1/*
2 * Copyright (c) 2000-2001,2003-2004 Apple Computer, Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25//
26// adornment - generic attached-storage facility
27//
28#include "adornments.h"
29#include <security_utilities/utilities.h>
30#include <security_utilities/debugging.h>
31
32
33namespace Security {
34
35
36//
37// Adornment needs a virtual destructor for safe deletion.
38//
39Adornment::~Adornment()
40{ }
41
42
43//
44// Adornable deletes all pointed-to objects when it dies.
45//
46Adornable::~Adornable()
47{
48	clearAdornments();
49}
50
51
52//
53// Primitive (non-template) adornment operations
54//
55Adornment *Adornable::getAdornment(Key key) const
56{
57	if (mAdornments) {
58		AdornmentMap::const_iterator it = mAdornments->find(key);
59		return (it == mAdornments->end()) ? NULL : it->second;
60	} else
61		return NULL;	// nada
62}
63
64void Adornable::setAdornment(Key key, Adornment *ad)
65{
66	Adornment *&slot = adornmentSlot(key);
67	delete slot;
68	slot = ad;
69}
70
71Adornment *Adornable::swapAdornment(Key key, Adornment *ad)
72{
73	std::swap(ad, adornmentSlot(key));
74	return ad;
75}
76
77Adornment *&Adornable::adornmentSlot(Key key)
78{
79	if (!mAdornments)
80		mAdornments = new AdornmentMap;
81	return (*mAdornments)[key];
82}
83
84void Adornable::clearAdornments()
85{
86	if (mAdornments) {
87		for_each_map_delete(mAdornments->begin(), mAdornments->end());
88		delete mAdornments;
89		mAdornments = NULL;
90	}
91}
92
93}	// end namespace Security
94