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New headers
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@3367 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald
parent
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4 changed files with 331 additions and 0 deletions
51
Headers/gnustep/base/NSDateFormatter.h
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51
Headers/gnustep/base/NSDateFormatter.h
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/* Interface for NSDateFormatter for GNUStep
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Copyright (C) 1998 Free Software Foundation, Inc.
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Header Written by: Camille Troillard <tuscland@wanadoo.fr>
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Created: November 1998
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Modified by: Richard Frith-Macdonald <richard@brainstorm.co.uk>
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This file is part of the GNUstep Base 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 Library 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __NSDateFormatter_h_GNUSTEP_BASE_INCLUDE
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#define __NSDateFormatter_h_GNUSTEP_BASE_INCLUDE
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#include <Foundation/NSObject.h>
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#ifndef STRICT_OPENSTEP
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@class NSString;
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@interface NSDateFormatter : NSFormatter <NSCoding, NSCopying>
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{
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NSString *dateFormat;
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BOOL allowsNaturalLanguage;
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}
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/* Initializing an NSDateFormatter */
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- (id) initWithDateFormat: (NSString *)format
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allowNaturalLanguage: (BOOL)flag;
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/* Determining Attributes */
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- (BOOL) allowsNaturalLanguage;
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- (NSString *) dateFormat;
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@end
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#endif
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#endif /* _NSDateFormatter_h_GNUSTEP_BASE_INCLUDE */
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104
Headers/gnustep/base/NSDecimal.h
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104
Headers/gnustep/base/NSDecimal.h
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/* NSDecimal types and functions
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Copyright (C) 1998 Free Software Foundation, Inc.
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Written by: Richard Frith-Macdonald <richard@brainstorm.co.uk>
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Created: November 1998
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This file is part of the GNUstep Base 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 Library 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __NSDecimal_h_GNUSTEP_BASE_INCLUDE
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#define __NSDecimal_h_GNUSTEP_BASE_INCLUDE
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#ifndef STRICT_OPENSTEP
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typedef enum {
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NSRoundDown,
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NSRoundUp,
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NSRoundPlain, /* Round .5 up */
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NSRoundBankers /* Make last digit even */
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} NSRoundingMode;
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typedef enum {
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NSCalculationNoError = 0,
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NSCalculationUnderflow, /* result became zero */
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NSCalculationOverflow,
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NSCalculationLossOfPrecision,
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NSCalculationDivideByZero
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} NSCalculationError;
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/*
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* Give a precision of at least 38 decimal digits
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* requires 128 bits.
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*/
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#define NSDecimalMaxSize (16/sizeof(int))
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#define NSDecimalNoScale -1
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typedef struct {
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char exponent; /* Signed exponent - -128 to 127 */
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char length; /* digits in mantissa. */
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BOOL isNegative; /* Is this negative? */
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BOOL validNumber; /* Is this a valid number? */
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unsigned int mantissa[NSDecimalMaxSize];
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} NSDecimal;
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static inline BOOL
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NSDecimalIsNotANumber(const NSDecimal *decimal)
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{
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return (decimal->validNumber == NO);
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}
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extern void
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NSDecimalCopy(NSDecimal *destination, const NSDecimal *source);
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extern void
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NSDecimalCompact(NSDecimal *number);
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extern NSComparisonResult
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NSDecimalCompare(const NSDecimal *leftOperand, const NSDecimal *rightOperand);
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extern void
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NSDecimalRound(NSDecimal *result, const NSDecimal *number, int scale, NSRoundingMode mode);
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extern NSCalculationError
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NSDecimalNormalize(NSDecimal *n1, NSDecimal *n2, NSRoundingMode mode);
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extern NSCalculationError
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NSDecimalAdd(NSDecimal *result, const NSDecimal *left, const NSDecimal *right, NSRoundingMode mode);
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extern NSCalculationError
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NSDecimalSubtract(NSDecimal *result, const NSDecimal *left, const NSDecimal *right, NSRoundingMode mode);
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extern NSCalculationError
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NSDecimalMultiply(NSDecimal *result, const NSDecimal *l, const NSDecimal *r, NSRoundingMode mode);
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extern NSCalculationError
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NSDecimalDivide(NSDecimal *result, const NSDecimal *l, const NSDecimal *rr, NSRoundingMode mode);
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extern NSCalculationError
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NSDecimalPower(NSDecimal *result, const NSDecimal *n, unsigned power, NSRoundingMode mode);
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extern NSCalculationError
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NSDecimalMultiplyByPowerOf10(NSDecimal *result, const NSDecimal *n, short power, NSRoundingMode mode);
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extern NSString*
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NSDecimalString(const NSDecimal *decimal, NSDictionary *locale);
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#endif
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#endif
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52
Headers/gnustep/base/NSDecimalNumber.h
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52
Headers/gnustep/base/NSDecimalNumber.h
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/* Interface of NSDecimalNumber class
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Copyright (C) 1998 Free Software Foundation, Inc.
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Written by: Richard Frith-Macdonald <richard@brainstorm.co.uk>
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Created: November 1998
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This file is part of the GNUstep Base 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 Library 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __NSDecimalNumber_h_GNUSTEP_BASE_INCLUDE
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#define __NSDecimalNumber_h_GNUSTEP_BASE_INCLUDE
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#include <Foundation/NSObject.h>
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#ifndef STRICT_OPENSTEP
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#include <Foundation/NSDecimal.h>
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@class NSDecimalNumber;
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@protocol NSDecimalNumberBehaviors
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- (NSDecimalNumber*) exceptionDuringOperation: (SEL)method
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error: (NSCalculationError)error
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leftOperand: (NSDecimalNumber*)leftOperand
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rightOperand: (NSDecimalNumber*)rightOperand;
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- (NSRoundingMode) roundingMode;
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- (short) scale;
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@end
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@interface NSDecimalNumber : NSObject <NSCopying, NSCoding>
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{
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}
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@end
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#endif
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#endif
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124
Source/NSDateFormatter.m
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124
Source/NSDateFormatter.m
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/* Implementation of NSDateFormatter class
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Copyright (C) 1998 Free Software Foundation, Inc.
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Written by: Richard Frith-Macdonald <richard@brainstorm.co.uk>
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Created: December 1998
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This file is part of the GNUstep Base 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 Library 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <config.h>
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#include <Foundation/NSDate.h>
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#include <Foundation/NSFormatter.h>
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#include <Foundation/NSDateFormatter.h>
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#include <Foundation/NSString.h>
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#include <Foundation/NSCoder.h>
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@implementation NSDateFormatter
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- (BOOL) allowsNaturalLanguage
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{
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return allowsNaturalLanguage;
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}
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- (NSAttributedString*) attributedStringForObjectValue: (id)anObject
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withDefaultAttributes: (NSDictionary*)attr
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{
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return nil;
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}
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- (id) copyWithZone: (NSZone*)zone
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{
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NSDateFormatter *other = (id)NSCopyObject(self, 0, zone);
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[other->dateFormat retain];
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return other;
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}
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- (NSString*) dateFormat
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{
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return dateFormat;
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}
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- (NSString*) editingStringForObjectValue: (id)anObject
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{
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return [self stringForObjectValue: anObject];
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}
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- (void) encodeWithCoder: (NSCoder*)aCoder
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{
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[aCoder encodeValuesOfObjCTypes: "@C", &dateFormat, &allowsNaturalLanguage];
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}
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- (BOOL) getObjectValue: (id*)anObject
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forString: (NSString*)string
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errorDescription: (NSString**)error
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{
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NSCalendarDate *d;
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d = [NSCalendarDate dateWithString: string calendarFormat: dateFormat];
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if (d == nil)
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{
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if (allowsNaturalLanguage)
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{
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d = [NSCalendarDate dateWithNaturalLanguageString: string];
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}
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if (d == nil)
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{
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*error = @"Couldn't convert to date";
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return NO;
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}
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}
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*anObject = d;
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return YES;
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}
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- (id) initWithCoder: (NSCoder*)aCoder
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{
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[aCoder decodeValuesOfObjCTypes: "@C", &dateFormat, &allowsNaturalLanguage];
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return self;
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}
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- (id) initWithDateFormat: (NSString *)format
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allowNaturalLanguage: (BOOL)flag
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{
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dateFormat = [format copy];
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allowsNaturalLanguage = flag;
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return self;
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}
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- (BOOL) isPartialStringValid: (NSString*)partialString
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newEditingString: (NSString**)newString
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errorDescription: (NSString**)error
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{
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*newString = nil;
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*error = nil;
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return YES;
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}
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- (NSString*) stringForObjectValue: (id)anObject
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{
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if ([anObject isKindOfClass: [NSDate class]] == NO)
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{
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return nil;
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}
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return [anObject descriptionWithCalendarFormat: dateFormat
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timeZone: [NSTimeZone defaultTimeZone]
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locale: nil];
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}
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@end
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