transmission/macosx/NSStringAdditions.m

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/******************************************************************************
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* $Id$
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*
* Copyright (c) 2005-2011 Transmission authors and contributors
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*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#import "NSStringAdditions.h"
#import "NSApplicationAdditions.h"
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#import <transmission.h>
#import "utils.h"
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@interface NSString (Private)
+ (NSString *) stringForFileSize: (uint64_t) size showUnitUnless: (NSString *) notAllowedUnit
unitsUsed: (NSString **) unitUsed;
+ (NSString *) stringForSpeed: (CGFloat) speed kb: (NSString *) kb mb: (NSString *) mb gb: (NSString *) gb;
@end
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@implementation NSString (NSStringAdditions)
+ (NSString *) ellipsis
{
return [NSString stringWithUTF8String: "\xE2\x80\xA6"];
}
- (NSString *) stringByAppendingEllipsis
{
return [self stringByAppendingString: [NSString ellipsis]];
}
+ (NSString *) formattedUInteger: (NSUInteger) value
{
NSNumberFormatter * numberFormatter = [[[NSNumberFormatter alloc] init] autorelease];
[numberFormatter setNumberStyle: NSNumberFormatterDecimalStyle];
[numberFormatter setMaximumFractionDigits: 0];
return [numberFormatter stringFromNumber: [NSNumber numberWithUnsignedInteger: value]];
}
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+ (NSString *) stringForFileSize: (uint64_t) size
{
return [self stringForFileSize: size showUnitUnless: nil unitsUsed: nil];
}
+ (NSString *) stringForFilePartialSize: (uint64_t) partialSize fullSize: (uint64_t) fullSize
{
NSString * units;
NSString * fullString = [self stringForFileSize: fullSize showUnitUnless: nil unitsUsed: &units];
NSString * partialString = [self stringForFileSize: partialSize showUnitUnless: units unitsUsed: nil];
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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{
return [self stringForSpeed: speed
kb: NSLocalizedString(@"KB/s", "Transfer speed (kilobytes per second)")
mb: NSLocalizedString(@"MB/s", "Transfer speed (megabytes per second)")
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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{
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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{
//N/A is different than libtransmission's
if ((int)ratio == TR_RATIO_NA)
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return NSLocalizedString(@"N/A", "No Ratio");
else if ((int)ratio == TR_RATIO_INF)
return [NSString stringWithUTF8String: "\xE2\x88\x9E"];
else
{
if (ratio < 10.0)
return [NSString localizedStringWithFormat: @"%.2f", tr_truncd(ratio, 2)];
else if (ratio < 100.0)
return [NSString localizedStringWithFormat: @"%.1f", tr_truncd(ratio, 1)];
else
return [NSString localizedStringWithFormat: @"%.0f", tr_truncd(ratio, 0)];
}
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}
+ (NSString *) percentString: (CGFloat) progress longDecimals: (BOOL) longDecimals
{
if (progress >= 1.0)
return @"100%";
else if (longDecimals)
return [NSString localizedStringWithFormat: @"%.2f%%", tr_truncd(progress * 100.0, 2)];
else
return [NSString localizedStringWithFormat: @"%.1f%%", tr_truncd(progress * 100.0, 1)];
}
+ (NSString *) timeString: (uint64_t) seconds showSeconds: (BOOL) showSeconds
{
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return [NSString timeString: seconds showSeconds: showSeconds maxFields: NSUIntegerMax];
}
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+ (NSString *) timeString: (uint64_t) seconds showSeconds: (BOOL) showSeconds maxFields: (NSUInteger) max
{
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
{
const NSUInteger years = remaining / 31557600;
if (years == 1)
[timeArray addObject: NSLocalizedString(@"1 year", "time string")];
else
[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u years", "time string"), years]];
remaining %= 31557600;
--max;
}
if (max > 0 && seconds >= (24 * 60 * 60))
{
const NSUInteger days = remaining / (24 * 60 * 60);
if (days == 1)
[timeArray addObject: NSLocalizedString(@"1 day", "time string")];
else
[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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if (max > 0 && seconds >= (60 * 60))
{
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[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u hr", "time string"), remaining / (60 * 60)]];
remaining %= (60 * 60);
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--max;
}
if (max > 0 && (!showSeconds || seconds >= 60))
{
[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u min", "time string"), remaining / 60]];
remaining %= 60;
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--max;
}
if (max > 0 && showSeconds)
[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u sec", "time string"), remaining]];
return [timeArray componentsJoinedByString: @" "];
}
//also used in InfoWindow.xib and MessageWindow.xib
- (NSComparisonResult) compareFinder: (NSString *) string
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{
if ([NSApp isOnSnowLeopardOrBetter])
return [self localizedStandardCompare: string];
else
{
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const NSStringCompareOptions comparisonOptions = NSCaseInsensitiveSearch | NSNumericSearch | NSWidthInsensitiveSearch
| NSForcedOrderingSearch;
return [self compare: string options: comparisonOptions range: NSMakeRange(0, [self length]) locale: [NSLocale currentLocale]];
}
}
- (NSComparisonResult) compareNumeric: (NSString *) string
{
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const NSStringCompareOptions comparisonOptions = NSNumericSearch | NSForcedOrderingSearch;
return [self compare: string options: comparisonOptions range: NSMakeRange(0, [self length]) locale: [NSLocale currentLocale]];
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}
@end
@implementation NSString (Private)
+ (NSString *) stringForFileSize: (uint64_t) size showUnitUnless: (NSString *) notAllowedUnit
unitsUsed: (NSString **) unitUsed
{
const float baseFloat = [NSApp isOnSnowLeopardOrBetter] ? 1000.0 : 1024.0;
const NSUInteger baseInt = [NSApp isOnSnowLeopardOrBetter] ? 1000 : 1024;
double convertedSize;
NSString * unit;
NSUInteger decimals;
if (size < pow(baseInt, 2))
{
convertedSize = size / baseFloat;
unit = NSLocalizedString(@"KB", "File size - kilobytes");
decimals = convertedSize >= 10.0 ? 0 : 1;
}
else if (size < pow(baseInt, 3))
{
convertedSize = size / powf(baseFloat, 2);
unit = NSLocalizedString(@"MB", "File size - megabytes");
decimals = 1;
}
else if (size < pow(baseInt, 4))
{
convertedSize = size / powf(baseFloat, 3);
unit = NSLocalizedString(@"GB", "File size - gigabytes");
decimals = 2;
}
else
{
convertedSize = size / powf(baseFloat, 4);
unit = NSLocalizedString(@"TB", "File size - terabytes");
decimals = 3; //guessing on this one
}
//match Finder's behavior
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NSNumberFormatter * numberFormatter = [[NSNumberFormatter alloc] init];
[numberFormatter setNumberStyle: NSNumberFormatterDecimalStyle];
[numberFormatter setMinimumFractionDigits: 0];
[numberFormatter setMaximumFractionDigits: decimals];
NSString * fileSizeString = [numberFormatter stringFromNumber: [NSNumber numberWithFloat: convertedSize]];
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[numberFormatter release];
if (!notAllowedUnit || ![unit isEqualToString: notAllowedUnit])
fileSizeString = [fileSizeString stringByAppendingFormat: @" %@", unit];
if (unitUsed)
*unitUsed = unit;
return fileSizeString;
}
+ (NSString *) stringForSpeed: (CGFloat) speed kb: (NSString *) kb mb: (NSString *) mb gb: (NSString *) gb
{
const CGFloat baseFloat = [NSApp isOnSnowLeopardOrBetter] ? 1000.0 : 1024.0;
if (speed <= 999.95) //0.0 KB/s to 999.9 KB/s
return [NSString localizedStringWithFormat: @"%.1f %@", speed, kb];
speed /= baseFloat;
if (speed <= 99.995) //1.00 MB/s to 99.99 MB/s
return [NSString localizedStringWithFormat: @"%.2f %@", speed, mb];
else if (speed <= 999.95) //100.0 MB/s to 999.9 MB/s
return [NSString localizedStringWithFormat: @"%.1f %@", speed, mb];
else //insane speeds
return [NSString localizedStringWithFormat: @"%.2f %@", (speed / baseFloat), gb];
}
@end