ObjFW  Diff

 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "OFDNSResourceRecord.h"
#import "OFArray.h"
#import "OFData.h"

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"

OFString *
of_dns_class_to_string(of_dns_class_t DNSClass)

	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name, _priority, _weight, _target, _port, _TTL];
}
@end

@implementation OFTXTDNSResourceRecord
@synthesize textStrings = _textStrings;

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
		  recordType: (of_dns_record_type_t)recordType
			 TTL: (uint32_t)TTL
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithName: (OFString *)name
		    DNSClass: (of_dns_class_t)DNSClass
		 textStrings: (OFArray OF_GENERIC(OFData *) *)textStrings
			 TTL: (uint32_t)TTL
{
	self = [super initWithName: name
			  DNSClass: DNSClass
			recordType: OF_DNS_RECORD_TYPE_TXT
			       TTL: TTL];

	@try {
		_textStrings = [textStrings copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_textStrings release];

	[super dealloc];
}

- (bool)isEqual: (id)object
{
	OFTXTDNSResourceRecord *record;

	if (record->_DNSClass != _DNSClass)
		return false;

	if (record->_recordType != _recordType)
		return false;

	if (record->_textStrings != _textStrings &&
	    ![record->_textStrings isEqual: _textStrings])
		return false;

	return true;
}

- (uint32_t)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	OF_HASH_ADD_HASH(hash, _name.hash);
	OF_HASH_ADD(hash, _DNSClass >> 8);
	OF_HASH_ADD(hash, _DNSClass);
	OF_HASH_ADD(hash, _recordType >> 8);
	OF_HASH_ADD(hash, _recordType);
	OF_HASH_ADD_HASH(hash, _textStrings.hash);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFString *)description
{
	void *pool = objc_autoreleasePoolPush();
	OFMutableString *text = [OFMutableString string];
	bool first = true;
	OFString *ret;

	for (OFData *string in _textStrings) {
		const unsigned char *stringItems = string.items;
		size_t stringCount = string.count;

		if (first) {
			first = false;
			[text appendString: @"\""];
		} else
			[text appendString: @" \""];

		for (size_t i = 0; i < stringCount; i++) {
			if (stringItems[i] == '\\')
				[text appendString: @"\\\\"];
			else if (stringItems[i] == '"')
				[text appendString: @"\\\""];
			else if (stringItems[i] < 0x20)
				[text appendFormat: @"\\x%02X", stringItems[i]];
			else if (stringItems[i] < 0x7F)
				[text appendFormat: @"%c", stringItems[i]];
			else
				[text appendFormat: @"\\x%02X", stringItems[i]];
		}

		[text appendString: @"\""];
	}

	ret = [OFString stringWithFormat:
	    @"<%@:\n"
	    @"\tName = %@\n"
	    @"\tClass = %@\n"
	    @"\tText strings = %@\n"
	    @"\tTTL = %" PRIu32 "\n"
	    @">",
	    self.className, _name, of_dns_class_to_string(_DNSClass), text,
	    _TTL];

	[ret retain];

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}
@end