xnu-3247.1.106.tar.gz

[apple/xnu.git] / libkdd / kcdata / KCDStructTypeDescription.m

/*
 * Copyright (c) 2015 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
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 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

#import "KCDStructTypeDescription.h"

#ifndef KCDATA_TYPE_MAX_WITH_DESC
#define KCDATA_TYPE_MAX_WITH_DESC 0x6
#endif

@interface
KCDStructTypeDescription () {
	int _typeID;
	NSString * _name;
	NSMutableArray * _fields;
	BOOL _needDescriptionAsKey;
}

@end

@implementation KCDStructTypeDescription

- (id)initWithType:(int)typeID withName:(NSString *)name
{
	if ((self = [super init])) {
		_typeID = typeID;
		_name = name;
		_needDescriptionAsKey = NO;
		if (typeID >= 0x1 && typeID <= KCDATA_TYPE_MAX_WITH_DESC)
			_needDescriptionAsKey = YES;

		_fields = [[NSMutableArray alloc] init];
		return self;
	}
	return NULL;
}

- (void)addFieldBasicType:(KCDBasicTypeDescription *)fieldType
{
	[_fields addObject:fieldType];
}

- (NSMutableDictionary *)parseData:(void *)dataBuffer ofLength:(uint32_t)length
{
	NSMutableDictionary * retval = [[NSMutableDictionary alloc] init];
	for (KCDataType * fi in _fields) {
		NSMutableDictionary * _d = [fi parseData:dataBuffer ofLength:length];
		for (NSString * k in [_d keyEnumerator]) {
			retval[k] = _d[k];
		}
	}
	if (_needDescriptionAsKey) {
		NSString * desc = retval[@"desc"];
		NSObject * obj = retval[@"data"];
		retval[desc] = obj;
		[retval removeObjectForKey:@"desc"];
		[retval removeObjectForKey:@"data"];
	}
	return retval;
}

- (NSString *)description
{
	return [NSString stringWithFormat:@"type: %d => \"%@\" ", _typeID, _name];
}

- (NSString *)name
{
	return _name;
}

- (uint32_t)count
{
	return (uint32_t)[_fields count];
}

- (int)typeID
{
	return _typeID;
}

@end