PositionTemplate<Strategy> PositionTemplate<Strategy>::toOffsetInAnchor() const
{
if (isNull())
return PositionTemplate<Strategy>();
return PositionTemplate<Strategy>(computeContainerNode(), computeOffsetInContainerNode());
}
// Neighbor-anchored positions are invalid DOM positions, so they need to be
// fixed up before handing them off to the Range object.
Position Position::parentAnchoredEquivalent() const
{
if (!m_anchorNode)
return Position();
// FIXME: This should only be necessary for legacy positions, but is also needed for positions before and after Tables
if (m_offset <= 0 && m_anchorType != PositionIsAfterAnchor) {
if (m_anchorNode->parentNode() && (editingIgnoresContent(m_anchorNode.get()) || isTableElement(m_anchorNode.get())))
return positionInParentBeforeNode(m_anchorNode.get());
return firstPositionInOrBeforeNode(m_anchorNode.get());
}
if (!m_anchorNode->offsetInCharacters() && (m_anchorType == PositionIsAfterAnchor || static_cast<unsigned>(m_offset) == m_anchorNode->childNodeCount())
&& (editingIgnoresContent(m_anchorNode.get()) || isTableElement(m_anchorNode.get()))
&& containerNode()) {
return positionInParentAfterNode(m_anchorNode.get());
}
return Position(containerNode(), computeOffsetInContainerNode(), PositionIsOffsetInAnchor);
}
PositionTemplate<Strategy> PositionTemplate<Strategy>::parentAnchoredEquivalent() const
{
if (!m_anchorNode)
return PositionTemplate<Strategy>();
// FIXME: This should only be necessary for legacy positions, but is also needed for positions before and after Tables
if (m_offset == 0 && !isAfterAnchorOrAfterChildren()) {
if (Strategy::parent(*m_anchorNode) && (Strategy::editingIgnoresContent(m_anchorNode.get()) || isDisplayInsideTable(m_anchorNode.get())))
return inParentBeforeNode(*m_anchorNode);
return PositionTemplate<Strategy>(m_anchorNode.get(), 0);
}
if (!m_anchorNode->offsetInCharacters()
&& (isAfterAnchorOrAfterChildren() || static_cast<unsigned>(m_offset) == m_anchorNode->countChildren())
&& (Strategy::editingIgnoresContent(m_anchorNode.get()) || isDisplayInsideTable(m_anchorNode.get()))
&& computeContainerNode()) {
return inParentAfterNode(*m_anchorNode);
}
return PositionTemplate<Strategy>(computeContainerNode(), computeOffsetInContainerNode());
}
