2 Copyright (C) 2005 SKYRIX Software AG
4 This file is part of SOPE.
6 SOPE is free software; you can redistribute it and/or modify it under
7 the terms of the GNU Lesser General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 SOPE is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with SOPE; see the file COPYING. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
22 #include "EOQualifier+CoreData.h"
23 #include "NSPredicate+EO.h"
24 #include "NSExpression+EO.h"
27 @implementation EOKeyComparisonQualifier(CoreData)
29 + (EOQualifier *)qualifierForComparisonPredicate:(NSComparisonPredicate *)_p {
32 if ((sel = [self eoSelectorForForComparisonPredicate:_p]) == nil)
33 return (EOQualifier *)_p;
35 return [[[self alloc] initWithLeftKey:[[_p leftExpression] keyPath]
37 rightKey:[[_p rightExpression] keyPath]] autorelease];
40 - (NSPredicate *)asPredicate {
41 NSExpression *lhs, *rhs;
45 lhs = [tmp isKindOfClass:[EOQualifierVariable class]]
46 ? [NSExpression expressionForVariable:[(EOQualifierVariable *)tmp key]]
47 : [NSExpression expressionForKeyPath:tmp];
49 tmp = [self rightKey];
50 rhs = [tmp isKindOfClass:[EOQualifierVariable class]]
51 ? [NSExpression expressionForVariable:[(EOQualifierVariable *)tmp key]]
52 : [NSExpression expressionForKeyPath:tmp];
54 return [self predicateWithLeftExpression:lhs rightExpression:rhs
55 eoSelector:[self selector]];
58 /* CoreData compatibility */
60 - (NSComparisonPredicateModifier)comparisonPredicateModifier {
61 return NSDirectPredicateModifier;
64 - (NSPredicateOperatorType)predicateOperatorType {
65 return [[self class] predicateOperatorTypeForEOSelector:[self selector]];
69 return (SEL_EQ([self selector], EOQualifierOperatorCaseInsensitiveLike))
70 ? NSCaseInsensitivePredicateOption : 0;
73 - (SEL)customSelector {
74 return [self predicateOperatorType] == NSCustomSelectorPredicateOperatorType
75 ? [self selector] : nil;
78 @end /* EOKeyComparisonQualifier(CoreData) */