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Improve dictionary lookup for strings.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@3003 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 1998-10-01 05:22:47 +00:00
parent c4337b9ca9
commit 1601128ae7
4 changed files with 80 additions and 5 deletions
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37
Source/NSGCString.m
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@ -267,16 +267,48 @@ static Class mutableClass;
return [NSString defaultCStringEncoding];
}
- (BOOL) isEqual: (id)anObject
{
Class c;
if (anObject == self)
return YES;
c = ((NSGCString*)anObject)->isa; /* Hack. */
if (c == immutableClass || c == mutableClass)
{
NSGCString *other = (NSGCString*)anObject;
if (_count != other->_count)
return NO;
if (_hash == 0)
if ((_hash = [super hash]) == 0)
_hash = 0xffffffff;
if (other->_hash == 0) [other hash];
if (_hash != other->_hash)
return NO;
if (memcmp(_contents_chars, other->_contents_chars, _count) != 0)
return NO;
return YES;
}
else if ([c isKindOfClass: [NSString class]])
return [super isEqualToString: (NSString*)anObject];
else
return [super isEqual: anObject];
}
- (BOOL) isEqualToString: (NSString*)aString
{
Class c = [aString class];
Class c;
c = ((NSGCString*)aString)->isa; /* Hack. */
if (c == immutableClass || c == mutableClass)
{
NSGCString *other = (NSGCString*)aString;
if (_count != other->_count)
return NO;
if (_hash && other->_hash && (_hash != other->_hash))
if (_hash == 0) [self hash];
if (other->_hash == 0) [other hash];
if (_hash != other->_hash)
return NO;
if (memcmp(_contents_chars, other->_contents_chars, _count) != 0)
return NO;
@ -284,7 +316,6 @@ static Class mutableClass;
}
else
return [super isEqualToString: aString];
return YES;
}