//
//  $Id$
//
//  SPArrayAdditions.m
//  sequel-pro
//
//  Created by Jakob Egger on March 24, 2009
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//  More info at <http://code.google.com/p/sequel-pro/>

#import "SPArrayAdditions.h"
#import "SPStringAdditions.h"

@implementation NSArray (SPArrayAdditions)

- (NSString *)componentsJoinedAndBacktickQuoted;
/*
 * This method quotes all elements with backticks and then joins them with
 * commas. Use it for field lists as in "SELECT (...) FROM somewhere"
 */
{
    NSString *result = [NSString string];
    for (NSString *component in self)
    {
        if ([result length]) result = [result stringByAppendingString: @","];
        result = [result stringByAppendingString: [component backtickQuotedString] ];
    }
    return result;
}

- (NSArray *)subarrayWithIndexes:(NSIndexSet *)indexes
{
	NSMutableArray *subArray  = [NSMutableArray arrayWithCapacity:[indexes count]];
	unsigned count = [self count];

	unsigned index = [indexes firstIndex];
	while ( index != NSNotFound )
	{
		if ( index < count )
			[subArray addObject: [self objectAtIndex: index]];

		index = [indexes indexGreaterThanIndex: index];
	}

	return subArray;
}

@end