ResKnife/Cocoa/Categories/NGSCategories.m

271 lines
8.8 KiB
Objective-C

#import "NGSCategories.h"
@implementation NSArray (NGSIndexExtensions)
- (NSArray *)subarrayWithIndicies:(NSIndexSet *)indicies
{
NSRange range = {0,[self count]};
unsigned int count = [indicies count];
unsigned int *buffer = (unsigned int *) calloc(count, sizeof(int));
NSMutableArray *newArray = [NSMutableArray arrayWithCapacity:count];
[indicies getIndexes:buffer maxCount:count inIndexRange:&range];
for(unsigned int i = 0; i < count; i++)
[newArray addObject:[self objectAtIndex:*(buffer+i)]];
return [NSArray arrayWithArray:newArray];
}
@end
@implementation NSArray (NGSKeyValueExtensions)
- (int)indexOfFirstObjectReturningValue:(id)value forKey:(id)key
{
return [[self valueForKey:key] indexOfObject:value];
}
- (id)firstObjectReturningValue:(id)value forKey:(id)key
{
int index = [[self valueForKey:key] indexOfObject:value];
if(index != NSNotFound)
return [self objectAtIndex:index];
else return nil;
}
- (NSArray *)objectsReturningValue:(id)value forKey:(id)key
{
id object;
NSMutableArray *array = [NSMutableArray array];
NSEnumerator *enumerator = [self objectEnumerator];
while(object = [enumerator nextObject])
if([[object valueForKey:key] isEqual:value])
[array addObject:object];
return [NSArray arrayWithArray:array];
}
- (NSArray *)arrayByMakingObjectsPerformSelector:(SEL)selector withObject:(id)inObject
{
id object;
NSMutableArray *array = [NSMutableArray array];
NSEnumerator *enumerator = [self objectEnumerator];
while(object = [enumerator nextObject])
[array addObject:[object performSelector:selector withObject:inObject]];
return [NSArray arrayWithArray:array];
}
@end
#pragma mark -
@implementation NSCharacterSet (NGSCharacterSetExtensions)
#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4
+ (NSCharacterSet *)newlineCharacterSet
{
unsigned char bitmapRep[8192];
bitmapRep[0x0A >> 3] |= (((unsigned int)1) << (0x0A & 7));
bitmapRep[0x0B >> 3] |= (((unsigned int)1) << (0x0B & 7));
bitmapRep[0x0C >> 3] |= (((unsigned int)1) << (0x0C & 7));
bitmapRep[0x0D >> 3] |= (((unsigned int)1) << (0x0D & 7));
bitmapRep[0x85 >> 3] |= (((unsigned int)1) << (0x85 & 7));
NSData *data = [NSData dataWithBytesNoCopy:bitmapRep length:8192 freeWhenDone:YES];
return [NSCharacterSet characterSetWithBitmapRepresentation:data];
}
#endif
+ (NSCharacterSet *)tabCharacterSet
{
unsigned char bitmapRep[8192];
bitmapRep[0x09 >> 3] |= (((unsigned int)1) << (0x09 & 7));
bitmapRep[0x0B >> 3] |= (((unsigned int)1) << (0x0B & 7));
NSData *data = [NSData dataWithBytesNoCopy:bitmapRep length:8192 freeWhenDone:YES];
return [NSCharacterSet characterSetWithBitmapRepresentation:data];
}
@end
#pragma mark -
@implementation NSIndexSet (NGSIndicies)
+ (id)indexSetWithIndiciesInRange:(NSRange)range
{ return [NSIndexSet indexSetWithIndexesInRange:range]; }
- (id)initWithIndiciesInRange:(NSRange)range
{ return [self initWithIndexesInRange:range]; }
- (unsigned int)getIndicies:(unsigned int *)indexBuffer maxCount:(unsigned int)bufferSize inIndexRange:(NSRangePointer)range
{ return [self getIndexes:indexBuffer maxCount:bufferSize inIndexRange:range]; }
- (BOOL)containsIndiciesInRange:(NSRange)range
{ return [self containsIndexesInRange:range]; }
- (BOOL)containsIndicies:(NSIndexSet *)indexSet
{ return [self containsIndexes:indexSet]; }
- (BOOL)intersectsIndiciesInRange:(NSRange)range
{ return [self intersectsIndexesInRange:range]; }
@end
@implementation NSMutableIndexSet (NGSIndicies)
- (void)addIndicies:(NSIndexSet *)indexSet
{ [self addIndexes:indexSet]; }
- (void)removeIndicies:(NSIndexSet *)indexSet
{ [self removeIndexes:indexSet]; }
- (void)removeAllIndicies
{ [self removeAllIndexes]; }
- (void)addIndiciesInRange:(NSRange)range
{ [self addIndexesInRange:range]; }
- (void)removeIndiciesInRange:(NSRange)range
{ [self removeIndexesInRange:range]; }
- (void)shiftIndiciesStartingAtIndex:(unsigned int)index by:(int)delta
{ [self shiftIndexesStartingAtIndex:index by:delta]; }
@end
#pragma mark -
@implementation NSNumber (NGSRangeExtensions)
- (BOOL)isWithinRange:(NSRange)range // location <= self <= location+length
{
// e.g. for {6,1} a value of 6.000 will return true, as will 7.000
return [self compare:[NSNumber numberWithInt:range.location]] != NSOrderedAscending && [self compare:[NSNumber numberWithInt:range.location+range.length]] != NSOrderedDescending;
}
- (BOOL)isExclusivelyWithinRange:(NSRange)range // location < self < location+length
{
// e.g. for {6,1} a value of 6.000 will return false, 6.001 will return true, 6.999 will return true, 7.000 false
return [self compare:[NSNumber numberWithInt:range.location]] == NSOrderedDescending && [self compare:[NSNumber numberWithInt:range.location+range.length]] == NSOrderedAscending;
}
- (BOOL)isBoundedByRange:(NSRange)range // location <= self < location+length
{
// e.g. for {6,1} a value of 6.000 will return true, 6.999 will return true, 7.000 will not
return [self compare:[NSNumber numberWithInt:range.location]] != NSOrderedAscending && [self compare:[NSNumber numberWithInt:range.location+range.length]] == NSOrderedAscending;
}
@end
#pragma mark -
@implementation NSString (NGSFSSpecExtensions)
- (FSRef *)createFSRef
{
// caller is responsible for disposing of the FSRef (method is a 'create' method)
FSRef *fsRef = (FSRef *) NewPtrClear(sizeof(FSRef));
OSStatus error = FSPathMakeRef((const UInt8 *)[self fileSystemRepresentation], fsRef, NULL);
if(error != noErr) fsRef = NULL;
return fsRef;
}
- (FSSpec *)createFSSpec
{
// caller is responsible for disposing of the FSSpec (method is a 'create' method)
FSRef *fsRef = (FSRef *) NewPtrClear(sizeof(FSRef));
FSSpec *fsSpec = (FSSpec *) NewPtrClear(sizeof(FSSpec));
OSStatus error = FSPathMakeRef((const UInt8 *)[self fileSystemRepresentation], fsRef, NULL);
if(error == noErr)
{
error = FSGetCatalogInfo(fsRef, kFSCatInfoNone, NULL, NULL, fsSpec, NULL);
if(error == noErr)
{
DisposePtr((Ptr)fsRef);
return fsSpec;
}
}
DisposePtr((Ptr)fsRef);
DisposePtr((Ptr)fsSpec);
return NULL;
}
@end
@implementation NSString (NGSBooleanExtensions)
#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4
- (BOOL)boolValue
{
return ![self isEqualToString:@"NO"];
}
#endif
+ (NSString *)stringWithBool:(BOOL)boolean
{
return boolean? @"YES" : @"NO";
}
@end
#pragma mark -
#if MAC_OS_X_VERSION_10_3 <= MAC_OS_X_VERSION_MAX_ALLOWED
/*
@implementation NSMatrix (NGSSelectionIndicies)
- (NSIndexSet *)selectedRows
{
int numRows, numCols;
NSMutableIndexSet *rows = [[NSMutableIndexSet alloc] init];
[self getNumberOfRows:&numRows columns:&numCols];
for(int r = 0; r < numRows; r++)
{
for(int c = 0; c < numCols; c++)
{
if()
{
c = numCols;
continue;
}
}
}
}
- (NSIndexSet *)selectedColumns
{
NSMutableIndexSet *columns = [[NSMutableIndexSet alloc] init];
}
@end
*/
#endif
@implementation NSOutlineView (NGSSelectedItemExtensions)
- (id)selectedItem
{
if([self numberOfSelectedRows] != 1) return nil;
else return [self itemAtRow:[self selectedRow]];
}
- (NSArray *)selectedItems;
{
NSNumber *row;
NSMutableArray *items = [NSMutableArray array];
NSEnumerator *enumerator = [self selectedRowEnumerator];
while(row = [enumerator nextObject])
[items addObject:[self itemAtRow:[row intValue]]];
return items;
}
@end
#pragma mark -
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
@implementation NSGradient (NGSGradientExtensions)
+ (NSGradient *)aquaGradient
{
NSGradient *gradient = [[NSGradient alloc] initWithColorsAndLocations:
[NSColor colorWithCalibratedWhite: 0.95 alpha: 1.0], 0.0,
[NSColor colorWithCalibratedWhite: 0.83 alpha: 1.0], 0.5,
[NSColor colorWithCalibratedWhite: 0.95 alpha: 1.0], 0.5,
[NSColor colorWithCalibratedWhite: 0.92 alpha: 1.0], 1.0, nil];
return [gradient autorelease];
}
+ (NSGradient *)aquaGradientWithAlpha:(CGFloat)alpha
{
NSGradient *gradient = [[NSGradient alloc] initWithColorsAndLocations:
[NSColor colorWithCalibratedWhite: 0.95 alpha: alpha], 0.0,
[NSColor colorWithCalibratedWhite: 0.83 alpha: alpha], 0.5,
[NSColor colorWithCalibratedWhite: 0.95 alpha: alpha], 0.5,
[NSColor colorWithCalibratedWhite: 0.92 alpha: alpha], 1.0, nil];
return [gradient autorelease];
}
- (NSGradient *)gradientWithAlpha:(CGFloat)alpha
{
NSColor *colour;
NSInteger stops = [self numberOfColorStops];
NSMutableArray *colours = [NSMutableArray array];
CGFloat *locations = (CGFloat *) calloc(sizeof(CGFloat), stops);
for(NSInteger i = 0; i < stops; i++)
{
[self getColor: &colour location: &(locations[i]) atIndex: i];
[colours addObject: [colour colorWithAlphaComponent: alpha]];
}
NSGradient *gradient = [[NSGradient alloc] initWithColors: colours atLocations: locations colorSpace: [self colorSpace]];
return [gradient autorelease];
}
@end
#endif
#pragma mark -
/* CGLContext access for pre-10.3 */
@implementation NSOpenGLContext (CGLContextAccess)
- (CGLContextObj)cglContext;
{
if(NSAppKitVersionNumber < 700.0)
return _contextAuxiliary;
else return (CGLContextObj) [self CGLContextObj];
}
@end