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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /third_party/rust/wio/src/wide.rs
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/wio/src/wide.rs')
-rw-r--r--third_party/rust/wio/src/wide.rs59
1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/rust/wio/src/wide.rs b/third_party/rust/wio/src/wide.rs
new file mode 100644
index 0000000000..0b4d9fe416
--- /dev/null
+++ b/third_party/rust/wio/src/wide.rs
@@ -0,0 +1,59 @@
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use std::ffi::{OsStr, OsString};
+use std::os::windows::ffi::{OsStrExt, OsStringExt};
+use std::path::PathBuf;
+use std::slice::from_raw_parts;
+
+pub trait ToWide {
+ fn to_wide(&self) -> Vec<u16>;
+ fn to_wide_null(&self) -> Vec<u16>;
+}
+impl<T> ToWide for T where T: AsRef<OsStr> {
+ #[inline]
+ fn to_wide(&self) -> Vec<u16> {
+ self.as_ref().encode_wide().collect()
+ }
+ #[inline]
+ fn to_wide_null(&self) -> Vec<u16> {
+ self.as_ref().encode_wide().chain(Some(0)).collect()
+ }
+}
+pub trait FromWide where Self: Sized {
+ fn from_wide(wide: &[u16]) -> Self;
+ #[inline]
+ fn from_wide_null(wide: &[u16]) -> Self {
+ let len = wide.iter().take_while(|&&c| c != 0).count();
+ Self::from_wide(&wide[..len])
+ }
+ #[inline]
+ unsafe fn from_wide_ptr(wide: *const u16, len: usize) -> Self {
+ assert!(!wide.is_null());
+ Self::from_wide(from_raw_parts(wide, len))
+ }
+ #[inline]
+ unsafe fn from_wide_ptr_null(wide: *const u16) -> Self {
+ assert!(!wide.is_null());
+ for i in 0.. {
+ if *wide.offset(i) == 0 {
+ return Self::from_wide_ptr(wide, i as usize)
+ }
+ }
+ unreachable!()
+ }
+}
+impl FromWide for OsString {
+ #[inline]
+ fn from_wide(wide: &[u16]) -> OsString {
+ OsStringExt::from_wide(wide)
+ }
+}
+impl FromWide for PathBuf {
+ #[inline]
+ fn from_wide(wide: &[u16]) -> PathBuf {
+ <OsString as OsStringExt>::from_wide(wide).into()
+ }
+}