//
//  NSString-Versioning.h
//  SubjectiveScript.m
//
//  Created by Kevin Malakoff on 7/22/12.
//  Copyright (c) 2012 Kevin Malakoff. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person
//  obtaining a copy of this software and associated documentation
//  files (the "Software"), to deal in the Software without
//  restriction, including without limitation the rights to use,
//  copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the
//  Software is furnished to do so, subject to the following
//  conditions:
//
//  The above copyright notice and this permission notice shall be
//  included in all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
//  OTHER DEALINGS IN THE SOFTWARE.
//
// Technique from http://stackoverflow.com/questions/3339722/check-iphone-ios-version
//

#import "NSString+Versioning.h"

@implementation NSString (Versioning)

- (B(^)(NSS* version))VersionEqualTo
{
  return ^B(NSS* version) {
    return ([self compare:version options:NSNumericSearch] == NSOrderedSame);
  };
}

- (B(^)(NSS* version))VersionGreaterThan
{
  return ^B(NSS* version) {
    return ([self compare:version options:NSNumericSearch] == NSOrderedDescending);
  };
}

- (B(^)(NSS* version))VersionGreaterThanOrEqualTo
{
  return ^B(NSS* version) {
    return ([self compare:version options:NSNumericSearch] != NSOrderedAscending);
  };
}

- (B(^)(NSS* version))VersionLessThan
{
  return ^B(NSS* version) {
    return ([self compare:version options:NSNumericSearch] == NSOrderedAscending);
  };
}

- (B(^)(NSS* version))VersionLessThanOrEqualTo
{
  return ^B(NSS* version) {
    return ([self compare:version options:NSNumericSearch] != NSOrderedDescending);
  };
}

@end