mirror of
https://github.com/beego/bee.git
synced 2024-12-22 15:10:49 +00:00
bee support generate docs from the source code
This commit is contained in:
astaxie
parent
7140e9be38
commit
fdade4356e
2
bee.go
2
bee.go
@ -81,7 +81,7 @@ var commands = []*Command{
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cmdTest,
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cmdBale,
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cmdVersion,
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//cmdReStart,
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cmdGenerate,
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}
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func main() {
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45
g.go
Normal file
45
g.go
Normal file
@ -0,0 +1,45 @@
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package main
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import "os"
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var cmdGenerate = &Command{
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UsageLine: "generate [Command]",
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Short: "generate code based on application",
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Long: `
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bee g model [modelfile] [dbconfig]
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generate model base on struct
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bee g controller [modelfile]
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generate RESTFul controllers based on modelfile
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bee g router [controllerfile]
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generate router based on controllerfile
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bee g docs
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generate swagger doc file
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bee g test [routerfile]
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generate testcase
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`,
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}
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func generateCode(cmd *Command, args []string) {
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curpath, _ := os.Getwd()
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if len(args) < 1 {
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ColorLog("[ERRO] command is missing\n")
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os.Exit(2)
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}
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gopath := os.Getenv("GOPATH")
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Debugf("gopath:%s", gopath)
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if gopath == "" {
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ColorLog("[ERRO] $GOPATH not found\n")
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ColorLog("[HINT] Set $GOPATH in your environment vairables\n")
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os.Exit(2)
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}
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gcmd := args[0]
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switch gcmd {
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case "docs":
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generateDocs(curpath)
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default:
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ColorLog("[ERRO] command is missing\n")
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}
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ColorLog("[SUCC] generate successfully created!\n")
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}
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393
g_docs.go
Normal file
393
g_docs.go
Normal file
@ -0,0 +1,393 @@
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package main
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import (
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"encoding/json"
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"errors"
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"fmt"
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"go/ast"
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"go/parser"
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"go/token"
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"os"
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"path"
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"path/filepath"
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"strconv"
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"strings"
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"github.com/astaxie/beego/swagger"
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"github.com/astaxie/beego/utils"
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)
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var globalDocsTemplate = `package docs
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import (
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"encoding/json"
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"strconv"
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"strings"
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"github.com/astaxie/beego"
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"github.com/astaxie/beego/swagger"
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)
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var rootinfo string = {{.rootinfo}}
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var subapi string = {{.subapi}}
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var rootapi swagger.ResourceListing
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var apilist map[string]*swagger.ApiDeclaration
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func init() {
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basepath := "/v1"
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err := json.Unmarshal([]byte(rootinfo), &rootapi)
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if err != nil {
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beego.Error(err)
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}
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err = json.Unmarshal([]byte(subapi), &apilist)
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if err != nil {
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beego.Error(err)
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}
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beego.Info(apilist)
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beego.GlobalDocApi["Root"] = rootapi
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for k, v := range apilist {
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for i, a := range v.Apis {
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a.Path = urlReplace(k + a.Path)
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v.Apis[i] = a
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}
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if beego.HttpAddr != "" {
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v.BasePath = beego.HttpAddr + ":" + strconv.Itoa(beego.HttpPort) + basepath
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} else {
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v.BasePath = "http://127.0.0.1:" + strconv.Itoa(beego.HttpPort) + basepath
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}
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beego.GlobalDocApi[strings.Trim(k, "/")] = v
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}
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}
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func urlReplace(src string) string {
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pt := strings.Split(src, "/")
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for i, p := range pt {
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if len(p) > 0 {
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if p[0] == ':' {
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pt[i] = "{" + p[1:] + "}"
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}
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}
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}
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return strings.Join(pt, "/")
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}
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`
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var pkgCache map[string]bool //pkg:controller:function:comments comments: key:value
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var controllerComments map[string]string
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var importlist map[string]string
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var apilist map[string]*swagger.ApiDeclaration
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var controllerList map[string][]swagger.Api
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var rootapi swagger.ResourceListing
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func init() {
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cmdGenerate.Run = generateCode
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pkgCache = make(map[string]bool)
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controllerComments = make(map[string]string)
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importlist = make(map[string]string)
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apilist = make(map[string]*swagger.ApiDeclaration)
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controllerList = make(map[string][]swagger.Api)
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}
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func generateDocs(curpath string) {
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fset := token.NewFileSet()
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f, err := parser.ParseFile(fset, path.Join(curpath, "routers", "router.go"), nil, parser.ParseComments)
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if err != nil {
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ColorLog("[ERRO] parse router.go error\n")
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os.Exit(2)
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}
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rootapi.Infos = swagger.Infomation{}
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rootapi.SwaggerVersion = swagger.SwaggerVersion
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//analysis API comments
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if f.Comments != nil {
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for _, c := range f.Comments {
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for _, s := range strings.Split(c.Text(), "\n") {
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if strings.HasPrefix(s, "@APIVersion") {
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rootapi.ApiVersion = strings.TrimLeft(s, "@APIVersion ")
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} else if strings.HasPrefix(s, "@Title") {
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rootapi.Infos.Title = strings.TrimLeft(s, "@Title ")
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} else if strings.HasPrefix(s, "@Description") {
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rootapi.Infos.Description = strings.TrimLeft(s, "@Description ")
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} else if strings.HasPrefix(s, "@TermsOfServiceUrl") {
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rootapi.Infos.TermsOfServiceUrl = strings.TrimLeft(s, "@TermsOfServiceUrl ")
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} else if strings.HasPrefix(s, "@Contact") {
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rootapi.Infos.Contact = strings.TrimLeft(s, "@Contact ")
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} else if strings.HasPrefix(s, "@License") {
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rootapi.Infos.License = strings.TrimLeft(s, "@License ")
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} else if strings.HasPrefix(s, "@LicenseUrl") {
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rootapi.Infos.LicenseUrl = strings.TrimLeft(s, "@LicenseUrl ")
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}
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}
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}
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}
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for _, im := range f.Imports {
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analisyscontrollerPkg(im.Path.Value)
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}
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for _, d := range f.Decls {
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switch specDecl := d.(type) {
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case *ast.FuncDecl:
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for _, l := range specDecl.Body.List {
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switch smtp := l.(type) {
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case *ast.AssignStmt:
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for _, l := range smtp.Rhs {
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f, params := analisysNewNamespace(l.(*ast.CallExpr))
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for _, p := range params {
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switch pp := p.(type) {
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case *ast.CallExpr:
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if selname := pp.Fun.(*ast.SelectorExpr).Sel.String(); selname == "NSNamespace" {
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s, params := analisysNewNamespace(pp)
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subapi := swagger.ApiRef{Path: s}
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controllerName := ""
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for _, sp := range params {
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switch pp := sp.(type) {
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case *ast.CallExpr:
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if pp.Fun.(*ast.SelectorExpr).Sel.String() == "NSInclude" {
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controllerName = analisysNSInclude(s, pp)
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}
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}
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}
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if v, ok := controllerComments[controllerName]; ok {
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subapi.Description = v
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}
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rootapi.Apis = append(rootapi.Apis, subapi)
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} else if selname == "NSInclude" {
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analisysNSInclude(f, pp)
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}
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}
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}
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}
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}
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}
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}
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}
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apiinfo, err := json.Marshal(rootapi)
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if err != nil {
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panic(err)
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}
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subapi, err := json.Marshal(apilist)
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if err != nil {
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panic(err)
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}
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os.Mkdir(path.Join(curpath, "docs"), 0755)
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fd, err := os.Create(path.Join(curpath, "docs", "docs.go"))
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if err != nil {
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panic(err)
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}
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defer fd.Close()
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a := strings.Replace(globalDocsTemplate, "{{.rootinfo}}", "`"+string(apiinfo)+"`", -1)
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a = strings.Replace(a, "{{.subapi}}", "`"+string(subapi)+"`", -1)
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fd.WriteString(a)
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}
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func analisysNewNamespace(ce *ast.CallExpr) (first string, others []ast.Expr) {
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for i, p := range ce.Args {
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if i == 0 {
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switch pp := p.(type) {
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case *ast.BasicLit:
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first = strings.Trim(pp.Value, `"`)
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}
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continue
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}
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others = append(others, p)
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}
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return
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}
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func analisysNSInclude(baseurl string, ce *ast.CallExpr) string {
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cname := ""
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a := &swagger.ApiDeclaration{}
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a.ApiVersion = rootapi.ApiVersion
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a.SwaggerVersion = swagger.SwaggerVersion
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a.ResourcePath = baseurl
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a.Produces = []string{"application/json", "application/xml", "text/plain", "text/html"}
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a.Apis = make([]swagger.Api, 0)
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for _, p := range ce.Args {
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x := p.(*ast.UnaryExpr).X.(*ast.CompositeLit).Type.(*ast.SelectorExpr)
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if v, ok := importlist[fmt.Sprint(x.X)]; ok {
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cname = v + x.Sel.Name
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}
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if apis, ok := controllerList[cname]; ok {
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if len(a.Apis) > 0 {
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a.Apis = append(a.Apis, apis...)
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} else {
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a.Apis = apis
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}
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}
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}
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apilist[baseurl] = a
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return cname
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}
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func analisyscontrollerPkg(pkgpath string) {
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pkgpath = strings.Trim(pkgpath, "\"")
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pps := strings.Split(pkgpath, "/")
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importlist[pps[len(pps)-1]] = pkgpath
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if pkgpath == "github.com/astaxie/beego" {
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return
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}
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gopath := os.Getenv("GOPATH")
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if gopath == "" {
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panic("please set gopath")
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}
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pkgRealpath := ""
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wgopath := filepath.SplitList(gopath)
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for _, wg := range wgopath {
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wg, _ = filepath.EvalSymlinks(filepath.Join(wg, "src", pkgpath))
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if utils.FileExists(wg) {
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pkgRealpath = wg
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break
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}
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}
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if pkgRealpath != "" {
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if _, ok := pkgCache[pkgpath]; ok {
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return
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}
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} else {
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ColorLog("[ERRO] the %s pkg not exist in gopath\n", pkgpath)
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os.Exit(1)
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}
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fileSet := token.NewFileSet()
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astPkgs, err := parser.ParseDir(fileSet, pkgRealpath, func(info os.FileInfo) bool {
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name := info.Name()
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return !info.IsDir() && !strings.HasPrefix(name, ".") && strings.HasSuffix(name, ".go")
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}, parser.ParseComments)
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if err != nil {
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ColorLog("[ERRO] the %s pkg parser.ParseDir error\n", pkgpath)
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os.Exit(1)
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}
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for _, pkg := range astPkgs {
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for _, fl := range pkg.Files {
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for _, d := range fl.Decls {
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switch specDecl := d.(type) {
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case *ast.FuncDecl:
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if specDecl.Recv != nil && len(specDecl.Recv.List) > 0 {
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if t, ok := specDecl.Recv.List[0].Type.(*ast.StarExpr); ok {
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parserComments(specDecl.Doc, specDecl.Name.String(), fmt.Sprint(t.X), pkgpath)
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}
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}
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case *ast.GenDecl:
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if specDecl.Tok.String() == "type" {
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for _, s := range specDecl.Specs {
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switch tp := s.(*ast.TypeSpec).Type.(type) {
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case *ast.StructType:
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_ = tp.Struct
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controllerComments[pkgpath+s.(*ast.TypeSpec).Name.String()] = specDecl.Doc.Text()
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}
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}
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}
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}
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}
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}
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}
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}
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// parse the func comments
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func parserComments(comments *ast.CommentGroup, funcName, controllerName, pkgpath string) error {
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innerapi := swagger.Api{}
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opts := swagger.Operation{}
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if comments != nil && comments.List != nil {
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for _, c := range comments.List {
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t := strings.TrimSpace(strings.TrimLeft(c.Text, "//"))
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if strings.HasPrefix(t, "@router") {
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elements := strings.TrimLeft(t, "@router ")
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e1 := strings.SplitN(elements, " ", 2)
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if len(e1) < 1 {
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return errors.New("you should has router infomation")
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}
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innerapi.Path = e1[0]
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if len(e1) == 2 && e1[1] != "" {
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e1 = strings.SplitN(e1[1], " ", 2)
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opts.HttpMethod = strings.ToUpper(strings.Trim(e1[0], "[]"))
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} else {
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opts.HttpMethod = "GET"
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}
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} else if strings.HasPrefix(t, "@Title") {
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opts.Nickname = strings.TrimLeft(t, "@Title ")
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} else if strings.HasPrefix(t, "@Description") {
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opts.Summary = strings.TrimLeft(t, "@Description ")
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} else if strings.HasPrefix(t, "@Success") {
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rs := swagger.ResponseMessage{}
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st := strings.Split(strings.TrimLeft(t, "@Success "), " ")
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rs.Message = st[1]
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rs.ResponseModel = st[2]
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rs.Code, _ = strconv.Atoi(st[0])
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opts.ResponseMessages = append(opts.ResponseMessages, rs)
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} else if strings.HasPrefix(t, "@Param") {
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para := swagger.Parameter{}
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p := getparams(strings.TrimSpace(strings.TrimLeft(t, "@Param ")))
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para.Name = p[0]
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para.ParamType = p[1]
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para.DataType = p[2]
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if len(p) > 4 {
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para.Required, _ = strconv.ParseBool(p[3])
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para.Description = p[4]
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} else {
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para.Description = p[3]
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}
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opts.Parameters = append(opts.Parameters, para)
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} else if strings.HasPrefix(t, "@Failure") {
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rs := swagger.ResponseMessage{}
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st := strings.TrimLeft(t, "@Failure ")
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var cd []rune
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for i, s := range st {
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if s == ' ' {
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rs.Message = st[i+1:]
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break
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}
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cd = append(cd, s)
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}
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rs.Code, _ = strconv.Atoi(string(cd))
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opts.ResponseMessages = append(opts.ResponseMessages, rs)
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} else if strings.HasPrefix(t, "@Type") {
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opts.Type = strings.TrimLeft(t, "@Type ")
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}
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}
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}
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innerapi.Operations = append(innerapi.Operations, opts)
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if innerapi.Path != "" {
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if _, ok := controllerList[pkgpath+controllerName]; ok {
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controllerList[pkgpath+controllerName] = append(controllerList[pkgpath+controllerName], innerapi)
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} else {
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controllerList[pkgpath+controllerName] = make([]swagger.Api, 1)
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controllerList[pkgpath+controllerName][0] = innerapi
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}
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}
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return nil
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}
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// analisys params return []string
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// @Param query form string true "The email for login"
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// [query form string true "The email for login"]
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func getparams(str string) []string {
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var s []byte
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var j int
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var start bool
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var r []string
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for i, c := range []byte(str) {
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if c == ' ' || c == '\t' || c == '\n' {
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if !start {
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continue
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} else {
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if j == 3 {
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r = append(r, string(s))
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r = append(r, strings.Trim((str[i+1:]), " \"\t\n"))
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break
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}
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start = false
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j++
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r = append(r, string(s))
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s = make([]byte, 0)
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continue
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}
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}
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start = true
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s = append(s, c)
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}
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return r
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}
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