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45 lines
2.2 KiB
45 lines
2.2 KiB
1 year ago
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/**
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* Tencent is pleased to support the open source community by making QMUI_iOS available.
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* Copyright (C) 2016-2020 THL A29 Limited, a Tencent company. All rights reserved.
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* Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
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* http://opensource.org/licenses/MIT
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* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
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*/
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//
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// NSMethodSignature+QMUI.m
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// QMUIKit
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//
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// Created by MoLice on 2019/A/28.
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//
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#import "NSMethodSignature+QMUI.h"
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#import "NSObject+QMUI.h"
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#import "QMUICore.h"
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@implementation NSMethodSignature (QMUI)
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+ (NSMethodSignature *)qmui_avoidExceptionSignature {
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// https://github.com/facebookarchive/AsyncDisplayKit/pull/1562
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// Unfortunately, in order to get this object to work properly, the use of a method which creates an NSMethodSignature
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// from a C string. -methodSignatureForSelector is called when a compiled definition for the selector cannot be found.
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// This is the place where we have to create our own dud NSMethodSignature. This is necessary because if this method
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// returns nil, a selector not found exception is raised. The string argument to -signatureWithObjCTypes: outlines
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// the return type and arguments to the message. To return a dud NSMethodSignature, pretty much any signature will
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// suffice. Since the -forwardInvocation call will do nothing if the delegate does not respond to the selector,
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// the dud NSMethodSignature simply gets us around the exception.
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return [NSMethodSignature signatureWithObjCTypes:"@^v^c"];
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}
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- (NSString *)qmui_typeString {
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BeginIgnorePerformSelectorLeaksWarning
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NSString *typeString = [self performSelector:NSSelectorFromString([NSString stringWithFormat:@"_%@String", @"type"])];
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EndIgnorePerformSelectorLeaksWarning
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return typeString;
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}
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- (const char *)qmui_typeEncoding {
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return self.qmui_typeString.UTF8String;
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}
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@end
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