.
User defined structure with an array type
// @Success 200 {array} model.Account <-- This is a user defined struct.

package model

type Account struct {
    ID   int    `json:"id" example:"1"`
    Name string `json:"name" example:"account name"`
}
Model composition in response
// JSONResult's data field will be overridden by the specific type proto.Order
@success 200 {object} jsonresult.JSONResult{data=proto.Order} "desc"

type JSONResult struct {
    Code    int          `json:"code" `
    Message string       `json:"message"`
    Data    interface{}  `json:"data"`
}

type Order struct { //in `proto` package
    Id  uint            `json:"id"`
    Data  interface{}   `json:"data"`
}
  • also support array of objects and primitive types as nested response
@success 200 {object} jsonresult.JSONResult{data=[]proto.Order} "desc"
@success 200 {object} jsonresult.JSONResult{data=string} "desc"
@success 200 {object} jsonresult.JSONResult{data=[]string} "desc"
  • overriding multiple fields. field will be added if not exists
@success 200 {object} jsonresult.JSONResult{data1=string,data2=[]string,data3=proto.Order,data4=[]proto.Order} "desc"
  • overriding deep-level fields
type DeepObject struct { //in `proto` package
	...
}
@success 200 {object} jsonresult.JSONResult{data1=proto.Order{data=proto.DeepObject},data2=[]proto.Order{data=[]proto.DeepObject}} "desc"
Add a headers in response
// @Success 200 {string} string	"ok"
// @failure 400 {string} string	"error"
// @response default {string} string	"other error"
// @Header 200 {string} Location "/entity/1"
// @Header 200,400,default {string} Token "token"
// @Header all {string} Token2 "token2"
Use multiple path params
/// ...
// @Param group_id path int true "Group ID"
// @Param account_id path int true "Account ID"
// ...
// @Router /examples/groups/{group_id}/accounts/{account_id} [get]
Add multiple paths
/// ...
// @Param group_id path int true "Group ID"
// @Param user_id path int true "User ID"
// ...
// @Router /examples/groups/{group_id}/user/{user_id}/address [put]
// @Router /examples/user/{user_id}/address [put]
Example value of struct
type Account struct {
    ID   int    `json:"id" example:"1"`
    Name string `json:"name" example:"account name"`
    PhotoUrls []string `json:"photo_urls" example:"http://test/image/1.jpg,http://test/image/2.jpg"`
}
Description of struct
type Account struct {
	// ID this is userid
	ID   int    `json:"id"`
	Name string `json:"name"` // This is Name
}
Use swaggertype tag to supported custom type

#201

type TimestampTime struct {
    time.Time
}

///implement encoding.JSON.Marshaler interface
func (t *TimestampTime) MarshalJSON() ([]byte, error) {
    bin := make([]byte, 16)
    bin = strconv.AppendInt(bin[:0], t.Time.Unix(), 10)
    return bin, nil
}

func (t *TimestampTime) UnmarshalJSON(bin []byte) error {
    v, err := strconv.ParseInt(string(bin), 10, 64)
    if err != nil {
        return err
    }
    t.Time = time.Unix(v, 0)
    return nil
}
///

type Account struct {
    // Override primitive type by simply specifying it via `swaggertype` tag
    ID     sql.NullInt64 `json:"id" swaggertype:"integer"`

    // Override struct type to a primitive type 'integer' by specifying it via `swaggertype` tag
    RegisterTime TimestampTime `json:"register_time" swaggertype:"primitive,integer"`

    // Array types can be overridden using "array,<prim_type>" format
    Coeffs []big.Float `json:"coeffs" swaggertype:"array,number"`
}

#379

type CerticateKeyPair struct {
	Crt []byte `json:"crt" swaggertype:"string" format:"base64" example:"U3dhZ2dlciByb2Nrcw=="`
	Key []byte `json:"key" swaggertype:"string" format:"base64" example:"U3dhZ2dlciByb2Nrcw=="`
}

generated swagger doc as follows:

"api.MyBinding": {
  "type":"object",
  "properties":{
    "crt":{
      "type":"string",
      "format":"base64",
      "example":"U3dhZ2dlciByb2Nrcw=="
    },
    "key":{
      "type":"string",
      "format":"base64",
      "example":"U3dhZ2dlciByb2Nrcw=="
    }
  }
}
Use swaggerignore tag to exclude a field
type Account struct {
    ID   string    `json:"id"`
    Name string     `json:"name"`
    Ignored int     `swaggerignore:"true"`
}
Add extension info to struct field
type Account struct {
    ID   string    `json:"id"   extensions:"x-nullable,x-abc=def,!x-omitempty"` // extensions fields must start with "x-"
}

generate swagger doc as follows:

"Account": {
    "type": "object",
    "properties": {
        "id": {
            "type": "string",
            "x-nullable": true,
            "x-abc": "def",
            "x-omitempty": false
        }
    }
}
Rename model to display
type Resp struct {
	Code int
}//@name Response
How to using security annotations

General API info.

// @securityDefinitions.basic BasicAuth

// @securitydefinitions.oauth2.application OAuth2Application
// @tokenUrl https://example.com/oauth/token
// @scope.write Grants write access
// @scope.admin Grants read and write access to administrative information

Each API operation.

// @Security ApiKeyAuth

Make it AND condition

// @Security ApiKeyAuth
// @Security OAuth2Application[write, admin]
Add a description for enum items
type Example struct {
	// Sort order:
	// * asc - Ascending, from A to Z.
	// * desc - Descending, from Z to A.
	Order string `enums:"asc,desc"`
}

About the Project

This project was inspired by yvasiyarov/swagger but we simplified the usage and added support a variety of web frameworks. Gopher image source is tenntenn/gopher-stickers. It has licenses creative commons licensing.

Contributors

This project exists thanks to all the people who contribute. [Contribute].

Backers

Thank you to all our backers! 🙏 [Become a backer]

Sponsors

Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]

License

FOSSA Status

Documentation

Overview

Package swag converts Go annotations to Swagger Documentation 2.0. See https://github.com/saefullohmaslul/rupaswag for more information about swag.

Index

Constants

View Source 
const (
	// CamelCase indicates using CamelCase strategy for struct field.
	CamelCase = "camelcase"

	// PascalCase indicates using PascalCase strategy for struct field.
	PascalCase = "pascalcase"

	// SnakeCase indicates using SnakeCase strategy for struct field.
	SnakeCase = "snakecase"
)
View Source 
const (
	// ARRAY array.
	ARRAY = "array"
	// OBJECT object.
	OBJECT = "object"
	// PRIMITIVE primitive.
	PRIMITIVE = "primitive"
	// BOOLEAN boolean.
	BOOLEAN = "boolean"
	// INTEGER integer.
	INTEGER = "integer"
	// NUMBER number.
	NUMBER = "number"
	// STRING string.
	STRING = "string"
	// FUNC func.
	FUNC = "func"
	// ANY any
	ANY = "any"
	// NIL nil
	NIL = "nil"
)
View Source 
const Name = "swagger"

Name is a unique name be used to register swag instance.

View Source 
const Version = "v1.7.1"

Version of swag.

Variables

View Source 
var (
	// ErrRecursiveParseStruct recursively parsing struct.
	ErrRecursiveParseStruct = errors.New("recursively parsing struct")

	// ErrFuncTypeField field type is func.
	ErrFuncTypeField = errors.New("field type is func")

	// ErrFailedConvertPrimitiveType Failed to convert for swag to interpretable type.
	ErrFailedConvertPrimitiveType = errors.New("swag property: failed convert primitive type")
)

Functions

func BuildCustomSchema 

func BuildCustomSchema(types []string) (*spec.Schema, error)

BuildCustomSchema build custom schema specified by tag swaggertype.

func CheckSchemaType 

func CheckSchemaType(typeName string) error

CheckSchemaType checks if typeName is not a name of primitive type.

func IsGolangPrimitiveType 

func IsGolangPrimitiveType(typeName string) bool

IsGolangPrimitiveType determine whether the type name is a golang primitive type.

func IsNumericType 

func IsNumericType(typeName string) bool

IsNumericType determines whether the swagger type name is a numeric type.

func IsPrimitiveType 

func IsPrimitiveType(typeName string) bool

IsPrimitiveType determine whether the type name is a primitive type.

func IsSimplePrimitiveType 

func IsSimplePrimitiveType(typeName string) bool

IsSimplePrimitiveType determine whether the type name is a simple primitive type.

func PrimitiveSchema 

func PrimitiveSchema(refType string) *spec.Schema

PrimitiveSchema build a primitive schema.

func Printf 

func Printf(format string, v ...interface{})

Printf calls Output to print to the standard logger when release mode.

func Println 

func Println(v ...interface{})

Println calls Output to print to the standard logger when release mode.

func ReadDoc 

func ReadDoc() (string, error)

ReadDoc reads swagger document.

func RefSchema 

func RefSchema(refType string) *spec.Schema

RefSchema build a reference schema.

func Register 

func Register(name string, swagger Swagger)

Register registers swagger for given name.

func SetCodeExampleFilesDirectory 

func SetCodeExampleFilesDirectory(directoryPath string) func(*Operation)

SetCodeExampleFilesDirectory sets the directory to search for codeExamples.

func SetCodeExamplesDirectory 

func SetCodeExamplesDirectory(directoryPath string) func(*Parser)

SetCodeExamplesDirectory sets the directory to search for code example files.

func SetExcludedDirsAndFiles 

func SetExcludedDirsAndFiles(excludes string) func(*Parser)

SetExcludedDirsAndFiles sets directories and files to be excluded when searching.

func SetMarkdownFileDirectory 

func SetMarkdownFileDirectory(directoryPath string) func(*Parser)

SetMarkdownFileDirectory sets the directory to search for markdown files.

func SetStrict 

func SetStrict(strict bool) func(*Parser)

SetStrict sets whether swag should error or warn when it detects cases which are most likely user errors.

func TransToValidCollectionFormat 

func TransToValidCollectionFormat(format string) string

TransToValidCollectionFormat determine valid collection format.

func TransToValidSchemeType 

func TransToValidSchemeType(typeName string) string

TransToValidSchemeType indicates type will transfer golang basic type to swagger supported type.

func TypeDocName 

func TypeDocName(pkgName string, spec *ast.TypeSpec) string

TypeDocName get alias from comment '// @name ', otherwise the original type name to display in doc.

Types

type AstFileInfo 

type AstFileInfo struct {
	// File ast.File
	File *ast.File

	// Path the path of the ast.File
	Path string

	// PackagePath package import path of the ast.File
	PackagePath string
}

AstFileInfo information of an ast.File.

type Operation 

type Operation struct {
	RouterProperties []RouteProperties
	spec.Operation
	// contains filtered or unexported fields
}

Operation describes a single API operation on a path. For more information: https://github.com/saefullohmaslul/rupaswag#api-operation

func NewOperation 

func NewOperation(parser *Parser, options ...func(*Operation)) *Operation

NewOperation creates a new Operation with default properties. map[int]Response.

func (*Operation) AddResponse 

func (operation *Operation) AddResponse(code int, response *spec.Response)

AddResponse add a response for a code.

func (*Operation) DefaultResponse 

func (operation *Operation) DefaultResponse() *spec.Response

DefaultResponse return the default response member pointer.

func (*Operation) ParseAcceptComment 

func (operation *Operation) ParseAcceptComment(commentLine string) error

ParseAcceptComment parses comment for given `accept` comment string.

func (*Operation) ParseCodeSample 

func (operation *Operation) ParseCodeSample(attribute, _, lineRemainder string) error

ParseCodeSample godoc.

func (*Operation) ParseComment 

func (operation *Operation) ParseComment(comment string, astFile *ast.File) error

ParseComment parses comment for given comment string and returns error if error occurs.

func (*Operation) ParseDescriptionComment 

func (operation *Operation) ParseDescriptionComment(lineRemainder string)

ParseDescriptionComment godoc.

func (*Operation) ParseEmptyResponseComment 

func (operation *Operation) ParseEmptyResponseComment(commentLine string) error

ParseEmptyResponseComment parse only comment out status code and description,eg: @Success 200 "it's ok".

func (*Operation) ParseEmptyResponseOnly 

func (operation *Operation) ParseEmptyResponseOnly(commentLine string) error

ParseEmptyResponseOnly parse only comment out status code ,eg: @Success 200.

func (*Operation) ParseMetadata 

func (operation *Operation) ParseMetadata(attribute, lowerAttribute, lineRemainder string) error

ParseMetadata godoc.

func (*Operation) ParseParamComment 

func (operation *Operation) ParseParamComment(commentLine string, astFile *ast.File) error

ParseParamComment parses params return []string of param properties E.g. @Param queryText formData string true "The email for login" 

[param name]    [paramType] [data type]  [is mandatory?]   [Comment]

E.g. @Param some_id path int true "Some ID".

func (*Operation) ParseProduceComment 

func (operation *Operation) ParseProduceComment(commentLine string) error

ParseProduceComment parses comment for given `produce` comment string.

func (*Operation) ParseResponseComment 

func (operation *Operation) ParseResponseComment(commentLine string, astFile *ast.File) error

ParseResponseComment parses comment for given `response` comment string.

func (*Operation) ParseResponseHeaderComment 

func (operation *Operation) ParseResponseHeaderComment(commentLine string, _ *ast.File) error

ParseResponseHeaderComment parses comment for given `response header` comment string.

func (*Operation) ParseRouterComment 

func (operation *Operation) ParseRouterComment(commentLine string) error

ParseRouterComment parses comment for gived `router` comment string.

func (*Operation) ParseSecurityComment 

func (operation *Operation) ParseSecurityComment(commentLine string) error

ParseSecurityComment parses comment for gived `security` comment string.

func (*Operation) ParseTagsComment 

func (operation *Operation) ParseTagsComment(commentLine string)

ParseTagsComment parses comment for given `tag` comment string.

type PackageDefinitions 

type PackageDefinitions struct {
	// package name
	Name string

	// files in this package, map key is file's relative path starting package path
	Files map[string]*ast.File

	// definitions in this package, map key is typeName
	TypeDefinitions map[string]*TypeSpecDef
}

PackageDefinitions files and definition in a package.

type PackagesDefinitions 

type PackagesDefinitions struct {
	// contains filtered or unexported fields
}

PackagesDefinitions map[package import path]*PackageDefinitions.

func NewPackagesDefinitions 

func NewPackagesDefinitions() *PackagesDefinitions

NewPackagesDefinitions create object PackagesDefinitions.

func (*PackagesDefinitions) CollectAstFile 

func (pkgs *PackagesDefinitions) CollectAstFile(packageDir, path string, astFile *ast.File) error

CollectAstFile collect ast.file.

func (*PackagesDefinitions) FindTypeSpec 

func (pkgs *PackagesDefinitions) FindTypeSpec(typeName string, file *ast.File) *TypeSpecDef

FindTypeSpec finds out TypeSpecDef of a type by typeName @typeName the name of the target type, if it starts with a package name, find its own package path from imports on top of @file @file the ast.file in which @typeName is used @pkgPath the package path of @file.

func (*PackagesDefinitions) ParseTypes 

func (pkgs *PackagesDefinitions) ParseTypes() (map[*TypeSpecDef]*Schema, error)

ParseTypes parse types @Return parsed definitions.

func (*PackagesDefinitions) RangeFiles 

func (pkgs *PackagesDefinitions) RangeFiles(handle func(filename string, file *ast.File) error) error

RangeFiles for range the collection of ast.File in alphabetic order.

type Parser 

type Parser struct {

	// PropNamingStrategy naming strategy
	PropNamingStrategy string

	// ParseVendor parse vendor folder
	ParseVendor bool

	// ParseDependencies whether swag should be parse outside dependency folder
	ParseDependency bool

	// ParseInternal whether swag should parse internal packages
	ParseInternal bool

	// Strict whether swag should error or warn when it detects cases which are most likely user errors
	Strict bool
	// contains filtered or unexported fields
}

Parser implements a parser for Go source files.

func New 

func New(options ...func(*Parser)) *Parser

New creates a new Parser with default properties.

func (*Parser) GetSchemaTypePath 

func (parser *Parser) GetSchemaTypePath(schema *spec.Schema, depth int) []string

GetSchemaTypePath get path of schema type.

func (*Parser) GetSwagger 

func (parser *Parser) GetSwagger() *spec.Swagger

GetSwagger returns *spec.Swagger which is the root document object for the API specification.

func (*Parser) ParseAPI 

func (parser *Parser) ParseAPI(searchDir string, mainAPIFile string, parseDepth int) error

ParseAPI parses general api info for given searchDir and mainAPIFile.

func (*Parser) ParseAPIMultiSearchDir 

func (parser *Parser) ParseAPIMultiSearchDir(searchDirs []string, mainAPIFile string, parseDepth int) error

ParseAPIMultiSearchDir is like ParseAPI but for multiple search dirs.

func (*Parser) ParseDefinition 

func (parser *Parser) ParseDefinition(typeSpecDef *TypeSpecDef) (*Schema, error)

ParseDefinition parses given type spec that corresponds to the type under given name and package, and populates swagger schema definitions registry with a schema for the given type

func (*Parser) ParseGeneralAPIInfo 

func (parser *Parser) ParseGeneralAPIInfo(mainAPIFile string) error

ParseGeneralAPIInfo parses general api info for given mainAPIFile path.

func (*Parser) ParseRouterAPIInfo 

func (parser *Parser) ParseRouterAPIInfo(fileName string, astFile *ast.File) error

ParseRouterAPIInfo parses router api info for given astFile.

func (*Parser) Skip 

func (parser *Parser) Skip(path string, f os.FileInfo) error

Skip returns filepath.SkipDir error if match vendor and hidden folder.

type RouteProperties 

type RouteProperties struct {
	HTTPMethod string
	Path       string
}

RouteProperties describes HTTP properties of a single router comment.

type Schema 

type Schema struct {
	PkgPath      string // package import path used to rename Name of a definition int case of conflict
	Name         string // Name in definitions
	*spec.Schema        //
}

Schema parsed schema.

type Swagger 

type Swagger interface {
	ReadDoc() string
}

Swagger is a interface to read swagger document.

type TypeSpecDef 

type TypeSpecDef struct {
	// path of package starting from under ${GOPATH}/src or from module path in go.mod
	PkgPath string

	// ast file where TypeSpec is
	File *ast.File

	// the TypeSpec of this type definition
	TypeSpec *ast.TypeSpec
}

TypeSpecDef the whole information of a typeSpec.

func (*TypeSpecDef) FullName 

func (t *TypeSpecDef) FullName() string

FullName full name of the typeSpec.

func (*TypeSpecDef) Name 

func (t *TypeSpecDef) Name() string

Name the name of the typeSpec.

Source Files

View all Source files

Directories

Path Synopsis
cmd
rupaswag
example
basic
basic/api
basic/docs
basic/web

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