/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018
* 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.
*/
#include "config.h"
#include <inttypes.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"
#define RETURN_AS(t) \
switch (_type) { \
case OF_NUMBER_TYPE_BOOL: \
return (t)_value.bool_; \
case OF_NUMBER_TYPE_CHAR: \
return (t)_value.sChar; \
case OF_NUMBER_TYPE_SHORT: \
return (t)_value.sShort; \
case OF_NUMBER_TYPE_INT: \
return (t)_value.sInt; \
case OF_NUMBER_TYPE_LONG: \
return (t)_value.sLong; \
case OF_NUMBER_TYPE_LONGLONG: \
return (t)_value.sLongLong; \
case OF_NUMBER_TYPE_UCHAR: \
return (t)_value.uChar; \
case OF_NUMBER_TYPE_USHORT: \
return (t)_value.uShort; \
case OF_NUMBER_TYPE_UINT: \
return (t)_value.uInt; \
case OF_NUMBER_TYPE_ULONG: \
return (t)_value.uLong; \
case OF_NUMBER_TYPE_ULONGLONG: \
return (t)_value.uLongLong; \
case OF_NUMBER_TYPE_INT8: \
return (t)_value.int8; \
case OF_NUMBER_TYPE_INT16: \
return (t)_value.int16; \
case OF_NUMBER_TYPE_INT32: \
return (t)_value.int32; \
case OF_NUMBER_TYPE_INT64: \
return (t)_value.int64; \
case OF_NUMBER_TYPE_UINT8: \
return (t)_value.uInt8; \
case OF_NUMBER_TYPE_UINT16: \
return (t)_value.uInt16; \
case OF_NUMBER_TYPE_UINT32: \
return (t)_value.uInt32; \
case OF_NUMBER_TYPE_UINT64: \
return (t)_value.uInt64; \
case OF_NUMBER_TYPE_SIZE: \
return (t)_value.size; \
case OF_NUMBER_TYPE_SSIZE: \
return (t)_value.sSize; \
case OF_NUMBER_TYPE_INTMAX: \
return (t)_value.intMax; \
case OF_NUMBER_TYPE_UINTMAX: \
return (t)_value.uIntMax; \
case OF_NUMBER_TYPE_PTRDIFF: \
return (t)_value.ptrDiff; \
case OF_NUMBER_TYPE_INTPTR: \
return (t)_value.intPtr; \
case OF_NUMBER_TYPE_UINTPTR: \
return (t)_value.uIntPtr; \
case OF_NUMBER_TYPE_FLOAT: \
return (t)_value.float_; \
case OF_NUMBER_TYPE_DOUBLE: \
return (t)_value.double_; \
default: \
@throw [OFInvalidFormatException exception]; \
}
@interface OFNumber ()
- (OFString *)of_JSONRepresentationWithOptions: (int)options
depth: (size_t)depth;
@end
@implementation OFNumber
@synthesize type = _type;
+ (instancetype)numberWithBool: (bool)bool_
{
return [[[self alloc] initWithBool: bool_] autorelease];
}
+ (instancetype)numberWithChar: (signed char)sChar
{
return [[[self alloc] initWithChar: sChar] autorelease];
}
+ (instancetype)numberWithShort: (signed short)sShort
{
return [[[self alloc] initWithShort: sShort] autorelease];
}
+ (instancetype)numberWithInt: (signed int)sInt
{
return [[[self alloc] initWithInt: sInt] autorelease];
}
+ (instancetype)numberWithLong: (signed long)sLong
{
return [[[self alloc] initWithLong: sLong] autorelease];
}
+ (instancetype)numberWithLongLong: (signed long long)sLongLong
{
return [[[self alloc] initWithLongLong: sLongLong] autorelease];
}
+ (instancetype)numberWithUnsignedChar: (unsigned char)uChar
{
return [[[self alloc] initWithUnsignedChar: uChar] autorelease];
}
+ (instancetype)numberWithUnsignedShort: (unsigned short)uShort
{
return [[[self alloc] initWithUnsignedShort: uShort] autorelease];
}
+ (instancetype)numberWithUnsignedInt: (unsigned int)uInt
{
return [[[self alloc] initWithUnsignedInt: uInt] autorelease];
}
+ (instancetype)numberWithUnsignedLong: (unsigned long)uLong
{
return [[[self alloc] initWithUnsignedLong: uLong] autorelease];
}
+ (instancetype)numberWithUnsignedLongLong: (unsigned long long)uLongLong
{
return [[[self alloc] initWithUnsignedLongLong: uLongLong] autorelease];
}
+ (instancetype)numberWithInt8: (int8_t)int8
{
return [[[self alloc] initWithInt8: int8] autorelease];
}
+ (instancetype)numberWithInt16: (int16_t)int16
{
return [[[self alloc] initWithInt16: int16] autorelease];
}
+ (instancetype)numberWithInt32: (int32_t)int32
{
return [[[self alloc] initWithInt32: int32] autorelease];
}
+ (instancetype)numberWithInt64: (int64_t)int64
{
return [[[self alloc] initWithInt64: int64] autorelease];
}
+ (instancetype)numberWithUInt8: (uint8_t)uInt8
{
return [[[self alloc] initWithUInt8: uInt8] autorelease];
}
+ (instancetype)numberWithUInt16: (uint16_t)uInt16
{
return [[[self alloc] initWithUInt16: uInt16] autorelease];
}
+ (instancetype)numberWithUInt32: (uint32_t)uInt32
{
return [[[self alloc] initWithUInt32: uInt32] autorelease];
}
+ (instancetype)numberWithUInt64: (uint64_t)uInt64
{
return [[[self alloc] initWithUInt64: uInt64] autorelease];
}
+ (instancetype)numberWithSize: (size_t)size
{
return [[[self alloc] initWithSize: size] autorelease];
}
+ (instancetype)numberWithSSize: (ssize_t)sSize
{
return [[[self alloc] initWithSSize: sSize] autorelease];
}
+ (instancetype)numberWithIntMax: (intmax_t)intMax
{
return [[[self alloc] initWithIntMax: intMax] autorelease];
}
+ (instancetype)numberWithUIntMax: (uintmax_t)uIntMax
{
return [[[self alloc] initWithUIntMax: uIntMax] autorelease];
}
+ (instancetype)numberWithPtrDiff: (ptrdiff_t)ptrDiff
{
return [[[self alloc] initWithPtrDiff: ptrDiff] autorelease];
}
+ (instancetype)numberWithIntPtr: (intptr_t)intPtr
{
return [[[self alloc] initWithIntPtr: intPtr] autorelease];
}
+ (instancetype)numberWithUIntPtr: (uintptr_t)uIntPtr
{
return [[[self alloc] initWithUIntPtr: uIntPtr] autorelease];
}
+ (instancetype)numberWithFloat: (float)float_
{
return [[[self alloc] initWithFloat: float_] autorelease];
}
+ (instancetype)numberWithDouble: (double)double_
{
return [[[self alloc] initWithDouble: double_] autorelease];
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)initWithBool: (bool)bool_
{
self = [super init];
_value.bool_ = bool_;
_type = OF_NUMBER_TYPE_BOOL;
return self;
}
- (instancetype)initWithChar: (signed char)sChar
{
self = [super init];
_value.sChar = sChar;
_type = OF_NUMBER_TYPE_CHAR;
return self;
}
- (instancetype)initWithShort: (signed short)sShort
{
self = [super init];
_value.sShort = sShort;
_type = OF_NUMBER_TYPE_SHORT;
return self;
}
- (instancetype)initWithInt: (signed int)sInt
{
self = [super init];
_value.sInt = sInt;
_type = OF_NUMBER_TYPE_INT;
return self;
}
- (instancetype)initWithLong: (signed long)sLong
{
self = [super init];
_value.sLong = sLong;
_type = OF_NUMBER_TYPE_LONG;
return self;
}
- (instancetype)initWithLongLong: (signed long long)sLongLong
{
self = [super init];
_value.sLongLong = sLongLong;
_type = OF_NUMBER_TYPE_LONGLONG;
return self;
}
- (instancetype)initWithUnsignedChar: (unsigned char)uChar
{
self = [super init];
_value.uChar = uChar;
_type = OF_NUMBER_TYPE_UCHAR;
return self;
}
- (instancetype)initWithUnsignedShort: (unsigned short)uShort
{
self = [super init];
_value.uShort = uShort;
_type = OF_NUMBER_TYPE_USHORT;
return self;
}
- (instancetype)initWithUnsignedInt: (unsigned int)uInt
{
self = [super init];
_value.uInt = uInt;
_type = OF_NUMBER_TYPE_UINT;
return self;
}
- (instancetype)initWithUnsignedLong: (unsigned long)uLong
{
self = [super init];
_value.uLong = uLong;
_type = OF_NUMBER_TYPE_ULONG;
return self;
}
- (instancetype)initWithUnsignedLongLong: (unsigned long long)uLongLong
{
self = [super init];
_value.uLongLong = uLongLong;
_type = OF_NUMBER_TYPE_ULONGLONG;
return self;
}
- (instancetype)initWithInt8: (int8_t)int8
{
self = [super init];
_value.int8 = int8;
_type = OF_NUMBER_TYPE_INT8;
return self;
}
- (instancetype)initWithInt16: (int16_t)int16
{
self = [super init];
_value.int16 = int16;
_type = OF_NUMBER_TYPE_INT16;
return self;
}
- (instancetype)initWithInt32: (int32_t)int32
{
self = [super init];
_value.int32 = int32;
_type = OF_NUMBER_TYPE_INT32;
return self;
}
- (instancetype)initWithInt64: (int64_t)int64
{
self = [super init];
_value.int64 = int64;
_type = OF_NUMBER_TYPE_INT64;
return self;
}
- (instancetype)initWithUInt8: (uint8_t)uInt8
{
self = [super init];
_value.uInt8 = uInt8;
_type = OF_NUMBER_TYPE_UINT8;
return self;
}
- (instancetype)initWithUInt16: (uint16_t)uInt16
{
self = [super init];
_value.uInt16 = uInt16;
_type = OF_NUMBER_TYPE_UINT16;
return self;
}
- (instancetype)initWithUInt32: (uint32_t)uInt32
{
self = [super init];
_value.uInt32 = uInt32;
_type = OF_NUMBER_TYPE_UINT32;
return self;
}
- (instancetype)initWithUInt64: (uint64_t)uInt64
{
self = [super init];
_value.uInt64 = uInt64;
_type = OF_NUMBER_TYPE_UINT64;
return self;
}
- (instancetype)initWithSize: (size_t)size
{
self = [super init];
_value.size = size;
_type = OF_NUMBER_TYPE_SIZE;
return self;
}
- (instancetype)initWithSSize: (ssize_t)sSize
{
self = [super init];
_value.sSize = sSize;
_type = OF_NUMBER_TYPE_SSIZE;
return self;
}
- (instancetype)initWithIntMax: (intmax_t)intMax
{
self = [super init];
_value.intMax = intMax;
_type = OF_NUMBER_TYPE_INTMAX;
return self;
}
- (instancetype)initWithUIntMax: (uintmax_t)uIntMax
{
self = [super init];
_value.uIntMax = uIntMax;
_type = OF_NUMBER_TYPE_UINTMAX;
return self;
}
- (instancetype)initWithPtrDiff: (ptrdiff_t)ptrDiff
{
self = [super init];
_value.ptrDiff = ptrDiff;
_type = OF_NUMBER_TYPE_PTRDIFF;
return self;
}
- (instancetype)initWithIntPtr: (intptr_t)intPtr
{
self = [super init];
_value.intPtr = intPtr;
_type = OF_NUMBER_TYPE_INTPTR;
return self;
}
- (instancetype)initWithUIntPtr: (uintptr_t)uIntPtr
{
self = [super init];
_value.uIntPtr = uIntPtr;
_type = OF_NUMBER_TYPE_UINTPTR;
return self;
}
- (instancetype)initWithFloat: (float)float_
{
self = [super init];
_value.float_ = float_;
_type = OF_NUMBER_TYPE_FLOAT;
return self;
}
- (instancetype)initWithDouble: (double)double_
{
self = [super init];
_value.double_ = double_;
_type = OF_NUMBER_TYPE_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: @"boolean"]) {
_type = OF_NUMBER_TYPE_BOOL;
if ([[element stringValue] isEqual: @"true"])
_value.bool_ = true;
else if ([[element stringValue] isEqual: @"false"])
_value.bool_ = false;
else
@throw [OFInvalidArgumentException exception];
} else if ([typeString isEqual: @"unsigned"]) {
/*
* FIXME: This will fail if the value is bigger than
* INTMAX_MAX!
*/
_type = OF_NUMBER_TYPE_UINTMAX;
_value.uIntMax = [element decimalValue];
} else if ([typeString isEqual: @"signed"]) {
_type = OF_NUMBER_TYPE_INTMAX;
_value.intMax = [element decimalValue];
} else if ([typeString isEqual: @"float"]) {
union {
float f;
uint32_t u;
} f;
f.u = OF_BSWAP32_IF_LE(
(uint32_t)[element hexadecimalValue]);
_type = OF_NUMBER_TYPE_FLOAT;
_value.float_ = OF_BSWAP_FLOAT_IF_LE(f.f);
} else if ([typeString isEqual: @"double"]) {
union {
double d;
uint64_t u;
} d;
d.u = OF_BSWAP64_IF_LE(
(uint64_t)[element hexadecimalValue]);
_type = OF_NUMBER_TYPE_DOUBLE;
_value.double_ = OF_BSWAP_DOUBLE_IF_LE(d.d);
} else
@throw [OFInvalidArgumentException exception];
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (bool)boolValue
{
RETURN_AS(bool)
}
- (signed char)charValue
{
RETURN_AS(signed char)
}
- (signed short)shortValue
{
RETURN_AS(signed short)
}
- (signed int)intValue
{
RETURN_AS(signed int)
}
- (signed long)longValue
{
RETURN_AS(signed long)
}
- (signed long long)longLongValue
{
RETURN_AS(signed 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)
}
- (intmax_t)intMaxValue
{
RETURN_AS(intmax_t)
}
- (uintmax_t)uIntMaxValue
{
RETURN_AS(uintmax_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)
}
- (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 intMaxValue] == [self intMaxValue]);
return ([number uIntMaxValue] == [self uIntMaxValue]);
}
- (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) {
intmax_t int1 = [self intMaxValue];
intmax_t int2 = [number intMaxValue];
if (int1 > int2)
return OF_ORDERED_DESCENDING;
if (int1 < int2)
return OF_ORDERED_ASCENDING;
return OF_ORDERED_SAME;
} else {
uintmax_t uint1 = [self uIntMaxValue];
uintmax_t uint2 = [number uIntMaxValue];
if (uint1 > uint2)
return OF_ORDERED_DESCENDING;
if (uint1 < uint2)
return OF_ORDERED_ASCENDING;
return OF_ORDERED_SAME;
}
}
- (uint32_t)hash
{
of_number_type_t type = _type;
uint32_t hash;
/* Do we really need signed to represent this number? */
if (type & OF_NUMBER_TYPE_SIGNED && [self intMaxValue] >= 0)
type &= ~OF_NUMBER_TYPE_SIGNED;
/* Do we really need floating point to represent this number? */
if (type & OF_NUMBER_TYPE_FLOAT) {
double v = [self doubleValue];
if (v < 0) {
if (v == [self intMaxValue]) {
type &= ~OF_NUMBER_TYPE_FLOAT;
type |= OF_NUMBER_TYPE_SIGNED;
}
} else {
if (v == [self uIntMaxValue])
type &= ~OF_NUMBER_TYPE_FLOAT;
}
}
OF_HASH_INIT(hash);
if (type & OF_NUMBER_TYPE_FLOAT) {
union {
double d;
uint8_t b[sizeof(double)];
} d;
if (isnan([self doubleValue]))
return 0;
d.d = OF_BSWAP_DOUBLE_IF_BE([self doubleValue]);
for (uint8_t i = 0; i < sizeof(double); i++)
OF_HASH_ADD(hash, d.b[i]);
} else if (type & OF_NUMBER_TYPE_SIGNED) {
intmax_t v = [self intMaxValue] * -1;
while (v != 0) {
OF_HASH_ADD(hash, v & 0xFF);
v >>= 8;
}
OF_HASH_ADD(hash, 1);
} else {
uintmax_t v = [self uIntMaxValue];
while (v != 0) {
OF_HASH_ADD(hash, v & 0xFF);
v >>= 8;
}
}
OF_HASH_FINALIZE(hash);
return hash;
}
- (id)copy
{
return [self retain];
}
- (OFString *)description
{
OFMutableString *ret;
switch (_type) {
case OF_NUMBER_TYPE_BOOL:
return (_value.bool_ ? @"true" : @"false");
case OF_NUMBER_TYPE_UCHAR:
case OF_NUMBER_TYPE_USHORT:
case OF_NUMBER_TYPE_UINT:
case OF_NUMBER_TYPE_ULONG:
case OF_NUMBER_TYPE_ULONGLONG:
case OF_NUMBER_TYPE_UINT8:
case OF_NUMBER_TYPE_UINT16:
case OF_NUMBER_TYPE_UINT32:
case OF_NUMBER_TYPE_UINT64:
case OF_NUMBER_TYPE_SIZE:
case OF_NUMBER_TYPE_UINTMAX:
case OF_NUMBER_TYPE_UINTPTR:
return [OFString stringWithFormat: @"%ju", [self uIntMaxValue]];
case OF_NUMBER_TYPE_CHAR:
case OF_NUMBER_TYPE_SHORT:
case OF_NUMBER_TYPE_INT:
case OF_NUMBER_TYPE_LONG:
case OF_NUMBER_TYPE_LONGLONG:
case OF_NUMBER_TYPE_INT8:
case OF_NUMBER_TYPE_INT16:
case OF_NUMBER_TYPE_INT32:
case OF_NUMBER_TYPE_INT64:
case OF_NUMBER_TYPE_SSIZE:
case OF_NUMBER_TYPE_INTMAX:
case OF_NUMBER_TYPE_PTRDIFF:
case OF_NUMBER_TYPE_INTPTR:
return [OFString stringWithFormat: @"%jd", [self intMaxValue]];
case OF_NUMBER_TYPE_FLOAT:
ret = [OFMutableString stringWithFormat: @"%g", _value.float_];
if (![ret containsString: @"."])
[ret appendString: @".0"];
[ret makeImmutable];
return ret;
case OF_NUMBER_TYPE_DOUBLE:
ret = [OFMutableString stringWithFormat: @"%g", _value.double_];
if (![ret containsString: @"."])
[ret appendString: @".0"];
[ret makeImmutable];
return ret;
default:
@throw [OFInvalidFormatException exception];
}
}
- (OFXMLElement *)XMLElementBySerializing
{
void *pool = objc_autoreleasePoolPush();
OFXMLElement *element;
element = [OFXMLElement elementWithName: [self className]
namespace: OF_SERIALIZATION_NS
stringValue: [self description]];
switch (_type) {
case OF_NUMBER_TYPE_BOOL:
[element addAttributeWithName: @"type"
stringValue: @"boolean"];
break;
case OF_NUMBER_TYPE_UCHAR:
case OF_NUMBER_TYPE_USHORT:
case OF_NUMBER_TYPE_UINT:
case OF_NUMBER_TYPE_ULONG:
case OF_NUMBER_TYPE_ULONGLONG:
case OF_NUMBER_TYPE_UINT8:
case OF_NUMBER_TYPE_UINT16:
case OF_NUMBER_TYPE_UINT32:
case OF_NUMBER_TYPE_UINT64:
case OF_NUMBER_TYPE_SIZE:
case OF_NUMBER_TYPE_UINTMAX:
case OF_NUMBER_TYPE_UINTPTR:
[element addAttributeWithName: @"type"
stringValue: @"unsigned"];
break;
case OF_NUMBER_TYPE_CHAR:
case OF_NUMBER_TYPE_SHORT:
case OF_NUMBER_TYPE_INT:
case OF_NUMBER_TYPE_LONG:
case OF_NUMBER_TYPE_LONGLONG:
case OF_NUMBER_TYPE_INT8:
case OF_NUMBER_TYPE_INT16:
case OF_NUMBER_TYPE_INT32:
case OF_NUMBER_TYPE_INT64:
case OF_NUMBER_TYPE_SSIZE:
case OF_NUMBER_TYPE_INTMAX:
case OF_NUMBER_TYPE_PTRDIFF:
case OF_NUMBER_TYPE_INTPTR:;
[element addAttributeWithName: @"type"
stringValue: @"signed"];
break;
case OF_NUMBER_TYPE_FLOAT:;
union {
float f;
uint32_t u;
} f;
f.f = OF_BSWAP_FLOAT_IF_LE(_value.float_);
[element addAttributeWithName: @"type"
stringValue: @"float"];
[element setStringValue:
[OFString stringWithFormat: @"%08" PRIx32,
OF_BSWAP32_IF_LE(f.u)]];
break;
case OF_NUMBER_TYPE_DOUBLE:;
union {
double d;
uint64_t u;
} d;
d.d = OF_BSWAP_DOUBLE_IF_LE(_value.double_);
[element addAttributeWithName: @"type"
stringValue: @"double"];
[element setStringValue:
[OFString stringWithFormat: @"%016" PRIx64,
OF_BSWAP64_IF_LE(d.u)]];
break;
default:
@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 (_type == OF_NUMBER_TYPE_BOOL)
return (_value.bool_ ? @"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 (_type == OF_NUMBER_TYPE_BOOL) {
uint8_t type = (_value.bool_ ? 0xC3 : 0xC2);
data = [OFMutableData dataWithItems: &type
count: 1];
} else if (_type == OF_NUMBER_TYPE_FLOAT) {
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 (_type == OF_NUMBER_TYPE_DOUBLE) {
uint8_t type = 0xCB;
double tmp = OF_BSWAP_DOUBLE_IF_LE(_value.double_);
data = [OFMutableData dataWithItemSize: 1
capacity: 9];
[data addItem: &type];
[data addItems: &tmp
count: sizeof(tmp)];
} else if (_type & OF_NUMBER_TYPE_SIGNED) {
intmax_t value = [self intMaxValue];
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 {
uintmax_t value = [self uIntMaxValue];
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];
}
[data makeImmutable];
return data;
}
@end