Line data    Source code

       1           0 : /*
       2             : 
       3             : NSScannerOOExtensions.m
       4             : 
       5             : Oolite
       6             : Copyright (C) 2004-2013 Giles C Williams and contributors
       7             : 
       8             : This program is free software; you can redistribute it and/or
       9             : modify it under the terms of the GNU General Public License
      10             : as published by the Free Software Foundation; either version 2
      11             : of the License, or (at your option) any later version.
      12             : 
      13             : This program is distributed in the hope that it will be useful,
      14             : but WITHOUT ANY WARRANTY; without even the implied warranty of
      15             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      16             : GNU General Public License for more details.
      17             : 
      18             : You should have received a copy of the GNU General Public License
      19             : along with this program; if not, write to the Free Software
      20             : Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
      21             : MA 02110-1301, USA.
      22             : 
      23             : */
      24             : 
      25             : #import "NSScannerOOExtensions.h"
      26             : 
      27             : 
      28             : @implementation NSScanner (OOExtensions)
      29             : 
      30             : - (BOOL) ooliteScanCharactersFromSet:(NSCharacterSet *)set intoString:(NSString **)value
      31             : {
      32             :         NSUInteger              currentLocation = [self scanLocation];
      33             :         NSRange                 matchedRange = NSMakeRange( currentLocation, 0);
      34             :         NSString                *scanString = [self string];
      35             :         NSUInteger              scanLength = [scanString length];
      36             :         
      37             :         while ((currentLocation < scanLength)&&([set characterIsMember:[scanString characterAtIndex:currentLocation]]))
      38             :         {
      39             :                 currentLocation++;
      40             :         }
      41             :         
      42             :         [self setScanLocation:currentLocation];
      43             :         
      44             :         matchedRange.length = currentLocation - matchedRange.location;
      45             :         
      46             :         if (!matchedRange.length)  return NO;
      47             :         
      48             :         if (value != NULL)
      49             :         {
      50             :                 *value = [scanString substringWithRange:matchedRange];
      51             :         }
      52             :         
      53             :         return YES;
      54             : }
      55             : 
      56             : 
      57             : - (BOOL) ooliteScanUpToCharactersFromSet:(NSCharacterSet *)set intoString:(NSString **)value
      58             : {
      59             :         NSUInteger              currentLocation = [self scanLocation];
      60             :         NSRange                 matchedRange = NSMakeRange( currentLocation, 0);
      61             :         NSString                *scanString = [self string];
      62             :         NSUInteger              scanLength = [scanString length];
      63             :         
      64             :         while ((currentLocation < scanLength)&&(![set characterIsMember:[scanString characterAtIndex:currentLocation]]))
      65             :         {
      66             :                 currentLocation++;
      67             :         }
      68             :         
      69             :         [self setScanLocation:currentLocation];
      70             :         
      71             :         matchedRange.length = currentLocation - matchedRange.location;
      72             :         
      73             :         if (!matchedRange.length)  return NO;
      74             :         
      75             :         if (value != NULL)
      76             :         {
      77             :                 *value = [scanString substringWithRange:matchedRange];
      78             :         }
      79             :         
      80             :         return YES;
      81             : }
      82             : 
      83             : @end