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package main
import (
"fmt"
"os/exec"
"github.com/go-cmd/cmd"
"github.com/google/uuid"
"go.wit.com/log"
"golang.org/x/text/cases"
"golang.org/x/text/language"
)
// This was just going to be a function to print the results to stdout
// print the protobuf in human form
func (pf *File) printMsgTable() error {
pf.Bases.printMsg()
pf.Base.printMsg()
// everything else
for _, msg := range pf.MsgNames {
msg.printMsg()
}
log.Printf("\n")
log.Printf(" %-2s %20s %20s %20s %20s\n", "", "PARENT STRUCT", "VAR STRUCT TYPE", "VAR NAME", "LOCK")
// for i, s := range slices.Backward(pf.ToSort) {
for i, s := range pf.ToSort {
var funcname string
STRUCT := s.MsgName
CHILD := s.VarType
VARNAME := s.VarName
LOCK := s.Lockname
log.Printf("SORT: %-2d %20s %20s %20s %20s %s\n", i, STRUCT, CHILD, VARNAME, LOCK, "")
var FUNCTYPE string
if STRUCT == VARNAME {
FUNCTYPE = STRUCT
} else {
FUNCTYPE = VARNAME
}
if s.VarType+"s" == s.VarName {
funcname = "func (x *" + FUNCTYPE + ") All() *[]iter" + s.VarType
} else {
funcname = "func (x *" + FUNCTYPE + ") all" + s.VarName + "() *[]iter" + s.VarType
}
log.Printf(" %-2s %20s %20s %20s %s %s\n", "", "", "", "", "", funcname)
msg := pf.findMsg(s.VarType)
if msg == nil {
return fmt.Errorf("failed to find struct %s", s.VarType)
}
for _, v := range msg.Vars {
if v.HasSort {
funcname := "func (x *" + FUNCTYPE + ") SortBy" + v.VarName + "(" + v.VarType + ") *[]iter" + s.VarType
log.Printf(" %-2s %20s %20s %20s %s %s\n", "", "", "", "", "", funcname)
}
}
var ucount int
for _, v := range msg.Vars {
if v.HasUnique {
ucount += 1
funcname := "func (x *" + FUNCTYPE + ") AppendUnique" + v.VarName + "(" + v.VarType + ")"
log.Printf(" %-2s %20s %20s %20s %s %s\n", "", "", "", "", "", funcname)
}
}
for _, v := range msg.Vars {
if v.HasUnique {
funcname := "func (x *" + FUNCTYPE + ") DeleteBy" + v.VarName + "(" + v.VarType + ") bool"
log.Printf(" %-2s %20s %20s %20s %s %s\n", "", "", "", "", "", funcname)
}
}
for _, v := range msg.Vars {
if v.HasUnique {
funcname = "func (x *" + FUNCTYPE + ") FindBy" + v.VarName + "(a " + v.VarType + ") *" + s.VarType + "(using" + v.VarName + ")"
log.Printf(" %-2s %20s %20s %20s %s %s\n", "", "", "", "", "", funcname)
} else {
if v.VarType == "string" {
funcname = "func (x *" + FUNCTYPE + ") FindBy" + v.VarName + "(a string) []*" + s.VarType + " ???"
log.Printf(" %-2s %20s %20s %20s %s %s\n", "", "", "", "", "", funcname)
}
}
}
if ucount == 1 {
for _, v := range msg.Vars {
if !v.HasUnique {
continue
}
funcname = "func (x *" + FUNCTYPE + ") Insert(a *" + v.VarType + ") (*" + CHILD + ", isNew bool)"
log.Printf(" %-2s %20s %20s %20s %s %s\n", "", "", "", "", "", funcname)
}
}
if ucount > 1 {
funcname = "func (x *" + FUNCTYPE + ") Insert(a *" + CHILD + ") (*" + CHILD + ", isNew bool)"
log.Printf(" %-2s %20s %20s %20s %s %s\n", "", "", "", "", "", funcname)
}
}
return nil
}
func (msg *MsgName) printMsg() {
var s string
if msg.DoMutex {
s += "(mutex) "
}
if msg.DoMarshal {
s += "(marshal) "
}
log.Printf("%s %s\n", msg.Name, s)
for _, v := range msg.Vars {
var end string
if v.IsRepeated {
end += "(repeated) "
}
if v.HasSort {
end += "(sort) "
}
if v.HasUnique {
end += "(unique) "
}
log.Printf("\t%s %s %s\n", v.VarName, v.VarType, end)
}
}
func checkCmd(cmd string) {
// path, err := exec.LookPath(cmd)
_, err := exec.LookPath(cmd)
if err != nil {
// fmt.Printf("\n%s is not in the PATH\n", cmd)
userInstructions()
log.Sleep(2)
} else {
// fmt.Printf("%s is available at %s\n", cmd, path)
}
}
func (pf *File) noPluralMessage() {
base := cases.Title(language.English, cases.NoLower).String(pf.Filebase)
log.Info("")
log.Info("###########################################################################")
log.Info("Your proto file", pf.Filename, "does not contain the correct 'message' definitions")
log.Info("")
log.Info("For autogenpb to work on your file", pf.Filename, ", you must have both names exactly:")
log.Info("")
log.Printf("message %s {\n", base)
log.Info("}")
log.Printf("message %s {\n", base+"s")
log.Info("}")
log.Info("")
log.Info("###########################################################################")
badExit(fmt.Errorf("proto file error %s", pf.Filename))
}
// message Fruits { // `autogenpb:marshal` `autogenpb:mutex`
// string uuid = 1; // `autogenpb:uuid:be926ad9-f07f-484c-adf2-d96eeabf3079`
// string version = 2; // `autogenpb:version:v0.0.1`
// repeated Fruit Fruits = 3; // THIS MUST BE "Fruit" and then "Fruit" + "s"
// }
func (pf *File) noUuid() {
base := cases.Title(language.English, cases.NoLower).String(pf.Filebase)
id := uuid.New()
log.Info("")
log.Info("###########################################################################")
log.Info("Your proto file", pf.Filename, "is incorrect for 'message' ", base+"s")
log.Info("")
log.Info("For autogenpb to work on your file", pf.Filename, ",", base+"s must be exactly:")
log.Info("")
log.Info("message", base+"s", "{ // `autogenpb:marshal` `autogenpb:mutex`")
log.Info(" string uuid = 1; // `autogenpb:uuid:" + id.String() + "`")
log.Info(" string version = 2; // `autogenpb:version:v0.0.1`")
log.Info(" repeated", base, base+"s", " = 3; // THIS MUST BE ", base, " and then ", base+"s")
log.Info("}")
log.Info("")
log.Info("If you don't have a UUID, you can use the randomly generated one here")
log.Info("")
log.Info("###########################################################################")
badExit(fmt.Errorf("proto file error %s", pf.Filename))
}
func userNotes(result cmd.Status) error {
log.Info("protoc failed", result.Cmd, "with", result.Exit)
for _, line := range result.Stdout {
log.Info("STDOUT:", line)
}
for _, line := range result.Stderr {
log.Info("STDERR:", line)
}
userInstructions()
return fmt.Errorf("protoc failed with %d %v", result.Exit, result.Error)
}
func userInstructions() {
log.Info("This is likely because you don't have protoc and protoc-gen-go installed")
log.Info("")
log.Info("On debian, you can:")
log.Info(" apt install protobuf-compiler # for protoc")
log.Info(" apt install protoc-gen-go # for protoc-gen-go")
log.Info("")
}
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