/* Copyright (C) 2000-2004 SKYRIX Software AG This file is part of OpenGroupware.org. OGo is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. OGo is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with OGo; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "EOQualifier.h" #include "EONull.h" #include "common.h" static EONull *null = nil; /* values */ @interface NSObject(CompareIFace) - (NSComparisonResult)compare:(id)_object; @end @implementation NSObject(ImplementedQualifierComparisons) - (BOOL)isEqualTo:(id)_object { return [self isEqual:_object]; } - (BOOL)isNotEqualTo:(id)_object { return ![self isEqualTo:_object]; } - (BOOL)isLessThan:(id)_object { return [self compare:_object] < 0 ? YES : NO; } - (BOOL)isGreaterThan:(id)_object { return [self compare:_object] > 0 ? YES : NO; } - (BOOL)isLessThanOrEqualTo:(id)_object { return [self compare:_object] <= 0 ? YES : NO; } - (BOOL)isGreaterThanOrEqualTo:(id)_object { return [self compare:_object] >= 0 ? YES : NO; } - (BOOL)doesContain:(id)_object { return NO; } - (BOOL)isLike:(NSString *)_object { return NO; } - (BOOL)isCaseInsensitiveLike:(NSString *)_object { return NO; } @end /* NSObject(ImplementedQualifierComparisons) */ @implementation NSArray(ImplementedQualifierComparisons) - (BOOL)doesContain:(id)_object { return [self containsObject:_object]; } @end /* NSArray(ImplementedQualifierComparisons) */ @implementation NSString(ImplementedQualifierComparisons) - (BOOL)isLike:(NSString *)_pattern { NSArray *cs; unsigned count; #if 0 NSString *first, *last; #endif if (null == nil) null = [[EONull null] retain]; if ((id)_pattern == (id)null) return NO; if ([_pattern isEqual:@"*"]) /* all match */ return YES; cs = [_pattern componentsSeparatedByString:@"*"]; count = [cs count]; if (count == 0) return [self isEqual:_pattern]; if (count == 1) return [self isEqual:_pattern]; if (count == 2) { if ([_pattern hasPrefix:@"*"]) return [self hasSuffix:[cs objectAtIndex:1]]; if ([_pattern hasSuffix:@"*"]) return [self hasPrefix:[cs objectAtIndex:0]]; } if (count == 3) { if ([_pattern hasPrefix:@"*"] && [_pattern hasSuffix:@"*"]) return [self rangeOfString:[cs objectAtIndex:1]].length == 0 ? NO : YES; } #if 1 { NSEnumerator *enumerator; int idx; int len; NSString *str; idx = 0; len = [self length]; enumerator = [cs objectEnumerator]; while ((str = [enumerator nextObject]) && idx < len) { NSRange r; if ([str length] == 0) continue; r = NSMakeRange(idx, ([self length] - idx)); r = [self rangeOfString:str options:0 range:r]; if (r.length == 0) return NO; idx += r.length; } return [enumerator nextObject] ? NO : YES; } #else first = [cs objectAtIndex:0]; last = [cs lastObject]; if (![self hasPrefix:first]) return NO; if (![self hasSuffix:last]) return NO; /* to be completed (match interior stuff, match '?') */ return YES; #endif return NO; } - (BOOL)isCaseInsensitiveLike:(NSString *)_pattern { return [[self lowercaseString] isLike:[_pattern lowercaseString]]; } @end /* NSString(ImplementedQualifierComparisons) */ @implementation NSNumber(ImplementedQualifierComparisons) - (BOOL)isEqualTo:(id)_object { if (_object == nil) return NO; if (_object == self) return YES; return [self isEqual:_object]; } - (BOOL)isNotEqualTo:(id)_object { if (_object == nil) return YES; return ![self isEqualTo:_object]; } - (BOOL)isLessThan:(id)_object { if (_object == nil) return YES; if (_object == self) return NO; return [self compare:_object] < 0 ? YES : NO; } - (BOOL)isGreaterThan:(id)_object { if (_object == nil) return NO; if (_object == self) return NO; return [self compare:_object] > 0 ? YES : NO; } - (BOOL)isLessThanOrEqualTo:(id)_object { if (_object == nil) return YES; if (_object == self) return YES; return [self compare:_object] <= 0 ? YES : NO; } - (BOOL)isGreaterThanOrEqualTo:(id)_object { if (_object == nil) return NO; if (_object == self) return YES; return [self compare:_object] >= 0 ? YES : NO; } @end /* NSNumber(ImplementedQualifierComparisons) */ @implementation NSDate(ImplementedQualifierComparisons) #define CHECK_NULL(__VAL__, __RES__) \ {if (null == nil) null = [[EONull null] retain];} \ if (__VAL__ == nil || __VAL__ == null) return __RES__ - (BOOL)isLessThan:(id)_object { CHECK_NULL(_object, NO); return [self compare:_object] < 0 ? YES : NO; } - (BOOL)isGreaterThan:(id)_object { CHECK_NULL(_object, YES); return [self compare:_object] > 0 ? YES : NO; } - (BOOL)isLessThanOrEqualTo:(id)_object { CHECK_NULL(_object, NO); return [self compare:_object] <= 0 ? YES : NO; } - (BOOL)isGreaterThanOrEqualTo:(id)_object { CHECK_NULL(_object, YES); return [self compare:_object] >= 0 ? YES : NO; } @end /* NSDate(ImplementedQualifierComparisons) */