text: /*
   * 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, 2004, 2005, 2006, 2010 Apple 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 "core/html/HTMLTableSectionElement.h"
  
  #include "bindings/core/v8/ExceptionState.h"
  #include "core/HTMLNames.h"
  #include "core/dom/ElementTraversal.h"
  #include "core/dom/ExceptionCode.h"
  #include "core/dom/NodeListsNodeData.h"
  #include "core/html/HTMLCollection.h"
  #include "core/html/HTMLTableElement.h"
  #include "core/html/HTMLTableRowElement.h"
  
  namespace blink {
  
  using namespace HTMLNames;
  
  inline HTMLTableSectionElement::HTMLTableSectionElement(const QualifiedName& tagName, Document& document)
      : HTMLTablePartElement(tagName, document)
  {
  }
  
  DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(HTMLTableSectionElement)
  
  const StylePropertySet* HTMLTableSectionElement::additionalPresentationAttributeStyle()
  {
      if (HTMLTableElement* table = findParentTable())
          return table->additionalGroupStyle(true);
      return nullptr;
  }
  
  // these functions are rather slow, since we need to get the row at
  // the index... but they aren't used during usual HTML parsing anyway
  PassRefPtrWillBeRawPtr<HTMLElement> HTMLTableSectionElement::insertRow(int index, ExceptionState& exceptionState)
  {
      RefPtrWillBeRawPtr<HTMLCollection> children = rows();
      int numRows = children ? static_cast<int>(children->length()) : 0;
      if (index < -1 || index > numRows) {
          exceptionState.throwDOMException(IndexSizeError, "The provided index (" + String::number(index) + " is outside the range [-1, " + String::number(numRows) + "].");
          return nullptr;
      }
  
      RefPtrWillBeRawPtr<HTMLTableRowElement> row = HTMLTableRowElement::create(document());
      if (numRows == index || index == -1)
          appendChild(row, exceptionState);
      else
          insertBefore(row, children->item(index), exceptionState);
      return row.release();
  }
  
  void HTMLTableSectionElement::deleteRow(int index, ExceptionState& exceptionState)
  {
      RefPtrWillBeRawPtr<HTMLCollection> children = rows();
      int numRows = children ? (int)children->length() : 0;
      if (index == -1)
          index = numRows - 1;
      if (index >= 0 && index < numRows) {
          RefPtrWillBeRawPtr<Element> row = children->item(index);
          HTMLElement::removeChild(row.get(), exceptionState);
      } else {
          exceptionState.throwDOMException(IndexSizeError, "The provided index (" + String::number(index) + " is outside the range [-1, " + String::number(numRows) + "].");
      }
  }
  
  PassRefPtrWillBeRawPtr<HTMLCollection> HTMLTableSectionElement::rows()
  {
      return ensureCachedCollection<HTMLCollection>(TSectionRows);
  }
  
  }
  