| /* |
| * Copyright (C) 2018 Savoir-faire Linux Inc. |
| * Author: Kateryna Kostiuk <kateryna.kostiuk@savoirfairelinux.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #import "NSString+Extensions.h" |
| |
| @implementation NSString (Extensions) |
| |
| - (NSString *) removeAllNewLinesAtTheEnd { |
| NSString *result = self; |
| while ([result endedByEmptyLine]) { |
| result = [result removeLastWhiteSpaceAndNewLineCharacter]; |
| } |
| return result; |
| } |
| |
| - (NSString *) removeAllNewLinesAtBegining { |
| NSString *result = self; |
| while ([result startByEmptyLine]) { |
| result = [result removeFirstWhiteSpaceAndNewLineCharacter]; |
| } |
| return result; |
| } |
| |
| - (NSString *) removeEmptyLinesAtBorders { |
| NSString *result = self; |
| result = [result removeAllNewLinesAtBegining]; |
| result = [result removeAllNewLinesAtTheEnd]; |
| return result; |
| } |
| |
| -(bool)endedByEmptyLine { |
| if ([self length] < 1) { |
| return false; |
| } |
| unichar last = [self characterAtIndex:[self length] - 1]; |
| return [[NSCharacterSet whitespaceAndNewlineCharacterSet] characterIsMember:last]; |
| } |
| |
| - (bool)startByEmptyLine { |
| if ([self length] < 1) { |
| return false; |
| } |
| unichar first = [self characterAtIndex:0]; |
| return [[NSCharacterSet whitespaceAndNewlineCharacterSet] characterIsMember:first]; |
| } |
| |
| - (NSString *) removeLastWhiteSpaceAndNewLineCharacter { |
| if ([self endedByEmptyLine]) { |
| return [self substringToIndex:[self length]-1]; |
| } |
| return self; |
| } |
| |
| - (NSString *) removeFirstWhiteSpaceAndNewLineCharacter { |
| if ([self startByEmptyLine]) { |
| return [self substringFromIndex:1]; |
| } |
| return self; |
| } |
| |
| @end |