43 lines
900 B
Objective-C
43 lines
900 B
Objective-C
//
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// MPParsedNumber.m
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// MathPad
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//
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// Created by Kim Wittenburg on 13.09.14.
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// Copyright (c) 2014 Kim Wittenburg. All rights reserved.
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//
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#import "MPParsedNumber.h"
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@interface MPParsedNumber ()
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@property (nonatomic) NSRange range;
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@property (nonatomic, strong) NSDecimalNumber *number;
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@end
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@implementation MPParsedNumber
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- (instancetype)initWithRange:(NSRange)range
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inString:(NSString *)string
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{
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self = [super init];
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if (self) {
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_range = range;
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if (range.location != NSNotFound) {
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NSString *stringValue = [string substringWithRange:range];
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_number = [NSDecimalNumber decimalNumberWithString:stringValue];
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}
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}
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return self;
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}
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- (BOOL)exists
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{
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return self.range.location != NSNotFound;
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}
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- (NSDecimalNumber *)evaluateWithError:(MPParseError *__autoreleasing *)error
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{
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return self.number;
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}
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@end
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