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805 | - | 1 | // |
2 | // SynthesizeSingleton.h |
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3 | // CocoaWithLove |
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4 | // |
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5 | // Created by Matt Gallagher on 20/10/08. |
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6 | // Copyright 2009 Matt Gallagher. All rights reserved. |
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7 | // |
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8 | // Permission is given to use this source code file without charge in any |
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9 | // project, commercial or otherwise, entirely at your risk, with the condition |
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10 | // that any redistribution (in part or whole) of source code must retain |
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11 | // this copyright and permission notice. Attribution in compiled projects is |
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12 | // appreciated but not required. |
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13 | // |
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14 | |||
15 | #define SYNTHESIZE_SINGLETON_FOR_CLASS(classname) \ |
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16 | \ |
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17 | static classname *shared##classname = nil; \ |
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18 | \ |
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19 | + (classname *)shared##classname \ |
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20 | { \ |
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21 | @synchronized(self) \ |
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22 | { \ |
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23 | if (shared##classname == nil) \ |
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24 | { \ |
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25 | shared##classname = [[self alloc] init]; \ |
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26 | } \ |
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27 | } \ |
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28 | \ |
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29 | return shared##classname; \ |
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30 | } \ |
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31 | \ |
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32 | + (id)allocWithZone:(NSZone *)zone \ |
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33 | { \ |
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34 | @synchronized(self) \ |
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35 | { \ |
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36 | if (shared##classname == nil) \ |
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37 | { \ |
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38 | shared##classname = [super allocWithZone:zone]; \ |
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39 | return shared##classname; \ |
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40 | } \ |
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41 | } \ |
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42 | \ |
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43 | return nil; \ |
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44 | } \ |
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45 | \ |
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46 | - (id)copyWithZone:(NSZone *)zone \ |
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47 | { \ |
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48 | return self; \ |
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49 | } \ |
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50 | \ |
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51 | - (id)retain \ |
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52 | { \ |
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53 | return self; \ |
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54 | } \ |
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55 | \ |
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56 | - (NSUInteger)retainCount \ |
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57 | { \ |
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58 | return NSUIntegerMax; \ |
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59 | } \ |
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60 | \ |
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61 | - (void)release \ |
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62 | { \ |
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63 | } \ |
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64 | \ |
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65 | - (id)autorelease \ |
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66 | { \ |
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67 | return self; \ |
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68 | } |