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package main
import (
"fmt"
"io"
"os"
"go.wit.com/log"
)
func marshal(names map[string]string) {
if argv.DryRun {
for k, v := range names {
log.Info(k, "=", v)
}
os.Exit(0)
}
w, _ := os.OpenFile(names["protobase"]+".marshal.pb.go", os.O_WRONLY|os.O_CREATE, 0600)
fmt.Fprintln(w, "package "+names["package"])
headerComment(w)
fmt.Fprintln(w, "import (")
fmt.Fprintln(w, " \"google.golang.org/protobuf/encoding/protojson\"")
fmt.Fprintln(w, " \"google.golang.org/protobuf/encoding/prototext\"")
fmt.Fprintln(w, " \"google.golang.org/protobuf/proto\"")
fmt.Fprintln(w, ")")
fmt.Fprintln(w, "")
for _, v := range marshalKeys {
log.Info("found marshal key in .proto", v)
marshalThing(w, v)
}
// marshalThing(w, names["Base"])
// marshalThing(w, names["Bases"])
for _, v := range argv.Marshal {
marshalThing(w, v)
}
}
func marshalThing(w io.Writer, thing string) {
fmt.Fprintln(w, "// human readable JSON")
fmt.Fprintln(w, "func (v *"+thing+") FormatJSON() string {")
fmt.Fprintln(w, " return protojson.Format(v)")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
fmt.Fprintln(w, "// marshal json")
fmt.Fprintln(w, "func (v *"+thing+") MarshalJSON() ([]byte, error) {")
fmt.Fprintln(w, " return protojson.Marshal(v)")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
fmt.Fprintln(w, "// unmarshal json")
fmt.Fprintln(w, "func (v *"+thing+") UnmarshalJSON(data []byte) error {")
fmt.Fprintln(w, " return protojson.Unmarshal(data, v)")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
fmt.Fprintln(w, "// apparently this isn't stable, but it's awesomely better")
fmt.Fprintln(w, "// https://protobuf.dev/reference/go/faq/#unstable-text")
fmt.Fprintln(w, "// it's so great for config files, I'm using it by default to try to fix the problems with it")
fmt.Fprintln(w, "func (v *"+thing+") FormatTEXT() string {")
fmt.Fprintln(w, " return prototext.Format(v)")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
fmt.Fprintln(w, "// unmarshalTEXT. This reads the .text config file back in after the user edits it")
fmt.Fprintln(w, "func (v *"+thing+") UnmarshalTEXT(data []byte) error {")
fmt.Fprintln(w, " return prototext.Unmarshal(data, v)")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
fmt.Fprintln(w, "// marshal to wire. This is called winning.")
fmt.Fprintln(w, "func (v *"+thing+") Marshal() ([]byte, error) {")
fmt.Fprintln(w, " return proto.Marshal(v)")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
fmt.Fprintln(w, "// unmarshal from wire. You have won.")
fmt.Fprintln(w, "func (v *"+thing+") Unmarshal(data []byte) error {")
fmt.Fprintln(w, " return proto.Unmarshal(data, v)")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
}
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