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chore: embedding template #2810

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merged 1 commit into from
May 8, 2023
Merged

chore: embedding template #2810

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17 changes: 17 additions & 0 deletions cmd/protoc-gen-go-errors/errorsTemplate.tpl
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Original file line number Diff line number Diff line change
@@ -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 }}
22 changes: 3 additions & 19 deletions cmd/protoc-gen-go-errors/template.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,28 +2,12 @@ package main

import (
"bytes"
_ "embed"
"text/template"
)

var errorsTemplate = `
{{ 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 }}
`
//go:embed errorsTemplate.tpl
var errorsTemplate string

type errorInfo struct {
Name string
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93 changes: 93 additions & 0 deletions cmd/protoc-gen-go-http/httpTemplate.tpl
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Original file line number Diff line number Diff line change
@@ -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}}
98 changes: 3 additions & 95 deletions cmd/protoc-gen-go-http/template.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,105 +2,13 @@ package main

import (
"bytes"
_ "embed"
"strings"
"text/template"
)

var httpTemplate = `
{{$svrType := .ServiceType}}
{{$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}}
`
//go:embed httpTemplate.tpl
var httpTemplate string

type serviceDesc struct {
ServiceType string // Greeter
Expand Down