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use super::*;
#[repr(transparent)]
pub struct BasicString(*const u16);
impl BasicString {
pub fn is_empty(&self) -> bool {
self.len() == 0
}
pub fn len(&self) -> usize {
if self.0.is_null() {
0
} else {
unsafe { SysStringLen(self.0) as usize }
}
}
pub fn as_wide(&self) -> &[u16] {
let len = self.len();
if len != 0 {
unsafe { core::slice::from_raw_parts(self.as_ptr(), len) }
} else {
&[]
}
}
pub fn as_ptr(&self) -> *const u16 {
if !self.is_empty() {
self.0
} else {
const EMPTY: [u16; 1] = [0];
EMPTY.as_ptr()
}
}
}
impl Default for BasicString {
fn default() -> Self {
Self(core::ptr::null_mut())
}
}
impl Drop for BasicString {
fn drop(&mut self) {
if !self.0.is_null() {
unsafe { SysFreeString(self.0) }
}
}
}