graphviz_rust/attributes/
generate.rs

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1#[macro_export]
2macro_rules! as_item {
3    ($i:item) => {
4        $i
5    };
6}
7
8#[macro_export]
9macro_rules! generate_attr {
10    (enum $name:tt ; $($values:tt),+) =>{
11         as_item! {
12             #[derive(Debug,PartialEq, IntoAttribute)]
13             pub enum $name { $($values),+ }
14         }
15         impl Display for $name {
16            fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
17                f.write_str(format!("{:?}",self).as_str())
18            }
19         }
20   };
21    (enum $name:tt for $($owners:tt),+; $($values:tt),+) =>{
22         as_item! {
23             #[derive(Debug,PartialEq, IntoAttribute)]
24             pub enum $name { $($values),+ }
25         }
26
27         $(impl $owners {
28                 pub fn $name(elem:$name) -> Attribute {
29                      elem.into_attr()
30                  }
31             }
32         )+
33
34   };
35    (enum $name:tt for $($owners:tt),+; $($values:tt),+;$default:tt ) =>{
36         as_item! {
37             #[derive(Debug,PartialEq, IntoAttribute)]
38             pub enum $name { $($values),+ }
39         }
40
41         impl Default for $name{
42             fn default() -> Self { $name::$default }
43         }
44
45         $(impl $owners{
46                 pub fn $name(elem:$name) -> Attribute {
47                      elem.into_attr()
48                  }
49             }
50         )+
51
52
53   };
54    (struct $name:tt for $($owners:tt),+; $ty:tt) =>{
55        as_item! {
56             #[derive(Debug,PartialEq, IntoAttribute)]
57             pub struct $name ($ty);
58        }
59        $(impl $owners {
60                 pub fn $name(elem:$ty) -> Attribute {
61                     $name(elem).into_attr()
62                  }
63             }
64        )+
65
66    };
67    (struct $name:tt for $($owners:tt),+; $ty:tt; $default:expr) =>{
68         as_item! {
69             #[derive(Debug,PartialEq, IntoAttribute)]
70             pub struct $name ($ty);
71         }
72        impl Default for $name{
73                 fn default() -> Self { $name($default) }
74        }
75         $(
76             impl $owners{
77                 pub fn $name(elem:$ty) -> Attribute {
78                     $name(elem).into_attr()
79                  }
80             }
81         )+
82
83   };
84}
graphviz_rust/attributes/generate.rs

graphviz_rust/attributes/
generate.rs
