78 lines
1.8 KiB
Objective-C
78 lines
1.8 KiB
Objective-C
/*
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* This file is part of the SDWebImage package.
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* (c) Olivier Poitrey <rs@dailymotion.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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#import <Foundation/Foundation.h>
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#import "SDmetamacros.h"
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#ifndef SD_LOCK
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#define SD_LOCK(lock) dispatch_semaphore_wait(lock, DISPATCH_TIME_FOREVER);
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#endif
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#ifndef SD_UNLOCK
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#define SD_UNLOCK(lock) dispatch_semaphore_signal(lock);
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#endif
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#ifndef SD_OPTIONS_CONTAINS
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#define SD_OPTIONS_CONTAINS(options, value) (((options) & (value)) == (value))
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#endif
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#ifndef SD_CSTRING
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#define SD_CSTRING(str) #str
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#endif
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#ifndef SD_NSSTRING
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#define SD_NSSTRING(str) @(SD_CSTRING(str))
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#endif
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#ifndef SD_SEL_SPI
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#define SD_SEL_SPI(name) NSSelectorFromString([NSString stringWithFormat:@"_%@", SD_NSSTRING(name)])
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#endif
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#ifndef weakify
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#define weakify(...) \
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sd_keywordify \
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metamacro_foreach_cxt(sd_weakify_,, __weak, __VA_ARGS__)
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#endif
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#ifndef strongify
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#define strongify(...) \
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sd_keywordify \
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_Pragma("clang diagnostic push") \
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_Pragma("clang diagnostic ignored \"-Wshadow\"") \
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metamacro_foreach(sd_strongify_,, __VA_ARGS__) \
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_Pragma("clang diagnostic pop")
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#endif
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#define sd_weakify_(INDEX, CONTEXT, VAR) \
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CONTEXT __typeof__(VAR) metamacro_concat(VAR, _weak_) = (VAR);
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#define sd_strongify_(INDEX, VAR) \
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__strong __typeof__(VAR) VAR = metamacro_concat(VAR, _weak_);
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#if DEBUG
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#define sd_keywordify autoreleasepool {}
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#else
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#define sd_keywordify try {} @catch (...) {}
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#endif
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#ifndef onExit
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#define onExit \
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sd_keywordify \
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__strong sd_cleanupBlock_t metamacro_concat(sd_exitBlock_, __LINE__) __attribute__((cleanup(sd_executeCleanupBlock), unused)) = ^
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#endif
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typedef void (^sd_cleanupBlock_t)(void);
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#if defined(__cplusplus)
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extern "C" {
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#endif
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void sd_executeCleanupBlock (__strong sd_cleanupBlock_t *block);
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#if defined(__cplusplus)
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}
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#endif
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