1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Hashtable Keys.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Benjamin Smedberg <bsmedberg@covad.net>
19 : *
20 : * Portions created by the Initial Developer are Copyright (C) 2003
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either the GNU General Public License Version 2 or later (the "GPL"), or
27 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 : #ifndef nsURIHashKey_h__
39 : #define nsURIHashKey_h__
40 :
41 : #include "pldhash.h"
42 : #include "nsCOMPtr.h"
43 : #include "nsIURI.h"
44 : #include "nsHashKeys.h"
45 :
46 : /**
47 : * Hashtable key class to use with nsTHashtable/nsBaseHashtable
48 : */
49 : class nsURIHashKey : public PLDHashEntryHdr
50 : {
51 : public:
52 : typedef nsIURI* KeyType;
53 : typedef const nsIURI* KeyTypePointer;
54 :
55 17937 : nsURIHashKey(const nsIURI* aKey) :
56 17937 : mKey(const_cast<nsIURI*>(aKey)) { MOZ_COUNT_CTOR(nsURIHashKey); }
57 : nsURIHashKey(const nsURIHashKey& toCopy) :
58 : mKey(toCopy.mKey) { MOZ_COUNT_CTOR(nsURIHashKey); }
59 17937 : ~nsURIHashKey() { MOZ_COUNT_DTOR(nsURIHashKey); }
60 :
61 0 : nsIURI* GetKey() const { return mKey; }
62 :
63 5152 : bool KeyEquals(const nsIURI* aKey) const {
64 : bool eq;
65 5152 : if (NS_SUCCEEDED(mKey->Equals(const_cast<nsIURI*>(aKey), &eq))) {
66 5152 : return eq;
67 : }
68 0 : return false;
69 : }
70 :
71 26681 : static const nsIURI* KeyToPointer(nsIURI* aKey) { return aKey; }
72 26681 : static PLDHashNumber HashKey(const nsIURI* aKey) {
73 53362 : nsCAutoString spec;
74 26681 : const_cast<nsIURI*>(aKey)->GetSpec(spec);
75 26681 : return mozilla::HashString(spec);
76 : }
77 :
78 : enum { ALLOW_MEMMOVE = true };
79 :
80 : protected:
81 : nsCOMPtr<nsIURI> mKey;
82 : };
83 :
84 : #endif // nsURIHashKey_h__
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