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550 lines
17 KiB
Objective-C
550 lines
17 KiB
Objective-C
/**Implementation of class NSDateComponentsFormatter
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Copyright (C) 2019 Free Software Foundation, Inc.
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Author: Gregory Casamento <greg.casamento@gmail.com>
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Date: Wed Nov 6 00:24:02 EST 2019
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This file is part of the GNUstep Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 31 Milk Street #960789 Boston, MA 02196 USA.
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*/
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#import "Foundation/NSDateComponentsFormatter.h"
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#import "Foundation/NSDate.h"
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#import "Foundation/NSString.h"
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#import "Foundation/NSValue.h"
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#import "Foundation/NSException.h"
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#import "Foundation/NSNumberFormatter.h"
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@implementation NSDateComponentsFormatter
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- (instancetype) init
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{
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self = [super init];
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if (self != nil)
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{
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_calendar = nil;
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_referenceDate = nil;
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_allowsFractionalUnits = NO;
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_collapsesLargestUnit = NO;
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_includesApproximationPhrase = NO;
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_formattingContext = NSFormattingContextUnknown;
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_maximumUnitCount = 0;
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_zeroFormattingBehavior
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= NSDateComponentsFormatterZeroFormattingBehaviorDefault;
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_allowedUnits = NSCalendarUnitYear
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| NSCalendarUnitMonth
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| NSCalendarUnitDay
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| NSCalendarUnitHour
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| NSCalendarUnitMinute
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| NSCalendarUnitSecond;
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_unitsStyle = NSDateComponentsFormatterUnitsStylePositional;
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}
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return self;
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}
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- (instancetype) initWithCoder: (NSCoder *)coder
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{
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self = [super initWithCoder: coder];
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if (self != nil)
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{
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// TODO: Implement coding...
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}
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return self;
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}
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- (void) encodeWithCoder: (NSCoder *)coder
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{
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[super encodeWithCoder: coder];
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// TODO: Implement coding...
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}
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- (void) dealloc
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{
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RELEASE(_calendar);
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RELEASE(_referenceDate);
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[super dealloc];
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}
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- (NSString *) stringForObjectValue: (id)obj
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{
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NSString *result = nil;
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if ([obj isKindOfClass: [NSDateComponents class]])
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{
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result = [self stringFromDateComponents: obj];
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}
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else if ([obj isKindOfClass: [NSNumber class]])
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{
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NSTimeInterval ti = [obj longLongValue];
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result = [self stringFromTimeInterval: ti];
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}
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return result;
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}
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- (NSString *) stringFromDateComponents: (NSDateComponents *)components
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{
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NSString *result = @"";
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if (_allowedUnits & NSCalendarUnitYear)
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{
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if (_unitsStyle == NSDateComponentsFormatterUnitsStyleSpellOut)
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{
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NSNumberFormatter *fmt = [[NSNumberFormatter alloc] init];
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NSNumber *num = [NSNumber numberWithInteger: [components year]];
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AUTORELEASE(fmt);
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[fmt setNumberStyle: NSNumberFormatterSpellOutStyle];
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result
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= [result stringByAppendingString: [fmt stringFromNumber: num]];
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result = [result stringByAppendingString: @" years"];
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}
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else
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{
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if (_zeroFormattingBehavior
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& NSDateComponentsFormatterZeroFormattingBehaviorDefault)
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{
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NSString *s;
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s = [NSString stringWithFormat: @"%4ld", (long)[components year]];
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result = [result stringByAppendingString: s];
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}
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if (_unitsStyle == NSDateComponentsFormatterUnitsStylePositional)
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{
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result = [result stringByAppendingString: @" yr "];
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}
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else if (_unitsStyle
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== NSDateComponentsFormatterUnitsStyleAbbreviated)
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{
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result = [result stringByAppendingString: @" yr "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleShort)
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{
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result = [result stringByAppendingString: @" yr "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleFull)
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{
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result = [result stringByAppendingString: @" years "];
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}
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}
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}
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if (_allowedUnits & NSCalendarUnitMonth)
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{
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if (_unitsStyle == NSDateComponentsFormatterUnitsStyleSpellOut)
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{
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NSNumberFormatter *fmt = [[NSNumberFormatter alloc] init];
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NSNumber *num = [NSNumber numberWithInteger: [components month]];
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AUTORELEASE(fmt);
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[fmt setNumberStyle: NSNumberFormatterSpellOutStyle];
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result
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= [result stringByAppendingString: [fmt stringFromNumber: num]];
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result = [result stringByAppendingString: @" months "];
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}
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else
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{
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if (_zeroFormattingBehavior
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& NSDateComponentsFormatterZeroFormattingBehaviorDefault)
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{
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NSString *s;
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s = [NSString stringWithFormat: @"%2ld", (long)[components month]];
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result = [result stringByAppendingString: s];
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}
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if (_unitsStyle == NSDateComponentsFormatterUnitsStylePositional)
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{
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result = [result stringByAppendingString: @" "];
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}
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else if (_unitsStyle
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== NSDateComponentsFormatterUnitsStyleAbbreviated)
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{
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result = [result stringByAppendingString: @" mn "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleShort)
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{
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result = [result stringByAppendingString: @" mon "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleFull)
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{
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result = [result stringByAppendingString: @" months "];
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}
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}
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}
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if (_allowedUnits & NSCalendarUnitDay)
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{
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if (_unitsStyle == NSDateComponentsFormatterUnitsStyleSpellOut)
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{
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NSNumberFormatter *fmt = [[NSNumberFormatter alloc] init];
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NSNumber *num = [NSNumber numberWithInteger: [components day]];
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AUTORELEASE(fmt);
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[fmt setNumberStyle: NSNumberFormatterSpellOutStyle];
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result
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= [result stringByAppendingString: [fmt stringFromNumber: num]];
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result = [result stringByAppendingString: @" days "];
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}
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else
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{
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if (_zeroFormattingBehavior
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& NSDateComponentsFormatterZeroFormattingBehaviorDefault)
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{
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NSString *s;
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s = [NSString stringWithFormat: @"%2ld", (long)[components day]];
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result = [result stringByAppendingString: s];
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}
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if (_unitsStyle == NSDateComponentsFormatterUnitsStylePositional)
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{
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result = [result stringByAppendingString: @" "];
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}
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else if (_unitsStyle
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== NSDateComponentsFormatterUnitsStyleAbbreviated)
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{
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result = [result stringByAppendingString: @" d "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleShort)
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{
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result = [result stringByAppendingString: @" day "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleFull)
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{
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result = [result stringByAppendingString: @" days "];
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}
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}
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}
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if (_allowedUnits & NSCalendarUnitHour)
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{
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if (_unitsStyle == NSDateComponentsFormatterUnitsStyleSpellOut)
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{
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NSNumberFormatter *fmt = [[NSNumberFormatter alloc] init];
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NSNumber *num = [NSNumber numberWithInteger: [components hour]];
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AUTORELEASE(fmt);
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[fmt setNumberStyle: NSNumberFormatterSpellOutStyle];
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result
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= [result stringByAppendingString: [fmt stringFromNumber: num]];
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result = [result stringByAppendingString: @" hours "];
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}
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else
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{
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if (_zeroFormattingBehavior
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& NSDateComponentsFormatterZeroFormattingBehaviorDefault)
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{
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NSString *s;
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s = [NSString stringWithFormat: @"%2ld", (long)[components hour]];
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result = [result stringByAppendingString: s];
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}
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if (_unitsStyle == NSDateComponentsFormatterUnitsStylePositional)
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{
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result = [result stringByAppendingString: @" "];
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}
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else if (_unitsStyle
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== NSDateComponentsFormatterUnitsStyleAbbreviated)
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{
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result = [result stringByAppendingString: @" h "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleShort)
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{
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result = [result stringByAppendingString: @" hrs "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleFull)
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{
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result = [result stringByAppendingString: @" hours "];
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}
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}
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}
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if (_allowedUnits & NSCalendarUnitMinute)
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{
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if (_unitsStyle == NSDateComponentsFormatterUnitsStyleSpellOut)
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{
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NSNumberFormatter *fmt = [[NSNumberFormatter alloc] init];
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NSNumber *num = [NSNumber numberWithInteger: [components minute]];
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AUTORELEASE(fmt);
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[fmt setNumberStyle: NSNumberFormatterSpellOutStyle];
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result
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= [result stringByAppendingString: [fmt stringFromNumber: num]];
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result = [result stringByAppendingString: @" minutes "];
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}
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else
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{
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if (_zeroFormattingBehavior
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& NSDateComponentsFormatterZeroFormattingBehaviorDefault)
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{
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NSString *s;
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s = [NSString stringWithFormat: @"%2ld", (long)[components minute]];
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result = [result stringByAppendingString: s];
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}
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if (_unitsStyle == NSDateComponentsFormatterUnitsStylePositional)
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{
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result = [result stringByAppendingString: @" "];
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}
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else if (_unitsStyle
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== NSDateComponentsFormatterUnitsStyleAbbreviated)
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{
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result = [result stringByAppendingString: @" min "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleShort)
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{
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result = [result stringByAppendingString: @" mins "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleFull)
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{
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result = [result stringByAppendingString: @" minutes "];
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}
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}
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}
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if (_allowedUnits & NSCalendarUnitSecond)
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{
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if (_unitsStyle == NSDateComponentsFormatterUnitsStyleSpellOut)
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{
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NSNumberFormatter *fmt = [[NSNumberFormatter alloc] init];
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NSNumber *num = [NSNumber numberWithInteger: [components second]];
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AUTORELEASE(fmt);
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[fmt setNumberStyle: NSNumberFormatterSpellOutStyle];
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result
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= [result stringByAppendingString: [fmt stringFromNumber: num]];
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result = [result stringByAppendingString: @" seconds "];
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}
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else
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{
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if (_zeroFormattingBehavior
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& NSDateComponentsFormatterZeroFormattingBehaviorDefault)
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{
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NSString *s;
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s = [NSString stringWithFormat: @"%2ld", (long)[components second]];
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result = [result stringByAppendingString: s];
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}
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if (_unitsStyle == NSDateComponentsFormatterUnitsStylePositional)
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{
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result = [result stringByAppendingString: @" "];
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}
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else if (_unitsStyle
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== NSDateComponentsFormatterUnitsStyleAbbreviated)
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{
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result = [result stringByAppendingString: @" s "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleShort)
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{
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result = [result stringByAppendingString: @" secs "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleFull)
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{
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result = [result stringByAppendingString: @" seconds "];
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}
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}
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}
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if (_allowedUnits & NSCalendarUnitWeekOfMonth)
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{
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if (_unitsStyle == NSDateComponentsFormatterUnitsStyleSpellOut)
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{
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NSNumberFormatter *fmt;
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NSNumber *num;
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fmt = AUTORELEASE([[NSNumberFormatter alloc] init]);
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num = [NSNumber numberWithInteger: [components weekOfMonth]];
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[fmt setNumberStyle: NSNumberFormatterSpellOutStyle];
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result
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= [result stringByAppendingString: [fmt stringFromNumber: num]];
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result = [result stringByAppendingString: @" days "];
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}
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else
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{
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if (_zeroFormattingBehavior
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& NSDateComponentsFormatterZeroFormattingBehaviorDefault)
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{
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long wom = (long)[components weekOfMonth];
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NSString *s = [NSString stringWithFormat: @"%2ld", wom];
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result = [result stringByAppendingString: s];
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}
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if (_unitsStyle == NSDateComponentsFormatterUnitsStylePositional)
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{
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result = [result stringByAppendingString: @" "];
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}
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else if (_unitsStyle
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== NSDateComponentsFormatterUnitsStyleAbbreviated)
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{
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result = [result stringByAppendingString: @" wm "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleShort)
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{
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result = [result stringByAppendingString: @" wom "];
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}
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else if (_unitsStyle == NSDateComponentsFormatterUnitsStyleFull)
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{
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result = [result stringByAppendingString: @" week of month "];
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}
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}
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}
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return result;
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}
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- (NSString *) stringFromDate: (NSDate *)startDate
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toDate: (NSDate *)endDate
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{
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NSDateComponents *dc;
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NSCalendar *calendar;
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calendar = ( _calendar != nil ) ? _calendar : [NSCalendar currentCalendar];
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dc = [calendar components: _allowedUnits
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fromDate: startDate
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toDate: endDate
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options: NSCalendarMatchStrictly];
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return [self stringFromDateComponents: dc];
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}
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- (NSString *) stringFromTimeInterval: (NSTimeInterval)ti
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{
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NSDate *startDate = [NSDate date];
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NSDate *endDate = [startDate dateByAddingTimeInterval: (ti > 0) ? ti : -ti];
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return [self stringFromDate: startDate toDate: endDate];
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}
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- (NSDateComponentsFormatterUnitsStyle) unitsStyle
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{
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return _unitsStyle;
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}
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- (void) setUnitsStyle: (NSDateComponentsFormatterUnitsStyle)style
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{
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_unitsStyle = style;
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}
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- (NSCalendarUnit) allowedUnits
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{
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return _allowedUnits;
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}
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- (void) setAllowedUnits: (NSCalendarUnit)units
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{
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if (units & NSCalendarUnitYear
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&& units & NSCalendarUnitMonth
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&& units & NSCalendarUnitDay
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&& units & NSCalendarUnitHour
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&& units & NSCalendarUnitMinute
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&& units & NSCalendarUnitSecond
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&& units & NSCalendarUnitWeekOfMonth)
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{
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[NSException raise: NSInvalidArgumentException
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format: @"Passed invalid unit into allowedUnits"];
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}
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_allowedUnits = units;
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}
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- (NSDateComponentsFormatterZeroFormattingBehavior) zeroFormattingBehavior
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{
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return _zeroFormattingBehavior;
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}
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- (void) setZeroFormattingBehavior: (NSDateComponentsFormatterZeroFormattingBehavior)behavior
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{
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_zeroFormattingBehavior = behavior;
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}
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- (NSCalendar *) calendar
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{
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return _calendar;
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}
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- (void) setCalender: (NSCalendar *)calendar
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{
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ASSIGNCOPY(_calendar, calendar);
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}
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- (NSDate *) referenceDate
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{
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return _referenceDate;
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}
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- (void) setReferenceDate: (NSDate *)referenceDate
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{
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ASSIGNCOPY(_referenceDate, referenceDate);
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}
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- (BOOL) allowsFractionalUnits
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{
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return _allowsFractionalUnits;
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}
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- (void) setAllowsFractionalUnits: (BOOL)allowsFractionalUnits
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{
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_allowsFractionalUnits = allowsFractionalUnits;
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}
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- (NSInteger) maximumUnitCount
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{
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return _maximumUnitCount;
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}
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- (void) setMaximumUnitCount: (NSInteger)maximumUnitCount
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{
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_maximumUnitCount = maximumUnitCount;
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}
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- (BOOL) collapsesLargestUnit
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{
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return _collapsesLargestUnit;
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}
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- (void) setCollapsesLargestUnit: (BOOL)collapsesLargestUnit
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{
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_collapsesLargestUnit = collapsesLargestUnit;
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}
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- (BOOL) includesApproximationPhrase
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{
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return _includesApproximationPhrase;
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}
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- (void) setIncludesApproximationPhrase: (BOOL)includesApproximationPhrase
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{
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_includesApproximationPhrase = includesApproximationPhrase;
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}
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- (NSFormattingContext) formattingContext
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{
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return _formattingContext;
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}
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- (void) setFormattingContext: (NSFormattingContext)formattingContext
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{
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_formattingContext = formattingContext;
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}
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- (BOOL) getObjectValue: (id*)obj
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forString: (NSString *)string
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errorDescription: (NSString **)error
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{
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return NO;
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}
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+ (NSString *) localizedStringFromDateComponents: (NSDateComponents *)components
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unitsStyle: (NSDateComponentsFormatterUnitsStyle)unitsStyle
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{
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NSDateComponentsFormatter *fmt = [[NSDateComponentsFormatter alloc] init];
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[fmt setUnitsStyle: unitsStyle];
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AUTORELEASE(fmt);
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return [fmt stringFromDateComponents: components];
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}
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@end
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