mirror of
https://github.com/gnustep/libs-base.git
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all methods): Implemented.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@593 72102866-910b-0410-8b05-ffd578937521
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mccallum
parent
ee92d8fe84
commit
52d9a70db8
1 changed files with 153 additions and 63 deletions
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@ -21,77 +21,131 @@
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <Foundation/NSCharacterSet.h>
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#include <Foundation/NSBitmapCharSet.h>
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#include <Foundation/NSException.h>
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#include <Foundation/NSBundle.h>
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#include <Foundation/NSData.h>
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/* FIXME: Where should bitmaps go? Maybe should be defined with configure */
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#ifndef BITMAP_PATH
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#define BITMAP_PATH @"/usr/local/share/objects"
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#endif
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@implementation NSCharacterSet
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/* Provide a default object for allocation */
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+ allocWithZone:(NSZone *)zone
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{
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return NSAllocateObject([NSBitmapCharSet self], 0, zone);
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}
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// Creating standard character sets
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+ (NSData *)_bitmapForSet:(NSString *)setname
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{
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NSString *path;
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path = [NSBundle pathForResource:setname
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ofType:@".dat"
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inDirectory:BITMAP_PATH
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withVersion:0];
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/* This is for testing purposes */
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if (path == nil || [path length] == 0)
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{
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path = [NSBundle pathForResource:setname
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ofType:@".dat"
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inDirectory:@"../share"
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withVersion:0];
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}
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if (path == nil || [path length] == 0)
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{
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[NSException raise:NSGenericException
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format:@"Could not find bitmap file %s", [setname cString]];
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/* NOT REACHED */
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}
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return [NSData dataWithContentsOfFile:path];
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}
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+ (NSCharacterSet *)alphanumericCharacterSet
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{
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[self notImplemented:_cmd];
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return 0;
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NSData *data = [self _bitmapForSet:@"alphanumCharSet"];
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return [self characterSetWithBitmapRepresentation:data];
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}
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+ (NSCharacterSet *)controlCharacterSet
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{
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[self notImplemented:_cmd];
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return 0;
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NSData *data = [self _bitmapForSet:@"controlCharSet"];
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return [self characterSetWithBitmapRepresentation:data];
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}
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+ (NSCharacterSet *)decimalDigitCharacterSet
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{
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[self notImplemented:_cmd];
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return 0;
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NSData *data = [self _bitmapForSet:@"decimalCharSet"];
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return [self characterSetWithBitmapRepresentation:data];
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}
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+ (NSCharacterSet *)decomposableCharacterSet
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{
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[self notImplemented:_cmd];
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return 0;
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NSData *data = [self _bitmapForSet:@"decomposableCharSet"];
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fprintf(stderr, "Warning: Decomposable set not yet fully specified\n");
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return [self characterSetWithBitmapRepresentation:data];
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}
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+ (NSCharacterSet *)illegalCharacterSet
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{
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[self notImplemented:_cmd];
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return 0;
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NSData *data = [self _bitmapForSet:@"illegalCharSet"];
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fprintf(stderr, "Warning: Illegal set not yet fully specified\n");
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return [self characterSetWithBitmapRepresentation:data];
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}
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+ (NSCharacterSet *)letterCharacterSet
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{
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[self notImplemented:_cmd];
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return 0;
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NSData *data = [self _bitmapForSet:@"lettercharCharSet"];
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return [self characterSetWithBitmapRepresentation:data];
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}
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+ (NSCharacterSet *)lowercaseLetterCharacterSet
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{
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[self notImplemented:_cmd];
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return 0;
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NSData *data = [self _bitmapForSet:@"lowercaseCharSet"];
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return [self characterSetWithBitmapRepresentation:data];
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}
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+ (NSCharacterSet *)nonBaseCharacterSet
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{
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[self notImplemented:_cmd];
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return 0;
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NSData *data = [self _bitmapForSet:@"nonbaseCharSet"];
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return [self characterSetWithBitmapRepresentation:data];
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}
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+ (NSCharacterSet *)uppercaseLetterCharacterSet
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{
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[self notImplemented:_cmd];
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return 0;
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NSData *data = [self _bitmapForSet:@"uppercaseCharSet"];
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return [self characterSetWithBitmapRepresentation:data];
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}
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+ (NSCharacterSet *)whitespaceAndNewlineCharacterSet
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{
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[self notImplemented:_cmd];
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return 0;
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NSData *data = [self _bitmapForSet:@"whitespaceandnlCharSet"];
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return [self characterSetWithBitmapRepresentation:data];
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}
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+ (NSCharacterSet *)whitespaceCharacterSet
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{
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[self notImplemented:_cmd];
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return 0;
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NSData *data = [self _bitmapForSet:@"whitespaceCharSet"];
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return [self characterSetWithBitmapRepresentation:data];
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}
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@ -99,123 +153,159 @@
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+ (NSCharacterSet *)characterSetWithBitmapRepresentation:(NSData *)data
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{
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[self notImplemented:_cmd];
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return 0;
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return [[[NSBitmapCharSet alloc] initWithBitmap:data] autorelease];
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}
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+ (NSCharacterSet *)characterSetWithCharactersInString:(NSString *)aString
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{
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[self notImplemented:_cmd];
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return 0;
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int i, length;
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char *bytes;
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NSMutableData *bitmap = [NSMutableData dataWithLength:BITMAP_SIZE];
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if (!aString)
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{
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[NSException raise:NSInvalidArgumentException
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format:@"Creating character set with nil string"];
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/* NOT REACHED */
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}
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length = [aString length];
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bytes = [bitmap mutableBytes];
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for (i=0; i < length; i++)
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{
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unichar letter = [aString characterAtIndex:i];
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SETBIT(bytes[letter/8], letter % 8);
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}
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return [self characterSetWithBitmapRepresentation:bitmap];
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}
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+ (NSCharacterSet *)characterSetWithRange:(NSRange)aRange
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{
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[self notImplemented:_cmd];
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return 0;
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int i;
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char *bytes;
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NSMutableData *bitmap = [NSMutableData dataWithLength:BITMAP_SIZE];
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if (NSMaxRange(aRange) > UNICODE_SIZE)
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{
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[NSException raise:NSInvalidArgumentException
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format:@"Specified range exceeds character set"];
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/* NOT REACHED */
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}
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bytes = (char *)[bitmap mutableBytes];
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for (i=aRange.location; i < NSMaxRange(aRange); i++)
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SETBIT(bytes[i/8], i % 8);
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return [self characterSetWithBitmapRepresentation:bitmap];
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}
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/* Other instance methods - only the first TWO must be implemented by all
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subclasses. There is an abstract implementation of the inverted set.
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*/
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- (NSData *)bitmapRepresentation
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{
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[self notImplemented:_cmd];
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[self subclassResponsibility:_cmd];
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return 0;
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}
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- (BOOL)characterIsMember:(unichar)aCharacter
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{
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[self notImplemented:_cmd];
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[self subclassResponsibility:_cmd];
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return 0;
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}
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- (NSCharacterSet *)invertedSet
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{
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[self notImplemented:_cmd];
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return 0;
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int i, length;
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char *bytes;
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NSMutableData *bitmap = [[self bitmapRepresentation] mutableCopy];
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length = [bitmap length];
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bytes = [bitmap mutableBytes];
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for (i=0; i < length; i++)
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bytes[i] = ~bytes[i];
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return [[self class] characterSetWithBitmapRepresentation:bitmap];
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}
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// NSCopying, NSMutableCopying
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/* deepening is done by concrete subclasses */
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- deepen
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{
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return self;
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}
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- (id)copyWithZone:(NSZone *)zone
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{
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if (NSShouldRetainWithZone(self, zone))
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return [self retain];
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else
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return [[super copyWithZone:zone] deepen];
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return [super copyWithZone:zone];
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}
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- (id)mutableCopyWithZone:(NSZone *)zone
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{
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NSMutableCharacterSet *copy;
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copy = [[NSMutableCharacterSet allocWithZone:zone] init];
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[copy formUnionWithCharacterSet:self];
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return copy;
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NSData *bitmap;
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bitmap = [self bitmapRepresentation];
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return [[NSMutableBitmapCharSet allocWithZone:zone] initWithBitmap:bitmap];
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}
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@end
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@implementation NSMutableCharacterSet
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/* Provide a default object for allocation */
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+ allocWithZone:(NSZone *)zone
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{
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return NSAllocateObject([NSMutableBitmapCharSet self], 0, zone);
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}
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/* Override this from NSCharacterSet to create the correct class */
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+ (NSCharacterSet *)characterSetWithBitmapRepresentation:(NSData *)data
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{
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return [[[NSMutableBitmapCharSet alloc] initWithBitmap:data] autorelease];
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}
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/* Mutable subclasses must implement ALL of these methods. */
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- (void)addCharactersInRange:(NSRange)aRange
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{
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[self notImplemented:_cmd];
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[self subclassResponsibility:_cmd];
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}
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- (void)addCharactersInString:(NSString *)aString
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{
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[self notImplemented:_cmd];
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[self subclassResponsibility:_cmd];
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}
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- (void)formUnionWithCharacterSet:(NSCharacterSet *)otherSet
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{
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[self notImplemented:_cmd];
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[self subclassResponsibility:_cmd];
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}
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- (void)formIntersectionWithCharacterSet:(NSCharacterSet *)otherSet
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{
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[self notImplemented:_cmd];
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[self subclassResponsibility:_cmd];
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}
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- (void)removeCharactersInRange:(NSRange)aRange
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{
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[self notImplemented:_cmd];
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[self subclassResponsibility:_cmd];
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}
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- (void)removeCharactersInString:(NSString *)aString
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{
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[self notImplemented:_cmd];
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[self subclassResponsibility:_cmd];
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}
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- (void)invert
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{
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[self notImplemented:_cmd];
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[self subclassResponsibility:_cmd];
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}
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// NSCopying, NSMutableCopying
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/* deepening is done by concrete subclasses */
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- deepen
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{
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return self;
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}
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- (id)copyWithZone:(NSZone *)zone
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{
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return [[super copyWithZone:zone] deepen];
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NSData *bitmap;
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bitmap = [self bitmapRepresentation];
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return [[NSBitmapCharSet allocWithZone:zone] initWithBitmap:bitmap];
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}
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- (id)mutableCopyWithZone:(NSZone *)zone
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{
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return [[super copyWithZone:zone] deepen];
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return [super mutableCopyWithZone:zone];
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}
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@end
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