transmission/macosx/NSStringAdditions.m

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2007-09-16 01:02:06 +00:00
/******************************************************************************
* $Id: StringAdditions.m 2869 2007-08-19 03:03:28Z livings124 $
*
* Copyright (c) 2005-2007 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 "NSStringAdditions.h"
#import <transmission.h>
@implementation NSString (NSStringAdditions)
+ (NSString *) ellipsis
{
return [NSString stringWithUTF8String: "\xE2\x80\xA6"];
}
- (NSString *) stringByAppendingEllipsis
{
return [self stringByAppendingString: [NSString ellipsis]];
}
+ (NSString *) stringForFileSize: (uint64_t) size
{
if (size < 1024)
return [NSString stringWithFormat: NSLocalizedString(@"%lld bytes", "File size"), size];
float convertedSize;
NSString * unit;
if (size < 1048576)
{
convertedSize = size / 1024.0;
unit = NSLocalizedString(@"KB", "File size");
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}
else if (size < 1073741824)
{
convertedSize = size / 1048576.0;
unit = NSLocalizedString(@"MB", "File size");
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}
else if (size < 1099511627776.0)
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{
convertedSize = size / 1073741824.0;
unit = NSLocalizedString(@"GB", "File size");
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}
else
{
convertedSize = size / 1099511627776.0;
unit = NSLocalizedString(@"TB", "File size");
}
//attempt to have minimum of 3 digits with at least 1 decimal
return [NSString stringWithFormat: convertedSize < 10.0 ? @"%.2f %@" : @"%.1f %@", convertedSize, unit];
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}
+ (NSString *) stringForSpeed: (float) speed
{
if (speed < 0)
return NSLocalizedString(@"error", "Transfer speed invalid");
return [[self stringForSpeedAbbrev: speed] stringByAppendingString:
NSLocalizedString(@"B/s", "Transfer speed (Bytes per second)")];
}
+ (NSString *) stringForSpeedAbbrev: (float) speed
{
if (speed < 0)
return NSLocalizedString(@"error", "Transfer speed invalid");
if (speed < 1000.0) //0.0 K to 999.9 K
return [NSString stringWithFormat: @"%.1f K", speed];
else if (speed < 102400.0) //0.98 M to 99.99 M
return [NSString stringWithFormat: @"%.2f M", speed / 1024.0];
else if (speed < 1024000.0) //100.0 M to 999.9 M
return [NSString stringWithFormat: @"%.1f M", speed / 1024.0];
else //insane speeds
return [NSString stringWithFormat: @"%.2f G", speed / 1048576.0];
}
+ (NSString *) stringForRatio: (float) ratio
{
if (ratio == TR_RATIO_NA)
return NSLocalizedString(@"N/A", "No Ratio");
else if (ratio < 0)
return NSLocalizedString(@"error", "Ratio invalid");
else;
if (ratio < 10.0)
return [NSString stringWithFormat: @"%.2f", ratio];
else if (ratio < 100.0)
return [NSString stringWithFormat: @"%.1f", ratio];
else
return [NSString stringWithFormat: @"%.0f", ratio];
}
- (NSComparisonResult) compareIP: (NSString *) string
{
NSArray * selfSections = [self componentsSeparatedByString: @"."],
* newSections = [string componentsSeparatedByString: @"."];
if ([selfSections count] != [newSections count])
return [selfSections count] > [newSections count] ? NSOrderedDescending : NSOrderedAscending;
NSEnumerator * selfSectionsEnum = [selfSections objectEnumerator], * newSectionsEnum = [newSections objectEnumerator];
NSString * selfString, * newString;
NSComparisonResult result;
while ((selfString = [selfSectionsEnum nextObject]) && (newString = [newSectionsEnum nextObject]))
if ((result = [selfString compare: newString options: NSNumericSearch]) != NSOrderedSame)
return result;
return NSOrderedSame;
}
@end