2007-01-31 18:11:29 +01:00
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/* NSString+NGCards.m - this file is part of SOPE
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*
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2009-04-09 22:06:32 +02:00
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* Copyright (C) 2006-2009 Inverse inc.
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2007-01-31 18:11:29 +01:00
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*
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* Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This file 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#import <Foundation/NSArray.h>
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2007-02-08 17:26:41 +01:00
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#import <Foundation/NSCalendarDate.h>
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2008-07-04 18:06:09 +02:00
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#import <Foundation/NSEnumerator.h>
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2007-01-31 18:11:29 +01:00
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#import <Foundation/NSRange.h>
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#import <Foundation/NSTimeZone.h>
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2008-07-04 18:06:09 +02:00
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2007-01-31 18:11:29 +01:00
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#import <NGExtensions/NSObject+Logs.h>
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#import <ctype.h>
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#import "NSString+NGCards.h"
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static NSString *commaSeparator = nil;
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@implementation NSString (NGCardsExtensions)
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- (void) _initCommaSeparator
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{
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commaSeparator = [NSMutableString stringWithFormat: @"%c", 255];
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[commaSeparator retain];
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}
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- (NSString *) foldedForVersitCards
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{
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NSMutableString *foldedString;
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unsigned int length;
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NSRange subStringRange;
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2008-07-16 18:24:28 +02:00
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foldedString = [NSMutableString string];
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2007-03-07 22:22:45 +01:00
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2007-01-31 18:11:29 +01:00
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length = [self length];
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if (length < 76)
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2007-03-07 22:22:45 +01:00
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[foldedString appendString: self];
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2007-01-31 18:11:29 +01:00
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else
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{
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subStringRange = NSMakeRange (0, 75);
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[foldedString appendFormat: @"%@\r\n",
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[self substringWithRange: subStringRange]];
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subStringRange = NSMakeRange (75, 74);
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while ((length - subStringRange.location) > 74)
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{
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[foldedString appendFormat: @" %@\r\n",
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[self substringWithRange: subStringRange]];
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subStringRange.location += 74;
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}
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subStringRange.length = length - subStringRange.location;
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[foldedString appendFormat: @" %@",
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[self substringWithRange: subStringRange]];
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}
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2007-03-07 22:22:45 +01:00
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return foldedString;
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2007-01-31 18:11:29 +01:00
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}
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- (NSArray *) asCardAttributeValues
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{
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NSMutableArray *values;
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NSEnumerator *rawValues;
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NSString *tmpString, *rawValue, *newString;
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2008-07-16 18:24:28 +02:00
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values = [NSMutableArray array];
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2007-01-31 18:11:29 +01:00
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if (!commaSeparator)
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[self _initCommaSeparator];
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tmpString = [self stringByReplacingString: @"\\,"
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withString: commaSeparator];
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rawValues = [[tmpString componentsSeparatedByString: @","]
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objectEnumerator];
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2008-07-16 18:24:28 +02:00
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while ((rawValue = [rawValues nextObject]))
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2007-01-31 18:11:29 +01:00
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{
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newString = [rawValue stringByReplacingString: commaSeparator
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withString: @","];
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[values addObject: [newString stringByTrimmingSpaces]];
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}
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return values;
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}
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- (NSString *) escapedForCards
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{
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NSString *string;
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string = [self stringByReplacingString: @"\\"
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withString: @"\\\\"];
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2008-12-05 15:39:43 +01:00
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// string = [string stringByReplacingString: @","
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// withString: @"\\,"];
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// string = [string stringByReplacingString: @":"
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// withString: @"\\:"];
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2007-01-31 18:11:29 +01:00
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string = [string stringByReplacingString: @";"
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withString: @"\\;"];
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string = [string stringByReplacingString: @"\n"
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withString: @"\\n"];
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string = [string stringByReplacingString: @"\r"
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withString: @"\\r"];
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return string;
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}
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- (NSString *) unescapedFromCard
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{
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NSString *string;
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string = [self stringByReplacingString: @"\\,"
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withString: @","];
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string = [string stringByReplacingString: @"\\:"
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withString: @":"];
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string = [string stringByReplacingString: @"\\;"
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withString: @";"];
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string = [string stringByReplacingString: @"\\n"
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withString: @"\n"];
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string = [string stringByReplacingString: @"\\r"
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withString: @"\r"];
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string = [string stringByReplacingString: @"\\\\"
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withString: @"\\"];
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2008-08-18 17:19:19 +02:00
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string = [string stringByReplacingString: @"\\N" // Outlook lameness
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withString: @"\n"];
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2007-01-31 18:11:29 +01:00
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return string;
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}
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- (NSTimeInterval) durationAsTimeInterval
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{
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/*
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eg: DURATION:PT1H
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P - "period"
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P2H30M - "2 hours 30 minutes"
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dur-value = (["+"] / "-") "P" (dur-date / dur-time / dur-week)
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dur-date = dur-day [dur-time]
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dur-time = "T" (dur-hour / dur-minute / dur-second)
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dur-week = 1*DIGIT "W"
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dur-hour = 1*DIGIT "H" [dur-minute]
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dur-minute = 1*DIGIT "M" [dur-second]
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dur-second = 1*DIGIT "S"
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dur-day = 1*DIGIT "D"
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*/
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unsigned i, len;
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NSTimeInterval ti;
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2009-04-21 16:34:22 +02:00
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BOOL isNegative, isTime;
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2007-01-31 18:11:29 +01:00
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int val;
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2008-08-10 19:14:44 +02:00
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unichar c;
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2009-04-21 16:34:22 +02:00
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2007-01-31 18:11:29 +01:00
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ti = 0.0;
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2009-04-21 16:34:22 +02:00
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i = 0;
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2008-08-10 19:14:44 +02:00
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2009-04-21 16:34:22 +02:00
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c = [self characterAtIndex: i];
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if (c == '-')
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{
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isNegative = YES;
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i++;
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}
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else
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{
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isNegative = NO;
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}
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c = [self characterAtIndex: i];
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if (c == 'P')
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2008-08-10 19:14:44 +02:00
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{
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2007-01-31 18:11:29 +01:00
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val = 0;
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2008-08-10 19:14:44 +02:00
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len = [self length];
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isTime = NO;
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2009-04-21 16:34:22 +02:00
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for (i++; i < len; i++)
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2008-08-10 19:14:44 +02:00
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{
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c = [self characterAtIndex: i];
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if (c == 't' || c == 'T')
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{
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isTime = YES;
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val = 0;
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}
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else if (isdigit (c))
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val = (val * 10) + (c - 48);
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else
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{
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switch (c)
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{
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case 'W': /* week */
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ti += (val * 7 * 24 * 60 * 60);
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break;
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case 'D': /* day */
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ti += (val * 24 * 60 * 60);
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break;
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case 'H': /* hour */
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ti += (val * 60 * 60);
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break;
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case 'M': /* min */
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ti += (val * 60);
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break;
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case 'S': /* sec */
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ti += val;
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break;
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default:
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[self logWithFormat: @"cannot process duration unit: '%c'", c];
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break;
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}
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val = 0;
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}
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}
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2007-01-31 18:11:29 +01:00
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}
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2008-08-10 19:14:44 +02:00
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else
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NSLog(@"Cannot parse iCal duration value: '%@'", self);
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2009-04-21 16:34:22 +02:00
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if (isNegative)
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ti = -ti;
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2007-01-31 18:11:29 +01:00
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return ti;
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}
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- (NSCalendarDate *) asCalendarDate
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{
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NSRange cursor;
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NSCalendarDate *date;
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NSTimeZone *utc;
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2007-06-07 18:20:01 +02:00
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unsigned int length;
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2007-01-31 18:11:29 +01:00
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int year, month, day, hour, minute, second;
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2007-06-07 18:20:01 +02:00
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length = [self length];
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if (length > 7)
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2007-01-31 18:11:29 +01:00
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{
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cursor = NSMakeRange(0, 4);
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year = [[self substringWithRange: cursor] intValue];
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cursor.location += cursor.length;
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cursor.length = 2;
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month = [[self substringWithRange: cursor] intValue];
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cursor.location += cursor.length;
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day = [[self substringWithRange: cursor] intValue];
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2007-06-07 18:20:01 +02:00
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if (length > 14)
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{
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cursor.location += cursor.length + 1;
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hour = [[self substringWithRange: cursor] intValue];
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cursor.location += cursor.length;
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minute = [[self substringWithRange: cursor] intValue];
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cursor.location += cursor.length;
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second = [[self substringWithRange: cursor] intValue];
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}
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else
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{
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hour = 0;
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minute = 0;
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second = 0;
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}
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2007-01-31 18:11:29 +01:00
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utc = [NSTimeZone timeZoneWithAbbreviation: @"GMT"];
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date = [NSCalendarDate dateWithYear: year month: month
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day: day hour: hour minute: minute
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second: second
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timeZone: utc];
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}
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else
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date = nil;
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return date;
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}
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2007-06-07 18:20:01 +02:00
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- (BOOL) isAllDayDate
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{
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2007-06-07 20:05:45 +02:00
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return ([self length] == 8);
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2007-06-07 18:20:01 +02:00
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}
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2007-12-20 22:57:49 +01:00
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- (NSArray *) componentsWithSafeSeparator: (unichar) separator
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2007-01-31 18:11:29 +01:00
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{
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2007-12-20 22:57:49 +01:00
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NSMutableArray *components;
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NSRange currentRange;
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unichar *stringBuffer;
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unichar currentChar;
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unsigned int count, length;
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BOOL escaped;
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2007-01-31 18:11:29 +01:00
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2007-12-20 22:57:49 +01:00
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components = [NSMutableArray array];
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length = [self length];
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2009-06-04 01:06:52 +02:00
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stringBuffer = NSZoneMalloc (NULL, sizeof (unichar) * length);
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2007-12-20 22:57:49 +01:00
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[self getCharacters: stringBuffer];
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2007-01-31 18:11:29 +01:00
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2007-12-20 22:57:49 +01:00
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currentRange = NSMakeRange(0, 0);
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escaped = NO;
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count = 0;
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while (count < length)
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2007-01-31 18:11:29 +01:00
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{
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2007-12-20 22:57:49 +01:00
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if (escaped)
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currentRange.length++;
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else
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{
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currentChar = *(stringBuffer + count);
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if (currentChar == '\\')
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escaped = YES;
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else if (currentChar == separator)
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{
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[components
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addObject: [self substringWithRange: currentRange]];
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currentRange = NSMakeRange (count + 1, 0);
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}
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else
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currentRange.length++;
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}
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count++;
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2007-01-31 18:11:29 +01:00
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}
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2007-12-20 22:57:49 +01:00
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[components
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addObject: [self substringWithRange: currentRange]];
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2007-01-31 18:11:29 +01:00
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2009-06-04 01:06:52 +02:00
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NSZoneFree (NULL, stringBuffer);
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2007-12-20 22:57:49 +01:00
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return components;
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2007-01-31 18:11:29 +01:00
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}
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2009-09-10 20:31:20 +02:00
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- (NSString *) rfc822Email
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{
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unsigned idx;
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idx = NSMaxRange([self rangeOfString:@":"]);
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if ((idx > 0) && ([self length] > idx))
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return [self substringFromIndex: idx];
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return self;
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}
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2007-01-31 18:11:29 +01:00
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@end
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