transmission/macosx/NSStringAdditions.mm

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// This file Copyright © 2005-2022 Transmission authors and contributors.
// It may be used under the MIT (SPDX: MIT) license.
// License text can be found in the licenses/ folder.
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#include <libtransmission/transmission.h>
#include <libtransmission/utils.h>
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#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
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@implementation NSString (NSStringAdditions)
+ (NSString*)ellipsis
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{
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return @"\xE2\x80\xA6";
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}
- (NSString*)stringByAppendingEllipsis
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{
return [self stringByAppendingString:NSString.ellipsis];
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}
#warning use localizedStringWithFormat: directly when 10.9-only and stringsdict translations are in place
+ (NSString*)formattedUInteger:(NSUInteger)value
{
return [NSString localizedStringWithFormat:@"%lu", value];
}
// Maximum supported localization is 9.22 EB, which is the maximum supported filesystem size by macOS, 8 EiB.
// https://developer.apple.com/library/archive/documentation/FileManagement/Conceptual/APFS_Guide/VolumeFormatComparison/VolumeFormatComparison.html
+ (NSString*)stringForFileSize:(uint64_t)size
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{
return [NSByteCountFormatter stringFromByteCount:size countStyle:NSByteCountFormatterCountStyleFile];
}
// Maximum supported localization is 9.22 EB, which is the maximum supported filesystem size by macOS, 8 EiB.
// https://developer.apple.com/library/archive/documentation/FileManagement/Conceptual/APFS_Guide/VolumeFormatComparison/VolumeFormatComparison.html
+ (NSString*)stringForFilePartialSize:(uint64_t)partialSize fullSize:(uint64_t)fullSize
{
NSByteCountFormatter* fileSizeFormatter = [[NSByteCountFormatter alloc] init];
NSString* fullString = [fileSizeFormatter stringFromByteCount:fullSize];
//figure out the magnitude 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];
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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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}
+ (NSString*)stringForSpeedAbbrev:(CGFloat)speed
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{
return [self stringForSpeed:speed kb:@"K" mb:@"M" gb:@"G"];
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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");
}
if ((int)ratio == TR_RATIO_INF)
{
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return @"\xE2\x88\x9E";
}
if (ratio < 10.0)
{
return [NSString localizedStringWithFormat:@"%.2f", tr_truncd(ratio, 2)];
}
if (ratio < 100.0)
{
return [NSString localizedStringWithFormat:@"%.1f", tr_truncd(ratio, 1)];
}
return [NSString localizedStringWithFormat:@"%.0f", tr_truncd(ratio, 0)];
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}
+ (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];
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}
- (NSArray<NSString*>*)nonEmptyComponentsSeparatedByCharactersInSet:(NSCharacterSet*)separators
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{
NSMutableArray<NSString*>* components = [NSMutableArray array];
for (NSString* evaluatedObject in [self componentsSeparatedByCharactersInSet:separators])
{
if (evaluatedObject.length > 0)
{
[components addObject:evaluatedObject];
}
}
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return components;
}
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@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