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/*
* Copyright (C) 1997 Martin Jones (mjones@kde.org)
* (C) 1997 Torben Weis (weis@kde.org)
* (C) 1998 Waldo Bastian (bastian@kde.org)
* (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003-2023 Apple Inc. All rights reserved.
* Copyright (C) 2014 Google Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "HTMLTableRowElement.h"
#include "GenericCachedHTMLCollection.h"
#include "HTMLNames.h"
#include "HTMLTableCellElement.h"
#include "HTMLTableElement.h"
#include "HTMLTableSectionElement.h"
#include "NodeList.h"
#include "NodeRareData.h"
#include "Text.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(HTMLTableRowElement);
using namespace HTMLNames;
inline HTMLTableRowElement::HTMLTableRowElement(const QualifiedName& tagName, Document& document)
: HTMLTablePartElement(tagName, document)
{
ASSERT(hasTagName(trTag));
}
Ref<HTMLTableRowElement> HTMLTableRowElement::create(Document& document)
{
return adoptRef(*new HTMLTableRowElement(trTag, document));
}
Ref<HTMLTableRowElement> HTMLTableRowElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLTableRowElement(tagName, document));
}
static inline RefPtr<HTMLTableElement> findTable(const HTMLTableRowElement& row)
{
auto* parent = row.parentNode();
if (auto* table = dynamicDowncast<HTMLTableElement>(parent))
return table;
if (is<HTMLTableSectionElement>(parent)) {
if (auto* table = dynamicDowncast<HTMLTableElement>(parent->parentNode()))
return table;
}
return nullptr;
}
int HTMLTableRowElement::rowIndex() const
{
auto table = findTable(*this);
if (!table)
return -1;
auto rows = table->rows();
unsigned length = rows->length();
for (unsigned i = 0; i < length; ++i) {
if (rows->item(i) == this)
return i;
}
return -1;
}
static inline RefPtr<HTMLCollection> findRows(const HTMLTableRowElement& row)
{
RefPtr parent = row.parentNode();
if (auto* section = dynamicDowncast<HTMLTableSectionElement>(parent.get()))
return section->rows();
if (auto* table = dynamicDowncast<HTMLTableElement>(parent.get()))
return table->rows();
return nullptr;
}
int HTMLTableRowElement::sectionRowIndex() const
{
auto rows = findRows(*this);
if (!rows)
return -1;
unsigned length = rows->length();
for (unsigned i = 0; i < length; ++i) {
if (rows->item(i) == this)
return i;
}
return -1;
}
ExceptionOr<Ref<HTMLTableCellElement>> HTMLTableRowElement::insertCell(int index)
{
if (index < -1)
return Exception { ExceptionCode::IndexSizeError };
auto children = cells();
int numCells = children->length();
if (index > numCells)
return Exception { ExceptionCode::IndexSizeError };
auto cell = HTMLTableCellElement::create(tdTag, document());
ExceptionOr<void> result;
if (numCells == index || index == -1)
result = appendChild(cell);
else
result = insertBefore(cell, children->item(index));
if (result.hasException())
return result.releaseException();
return cell;
}
ExceptionOr<void> HTMLTableRowElement::deleteCell(int index)
{
auto children = cells();
int numCells = children->length();
if (index == -1) {
if (!numCells)
return { };
index = numCells - 1;
}
if (index < 0 || index >= numCells)
return Exception { ExceptionCode::IndexSizeError };
return removeChild(*children->item(index));
}
Ref<HTMLCollection> HTMLTableRowElement::cells()
{
return ensureRareData().ensureNodeLists().addCachedCollection<GenericCachedHTMLCollection<CollectionTypeTraits<CollectionType::TRCells>::traversalType>>(*this, CollectionType::TRCells);
}
}
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