codello/mathpad
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Removed Prefix/Suffix Placeholder (not needed)

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Added Operator Constants
Removed NSMutableString from NSMutableExpression (not needed)
Implemented -description
Added Tests for: -description, -copy, -mutableCopy
Some Logical Corrections.
This commit is contained in:
Kim Wittenburg
2014-04-20 14:34:42 +02:00
parent 0c16b92aea
commit 8b5a69b885
4 changed files with 110 additions and 70 deletions
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13
MathPad/MPExpression.h
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@@ -8,6 +8,11 @@
@class MPExpression, MPFunction;
extern NSString *MPAdditionOperator;
extern NSString *MPSubtractionOperator;
extern NSString *MPMultiplicationOperator;
extern NSString *MPDivisionOperator;
@interface MPExpression : NSObject <NSCopying, NSMutableCopying, NSCoding>
#pragma mark Creation Methods
@@ -25,6 +30,8 @@
@interface MPExpression (MPExpressionExtensionMethods)
+ (NSArray *)operators;
#pragma mark Creation Methods
- (id)init;
@@ -47,12 +54,6 @@
- (BOOL)isEqualToExpression:(MPExpression *)anExpression;
// TODO: prefix and suffix operator
/*
- (BOOL)hasPrefix:(NSString *)aString;
- (BOOL)hasSuffix:(NSString *)aString;
*/
- (MPExpression *)expressionByAppendingString:(NSString *)aString;
- (MPExpression *)expressionByAppendingFunction:(MPFunction *)aFunction;
- (MPExpression *)expressionByAppendingExpression:(MPExpression *)anExpression;