mirror of
https://github.com/zhigang1992/RETableViewManager.git
synced 2026-06-14 01:55:49 +08:00
89 lines
4.0 KiB
Objective-C
89 lines
4.0 KiB
Objective-C
//
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// NSString+RETableViewManagerAdditions.m
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// RETableViewManager
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//
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// Copyright (c) 2013 Roman Efimov (https://github.com/romaonthego)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#import "NSString+RETableViewManagerAdditions.h"
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#import "RECommonFunctions.h"
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@implementation NSString (RETableViewManagerAdditions)
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- (CGSize)re_sizeWithFont:(UIFont *)font
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{
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CGSize size;
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if ([self respondsToSelector:@selector(sizeWithAttributes:)]) {
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NSMethodSignature *signature = [[self class] instanceMethodSignatureForSelector:@selector(sizeWithAttributes:)];
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NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
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[invocation setTarget:self];
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[invocation setSelector:@selector(sizeWithAttributes:)];
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NSDictionary *attributes = @{ NSFontAttributeName:font };
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[invocation setArgument:&attributes atIndex:2];
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[invocation invoke];
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[invocation getReturnValue:&size];
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} else {
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NSMethodSignature *signature = [[self class] instanceMethodSignatureForSelector:@selector(sizeWithFont:)];
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NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
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[invocation setTarget:self];
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[invocation setSelector:@selector(sizeWithFont:)];
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[invocation setArgument:&font atIndex:2];
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[invocation invoke];
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[invocation getReturnValue:&size];
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}
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return size;
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}
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- (CGSize)re_sizeWithFont:(UIFont *)font constrainedToSize:(CGSize)size
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{
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CGSize resultSize;
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if ([self respondsToSelector:@selector(boundingRectWithSize:options:attributes:context:)]) {
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NSMethodSignature *signature = [[self class] instanceMethodSignatureForSelector:@selector(boundingRectWithSize:options:attributes:context:)];
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NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
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[invocation setTarget:self];
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[invocation setSelector:@selector(boundingRectWithSize:options:attributes:context:)];
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NSDictionary *attributes = @{ NSFontAttributeName:font };
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NSStringDrawingOptions options = NSStringDrawingUsesLineFragmentOrigin;
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NSStringDrawingContext *context;
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[invocation setArgument:&size atIndex:2];
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[invocation setArgument:&options atIndex:3];
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[invocation setArgument:&attributes atIndex:4];
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[invocation setArgument:&context atIndex:5];
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[invocation invoke];
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CGRect rect;
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[invocation getReturnValue:&rect];
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resultSize = rect.size;
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} else {
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NSMethodSignature *signature = [[self class] instanceMethodSignatureForSelector:@selector(sizeWithFont:constrainedToSize:)];
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NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
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[invocation setTarget:self];
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[invocation setSelector:@selector(sizeWithFont:constrainedToSize:)];
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[invocation setArgument:&font atIndex:2];
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[invocation setArgument:&size atIndex:3];
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[invocation invoke];
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[invocation getReturnValue:&resultSize];
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}
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return resultSize;
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}
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@end
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