| 1 | /** |
| 2 | * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 | * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| 4 | * Copyright (C) 2003, 2004, 2005, 2006, 2010 Apple Inc. All rights reserved. |
| 5 | * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net) |
| 6 | * |
| 7 | * This library is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Library General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This library is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Library General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Library General Public License |
| 18 | * along with this library; see the file COPYING.LIB. If not, write to |
| 19 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 20 | * Boston, MA 02110-1301, USA. |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include "config.h" |
| 25 | #include "BidiRun.h" |
| 26 | #include "InlineBox.h" |
| 27 | #include <wtf/RefCountedLeakCounter.h> |
| 28 | #include <wtf/StdLibExtras.h> |
| 29 | |
| 30 | namespace WebCore { |
| 31 | |
| 32 | DEFINE_DEBUG_ONLY_GLOBAL(WTF::RefCountedLeakCounter, bidiRunCounter, ("BidiRun" )); |
| 33 | |
| 34 | BidiRun::BidiRun(unsigned start, unsigned stop, RenderObject& renderer, BidiContext* context, UCharDirection dir) |
| 35 | : BidiCharacterRun(start, stop, context, dir) |
| 36 | , m_renderer(renderer) |
| 37 | , m_box(nullptr) |
| 38 | { |
| 39 | #ifndef NDEBUG |
| 40 | bidiRunCounter.increment(); |
| 41 | #endif |
| 42 | ASSERT(!is<RenderText>(m_renderer) || static_cast<unsigned>(stop) <= downcast<RenderText>(m_renderer).text().length()); |
| 43 | // Stored in base class to save space. |
| 44 | m_hasHyphen = false; |
| 45 | } |
| 46 | |
| 47 | BidiRun::~BidiRun() |
| 48 | { |
| 49 | #ifndef NDEBUG |
| 50 | bidiRunCounter.decrement(); |
| 51 | #endif |
| 52 | } |
| 53 | |
| 54 | std::unique_ptr<BidiRun> BidiRun::takeNext() |
| 55 | { |
| 56 | std::unique_ptr<BidiCharacterRun> next = BidiCharacterRun::takeNext(); |
| 57 | BidiCharacterRun* raw = next.release(); |
| 58 | std::unique_ptr<BidiRun> result = std::unique_ptr<BidiRun>(static_cast<BidiRun*>(raw)); |
| 59 | return result; |
| 60 | } |
| 61 | |
| 62 | } |
| 63 | |