136 lines
3.5 KiB
Go
136 lines
3.5 KiB
Go
package main
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// auto run protoc with the correct args
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import (
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"os"
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"strings"
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"go.wit.com/log"
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"golang.org/x/text/cases"
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"golang.org/x/text/language"
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)
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// this parses the .proto file and handles anything with `autogenpb: `
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// finds autogenpb:marshal and autogenpb:unique in the .proto file
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//
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// adds fields to []marshal and []unique
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func (pb *Files) protoParseNew(f *File) error {
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// log.Info("starting findAutogenpb() on", names["protofile"])
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// read in the .proto file
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data, err := os.ReadFile(f.Filename)
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if err != nil {
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// log.Info("open config file :", err)
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return err
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}
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var curmsg *MsgName
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// parse the proto file for message struct names
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for _, line := range strings.Split(string(data), "\n") {
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if strings.HasPrefix(line, "message ") {
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curmsg = f.parseForMessage(line)
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}
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if strings.HasPrefix(line, "}") {
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curmsg = nil
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}
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// log.Info("line:", line)
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parts := strings.Fields(line)
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if strings.Contains(line, "autogenpb:sort") {
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if parts[0] == "repeated" {
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newS := parts[1]
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if curmsg == nil {
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log.Info("Error: Found Sort for:", newS, "however, this struct can't be used")
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} else {
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log.Info("Addded Sort:", newS, "in struct", curmsg.Name)
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curmsg.Sort = append(curmsg.Sort, newS)
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}
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} else {
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log.Info("Error:", line)
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log.Info("Error: can not sort on non repeated fields")
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}
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}
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if strings.Contains(line, "autogenpb:unique") {
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if parts[0] == "repeated" {
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newU := parts[1]
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newU = cases.Title(language.English, cases.NoLower).String(newU)
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if curmsg == nil {
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log.Info("Error: Found Unique for:", newU, "however, this struct can't be used")
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} else {
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log.Info("Added Unique:", newU, "in struct", curmsg.Name)
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curmsg.Unique = append(curmsg.Unique, newU)
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}
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} else {
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log.Info("Error:", line)
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log.Info("Error: can not append on non repeated fields")
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}
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}
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}
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return nil
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}
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// looks for mutex and marshal entries
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func (f *File) parseForMessage(line string) *MsgName {
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fields := strings.Fields(line)
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if fields[0] != "message" {
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return nil
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}
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msgName := fields[1]
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msg := new(MsgName)
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f.MsgNames = append(f.MsgNames, msg)
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msg.Name = msgName
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msg.Lockname = msgName + "Mu"
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if strings.Contains(line, "`autogenpb:mutex`") {
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msg.DoMutex = true
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log.Info("Added Mutex=true:", msg.Name)
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}
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if strings.Contains(line, "`autogenpb:marshal`") {
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msg.DoMarshal = true
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log.Info("Added Marshal=true:", msg.Name)
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}
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return msg
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}
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// this doesn't do anything anymore (?)
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func (pb *Files) protoParse(f *File) error {
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// log.Info("starting findAutogenpb() on", filename)
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// read in the .proto file
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data, err := os.ReadFile(f.Filename)
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if err != nil {
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// log.Info("open config file :", err)
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return err
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}
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lines := strings.Split(string(data), "\n")
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for _, line := range lines {
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if strings.Contains(line, "autogenpb:ignoreproto") {
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// ignore this protofile completely (don't make foo.pb.go)
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os.Exit(0)
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}
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if strings.Contains(line, "autogenpb:no-marshal") {
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// don't marshal anything (don't make foo.marshal.pb.go)
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argv.NoMarshal = true
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}
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if strings.Contains(line, "autogenpb:no-sort") {
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// don't sort anything (don't make foo.sort.pb.go)
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argv.NoSort = true
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}
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if strings.Contains(line, "autogenpb:mutex") {
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// try the mutex hack
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argv.Mutex = true
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}
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if strings.Contains(line, "autogenpb:gover:") {
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// todo: parse the output here
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parts := strings.Split(line, "autogenpb:gover:")
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log.Info("found gover:", parts[1])
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argv.Mutex = true
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}
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}
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return nil
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}
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