@@ -29,9 +29,40 @@ @interface NSNumber (GHUtils) +/*! + @method gh_humanSize + @abstract File size label + @result '904 b', '32 KB', '1.1 MB', + */ - (NSString *)gh_humanSize; + +/*! + @method gh_humanSize + @abstract File size label + @param delimiter In between numeric and unit + @result '904 b', '32 KB', '1.1 MB', + */ - (NSString *)gh_humanSizeWithDelimiter:(NSString *)delimiter; +/*! + Ordinalize. + @result Ordinal string for integer. + 0 => nil + 1 => "1st" + 2 => "2nd" + 3 => "3rd" + 4-9 -> "4th", "5th", ... + Ending in 11, 12 or 13 => "111th", "212th", ... + */ +- (NSString *)gh_ordinalize; + +/*! + Ordinalize. + @result Ordinal string for integer. + @see gh_ordinalize + */ ++ (NSString *)gh_ordinalize:(NSInteger)value; + + (NSNumber *)gh_bool:(BOOL)b; + (NSNumber *)gh_no; + (NSNumber *)gh_yes; Classes/GHNSNumber+Utils.h @@ -31,21 +31,10 @@ @implementation NSNumber (GHUtils) -/*! - @method gh_humanSize - @abstract File size label - @result '904 b', '32 KB', '1.1 MB', - */ - (NSString *)gh_humanSize { return [self gh_humanSizeWithDelimiter:@" "]; } -/*! - @method gh_humanSize - @abstract File size label - @param delimiter In between numeric and unit - @result '904 b', '32 KB', '1.1 MB', - */ - (NSString *)gh_humanSizeWithDelimiter:(NSString *)delimiter { double value = [self doubleValue]; double byteTest = 1024; @@ -67,6 +56,32 @@ return nil; } +- (NSString *)gh_ordinalize { + return [NSNumber gh_ordinalize:[self integerValue]]; +} + ++ (NSString *)gh_ordinalize:(NSInteger)value { + NSString *suffix = nil; + switch(value % 10) { + case 1: suffix = @"st"; break; + case 2: suffix = @"nd"; break; + case 3: suffix = @"rd"; break; + case 0: + case 4: + case 5: + case 6: + case 7: + case 8: + case 9: + suffix = @"th"; break; + } + + if (value % 100 >= 11 && value % 100 <= 13) suffix = @"th"; // Handle 11-13 + if (value == 0) suffix = nil; + if (suffix) return [NSString stringWithFormat:@"%d%@", value, suffix]; + return [NSString stringWithFormat:@"%d", value]; +} + + (NSNumber *)gh_bool:(BOOL)b { if (!b) { static NSNumber *NumberForNo = NULL; Classes/GHNSNumber+Utils.m @@ -27,4 +27,28 @@ GHTestLog(@"maxllSizeString=%@", maxllSizeString); } +- (void)testOrdinalize { + GHAssertEqualStrings([[NSNumber numberWithInteger:1] gh_ordinalize], @"1st", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:2] gh_ordinalize], @"2nd", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:3] gh_ordinalize], @"3rd", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:4] gh_ordinalize], @"4th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:5] gh_ordinalize], @"5th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:6] gh_ordinalize], @"6th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:7] gh_ordinalize], @"7th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:8] gh_ordinalize], @"8th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:9] gh_ordinalize], @"9th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:10] gh_ordinalize], @"10th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:11] gh_ordinalize], @"11th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:12] gh_ordinalize], @"12th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:13] gh_ordinalize], @"13th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:14] gh_ordinalize], @"14th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:111] gh_ordinalize], @"111th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:212] gh_ordinalize], @"212th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:313] gh_ordinalize], @"313th", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:221] gh_ordinalize], @"221st", nil); + GHAssertEqualStrings([[NSNumber numberWithInteger:222] gh_ordinalize], @"222nd", nil); + + GHAssertEqualStrings([NSNumber gh_ordinalize:1], @"1st", nil); +} + @end Tests/NSNumberUtilsTest.m 6686772c044f2034753a43543022681d31c90678 Gabriel Handford gabrielh@gmail.com http://github.com/gabriel/gh-kit/commit/66555e08bdc5fce92eaa91f41f421d8ba3addfc0 66555e08bdc5fce92eaa91f41f421d8ba3addfc0 2009-10-12T17:03:12-07:00 2009-10-12T17:03:12-07:00 Ordinalize 3e6301656d897b021f8b90602802872aa2fdab96 Gabriel Handford gabrielh@gmail.com