ObjFW  Check-in [854435fa91]

 * 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.
 */

#import "OFValue.h"
#import "OFMethodSignature.h"
#import "OFString.h"
#import "OFValue_bytes.h"
#import "OFValue_nonretainedObject.h"
#import "OFValue_pointer.h"
#import "OFMethodSignature.h"

#import "OFInvalidFormatException.h"
#import "OFOutOfMemoryException.h"

static struct {
	Class isa;
} placeholder;

	OF_INVALID_INIT_METHOD
}

- (bool)isEqual: (id)object
{
	const char *objCType;
	size_t size;
	void *buffer, *otherBuffer;
	void *value, *otherValue;

	if (![object isKindOfClass: [OFValue class]])
		return false;

	objCType = [self objCType];

	if (strcmp([object objCType], objCType) != 0)
		return false;

	size = of_sizeof_type_encoding(objCType);

	if ((buffer = malloc(size)) == NULL)
	if ((value = malloc(size)) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithRequestedSize: size];

	if ((otherBuffer = malloc(size)) == NULL)
	if ((otherValue = malloc(size)) == NULL) {
		free(value);
		@throw [OFOutOfMemoryException
		    exceptionWithRequestedSize: size];

	}

	@try {
		[self getValue: buffer
		[self getValue: value
			  size: size];
		[object getValue: otherBuffer
		[object getValue: otherValue
			    size: size];

		return (memcmp(buffer, otherBuffer, size) == 0);
		return (memcmp(value, otherValue, size) == 0);
	} @finally {
		free(buffer);
		free(otherBuffer);
		free(value);
		free(otherValue);
	}
}

- (uint32_t)hash
{
	uint32_t hash;
	size_t size;
	char *buffer;

	size_t size = of_sizeof_type_encoding([self objCType]);
	unsigned char *value;
	uint32_t hash;
	size = of_sizeof_type_encoding([self objCType]);

	if ((buffer = malloc(size)) == NULL)
	if ((value = malloc(size)) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithRequestedSize: size];

	@try {
	[self getValue: buffer
		  size: size];
		[self getValue: value
			  size: size];

	@try {
		OF_HASH_INIT(hash);

		for (size_t i = 0; i < size; i++)
			OF_HASH_ADD(hash, buffer[i]);
			OF_HASH_ADD(hash, value[i]);

		OF_HASH_FINALIZE(hash);
	} @finally {
		free(buffer);
		free(value);
	}

	return hash;
}

- (id)copy
{

	id ret;

	[self getValue: &ret
		  size: sizeof(ret)];

	return ret;
}

- (OFString *)description
{
	OFMutableString *ret =
	    [OFMutableString stringWithString: @"<OFValue: "];
	size_t size = of_sizeof_type_encoding([self objCType]);
	unsigned char *value;

	if ((value = malloc(size)) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithRequestedSize: size];

	@try {
		[self getValue: value
			  size: size];

		for (size_t i = 0; i < size; i++) {
			if (i > 0)
				[ret appendString: @" "];

			[ret appendFormat: @"%02x", value[i]];
		}
	} @finally {
		free(value);
	}

	[ret appendString: @">"];

	[ret makeImmutable];
	return ret;
}
@end