chore: add vendor directory

1 files changed, 88 insertions, 0 deletions

diff --git a/vendor/windows-strings/src/pwstr.rs b/vendor/windows-strings/src/pwstr.rs
new file mode 100644
index 00000000..db4d74ac
--- /dev/null
+++ b/vendor/windows-strings/src/pwstr.rs
@@ -0,0 +1,88 @@
+use super::*;
+
+/// A pointer to a null-terminated string of 16-bit Unicode characters.
+#[repr(transparent)]
+#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+pub struct PWSTR(pub *mut u16);
+
+impl PWSTR {
+    /// Construct a new `PWSTR` from a raw pointer.
+    pub const fn from_raw(ptr: *mut u16) -> Self {
+        Self(ptr)
+    }
+
+    /// Construct a null `PWSTR`.
+    pub const fn null() -> Self {
+        Self(core::ptr::null_mut())
+    }
+
+    /// Returns a raw pointer to the `PWSTR`.
+    pub const fn as_ptr(&self) -> *mut u16 {
+        self.0
+    }
+
+    /// Checks whether the `PWSTR` is null.
+    pub fn is_null(&self) -> bool {
+        self.0.is_null()
+    }
+
+    /// String length without the trailing 0
+    ///
+    /// # Safety
+    ///
+    /// The `PWSTR`'s pointer needs to be valid for reads up until and including the next `\0`.
+    pub unsafe fn len(&self) -> usize {
+        unsafe { PCWSTR(self.0).len() }
+    }
+
+    /// Returns `true` if the string length is zero, and `false` otherwise.
+    ///
+    /// # Safety
+    ///
+    /// The `PWSTR`'s pointer needs to be valid for reads up until and including the next `\0`.
+    pub unsafe fn is_empty(&self) -> bool {
+        unsafe { self.len() == 0 }
+    }
+
+    /// String data without the trailing 0.
+    ///
+    /// # Safety
+    ///
+    /// The `PWSTR`'s pointer needs to be valid for reads up until and including the next `\0`.
+    pub unsafe fn as_wide(&self) -> &[u16] {
+        unsafe { core::slice::from_raw_parts(self.0, self.len()) }
+    }
+
+    /// Copy the `PWSTR` into a Rust `String`.
+    ///
+    /// # Safety
+    ///
+    /// See the safety information for `PWSTR::as_wide`.
+    pub unsafe fn to_string(&self) -> core::result::Result<String, alloc::string::FromUtf16Error> {
+        unsafe { String::from_utf16(self.as_wide()) }
+    }
+
+    /// Copy the `PWSTR` into an `HSTRING`.
+    ///
+    /// # Safety
+    ///
+    /// See the safety information for `PWSTR::as_wide`.
+    pub unsafe fn to_hstring(&self) -> HSTRING {
+        unsafe { HSTRING::from_wide(self.as_wide()) }
+    }
+
+    /// Allow this string to be displayed.
+    ///
+    /// # Safety
+    ///
+    /// See the safety information for `PWSTR::as_wide`.
+    pub unsafe fn display(&self) -> impl core::fmt::Display + '_ {
+        unsafe { Decode(move || core::char::decode_utf16(self.as_wide().iter().cloned())) }
+    }
+}
+
+impl Default for PWSTR {
+    fn default() -> Self {
+        Self::null()
+    }
+}