You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
go-zero/tools/goctl/rpc/goen/genpb.go

86 lines
2.1 KiB
Go

package gogen
import (
"errors"
"fmt"
"io/ioutil"
"path/filepath"
"strings"
"github.com/dsymonds/gotoc/parser"
"github.com/tal-tech/go-zero/core/lang"
"github.com/tal-tech/go-zero/tools/goctl/rpc/execx"
astParser "github.com/tal-tech/go-zero/tools/goctl/rpc/parser"
"github.com/tal-tech/go-zero/tools/goctl/util/stringx"
)
func (g *defaultRpcGenerator) genPb() error {
importPath, filename := filepath.Split(g.Ctx.ProtoFileSrc)
tree, err := parser.ParseFiles([]string{filename}, []string{importPath})
if err != nil {
return err
}
if len(tree.Files) == 0 {
return errors.New("proto ast parse failed")
}
file := tree.Files[0]
if len(file.Package) == 0 {
return errors.New("expected package, but nothing found")
}
targetStruct := make(map[string]lang.PlaceholderType)
for _, item := range file.Messages {
if len(item.Messages) > 0 {
return fmt.Errorf(`line %v: unexpected inner message near: "%v""`, item.Messages[0].Position.Line, item.Messages[0].Name)
}
name := stringx.From(item.Name)
if _, ok := targetStruct[name.Lower()]; ok {
return fmt.Errorf("line %v: duplicate %v", item.Position.Line, name)
}
targetStruct[name.Lower()] = lang.Placeholder
}
pbPath := g.dirM[dirPb]
protoFileName := filepath.Base(g.Ctx.ProtoFileSrc)
err = g.protocGenGo(pbPath)
if err != nil {
return err
}
pbGo := strings.TrimSuffix(protoFileName, ".proto") + ".pb.go"
pbFile := filepath.Join(pbPath, pbGo)
bts, err := ioutil.ReadFile(pbFile)
if err != nil {
return err
}
aspParser := astParser.NewAstParser(bts, targetStruct, g.Ctx.Console)
ast, err := aspParser.Parse()
if err != nil {
return err
}
if len(ast.Service) == 0 {
return fmt.Errorf("service not found")
}
g.ast = ast
return nil
}
func (g *defaultRpcGenerator) protocGenGo(target string) error {
src := filepath.Dir(g.Ctx.ProtoFileSrc)
sh := fmt.Sprintf(`export PATH=%s:$PATH
protoc -I=%s --go_out=plugins=grpc:%s %s`, filepath.Join(g.Ctx.GoPath, "bin"), src, target, g.Ctx.ProtoFileSrc)
stdout, err := execx.Run(sh)
if err != nil {
return err
}
g.Ctx.Info(stdout)
return nil
}