/
main.go
81 lines (62 loc) · 1.59 KB
/
main.go
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package main
import (
"io/ioutil"
"os"
"path"
"github.com/davyxu/golog"
"github.com/davyxu/pbmeta"
pbprotos "github.com/davyxu/pbmeta/proto"
plugin "github.com/davyxu/pbmeta/proto/compiler"
"github.com/golang/protobuf/proto"
)
var log *golog.Logger = golog.New("main")
var use_hasField bool
func main() {
gen := New()
// 读取protoc请求
data, err := ioutil.ReadAll(os.Stdin)
if err != nil {
gen.Error(err, "reading input")
}
// 解析请求
if err := proto.Unmarshal(data, gen.Request); err != nil {
gen.Error(err, "parsing input proto")
}
if len(gen.Request.FileToGenerate) == 0 {
gen.Fail("no files to generate")
}
// 启用带has字段的生成
if gen.Request.GetParameter() == "use_hasfield" {
use_hasField = true
}
// 建立解析池
pool := pbmeta.NewDescriptorPool(&pbprotos.FileDescriptorSet{
File: gen.Request.ProtoFile,
})
gen.Response.File = make([]*plugin.CodeGeneratorResponse_File, 0)
for i := 0; i < pool.FileCount(); i++ {
file := pool.File(i)
gen.Reset()
printFile(gen, file)
gen.Response.File = append(gen.Response.File, &plugin.CodeGeneratorResponse_File{
Name: proto.String(csFileName(file.FileName())),
Content: proto.String(gen.String()),
})
}
// 发回处理结果
data, err = proto.Marshal(gen.Response)
if err != nil {
gen.Error(err, "failed to marshal output proto")
}
_, err = os.Stdout.Write(data)
if err != nil {
gen.Error(err, "failed to write output proto")
}
}
func csFileName(name string) string {
ext := path.Ext(name)
if ext == ".proto" {
name = name[0 : len(name)-len(ext)]
}
return name + ".cs"
}