xpcom/ds/nsStaticAtom.h@6474c204b198
xpcom/ds/nsStaticAtom.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #ifndef nsStaticAtom_h__
7 #define nsStaticAtom_h__
9 #include "nsIAtom.h"
10 #include "nsStringBuffer.h"
11 #include "prlog.h"
13 typedef char16_t nsStaticAtomStringType;
15 #define NS_STATIC_ATOM(buffer_name, atom_ptr) { (nsStringBuffer*) &buffer_name, atom_ptr }
16 #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) };
18 /**
19 * Holds data used to initialize large number of atoms during startup. Use
20 * the above macros to initialize these structs. They should never be accessed
21 * directly other than from AtomTable.cpp
22 */
23 struct nsStaticAtom {
24 nsStringBuffer* mStringBuffer;
25 nsIAtom ** mAtom;
26 };
28 /**
29 * This is a struct with the same binary layout as a nsStringBuffer.
30 */
31 template <uint32_t size>
32 struct nsFakeStringBuffer {
33 int32_t mRefCnt;
34 uint32_t mSize;
35 nsStaticAtomStringType mStringData[size];
36 };
38 // Register an array of static atoms with the atom table
39 template<uint32_t N>
40 nsresult
41 NS_RegisterStaticAtoms(const nsStaticAtom (&atoms)[N])
42 {
43 extern nsresult RegisterStaticAtoms(const nsStaticAtom*, uint32_t aAtomCount);
44 return RegisterStaticAtoms(atoms, N);
45 }
47 #endif
