1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164

#[macro_export]
macro_rules! def_element {
    (
        $(
            $(#[$attr:meta])*
            $name:ident {
                $(
                    $(#[$attr_method:meta])*
                    $fil:ident,
                )*
            };
         )*
        ) => {
        $(
            $crate::impl_element!(
                $(#[$attr])*
                $name {
                    $(
                        $(#[$attr_method])*
                        $fil,
                    )*
                };
            );
        )*

        /// This module contains helpers for rust analyzer autocompletion
        #[doc(hidden)]
        pub mod completions {
            /// This helper tells rust analyzer that it should autocomplete the element name with braces.
            #[allow(non_camel_case_types)]
            pub enum CompleteWithBraces {
                $(
                    $(#[$attr])*
                    $name {}
                ),*
            }
        }
    };
}

#[macro_export]
macro_rules! impl_element {
    (
        $(
            $(#[$attr:meta])*
            $name:ident {
                $(
                    $(#[$attr_method:meta])*
                    $fil:ident,
                )*
            };
         )*
    ) => {
        $(
            #[allow(non_camel_case_types)]
            $(#[$attr])*
            pub mod $name {
                #[doc(hidden)]
                pub const TAG_NAME: &'static str = stringify!($name);
                #[doc(hidden)]
                pub const NAME_SPACE: Option<&'static str> = None;

                $(
                   pub use $crate::attributes::$fil::$fil;
                )*
            }
        )*
    };
}

#[macro_export]
macro_rules! def_attribute {
    (
        $(
            $(#[$attr:meta])*
            $fil:ident,
         )*
    ) => {
        $(
            #[allow(non_camel_case_types)]
            pub mod $fil {

                #[allow(non_upper_case_globals)]
                $(#[$attr])*
                pub const $fil: (&'static str, Option<&'static str>, bool) = (stringify!($fil), None, false);
            }
        )*
    };
}

#[macro_export]
macro_rules! impl_event {
        (
            $data:ty;
            $(
                $( #[$attr:meta] )*
                $name:ident $(: $event:literal)?
            )*
        ) => {
            $(
                $( #[$attr] )*
                #[inline]
                pub fn $name<__Marker>(mut _f: impl ::dioxus_core::prelude::SuperInto<::dioxus_core::prelude::EventHandler<::dioxus_core::Event<$data>>, __Marker>) -> ::dioxus_core::Attribute {
                    // super into will make a closure that is owned by the current owner (either the child component or the parent component).
                    // We can't change that behavior in a minor version because it would cause issues with Components that accept event handlers.
                    // Instead we run super into with an owner that is moved into the listener closure so it will be dropped when the closure is dropped.
                    let owner = <::generational_box::UnsyncStorage as ::generational_box::AnyStorage>::owner();
                    let event_handler = ::dioxus_core::prelude::with_owner(owner.clone(), || _f.super_into());
                    ::dioxus_core::Attribute::new(
                        impl_event!(@name $name $($event)?),
                        ::dioxus_core::AttributeValue::listener(move |e: ::dioxus_core::Event<$crate::events::ErasedEventData>| {
                            // Force the owner to be moved into the event handler
                            _ = &owner;
                            event_handler.call(e.map(|e| e.into()));
                        }),
                        None,
                        false,
                    ).into()
                }

                #[doc(hidden)]
                $( #[$attr] )*
                pub mod $name {
                    use super::*;

                    // When expanding the macro, we use this version of the function if we see an inline closure to give better type inference
                    $( #[$attr] )*
                    pub fn call_with_explicit_closure<
                        __Marker,
                        Return: ::dioxus_core::SpawnIfAsync<__Marker> + 'static,
                    >(
                        event_handler: impl FnMut(::dioxus_core::Event<$data>) -> Return + 'static,
                    ) -> ::dioxus_core::Attribute {
                        #[allow(deprecated)]
                        super::$name(event_handler)
                    }
                }
            )*
        };

        (@name $name:ident) => {
            stringify!($name)
        };
    }

#[doc(hidden)]
#[allow(dead_code)]
pub trait EventReturn<P>: Sized {
    fn spawn(self) {}
}

impl EventReturn<()> for () {}
#[doc(hidden)]
pub struct AsyncMarker;

impl<T> EventReturn<AsyncMarker> for T
where
    T: std::future::Future<Output = ()> + 'static,
{
    #[inline]
    fn spawn(self) {
        dioxus_core::prelude::spawn(self);
    }
}