1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2  *
3  * This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 
7 #ifndef nsNameSpaceMap_h__
8 #define nsNameSpaceMap_h__
9 
10 #include "nsCOMPtr.h"
11 #include "nsString.h"
12 #include "nsAtom.h"
13 
14 class nsNameSpaceMap {
15  public:
16   class Entry {
17    public:
Entry(const nsACString & aURI,nsAtom * aPrefix)18     Entry(const nsACString& aURI, nsAtom* aPrefix)
19         : mURI(aURI), mPrefix(aPrefix), mNext(nullptr) {
20       MOZ_COUNT_CTOR(nsNameSpaceMap::Entry);
21     }
22 
~Entry()23     ~Entry() { MOZ_COUNT_DTOR(nsNameSpaceMap::Entry); }
24 
25     nsCString mURI;
26     RefPtr<nsAtom> mPrefix;
27 
28     Entry* mNext;
29   };
30 
31   nsNameSpaceMap();
32   ~nsNameSpaceMap();
33 
34   nsresult Put(const nsAString& aURI, nsAtom* aPrefix);
35 
36   nsresult Put(const nsACString& aURI, nsAtom* aPrefix);
37 
38   class const_iterator {
39    protected:
40     friend class nsNameSpaceMap;
41 
const_iterator(const Entry * aCurrent)42     explicit const_iterator(const Entry* aCurrent) : mCurrent(aCurrent) {}
43 
44     const Entry* mCurrent;
45 
46    public:
const_iterator()47     const_iterator() : mCurrent(nullptr) {}
48 
const_iterator(const const_iterator & iter)49     const_iterator(const const_iterator& iter) : mCurrent(iter.mCurrent) {}
50 
51     const_iterator& operator=(const const_iterator& iter) {
52       mCurrent = iter.mCurrent;
53       return *this;
54     }
55 
56     const_iterator& operator++() {
57       mCurrent = mCurrent->mNext;
58       return *this;
59     }
60 
61     const_iterator operator++(int) {
62       const_iterator tmp(*this);
63       mCurrent = mCurrent->mNext;
64       return tmp;
65     }
66 
67     const Entry* operator->() const { return mCurrent; }
68 
69     const Entry& operator*() const { return *mCurrent; }
70 
71     bool operator==(const const_iterator& iter) const {
72       return mCurrent == iter.mCurrent;
73     }
74 
75     bool operator!=(const const_iterator& iter) const {
76       return !iter.operator==(*this);
77     }
78   };
79 
first()80   const_iterator first() const { return const_iterator(mEntries); }
81 
last()82   const_iterator last() const { return const_iterator(nullptr); }
83 
84   const_iterator GetNameSpaceOf(const nsACString& aURI) const;
85 
86  protected:
87   Entry* mEntries;
88 };
89 
90 #endif  // nsNameSpaceMap_h__
91