1 #[cfg(feature = "alloc")]
2 use alloc::string::String;
3 use core::mem::MaybeUninit;
4 use core::ptr;
5 use core::slice;
6 use core::str;
7 
8 #[export_name = "cxxbridge1$str$new"]
9 unsafe extern "C" fn str_new(this: &mut MaybeUninit<&str>) {
10     let this = this.as_mut_ptr();
11     unsafe { ptr::write(this, "") }
12 }
13 
14 #[cfg(feature = "alloc")]
15 #[export_name = "cxxbridge1$str$ref"]
16 unsafe extern "C" fn str_ref<'a>(this: &mut MaybeUninit<&'a str>, string: &'a String) {
17     let this = this.as_mut_ptr();
18     let s = string.as_str();
19     unsafe { ptr::write(this, s) }
20 }
21 
22 #[export_name = "cxxbridge1$str$from"]
23 unsafe extern "C" fn str_from(this: &mut MaybeUninit<&str>, ptr: *const u8, len: usize) -> bool {
24     let slice = unsafe { slice::from_raw_parts(ptr, len) };
25     match str::from_utf8(slice) {
26         Ok(s) => {
27             let this = this.as_mut_ptr();
28             unsafe { ptr::write(this, s) }
29             true
30         }
31         Err(_) => false,
32     }
33 }
34 
35 #[export_name = "cxxbridge1$str$ptr"]
36 unsafe extern "C" fn str_ptr(this: &&str) -> *const u8 {
37     this.as_ptr()
38 }
39 
40 #[export_name = "cxxbridge1$str$len"]
41 unsafe extern "C" fn str_len(this: &&str) -> usize {
42     this.len()
43 }
44