feat: support gen http server code

.gitignore

@@ -0,0 +1 @@
+.idea

Makefile

@@ -0,0 +1,5 @@
+
+proto: ## protoc
+	protoc -I/usr/local/include -I$(GOPATH)/src/github.com/googleapis/googleapis\
+ 	--proto_path=$(GOPATH)/src:. --go_out=. --go-http_out=. --go-grpc_out=.\
+ 	 example/greeter/v1/hello.proto

README.md

@@ -1,2 +1,17 @@
 # protoc-gen-go-http
 generate go http server code via proto buffer
+
+## how to use
+
+```shell
+$ make proto
+# or
+$ protoc -I/usr/local/include -I$(GOPATH)/src/github.com/googleapis/googleapis\
+ 	--proto_path=$(GOPATH)/src:. --go_out=. --go-http_out=. --go-grpc_out=.\
+ 	 path/to/file.proto
+```
+
+## TODO
+
+- [ ] support [validate](https://github.com/envoyproxy/protoc-gen-validate)
+- [ ] gen client code.

example/greeter/greeter.go

@@ -0,0 +1,29 @@
+package greeter
+
+import (
+	"context"
+
+	"github.com/gin-gonic/gin"
+	"google.golang.org/grpc"
+
+	v1 "github.com/yusank/protoc-gen-go-http/example/greeter/v1"
+)
+
+// Greeter implement v1.HelloServer and v1.HelloHTTPHandler at same time
+type Greeter struct {
+	v1.UnimplementedHelloServer
+}
+
+func (g *Greeter) Add(ctx context.Context, in *v1.AddRequest) (*v1.AddResponse, error) {
+	panic("implement me")
+}
+
+func (g *Greeter) Get(ctx context.Context, in *v1.GetRequest) (*v1.GetResponse, error) {
+	panic("implement me")
+}
+
+func register() {
+	// can call method by rpc or http
+	v1.RegisterHelloServer(&grpc.Server{}, &Greeter{})
+	v1.RegisterHelloHTTPHandler(gin.Default().Group("/"), &Greeter{})
+}