Add windows-strings crate

.github/workflows/clippy.yml

@@ -234,6 +234,8 @@ jobs:
         run:  cargo clippy -p test_standalone
       - name: Clippy test_string_param
         run:  cargo clippy -p test_string_param
+      - name: Clippy test_strings
+        run:  cargo clippy -p test_strings
       - name: Clippy test_structs
         run:  cargo clippy -p test_structs
       - name: Clippy test_sys
@@ -288,6 +290,8 @@ jobs:
         run:  cargo clippy -p windows-registry
       - name: Clippy windows-result
         run:  cargo clippy -p windows-result
+      - name: Clippy windows-strings
+        run:  cargo clippy -p windows-strings
       - name: Clippy windows-sys
         run:  cargo clippy -p windows-sys
       - name: Clippy windows-targets

.github/workflows/msrv-windows-registry.yml

@@ -16,10 +16,7 @@ jobs:
     strategy:
       matrix:
         rust: [1.60.0, stable, nightly]
-        runs-on:
-          - windows-latest
-          - ubuntu-latest
-    runs-on: ${{ matrix.runs-on }}
+    runs-on: windows-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4

.github/workflows/msrv-windows-strings.yml

@@ -0,0 +1,26 @@
+name: windows-strings
+
+on:
+  pull_request:
+  push:
+    paths-ignore:
+      - '.github/ISSUE_TEMPLATE/**'
+    branches:
+      - master
+
+env:
+  RUSTFLAGS: -Dwarnings
+
+jobs:
+  check:
+    strategy:
+      matrix:
+        rust: [1.60.0, stable, nightly]
+    runs-on: windows-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Prepare
+        run: rustup update --no-self-update ${{ matrix.rust }} && rustup default ${{ matrix.rust }}
+      - name: Check
+        run: cargo check -p windows-strings --all-features

.github/workflows/msrv-windows-version.yml

@@ -16,10 +16,7 @@ jobs:
     strategy:
       matrix:
         rust: [1.60.0, stable, nightly]
-        runs-on:
-          - windows-latest
-          - ubuntu-latest
-    runs-on: ${{ matrix.runs-on }}
+    runs-on: windows-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4

.github/workflows/msrv-windows.yml

@@ -16,10 +16,7 @@ jobs:
     strategy:
       matrix:
         rust: [1.70.0, stable, nightly]
-        runs-on:
-          - windows-2022
-          - ubuntu-latest
-    runs-on: ${{ matrix.runs-on }}
+    runs-on: windows-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4

.github/workflows/no-default-features.yml

@@ -48,6 +48,8 @@ jobs:
         run:  cargo check -p windows-registry --no-default-features
       - name: Check windows-result
         run:  cargo check -p windows-result --no-default-features
+      - name: Check windows-strings
+        run:  cargo check -p windows-strings --no-default-features
       - name: Check windows-sys
         run:  cargo check -p windows-sys --no-default-features
       - name: Check windows-targets

.github/workflows/test.yml

@@ -262,6 +262,8 @@ jobs:
         run:  cargo clean
       - name: Test test_string_param
         run:  cargo test -p test_string_param --target ${{ matrix.target }} ${{ matrix.etc }}
+      - name: Test test_strings
+        run:  cargo test -p test_strings --target ${{ matrix.target }} ${{ matrix.etc }}
       - name: Test test_structs
         run:  cargo test -p test_structs --target ${{ matrix.target }} ${{ matrix.etc }}
       - name: Test test_sys
@@ -316,6 +318,8 @@ jobs:
         run:  cargo test -p windows-registry --target ${{ matrix.target }} ${{ matrix.etc }}
       - name: Test windows-result
         run:  cargo test -p windows-result --target ${{ matrix.target }} ${{ matrix.etc }}
+      - name: Test windows-strings
+        run:  cargo test -p windows-strings --target ${{ matrix.target }} ${{ matrix.etc }}
       - name: Test windows-sys
         run:  cargo test -p windows-sys --target ${{ matrix.target }} ${{ matrix.etc }}
       - name: Test windows-targets

crates/libs/core/.natvis

@@ -15,60 +15,4 @@
   <Type Name="windows_core::imp::ref_count::RefCount">
     <DisplayString>{__0}</DisplayString>
   </Type>
-
-  <Type Name="windows_core::strings::hstring::HSTRING">
-    <Intrinsic Name="header" Expression="(windows_core::strings::hstring::Header *)__0.tag" />
-    <Intrinsic Name="is_empty" Expression="__0.tag == 0" />
-    <DisplayString Condition="is_empty()">""</DisplayString>
-    <DisplayString>{header()->data,[header()->len]su}</DisplayString>
-
-    <Expand>
-      <Item Name="[len]">is_empty() ? (unsigned int)0 : header()->len</Item>
-      <Item Name="[ref_count]" Condition="!is_empty()">header()->count</Item>
-      <Item Name="[flags]" Condition="!is_empty()">header()->flags</Item>
-      <Synthetic Name="[chars]" Condition="!is_empty()">
-        <Expand>
-          <ArrayItems>
-            <Size>header()->len</Size>
-            <ValuePointer>(char16_t*)header()->data</ValuePointer>
-          </ArrayItems>
-        </Expand>
-      </Synthetic>
-    </Expand>
-  </Type>
-
-  <Type Name="windows_core::strings::pstr::PSTR">
-    <AlternativeType Name="windows_core::strings::pcstr::PCSTR" />
-    <Intrinsic Name="len" Expression="strlen(((char*)__0))" />
-    <DisplayString>{(char*)__0,[len()]s8}</DisplayString>
-    <Expand>
-      <Item Name="[len]">len()</Item>
-      <Synthetic Name="[chars]">
-        <Expand>
-          <ArrayItems>
-            <Size>len()</Size>
-            <ValuePointer>(char*)__0</ValuePointer>
-          </ArrayItems>
-        </Expand>
-      </Synthetic>
-    </Expand>
-  </Type>
-
-  <Type Name="windows_core::strings::pwstr::PWSTR">
-    <AlternativeType Name="windows_core::strings::pcwstr::PCWSTR" />
-    <Intrinsic Name="len" Expression="wcslen(((WCHAR*)__0))" />
-    <DisplayString>{(char16_t*)__0,[len()]su}</DisplayString>
-
-    <Expand>
-      <Item Name="[len]">len()</Item>
-      <Synthetic Name="[chars]">
-        <Expand>
-          <ArrayItems>
-            <Size>len()</Size>
-            <ValuePointer>(char16_t*)__0</ValuePointer>
-          </ArrayItems>
-        </Expand>
-      </Synthetic>
-    </Expand>
-  </Type>
 </AutoVisualizer>

crates/libs/core/Cargo.toml

@@ -25,6 +25,10 @@ path = "../targets"
 version = "0.1.1"
 path = "../result"
 
+[dependencies.windows-strings]
+version = "0.1.0"
+path = "../strings"
+
 [dependencies]
 windows-implement = { path = "../implement",  version = "0.57.0" }
 windows-interface = { path = "../interface",  version = "0.57.0" }

crates/libs/core/readme.md

@@ -81,8 +81,8 @@ fn main() {
         WaitForSingleObject(event, 0);
         CloseHandle(event);
 
-        MessageBoxA(0, s!("Ansi"), s!("Caption"), MB_OK);
-        MessageBoxW(0, w!("Wide"), w!("Caption"), MB_OK);
+        MessageBoxA(0 as _, s!("Ansi"), s!("Caption"), MB_OK);
+        MessageBoxW(0 as _, w!("Wide"), w!("Caption"), MB_OK);
     }
 }
 ```

crates/libs/core/src/imp/bindings.rs

@@ -22,9 +22,6 @@ windows_targets::link!("ole32.dll" "system" fn CoTaskMemAlloc(cb : usize) -> *mu
 windows_targets::link!("ole32.dll" "system" fn CoTaskMemFree(pv : *const core::ffi::c_void));
 windows_targets::link!("ole32.dll" "system" fn PropVariantClear(pvar : *mut PROPVARIANT) -> HRESULT);
 windows_targets::link!("ole32.dll" "system" fn PropVariantCopy(pvardest : *mut PROPVARIANT, pvarsrc : *const PROPVARIANT) -> HRESULT);
-windows_targets::link!("oleaut32.dll" "system" fn SysAllocStringLen(strin : PCWSTR, ui : u32) -> BSTR);
-windows_targets::link!("oleaut32.dll" "system" fn SysFreeString(bstrstring : BSTR));
-windows_targets::link!("oleaut32.dll" "system" fn SysStringLen(pbstr : BSTR) -> u32);
 windows_targets::link!("oleaut32.dll" "system" fn VariantClear(pvarg : *mut VARIANT) -> HRESULT);
 windows_targets::link!("oleaut32.dll" "system" fn VariantCopy(pvargdest : *mut VARIANT, pvargsrc : *const VARIANT) -> HRESULT);
 windows_targets::link!("propsys.dll" "system" fn PropVariantCompareEx(propvar1 : *const PROPVARIANT, propvar2 : *const PROPVARIANT, unit : PROPVAR_COMPARE_UNIT, flags : PROPVAR_COMPARE_FLAGS) -> i32);

crates/libs/core/src/lib.rs

@@ -15,7 +15,7 @@ extern crate self as windows_core;
 #[macro_use]
 extern crate alloc;
 
-use alloc::{boxed::Box, string::String, vec::Vec};
+use alloc::boxed::Box;
 
 #[doc(hidden)]
 pub mod imp;
@@ -38,7 +38,6 @@ mod r#ref;
 mod runtime_name;
 mod runtime_type;
 mod scoped_interface;
-mod strings;
 mod r#type;
 mod unknown;
 mod variant;
@@ -63,13 +62,13 @@ pub use r#type::*;
 pub use runtime_name::*;
 pub use runtime_type::*;
 pub use scoped_interface::*;
-pub use strings::*;
 pub use unknown::*;
 pub use variant::*;
 pub use weak::*;
 pub use windows_implement::implement;
 pub use windows_interface::interface;
 pub use windows_result::*;
+pub use windows_strings::*;
 
 /// Attempts to load the factory object for the given WinRT class.
 /// This can be used to access COM interfaces implemented on a Windows Runtime class factory.

crates/libs/strings/.natvis

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="utf-8"?>
+<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
+  <Type Name="windows_strings::hstring::HSTRING">
+    <Intrinsic Name="header" Expression="(windows_strings::hstring::Header *)__0.tag" />
+    <Intrinsic Name="is_empty" Expression="__0.tag == 0" />
+    <DisplayString Condition="is_empty()">""</DisplayString>
+    <DisplayString>{header()->data,[header()->len]su}</DisplayString>
+
+    <Expand>
+      <Item Name="[len]">is_empty() ? (unsigned int)0 : header()->len</Item>
+      <Item Name="[ref_count]" Condition="!is_empty()">header()->count</Item>
+      <Item Name="[flags]" Condition="!is_empty()">header()->flags</Item>
+      <Synthetic Name="[chars]" Condition="!is_empty()">
+        <Expand>
+          <ArrayItems>
+            <Size>header()->len</Size>
+            <ValuePointer>(char16_t*)header()->data</ValuePointer>
+          </ArrayItems>
+        </Expand>
+      </Synthetic>
+    </Expand>
+  </Type>
+
+  <Type Name="windows_strings::pstr::PSTR">
+    <AlternativeType Name="windows_strings::pcstr::PCSTR" />
+    <Intrinsic Name="len" Expression="strlen(((char*)__0))" />
+    <DisplayString>{(char*)__0,[len()]s8}</DisplayString>
+    <Expand>
+      <Item Name="[len]">len()</Item>
+      <Synthetic Name="[chars]">
+        <Expand>
+          <ArrayItems>
+            <Size>len()</Size>
+            <ValuePointer>(char*)__0</ValuePointer>
+          </ArrayItems>
+        </Expand>
+      </Synthetic>
+    </Expand>
+  </Type>
+
+  <Type Name="windows_strings::pwstr::PWSTR">
+    <AlternativeType Name="windows_strings::pcwstr::PCWSTR" />
+    <Intrinsic Name="len" Expression="wcslen(((WCHAR*)__0))" />
+    <DisplayString>{(char16_t*)__0,[len()]su}</DisplayString>
+
+    <Expand>
+      <Item Name="[len]">len()</Item>
+      <Synthetic Name="[chars]">
+        <Expand>
+          <ArrayItems>
+            <Size>len()</Size>
+            <ValuePointer>(char16_t*)__0</ValuePointer>
+          </ArrayItems>
+        </Expand>
+      </Synthetic>
+    </Expand>
+  </Type>
+
+  <Type Name="windows_strings::ref_count::RefCount">
+    <DisplayString>{__0}</DisplayString>
+  </Type>  
+</AutoVisualizer>

crates/libs/strings/Cargo.toml

@@ -0,0 +1,30 @@
+[package]
+name = "windows-strings"
+version = "0.1.0"
+authors = ["Microsoft"]
+edition = "2021"
+rust-version = "1.60"
+license = "MIT OR Apache-2.0"
+description = "Rust for Windows"
+repository = "https://github.com/microsoft/windows-rs"
+readme = "readme.md"
+categories = ["os::windows-apis"]
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+default-target = "x86_64-pc-windows-msvc"
+targets = []
+
+[dependencies.windows-targets]
+version = "0.52.5"
+path = "../targets"
+
+[dependencies.windows-result]
+version = "0.1.1"
+path = "../result"
+
+[features]
+default = ["std"]
+std = []