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48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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typedef char16_t nsStaticAtomStringType;
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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), MOZ_UTF16(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 <uint32_t size>
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struct nsFakeStringBuffer {
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int32_t mRefCnt;
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uint32_t mSize;
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nsStaticAtomStringType mStringData[size];
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};
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// Register an array of static atoms with the atom table
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template<uint32_t N>
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nsresult
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NS_RegisterStaticAtoms(const nsStaticAtom (&atoms)[N])
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{
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extern nsresult RegisterStaticAtoms(const nsStaticAtom*, uint32_t aAtomCount);
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return RegisterStaticAtoms(atoms, N);
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}
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#endif
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