grust 0.3.2

GObjectIntrospection bindings for Rust. This is the core library providing basic functionality to all generated crates.
Documentation 
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

// This file is part of Grust, GObject introspection bindings for Rust
//
// Copyright (C) 2015  Mikhail Zabaluev <mikhail.zabaluev@gmail.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

#[macro_export]
macro_rules! g_str {
    ($lit:expr) => {
        unsafe {
            std::ffi::CStr::from_ptr(concat!($lit, "\0").as_ptr()
                                        as *const $crate::types::gchar)
        }
    }
}

#[macro_export]
macro_rules! g_utf8 {
    ($lit:expr) => {
        $crate::gstr::Utf8::from_static_str(concat!($lit, "\0"))
    }
}

#[macro_export]
macro_rules! g_error_match {
    (
        ($inp:expr) {
            ($slot:ident : $errtype:ty) => $handler:expr,
            $(($slot_tail:ident : $errtype_tail:ty) => $handler_tail:expr,)*
            other $catchall_slot:ident => $catchall_handler:expr
        }
    ) => {
        {
            let err: $crate::error::Error = $inp;
            let res: ::std::result::Result<$errtype, $crate::error::Error>
                     = err.into_domain();
            match res {
                Ok($slot) => $handler,
                Err(e) => g_error_match! {
                    (e) {
                        $(($slot_tail: $errtype_tail) => $handler_tail,)*
                        other $catchall_slot => $catchall_handler
                    }
                }
            }
        }
    };
    (
        ($inp:expr) {
            other $catchall_slot:ident => $catchall_handler:expr
        }
    ) => {
        {
            let $catchall_slot: $crate::error::Error = $inp;
            $catchall_handler
        }
    }
}

#[macro_export]
macro_rules! g_static_quark {
    ($lit:expr) => {
        {
            use $crate::quark::StaticQuark;

            static QUARK: StaticQuark =
                StaticQuark($lit, ::std::sync::atomic::ATOMIC_USIZE_INIT);

            QUARK.get()
        }
    }
}

#[macro_export]
macro_rules! g_type_register_box {
    ($t:ty, $name:expr) => {
        unsafe impl $crate::boxed::BoxRegistered for $t {
            fn box_type() -> $crate::gtype::GType {
                use ::std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT};
                use ::std::sync::atomic::Ordering::{Acquire,Release};
                use ::std::sync::{Once, ONCE_INIT};

                static REGISTERED: AtomicUsize = ATOMIC_USIZE_INIT;
                static INIT: Once = ONCE_INIT;

                INIT.call_once(|| {
                    let gtype = $crate::boxed::register_box_type::<$t>($name);
                    REGISTERED.store(gtype.to_raw() as usize, Release);
                });

                let raw = REGISTERED.load(Acquire)
                          as $crate::gtype::raw::GType;
                unsafe { $crate::gtype::GType::from_raw(raw) }
            }
        }
    }
}

#[macro_export]
macro_rules! g_impl_boxed_type_for_ref {
    ($t:ty, $get_type:path) => {
        impl $crate::boxed::BoxedType for $crate::refcount::Ref<$t> {

            fn get_type() -> $crate::gtype::GType {
                unsafe { $crate::gtype::GType::from_raw($get_type()) }
            }

            #[inline]
            unsafe fn from_ptr(ptr: $crate::types::gpointer) -> Self {
                let ptr = ptr as *mut <$t as $crate::wrap::Wrapper>::Raw;
                $crate::refcount::Ref::from_raw(ptr)
            }

            #[inline]
            unsafe fn into_ptr(self) -> $crate::types::gpointer {
                $crate::refcount::ref_into_raw(self) as $crate::types::gpointer
            }
        }
    }
}