/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019, 2020
* Jonathan Schleifer <js@nil.im>
*
* 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_NUMBER_M
#include "config.h"
#include <math.h>
#import "OFNumber.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFXMLAttribute.h"
#import "OFData.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
@interface OFNumber ()
+ (instancetype)of_alloc;
- (OFString *)of_JSONRepresentationWithOptions: (int)options
depth: (size_t)depth;
@end
@interface OFNumberPlaceholder: OFNumber
@end
@interface OFNumberSingleton: OFNumber
@end
static struct {
Class isa;
} placeholder;
static OFNumberSingleton *zeroNumber, *oneNumber, *twoNumber;
static OFNumberSingleton *trueNumber, *falseNumber;
static void
initZeroNumber(void)
{
zeroNumber = [[OFNumberSingleton alloc] initWithUnsignedChar: 0];
}
static void
initOneNumber(void)
{
oneNumber = [[OFNumberSingleton alloc] initWithUnsignedChar: 1];
}
static void
initTwoNumber(void)
{
twoNumber = [[OFNumberSingleton alloc] initWithUnsignedChar: 2];
}
static void
initTrueNumber(void)
{
trueNumber = [[OFNumberSingleton alloc] initWithBool: true];
}
static void
initFalseNumber(void)
{
falseNumber = [[OFNumberSingleton alloc] initWithBool: false];
}
@implementation OFNumberPlaceholder
- (instancetype)initWithBool: (bool)value
{
if (value) {
static of_once_t once;
of_once(&once, initTrueNumber);
return (id)trueNumber;
} else {
static of_once_t once;
of_once(&once, initFalseNumber);
return (id)falseNumber;
}
}
- (instancetype)initWithChar: (signed char)value
{
if (value >= 0)
return [self initWithUnsignedChar: value];
return (id)[[OFNumber of_alloc] initWithChar: value];
}
- (instancetype)initWithShort: (short)value
{
if (value >= 0)
return [self initWithUnsignedShort: value];
if (value >= SCHAR_MIN)
return [self initWithChar: (signed char)value];
return (id)[[OFNumber of_alloc] initWithShort: value];
}
- (instancetype)initWithInt: (int)value
{
if (value >= 0)
return [self initWithUnsignedInt: value];
if (value >= SHRT_MIN)
return [self initWithShort: (short)value];
return (id)[[OFNumber of_alloc] initWithInt: value];
}
- (instancetype)initWithLong: (long)value
{
if (value >= 0)
return [self initWithUnsignedLong: value];
if (value >= INT_MIN)
return [self initWithShort: (int)value];
return (id)[[OFNumber of_alloc] initWithLong: value];
}
- (instancetype)initWithLongLong: (long long)value
{
if (value >= 0)
return [self initWithUnsignedLongLong: value];
if (value >= LONG_MIN)
return [self initWithLong: (long)value];
return (id)[[OFNumber of_alloc] initWithLongLong: value];
}
- (instancetype)initWithUnsignedChar: (unsigned char)value
{
switch (value) {
case 0: {
static of_once_t once = OF_ONCE_INIT;
of_once(&once, initZeroNumber);
return (id)zeroNumber;
}
case 1: {
static of_once_t once = OF_ONCE_INIT;
of_once(&once, initOneNumber);
return (id)oneNumber;
}
case 2: {
static of_once_t once = OF_ONCE_INIT;
of_once(&once, initTwoNumber);
return (id)twoNumber;
}
}
return (id)[[OFNumber of_alloc] initWithUnsignedChar: value];
}
- (instancetype)initWithUnsignedShort: (unsigned short)value
{
if (value <= UCHAR_MAX)
return [self initWithUnsignedChar: (unsigned char)value];
return (id)[[OFNumber of_alloc] initWithUnsignedShort: value];
}
- (instancetype)initWithUnsignedInt: (unsigned int)value
{
if (value <= USHRT_MAX)
return [self initWithUnsignedShort: (unsigned short)value];
return (id)[[OFNumber of_alloc] initWithUnsignedInt: value];
}
- (instancetype)initWithUnsignedLong: (unsigned long)value
{
if (value <= UINT_MAX)
return [self initWithUnsignedInt: (unsigned int)value];
return (id)[[OFNumber of_alloc] initWithUnsignedLong: value];
}
- (instancetype)initWithUnsignedLongLong: (unsigned long long)value
{
if (value <= ULONG_MAX)
return [self initWithUnsignedLong: (unsigned long)value];
return (id)[[OFNumber of_alloc] initWithUnsignedLongLong: value];
}
- (instancetype)initWithInt8: (int8_t)value
{
if (value >= 0)
return [self initWithUInt8: value];
return (id)[[OFNumber of_alloc] initWithInt8: value];
}
- (instancetype)initWithInt16: (int16_t)value
{
if (value >= 0)
return [self initWithUInt16: value];
if (value >= INT8_MIN)
return [self initWithInt8: (int8_t)value];
return (id)[[OFNumber of_alloc] initWithInt16: value];
}
- (instancetype)initWithInt32: (int32_t)value
{
if (value >= 0)
return [self initWithUInt32: value];
if (value >= INT16_MIN)
return [self initWithInt16: (int16_t)value];
return (id)[[OFNumber of_alloc] initWithInt32: value];
}
- (instancetype)initWithInt64: (int64_t)value
{
if (value >= 0)
return [self initWithUInt64: value];
if (value >= INT32_MIN)
return [self initWithInt32: (int32_t)value];
return (id)[[OFNumber of_alloc] initWithInt64: value];
}
- (instancetype)initWithUInt8: (uint8_t)value
{
return (id)[[OFNumber of_alloc] initWithUInt8: value];
}
- (instancetype)initWithUInt16: (uint16_t)value
{
if (value <= UINT8_MAX)
return [self initWithUInt8: (uint8_t)value];
return (id)[[OFNumber of_alloc] initWithUInt16: value];
}
- (instancetype)initWithUInt32: (uint32_t)value
{
if (value <= UINT16_MAX)
return [self initWithUInt16: (uint16_t)value];
return (id)[[OFNumber of_alloc] initWithUInt32: value];
}
- (instancetype)initWithUInt64: (uint64_t)value
{
if (value <= UINT32_MAX)
return [self initWithUInt32: (uint32_t)value];
return (id)[[OFNumber of_alloc] initWithUInt64: value];
}
- (instancetype)initWithSize: (size_t)value
{
if (value <= ULONG_MAX)
return [self initWithUnsignedLong: (unsigned long)value];
return (id)[[OFNumber of_alloc] initWithSize: value];
}
- (instancetype)initWithSSize: (ssize_t)value
{
if (value >= 0)
return [self initWithSize: value];
if (value <= LONG_MIN)
return [self initWithLong: (long)value];
return (id)[[OFNumber of_alloc] initWithSSize: value];
}
#ifdef __clang__
/*
* This warning should probably not exist at all, as it prevents checking
* whether one type fits into another in a portable way.
*/
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wtautological-constant-out-of-range-compare"
#endif
- (instancetype)initWithPtrDiff: (ptrdiff_t)value
{
if (value >= LLONG_MIN && value <= LLONG_MAX)
return [self initWithLongLong: (long long)value];
return (id)[[OFNumber of_alloc] initWithPtrDiff: value];
}
- (instancetype)initWithIntPtr: (intptr_t)value
{
if (value >= 0)
return [self initWithUIntPtr: value];
if (value >= LLONG_MIN)
return [self initWithLongLong: (long long)value];
return (id)[[OFNumber of_alloc] initWithIntPtr: value];
}
- (instancetype)initWithUIntPtr: (uintptr_t)value
{
if (value <= ULLONG_MAX)
return [self initWithUnsignedLongLong:
(unsigned long long)value];
return (id)[[OFNumber of_alloc] initWithUIntPtr: value];
}
#ifdef __clang__
# pragma clang diagnostic pop
#endif
- (instancetype)initWithFloat: (float)value
{
if (value == (unsigned long long)value)
return [self initWithUnsignedLongLong:
(unsigned long long)value];
if (value == (long long)value)
return [self initWithLongLong: (long long)value];
return (id)[[OFNumber of_alloc] initWithFloat: value];
}
- (instancetype)initWithDouble: (double)value
{
if (value == (unsigned long long)value)
return [self initWithUnsignedLongLong:
(unsigned long long)value];
if (value == (long long)value)
return [self initWithLongLong: (long long)value];
if (value == (float)value)
return [self initWithFloat: (float)value];
return (id)[[OFNumber of_alloc] initWithDouble: value];
}
- (instancetype)initWithSerialization: (OFXMLElement *)element
{
return (id)[[OFNumber of_alloc] initWithSerialization: element];
}
@end
@implementation OFNumberSingleton
- (instancetype)autorelease
{
return self;
}
- (instancetype)retain
{
return self;
}
- (void)release
{
}
- (unsigned int)retainCount
{
return OF_RETAIN_COUNT_MAX;
}
@end
@implementation OFNumber
+ (void)initialize
{
if (self == [OFNumber class])
placeholder.isa = [OFNumberPlaceholder class];
}
+ (instancetype)of_alloc
{
return [super alloc];
}
+ (instancetype)alloc
{
if (self == [OFNumber class])
return (id)&placeholder;
return [super alloc];
}
+ (instancetype)numberWithBool: (bool)value
{
return [[[self alloc] initWithBool: value] autorelease];
}
+ (instancetype)numberWithChar: (signed char)value
{
return [[[self alloc] initWithChar: value] autorelease];
}
+ (instancetype)numberWithShort: (short)value
{
return [[[self alloc] initWithShort: value] autorelease];
}
+ (instancetype)numberWithInt: (int)value
{
return [[[self alloc] initWithInt: value] autorelease];
}
+ (instancetype)numberWithLong: (long)value
{
return [[[self alloc] initWithLong: value] autorelease];
}
+ (instancetype)numberWithLongLong: (long long)value
{
return [[[self alloc] initWithLongLong: value] autorelease];
}
+ (instancetype)numberWithUnsignedChar: (unsigned char)value
{
return [[[self alloc] initWithUnsignedChar: value] autorelease];
}
+ (instancetype)numberWithUnsignedShort: (unsigned short)value
{
return [[[self alloc] initWithUnsignedShort: value] autorelease];
}
+ (instancetype)numberWithUnsignedInt: (unsigned int)value
{
return [[[self alloc] initWithUnsignedInt: value] autorelease];
}
+ (instancetype)numberWithUnsignedLong: (unsigned long)value
{
return [[[self alloc] initWithUnsignedLong: value] autorelease];
}
+ (instancetype)numberWithUnsignedLongLong: (unsigned long long)value
{
return [[[self alloc] initWithUnsignedLongLong: value] autorelease];
}
+ (instancetype)numberWithInt8: (int8_t)value
{
return [[[self alloc] initWithInt8: value] autorelease];
}
+ (instancetype)numberWithInt16: (int16_t)value
{
return [[[self alloc] initWithInt16: value] autorelease];
}
+ (instancetype)numberWithInt32: (int32_t)value
{
return [[[self alloc] initWithInt32: value] autorelease];
}
+ (instancetype)numberWithInt64: (int64_t)value
{
return [[[self alloc] initWithInt64: value] autorelease];
}
+ (instancetype)numberWithUInt8: (uint8_t)value
{
return [[[self alloc] initWithUInt8: value] autorelease];
}
+ (instancetype)numberWithUInt16: (uint16_t)value
{
return [[[self alloc] initWithUInt16: value] autorelease];
}
+ (instancetype)numberWithUInt32: (uint32_t)value
{
return [[[self alloc] initWithUInt32: value] autorelease];
}
+ (instancetype)numberWithUInt64: (uint64_t)value
{
return [[[self alloc] initWithUInt64: value] autorelease];
}
+ (instancetype)numberWithSize: (size_t)value
{
return [[[self alloc] initWithSize: value] autorelease];
}
+ (instancetype)numberWithSSize: (ssize_t)value
{
return [[[self alloc] initWithSSize: value] autorelease];
}
+ (instancetype)numberWithPtrDiff: (ptrdiff_t)value
{
return [[[self alloc] initWithPtrDiff: value] autorelease];
}
+ (instancetype)numberWithIntPtr: (intptr_t)value
{
return [[[self alloc] initWithIntPtr: value] autorelease];
}
+ (instancetype)numberWithUIntPtr: (uintptr_t)value
{
return [[[self alloc] initWithUIntPtr: value] autorelease];
}
+ (instancetype)numberWithFloat: (float)value
{
return [[[self alloc] initWithFloat: value] autorelease];
}
+ (instancetype)numberWithDouble: (double)value
{
return [[[self alloc] initWithDouble: value] autorelease];
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)initWithBool: (bool)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(bool);
return self;
}
- (instancetype)initWithChar: (signed char)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(signed char);
return self;
}
- (instancetype)initWithShort: (short)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(short);
return self;
}
- (instancetype)initWithInt: (int)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(int);
return self;
}
- (instancetype)initWithLong: (long)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(long);
return self;
}
- (instancetype)initWithLongLong: (long long)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(long long);
return self;
}
- (instancetype)initWithUnsignedChar: (unsigned char)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(unsigned long);
return self;
}
- (instancetype)initWithUnsignedShort: (unsigned short)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(unsigned short);
return self;
}
- (instancetype)initWithUnsignedInt: (unsigned int)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(unsigned int);
return self;
}
- (instancetype)initWithUnsignedLong: (unsigned long)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(unsigned long);
return self;
}
- (instancetype)initWithUnsignedLongLong: (unsigned long long)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(unsigned long long);
return self;
}
- (instancetype)initWithInt8: (int8_t)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(int8_t);
return self;
}
- (instancetype)initWithInt16: (int16_t)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(int16_t);
return self;
}
- (instancetype)initWithInt32: (int32_t)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(int32_t);
return self;
}
- (instancetype)initWithInt64: (int64_t)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(int64_t);
return self;
}
- (instancetype)initWithUInt8: (uint8_t)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(uint8_t);
return self;
}
- (instancetype)initWithUInt16: (uint16_t)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(uint16_t);
return self;
}
- (instancetype)initWithUInt32: (uint32_t)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(uint32_t);
return self;
}
- (instancetype)initWithUInt64: (uint64_t)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(uint64_t);
return self;
}
- (instancetype)initWithSize: (size_t)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(size_t);
return self;
}
- (instancetype)initWithSSize: (ssize_t)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(ssize_t);
return self;
}
- (instancetype)initWithPtrDiff: (ptrdiff_t)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(ptrdiff_t);
return self;
}
- (instancetype)initWithIntPtr: (intptr_t)value
{
self = [super init];
_value.signed_ = value;
_type = OF_NUMBER_TYPE_SIGNED;
_typeEncoding = @encode(intptr_t);
return self;
}
- (instancetype)initWithUIntPtr: (uintptr_t)value
{
self = [super init];
_value.unsigned_ = value;
_type = OF_NUMBER_TYPE_UNSIGNED;
_typeEncoding = @encode(uintptr_t);
return self;
}
- (instancetype)initWithFloat: (float)value
{
self = [super init];
_value.float_ = value;
_type = OF_NUMBER_TYPE_FLOAT;
_typeEncoding = @encode(float);
return self;
}
- (instancetype)initWithDouble: (double)value
{
self = [super init];
_value.float_ = value;
_type = OF_NUMBER_TYPE_FLOAT;
_typeEncoding = @encode(double);
return self;
}
- (instancetype)initWithSerialization: (OFXMLElement *)element
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
OFString *typeString;
if (![element.name isEqual: self.className] ||
![element.namespace isEqual: OF_SERIALIZATION_NS])
@throw [OFInvalidArgumentException exception];
typeString = [element attributeForName: @"type"].stringValue;
if ([typeString isEqual: @"bool"]) {
OFString *stringValue = element.stringValue;
if ([stringValue isEqual: @"true"])
self = [self initWithBool: true];
else if ([stringValue isEqual: @"false"])
self = [self initWithBool: false];
else
@throw [OFInvalidArgumentException exception];
} else if ([typeString isEqual: @"float"]) {
unsigned long long value =
[element unsignedLongLongValueWithBase: 16];
if (value > UINT64_MAX)
@throw [OFOutOfRangeException exception];
self = [self initWithDouble: OF_BSWAP_DOUBLE_IF_LE(
OF_INT_TO_DOUBLE_RAW(OF_BSWAP64_IF_LE(value)))];
} else if ([typeString isEqual: @"signed"])
self = [self initWithLongLong: element.longLongValue];
else if ([typeString isEqual: @"unsigned"])
self = [self initWithUnsignedLongLong:
element.unsignedLongLongValue];
else
@throw [OFInvalidArgumentException exception];
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (const char *)objCType
{
return _typeEncoding;
}
- (void)getValue: (void *)value
size: (size_t)size
{
switch (*_typeEncoding) {
#define CASE(enc, type, field) \
case enc: { \
type tmp = (type)_value.field; \
\
if (size != sizeof(type)) \
@throw [OFOutOfRangeException exception]; \
\
memcpy(value, &tmp, size); \
break; \
}
CASE('B', bool, unsigned_)
CASE('c', signed char, signed_)
CASE('s', short, signed_)
CASE('i', int, signed_)
CASE('l', long, signed_)
CASE('q', long long, signed_)
CASE('C', unsigned char, unsigned_)
CASE('S', unsigned short, unsigned_)
CASE('I', unsigned int, unsigned_)
CASE('L', unsigned long, unsigned_)
CASE('Q', unsigned long long, unsigned_)
CASE('f', float, float_)
CASE('d', double, float_)
#undef CASE
default:
@throw [OFInvalidFormatException exception];
}
}
#define RETURN_AS(t) \
switch (_type) { \
case OF_NUMBER_TYPE_FLOAT: \
return (t)_value.float_; \
case OF_NUMBER_TYPE_SIGNED: \
return (t)_value.signed_; \
case OF_NUMBER_TYPE_UNSIGNED: \
return (t)_value.unsigned_; \
default: \
@throw [OFInvalidFormatException exception]; \
}
- (bool)boolValue
{
RETURN_AS(bool)
}
- (signed char)charValue
{
RETURN_AS(signed char)
}
- (short)shortValue
{
RETURN_AS(short)
}
- (int)intValue
{
RETURN_AS(int)
}
- (long)longValue
{
RETURN_AS(long)
}
- (long long)longLongValue
{
RETURN_AS(long long)
}
- (unsigned char)unsignedCharValue
{
RETURN_AS(unsigned char)
}
- (unsigned short)unsignedShortValue
{
RETURN_AS(unsigned short)
}
- (unsigned int)unsignedIntValue
{
RETURN_AS(unsigned int)
}
- (unsigned long)unsignedLongValue
{
RETURN_AS(unsigned long)
}
- (unsigned long long)unsignedLongLongValue
{
RETURN_AS(unsigned long long)
}
- (int8_t)int8Value
{
RETURN_AS(int8_t)
}
- (int16_t)int16Value
{
RETURN_AS(int16_t)
}
- (int32_t)int32Value
{
RETURN_AS(int32_t)
}
- (int64_t)int64Value
{
RETURN_AS(int64_t)
}
- (uint8_t)uInt8Value
{
RETURN_AS(uint8_t)
}
- (uint16_t)uInt16Value
{
RETURN_AS(uint16_t)
}
- (uint32_t)uInt32Value
{
RETURN_AS(uint32_t)
}
- (uint64_t)uInt64Value
{
RETURN_AS(uint64_t)
}
- (size_t)sizeValue
{
RETURN_AS(size_t)
}
- (ssize_t)sSizeValue
{
RETURN_AS(ssize_t)
}
- (ptrdiff_t)ptrDiffValue
{
RETURN_AS(ptrdiff_t)
}
- (intptr_t)intPtrValue
{
RETURN_AS(intptr_t)
}
- (uintptr_t)uIntPtrValue
{
RETURN_AS(uintptr_t)
}
- (float)floatValue
{
RETURN_AS(float)
}
- (double)doubleValue
{
RETURN_AS(double)
}
#undef RETURN_AS
- (bool)isEqual: (id)object
{
OFNumber *number;
if (object == self)
return true;
if (![object isKindOfClass: [OFNumber class]])
return false;
number = object;
if (_type == OF_NUMBER_TYPE_FLOAT ||
number->_type == OF_NUMBER_TYPE_FLOAT) {
double value1 = number.doubleValue;
double value2 = self.doubleValue;
if (isnan(value1) && isnan(value2))
return true;
if (isnan(value1) || isnan(value2))
return false;
return (value1 == value2);
}
if (_type == OF_NUMBER_TYPE_SIGNED ||
number->_type == OF_NUMBER_TYPE_SIGNED)
return (number.longLongValue == self.longLongValue);
return (number.unsignedLongLongValue == self.unsignedLongLongValue);
}
- (of_comparison_result_t)compare: (id <OFComparing>)object
{
OFNumber *number;
if (![(id)object isKindOfClass: [OFNumber class]])
@throw [OFInvalidArgumentException exception];
number = (OFNumber *)object;
if (_type == OF_NUMBER_TYPE_FLOAT ||
number->_type == OF_NUMBER_TYPE_FLOAT) {
double double1 = self.doubleValue;
double double2 = number.doubleValue;
if (double1 > double2)
return OF_ORDERED_DESCENDING;
if (double1 < double2)
return OF_ORDERED_ASCENDING;
return OF_ORDERED_SAME;
} else if (_type == OF_NUMBER_TYPE_SIGNED ||
number->_type == OF_NUMBER_TYPE_SIGNED) {
long long int1 = self.longLongValue;
long long int2 = number.longLongValue;
if (int1 > int2)
return OF_ORDERED_DESCENDING;
if (int1 < int2)
return OF_ORDERED_ASCENDING;
return OF_ORDERED_SAME;
} else {
unsigned long long uint1 = self.unsignedLongLongValue;
unsigned long long uint2 = number.unsignedLongLongValue;
if (uint1 > uint2)
return OF_ORDERED_DESCENDING;
if (uint1 < uint2)
return OF_ORDERED_ASCENDING;
return OF_ORDERED_SAME;
}
}
- (uint32_t)hash
{
enum of_number_type type = _type;
uint32_t hash;
OF_HASH_INIT(hash);
if (type == OF_NUMBER_TYPE_FLOAT) {
double d;
if (isnan(self.doubleValue))
return 0;
d = OF_BSWAP_DOUBLE_IF_BE(self.doubleValue);
for (uint_fast8_t i = 0; i < sizeof(double); i++)
OF_HASH_ADD(hash, ((char *)&d)[i]);
} else if (type == OF_NUMBER_TYPE_SIGNED) {
long long value = self.longLongValue * -1;
while (value != 0) {
OF_HASH_ADD(hash, value & 0xFF);
value >>= 8;
}
OF_HASH_ADD(hash, 1);
} else if (type == OF_NUMBER_TYPE_UNSIGNED) {
unsigned long long value = self.unsignedLongLongValue;
while (value != 0) {
OF_HASH_ADD(hash, value & 0xFF);
value >>= 8;
}
} else
@throw [OFInvalidFormatException exception];
OF_HASH_FINALIZE(hash);
return hash;
}
- (id)copy
{
return [self retain];
}
- (OFString *)description
{
return [self stringValue];
}
- (OFString *)stringValue
{
if (*_typeEncoding == 'B')
return (_value.unsigned_ ? @"true" : @"false");
if (_type == OF_NUMBER_TYPE_FLOAT)
return [OFString stringWithFormat: @"%g", _value.float_];
if (_type == OF_NUMBER_TYPE_SIGNED)
return [OFString stringWithFormat: @"%lld", _value.signed_];
if (_type == OF_NUMBER_TYPE_UNSIGNED)
return [OFString stringWithFormat: @"%llu", _value.unsigned_];
@throw [OFInvalidFormatException exception];
}
- (OFXMLElement *)XMLElementBySerializing
{
void *pool = objc_autoreleasePoolPush();
OFXMLElement *element;
element = [OFXMLElement elementWithName: self.className
namespace: OF_SERIALIZATION_NS
stringValue: self.description];
if (*_typeEncoding == 'B')
[element addAttributeWithName: @"type"
stringValue: @"bool"];
else if (_type == OF_NUMBER_TYPE_FLOAT) {
[element addAttributeWithName: @"type"
stringValue: @"float"];
element.stringValue = [OFString
stringWithFormat: @"%016" PRIx64,
OF_BSWAP64_IF_LE(OF_DOUBLE_TO_INT_RAW(OF_BSWAP_DOUBLE_IF_LE(
_value.float_)))];
} else if (_type == OF_NUMBER_TYPE_SIGNED)
[element addAttributeWithName: @"type"
stringValue: @"signed"];
else if (_type == OF_NUMBER_TYPE_UNSIGNED)
[element addAttributeWithName: @"type"
stringValue: @"unsigned"];
else
@throw [OFInvalidFormatException exception];
[element retain];
objc_autoreleasePoolPop(pool);
return [element autorelease];
}
- (OFString *)JSONRepresentation
{
return [self of_JSONRepresentationWithOptions: 0
depth: 0];
}
- (OFString *)JSONRepresentationWithOptions: (int)options
{
return [self of_JSONRepresentationWithOptions: options
depth: 0];
}
- (OFString *)of_JSONRepresentationWithOptions: (int)options
depth: (size_t)depth
{
double doubleValue;
if (*_typeEncoding == 'B')
return (_value.unsigned_ ? @"true" : @"false");
doubleValue = self.doubleValue;
if (isinf(doubleValue)) {
if (options & OF_JSON_REPRESENTATION_JSON5) {
if (doubleValue > 0)
return @"Infinity";
else
return @"-Infinity";
} else
@throw [OFInvalidArgumentException exception];
}
return self.description;
}
- (OFData *)messagePackRepresentation
{
OFMutableData *data;
if (*_typeEncoding == 'B') {
uint8_t type = (_value.unsigned_ ? 0xC3 : 0xC2);
data = [OFMutableData dataWithItems: &type
count: 1];
} else if (*_typeEncoding == 'f') {
uint8_t type = 0xCA;
float tmp = OF_BSWAP_FLOAT_IF_LE(_value.float_);
data = [OFMutableData dataWithItemSize: 1
capacity: 5];
[data addItem: &type];
[data addItems: &tmp
count: sizeof(tmp)];
} else if (*_typeEncoding == 'd') {
uint8_t type = 0xCB;
double tmp = OF_BSWAP_DOUBLE_IF_LE(_value.float_);
data = [OFMutableData dataWithItemSize: 1
capacity: 9];
[data addItem: &type];
[data addItems: &tmp
count: sizeof(tmp)];
} else if (_type == OF_NUMBER_TYPE_SIGNED) {
long long value = self.longLongValue;
if (value >= -32 && value < 0) {
uint8_t tmp = 0xE0 | ((uint8_t)(value - 32) & 0x1F);
data = [OFMutableData dataWithItems: &tmp
count: 1];
} else if (value >= INT8_MIN && value <= INT8_MAX) {
uint8_t type = 0xD0;
int8_t tmp = (int8_t)value;
data = [OFMutableData dataWithItemSize: 1
capacity: 2];
[data addItem: &type];
[data addItem: &tmp];
} else if (value >= INT16_MIN && value <= INT16_MAX) {
uint8_t type = 0xD1;
int16_t tmp = OF_BSWAP16_IF_LE((int16_t)value);
data = [OFMutableData dataWithItemSize: 1
capacity: 3];
[data addItem: &type];
[data addItems: &tmp
count: sizeof(tmp)];
} else if (value >= INT32_MIN && value <= INT32_MAX) {
uint8_t type = 0xD2;
int32_t tmp = OF_BSWAP32_IF_LE((int32_t)value);
data = [OFMutableData dataWithItemSize: 1
capacity: 5];
[data addItem: &type];
[data addItems: &tmp
count: sizeof(tmp)];
} else if (value >= INT64_MIN && value <= INT64_MAX) {
uint8_t type = 0xD3;
int64_t tmp = OF_BSWAP64_IF_LE((int64_t)value);
data = [OFMutableData dataWithItemSize: 1
capacity: 9];
[data addItem: &type];
[data addItems: &tmp
count: sizeof(tmp)];
} else
@throw [OFOutOfRangeException exception];
} else if (_type == OF_NUMBER_TYPE_UNSIGNED) {
unsigned long long value = self.unsignedLongLongValue;
if (value <= 127) {
uint8_t tmp = ((uint8_t)value & 0x7F);
data = [OFMutableData dataWithItems: &tmp
count: 1];
} else if (value <= UINT8_MAX) {
uint8_t type = 0xCC;
uint8_t tmp = (uint8_t)value;
data = [OFMutableData dataWithItemSize: 1
capacity: 2];
[data addItem: &type];
[data addItem: &tmp];
} else if (value <= UINT16_MAX) {
uint8_t type = 0xCD;
uint16_t tmp = OF_BSWAP16_IF_LE((uint16_t)value);
data = [OFMutableData dataWithItemSize: 1
capacity: 3];
[data addItem: &type];
[data addItems: &tmp
count: sizeof(tmp)];
} else if (value <= UINT32_MAX) {
uint8_t type = 0xCE;
uint32_t tmp = OF_BSWAP32_IF_LE((uint32_t)value);
data = [OFMutableData dataWithItemSize: 1
capacity: 5];
[data addItem: &type];
[data addItems: &tmp
count: sizeof(tmp)];
} else if (value <= UINT64_MAX) {
uint8_t type = 0xCF;
uint64_t tmp = OF_BSWAP64_IF_LE((uint64_t)value);
data = [OFMutableData dataWithItemSize: 1
capacity: 9];
[data addItem: &type];
[data addItems: &tmp
count: sizeof(tmp)];
} else
@throw [OFOutOfRangeException exception];
} else
@throw [OFInvalidFormatException exception];
[data makeImmutable];
return data;
}
@end