cog/Spotlight/NSComparisonPredicate+CogPr...

//
//  NSComparisonPredicate+CogPredicate.m
//  Cog
//
//  Created by Matthew Grinshpun on 14/02/08.
//  Copyright 2008 __MyCompanyName__. All rights reserved.
//

#import "NSComparisonPredicate+CogPredicate.h"

// Ignore case and diacritics
static const unsigned OPTIONS = (NSCaseInsensitivePredicateOption|
                                 NSDiacriticInsensitivePredicateOption);

@implementation NSComparisonPredicate (CogPredicate)

+ (NSPredicate*)predicateForMdKey:(NSString *)key
                       withString:(NSString *)aString
                      exactString:(BOOL)exactString
{
    // We don't want an exact string, so wrap it in wildcards
    if(!exactString)
        aString = [NSString stringWithFormat:@"*%@*", aString];
        
    return [NSComparisonPredicate
        predicateWithLeftExpression:[NSExpression expressionForKeyPath:key]
                    rightExpression:[NSExpression expressionForConstantValue:aString]
                           modifier:NSDirectPredicateModifier
                               type:NSLikePredicateOperatorType
                            options:OPTIONS];
}

@end
Cleaned up the Spotlight code considerably and added the ability to do simple searches for artist, album and title using %a, %l and %t respectively. For example searching "%awaits" will return all tracks by Tom Waits, etc... 2008-02-14 14:07:10 +00:00			`//`
			`// NSComparisonPredicate+CogPredicate.m`
			`// Cog`
			`//`
			`// Created by Matthew Grinshpun on 14/02/08.`
			`// Copyright 2008 __MyCompanyName__. All rights reserved.`
			`//`

			`#import "NSComparisonPredicate+CogPredicate.h"`

			`// Ignore case and diacritics`
			`static const unsigned OPTIONS = (NSCaseInsensitivePredicateOption\|`
			`NSDiacriticInsensitivePredicateOption);`

			`@implementation NSComparisonPredicate (CogPredicate)`

Spotlight can do exact searches using quotation marks, IE %a"tom waits" will do a case insensitive search for all music by Tom Waits 2008-02-14 17:48:32 +00:00			`+ (NSPredicate)predicateForMdKey:(NSString )key`
			`withString:(NSString *)aString`
			`exactString:(BOOL)exactString`
Cleaned up the Spotlight code considerably and added the ability to do simple searches for artist, album and title using %a, %l and %t respectively. For example searching "%awaits" will return all tracks by Tom Waits, etc... 2008-02-14 14:07:10 +00:00			`{`
Spotlight can do exact searches using quotation marks, IE %a"tom waits" will do a case insensitive search for all music by Tom Waits 2008-02-14 17:48:32 +00:00			`// We don't want an exact string, so wrap it in wildcards`
			`if(!exactString)`
			`aString = [NSString stringWithFormat:@"%@", aString];`

Cleaned up the Spotlight code considerably and added the ability to do simple searches for artist, album and title using %a, %l and %t respectively. For example searching "%awaits" will return all tracks by Tom Waits, etc... 2008-02-14 14:07:10 +00:00			`return [NSComparisonPredicate`
			`predicateWithLeftExpression:[NSExpression expressionForKeyPath:key]`
Spotlight can do exact searches using quotation marks, IE %a"tom waits" will do a case insensitive search for all music by Tom Waits 2008-02-14 17:48:32 +00:00			`rightExpression:[NSExpression expressionForConstantValue:aString]`
Cleaned up the Spotlight code considerably and added the ability to do simple searches for artist, album and title using %a, %l and %t respectively. For example searching "%awaits" will return all tracks by Tom Waits, etc... 2008-02-14 14:07:10 +00:00			`modifier:NSDirectPredicateModifier`
			`type:NSLikePredicateOperatorType`
			`options:OPTIONS];`
			`}`

Spotlight can do exact searches using quotation marks, IE %a"tom waits" will do a case insensitive search for all music by Tom Waits 2008-02-14 17:48:32 +00:00			`@end`