//
//  $Id$
//
//  PGPostgresTypeBinaryHandler.m
//  PostgresKit
//
//  Created by Stuart Connolly (stuconnolly.com) on September 28, 2012.
//  Copyright (c) 2012 Stuart Connolly. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person
//  obtaining a copy of this software and associated documentation
//  files (the "Software"), to deal in the Software without
//  restriction, including without limitation the rights to use,
//  copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the
//  Software is furnished to do so, subject to the following
//  conditions:
//
//  The above copyright notice and this permission notice shall be
//  included in all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
//  OTHER DEALINGS IN THE SOFTWARE.

#import "PGPostgresTypeBinaryHandler.h"

static PGPostgresOid PGPostgresTypeBinaryTypes[] = 
{ 
	PGPostgresOidByteData,
	0 
};

@implementation PGPostgresTypeBinaryHandler

@synthesize row = _row;
@synthesize type = _type;
@synthesize column = _column;
@synthesize result = _result;

#pragma mark -
#pragma mark Protocol Implementation

- (PGPostgresOid *)remoteTypes 
{
	return PGPostgresTypeBinaryTypes;
}

- (Class)nativeClass 
{
	return [NSString class];
}

- (NSArray *)classAliases
{
	return nil;
}

- (id)objectFromResult
{	
	PGbytea data;
	
	if (!_result || !_type) return [NSNull null];
	
	if (!PQgetf(_result, _row, PGPostgresResultValueByteA, _column)) return [NSNull null];
	
	if (!data.data || !data.len) return [NSData data];
	
	return [NSData dataWithBytes:data.data length:data.len];
}

@end