func Msgpack(file, pkg string) error {
fset, err := parse.File(file, true)
if err != nil {
return err
}
buf := bytes.NewBuffer([]byte{})
wt := iox.NewWriteTransformer(buf, func() iox.WriteTransformerFunc {
done := false
return func(s *iox.WriteTransformerState) {
if res := iox.StrictMatchFinder([]byte("package "+pkg), 0, s.Buffer); res != nil {
if done {
s.Pass(-1)
return
}
if res.Partial {
} else {
s.Drop(res.End + 1)
done = true
}
} else {
s.Drop(-1)
}
}
}())
_ = wt
prntr := gen.NewPrinter(gen.Encode|gen.Decode|gen.Marshal|gen.Unmarshal|gen.Size, buf, nil)
err = fset.PrintTo(prntr)
if err != nil {
return err
}
data := buf.Bytes()
data, err = format.Source(data)
if err != nil {
return err
}
f, err := os.OpenFile(file, os.O_APPEND|os.O_WRONLY, 0600)
if err != nil {
return err
}
defer f.Close()
_, err = io.Copy(f, bytes.NewReader(data))
if err != nil {
return err
}
return nil
}
// Run writes all methods using the associated file or path, e.g.
//
// err := msgp.Run("path/to/myfile.go", gen.Size|gen.Marshal|gen.Unmarshal|gen.Test, false)
//
func Run(gofile string, mode gen.Method, unexported bool) error {
if mode&^gen.Test == 0 {
return nil
}
fmt.Println(chalk.Magenta.Color("======== MessagePack Code Generator ======="))
fmt.Printf(chalk.Magenta.Color(">>> Input: \"%s\"...\n"), gofile)
fs, err := parse.File(gofile, unexported)
if err != nil {
return err
}
if len(fs.Identities) == 0 {
fmt.Println(chalk.Magenta.Color("No types requiring code generation were found!"))
return nil
}
return printer.PrintFile(newFilename(gofile, fs.Package), fs, mode)
}