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84 lines
3.1 KiB
C++
84 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Static Atom classes.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alec Flett <alecf@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsStaticAtom_h__
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#define nsStaticAtom_h__
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#include "nsIAtom.h"
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#include "nsStringBuffer.h"
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#include "prlog.h"
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#if defined(HAVE_CPP_CHAR16_T)
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#define NS_STATIC_ATOM_USE_WIDE_STRINGS
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typedef char16_t nsStaticAtomStringType;
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#elif defined(HAVE_CPP_2BYTE_WCHAR_T)
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#define NS_STATIC_ATOM_USE_WIDE_STRINGS
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typedef wchar_t nsStaticAtomStringType;
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#else
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typedef char nsStaticAtomStringType;
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#endif
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#define NS_STATIC_ATOM(buffer_name, atom_ptr) { (nsStringBuffer*) &buffer_name, atom_ptr }
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#define NS_STATIC_ATOM_BUFFER(buffer_name, str_data) static nsFakeStringBuffer< sizeof(str_data) > buffer_name = { 1, sizeof(str_data) * sizeof(nsStaticAtomStringType), NS_L(str_data) };
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/**
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* Holds data used to initialize large number of atoms during startup. Use
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* the above macros to initialize these structs. They should never be accessed
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* directly other than from AtomTable.cpp
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*/
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struct nsStaticAtom {
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nsStringBuffer* mStringBuffer;
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nsIAtom ** mAtom;
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};
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/**
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* This is a struct with the same binary layout as a nsStringBuffer.
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*/
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template <PRUint32 size>
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struct nsFakeStringBuffer {
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PRInt32 mRefCnt;
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PRUint32 mSize;
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nsStaticAtomStringType mStringData[size];
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};
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// Register static atoms with the atom table
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NS_COM nsresult
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NS_RegisterStaticAtoms(const nsStaticAtom*, PRUint32 aAtomCount);
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#endif
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