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/* Concrete implementation of NSArray based on GNU Array class Copyright (C) 1995 Free Software Foundation, Inc. Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu> Date: March 1995 This file is part of the GNU Objective C Class Library. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <Foundation/NSGArray.h> #include <objects/NSArray.h> #include <objects/behavior.h> #include <objects/Array.h> #include <objects/ArrayPrivate.h> #include <Foundation/NSException.h> @implementation NSGArray + (void) initialize { static int done = 0; assert(!done); /* xxx see what the runtime is up to. */ if (!done) { done = 1; class_add_behavior([NSGArray class], [Array class]); } } /* This is the designated initializer for NSArray. */ - initWithObjects: (id*)objects count: (unsigned)count { int i; for (i = 0; i < count; i++) if (objects[i] == nil) [NSException raise:NSInvalidArgumentException format:@"Tried to add nil"]; /* "super" call into IndexedCollection */ #if 1 CALL_METHOD_IN_CLASS([IndexedCollection class], initWithType:, @encode(id)); #else (*(imp)) #endif _comparison_function = elt_get_comparison_function(@encode(id)); _grow_factor = [[self class] defaultGrowFactor]; _count = count; _capacity = (count < 1) ? 1 : count; OBJC_MALLOC(_contents_array, elt, _capacity); while (count--) { [objects[count] retain]; _contents_array[count] = objects[count]; } return self; } - (unsigned) count { return _count; } /* Force message to go to super class rather than the behavior class */ - (unsigned) indexOfObject: anObject { return [super indexOfObject: anObject]; } - objectAtIndex: (unsigned)index { if (index >= _count) [NSException raise:NSRangeException format:@"Index out of bounds"]; return _contents_array[index].id_u; } @end @implementation NSGMutableArray + (void) initialize { static int done = 0; if (!done) { done = 1; class_add_behavior([NSGMutableArray class], [NSGArray class]); class_add_behavior([NSGMutableArray class], [Array class]); } } - initWithCapacity: (unsigned)numItems { /* "super" call into IndexedCollection */ CALL_METHOD_IN_CLASS([IndexedCollection class], initWithType:, @encode(id)); _comparison_function = elt_get_comparison_function(@encode(id)); _grow_factor = [[self class] defaultGrowFactor]; _count = 0; _capacity = (numItems < 1) ? 1 : numItems; OBJC_MALLOC(_contents_array, elt, _capacity); return self; } /* Comes in from Array behavior - (void) addObject: anObject - (void)insertObject: anObject atIndex: (unsigned)index */ - (void) replaceObjectAtIndex: (unsigned)index withObject: anObject { [self replaceObjectAtIndex: index with: anObject]; } @end
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