dump out all the strings in a protobuf

1 files changed, 38 insertions, 0 deletions

diff --git a/findFilename.go b/findFilename.go
index 5e81974..658e068 100644
--- a/findFilename.go
+++ b/findFilename.go
@@ -121,3 +121,41 @@ func GetString(pb proto.Message, varname string) (string, error) {
 	// 7. Convert the protoreflect.Value to a native Go string.
 	return value.String(), nil
 }
+
+func PrintStrings(pb proto.Message) {
+	// 1. Get the protoreflect.Message interface.
+	msg := pb.ProtoReflect()
+
+	// It's good practice to check if the message is valid.
+	if !msg.IsValid() {
+		fmt.Printf("Error: Provided protobuf message is not valid.")
+		return
+	}
+
+	// 2. Get the message's descriptor.
+	descriptor := msg.Descriptor()
+	fmt.Printf("--- Listing String Fields in [%s] ---\n", descriptor.FullName())
+
+	// 3. Get the collection of all field descriptors for this message.
+	fields := descriptor.Fields()
+
+	// 4. Iterate over all the fields.
+	for i := 0; i < fields.Len(); i++ {
+		// Get the descriptor for the field at the current index.
+		fieldDescriptor := fields.Get(i)
+
+		// 5. Check if the field's kind is a string.
+		if fieldDescriptor.Kind() == protoreflect.StringKind {
+			// 6. If it is a string, get its name and value.
+			fieldName := fieldDescriptor.Name()
+			value := msg.Get(fieldDescriptor).String()
+
+			// 7. Print the formatted result.
+			// We add a check to see if the field is populated. An empty string
+			// is a valid value, but you might only want to see set fields.
+			if msg.Has(fieldDescriptor) {
+				fmt.Printf("  %s: \"%s\"\n", fieldName, value)
+			}
+		}
+	}
+}