autogenpb/parseProtoFile.go

82 lines
2.1 KiB
Go

package main
// auto run protoc with the correct args
import (
"os"
"strings"
"go.wit.com/log"
"golang.org/x/text/cases"
"golang.org/x/text/language"
)
// finds autogenpb:marshal and autogenpb:unique in the .proto file
//
// adds fields to []marshal and []unique
func findAutogenpb(names map[string]string) error {
// log.Info("starting findAutogenpb() on", names["protofile"])
// read in the .proto file
data, err := os.ReadFile(names["protofile"])
if err != nil {
// log.Info("open config file :", err)
return err
}
// look for included proto files
lines := strings.Split(string(data), "\n")
for _, line := range lines {
// log.Info("line:", line)
parts := strings.Fields(line)
if strings.Contains(line, "autogenpb:marshal") {
newm := parts[1]
// log.Info("found marshal", newm)
marshalKeys = append(marshalKeys, newm)
}
if strings.Contains(line, "autogenpb:unique") {
newu := parts[1]
newu = cases.Title(language.English, cases.NoLower).String(newu)
// log.Info("found unique field", newu)
uniqueKeys = append(uniqueKeys, newu)
}
}
return nil
}
func findGlobalAutogenpb(filename string) error {
// log.Info("starting findAutogenpb() on", filename)
// read in the .proto file
data, err := os.ReadFile(filename)
if err != nil {
// log.Info("open config file :", err)
return err
}
lines := strings.Split(string(data), "\n")
for _, line := range lines {
if strings.Contains(line, "autogenpb:ignoreproto") {
// ignore this protofile completely (don't make foo.pb.go)
os.Exit(0)
}
if strings.Contains(line, "autogenpb:no-marshal") {
// don't marshal anything (don't make foo.marshal.pb.go)
argv.NoMarshal = true
}
if strings.Contains(line, "autogenpb:no-sort") {
// don't sort anything (don't make foo.sort.pb.go)
argv.NoSort = true
}
if strings.Contains(line, "autogenpb:mutex") {
// try the mutex hack
argv.Mutex = true
}
if strings.Contains(line, "autogenpb:gover:") {
// todo: parse the output here
parts := strings.Split(line, "autogenpb:gover:")
log.Info("found gover:", parts[1])
argv.Mutex = true
}
}
return nil
}