gecko/xpcom/ds/nsStaticAtom.h
Joshua Cranmer b511ee58c5 Bug 904985 - Use Char16.h in favor of NS_LL, Part 3: kill NS_LL. r=dbaron
--HG--
extra : rebase_source : bc105a8cbb87cc9b6b2db0734d9841fe599e794b
2013-09-17 22:43:21 -05:00

48 lines
1.5 KiB
C++

/* -*- 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 nsStaticAtom_h__
#define nsStaticAtom_h__
#include "nsIAtom.h"
#include "nsStringBuffer.h"
#include "prlog.h"
typedef char16_t nsStaticAtomStringType;
#define NS_STATIC_ATOM(buffer_name, atom_ptr) { (nsStringBuffer*) &buffer_name, atom_ptr }
#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) };
/**
* Holds data used to initialize large number of atoms during startup. Use
* the above macros to initialize these structs. They should never be accessed
* directly other than from AtomTable.cpp
*/
struct nsStaticAtom {
nsStringBuffer* mStringBuffer;
nsIAtom ** mAtom;
};
/**
* This is a struct with the same binary layout as a nsStringBuffer.
*/
template <uint32_t size>
struct nsFakeStringBuffer {
int32_t mRefCnt;
uint32_t mSize;
nsStaticAtomStringType mStringData[size];
};
// Register an array of static atoms with the atom table
template<uint32_t N>
nsresult
NS_RegisterStaticAtoms(const nsStaticAtom (&atoms)[N])
{
extern nsresult RegisterStaticAtoms(const nsStaticAtom*, uint32_t aAtomCount);
return RegisterStaticAtoms(atoms, N);
}
#endif