Vendor dependencies for 0.3.0 release

vendor/objc2-foundation/src/attributed_string.rs

@@ -0,0 +1,72 @@
+use core::fmt;
+use core::panic::{RefUnwindSafe, UnwindSafe};
+
+use objc2::rc::Retained;
+use objc2::ClassType;
+
+use crate::Foundation::*;
+
+// SAFETY: `NSAttributedString` is immutable and `NSMutableAttributedString`
+// can only be mutated from `&mut` methods.
+unsafe impl Sync for NSAttributedString {}
+unsafe impl Send for NSAttributedString {}
+
+// Same reasoning as `NSString`.
+impl UnwindSafe for NSAttributedString {}
+impl RefUnwindSafe for NSAttributedString {}
+
+impl NSAttributedString {
+    /// Creates a new attributed string from the given string and attributes.
+    ///
+    /// The attributes are associated with every UTF-16 code unit in the
+    /// string.
+    ///
+    /// # Safety
+    ///
+    /// The attributes must be valid.
+    #[doc(alias = "initWithString:")]
+    #[cfg(feature = "NSDictionary")]
+    #[cfg(feature = "NSString")]
+    pub unsafe fn new_with_attributes(
+        string: &NSString,
+        attributes: &NSDictionary<NSAttributedStringKey, objc2::runtime::AnyObject>,
+    ) -> Retained<Self> {
+        unsafe { Self::initWithString_attributes(Self::alloc(), string, Some(attributes)) }
+    }
+
+    /// Creates a new attributed string without any attributes.
+    #[doc(alias = "initWithString:")]
+    #[cfg(feature = "NSString")]
+    pub fn from_nsstring(string: &NSString) -> Retained<Self> {
+        Self::initWithString(Self::alloc(), string)
+    }
+}
+
+impl NSMutableAttributedString {
+    // TODO: new_with_attributes
+
+    #[doc(alias = "initWithString:")]
+    #[cfg(feature = "NSString")]
+    pub fn from_nsstring(string: &NSString) -> Retained<Self> {
+        Self::initWithString(Self::alloc(), string)
+    }
+
+    #[doc(alias = "initWithAttributedString:")]
+    pub fn from_attributed_nsstring(attributed_string: &NSAttributedString) -> Retained<Self> {
+        Self::initWithAttributedString(Self::alloc(), attributed_string)
+    }
+}
+
+impl fmt::Debug for NSAttributedString {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        // Use -[NSAttributedString description] since it is pretty good
+        let obj: &NSObject = self;
+        fmt::Debug::fmt(obj, f)
+    }
+}
+
+impl fmt::Debug for NSMutableAttributedString {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        fmt::Debug::fmt(&**self, f)
+    }
+}