From 1f0bc6db0d23a9f1edd1918b3cb68e0ffba2cb9d Mon Sep 17 00:00:00 2001
From: "Brian J. Burg" <burg@cs.washington.edu>
Date: Wed, 14 Nov 2012 13:37:55 -0800
Subject: [PATCH] Add bindings for most CFSet methods, and static new() for the
 wrapper.

---
 set.rs | 59 ++++++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 45 insertions(+), 14 deletions(-)

diff --git a/set.rs b/set.rs
index a00d061..8a3d68b 100644
--- a/set.rs
+++ b/set.rs
@@ -6,8 +6,10 @@ use base::{
     CFIndex,
     CFRelease,
     CFTypeRef,
+    CFTypeID,
+    kCFAllocatorDefault,
 };
-use libc::c_char;
+use libc::{c_char, c_void};
 
 pub type CFSetRetainCallBack = *u8;
 pub type CFSetReleaseCallBack = *u8;
@@ -31,7 +33,8 @@ impl CFSetRef : AbstractCFTypeRef {
     pure fn as_type_ref(&self) -> CFTypeRef { *self as CFTypeRef }
 }
 
-pub struct CFSet {
+struct CFSet<ElemRefType : AbstractCFTypeRef,
+             ElemType    : AbstractCFType<ElemRefType>> {
     obj: CFSetRef,
 
     drop {
@@ -41,18 +44,39 @@ pub struct CFSet {
     }
 }
 
-pub impl CFSet : AbstractCFType<CFSetRef> {
+pub impl<ElemRefType : AbstractCFTypeRef,
+         ElemType    : AbstractCFType<ElemRefType>>
+    CFSet<ElemRefType, ElemType> {
+    static fn new(elems: &[ElemType]) -> CFSet<ElemRefType, ElemType> {
+        let set_ref : CFSetRef;
+        let elems_refs = do vec::map(elems) |e: &ElemType| { e.get_ref().as_type_ref() };
+
+        unsafe {
+            set_ref = CFSetCreate(kCFAllocatorDefault,
+                                  cast::transmute(vec::raw::to_ptr(elems_refs)),
+                                  elems.len() as CFIndex,
+                                  ptr::to_unsafe_ptr(&kCFTypeSetCallBacks));
+        }
+        // return CFSet::wrap(set_ref)
+        return CFSet { obj: set_ref };
+    }
+}
+
+pub impl<ElemRefType : AbstractCFTypeRef,
+         ElemType    : AbstractCFType<ElemRefType>>
+    CFSet<ElemRefType, ElemType> : AbstractCFType<CFSetRef> {
     pure fn get_ref() -> CFSetRef { self.obj }
 
-    static fn wrap(obj: CFSetRef) -> CFSet {
+    static fn wrap(obj: CFSetRef) -> CFSet<ElemRefType, ElemType> {
         CFSet { obj: obj }
     }
 
-    static fn unwrap(wrapper: CFSet) -> CFSetRef {
+    static fn unwrap(wrapper: CFSet<ElemRefType, ElemType>) -> CFSetRef {
         wrapper.obj
     }
 }
 
+
 #[link_args="-framework CoreFoundation"]
 #[nolink]
 extern {
@@ -63,15 +87,22 @@ extern {
     const kCFTypeSetCallBacks: CFSetCallBacks;
     const kCFTypeCopyStringSetCallBacks: CFSetCallBacks;
 
-    //fn CFSetCreate
-    //fn CFSetCreateCopy
-    //fn CFSetContainsValue
-    //fn CFSetGetCount
-    //fn CFSetGetCountOfValue
-    //fn CFSetGetValue
-    //fn CFSetGetValueIfPresent
-    //fn CFSetGetValues
+    /* Creating Sets */
+    fn CFSetCreate(allocator: CFAllocatorRef, values: **c_void, numValues: CFIndex, 
+                   callBacks: *CFSetCallBacks) -> CFSetRef;
+    fn CFSetCreateCopy(allocator: CFAllocatorRef, theSet: CFSetRef) -> CFSetRef;
+
+    /* Examining a Set */
+    fn CFSetContainsValue(theSet: CFSetRef, value: *c_void) -> Boolean;
+    fn CFSetGetCount(theSet: CFSetRef) -> CFIndex;
+    fn CFSetGetCountOfValue(theSet: CFSetRef, value: *c_void) -> CFIndex;
+    fn CFSetGetValue(theSet: CFSetRef, value: *c_void) -> *c_void;
+    fn CFSetGetValueIfPresent(theSet: CFSetRef, candidate: *c_void, value: **c_void) -> Boolean;
+    fn CFSetGetValues(theSet: CFSetRef, values: **c_void);
+
+    /* Applying a Function to Set Members */
     //fn CFSetApplyFunction
-    //fn CFSetGetTypeID
+
+    fn CFSetGetTypeID() -> CFTypeID;
 }