normpath 1.5.0

More reliable path manipulation
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
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

//! Implementations copied and modified from Fruity.
//!
//! Sources:
//! - <https://github.com/nvzqz/fruity/tree/c1d067e8ec03e20bb6f52f7c3ab63cadd2a2b261>
//!
//! Copyrights:
//! - Copyright (c) 2020 Nikolai Vazquez<br>
//!   <https://github.com/nvzqz/fruity/blob/c1d067e8ec03e20bb6f52f7c3ab63cadd2a2b261/LICENSE-MIT#L3>
//! - Modifications copyright (c) 2020 dylni (<https://github.com/dylni>)<br>
//!   <https://github.com/dylni/normpath/blob/master/COPYRIGHT>

use std::os::raw::c_char;

macro_rules! __stringify_sel {
    ( $name:ident ) => {
        ::std::stringify!($name)
    };
    ( $($name:ident :)+ ) => {
        ::std::concat!($(::std::stringify!($name), ":"),+)
    };
}

macro_rules! selector {
    ( $($token:tt)* ) => {{
        let sel: *const _ = ::std::concat!(__stringify_sel!($($token)*), "\0");
        unsafe {
            $crate::localize::macos::fruity::sel_registerName(sel.cast())
        }
    }};
}

#[link(name = "Foundation", kind = "framework")]
extern "C" {}

extern "C" {
    pub(super) fn sel_registerName(name: *const c_char) -> objc::SEL;
}

pub(super) mod objc {
    use std::cell::UnsafeCell;
    use std::ops::Deref;
    use std::os::raw::c_char;
    use std::os::raw::c_void;
    use std::ptr::NonNull;

    #[expect(clippy::upper_case_acronyms)]
    pub(super) type BOOL = c_char;

    #[expect(clippy::upper_case_acronyms)]
    pub(super) const NO: BOOL = 0;

    pub(in super::super) type NSUInteger = usize;

    #[expect(clippy::upper_case_acronyms)]
    #[repr(transparent)]
    pub(in super::super) struct SEL(NonNull<c_void>);

    #[repr(C)]
    pub(in super::super) struct Object(UnsafeCell<[u8; 0]>);

    #[repr(C)]
    pub(in super::super) struct Class(Object);

    impl Class {
        pub(super) fn alloc(&self) -> NSObject {
            extern "C" {
                fn objc_msgSend(obj: &Class, sel: SEL) -> NSObject;
            }

            let sel = selector!(alloc);

            unsafe { objc_msgSend(self, sel) }
        }
    }

    #[expect(non_camel_case_types)]
    #[repr(transparent)]
    pub(in super::super) struct id(NonNull<Object>);

    impl Deref for id {
        type Target = Object;

        fn deref(&self) -> &Self::Target {
            unsafe { self.0.as_ref() }
        }
    }

    impl Drop for id {
        fn drop(&mut self) {
            extern "C" {
                fn objc_release(obj: &Object);
            }

            unsafe { objc_release(self) }
        }
    }

    #[repr(transparent)]
    pub(in super::super) struct NSObject(id);

    impl Deref for NSObject {
        type Target = id;

        fn deref(&self) -> &Self::Target {
            &self.0
        }
    }
}

pub(super) mod foundation {
    use std::ops::Deref;

    use super::objc::Class;
    use super::objc::NSObject;
    use super::objc::NSUInteger;
    use super::objc::BOOL;
    use super::objc::NO;
    use super::objc::SEL;

    #[repr(transparent)]
    pub(in super::super) struct NSStringEncoding(NSUInteger);

    impl NSStringEncoding {
        pub(in super::super) const UTF8: Self = Self(4);
    }

    #[repr(transparent)]
    pub(in super::super) struct NSString(NSObject);

    impl NSString {
        fn class() -> &'static Class {
            extern "C" {
                #[link_name = "OBJC_CLASS_$_NSString"]
                static CLASS: Class;
            }
            unsafe { &CLASS }
        }

        pub(in super::super) unsafe fn from_str_no_copy(string: &str) -> Self {
            extern "C" {
                fn objc_msgSend(
                    obj: NSString,
                    sel: SEL,
                    bytes: *const u8,
                    length: NSUInteger,
                    encoding: NSStringEncoding,
                    free_when_done: BOOL,
                ) -> NSString;
            }

            let obj = Self(Self::class().alloc());
            let sel =
                selector!(initWithBytesNoCopy:length:encoding:freeWhenDone:);
            let bytes = string.as_ptr();
            let length = string.len();
            let encoding = NSStringEncoding::UTF8;
            let free_when_done = NO;

            unsafe {
                objc_msgSend(obj, sel, bytes, length, encoding, free_when_done)
            }
        }
    }

    impl Deref for NSString {
        type Target = NSObject;

        fn deref(&self) -> &Self::Target {
            &self.0
        }
    }
}