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Implement Smalltalk collection protocol methods for NSDictionary

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Wolfgang Lux 2019-02-22 11:24:15 +01:00
parent b8def7f876
commit f3ce2b7f32
4 changed files with 182 additions and 0 deletions
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7
Languages/Smalltalk/ChangeLog
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@ -1,3 +1,10 @@
2019-02-22 Wolfgang Lux <wolfgang.lux@gmail.com>
* GNUmakefile:
* NSDictionary+additions.h:
* NSDictionary+additions.m:
Implement Smalltalk collection protocol methods for NSDictionary.
2017-12-27 Wolfgang Lux <wolfgang.lux@gmail.com>
* STBlock.m (valueWithArguments:): Remove comma that unintentionally

1
Languages/Smalltalk/GNUmakefile
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@ -29,6 +29,7 @@ BUNDLE_INSTALL_DIR:=$(GNUSTEP_LIBRARY)/StepTalk/Languages
Smalltalk_OBJC_FILES = \
SmalltalkEngine.m \
NSArray+additions.m \
NSDictionary+additions.m \
NSNumber+additions.m \
NSObject+additions.m \
NSString+additions.m \

37
Languages/Smalltalk/NSDictionary+additions.h Normal file
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@ -0,0 +1,37 @@
/**
NSDictionary-additions.m
Various methods for NSDictionary
Copyright (c) 2019 Free Software Foundation
Written by: Wolfgang Lux <wolfgang.lux@gmail.com>
This file is part of the StepTalk project.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#import <Foundation/NSDictionary.h>
@class STBlock;
@interface NSDictionary (STCollecting)
- do:(STBlock *)block;
- select:(STBlock *)block;
- reject:(STBlock *)block;
- collect:(STBlock *)block;
- detect:(STBlock *)block;
@end

137
Languages/Smalltalk/NSDictionary+additions.m Normal file
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@ -0,0 +1,137 @@
/**
NSDictionary-additions.m
Various methods for NSDictionary
Copyright (c) 2019 Free Software Foundation
Written by: Wolfgang Lux <wolfgang.lux@gmail.com>
This file is part of the StepTalk project.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#import "NSDictionary+additions.h"
#import "NSNumber+additions.h"
#import "STBlock.h"
#import <Foundation/NSAutoreleasePool.h>
#import <Foundation/NSEnumerator.h>
#import <StepTalk/STExterns.h>
@implementation NSDictionary (STCollecting)
- do:(STBlock *)block
{
NSEnumerator *enumerator;
id object;
id retval = nil;
enumerator = [self objectEnumerator];
while( (object = [enumerator nextObject]) )
{
retval = [block value:object];
}
return retval;
}
- select:(STBlock *)block
{
NSMutableDictionary *dictionary;
NSEnumerator *enumerator;
id key;
id object;
id value;
dictionary = [NSMutableDictionary dictionary];
enumerator = [self keyEnumerator];
while( (key = [enumerator nextObject]) )
{
object = [self objectForKey:key];
value = [block value:object];
if([(NSNumber *)value isTrue])
{
[dictionary setObject:object forKey:key];
}
}
return [NSDictionary dictionaryWithDictionary: dictionary];
}
- reject:(STBlock *)block
{
NSMutableDictionary *dictionary;
NSEnumerator *enumerator;
id key;
id object;
id value;
dictionary = [NSMutableDictionary dictionary];
enumerator = [self keyEnumerator];
while( (key = [enumerator nextObject]) )
{
object = [self objectForKey:key];
value = [block value:object];
if([(NSNumber *)value isFalse])
{
[dictionary setObject:object forKey:key];
}
}
return [NSDictionary dictionaryWithDictionary: dictionary];
}
- collect:(STBlock *)block
{
NSMutableDictionary *dictionary;
NSEnumerator *enumerator;
id key;
id value;
dictionary = [NSMutableDictionary dictionary];
enumerator = [self keyEnumerator];
while( (key = [enumerator nextObject]) )
{
value = [block value:[self objectForKey:key]];
if (value == nil)
value = STNil;
[dictionary setObject:value forKey:key];
}
return [NSDictionary dictionaryWithDictionary: dictionary];
}
- detect:(STBlock *)block
{
NSEnumerator *enumerator;
id object;
id retval = nil;
enumerator = [self objectEnumerator];
while( (object = [enumerator nextObject]) )
{
retval = [block value:object];
if([(NSNumber *)retval isTrue])
{
return object;
}
}
return retval;
}
@end