tesseract_swift_utils/ptr/
sync.rs

1use crate::Void;
2
3#[repr(transparent)]
4#[derive(Debug)]
5pub struct SyncPtr<T>(*const T);
6
7impl<T> SyncPtr<T> {
8    pub fn new(val: T) -> Self {
9        Box::new(val).into()
10    }
11
12    pub fn raw(ptr: *const T) -> Self {
13        Self(ptr)
14    }
15
16    pub fn null() -> Self {
17        Self(std::ptr::null())
18    }
19
20    pub fn ptr(&self) -> *const T {
21        self.0
22    }
23
24    pub fn is_null(&self) -> bool {
25        self.0.is_null()
26    }
27
28    pub fn as_void(self) -> SyncPtr<Void> {
29        SyncPtr(self.0 as *const Void)
30    }
31
32    pub unsafe fn as_ref(&self) -> Option<&T> {
33        self.0.as_ref()
34    }
35
36    pub unsafe fn as_mut(&mut self) -> Option<&mut T> {
37        (self.0 as *mut T).as_mut()
38    }
39
40    pub unsafe fn take(&mut self) -> T {
41        let bx = Box::from_raw(self.0 as *mut T);
42        self.0 = std::ptr::null();
43        *bx
44    }
45}
46
47impl SyncPtr<Void> {
48    pub fn as_type<N>(self) -> SyncPtr<N> {
49        SyncPtr(self.0 as *const N)
50    }
51
52    pub unsafe fn as_typed_ref<N>(&self) -> Option<&N> {
53        (self.0 as *const N).as_ref()
54    }
55
56    pub unsafe fn as_typed_mut<N>(&mut self) -> Option<&mut N> {
57        (self.0 as *mut N).as_mut()
58    }
59
60    pub unsafe fn take_typed<N>(&mut self) -> N {
61        let bx = Box::from_raw(self.0 as *mut N);
62        self.0 = std::ptr::null();
63        *bx
64    }
65}
66
67unsafe impl<T: Send> Send for SyncPtr<T> {}
68unsafe impl<T: Sync> Sync for SyncPtr<T> {}
69
70impl<T> From<*const T> for SyncPtr<T> {
71    fn from(ptr: *const T) -> Self {
72        Self(ptr)
73    }
74}
75
76impl<T> From<&SyncPtr<T>> for *const T {
77    fn from(ptr: &SyncPtr<T>) -> Self {
78        ptr.0
79    }
80}
81
82impl<T> From<SyncPtr<T>> for *const T {
83    fn from(ptr: SyncPtr<T>) -> Self {
84        ptr.0
85    }
86}
87
88impl<T> From<*mut T> for SyncPtr<T> {
89    fn from(ptr: *mut T) -> Self {
90        Self(ptr as *const T)
91    }
92}
93
94impl<T> From<&mut SyncPtr<T>> for *mut T {
95    fn from(ptr: &mut SyncPtr<T>) -> Self {
96        ptr.0 as *mut T
97    }
98}
99
100impl<T> From<SyncPtr<T>> for *mut T {
101    fn from(ptr: SyncPtr<T>) -> Self {
102        ptr.0 as *mut T
103    }
104}
105
106impl<T> From<Box<T>> for SyncPtr<T> {
107    fn from(bx: Box<T>) -> Self {
108        Box::into_raw(bx).into()
109    }
110}
tesseract_swift_utils/ptr/sync.rs

tesseract_swift_utils/ptr/
sync.rs
