source: trunk/macosx/StringAdditions.m @ 1478

Last change on this file since 1478 was 1478, checked in by livings124, 15 years ago

get rid of unnecessary comparison

  • Property svn:keywords set to Date Rev Author Id
File size: 4.7 KB
Line 
1/******************************************************************************
2 * $Id: StringAdditions.m 1478 2007-02-09 12:52:32Z livings124 $
3 *
4 * Copyright (c) 2005-2006 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 "StringAdditions.h"
26#import <transmission.h>
27
28@implementation NSString (StringAdditions)
29
30+ (NSString *) ellipsis
31{
32        return [NSString stringWithUTF8String: "\xE2\x80\xA6"];
33}
34
35- (NSString *) stringByAppendingEllipsis
36{
37        return [self stringByAppendingString: [NSString ellipsis]];
38}
39
40+ (NSString *) stringWithInt: (int) value
41{
42    return [NSString stringWithFormat: @"%d", value];
43}
44
45+ (NSString *) stringForFileSize: (uint64_t) size
46{
47    if (size < 1024)
48        return [NSString stringWithFormat: NSLocalizedString(@"%lld bytes", "File size"), size];
49
50    float convertedSize = (float) size;
51    NSString * unit;
52    if (size < 1048576)
53    {
54        convertedSize /= 1024.0;
55        unit = NSLocalizedString(@" KB", "File size (beware of leading space)");
56    }
57    else if (size < 1073741824)
58    {
59        convertedSize /= 1048576.0;
60        unit = NSLocalizedString(@" MB", "File size (beware of leading space)");
61    }
62    else
63    {
64        convertedSize /= 1073741824.0;
65        unit = NSLocalizedString(@" GB", "File size (beware of leading space)");
66    }
67
68    NSString * sizeString;
69    //attempt to have values with 3 digits
70    if (convertedSize < 10.0)
71        sizeString = [NSString stringWithFormat: @"%.2f", convertedSize];
72    else if (convertedSize < 100.0)
73        sizeString = [NSString stringWithFormat: @"%.1f", convertedSize];
74    else
75        sizeString = [NSString stringWithFormat: @"%.0f", convertedSize];
76
77    return [sizeString stringByAppendingString: unit];
78}
79
80+ (NSString *) stringForSpeed: (float) speed
81{
82    return [[self stringForSpeedAbbrev: speed] stringByAppendingString:
83                    NSLocalizedString(@"B/s", "Transfer speed (Bytes per second)")];
84}
85
86+ (NSString *) stringForSpeedAbbrev: (float) speed
87{
88    if (speed < 1000.0) //0.0 K to 999.9 K
89        return [NSString stringWithFormat: @"%.1f K", speed];
90    else if (speed < 102400.0) //0.98 M to 99.99 M
91        return [NSString stringWithFormat: @"%.2f M", speed / 1024.0];
92    else if (speed < 1024000.0) //100.0 M to 999.9 M
93        return [NSString stringWithFormat: @"%.1f M", speed / 1024.0];
94    else //insane speeds
95        return [NSString stringWithFormat: @"%.2f G", speed / 1048576.0];
96}
97
98+ (NSString *) stringForRatio: (float) ratio
99{
100    if (ratio == TR_RATIO_NA)
101        return NSLocalizedString(@"N/A", "No Ratio");
102    else if (ratio == TR_RATIO_INF)
103        return [NSString stringWithUTF8String: "\xE2\x88\x9E"];
104    else if (ratio < 10.0)
105        return [NSString stringWithFormat: @"%.2f", ratio];
106    else if (ratio < 100.0)
107        return [NSString stringWithFormat: @"%.1f", ratio];
108    else
109        return [NSString stringWithFormat: @"%.0f", ratio];
110}
111
112- (NSComparisonResult) compareIP: (NSString *) string
113{
114    NSArray * selfSections = [self componentsSeparatedByString: @"."],
115            * newSections = [string componentsSeparatedByString: @"."];
116   
117    if ([selfSections count] != [newSections count])
118        return [selfSections count] > [newSections count] ? NSOrderedDescending : NSOrderedAscending;
119
120    NSEnumerator * selfSectionsEnum = [selfSections objectEnumerator], * newSectionsEnum = [newSections objectEnumerator];
121    NSString * selfString, * newString;
122    NSComparisonResult result;
123    while ((selfString = [selfSectionsEnum nextObject]) && (newString = [newSectionsEnum nextObject]))
124        if ((result = [selfString compare: newString options: NSNumericSearch]) != NSOrderedSame)
125            return result;
126   
127    return NSOrderedSame;
128}
129
130@end
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