lua_protobuf_rs/descriptor/
enum_descriptor.rs

1use crate::descriptor::enum_value_descriptor::LuaEnumValueDescriptor;
2use crate::descriptor::message_descriptor::LuaMessageDescriptor;
3use crate::descriptor_proto::enum_descriptor_proto::LuaEnumDescriptorProto;
4use derive_more::{Deref, From, Into};
5use mlua::prelude::LuaUserData;
6use mlua::{MetaMethod, UserDataMethods};
7use protobuf::reflect::EnumDescriptor;
8
9#[derive(Clone, Eq, PartialEq, Hash, Deref, From, Into)]
10pub struct LuaEnumDescriptor(pub EnumDescriptor);
11
12impl LuaUserData for LuaEnumDescriptor {
13    fn add_methods<M: UserDataMethods<Self>>(methods: &mut M) {
14        methods.add_meta_method(MetaMethod::ToString, |_, this, ()| Ok(this.to_string()));
15
16        methods.add_method("proto", |_, this, ()| {
17            Ok::<LuaEnumDescriptorProto, _>(this.proto().clone().into())
18        });
19
20        methods.add_method("name", |_, this, ()| Ok(this.name().to_string()));
21
22        methods.add_method("full_name", |_, this, ()| Ok(this.full_name().to_string()));
23
24        methods.add_method("name_to_package", |_, this, ()| {
25            Ok(this.name_to_package().to_string())
26        });
27
28        // methods.add_function("for_type", |_, ()| {
29        //     Ok(LuaEnumDescriptor(EnumDescriptor::for_type::<E>()))
30        // });
31
32        methods.add_method("enclosing_message", |_, this, ()| {
33            Ok(this.enclosing_message().map(LuaMessageDescriptor))
34        });
35
36        methods.add_method("values", |_, this, ()| {
37            let values: Vec<_> = this.values().map(LuaEnumValueDescriptor).collect();
38            Ok(values)
39        });
40
41        methods.add_method("value_by_name", |_, this, name: String| {
42            Ok(this.value_by_name(&name).map(LuaEnumValueDescriptor))
43        });
44
45        methods.add_method("value_by_number", |_, this, number: i32| {
46            Ok(this.value_by_number(number).map(LuaEnumValueDescriptor))
47        });
48
49        methods.add_method("value_by_index", |_, this, index: usize| {
50            Ok(LuaEnumValueDescriptor(this.value_by_index(index)))
51        });
52
53        methods.add_method("default_value", |_, this, ()| {
54            Ok(LuaEnumValueDescriptor(this.default_value()))
55        });
56
57        methods.add_method("value_by_number_or_default", |_, this, number: i32| {
58            Ok(LuaEnumValueDescriptor(
59                this.value_by_number_or_default(number),
60            ))
61        });
62
63        // methods.add_method("is", |_, this| {
64        //     Ok(this.is::<E>())
65        // });
66    }
67}
lua_protobuf_rs/descriptor/enum_descriptor.rs

lua_protobuf_rs/descriptor/
enum_descriptor.rs
