/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
* Jonathan Schleifer <js@heap.zone>
*
* 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.
*/
#define OF_CONSTANT_STRING_M
#include "config.h"
#include <stdlib.h>
#include <string.h>
#import "OFConstantString.h"
#import "OFString_UTF8.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidEncodingException.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 **method_lists;
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
{
OF_UNRECOGNIZED_SELECTOR
}
- (void *)allocMemoryWithSize: (size_t)size
{
OF_UNRECOGNIZED_SELECTOR
}
- (void *)allocMemoryWithSize: (size_t)size
count: (size_t)count
{
OF_UNRECOGNIZED_SELECTOR
}
- (void *)resizeMemory: (void *)pointer
size: (size_t)size
{
OF_UNRECOGNIZED_SELECTOR
}
- (void *)resizeMemory: (void *)pointer
size: (size_t)size
count: (size_t)count
{
OF_UNRECOGNIZED_SELECTOR
}
- (void)freeMemory: (void *)pointer
{
OF_UNRECOGNIZED_SELECTOR
}
- retain
{
return self;
}
- autorelease
{
return self;
}
- (unsigned int)retainCount
{
return OF_RETAIN_COUNT_MAX;
}
- (void)release
{
}
- (void)dealloc
{
OF_DEALLOC_UNSUPPORTED
}
@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
{
@synchronized (self) {
struct of_string_utf8_ivars *ivars;
if (object_getClass(self) == [OFString_const class])
return;
if ((ivars = calloc(1, sizeof(*ivars))) == NULL)
@throw [OFOutOfMemoryException
exceptionWithRequestedSize: sizeof(*ivars)];
ivars->cString = _cString;
ivars->cStringLength = _cStringLength;
switch (of_string_utf8_check(ivars->cString,
ivars->cStringLength,
&ivars->length)) {
case 1:
ivars->isUTF8 = true;
break;
case -1:
free(ivars);
@throw [OFInvalidEncodingException exception];
}
_cString = (char *)ivars;
object_setClass(self, [OFString_const class]);
}
}
+ alloc
{
OF_UNRECOGNIZED_SELECTOR
}
- (void *)allocMemoryWithSize: (size_t)size
{
OF_UNRECOGNIZED_SELECTOR
}
- (void *)allocMemoryWithSize: (size_t)size
count: (size_t)count
{
OF_UNRECOGNIZED_SELECTOR
}
- (void *)resizeMemory: (void *)pointer
size: (size_t)size
{
OF_UNRECOGNIZED_SELECTOR
}
- (void *)resizeMemory: (void *)pointer
size: (size_t)size
count: (size_t)count
{
OF_UNRECOGNIZED_SELECTOR
}
- (void)freeMemory: (void *)pointer
{
OF_UNRECOGNIZED_SELECTOR
}
- retain
{
return self;
}
- autorelease
{
return self;
}
- (unsigned int)retainCount
{
return OF_RETAIN_COUNT_MAX;
}
- (void)release
{
}
- (void)dealloc
{
OF_DEALLOC_UNSUPPORTED
}
/*
* 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];
}
- (size_t)getCString: (char *)cString_
maxLength: (size_t)maxLength
encoding: (of_string_encoding_t)encoding
{
[self finishInitialization];
return [self getCString: cString_
maxLength: maxLength
encoding: encoding];
}
- (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];
[self getCharacters: buffer
inRange: range];
}
- (of_range_t)rangeOfString: (OFString *)string
{
[self finishInitialization];
return [self rangeOfString: string];
}
- (of_range_t)rangeOfString: (OFString *)string
options: (int)options
{
[self finishInitialization];
return [self rangeOfString: string
options: options];
}
- (of_range_t)rangeOfString: (OFString *)string
options: (int)options
range: (of_range_t)range
{
[self finishInitialization];
return [self rangeOfString: string
options: options
range: range];
}
- (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 *)stringByAppendingFormat: (OFConstantString *)format
arguments: (va_list)arguments
{
[self finishInitialization];
return [self stringByAppendingFormat: format
arguments: arguments];
}
- (OFString *)stringByAppendingPathComponent: (OFString *)component
{
[self finishInitialization];
return [self stringByAppendingPathComponent: component];
}
- (OFString *)stringByPrependingString: (OFString *)string
{
[self finishInitialization];
return [self stringByPrependingString: string];
}
- (OFString *)stringByReplacingOccurrencesOfString: (OFString *)string
withString: (OFString *)replacement
{
[self finishInitialization];
return [self stringByReplacingOccurrencesOfString: string
withString: replacement];
}
- (OFString *)stringByReplacingOccurrencesOfString: (OFString *)string
withString: (OFString *)replacement
options: (int)options
range: (of_range_t)range
{
[self finishInitialization];
return [self stringByReplacingOccurrencesOfString: string
withString: replacement
options: options
range: range];
}
- (OFString *)uppercaseString
{
[self finishInitialization];
return [self uppercaseString];
}
- (OFString *)lowercaseString
{
[self finishInitialization];
return [self lowercaseString];
}
- (OFString *)capitalizedString
{
[self finishInitialization];
return [self capitalizedString];
}
- (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 *)componentsSeparatedByString: (OFString *)delimiter
options: (int)options
{
[self finishInitialization];
return [self componentsSeparatedByString: delimiter
options: options];
}
- (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];
}
- (uintmax_t)octalValue
{
[self finishInitialization];
return [self octalValue];
}
- (float)floatValue
{
[self finishInitialization];
return [self floatValue];
}
- (double)doubleValue
{
[self finishInitialization];
return [self doubleValue];
}
- (const of_unichar_t *)characters
{
[self finishInitialization];
return [self characters];
}
- (const char16_t *)UTF16String
{
[self finishInitialization];
return [self UTF16String];
}
- (const char16_t *)UTF16StringWithByteOrder: (of_byte_order_t)byteOrder
{
[self finishInitialization];
return [self UTF16StringWithByteOrder: byteOrder];
}
- (size_t)UTF16StringLength
{
[self finishInitialization];
return [self UTF16StringLength];
}
- (const char32_t *)UTF32String
{
[self finishInitialization];
return [self UTF32String];
}
- (const char32_t *)UTF32StringWithByteOrder: (of_byte_order_t)byteOrder
{
[self finishInitialization];
return [self UTF32StringWithByteOrder: byteOrder];
}
- (OFData *)dataWithEncoding: (of_string_encoding_t)encoding
{
[self finishInitialization];
return [self dataWithEncoding: encoding];
}
#ifdef OF_HAVE_UNICODE_TABLES
- (OFString *)decomposedStringWithCanonicalMapping
{
[self finishInitialization];
return [self decomposedStringWithCanonicalMapping];
}
- (OFString *)decomposedStringWithCompatibilityMapping
{
[self finishInitialization];
return [self decomposedStringWithCompatibilityMapping];
}
#endif
- (void)writeToFile: (OFString *)path
{
[self finishInitialization];
[self writeToFile: path];
}
- (void)writeToFile: (OFString *)path
encoding: (of_string_encoding_t)encoding
{
[self finishInitialization];
[self writeToFile: path
encoding: encoding];
}
#ifdef OF_HAVE_BLOCKS
- (void)enumerateLinesUsingBlock: (of_string_line_enumeration_block_t)block
{
[self finishInitialization];
[self enumerateLinesUsingBlock: block];
}
#endif
@end