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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"
)
// this parses the .proto file and handles anything with `autogenpb: `
// finds autogenpb:marshal and autogenpb:unique in the .proto file
//
// adds fields to []marshal and []unique
func (pb *Files) protoParseNew(f *File) error {
// log.Info("starting findAutogenpb() on", names["protofile"])
// read in the .proto file
data, err := os.ReadFile(f.Filename)
if err != nil {
// log.Info("open config file :", err)
return err
}
var curmsg *MsgName
// parse the proto file for message struct names
for _, line := range strings.Split(string(data), "\n") {
if strings.HasPrefix(line, "message ") {
curmsg = f.parseForMessage(line)
}
if strings.HasPrefix(line, "}") {
curmsg = nil
}
// log.Info("line:", line)
parts := strings.Fields(line)
if strings.Contains(line, "autogenpb:sort") {
if parts[0] == "repeated" {
newS := parts[1]
if curmsg == nil {
log.Info("Error: Found Sort for:", newS, "however, this struct can't be used")
} else {
log.Info("Addded Sort:", newS, "in struct", curmsg.Name)
curmsg.Sort = append(curmsg.Sort, newS)
}
} else {
log.Info("Error:", line)
log.Info("Error: can not sort on non repeated fields")
}
}
if strings.Contains(line, "autogenpb:unique") {
if parts[0] == "repeated" {
newU := parts[1]
newU = cases.Title(language.English, cases.NoLower).String(newU)
if curmsg == nil {
log.Info("Error: Found Unique for:", newU, "however, this struct can't be used")
} else {
log.Info("Added Unique:", newU, "in struct", curmsg.Name)
curmsg.Unique = append(curmsg.Unique, newU)
}
} else {
log.Info("Error:", line)
log.Info("Error: can not append on non repeated fields")
}
}
}
return nil
}
// looks for mutex and marshal entries
func (f *File) parseForMessage(line string) *MsgName {
fields := strings.Fields(line)
if fields[0] != "message" {
return nil
}
msgName := fields[1]
msg := new(MsgName)
f.MsgNames = append(f.MsgNames, msg)
msg.Name = msgName
msg.Lockname = msgName + "Mu"
if strings.Contains(line, "`autogenpb:mutex`") {
msg.DoMutex = true
log.Info("Added Mutex=true:", msg.Name)
}
if strings.Contains(line, "`autogenpb:marshal`") {
msg.DoMarshal = true
log.Info("Added Marshal=true:", msg.Name)
}
return msg
}
// this doesn't do anything anymore (?)
func (pb *Files) protoParse(f *File) error {
// log.Info("starting findAutogenpb() on", filename)
// read in the .proto file
data, err := os.ReadFile(f.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
}
}
return nil
}
|
