1 files changed, 98 insertions, 0 deletions
diff --git a/rdf/base/nsNameSpaceMap.h b/rdf/base/nsNameSpaceMap.h
new file mode 100644
index 000000000..bc7c02029
--- /dev/null
+++ b/rdf/base/nsNameSpaceMap.h
@@ -0,0 +1,98 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsNameSpaceMap_h__
+#define nsNameSpaceMap_h__
+
+#include "nsCOMPtr.h"
+#include "nsString.h"
+#include "nsIAtom.h"
+
+class nsNameSpaceMap
+{
+public:
+    class Entry {
+    public:
+        Entry(const nsCSubstring& aURI, nsIAtom* aPrefix)
+            : mURI(aURI), mPrefix(aPrefix), mNext(nullptr) {
+            MOZ_COUNT_CTOR(nsNameSpaceMap::Entry); }
+
+        ~Entry() { MOZ_COUNT_DTOR(nsNameSpaceMap::Entry); }
+        
+        nsCString mURI;
+        nsCOMPtr<nsIAtom> mPrefix; 
+
+        Entry* mNext;
+    };
+
+    nsNameSpaceMap();
+    ~nsNameSpaceMap();
+
+    nsresult
+    Put(const nsAString& aURI, nsIAtom* aPrefix);
+
+    nsresult
+    Put(const nsCSubstring& aURI, nsIAtom* aPrefix);
+
+    class const_iterator {
+    protected:
+        friend class nsNameSpaceMap;
+
+        explicit const_iterator(const Entry* aCurrent)
+            : mCurrent(aCurrent) {}
+
+        const Entry* mCurrent;
+
+    public:
+        const_iterator()
+            : mCurrent(nullptr) {}
+
+        const_iterator(const const_iterator& iter)
+            : mCurrent(iter.mCurrent) {}
+
+        const_iterator&
+        operator=(const const_iterator& iter) {
+            mCurrent = iter.mCurrent;
+            return *this; }
+
+        const_iterator&
+        operator++() {
+            mCurrent = mCurrent->mNext;
+            return *this; }
+
+        const_iterator
+        operator++(int) {
+            const_iterator tmp(*this);
+            mCurrent = mCurrent->mNext;
+            return tmp; }
+
+        const Entry* operator->() const { return mCurrent; }
+
+        const Entry& operator*() const { return *mCurrent; }
+
+        bool
+        operator==(const const_iterator& iter) const {
+            return mCurrent == iter.mCurrent; }
+
+        bool
+        operator!=(const const_iterator& iter) const {
+            return ! iter.operator==(*this); }
+    };
+
+    const_iterator first() const {
+        return const_iterator(mEntries); }
+
+    const_iterator last() const {
+        return const_iterator(nullptr); }
+
+    const_iterator GetNameSpaceOf(const nsCSubstring& aURI) const;
+
+protected:
+    Entry* mEntries;
+};
+
+
+#endif // nsNameSpaceMap_h__