source: trunk/macosx/NSStringAdditions.m @ 8029

Last change on this file since 8029 was 8029, checked in by livings124, 13 years ago

#1881: Displayed ratio should be truncated, not rounded (Mac)

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File size: 5.7 KB
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1/******************************************************************************
2 * $Id: NSStringAdditions.m 8029 2009-03-05 04:59:24Z livings124 $
3 *
4 * Copyright (c) 2005-2009 Transmission authors and contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *****************************************************************************/
24
25#import "NSStringAdditions.h"
26#import "utils.h"
27#import <transmission.h>
28
29@implementation NSString (NSStringAdditions)
30
31+ (NSString *) ellipsis
32{
33        return [NSString stringWithUTF8String: "\xE2\x80\xA6"];
34}
35
36- (NSString *) stringByAppendingEllipsis
37{
38        return [self stringByAppendingString: [NSString ellipsis]];
39}
40
41+ (NSString *) stringForFileSize: (uint64_t) size
42{
43    if (size < 1024)
44        return [NSString stringWithFormat: @"%lld %@", size, NSLocalizedString(@"bytes", "File size - bytes")];
45
46    CGFloat convertedSize;
47    NSString * unit;
48    if (size < pow(1024, 2))
49    {
50        convertedSize = size / 1024.0f;
51        unit = NSLocalizedString(@"KB", "File size - kilobytes");
52    }
53    else if (size < pow(1024, 3))
54    {
55        convertedSize = size / powf(1024.0f, 2.0f);
56        unit = NSLocalizedString(@"MB", "File size - megabytes");
57    }
58    else if (size < pow(1024, 4))
59    {
60        convertedSize = size / powf(1024.0f, 3.0f);
61        unit = NSLocalizedString(@"GB", "File size - gigabytes");
62    }
63    else
64    {
65        convertedSize = size / powf(1024.0f, 4.0f);
66        unit = NSLocalizedString(@"TB", "File size - terabytes");
67    }
68   
69    //attempt to have minimum of 3 digits with at least 1 decimal
70    return convertedSize <= 9.995f ? [NSString localizedStringWithFormat: @"%.2f %@", convertedSize, unit]
71                                : [NSString localizedStringWithFormat: @"%.1f %@", convertedSize, unit];
72}
73
74+ (NSString *) stringForSpeed: (CGFloat) speed
75{
76    return [[self stringForSpeedAbbrev: speed] stringByAppendingString: NSLocalizedString(@"B/s", "Transfer speed (Bytes per second)")];
77}
78
79+ (NSString *) stringForSpeedAbbrev: (CGFloat) speed
80{
81    if (speed <= 999.95f) //0.0 K to 999.9 K
82        return [NSString localizedStringWithFormat: @"%.1f K", speed];
83   
84    speed /= 1024.0f;
85   
86    if (speed <= 99.995f) //0.98 M to 99.99 M
87        return [NSString localizedStringWithFormat: @"%.2f M", speed];
88    else if (speed <= 999.95f) //100.0 M to 999.9 M
89        return [NSString localizedStringWithFormat: @"%.1f M", speed];
90    else //insane speeds
91        return [NSString localizedStringWithFormat: @"%.2f G", (speed / 1024.0f)];
92}
93
94+ (NSString *) stringForRatio: (CGFloat) ratio
95{
96    //N/A is different than libtransmission's
97    if (ratio == TR_RATIO_NA)
98        return NSLocalizedString(@"N/A", "No Ratio");
99   
100    char buf[50];
101    return [NSString stringWithUTF8String: tr_strratio(buf, sizeof(buf), ratio, "\xE2\x88\x9E")];
102}
103
104+ (NSString *) timeString: (uint64_t) seconds showSeconds: (BOOL) showSeconds
105{
106    return [NSString timeString: seconds showSeconds: showSeconds maxFields: NSUIntegerMax];
107}
108
109+ (NSString *) timeString: (uint64_t) seconds showSeconds: (BOOL) showSeconds maxFields: (NSUInteger) max
110{
111    NSMutableArray * timeArray = [NSMutableArray arrayWithCapacity: MIN(max, 4)];
112    NSUInteger remaining = seconds;
113   
114    if (max > 0 && seconds >= (24 * 60 * 60))
115    {
116        NSUInteger days = remaining / (24 * 60 * 60);
117        if (days == 1)
118            [timeArray addObject: NSLocalizedString(@"1 day", "time string")];
119        else
120            [timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u days", "time string"), days]];
121        remaining %= (24 * 60 * 60);
122        max--;
123    }
124    if (max > 0 && seconds >= (60 * 60))
125    {
126        [timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u hr", "time string"), remaining / (60 * 60)]];
127        remaining %= (60 * 60);
128        max--;
129    }
130    if (max > 0 && (!showSeconds || seconds >= 60))
131    {
132        [timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u min", "time string"), remaining / 60]];
133        remaining %= 60;
134        max--;
135    }
136    if (max > 0 && showSeconds)
137        [timeArray addObject: [NSString stringWithFormat: NSLocalizedString(@"%u sec", "time string"), remaining]];
138   
139    return [timeArray componentsJoinedByString: @" "];
140}
141
142- (NSComparisonResult) compareFinder: (NSString *) string
143{
144    const NSInteger comparisonOptions = NSCaseInsensitiveSearch | NSNumericSearch | NSWidthInsensitiveSearch | NSForcedOrderingSearch;
145    return [self compare: string options: comparisonOptions range: NSMakeRange(0, [self length]) locale: [NSLocale currentLocale]];
146}
147
148- (NSComparisonResult) compareNumeric: (NSString *) string
149{
150    const NSInteger comparisonOptions = NSNumericSearch | NSForcedOrderingSearch;
151    return [self compare: string options: comparisonOptions range: NSMakeRange(0, [self length]) locale: [NSLocale currentLocale]];
152}
153
154@end
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