}
#[repr(C)]
-#[derive(Clone)]
/// A Rust str object, ie a reference to a UTF8-valid string.
/// This is *not* null-terminated so cannot be used directly as a C string!
pub struct Str {
Str { chars: self.as_ptr(), len: self.len(), chars_is_owned: false }
}
}
+impl Into<Str> for &mut &'static str {
+ fn into(self) -> Str {
+ let us: &'static str = *self;
+ us.into()
+ }
+}
+
impl Str {
pub(crate) fn into_str(&self) -> &'static str {
if self.len == 0 { return ""; }
Str { chars: s.as_ptr(), len: s.len(), chars_is_owned: true }
}
}
+impl Clone for Str {
+ fn clone(&self) -> Self {
+ self.into_str().clone().into()
+ }
+}
impl Drop for Str {
fn drop(&mut self) {
}
}
}
+
+pub(crate) struct SmartPtr<T> {
+ ptr: *mut T,
+}
+impl<T> SmartPtr<T> {
+ pub(crate) fn from_obj(o: T) -> Self {
+ Self { ptr: Box::into_raw(Box::new(o)) }
+ }
+ pub(crate) fn null() -> Self {
+ Self { ptr: std::ptr::null_mut() }
+ }
+}
+impl<T> Drop for SmartPtr<T> {
+ fn drop(&mut self) {
+ if self.ptr != std::ptr::null_mut() {
+ unsafe { Box::from_raw(self.ptr); }
+ }
+ }
+}
+impl<T> std::ops::Deref for SmartPtr<T> {
+ type Target = *mut T;
+ fn deref(&self) -> &*mut T {
+ &self.ptr
+ }
+}