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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:41 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:41 -0800 |
commit | 648161bb0edfc3d43db63caed5cc5213bc6cb78f (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /WebCore/dom/RangeBoundaryPoint.h | |
parent | a65af38181ac7d34544586bdb5cd004de93897ad (diff) | |
download | external_webkit-648161bb0edfc3d43db63caed5cc5213bc6cb78f.zip external_webkit-648161bb0edfc3d43db63caed5cc5213bc6cb78f.tar.gz external_webkit-648161bb0edfc3d43db63caed5cc5213bc6cb78f.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'WebCore/dom/RangeBoundaryPoint.h')
-rw-r--r-- | WebCore/dom/RangeBoundaryPoint.h | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/WebCore/dom/RangeBoundaryPoint.h b/WebCore/dom/RangeBoundaryPoint.h deleted file mode 100644 index 4cb7bf5..0000000 --- a/WebCore/dom/RangeBoundaryPoint.h +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Copyright (C) 2008 Apple Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef RangeBoundaryPoint_h -#define RangeBoundaryPoint_h - -#include "Node.h" -#include "Position.h" - -namespace WebCore { - -class RangeBoundaryPoint { -public: - RangeBoundaryPoint(); - explicit RangeBoundaryPoint(PassRefPtr<Node> container); - - const Position& position() const; - Node* container() const; - int offset() const; - Node* childBefore() const; - - void clear(); - - void set(PassRefPtr<Node> container, int offset, Node* childBefore); - void setOffset(int offset); - void setToChild(Node* child); - void setToStart(PassRefPtr<Node> container); - void setToEnd(PassRefPtr<Node> container); - - void childBeforeWillBeRemoved(); - void invalidateOffset() const; - -private: - static const int invalidOffset = -1; - - mutable Position m_position; - Node* m_childBefore; -}; - -inline RangeBoundaryPoint::RangeBoundaryPoint() - : m_childBefore(0) -{ -} - -inline RangeBoundaryPoint::RangeBoundaryPoint(PassRefPtr<Node> container) - : m_position(container, 0) - , m_childBefore(0) -{ -} - -inline Node* RangeBoundaryPoint::container() const -{ - return m_position.container.get(); -} - -inline Node* RangeBoundaryPoint::childBefore() const -{ - return m_childBefore; -} - -inline const Position& RangeBoundaryPoint::position() const -{ - if (m_position.posOffset >= 0) - return m_position; - ASSERT(m_childBefore); - m_position.posOffset = m_childBefore->nodeIndex() + 1; - return m_position; -} - -inline int RangeBoundaryPoint::offset() const -{ - return position().posOffset; -} - -inline void RangeBoundaryPoint::clear() -{ - m_position.clear(); - m_childBefore = 0; -} - -inline void RangeBoundaryPoint::set(PassRefPtr<Node> container, int offset, Node* childBefore) -{ - ASSERT(offset >= 0); - ASSERT(childBefore == (offset ? container->childNode(offset - 1) : 0)); - m_position.container = container; - m_position.posOffset = offset; - m_childBefore = childBefore; -} - -inline void RangeBoundaryPoint::setOffset(int offset) -{ - ASSERT(m_position.container); - ASSERT(m_position.container->offsetInCharacters()); - ASSERT(m_position.posOffset >= 0); - ASSERT(!m_childBefore); - m_position.posOffset = offset; -} - -inline void RangeBoundaryPoint::setToChild(Node* child) -{ - ASSERT(child); - ASSERT(child->parentNode()); - m_position.container = child->parentNode(); - m_childBefore = child->previousSibling(); - m_position.posOffset = m_childBefore ? invalidOffset : 0; -} - -inline void RangeBoundaryPoint::setToStart(PassRefPtr<Node> container) -{ - ASSERT(container); - m_position.container = container; - m_position.posOffset = 0; - m_childBefore = 0; -} - -inline void RangeBoundaryPoint::setToEnd(PassRefPtr<Node> container) -{ - ASSERT(container); - m_position.container = container; - if (m_position.container->offsetInCharacters()) { - m_position.posOffset = m_position.container->maxCharacterOffset(); - m_childBefore = 0; - } else { - m_childBefore = m_position.container->lastChild(); - m_position.posOffset = m_childBefore ? invalidOffset : 0; - } -} - -inline void RangeBoundaryPoint::childBeforeWillBeRemoved() -{ - ASSERT(m_position.posOffset); - m_childBefore = m_childBefore->previousSibling(); - if (!m_childBefore) - m_position.posOffset = 0; - else if (m_position.posOffset > 0) - --m_position.posOffset; -} - -inline void RangeBoundaryPoint::invalidateOffset() const -{ - m_position.posOffset = invalidOffset; -} - -inline bool operator==(const RangeBoundaryPoint& a, const RangeBoundaryPoint& b) -{ - if (a.container() != b.container()) - return false; - if (a.childBefore() || b.childBefore()) { - if (a.childBefore() != b.childBefore()) - return false; - } else { - if (a.offset() != b.offset()) - return false; - } - return true; -} - -} - -#endif |