[swift-users] How to bridge between CoreFoundation and SwiftFoundation on Linux?
bouke at haarsma.eu
Wed Sep 21 15:03:10 CDT 2016
The one that comes with SwiftFoundation (https://github.com/apple/swift-corelibs-foundation/tree/master/CoreFoundation <https://github.com/apple/swift-corelibs-foundation/tree/master/CoreFoundation>).
I think it should be a bug that CFReadStream cannot be bridged to (NS)InputStream, as otherwise there’s no way to intertwine Sockets (CFSockets) with SwiftFoundation. As the implementation already uses a CFReadStream internally (https://github.com/apple/swift-corelibs-foundation/blob/d3872cb094124d5dd189839505ae73e2fa717cfd/Foundation/NSStream.swift#L122 <https://github.com/apple/swift-corelibs-foundation/blob/d3872cb094124d5dd189839505ae73e2fa717cfd/Foundation/NSStream.swift#L122>), it would be a matter of adding an initializer. However the value is private, so adding the initializer cannot be done from an extension.
> On 21 Sep 2016, at 21:22, Jens Alfke <jens at mooseyard.com> wrote:
>> On Sep 20, 2016, at 9:38 PM, Bouke Haarsma via swift-users <swift-users at swift.org <mailto:swift-users at swift.org>> wrote:
>> When working with CoreFoundation objects (e.g. CFReadStream, CFWriteStream) it isn't immediately obvious to me how to bridge them to SwiftFoundation counterparts (InputStream / OutputStream).
>> The following works on OSX, but doesn't work on Linux;
> What implementation of CF are you using on Linux? OpenStep?
> The bridging between Swift and Obj-C Foundation classes is only implemented on Apple platforms. It’s not part of the open source release. The plan is to implement classes like InputStream in native Swift as part of the standard library; that work is in progress.
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