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transmission/macosx/NSStringAdditions.mm

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/******************************************************************************
* Copyright (c) 2005-2019 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.
*****************************************************************************/
#include <libtransmission/transmission.h>
#include <libtransmission/utils.h>
#import "NSApplicationAdditions.h"
#import "NSStringAdditions.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 @"\xE2\x80\xA6";
}
- (NSString*)stringByAppendingEllipsis
{
return [self stringByAppendingString:NSString.ellipsis];
}
#warning use localizedStringWithFormat: directly when 10.9-only and stringsdict translations are in place
+ (NSString*)formattedUInteger:(NSUInteger)value
{
return [NSString localizedStringWithFormat:@"%lu", value];
}
#warning should we take long long instead?
+ (NSString*)stringForFileSize:(uint64_t)size
{
return [NSByteCountFormatter stringFromByteCount:size countStyle:NSByteCountFormatterCountStyleFile];
}
#warning should we take long long instead?
+ (NSString*)stringForFilePartialSize:(uint64_t)partialSize fullSize:(uint64_t)fullSize
{
NSByteCountFormatter* fileSizeFormatter = [[NSByteCountFormatter alloc] init];
NSString* 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
{
unsigned int const magnitudePartial = log(partialSize) / log(1000);
// we have to catch 0 with a special case, so might as well avoid the math for all of magnitude 0
unsigned int const magnitudeFull = fullSize < 1000 ? 0 : log(fullSize) / log(1000);
partialUnitsSame = magnitudePartial == magnitudeFull;
}
fileSizeFormatter.includesUnit = !partialUnitsSame;
NSString* partialString = [fileSizeFormatter stringFromByteCount:partialSize];
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 @"\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)];
}
}
- (NSComparisonResult)compareNumeric:(NSString*)string
{
NSStringCompareOptions const 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;
NSUInteger const fullLength = self.length;
do
{
NSUInteger const start = [self rangeOfCharacterFromSet:includededCharSet options:0
range:NSMakeRange(index, fullLength - index)]
.location;
if (start == NSNotFound)
{
break;
}
NSRange const 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.numberStyle = NSNumberFormatterDecimalStyle;
numberFormatter.minimumFractionDigits = 0;
numberFormatter.maximumFractionDigits = decimals;
NSString* fileSizeString = [numberFormatter stringFromNumber:@(convertedSize)];
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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