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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#define OF_CONSTANT_STRING_M
#include <stdlib.h>
#include <string.h>
#import "OFConstantString.h"
#import "OFString_UTF8.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidEncodingException.h"
#import "OFNotImplementedException.h"
#import "OFOutOfMemoryException.h"
#if defined(OF_APPLE_RUNTIME) && !defined(__OBJC2__)
# import <objc/runtime.h>
struct {
struct class *isa, *super_class;
const char *name;
long version, info, instance_size;
struct ivar_list *ivars;
struct method_list **methodLists;
struct cache *cache;
struct protocol_list *protocols;
const char *ivar_layout;
struct class_ext *ext;
} _OFConstantStringClassReference;
#endif
@interface OFString_const: OFString_UTF8
@end
@implementation OFString_const
+ alloc
{
@throw [OFNotImplementedException exceptionWithClass: self
selector: _cmd];
}
- (void*)allocMemoryWithSize: (size_t)size
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (void*)allocMemoryWithSize: (size_t)itemSize
count: (size_t)count
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (void*)resizeMemory: (void*)ptr
size: (size_t)size
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (void*)resizeMemory: (void*)ptr
toNItems: (size_t)nitems
withSize: (size_t)size
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (void)freeMemory: (void*)ptr
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- retain
{
return self;
}
- autorelease
{
return self;
}
- (unsigned int)retainCount
{
return OF_RETAIN_COUNT_MAX;
}
- (void)release
{
}
- (void)dealloc
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
[super dealloc]; /* Get rid of a stupid warning */
}
@end
@implementation OFConstantString
+ (void)load
{
#if defined(OF_APPLE_RUNTIME) && !defined(__OBJC2__)
/*
* objc_setFutureClass suddenly stopped working as OFConstantString
* became more complex. So the only solution is to make
* _OFConstantStringClassRerence the actual class, but there is no
* objc_initializeClassPair in 10.5. However, objc_allocateClassPair
* does not register the new class with the subclass in the ObjC1
* runtime like the ObjC2 runtime does, so this workaround should be
* fine.
*/
Class class;
if ((class = objc_allocateClassPair(self, "OFConstantString_hack",
0)) == NULL)
@throw [OFInitializationFailedException
exceptionWithClass: self];
memcpy(&_OFConstantStringClassReference, class,
sizeof(_OFConstantStringClassReference));
free(class);
objc_registerClassPair((Class)&_OFConstantStringClassReference);
#endif
}
- (void)finishInitialization
{
struct of_string_utf8_ivars *ivars;
if ((ivars = calloc(1, sizeof(*ivars))) == NULL)
@throw [OFOutOfMemoryException
exceptionWithClass: [self class]
requestedSize: sizeof(*ivars)];
ivars->cString = cString;
ivars->cStringLength = cStringLength;
switch (of_string_check_utf8(ivars->cString, ivars->cStringLength,
&ivars->length)) {
case 1:
ivars->UTF8 = YES;
break;
case -1:
free(ivars);
@throw [OFInvalidEncodingException
exceptionWithClass: [self class]];
}
cString = (char*)ivars;
object_setClass(self, [OFString_const class]);
}
+ alloc
{
@throw [OFNotImplementedException exceptionWithClass: self
selector: _cmd];
}
- (void*)allocMemoryWithSize: (size_t)size
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (void*)allocMemoryWithSize: (size_t)size
count: (size_t)count
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (void*)resizeMemory: (void*)ptr
size: (size_t)size
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (void*)resizeMemory: (void*)ptr
size: (size_t)size
count: (size_t)count
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- (void)freeMemory: (void*)ptr
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- retain
{
return self;
}
- autorelease
{
return self;
}
- (unsigned int)retainCount
{
return OF_RETAIN_COUNT_MAX;
}
- (void)release
{
}
- (void)dealloc
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
[super dealloc]; /* Get rid of a stupid warning */
}
/*
* In all following methods, the constant string is converted to an
* OFString_UTF8 and the message sent again.
*/
/* From protocol OFCopying */
- copy
{
[self finishInitialization];
return [self copy];
}
/* From protocol OFMutableCopying */
- mutableCopy
{
[self finishInitialization];
return [self mutableCopy];
}
/* From protocol OFComparing */
- (of_comparison_result_t)compare: (id <OFComparing>)object
{
[self finishInitialization];
return [self compare: object];
}
/* From OFObject, but reimplemented in OFString */
- (BOOL)isEqual: (id)object
{
[self finishInitialization];
return [self isEqual: object];
}
- (uint32_t)hash
{
[self finishInitialization];
return [self hash];
}
- (OFString*)description
{
[self finishInitialization];
return [self description];
}
/* From OFString */
- (const char*)UTF8String
{
[self finishInitialization];
return [self UTF8String];
}
- (const char*)cStringWithEncoding: (of_string_encoding_t)encoding
{
[self finishInitialization];
return [self cStringWithEncoding: encoding];
}
- (size_t)length
{
[self finishInitialization];
return [self length];
}
- (size_t)UTF8StringLength
{
[self finishInitialization];
return [self UTF8StringLength];
}
- (size_t)cStringLengthWithEncoding: (of_string_encoding_t)encoding
{
[self finishInitialization];
return [self cStringLengthWithEncoding: encoding];
}
- (of_comparison_result_t)caseInsensitiveCompare: (OFString*)otherString
{
[self finishInitialization];
return [self caseInsensitiveCompare: otherString];
}
- (of_unichar_t)characterAtIndex: (size_t)index
{
[self finishInitialization];
return [self characterAtIndex: index];
}
- (void)getCharacters: (of_unichar_t*)buffer
inRange: (of_range_t)range
{
[self finishInitialization];
return [self getCharacters: buffer
inRange: range];
}
- (size_t)indexOfFirstOccurrenceOfString: (OFString*)string
{
[self finishInitialization];
return [self indexOfFirstOccurrenceOfString: string];
}
- (size_t)indexOfLastOccurrenceOfString: (OFString*)string
{
[self finishInitialization];
return [self indexOfLastOccurrenceOfString: string];
}
- (BOOL)containsString: (OFString*)string
{
[self finishInitialization];
return [self containsString: string];
}
- (OFString*)substringWithRange: (of_range_t)range
{
[self finishInitialization];
return [self substringWithRange: range];
}
- (OFString*)stringByAppendingString: (OFString*)string
{
[self finishInitialization];
return [self stringByAppendingString: string];
}
- (OFString*)stringByPrependingString: (OFString*)string
{
[self finishInitialization];
return [self stringByPrependingString: string];
}
- (OFString*)uppercaseString
{
[self finishInitialization];
return [self uppercaseString];
}
- (OFString*)lowercaseString
{
[self finishInitialization];
return [self lowercaseString];
}
- (OFString*)stringByDeletingLeadingWhitespaces
{
[self finishInitialization];
return [self stringByDeletingLeadingWhitespaces];
}
- (OFString*)stringByDeletingTrailingWhitespaces
{
[self finishInitialization];
return [self stringByDeletingTrailingWhitespaces];
}
- (OFString*)stringByDeletingEnclosingWhitespaces
{
[self finishInitialization];
return [self stringByDeletingEnclosingWhitespaces];
}
- (BOOL)hasPrefix: (OFString*)prefix
{
[self finishInitialization];
return [self hasPrefix: prefix];
}
- (BOOL)hasSuffix: (OFString*)suffix
{
[self finishInitialization];
return [self hasSuffix: suffix];
}
- (OFArray*)componentsSeparatedByString: (OFString*)delimiter
{
[self finishInitialization];
return [self componentsSeparatedByString: delimiter];
}
- (OFArray*)pathComponents
{
[self finishInitialization];
return [self pathComponents];
}
- (OFString*)lastPathComponent
{
[self finishInitialization];
return [self lastPathComponent];
}
- (OFString*)stringByDeletingLastPathComponent
{
[self finishInitialization];
return [self stringByDeletingLastPathComponent];
}
- (intmax_t)decimalValue
{
[self finishInitialization];
return [self decimalValue];
}
- (uintmax_t)hexadecimalValue
{
[self finishInitialization];
return [self hexadecimalValue];
}
- (float)floatValue
{
[self finishInitialization];
return [self floatValue];
}
- (double)doubleValue
{
[self finishInitialization];
return [self doubleValue];
}
- (const of_unichar_t*)unicodeString
{
[self finishInitialization];
return [self unicodeString];
}
- (const uint16_t*)UTF16String
{
[self finishInitialization];
return [self UTF16String];
}
- (void)writeToFile: (OFString*)path
{
[self finishInitialization];
return [self writeToFile: path];
}
#ifdef OF_HAVE_BLOCKS
- (void)enumerateLinesUsingBlock: (of_string_line_enumeration_block_t)block
{
[self finishInitialization];
return [self enumerateLinesUsingBlock: block];
}
#endif
@end
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