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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/xslt/base/txExpandedNameMap.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/dom/xslt/base/txExpandedNameMap.h b/dom/xslt/base/txExpandedNameMap.h
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+/* -*- 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 TRANSFRMX_EXPANDEDNAMEMAP_H
+#define TRANSFRMX_EXPANDEDNAMEMAP_H
+
+#include "nsAutoPtr.h"
+#include "nsError.h"
+#include "txExpandedName.h"
+#include "nsTArray.h"
+
+class txExpandedNameMap_base {
+protected:
+ /**
+ * Adds an item, if an item with this key already exists an error is
+ * returned
+ * @param aKey key for item to add
+ * @param aValue value of item to add
+ * @return errorcode
+ */
+ nsresult addItem(const txExpandedName& aKey, void* aValue);
+
+ /**
+ * Sets an item, if an item with this key already exists it is overwritten
+ * with the new value
+ * @param aKey key for item to set
+ * @param aValue value of item to set
+ * @return errorcode
+ */
+ nsresult setItem(const txExpandedName& aKey, void* aValue,
+ void** aOldValue);
+
+ /**
+ * Gets an item
+ * @param aKey key for item to get
+ * @return item with specified key, or null if no such item exists
+ */
+ void* getItem(const txExpandedName& aKey) const;
+
+ /**
+ * Removes an item, deleting it if the map owns the values
+ * @param aKey key for item to remove
+ * @return item with specified key, or null if it has been deleted
+ * or no such item exists
+ */
+ void* removeItem(const txExpandedName& aKey);
+
+ /**
+ * Clears the items
+ */
+ void clearItems()
+ {
+ mItems.Clear();
+ }
+
+ class iterator_base {
+ public:
+ explicit iterator_base(txExpandedNameMap_base& aMap)
+ : mMap(aMap),
+ mCurrentPos(uint32_t(-1))
+ {
+ }
+
+ bool next()
+ {
+ return ++mCurrentPos < mMap.mItems.Length();
+ }
+
+ const txExpandedName key()
+ {
+ NS_ASSERTION(mCurrentPos < mMap.mItems.Length(),
+ "invalid position in txExpandedNameMap::iterator");
+ return txExpandedName(mMap.mItems[mCurrentPos].mNamespaceID,
+ mMap.mItems[mCurrentPos].mLocalName);
+ }
+
+ protected:
+ void* itemValue()
+ {
+ NS_ASSERTION(mCurrentPos < mMap.mItems.Length(),
+ "invalid position in txExpandedNameMap::iterator");
+ return mMap.mItems[mCurrentPos].mValue;
+ }
+
+ private:
+ txExpandedNameMap_base& mMap;
+ uint32_t mCurrentPos;
+ };
+
+ friend class iterator_base;
+
+ friend class txMapItemComparator;
+ struct MapItem {
+ int32_t mNamespaceID;
+ nsCOMPtr<nsIAtom> mLocalName;
+ void* mValue;
+ };
+
+ nsTArray<MapItem> mItems;
+};
+
+template<class E>
+class txExpandedNameMap : public txExpandedNameMap_base
+{
+public:
+ nsresult add(const txExpandedName& aKey, E* aValue)
+ {
+ return addItem(aKey, (void*)aValue);
+ }
+
+ nsresult set(const txExpandedName& aKey, E* aValue)
+ {
+ void* oldValue;
+ return setItem(aKey, (void*)aValue, &oldValue);
+ }
+
+ E* get(const txExpandedName& aKey) const
+ {
+ return (E*)getItem(aKey);
+ }
+
+ E* remove(const txExpandedName& aKey)
+ {
+ return (E*)removeItem(aKey);
+ }
+
+ void clear()
+ {
+ clearItems();
+ }
+
+ class iterator : public iterator_base
+ {
+ public:
+ explicit iterator(txExpandedNameMap& aMap)
+ : iterator_base(aMap)
+ {
+ }
+
+ E* value()
+ {
+ return (E*)itemValue();
+ }
+ };
+};
+
+template<class E>
+class txOwningExpandedNameMap : public txExpandedNameMap_base
+{
+public:
+ ~txOwningExpandedNameMap()
+ {
+ clear();
+ }
+
+ nsresult add(const txExpandedName& aKey, E* aValue)
+ {
+ return addItem(aKey, (void*)aValue);
+ }
+
+ nsresult set(const txExpandedName& aKey, E* aValue)
+ {
+ nsAutoPtr<E> oldValue;
+ return setItem(aKey, (void*)aValue, getter_Transfers(oldValue));
+ }
+
+ E* get(const txExpandedName& aKey) const
+ {
+ return (E*)getItem(aKey);
+ }
+
+ void remove(const txExpandedName& aKey)
+ {
+ delete (E*)removeItem(aKey);
+ }
+
+ void clear()
+ {
+ uint32_t i, len = mItems.Length();
+ for (i = 0; i < len; ++i) {
+ delete (E*)mItems[i].mValue;
+ }
+ clearItems();
+ }
+
+ class iterator : public iterator_base
+ {
+ public:
+ explicit iterator(txOwningExpandedNameMap& aMap)
+ : iterator_base(aMap)
+ {
+ }
+
+ E* value()
+ {
+ return (E*)itemValue();
+ }
+ };
+};
+
+#endif //TRANSFRMX_EXPANDEDNAMEMAP_H