ObjFW  Diff

#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;

		static OFOnceControl onceControl = OFOnceControlInitValue;
		OFOnce(&onceControl, doubleZeroNumberInit);
		return (id)doubleZeroNumber;
	}

	return (id)[[OFNumber of_alloc] initWithDouble: value];
}

- (instancetype)initWithSerialization: (OFXMLElement *)element
{
	return (id)[[OFNumber of_alloc] initWithSerialization: element];
}
#ifdef __clang__
# pragma clang diagnostic pop
#endif
@end

@implementation OFNumberSingleton
- (instancetype)autorelease

	_value.float_ = value;
	_typeEncoding = @encode(double);

	return self;
}

- (instancetype)initWithSerialization: (OFXMLElement *)element
{
	self = [super init];

	@try {
		void *pool = objc_autoreleasePoolPush();
		OFString *typeString;

		if (![element.name isEqual: @"OFNumber"] ||
		    ![element.namespace isEqual: OFSerializationNS])
			@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: OFFromBigEndianDouble(
			    OFRawUInt64ToDouble(OFToBigEndian64(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
{

	if (isUnsigned(self))
		return [OFString stringWithFormat: @"%llu",
						   self.unsignedLongLongValue];

	@throw [OFInvalidFormatException exception];
}

- (OFXMLElement *)XMLElementBySerializing
{
	void *pool = objc_autoreleasePoolPush();
	OFXMLElement *element;

	element = [OFXMLElement elementWithName: @"OFNumber"
				      namespace: OFSerializationNS
				    stringValue: self.description];

	if (*self.objCType == 'B')
		[element addAttributeWithName: @"type" stringValue: @"bool"];
	else if (isFloat(self)) {
		[element addAttributeWithName: @"type" stringValue: @"float"];
		element.stringValue = [OFString
		    stringWithFormat: @"%016" PRIx64,
		    OFFromBigEndian64(OFDoubleToRawUInt64(OFToBigEndianDouble(
		    self.doubleValue)))];
	} else if (isSigned(self))
		[element addAttributeWithName: @"type" stringValue: @"signed"];
	else if (isUnsigned(self))
		[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:
    (OFJSONRepresentationOptions)options