| /* CFPlugIn_Instance.c |
| Copyright (c) 1999-2016, Apple Inc. and the Swift project authors |
| |
| Portions Copyright (c) 2014-2016 Apple Inc. and the Swift project authors |
| Licensed under Apache License v2.0 with Runtime Library Exception |
| See http://swift.org/LICENSE.txt for license information |
| See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| Responsibility: Tony Parker |
| */ |
| |
| #include "CFBundle_Internal.h" |
| #include "CFInternal.h" |
| |
| static CFTypeID __kCFPlugInInstanceTypeID = _kCFRuntimeNotATypeID; |
| |
| struct __CFPlugInInstance { |
| CFRuntimeBase _base; |
| |
| _CFPFactoryRef factory; |
| |
| CFPlugInInstanceGetInterfaceFunction getInterfaceFunction; |
| CFPlugInInstanceDeallocateInstanceDataFunction deallocateInstanceDataFunction; |
| |
| #ifdef _MSC_VER |
| #pragma warning(push) |
| #pragma warning(disable : 4200) |
| #endif //_MSC_VER |
| uint8_t _instanceData[0]; |
| #ifdef _MSC_VER |
| #pragma warning(pop) |
| #endif //_MSC_VER |
| }; |
| |
| static CFStringRef __CFPlugInInstanceCopyDescription(CFTypeRef cf) { |
| /* MF:!!! Implement me */ |
| return CFSTR("Some CFPlugInInstance"); |
| } |
| |
| static void __CFPlugInInstanceDeallocate(CFTypeRef cf) { |
| CFPlugInInstanceRef instance = (CFPlugInInstanceRef)cf; |
| |
| __CFGenericValidateType(cf, CFPlugInInstanceGetTypeID()); |
| |
| if (instance->deallocateInstanceDataFunction) { |
| FAULT_CALLBACK((void **)&(instance->deallocateInstanceDataFunction)); |
| (void)INVOKE_CALLBACK1(instance->deallocateInstanceDataFunction, (void *)(&instance->_instanceData[0])); |
| } |
| |
| if (instance->factory) _CFPFactoryRemoveInstance(instance->factory); |
| } |
| |
| static const CFRuntimeClass __CFPlugInInstanceClass = { |
| 0, |
| "CFPlugInInstance", |
| NULL, // init |
| NULL, // copy |
| __CFPlugInInstanceDeallocate, |
| NULL, // equal |
| NULL, // hash |
| NULL, // |
| __CFPlugInInstanceCopyDescription |
| }; |
| |
| CFTypeID CFPlugInInstanceGetTypeID(void) { |
| static dispatch_once_t initOnce; |
| dispatch_once(&initOnce, ^{ __kCFPlugInInstanceTypeID = _CFRuntimeRegisterClass(&__CFPlugInInstanceClass); }); |
| return __kCFPlugInInstanceTypeID; |
| } |
| |
| CF_EXPORT CFPlugInInstanceRef CFPlugInInstanceCreateWithInstanceDataSize(CFAllocatorRef allocator, CFIndex instanceDataSize, CFPlugInInstanceDeallocateInstanceDataFunction deallocateInstanceFunction, CFStringRef factoryName, CFPlugInInstanceGetInterfaceFunction getInterfaceFunction) { |
| CFPlugInInstanceRef instance; |
| UInt32 size; |
| size = sizeof(struct __CFPlugInInstance) + instanceDataSize - sizeof(CFRuntimeBase); |
| instance = (CFPlugInInstanceRef)_CFRuntimeCreateInstance(allocator, CFPlugInInstanceGetTypeID(), size, NULL); |
| if (!instance) return NULL; |
| |
| instance->factory = _CFPFactoryFind((CFUUIDRef)factoryName, true); |
| if (instance->factory) _CFPFactoryAddInstance(instance->factory); |
| instance->getInterfaceFunction = getInterfaceFunction; |
| instance->deallocateInstanceDataFunction = deallocateInstanceFunction; |
| |
| return instance; |
| } |
| |
| CF_EXPORT Boolean CFPlugInInstanceGetInterfaceFunctionTable(CFPlugInInstanceRef instance, CFStringRef interfaceName, void **ftbl) { |
| void *myFtbl; |
| Boolean result = false; |
| |
| if (instance->getInterfaceFunction) { |
| FAULT_CALLBACK((void **)&(instance->getInterfaceFunction)); |
| result = INVOKE_CALLBACK3(instance->getInterfaceFunction, instance, interfaceName, &myFtbl) ? true : false; |
| } |
| if (ftbl) *ftbl = (result ? myFtbl : NULL); |
| return result; |
| } |
| |
| CF_EXPORT CFStringRef CFPlugInInstanceGetFactoryName(CFPlugInInstanceRef instance) { |
| // This function leaks, but it's the only safe way to access the factory name (on 10.8 or later). |
| // On 10.9 we added the CF_RETURNS_RETAINED annotation to the header. |
| CFUUIDRef factoryId = _CFPFactoryCopyFactoryID(instance->factory); |
| return (CFStringRef)factoryId; |
| } |
| |
| CF_EXPORT void *CFPlugInInstanceGetInstanceData(CFPlugInInstanceRef instance) { |
| return (void *)(&instance->_instanceData[0]); |
| } |
| |