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author | Valentin Popov <valentin@popov.link> | 2024-07-19 15:37:58 +0300 |
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committer | Valentin Popov <valentin@popov.link> | 2024-07-19 15:37:58 +0300 |
commit | a990de90fe41456a23e58bd087d2f107d321f3a1 (patch) | |
tree | 15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/cc/src/com.rs | |
parent | 3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff) | |
download | fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip |
Deleted vendor folder
Diffstat (limited to 'vendor/cc/src/com.rs')
-rw-r--r-- | vendor/cc/src/com.rs | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/vendor/cc/src/com.rs b/vendor/cc/src/com.rs deleted file mode 100644 index cd22844..0000000 --- a/vendor/cc/src/com.rs +++ /dev/null @@ -1,156 +0,0 @@ -// Copyright © 2017 winapi-rs developers -// Licensed under the Apache License, Version 2.0 -// <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or https://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. - -#![allow(unused)] - -use crate::{ - winapi::{IUnknown, Interface}, - windows_sys::{ - CoInitializeEx, SysFreeString, SysStringLen, BSTR, COINIT_MULTITHREADED, HRESULT, S_FALSE, - S_OK, - }, -}; -use std::{ - ffi::{OsStr, OsString}, - mem::ManuallyDrop, - ops::Deref, - os::windows::ffi::{OsStrExt, OsStringExt}, - ptr::{null, null_mut}, - slice::from_raw_parts, -}; - -pub fn initialize() -> Result<(), HRESULT> { - let err = unsafe { CoInitializeEx(null(), COINIT_MULTITHREADED) }; - if err != S_OK && err != S_FALSE { - // S_FALSE just means COM is already initialized - Err(err) - } else { - Ok(()) - } -} - -pub struct ComPtr<T>(*mut T) -where - T: Interface; -impl<T> ComPtr<T> -where - T: Interface, -{ - /// Creates a `ComPtr` to wrap a raw pointer. - /// It takes ownership over the pointer which means it does __not__ call `AddRef`. - /// `T` __must__ be a COM interface that inherits from `IUnknown`. - pub unsafe fn from_raw(ptr: *mut T) -> ComPtr<T> { - assert!(!ptr.is_null()); - ComPtr(ptr) - } - /// Casts up the inheritance chain - pub fn up<U>(self) -> ComPtr<U> - where - T: Deref<Target = U>, - U: Interface, - { - ComPtr(self.into_raw() as *mut U) - } - /// Extracts the raw pointer. - /// You are now responsible for releasing it yourself. - pub fn into_raw(self) -> *mut T { - ManuallyDrop::new(self).0 - } - /// For internal use only. - fn as_unknown(&self) -> &IUnknown { - unsafe { &*(self.0 as *mut IUnknown) } - } - /// Performs QueryInterface fun. - pub fn cast<U>(&self) -> Result<ComPtr<U>, i32> - where - U: Interface, - { - let mut obj = null_mut(); - let err = unsafe { self.as_unknown().QueryInterface(&U::uuidof(), &mut obj) }; - if err < 0 { - return Err(err); - } - Ok(unsafe { ComPtr::from_raw(obj as *mut U) }) - } -} -impl<T> Deref for ComPtr<T> -where - T: Interface, -{ - type Target = T; - fn deref(&self) -> &T { - unsafe { &*self.0 } - } -} -impl<T> Clone for ComPtr<T> -where - T: Interface, -{ - fn clone(&self) -> Self { - unsafe { - self.as_unknown().AddRef(); - ComPtr::from_raw(self.0) - } - } -} -impl<T> Drop for ComPtr<T> -where - T: Interface, -{ - fn drop(&mut self) { - unsafe { - self.as_unknown().Release(); - } - } -} -pub struct BStr(BSTR); -impl BStr { - pub unsafe fn from_raw(s: BSTR) -> BStr { - BStr(s) - } - pub fn to_osstring(&self) -> OsString { - let len = unsafe { SysStringLen(self.0) }; - let slice = unsafe { from_raw_parts(self.0, len as usize) }; - OsStringExt::from_wide(slice) - } -} -impl Drop for BStr { - fn drop(&mut self) { - unsafe { SysFreeString(self.0) }; - } -} - -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>, -{ - fn to_wide(&self) -> Vec<u16> { - self.as_ref().encode_wide().collect() - } - 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; - fn from_wide_null(wide: &[u16]) -> Self { - let len = wide.iter().take_while(|&&c| c != 0).count(); - Self::from_wide(&wide[..len]) - } -} -impl FromWide for OsString { - fn from_wide(wide: &[u16]) -> OsString { - OsStringExt::from_wide(wide) - } -} |