From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- dom/base/nsTextFragmentImpl.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 dom/base/nsTextFragmentImpl.h (limited to 'dom/base/nsTextFragmentImpl.h') diff --git a/dom/base/nsTextFragmentImpl.h b/dom/base/nsTextFragmentImpl.h new file mode 100644 index 0000000000..0e22c6f44c --- /dev/null +++ b/dom/base/nsTextFragmentImpl.h @@ -0,0 +1,36 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 nsTextFragmentImpl_h__ +#define nsTextFragmentImpl_h__ + +#include + +template +struct Non8BitParameters; +template <> +struct Non8BitParameters<4> { + static inline size_t mask() { return 0xff00ff00; } + static inline uint32_t alignMask() { return 0x3; } + static inline uint32_t numUnicharsPerWord() { return 2; } +}; + +template <> +struct Non8BitParameters<8> { + static inline size_t mask() { + static const uint64_t maskAsUint64 = 0xff00ff00ff00ff00ULL; + // We have to explicitly cast this 64-bit value to a size_t, or else + // compilers for 32-bit platforms will warn about it being too large to fit + // in the size_t return type. (Fortunately, this code isn't actually + // invoked on 32-bit platforms -- they'll use the <4> specialization above. + // So it is, in fact, OK that this value is too large for a 32-bit size_t.) + return (size_t)maskAsUint64; + } + static inline uint32_t alignMask() { return 0x7; } + static inline uint32_t numUnicharsPerWord() { return 4; } +}; + +#endif -- cgit v1.2.3