chore: embedding template (#2810)

cmd/protoc-gen-go-errors/errorsTemplate.tpl

@@ -0,0 +1,17 @@
+{{ range .Errors }}
+
+{{ if .HasComment }}{{ .Comment }}{{ end -}}
+func Is{{.CamelValue}}(err error) bool {
+	if err == nil {
+		return false
+	}
+	e := errors.FromError(err)
+	return e.Reason == {{ .Name }}_{{ .Value }}.String() && e.Code == {{ .HTTPCode }}
+}
+
+{{ if .HasComment }}{{ .Comment }}{{ end -}}
+func Error{{ .CamelValue }}(format string, args ...interface{}) *errors.Error {
+	 return errors.New({{ .HTTPCode }}, {{ .Name }}_{{ .Value }}.String(), fmt.Sprintf(format, args...))
+}
+
+{{- end }}

cmd/protoc-gen-go-errors/template.go

@@ -2,28 +2,12 @@ package main
 
 import (
 	"bytes"
+	_ "embed"
 	"text/template"
 )
 
-var errorsTemplate = `
+//go:embed errorsTemplate.tpl
-{{ range .Errors }}
+var errorsTemplate string
-
-{{ if .HasComment }}{{ .Comment }}{{ end -}}
-func Is{{.CamelValue}}(err error) bool {
-	if err == nil {
-		return false
-	}
-	e := errors.FromError(err)
-	return e.Reason == {{ .Name }}_{{ .Value }}.String() && e.Code == {{ .HTTPCode }} 
-}
-
-{{ if .HasComment }}{{ .Comment }}{{ end -}}
-func Error{{ .CamelValue }}(format string, args ...interface{}) *errors.Error {
-	 return errors.New({{ .HTTPCode }}, {{ .Name }}_{{ .Value }}.String(), fmt.Sprintf(format, args...))
-}
-
-{{- end }}
-`
 
 type errorInfo struct {
 	Name       string

cmd/protoc-gen-go-http/httpTemplate.tpl

@@ -0,0 +1,93 @@
+{{$svrType := .ServiceType}}
+{{$svrName := .ServiceName}}
+
+{{- range .MethodSets}}
+const Operation{{$svrType}}{{.OriginalName}} = "/{{$svrName}}/{{.OriginalName}}"
+{{- end}}
+
+type {{.ServiceType}}HTTPServer interface {
+{{- range .MethodSets}}
+	{{- if ne .Comment ""}}
+	{{.Comment}}
+	{{- end}}
+	{{.Name}}(context.Context, *{{.Request}}) (*{{.Reply}}, error)
+{{- end}}
+}
+
+func Register{{.ServiceType}}HTTPServer(s *http.Server, srv {{.ServiceType}}HTTPServer) {
+	r := s.Route("/")
+	{{- range .Methods}}
+	r.{{.Method}}("{{.Path}}", _{{$svrType}}_{{.Name}}{{.Num}}_HTTP_Handler(srv))
+	{{- end}}
+}
+
+{{range .Methods}}
+func _{{$svrType}}_{{.Name}}{{.Num}}_HTTP_Handler(srv {{$svrType}}HTTPServer) func(ctx http.Context) error {
+	return func(ctx http.Context) error {
+		var in {{.Request}}
+		{{- if .HasBody}}
+		if err := ctx.Bind(&in{{.Body}}); err != nil {
+			return err
+		}
+
+		{{- if not (eq .Body "")}}
+		if err := ctx.BindQuery(&in); err != nil {
+			return err
+		}
+		{{- end}}
+		{{- else}}
+		if err := ctx.BindQuery(&in{{.Body}}); err != nil {
+			return err
+		}
+		{{- end}}
+		{{- if .HasVars}}
+		if err := ctx.BindVars(&in); err != nil {
+			return err
+		}
+		{{- end}}
+		http.SetOperation(ctx,Operation{{$svrType}}{{.OriginalName}})
+		h := ctx.Middleware(func(ctx context.Context, req interface{}) (interface{}, error) {
+			return srv.{{.Name}}(ctx, req.(*{{.Request}}))
+		})
+		out, err := h(ctx, &in)
+		if err != nil {
+			return err
+		}
+		reply := out.(*{{.Reply}})
+		return ctx.Result(200, reply{{.ResponseBody}})
+	}
+}
+{{end}}
+
+type {{.ServiceType}}HTTPClient interface {
+{{- range .MethodSets}}
+	{{.Name}}(ctx context.Context, req *{{.Request}}, opts ...http.CallOption) (rsp *{{.Reply}}, err error)
+{{- end}}
+}
+
+type {{.ServiceType}}HTTPClientImpl struct{
+	cc *http.Client
+}
+
+func New{{.ServiceType}}HTTPClient (client *http.Client) {{.ServiceType}}HTTPClient {
+	return &{{.ServiceType}}HTTPClientImpl{client}
+}
+
+{{range .MethodSets}}
+func (c *{{$svrType}}HTTPClientImpl) {{.Name}}(ctx context.Context, in *{{.Request}}, opts ...http.CallOption) (*{{.Reply}}, error) {
+	var out {{.Reply}}
+	pattern := "{{.Path}}"
+	path := binding.EncodeURL(pattern, in, {{not .HasBody}})
+	opts = append(opts, http.Operation(Operation{{$svrType}}{{.OriginalName}}))
+	opts = append(opts, http.PathTemplate(pattern))
+	{{if .HasBody -}}
+	err := c.cc.Invoke(ctx, "{{.Method}}", path, in{{.Body}}, &out{{.ResponseBody}}, opts...)
+	{{else -}}
+	err := c.cc.Invoke(ctx, "{{.Method}}", path, nil, &out{{.ResponseBody}}, opts...)
+	{{end -}}
+	if err != nil {
+		return nil, err
+	}
+	return &out, err
+}
+{{end}}

cmd/protoc-gen-go-http/template.go

@@ -2,105 +2,13 @@ package main
 
 import (
 	"bytes"
+	_ "embed"
 	"strings"
 	"text/template"
 )
 
-var httpTemplate = `
+//go:embed httpTemplate.tpl
-{{$svrType := .ServiceType}}
+var httpTemplate string
-{{$svrName := .ServiceName}}
-
-{{- range .MethodSets}}
-const Operation{{$svrType}}{{.OriginalName}} = "/{{$svrName}}/{{.OriginalName}}"
-{{- end}}
-
-type {{.ServiceType}}HTTPServer interface {
-{{- range .MethodSets}}
-	{{- if ne .Comment ""}}
-	{{.Comment}}
-	{{- end}}
-	{{.Name}}(context.Context, *{{.Request}}) (*{{.Reply}}, error)
-{{- end}}
-}
-
-func Register{{.ServiceType}}HTTPServer(s *http.Server, srv {{.ServiceType}}HTTPServer) {
-	r := s.Route("/")
-	{{- range .Methods}}
-	r.{{.Method}}("{{.Path}}", _{{$svrType}}_{{.Name}}{{.Num}}_HTTP_Handler(srv))
-	{{- end}}
-}
-
-{{range .Methods}}
-func _{{$svrType}}_{{.Name}}{{.Num}}_HTTP_Handler(srv {{$svrType}}HTTPServer) func(ctx http.Context) error {
-	return func(ctx http.Context) error {
-		var in {{.Request}}
-		{{- if .HasBody}}
-		if err := ctx.Bind(&in{{.Body}}); err != nil {
-			return err
-		}
-		
-		{{- if not (eq .Body "")}}
-		if err := ctx.BindQuery(&in); err != nil {
-			return err
-		}
-		{{- end}}
-		{{- else}}
-		if err := ctx.BindQuery(&in{{.Body}}); err != nil {
-			return err
-		}
-		{{- end}}
-		{{- if .HasVars}}
-		if err := ctx.BindVars(&in); err != nil {
-			return err
-		}
-		{{- end}}
-		http.SetOperation(ctx,Operation{{$svrType}}{{.OriginalName}})
-		h := ctx.Middleware(func(ctx context.Context, req interface{}) (interface{}, error) {
-			return srv.{{.Name}}(ctx, req.(*{{.Request}}))
-		})
-		out, err := h(ctx, &in)
-		if err != nil {
-			return err
-		}
-		reply := out.(*{{.Reply}})
-		return ctx.Result(200, reply{{.ResponseBody}})
-	}
-}
-{{end}}
-
-type {{.ServiceType}}HTTPClient interface {
-{{- range .MethodSets}}
-	{{.Name}}(ctx context.Context, req *{{.Request}}, opts ...http.CallOption) (rsp *{{.Reply}}, err error) 
-{{- end}}
-}
-	
-type {{.ServiceType}}HTTPClientImpl struct{
-	cc *http.Client
-}
-	
-func New{{.ServiceType}}HTTPClient (client *http.Client) {{.ServiceType}}HTTPClient {
-	return &{{.ServiceType}}HTTPClientImpl{client}
-}
-
-{{range .MethodSets}}
-func (c *{{$svrType}}HTTPClientImpl) {{.Name}}(ctx context.Context, in *{{.Request}}, opts ...http.CallOption) (*{{.Reply}}, error) {
-	var out {{.Reply}}
-	pattern := "{{.Path}}"
-	path := binding.EncodeURL(pattern, in, {{not .HasBody}})
-	opts = append(opts, http.Operation(Operation{{$svrType}}{{.OriginalName}}))
-	opts = append(opts, http.PathTemplate(pattern))
-	{{if .HasBody -}}
-	err := c.cc.Invoke(ctx, "{{.Method}}", path, in{{.Body}}, &out{{.ResponseBody}}, opts...)
-	{{else -}} 
-	err := c.cc.Invoke(ctx, "{{.Method}}", path, nil, &out{{.ResponseBody}}, opts...)
-	{{end -}}
-	if err != nil {
-		return nil, err
-	}
-	return &out, err
-}
-{{end}}
-`
 
 type serviceDesc struct {
 	ServiceType string // Greeter