Source/Word.m

   1 /*
   2  * Scrabbalize
   3  * Copyright (c) 2007, 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         }
  35         return self;
  36 }
  37
  38 /**
  39  * Destructor
  40  */
  41 - (void)dealloc
  42 {
  43         [word release];
  44         [alphagram release];
  45         [super dealloc];
  46 }
  47
  48 /**
  49  * Initialize an object from a keyed archive
  50  */
  51 - (id)initWithCoder:(NSCoder *)coder
  52 {
  53         self = [super init];
  54         word = [[coder decodeObjectForKey:@"KAWord"] retain];
  55         alphagram = [[coder decodeObjectForKey:@"KAAlphagram"] retain];
  56         return self;
  57 }
  58
  59 /**
  60  * Encodes an object for serialization in a keyed archiver
  61  */
  62 - (void)encodeWithCoder:(NSCoder *)coder
  63 {
  64         [coder encodeObject:word forKey:@"KAWord"];
  65         [coder encodeObject:alphagram forKey:@"KAAlphagram"];
  66 }
  67
  68 /**
  69  * Returns the word
  70  */
  71 - (NSString *)word
  72 {
  73         return word;
  74 }
  75
  76 /**
  77  * Gets the length of the word
  78  */
  79 - (int)length
  80 {
  81         return [word length];
  82 }
  83
  84 /**
  85  * Returns the alphagram
  86  */
  87 - (NSString *)alphagram
  88 {
  89         return alphagram;
  90 }
  91
  92 /**
  93  * Generates the alphagram for the word
  94  */
  95 - (void)createAlphagram
  96 {
  97         char *str = (char *)[word UTF8String];
  98
  99         int j;
 100         for (int i = 1; i < [word length]; i++)
 101         {
 102                 char temp = str[i];
 103                 for (j = i; j > 0 && temp < str[j - 1]; j--)
 104                 {
 105                         str[j] = str[j - 1];
 106                 }
 107                 str[j] = temp;
 108         }
 109
 110         alphagram = [[NSString stringWithUTF8String:str] retain];
 111 }
 112
 113 /**
 114  * Description method
 115  */
 116 - (NSString *)description
 117 {
 118         return [NSString stringWithFormat:@"<Word:%@/%@>", word, alphagram];
 119 }
 120
 121 @end