Source/Word.m

   1 /*
   2  * Scrabbalize
   3  * Copyright (c) 2007-2008, Blue Static <http://www.bluestatic.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  10  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  15  */
  16
  17 #import "Word.h"
  18
  19 @interface Word (Private)
  20 - (void)createAlphagram;
  21 @end
  22
  23
  24 @implementation Word
  25
  26 /**
  27  * Creates a new word object
  28  */
  29 - (id)initWithWord:(NSString *)aWord
  30 {
  31         if (self = [super init])
  32         {
  33                 word = [aWord retain];
  34                 [self createAlphagram];
  35         }
  36         return self;
  37 }
  38
  39 /**
  40  * Destructor
  41  */
  42 - (void)dealloc
  43 {
  44         [word release];
  45         [alphagram release];
  46         [super dealloc];
  47 }
  48
  49 /**
  50  * Initialize an object from a keyed archive
  51  */
  52 - (id)initWithCoder:(NSCoder *)coder
  53 {
  54         self = [super init];
  55         word = [[coder decodeObjectForKey:@"KAWord"] retain];
  56         alphagram = [[coder decodeObjectForKey:@"KAAlphagram"] retain];
  57         return self;
  58 }
  59
  60 /**
  61  * Encodes an object for serialization in a keyed archiver
  62  */
  63 - (void)encodeWithCoder:(NSCoder *)coder
  64 {
  65         [coder encodeObject:word forKey:@"KAWord"];
  66         [coder encodeObject:alphagram forKey:@"KAAlphagram"];
  67 }
  68
  69 /**
  70  * Returns the word
  71  */
  72 - (NSString *)word
  73 {
  74         return word;
  75 }
  76
  77 /**
  78  * Gets the length of the word
  79  */
  80 - (int)length
  81 {
  82         return [word length];
  83 }
  84
  85 /**
  86  * Returns the alphagram
  87  */
  88 - (NSString *)alphagram
  89 {
  90         return alphagram;
  91 }
  92
  93 /**
  94  * Generates the alphagram for the word
  95  */
  96 - (void)createAlphagram
  97 {
  98         char *str = (char *)[word UTF8String];
  99
 100         int j;
 101         for (int i = 1; i < [word length]; i++)
 102         {
 103                 char temp = str[i];
 104                 for (j = i; j > 0 && temp < str[j - 1]; j--)
 105                 {
 106                         str[j] = str[j - 1];
 107                 }
 108                 str[j] = temp;
 109         }
 110
 111         alphagram = [[NSString stringWithUTF8String:str] retain];
 112 }
 113
 114 /**
 115  * Description method
 116  */
 117 - (NSString *)description
 118 {
 119         return [NSString stringWithFormat:@"<Word:%@/%@>", word, alphagram];
 120 }
 121
 122 @end