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rajeevprasannarajeevprasanna
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adding parsing logic
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‎CalendarManager/CalendarEvent.h‎

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//
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// CalendarEvent.h
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// iOSCalendarEventParser
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//
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// Created by Rajeev Kumar Kallempudi on 2/3/16.
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// Copyright © 2016 rajeevprasanna. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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@interface CalendarEvent : NSObject
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@property (nonatomic, strong) NSString* uid;
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@property (nonatomic, strong) NSString* organiserMailId;
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@property (nonatomic, strong) NSString* location;
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@property (nonatomic, strong) NSString* subject;
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@property (nonatomic, strong) NSString* eventDescription;
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@property (nonatomic, strong) NSString* timezoneId;
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@property (nonatomic, assign) NSTimeInterval startTime;
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@property (nonatomic, assign) NSTimeInterval endTime;
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@property (nonatomic, assign) NSTimeInterval lastModifiedTime;
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@property (nonatomic, assign) NSTimeInterval creationTime;
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@property (nonatomic, strong) NSString* method;
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@property (nonatomic, strong) NSInteger userAction;
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@property (nonatomic, strong) NSString* icalString;
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@end

‎CalendarManager/CalendarEvent.m‎

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//
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// CalendarEvent.m
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// iOSCalendarEventParser
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//
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// Created by Rajeev Kumar Kallempudi on 2/3/16.
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// Copyright © 2016 rajeevprasanna. All rights reserved.
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//
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#import "CalendarEvent.h"
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@implementation CalendarEvent
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@end

‎CalendarManager/CalendarEventParser.h‎

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//
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#import <Foundation/Foundation.h>
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#import "CalendarEvent.h"
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@interface CalendarEventParser : NSObject
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+(void)parseCalendar:(NSString *)icalEventString :(void (^)(CalendarEvent *))successBlock withErrorBlock:(void (^)(NSDictionary*))errorBlock;
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@end

‎CalendarManager/CalendarEventParser.m‎

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‎CalendarManager/CalendarEventParserConstants.h‎

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//
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// CalendarEventParserConstants.h
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// iOSCalendarEventParser
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//
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// Created by Rajeev Kumar Kallempudi on 2/3/16.
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// Copyright © 2016 rajeevprasanna. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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#define CALENDAR_EVENT_STATUS_NONE 0
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#define CALENDAR_EVENT_STATUS_CONFIRMED 1
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#define CALENDAR_EVENT_STATUS_TENTATIVE 2
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#define CALENDAR_EVENT_STATUS_DECLINED 3
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#define CALENDAR_EVENT_STATUS_CANCELLED 4

‎CalendarManager/CalendarEventTimeZones.h‎

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//
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// CalendarEventTimeZones.h
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// iOSCalendarEventParser
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//
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// Created by Rajeev Kumar Kallempudi on 2/3/16.
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// Copyright © 2016 rajeevprasanna. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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@interface CalendarEventTimeZones : NSObject
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+(NSTimeZone *)getTimezoneById:(NSString *)timezoneId;
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@end

‎CalendarManager/CalendarEventTimeZones.m‎

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//
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// CalendarEventTimeZones.m
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// iOSCalendarEventParser
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//
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// Created by Rajeev Kumar Kallempudi on 2/3/16.
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// Copyright © 2016 rajeevprasanna. All rights reserved.
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//
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#import "CalendarEventTimeZones.h"
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@implementation CalendarEventTimeZones
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+(NSTimeZone *)getTimezoneById:(NSString *)timezoneId
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{
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static NSDictionary *timeZoneMap = nil;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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timeZoneMap = @{
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@"Pacific Standard Time" : @"America/Los_Angeles",
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@"Chennai, Kolkata, Mumbai, New Delhi" : @"Asia/Kolkata",
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@"International Date Line West" : @"Pacific/Midway",
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@"Midway Island" : @"Pacific/Midway",
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@"American Samoa" : @"Pacific/Pago_Pago",
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@"Hawaii" : @"Pacific/Honolulu",
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@"Alaska" : @"America/Juneau",
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@"Pacific Time (US & Canada)" : @"America/Los_Angeles",
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@"Tijuana" : @"America/Tijuana",
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@"Mountain Time (US & Canada)" : @"America/Denver",
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@"Arizona" : @"America/Phoenix",
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@"Chihuahua" : @"America/Chihuahua",
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@"Mazatlan" : @"America/Mazatlan",
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@"Central Time (US & Canada)" : @"America/Chicago",
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@"Saskatchewan" : @"America/Regina",
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@"Guadalajara" : @"America/Mexico_City",
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@"Mexico City" : @"America/Mexico_City",
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@"Monterrey" : @"America/Monterrey",
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@"Central America" : @"America/Guatemala",
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@"Eastern Time (US & Canada)" : @"America/New_York",
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@"Indiana (East)" : @"America/Indiana/Indianapolis",
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@"Bogota" : @"America/Bogota",
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@"Lima" : @"America/Lima",
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@"Quito" : @"America/Lima",
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@"Atlantic Time (Canada)" : @"America/Halifax",
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@"Caracas" : @"America/Caracas",
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@"La Paz" : @"America/La_Paz",
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@"Santiago" : @"America/Santiago",
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@"Newfoundland" : @"America/St_Johns",
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@"Brasilia" : @"America/Sao_Paulo",
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@"Buenos Aires" : @"America/Argentina/Buenos_Aires",
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@"Georgetown" : @"America/Guyana",
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@"Greenland" : @"America/Godthab",
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@"Mid-Atlantic" : @"Atlantic/South_Georgia",
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@"Azores" : @"Atlantic/Azores",
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@"Cape Verde Is." : @"Atlantic/Cape_Verde",
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@"Dublin" : @"Europe/Dublin",
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@"Edinburgh" : @"Europe/London",
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@"Lisbon" : @"Europe/Lisbon",
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@"London" : @"Europe/London",
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@"Casablanca" : @"Africa/Casablanca",
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@"Monrovia" : @"Africa/Monrovia",
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@"UTC" : @"Etc/UTC",
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@"Belgrade" : @"Europe/Belgrade",
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@"Bratislava" : @"Europe/Bratislava",
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@"Budapest" : @"Europe/Budapest",
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@"Ljubljana" : @"Europe/Ljubljana",
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@"Prague" : @"Europe/Prague",
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@"Sarajevo" : @"Europe/Sarajevo",
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@"Skopje" : @"Europe/Skopje",
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@"Warsaw" : @"Europe/Warsaw",
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@"Zagreb" : @"Europe/Zagreb",
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@"Brussels" : @"Europe/Brussels",
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@"Copenhagen" : @"Europe/Copenhagen",
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@"Madrid" : @"Europe/Madrid",
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@"Paris" : @"Europe/Paris",
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@"Amsterdam" : @"Europe/Amsterdam",
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@"Berlin" : @"Europe/Berlin",
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@"Bern" : @"Europe/Berlin",
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@"Rome" : @"Europe/Rome",
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@"Stockholm" : @"Europe/Stockholm",
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@"Vienna" : @"Europe/Vienna",
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@"West Central Africa" : @"Africa/Algiers",
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@"Bucharest" : @"Europe/Bucharest",
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@"Cairo" : @"Africa/Cairo",
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@"Helsinki" : @"Europe/Helsinki",
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@"Kyiv" : @"Europe/Kiev",
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@"Riga" : @"Europe/Riga",
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@"Sofia" : @"Europe/Sofia",
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@"Tallinn" : @"Europe/Tallinn",
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@"Vilnius" : @"Europe/Vilnius",
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@"Athens" : @"Europe/Athens",
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@"Istanbul" : @"Europe/Istanbul",
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@"Minsk" : @"Europe/Minsk",
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@"Jerusalem" : @"Asia/Jerusalem",
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@"Harare" : @"Africa/Harare",
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@"Pretoria" : @"Africa/Johannesburg",
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@"Moscow" : @"Europe/Moscow",
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@"St. Petersburg" : @"Europe/Moscow",
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@"Volgograd" : @"Europe/Moscow",
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@"Kuwait" : @"Asia/Kuwait",
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@"Riyadh" : @"Asia/Riyadh",
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@"Nairobi" : @"Africa/Nairobi",
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@"Baghdad" : @"Asia/Baghdad",
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@"Tehran" : @"Asia/Tehran",
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@"Abu Dhabi" : @"Asia/Muscat",
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@"Muscat" : @"Asia/Muscat",
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@"Baku" : @"Asia/Baku",
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@"Tbilisi" : @"Asia/Tbilisi",
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@"Yerevan" : @"Asia/Yerevan",
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@"Kabul" : @"Asia/Kabul",
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@"Ekaterinburg" : @"Asia/Yekaterinburg",
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@"Islamabad" : @"Asia/Karachi",
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@"Karachi" : @"Asia/Karachi",
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@"Tashkent" : @"Asia/Tashkent",
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@"Chennai" : @"Asia/Kolkata",
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@"Kolkata" : @"Asia/Kolkata",
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@"Mumbai" : @"Asia/Kolkata",
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@"New Delhi" : @"Asia/Kolkata",
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@"Kathmandu" : @"Asia/Kathmandu",
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@"Astana" : @"Asia/Dhaka",
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@"Dhaka" : @"Asia/Dhaka",
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@"Sri Jayawardenepura" : @"Asia/Colombo",
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@"Almaty" : @"Asia/Almaty",
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@"Novosibirsk" : @"Asia/Novosibirsk",
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@"Rangoon" : @"Asia/Rangoon",
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@"Bangkok" : @"Asia/Bangkok",
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@"Hanoi" : @"Asia/Bangkok",
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@"Jakarta" : @"Asia/Jakarta",
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@"Krasnoyarsk" : @"Asia/Krasnoyarsk",
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@"Beijing" : @"Asia/Shanghai",
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@"Chongqing" : @"Asia/Chongqing",
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@"Hong Kong" : @"Asia/Hong_Kong",
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@"Urumqi" : @"Asia/Urumqi",
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@"Kuala Lumpur" : @"Asia/Kuala_Lumpur",
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@"Singapore" : @"Asia/Singapore",
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@"Taipei" : @"Asia/Taipei",
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@"Perth" : @"Australia/Perth",
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@"Irkutsk" : @"Asia/Irkutsk",
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@"Ulaan Bataar" : @"Asia/Ulaanbaatar",
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@"Seoul" : @"Asia/Seoul",
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@"Osaka" : @"Asia/Tokyo",
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@"Sapporo" : @"Asia/Tokyo",
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@"Tokyo" : @"Asia/Tokyo",
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@"Yakutsk" : @"Asia/Yakutsk",
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@"Darwin" : @"Australia/Darwin",
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@"Adelaide" : @"Australia/Adelaide",
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@"Canberra" : @"Australia/Melbourne",
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@"Melbourne" : @"Australia/Melbourne",
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@"Sydney" : @"Australia/Sydney",
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@"Brisbane" : @"Australia/Brisbane",
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@"Hobart" : @"Australia/Hobart",
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@"Vladivostok" : @"Asia/Vladivostok",
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@"Guam" : @"Pacific/Guam",
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@"Port Moresby" : @"Pacific/Port_Moresby",
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@"Magadan" : @"Asia/Magadan",
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@"Solomon Is." : @"Asia/Magadan",
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@"New Caledonia" : @"Pacific/Noumea",
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@"Fiji" : @"Pacific/Fiji",
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@"Kamchatka" : @"Asia/Kamchatka",
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@"Marshall Is." : @"Pacific/Majuro",
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@"Auckland" : @"Pacific/Auckland",
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@"Wellington" : @"Pacific/Auckland",
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@"Nuku'alofa" : @"Pacific/Tongatapu",
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@"Tokelau Is." : @"Pacific/Fakaofo",
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@"Samoa" : @"Pacific/Apia"
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};
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});
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NSString *timezoneName = [timeZoneMap valueForKey:timezoneId];
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return timezoneName.length != 0 ? [NSTimeZone timeZoneWithName:timezoneName] : nil;
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}
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@end

‎Example/iOSCalendarEventParser.xcodeproj/project.pbxproj‎

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/* Begin PBXBuildFile section */
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02CE49A11C61FD3B00A2893C /* CalendarEventParser.m in Sources */ = {isa = PBXBuildFile; fileRef = 02CE49A01C61FD3B00A2893C /* CalendarEventParser.m */; };
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02CE49A81C6204D400A2893C /* CalendarEventTimeZones.m in Sources */ = {isa = PBXBuildFile; fileRef = 02CE49A71C6204D400A2893C /* CalendarEventTimeZones.m */; };
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02CE49AB1C6209FD00A2893C /* CalendarEvent.m in Sources */ = {isa = PBXBuildFile; fileRef = 02CE49AA1C6209FD00A2893C /* CalendarEvent.m */; };
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6003F5B0195388D20070C39A /* XCTest.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6003F5AF195388D20070C39A /* XCTest.framework */; };
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6003F5B1195388D20070C39A /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6003F58D195388D20070C39A /* Foundation.framework */; };
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6003F5B2195388D20070C39A /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 6003F591195388D20070C39A /* UIKit.framework */; };
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/* Begin PBXFileReference section */
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02CE49A01C61FD3B00A2893C /* CalendarEventParser.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = CalendarEventParser.m; sourceTree = "<group>"; };
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02CE49A61C6204D400A2893C /* CalendarEventTimeZones.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CalendarEventTimeZones.h; sourceTree = "<group>"; };
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02CE49A71C6204D400A2893C /* CalendarEventTimeZones.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = CalendarEventTimeZones.m; sourceTree = "<group>"; };
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02CE49A91C6209FD00A2893C /* CalendarEvent.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CalendarEvent.h; sourceTree = "<group>"; };
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02CE49AA1C6209FD00A2893C /* CalendarEvent.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = CalendarEvent.m; sourceTree = "<group>"; };
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2652851B1D2A3FE1DEC1BAC5 /* README.md */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = net.daringfireball.markdown; name = README.md; path = ../README.md; sourceTree = "<group>"; };
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02CE499F1C61FD3B00A2893C /* CalendarEventParser.h */,
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02CE49A01C61FD3B00A2893C /* CalendarEventParser.m */,
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02CE49A91C6209FD00A2893C /* CalendarEvent.h */,
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02CE49AA1C6209FD00A2893C /* CalendarEvent.m */,
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02CE49AC1C620C1400A2893C /* CalendarEventParserConstants.h */,
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);
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name = CalendarManager;
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path = ../CalendarManager;
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02CE49A11C61FD3B00A2893C /* CalendarEventParser.m in Sources */,
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