rdf/base/src/nsNameSpaceMap.h

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  39
  40 #ifndef nsNameSpaceMap_h__
  41 #define nsNameSpaceMap_h__
  42
  43 #include "nsCOMPtr.h"
  44 #include "nsString.h"
  45 #include "nsIAtom.h"
  46
  47 class nsNameSpaceMap
  48 {
  49 public:
  50     class Entry {
  51     public:
  52         Entry(const nsCSubstring& aURI, nsIAtom* aPrefix)
  53             : mURI(aURI), mPrefix(aPrefix), mNext(nsnull) {
  54             MOZ_COUNT_CTOR(nsNameSpaceMap::Entry); }
  55
  56         ~Entry() { MOZ_COUNT_DTOR(nsNameSpaceMap::Entry); }
  57
  58         nsCString mURI;
  59         nsCOMPtr<nsIAtom> mPrefix;
  60
  61         Entry* mNext;
  62     };
  63
  64     nsNameSpaceMap();
  65     ~nsNameSpaceMap();
  66
  67     nsresult
  68     Put(const nsAString& aURI, nsIAtom* aPrefix);
  69
  70     nsresult
  71     Put(const nsCSubstring& aURI, nsIAtom* aPrefix);
  72
  73     class const_iterator {
  74     protected:
  75         friend class nsNameSpaceMap;
  76
  77         const_iterator(const Entry* aCurrent)
  78             : mCurrent(aCurrent) {}
  79
  80         const Entry* mCurrent;
  81
  82     public:
  83         const_iterator()
  84             : mCurrent(nsnull) {}
  85
  86         const_iterator(const const_iterator& iter)
  87             : mCurrent(iter.mCurrent) {}
  88
  89         const_iterator&
  90         operator=(const const_iterator& iter) {
  91             mCurrent = iter.mCurrent;
  92             return *this; }
  93
  94         const_iterator&
  95         operator++() {
  96             mCurrent = mCurrent->mNext;
  97             return *this; }
  98
  99         const_iterator
 100         operator++(int) {
 101             const_iterator tmp(*this);
 102             mCurrent = mCurrent->mNext;
 103             return tmp; }
 104
 105         const Entry* operator->() const { return mCurrent; }
 106
 107         const Entry& operator*() const { return *mCurrent; }
 108
 109         PRBool
 110         operator==(const const_iterator& iter) const {
 111             return mCurrent == iter.mCurrent; }
 112
 113         PRBool
 114         operator!=(const const_iterator& iter) const {
 115             return ! iter.operator==(*this); }
 116     };
 117
 118     const_iterator first() const {
 119         return const_iterator(mEntries); }
 120
 121     const_iterator last() const {
 122         return const_iterator(nsnull); }
 123
 124     const_iterator GetNameSpaceOf(const nsCSubstring& aURI) const;
 125
 126 protected:
 127     Entry* mEntries;
 128 };
 129
 130
 131 #endif // nsNameSpaceMap_h__