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transmission/macosx/NSStringAdditions.m

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/******************************************************************************
* $Id$
*
* Copyright (c) 2005-2012 Transmission authors and contributors
*
* 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 "NSApplicationAdditions.h"
#import "NSStringAdditions.h"
#import "transmission.h"
#import "utils.h"
@interface NSString (Private)
+ (NSString *) stringForFileSizeLion: (uint64_t) size showUnitUnless: (NSString *) notAllowedUnit unitsUsed: (NSString **) unitUsed;
+ (NSString *) stringForSpeed: (CGFloat) speed kb: (NSString *) kb mb: (NSString *) mb gb: (NSString *) gb;
@end
@implementation NSString (NSStringAdditions)
+ (NSString *) ellipsis
{
return [NSString stringWithUTF8String: "\xE2\x80\xA6"];
}
- (NSString *) stringByAppendingEllipsis
{
return [self stringByAppendingString: [NSString ellipsis]];
}
#warning use localizedStringWithFormat: directly when 10.8-only
+ (NSString *) formattedUInteger: (NSUInteger) value
{
if ([NSApp isOnMountainLionOrBetter])
return [NSString localizedStringWithFormat: @"%lu", value];
else
{
static NSNumberFormatter * numberFormatter;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
numberFormatter = [[NSNumberFormatter alloc] init];
[numberFormatter setNumberStyle: NSNumberFormatterDecimalStyle];
[numberFormatter setMaximumFractionDigits: 0];
});
return [numberFormatter stringFromNumber: [NSNumber numberWithUnsignedInteger: value]];
}
}
#warning should we take long long instead?
+ (NSString *) stringForFileSize: (uint64_t) size
{
if ([NSApp isOnMountainLionOrBetter])
return [NSByteCountFormatterMtLion stringFromByteCount: size countStyle: NSByteCountFormatterCountStyleFile];
else
return [self stringForFileSizeLion: size showUnitUnless: nil unitsUsed: nil];
}
#warning should we take long long instead?
+ (NSString *) stringForFilePartialSize: (uint64_t) partialSize fullSize: (uint64_t) fullSize
{
NSString * partialString, * fullString;
if ([NSApp isOnMountainLionOrBetter])
{
NSByteCountFormatter * fileSizeFormatter = [[NSByteCountFormatterMtLion alloc] init];
fullString = [fileSizeFormatter stringFromByteCount: fullSize];
//figure out the magniture of the two, since we can't rely on comparing the units because of localization and pluralization issues (for example, "1 byte of 2 bytes")
BOOL partialUnitsSame;
if (partialSize == 0)
partialUnitsSame = YES; //we want to just show "0" when we have no partial data, so always set to the same units
else
{
const unsigned int magnitudePartial = log(partialSize)/log(1000);
const unsigned int magnitudeFull = fullSize < 1000 ? 0 : log(fullSize)/log(1000); //we have to catch 0 with a special case, so might as well avoid the math for all of magnitude 0
partialUnitsSame = magnitudePartial == magnitudeFull;
}
[fileSizeFormatter setIncludesUnit: !partialUnitsSame];
partialString = [fileSizeFormatter stringFromByteCount: partialSize];
[fileSizeFormatter release];
}
else
{
NSString * units;
fullString = [self stringForFileSizeLion: fullSize showUnitUnless: nil unitsUsed: &units];
partialString = [self stringForFileSizeLion: partialSize showUnitUnless: units unitsUsed: nil];
}
return [NSString stringWithFormat: NSLocalizedString(@"%@ of %@", "file size string"), partialString, fullString];
}
+ (NSString *) stringForSpeed: (CGFloat) speed
{
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)")];
}
+ (NSString *) stringForSpeedAbbrev: (CGFloat) speed
{
return [self stringForSpeed: speed kb: @"K" mb: @"M" gb: @"G"];
}
+ (NSString *) stringForRatio: (CGFloat) ratio
{
//N/A is different than libtransmission's
if ((int)ratio == TR_RATIO_NA)
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)];
}
}
+ (NSString *) percentString: (CGFloat) progress longDecimals: (BOOL) longDecimals
{
if (progress >= 1.0)
return [NSString localizedStringWithFormat: @"%d%%", 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 includesTimeRemainingPhrase: (BOOL) includesTimeRemainingPhrase showSeconds: (BOOL) showSeconds
{
return [NSString timeString: seconds
includesTimeRemainingPhrase: includesTimeRemainingPhrase
showSeconds: showSeconds
maxFields: NSUIntegerMax];
}
+ (NSString *) timeString: (uint64_t) seconds includesTimeRemainingPhrase: (BOOL) includesTimeRemainingPhrase showSeconds: (BOOL) showSeconds maxFields: (NSUInteger) max
{
NSAssert(![NSApp isOnYosemiteOrBetter], @"you should be using NSDateComponentsFormatter on >= 10.10");
NSParameterAssert(max > 0);
NSMutableArray * timeArray = [NSMutableArray arrayWithCapacity: MIN(max, 5)];
NSUInteger remaining = seconds; //causes problems for some users when it's a uint64_t
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]];
remaining %= (24 * 60 * 60);
--max;
}
if (max > 0 && seconds >= (60 * 60))
{
[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u hr", "time string"), remaining / (60 * 60)]];
remaining %= (60 * 60);
--max;
}
if (max > 0 && (!showSeconds || seconds >= 60))
{
[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u min", "time string"), remaining / 60]];
remaining %= 60;
--max;
}
if (max > 0 && showSeconds)
[timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u sec", "time string"), remaining]];
NSString * timeString = [timeArray componentsJoinedByString: @" "];
if (includesTimeRemainingPhrase) {
timeString = [NSString stringWithFormat: NSLocalizedString(@"%@ remaining", "time remaining string"), timeString];
}
return timeString;
}
- (NSComparisonResult) compareNumeric: (NSString *) string
{
const NSStringCompareOptions comparisonOptions = NSNumericSearch | NSForcedOrderingSearch;
return [self compare: string options: comparisonOptions range: NSMakeRange(0, [self length]) locale: [NSLocale currentLocale]];
}
- (NSArray *) betterComponentsSeparatedByCharactersInSet: (NSCharacterSet *) separators
{
NSMutableArray * components = [NSMutableArray array];
NSCharacterSet * includededCharSet = [separators invertedSet];
NSUInteger index = 0;
const NSUInteger fullLength = [self length];
do
{
const NSUInteger start = [self rangeOfCharacterFromSet: includededCharSet options: 0 range: NSMakeRange(index, fullLength - index)].location;
if (start == NSNotFound)
break;
const NSRange endRange = [self rangeOfCharacterFromSet: separators options: 0 range: NSMakeRange(start, fullLength - start)];
if (endRange.location == NSNotFound)
{
[components addObject: [self substringFromIndex: start]];
break;
}
[components addObject: [self substringWithRange: NSMakeRange(start, endRange.location - start)]];
index = NSMaxRange(endRange);
}
while (YES);
return components;
}
@end
@implementation NSString (Private)
+ (NSString *) stringForFileSizeLion: (uint64_t) size showUnitUnless: (NSString *) notAllowedUnit unitsUsed: (NSString **) unitUsed
{
double convertedSize;
NSString * unit;
NSUInteger decimals;
if (size < pow(1000, 2))
{
convertedSize = size / 1000.0;
unit = NSLocalizedString(@"KB", "File size - kilobytes");
decimals = convertedSize >= 10.0 ? 0 : 1;
}
else if (size < pow(1000, 3))
{
convertedSize = size / powf(1000.0, 2);
unit = NSLocalizedString(@"MB", "File size - megabytes");
decimals = 1;
}
else if (size < pow(1000, 4))
{
convertedSize = size / powf(1000.0, 3);
unit = NSLocalizedString(@"GB", "File size - gigabytes");
decimals = 2;
}
else
{
convertedSize = size / powf(1000.0, 4);
unit = NSLocalizedString(@"TB", "File size - terabytes");
decimals = 2;
}
//match Finder's behavior
NSNumberFormatter * numberFormatter = [[NSNumberFormatter alloc] init];
[numberFormatter setNumberStyle: NSNumberFormatterDecimalStyle];
[numberFormatter setMinimumFractionDigits: 0];
[numberFormatter setMaximumFractionDigits: decimals];
NSString * fileSizeString = [numberFormatter stringFromNumber: [NSNumber numberWithFloat: convertedSize]];
[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
{
if (speed <= 999.95) //0.0 KB/s to 999.9 KB/s
return [NSString localizedStringWithFormat: @"%.1f %@", speed, kb];
speed /= 1000.0;
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 / 1000.0), gb];
}
@end
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