Patrick Walton
60 lines
1.4 KiB
Rust
60 lines
1.4 KiB
Rust
use base::{AbstractCFType, CFAllocatorRef, CFIndex, CFRelease, CFTypeRef, kCFAllocatorDefault};
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use cast::reinterpret_cast;
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use libc::{c_int, c_void};
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struct __CFNumber { private: () }
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pub type CFNumberRef = *__CFNumber;
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pub const kCFNumberSInt32Type: c_int = 3;
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pub struct CFNumber {
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obj: CFNumberRef,
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drop {
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unsafe {
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CFRelease(reinterpret_cast(&self.obj));
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}
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}
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}
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pub mod CFNumber {
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pub fn wrap(obj: CFNumberRef) -> CFNumber {
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CFNumber { obj: obj }
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}
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pub fn new_number<T:Copy ConvertibleToCFNumber>(n: T) -> CFNumber {
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unsafe {
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CFNumber {
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obj: CFNumberCreate(kCFAllocatorDefault, n.cf_number_type(), reinterpret_cast(& &n))
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}
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}
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}
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}
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impl CFNumber : AbstractCFType {
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pure fn as_type_ref(&self) -> CFTypeRef {
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unsafe {
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reinterpret_cast(&self.obj)
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}
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}
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}
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pub trait ConvertibleToCFNumber {
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// FIXME: Should be static, but that breaks.
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pure fn cf_number_type(&self) -> CFNumberType;
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}
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impl i32 : ConvertibleToCFNumber {
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pure fn cf_number_type(&self) -> CFNumberType { kCFNumberSInt32Type as CFNumberType }
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}
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pub type CFNumberType = CFIndex;
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#[link_args="-framework CoreFoundation"]
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#[nolink]
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extern {
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fn CFNumberCreate(allocator: CFAllocatorRef, theType: CFNumberType, valuePtr: *c_void)
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-> CFNumberRef;
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}
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