mirror of
https://github.com/transmission/transmission
synced 2024-12-26 17:47:37 +00:00
267 lines
9.5 KiB
Objective-C
267 lines
9.5 KiB
Objective-C
/******************************************************************************
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* $Id$
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*
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* Copyright (c) 2005-2012 Transmission authors and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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#import "NSStringAdditions.h"
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#import <transmission.h>
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#import "utils.h"
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@interface NSString (Private)
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+ (NSString *) stringForFileSize: (uint64_t) size showUnitUnless: (NSString *) notAllowedUnit
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unitsUsed: (NSString **) unitUsed;
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+ (NSString *) stringForSpeed: (CGFloat) speed kb: (NSString *) kb mb: (NSString *) mb gb: (NSString *) gb;
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@end
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@implementation NSString (NSStringAdditions)
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+ (NSString *) ellipsis
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{
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return [NSString stringWithUTF8String: "\xE2\x80\xA6"];
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}
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- (NSString *) stringByAppendingEllipsis
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{
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return [self stringByAppendingString: [NSString ellipsis]];
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}
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+ (NSString *) formattedUInteger: (NSUInteger) value
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{
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NSNumberFormatter * numberFormatter = [[[NSNumberFormatter alloc] init] autorelease];
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[numberFormatter setNumberStyle: NSNumberFormatterDecimalStyle];
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[numberFormatter setMaximumFractionDigits: 0];
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return [numberFormatter stringFromNumber: [NSNumber numberWithUnsignedInteger: value]];
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}
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+ (NSString *) stringForFileSize: (uint64_t) size
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{
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return [self stringForFileSize: size showUnitUnless: nil unitsUsed: nil];
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}
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+ (NSString *) stringForFilePartialSize: (uint64_t) partialSize fullSize: (uint64_t) fullSize
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{
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NSString * units;
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NSString * fullString = [self stringForFileSize: fullSize showUnitUnless: nil unitsUsed: &units];
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NSString * partialString = [self stringForFileSize: partialSize showUnitUnless: units unitsUsed: nil];
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return [NSString stringWithFormat: NSLocalizedString(@"%@ of %@", "file size string"), partialString, fullString];
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}
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+ (NSString *) stringForSpeed: (CGFloat) speed
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{
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return [self stringForSpeed: speed
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kb: NSLocalizedString(@"KB/s", "Transfer speed (kilobytes per second)")
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mb: NSLocalizedString(@"MB/s", "Transfer speed (megabytes per second)")
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gb: NSLocalizedString(@"GB/s", "Transfer speed (gigabytes per second)")];
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}
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+ (NSString *) stringForSpeedAbbrev: (CGFloat) speed
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{
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return [self stringForSpeed: speed kb: @"K" mb: @"M" gb: @"G"];
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}
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+ (NSString *) stringForRatio: (CGFloat) ratio
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{
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//N/A is different than libtransmission's
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if ((int)ratio == TR_RATIO_NA)
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return NSLocalizedString(@"N/A", "No Ratio");
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else if ((int)ratio == TR_RATIO_INF)
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return [NSString stringWithUTF8String: "\xE2\x88\x9E"];
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else
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{
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if (ratio < 10.0)
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return [NSString localizedStringWithFormat: @"%.2f", tr_truncd(ratio, 2)];
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else if (ratio < 100.0)
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return [NSString localizedStringWithFormat: @"%.1f", tr_truncd(ratio, 1)];
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else
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return [NSString localizedStringWithFormat: @"%.0f", tr_truncd(ratio, 0)];
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}
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}
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+ (NSString *) percentString: (CGFloat) progress longDecimals: (BOOL) longDecimals
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{
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if (progress >= 1.0)
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return @"100%";
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else if (longDecimals)
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return [NSString localizedStringWithFormat: @"%.2f%%", tr_truncd(progress * 100.0, 2)];
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else
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return [NSString localizedStringWithFormat: @"%.1f%%", tr_truncd(progress * 100.0, 1)];
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}
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+ (NSString *) timeString: (uint64_t) seconds showSeconds: (BOOL) showSeconds
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{
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return [NSString timeString: seconds showSeconds: showSeconds maxFields: NSUIntegerMax];
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}
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+ (NSString *) timeString: (uint64_t) seconds showSeconds: (BOOL) showSeconds maxFields: (NSUInteger) max
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{
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NSAssert(max > 0, @"Cannot generate a time string with no fields");
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NSMutableArray * timeArray = [NSMutableArray arrayWithCapacity: MIN(max, 5)];
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NSUInteger remaining = seconds; //causes problems for some users when it's a uint64_t
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if (seconds >= 31557600) //official amount of seconds in one year
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{
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const NSUInteger years = remaining / 31557600;
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if (years == 1)
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[timeArray addObject: NSLocalizedString(@"1 year", "time string")];
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else
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[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u years", "time string"), years]];
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remaining %= 31557600;
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--max;
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}
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if (max > 0 && seconds >= (24 * 60 * 60))
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{
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const NSUInteger days = remaining / (24 * 60 * 60);
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if (days == 1)
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[timeArray addObject: NSLocalizedString(@"1 day", "time string")];
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else
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[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u days", "time string"), days]];
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remaining %= (24 * 60 * 60);
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--max;
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}
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if (max > 0 && seconds >= (60 * 60))
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{
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[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u hr", "time string"), remaining / (60 * 60)]];
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remaining %= (60 * 60);
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--max;
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}
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if (max > 0 && (!showSeconds || seconds >= 60))
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{
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[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u min", "time string"), remaining / 60]];
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remaining %= 60;
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--max;
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}
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if (max > 0 && showSeconds)
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[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u sec", "time string"), remaining]];
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return [timeArray componentsJoinedByString: @" "];
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}
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- (NSComparisonResult) compareNumeric: (NSString *) string
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{
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const NSStringCompareOptions comparisonOptions = NSNumericSearch | NSForcedOrderingSearch;
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return [self compare: string options: comparisonOptions range: NSMakeRange(0, [self length]) locale: [NSLocale currentLocale]];
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}
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- (NSArray *) betterComponentsSeparatedByCharactersInSet: (NSCharacterSet *) separator
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{
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NSMutableArray * components = [NSMutableArray array];
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NSUInteger i = 0;
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while (i < [self length])
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{
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const NSRange range = [self rangeOfCharacterFromSet: separator options: 0 range: NSMakeRange(i, [self length]-i)];
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if (range.location == NSNotFound)
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{
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[components addObject: [self substringFromIndex: i]];
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break;
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}
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else if (range.location != i)
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{
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const NSUInteger length = range.location - i;
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[components addObject: [self substringWithRange: NSMakeRange(i, length)]];
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i += length;
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}
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i += range.length;
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}
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return components;
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}
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@end
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@implementation NSString (Private)
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+ (NSString *) stringForFileSize: (uint64_t) size showUnitUnless: (NSString *) notAllowedUnit
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unitsUsed: (NSString **) unitUsed
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{
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double convertedSize;
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NSString * unit;
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NSUInteger decimals;
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if (size < pow(1000, 2))
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{
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convertedSize = size / 1000.0;
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unit = NSLocalizedString(@"KB", "File size - kilobytes");
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decimals = convertedSize >= 10.0 ? 0 : 1;
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}
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else if (size < pow(1000, 3))
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{
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convertedSize = size / powf(1000.0, 2);
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unit = NSLocalizedString(@"MB", "File size - megabytes");
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decimals = 1;
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}
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else if (size < pow(1000, 4))
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{
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convertedSize = size / powf(1000.0, 3);
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unit = NSLocalizedString(@"GB", "File size - gigabytes");
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decimals = 2;
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}
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else
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{
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convertedSize = size / powf(1000.0, 4);
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unit = NSLocalizedString(@"TB", "File size - terabytes");
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decimals = 3; //guessing on this one
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}
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//match Finder's behavior
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NSNumberFormatter * numberFormatter = [[NSNumberFormatter alloc] init];
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[numberFormatter setNumberStyle: NSNumberFormatterDecimalStyle];
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[numberFormatter setMinimumFractionDigits: 0];
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[numberFormatter setMaximumFractionDigits: decimals];
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NSString * fileSizeString = [numberFormatter stringFromNumber: [NSNumber numberWithFloat: convertedSize]];
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[numberFormatter release];
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if (!notAllowedUnit || ![unit isEqualToString: notAllowedUnit])
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fileSizeString = [fileSizeString stringByAppendingFormat: @" %@", unit];
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if (unitUsed)
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*unitUsed = unit;
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return fileSizeString;
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}
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+ (NSString *) stringForSpeed: (CGFloat) speed kb: (NSString *) kb mb: (NSString *) mb gb: (NSString *) gb
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{
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if (speed <= 999.95) //0.0 KB/s to 999.9 KB/s
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return [NSString localizedStringWithFormat: @"%.1f %@", speed, kb];
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speed /= 1000.0;
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if (speed <= 99.995) //1.00 MB/s to 99.99 MB/s
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return [NSString localizedStringWithFormat: @"%.2f %@", speed, mb];
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else if (speed <= 999.95) //100.0 MB/s to 999.9 MB/s
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return [NSString localizedStringWithFormat: @"%.1f %@", speed, mb];
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else //insane speeds
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return [NSString localizedStringWithFormat: @"%.2f %@", (speed / 1000.0), gb];
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}
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@end
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