summaryrefslogtreecommitdiff
path: root/cc/src/winapi.rs
blob: cc83963b6be0525ef516173c2eaeba87117dbd61 (plain)
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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
// Copyright © 2015-2017 winapi-rs developers
// Licensed under the Apache License, Version 2.0
// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
// All files in the project carrying such notice may not be copied, modified, or distributed
// except according to those terms.

#![allow(bad_style)]

use std::os::raw;

pub type wchar_t = u16;

pub type UINT = raw::c_uint;
pub type LPUNKNOWN = *mut IUnknown;
pub type REFIID = *const IID;
pub type IID = GUID;
pub type REFCLSID = *const IID;
pub type PVOID = *mut raw::c_void;
pub type USHORT = raw::c_ushort;
pub type ULONG = raw::c_ulong;
pub type LONG = raw::c_long;
pub type DWORD = u32;
pub type LPVOID = *mut raw::c_void;
pub type HRESULT = raw::c_long;
pub type LPFILETIME = *mut FILETIME;
pub type BSTR = *mut OLECHAR;
pub type OLECHAR = WCHAR;
pub type WCHAR = wchar_t;
pub type LPCOLESTR = *const OLECHAR;
pub type LCID = DWORD;
pub type LPCWSTR = *const WCHAR;
pub type PULONGLONG = *mut ULONGLONG;
pub type ULONGLONG = u64;

pub const S_OK: HRESULT = 0;
pub const S_FALSE: HRESULT = 1;
pub const COINIT_MULTITHREADED: u32 = 0x0;

pub type CLSCTX = u32;

pub const CLSCTX_INPROC_SERVER: CLSCTX = 0x1;
pub const CLSCTX_INPROC_HANDLER: CLSCTX = 0x2;
pub const CLSCTX_LOCAL_SERVER: CLSCTX = 0x4;
pub const CLSCTX_REMOTE_SERVER: CLSCTX = 0x10;

pub const CLSCTX_ALL: CLSCTX =
    CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER | CLSCTX_LOCAL_SERVER | CLSCTX_REMOTE_SERVER;

#[repr(C)]
#[derive(Copy, Clone)]
pub struct GUID {
    pub Data1: raw::c_ulong,
    pub Data2: raw::c_ushort,
    pub Data3: raw::c_ushort,
    pub Data4: [raw::c_uchar; 8],
}

#[repr(C)]
#[derive(Copy, Clone)]
pub struct FILETIME {
    pub dwLowDateTime: DWORD,
    pub dwHighDateTime: DWORD,
}

pub trait Interface {
    fn uuidof() -> GUID;
}

#[link(name = "ole32")]
#[link(name = "oleaut32")]
extern "C" {}

extern "system" {
    pub fn CoInitializeEx(pvReserved: LPVOID, dwCoInit: DWORD) -> HRESULT;
    pub fn CoCreateInstance(
        rclsid: REFCLSID,
        pUnkOuter: LPUNKNOWN,
        dwClsContext: DWORD,
        riid: REFIID,
        ppv: *mut LPVOID,
    ) -> HRESULT;
    pub fn SysFreeString(bstrString: BSTR);
    pub fn SysStringLen(pbstr: BSTR) -> UINT;
}

#[repr(C)]
#[derive(Copy, Clone)]
pub struct SAFEARRAYBOUND {
    pub cElements: ULONG,
    pub lLbound: LONG,
}

#[repr(C)]
#[derive(Copy, Clone)]
pub struct SAFEARRAY {
    pub cDims: USHORT,
    pub fFeatures: USHORT,
    pub cbElements: ULONG,
    pub cLocks: ULONG,
    pub pvData: PVOID,
    pub rgsabound: [SAFEARRAYBOUND; 1],
}

pub type LPSAFEARRAY = *mut SAFEARRAY;

macro_rules! DEFINE_GUID {
    (
        $name:ident, $l:expr, $w1:expr, $w2:expr,
        $b1:expr, $b2:expr, $b3:expr, $b4:expr, $b5:expr, $b6:expr, $b7:expr, $b8:expr
    ) => {
        pub const $name: $crate::winapi::GUID = $crate::winapi::GUID {
            Data1: $l,
            Data2: $w1,
            Data3: $w2,
            Data4: [$b1, $b2, $b3, $b4, $b5, $b6, $b7, $b8],
        };
    }
}

macro_rules! RIDL {
    (#[uuid($($uuid:expr),+)]
    interface $interface:ident ($vtbl:ident) {$(
        fn $method:ident($($p:ident : $t:ty,)*) -> $rtr:ty,
    )+}) => (
        #[repr(C)]
        pub struct $vtbl {
            $(pub $method: unsafe extern "system" fn(
                This: *mut $interface,
                $($p: $t),*
            ) -> $rtr,)+
        }
        #[repr(C)]
        pub struct $interface {
            pub lpVtbl: *const $vtbl,
        }
        RIDL!{@impl $interface {$(fn $method($($p: $t,)*) -> $rtr,)+}}
        RIDL!{@uuid $interface $($uuid),+}
    );
    (#[uuid($($uuid:expr),+)]
    interface $interface:ident ($vtbl:ident) : $pinterface:ident ($pvtbl:ident) {
    }) => (
        #[repr(C)]
        pub struct $vtbl {
            pub parent: $pvtbl,
        }
        #[repr(C)]
        pub struct $interface {
            pub lpVtbl: *const $vtbl,
        }
        RIDL!{@deref $interface $pinterface}
        RIDL!{@uuid $interface $($uuid),+}
    );
    (#[uuid($($uuid:expr),+)]
    interface $interface:ident ($vtbl:ident) : $pinterface:ident ($pvtbl:ident) {$(
        fn $method:ident($($p:ident : $t:ty,)*) -> $rtr:ty,
    )+}) => (
        #[repr(C)]
        pub struct $vtbl {
            pub parent: $pvtbl,
            $(pub $method: unsafe extern "system" fn(
                This: *mut $interface,
                $($p: $t,)*
            ) -> $rtr,)+
        }
        #[repr(C)]
        pub struct $interface {
            pub lpVtbl: *const $vtbl,
        }
        RIDL!{@impl $interface {$(fn $method($($p: $t,)*) -> $rtr,)+}}
        RIDL!{@deref $interface $pinterface}
        RIDL!{@uuid $interface $($uuid),+}
    );
    (@deref $interface:ident $pinterface:ident) => (
        impl ::std::ops::Deref for $interface {
            type Target = $pinterface;
            #[inline]
            fn deref(&self) -> &$pinterface {
                unsafe { &*(self as *const $interface as *const $pinterface) }
            }
        }
    );
    (@impl $interface:ident {$(
        fn $method:ident($($p:ident : $t:ty,)*) -> $rtr:ty,
    )+}) => (
        impl $interface {
            $(#[inline] pub unsafe fn $method(&self, $($p: $t,)*) -> $rtr {
                ((*self.lpVtbl).$method)(self as *const _ as *mut _, $($p,)*)
            })+
        }
    );
    (@uuid $interface:ident
        $l:expr, $w1:expr, $w2:expr,
        $b1:expr, $b2:expr, $b3:expr, $b4:expr, $b5:expr, $b6:expr, $b7:expr, $b8:expr
    ) => (
        impl $crate::winapi::Interface for $interface {
            #[inline]
            fn uuidof() -> $crate::winapi::GUID {
                $crate::winapi::GUID {
                    Data1: $l,
                    Data2: $w1,
                    Data3: $w2,
                    Data4: [$b1, $b2, $b3, $b4, $b5, $b6, $b7, $b8],
                }
            }
        }
    );
}

RIDL!{#[uuid(0x00000000, 0x0000, 0x0000, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46)]
interface IUnknown(IUnknownVtbl) {
    fn QueryInterface(
        riid: REFIID,
        ppvObject: *mut *mut raw::c_void,
    ) -> HRESULT,
    fn AddRef() -> ULONG,
    fn Release() -> ULONG,
}}