153 lines
4.6 KiB
C++
153 lines
4.6 KiB
C++
/*
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* Copyright (C) 1997 Martin Jones (mjones@kde.org)
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* (C) 1997 Torben Weis (weis@kde.org)
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* (C) 1998 Waldo Bastian (bastian@kde.org)
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* (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "HTMLTableRowElement.h"
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#include "GenericCachedHTMLCollection.h"
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#include "HTMLNames.h"
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#include "HTMLTableCellElement.h"
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#include "HTMLTableElement.h"
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#include "HTMLTableSectionElement.h"
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#include "NodeList.h"
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#include "NodeRareData.h"
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#include "Text.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLTableRowElement);
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using namespace HTMLNames;
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inline HTMLTableRowElement::HTMLTableRowElement(const QualifiedName& tagName, Document& document)
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: HTMLTablePartElement(tagName, document)
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{
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ASSERT(hasTagName(trTag));
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}
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Ref<HTMLTableRowElement> HTMLTableRowElement::create(Document& document)
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{
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return adoptRef(*new HTMLTableRowElement(trTag, document));
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}
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Ref<HTMLTableRowElement> HTMLTableRowElement::create(const QualifiedName& tagName, Document& document)
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{
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return adoptRef(*new HTMLTableRowElement(tagName, document));
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}
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static inline RefPtr<HTMLTableElement> findTable(const HTMLTableRowElement& row)
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{
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auto* parent = row.parentNode();
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if (is<HTMLTableElement>(parent))
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return downcast<HTMLTableElement>(parent);
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if (is<HTMLTableSectionElement>(parent)) {
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auto* grandparent = parent->parentNode();
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if (is<HTMLTableElement>(grandparent))
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return downcast<HTMLTableElement>(grandparent);
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}
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return nullptr;
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}
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int HTMLTableRowElement::rowIndex() const
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{
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auto table = findTable(*this);
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if (!table)
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return -1;
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auto rows = table->rows();
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unsigned length = rows->length();
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for (unsigned i = 0; i < length; ++i) {
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if (rows->item(i) == this)
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return i;
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}
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return -1;
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}
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static inline RefPtr<HTMLCollection> findRows(const HTMLTableRowElement& row)
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{
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auto parent = makeRefPtr(row.parentNode());
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if (is<HTMLTableSectionElement>(parent))
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return downcast<HTMLTableSectionElement>(*parent).rows();
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if (is<HTMLTableElement>(parent))
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return downcast<HTMLTableElement>(*parent).rows();
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return nullptr;
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}
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int HTMLTableRowElement::sectionRowIndex() const
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{
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auto rows = findRows(*this);
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if (!rows)
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return -1;
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unsigned length = rows->length();
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for (unsigned i = 0; i < length; ++i) {
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if (rows->item(i) == this)
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return i;
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}
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return -1;
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}
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ExceptionOr<Ref<HTMLTableCellElement>> HTMLTableRowElement::insertCell(int index)
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{
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if (index < -1)
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return Exception { IndexSizeError };
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auto children = cells();
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int numCells = children->length();
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if (index > numCells)
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return Exception { IndexSizeError };
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auto cell = HTMLTableCellElement::create(tdTag, document());
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ExceptionOr<void> result;
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if (index < 0 || index >= numCells)
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result = appendChild(cell);
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else
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result = insertBefore(cell, index < 1 ? firstChild() : children->item(index));
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if (result.hasException())
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return result.releaseException();
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return cell;
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}
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ExceptionOr<void> HTMLTableRowElement::deleteCell(int index)
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{
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auto children = cells();
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int numCells = children->length();
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if (index == -1) {
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if (!numCells)
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return { };
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index = numCells - 1;
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}
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if (index < 0 || index >= numCells)
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return Exception { IndexSizeError };
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return removeChild(*children->item(index));
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}
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Ref<HTMLCollection> HTMLTableRowElement::cells()
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{
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return ensureRareData().ensureNodeLists().addCachedCollection<GenericCachedHTMLCollection<CollectionTypeTraits<TRCells>::traversalType>>(*this, TRCells);
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}
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}
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