rename files

1 files changed, 83 insertions, 0 deletions

diff --git a/generateMarshal.go b/generateMarshal.go
new file mode 100644
index 0000000..9cb1a4e
--- /dev/null
+++ b/generateMarshal.go
@@ -0,0 +1,83 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"os"
+
+	"go.wit.com/log"
+)
+
+// makes Marshal and Unmarshal functions for protoWIRE protoTEXT and protoJSON
+func (pb *Files) marshal(f *File) {
+	if argv.DryRun {
+		return
+	}
+
+	w, _ := os.OpenFile(f.Filebase+".marshal.pb.go", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
+
+	headerComment(w)
+	fmt.Fprintf(w, "package %s\n", f.Package)
+	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, "")
+
+	if f.Bases.DoMarshal {
+		marshalThing(w, f.Bases.Name)
+	}
+
+	if f.Base.DoMarshal {
+		marshalThing(w, f.Base.Name)
+	}
+
+	for _, msg := range f.MsgNames {
+		if msg.DoMarshal {
+			marshalThing(w, msg.Name)
+		} else {
+			log.Info("Skipping. DoMarshal = false for", msg.Name)
+		}
+	}
+}
+
+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 brilliant for config files!")
+	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, "")
+}