RetroZilla/extensions/transformiix/source/base/txExpandedNameMap.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is TransforMiiX XSLT processor code.
*
* The Initial Developer of the Original Code is
* Jonas Sicking.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jonas Sicking <sicking@bigfoot.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef TRANSFRMX_EXPANDEDNAMEMAP_H
#define TRANSFRMX_EXPANDEDNAMEMAP_H
#include "txError.h"
#include "XMLUtils.h"
class TxObject;
class txExpandedNameMap {
public:
txExpandedNameMap(MBool aOwnsValues);
~txExpandedNameMap();
/**
* 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 add(const txExpandedName& aKey, TxObject* 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 set(const txExpandedName& aKey, TxObject* aValue);
/**
* Gets an item
* @param aKey key for item to get
* @return item with specified key, or null if no such item exists
*/
TxObject* get(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
*/
TxObject* remove(const txExpandedName& aKey);
/**
* Clears the items
*/
void clear();
class iterator {
public:
iterator(txExpandedNameMap& aMap) : mMap(aMap),
mCurrentPos(-1)
{
}
MBool next()
{
return ++mCurrentPos < mMap.mItemCount;
}
const txExpandedName key()
{
NS_ASSERTION(mCurrentPos >= 0 && mCurrentPos < mMap.mItemCount,
"invalid position in txExpandedNameMap::iterator");
return txExpandedName(mMap.mItems[mCurrentPos].mNamespaceID,
mMap.mItems[mCurrentPos].mLocalName);
}
TxObject* value()
{
NS_ASSERTION(mCurrentPos >= 0 && mCurrentPos < mMap.mItemCount,
"invalid position in txExpandedNameMap::iterator");
return mMap.mItems[mCurrentPos].mValue;
}
private:
txExpandedNameMap& mMap;
int mCurrentPos;
};
friend class iterator;
private:
struct MapItem {
PRInt32 mNamespaceID;
nsIAtom* mLocalName;
TxObject* mValue;
};
MapItem* mItems;
int mItemCount, mBufferCount;
MBool mOwnsValues;
};
#endif //TRANSFRMX_EXPANDEDNAMEMAP_H