graphviz_rust_bla/attributes/
generate.rs

1#[macro_export]
2macro_rules! as_item { ($i:item) => {$i} }
3
4#[macro_export]
5macro_rules! generate_attr {
6    (enum $name:tt ; $($values:tt),+) =>{
7         as_item! {
8             #[derive(Debug,PartialEq, IntoAttribute)]
9             pub enum $name { $($values),+ }
10         }
11         impl Display for $name {
12            fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
13                f.write_str(format!("{:?}",self).as_str())
14            }
15         }
16   };
17    (enum $name:tt for $($owners:tt),+; $($values:tt),+) =>{
18         as_item! {
19             #[derive(Debug,PartialEq, IntoAttribute)]
20             pub enum $name { $($values),+ }
21         }
22
23         $(impl $owners {
24                 pub fn $name(elem:$name) -> Attribute {
25                      elem.into_attr()
26                  }
27             }
28         )+
29
30   };
31    (enum $name:tt for $($owners:tt),+; $($values:tt),+;$default:tt ) =>{
32         as_item! {
33             #[derive(Debug,PartialEq, IntoAttribute)]
34             pub enum $name { $($values),+ }
35         }
36
37         impl Default for $name{
38             fn default() -> Self { $name::$default }
39         }
40
41         $(impl $owners{
42                 pub fn $name(elem:$name) -> Attribute {
43                      elem.into_attr()
44                  }
45             }
46         )+
47
48
49   };
50    (struct $name:tt for $($owners:tt),+; $ty:tt) =>{
51        as_item! {
52             #[derive(Debug,PartialEq, IntoAttribute)]
53             pub struct $name ($ty);
54        }
55        $(impl $owners {
56                 pub fn $name(elem:$ty) -> Attribute {
57                     $name(elem).into_attr()
58                  }
59             }
60        )+
61
62    };
63    (struct $name:tt for $($owners:tt),+; $ty:tt; $default:expr) =>{
64         as_item! {
65             #[derive(Debug,PartialEq, IntoAttribute)]
66             pub struct $name ($ty);
67         }
68        impl Default for $name{
69                 fn default() -> Self { $name($default) }
70        }
71         $(
72             impl $owners{
73                 pub fn $name(elem:$ty) -> Attribute {
74                     $name(elem).into_attr()
75                  }
76             }
77         )+
78
79   };
80}
graphviz_rust_bla/attributes/generate.rs

graphviz_rust_bla/attributes/
generate.rs
