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service.go
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/
service.go
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package parser
import (
"errors"
"fmt"
"path/filepath"
"strings"
"github.com/emicklei/proto"
)
type (
// Services is a slice of Service.
Services []Service
// Service describes the rpc service, which is the relevant
// content after the translation of the proto file
Service struct {
*proto.Service
RPC []*RPC
}
)
func (s Services) validate(filename string, multipleOpt ...bool) error {
if len(s) == 0 {
return errors.New("rpc service not found")
}
var multiple bool
for _, c := range multipleOpt {
multiple = c
}
if !multiple && len(s) > 1 {
return errors.New("only one service expected")
}
name := filepath.Base(filename)
for _, service := range s {
for _, rpc := range service.RPC {
if strings.Contains(rpc.RequestType, ".") {
return fmt.Errorf("line %v:%v, request type must defined in %s",
rpc.Position.Line,
rpc.Position.Column, name)
}
if strings.Contains(rpc.ReturnsType, ".") {
return fmt.Errorf("line %v:%v, returns type must defined in %s",
rpc.Position.Line,
rpc.Position.Column, name)
}
}
}
return nil
}