+++ /dev/null
-/*
- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/* CFPlugIn_Factory.c
- Copyright 1999-2002, Apple, Inc. All rights reserved.
- Responsibility: Doug Davidson
-*/
-
-#include "CFBundle_Internal.h"
-#include "CFInternal.h"
-
-static CFSpinLock_t CFPlugInGlobalDataLock = 0;
-static CFMutableDictionaryRef _factoriesByFactoryID = NULL; /* Value is _CFPFactory */
-static CFMutableDictionaryRef _factoriesByTypeID = NULL; /* Value is array of _CFPFactory */
-
-static void _CFPFactoryAddToTable(_CFPFactory *factory) {
- __CFSpinLock(&CFPlugInGlobalDataLock);
- if (_factoriesByFactoryID == NULL) {
- CFDictionaryValueCallBacks _factoryDictValueCallbacks = {0, NULL, NULL, NULL, NULL};
- // Use default allocator
- _factoriesByFactoryID = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &_factoryDictValueCallbacks);
- }
- CFDictionarySetValue(_factoriesByFactoryID, factory->_uuid, factory);
- __CFSpinUnlock(&CFPlugInGlobalDataLock);
-}
-
-static void _CFPFactoryRemoveFromTable(_CFPFactory *factory) {
- __CFSpinLock(&CFPlugInGlobalDataLock);
- if (_factoriesByFactoryID != NULL) {
- CFDictionaryRemoveValue(_factoriesByFactoryID, factory->_uuid);
- }
- __CFSpinUnlock(&CFPlugInGlobalDataLock);
-}
-
-__private_extern__ _CFPFactory *_CFPFactoryFind(CFUUIDRef factoryID, Boolean enabled) {
- _CFPFactory *result = NULL;
-
- __CFSpinLock(&CFPlugInGlobalDataLock);
- if (_factoriesByFactoryID != NULL) {
- result = (_CFPFactory *)CFDictionaryGetValue(_factoriesByFactoryID, factoryID);
- if (result && result->_enabled != enabled) {
- result = NULL;
- }
- }
- __CFSpinUnlock(&CFPlugInGlobalDataLock);
- return result;
-}
-
-static void _CFPFactoryDeallocate(_CFPFactory *factory) {
- CFAllocatorRef allocator = factory->_allocator;
- SInt32 c;
-
- _CFPFactoryRemoveFromTable(factory);
-
- if (factory->_plugIn) {
- _CFPlugInRemoveFactory(factory->_plugIn, factory);
- }
-
- /* Remove all types for this factory. */
- c = CFArrayGetCount(factory->_types);
- while (c--) {
- _CFPFactoryRemoveType(factory, CFArrayGetValueAtIndex(factory->_types, c));
- }
- CFRelease(factory->_types);
-
- if (factory->_funcName) {
- CFRelease(factory->_funcName);
- }
-
- if (factory->_uuid) {
- CFRelease(factory->_uuid);
- }
-
- CFAllocatorDeallocate(allocator, factory);
- CFRelease(allocator);
-}
-
-static _CFPFactory *_CFPFactoryCommonCreate(CFAllocatorRef allocator, CFUUIDRef factoryID) {
- _CFPFactory *factory;
- UInt32 size;
- size = sizeof(_CFPFactory);
- allocator = ((NULL == allocator) ? CFRetain(__CFGetDefaultAllocator()) : CFRetain(allocator));
- factory = CFAllocatorAllocate(allocator, size, 0);
- if (NULL == factory) {
- CFRelease(allocator);
- return NULL;
- }
-
- factory->_allocator = allocator;
-
- factory->_uuid = CFRetain(factoryID);
- factory->_enabled = true;
- factory->_instanceCount = 0;
-
- _CFPFactoryAddToTable(factory);
-
- factory->_types = CFArrayCreateMutable(allocator, 0, &kCFTypeArrayCallBacks);
-
- return factory;
-}
-
-__private_extern__ _CFPFactory *_CFPFactoryCreate(CFAllocatorRef allocator, CFUUIDRef factoryID, CFPlugInFactoryFunction func) {
- _CFPFactory *factory = _CFPFactoryCommonCreate(allocator, factoryID);
-
- factory->_func = func;
- factory->_plugIn = NULL;
- factory->_funcName = NULL;
-
- return factory;
-}
-
-__private_extern__ _CFPFactory *_CFPFactoryCreateByName(CFAllocatorRef allocator, CFUUIDRef factoryID, CFPlugInRef plugIn, CFStringRef funcName) {
- _CFPFactory *factory = _CFPFactoryCommonCreate(allocator, factoryID);
-
- factory->_func = NULL;
- factory->_plugIn = plugIn;
- if (plugIn) {
- _CFPlugInAddFactory(plugIn, factory);
- }
- factory->_funcName = (funcName ? CFStringCreateCopy(allocator, funcName) : NULL);
-
- return factory;
-}
-
-__private_extern__ CFUUIDRef _CFPFactoryGetFactoryID(_CFPFactory *factory) {
- return factory->_uuid;
-}
-
-__private_extern__ CFPlugInRef _CFPFactoryGetPlugIn(_CFPFactory *factory) {
- return factory->_plugIn;
-}
-
-__private_extern__ void *_CFPFactoryCreateInstance(CFAllocatorRef allocator, _CFPFactory *factory, CFUUIDRef typeID) {
- void *result = NULL;
- if (factory->_enabled) {
- if (factory->_func == NULL) {
- factory->_func = CFBundleGetFunctionPointerForName(factory->_plugIn, factory->_funcName);
- if (factory->_func == NULL) {
- CFLog(__kCFLogPlugIn, CFSTR("Cannot find function pointer %@ for factory %@ in %@"), factory->_funcName, factory->_uuid, factory->_plugIn);
- }
-#if defined(__MACH__) && defined(__ppc__)
- else {
- // return values from CFBundleGetFunctionPointerForName will always be dyld, but
- // we must force-fault them because pointers to glue code do not fault correctly
- factory->_func = (void *)((uint32_t)(factory->_func) | 0x1);
- }
-#endif
- }
- if (factory->_func) {
-#if 1
- // UPPGOOP
- FAULT_CALLBACK((void **)&(factory->_func));
- result = (void *)INVOKE_CALLBACK2(factory->_func, allocator, typeID);
-#else
- result = factory->_func(allocator, typeID);
-#endif
- }
- } else {
- CFLog(__kCFLogPlugIn, CFSTR("Factory %@ is disabled"), factory->_uuid);
- }
- return result;
-}
-
-__private_extern__ void _CFPFactoryDisable(_CFPFactory *factory) {
- factory->_enabled = false;
- if (factory->_instanceCount == 0) {
- _CFPFactoryDeallocate(factory);
- }
-}
-
-__private_extern__ Boolean _CFPFactoryIsEnabled(_CFPFactory *factory) {
- return factory->_enabled;
-}
-
-__private_extern__ void _CFPFactoryFlushFunctionCache(_CFPFactory *factory) {
- /* MF:!!! Assert that this factory belongs to a plugIn. */
- /* This is called by the factory's plugIn when the plugIn unloads its code. */
- factory->_func = NULL;
-}
-
-__private_extern__ void _CFPFactoryAddType(_CFPFactory *factory, CFUUIDRef typeID) {
- CFMutableArrayRef array;
-
- /* Add the type to the factory's type list */
- CFArrayAppendValue(factory->_types, typeID);
-
- /* Add the factory to the type's array of factories */
- __CFSpinLock(&CFPlugInGlobalDataLock);
- if (_factoriesByTypeID == NULL) {
- // Create this from default allocator
- _factoriesByTypeID = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
- }
- array = (CFMutableArrayRef)CFDictionaryGetValue(_factoriesByTypeID, typeID);
- if (array == NULL) {
- CFArrayCallBacks _factoryArrayCallbacks = {0, NULL, NULL, NULL, NULL};
- // Create this from default allocator
- array = CFArrayCreateMutable(NULL, 0, &_factoryArrayCallbacks);
- CFDictionarySetValue(_factoriesByTypeID, typeID, array);
- CFRelease(array);
- }
- CFArrayAppendValue(array, factory);
- __CFSpinUnlock(&CFPlugInGlobalDataLock);
-}
-
-__private_extern__ void _CFPFactoryRemoveType(_CFPFactory *factory, CFUUIDRef typeID) {
- /* Remove it from the factory's type list */
- SInt32 idx;
-
- idx = CFArrayGetFirstIndexOfValue(factory->_types, CFRangeMake(0, CFArrayGetCount(factory->_types)), typeID);
- if (idx >=0) {
- CFArrayRemoveValueAtIndex(factory->_types, idx);
- }
-
- /* Remove the factory from the type's list of factories */
- __CFSpinLock(&CFPlugInGlobalDataLock);
- if (_factoriesByTypeID != NULL) {
- CFMutableArrayRef array = (CFMutableArrayRef)CFDictionaryGetValue(_factoriesByTypeID, typeID);
- if (array != NULL) {
- idx = CFArrayGetFirstIndexOfValue(array, CFRangeMake(0, CFArrayGetCount(array)), factory);
- if (idx >=0) {
- CFArrayRemoveValueAtIndex(array, idx);
- if (CFArrayGetCount(array) == 0) {
- CFDictionaryRemoveValue(_factoriesByTypeID, typeID);
- }
- }
- }
- }
- __CFSpinUnlock(&CFPlugInGlobalDataLock);
-}
-
-__private_extern__ Boolean _CFPFactorySupportsType(_CFPFactory *factory, CFUUIDRef typeID) {
- SInt32 idx;
-
- idx = CFArrayGetFirstIndexOfValue(factory->_types, CFRangeMake(0, CFArrayGetCount(factory->_types)), typeID);
- return ((idx >= 0) ? true : false);
-}
-
-__private_extern__ CFArrayRef _CFPFactoryFindForType(CFUUIDRef typeID) {
- CFArrayRef result = NULL;
-
- __CFSpinLock(&CFPlugInGlobalDataLock);
- if (_factoriesByTypeID != NULL) {
- result = CFDictionaryGetValue(_factoriesByTypeID, typeID);
- }
- __CFSpinUnlock(&CFPlugInGlobalDataLock);
-
- return result;
-}
-
-/* These methods are called by CFPlugInInstance when an instance is created or destroyed. If a factory's instance count goes to 0 and the factory has been disabled, the factory is destroyed. */
-__private_extern__ void _CFPFactoryAddInstance(_CFPFactory *factory) {
- /* MF:!!! Assert that factory is enabled. */
- factory->_instanceCount++;
- if (factory->_plugIn) {
- _CFPlugInAddPlugInInstance(factory->_plugIn);
- }
-}
-
-__private_extern__ void _CFPFactoryRemoveInstance(_CFPFactory *factory) {
- /* MF:!!! Assert that _instanceCount > 0. */
- factory->_instanceCount--;
- if (factory->_plugIn) {
- _CFPlugInRemovePlugInInstance(factory->_plugIn);
- }
- if ((factory->_instanceCount == 0) && (!factory->_enabled)) {
- _CFPFactoryDeallocate(factory);
- }
-}
projects / apple / cf.git / blobdiff