diff -r 000000000000 -r 4f2f89ce4247 WebCore/html/HTMLTableRowElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLTableRowElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,189 @@
+/*
+ * 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, 2007, 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 "config.h"
+#include "HTMLTableRowElement.h"
+
+#include "ExceptionCode.h"
+#include "HTMLCollection.h"
+#include "HTMLNames.h"
+#include "HTMLTableCellElement.h"
+#include "HTMLTableElement.h"
+#include "HTMLTableSectionElement.h"
+#include "NodeList.h"
+#include "Text.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLTableRowElement::HTMLTableRowElement(const QualifiedName& tagName, Document* document)
+    : HTMLTablePartElement(tagName, document)
+{
+    ASSERT(hasTagName(trTag));
+}
+
+PassRefPtr<HTMLTableRowElement> HTMLTableRowElement::create(Document* document)
+{
+    return adoptRef(new HTMLTableRowElement(trTag, document));
+}
+
+PassRefPtr<HTMLTableRowElement> HTMLTableRowElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new HTMLTableRowElement(tagName, document));
+}
+
+bool HTMLTableRowElement::checkDTD(const Node* newChild)
+{
+    if (newChild->isTextNode())
+        return static_cast<const Text*>(newChild)->containsOnlyWhitespace();
+    return newChild->hasTagName(tdTag) || newChild->hasTagName(thTag) ||
+           newChild->hasTagName(formTag) || newChild->hasTagName(scriptTag);
+}
+
+ContainerNode* HTMLTableRowElement::legacyParserAddChild(PassRefPtr<Node> child)
+{
+    if (child->hasTagName(formTag)) {
+        // First add the child.
+        HTMLTablePartElement::legacyParserAddChild(child);
+
+        // Now simply return ourselves as the container to insert into.
+        // This has the effect of demoting the form to a leaf and moving it safely out of the way.
+        return this;
+    }
+
+    return HTMLTablePartElement::legacyParserAddChild(child);
+}
+
+int HTMLTableRowElement::rowIndex() const
+{
+    Node *table = parentNode();
+    if (!table)
+        return -1;
+    table = table->parentNode();
+    if (!table || !table->hasTagName(tableTag))
+        return -1;
+
+    // To match Firefox, the row indices work like this:
+    //   Rows from the first <thead> are numbered before all <tbody> rows.
+    //   Rows from the first <tfoot> are numbered after all <tbody> rows.
+    //   Rows from other <thead> and <tfoot> elements don't get row indices at all.
+
+    int rIndex = 0;
+
+    if (HTMLTableSectionElement* head = static_cast<HTMLTableElement*>(table)->tHead()) {
+        for (Node *row = head->firstChild(); row; row = row->nextSibling()) {
+            if (row == this)
+                return rIndex;
+            if (row->hasTagName(trTag))
+                ++rIndex;
+        }
+    }
+    
+    for (Node *node = table->firstChild(); node; node = node->nextSibling()) {
+        if (node->hasTagName(tbodyTag)) {
+            HTMLTableSectionElement* section = static_cast<HTMLTableSectionElement*>(node);
+            for (Node* row = section->firstChild(); row; row = row->nextSibling()) {
+                if (row == this)
+                    return rIndex;
+                if (row->hasTagName(trTag))
+                    ++rIndex;
+            }
+        }
+    }
+
+    if (HTMLTableSectionElement* foot = static_cast<HTMLTableElement*>(table)->tFoot()) {
+        for (Node *row = foot->firstChild(); row; row = row->nextSibling()) {
+            if (row == this)
+                return rIndex;
+            if (row->hasTagName(trTag))
+                ++rIndex;
+        }
+    }
+
+    // We get here for rows that are in <thead> or <tfoot> sections other than the main header and footer.
+    return -1;
+}
+
+int HTMLTableRowElement::sectionRowIndex() const
+{
+    int rIndex = 0;
+    const Node *n = this;
+    do {
+        n = n->previousSibling();
+        if (n && n->hasTagName(trTag))
+            rIndex++;
+    }
+    while (n);
+
+    return rIndex;
+}
+
+PassRefPtr<HTMLElement> HTMLTableRowElement::insertCell(int index, ExceptionCode& ec)
+{
+    RefPtr<HTMLCollection> children = cells();
+    int numCells = children ? children->length() : 0;
+    if (index < -1 || index > numCells) {
+        ec = INDEX_SIZE_ERR;
+        return 0;
+    }
+
+    RefPtr<HTMLTableCellElement> cell = HTMLTableCellElement::create(tdTag, document());
+    if (index < 0 || index >= numCells)
+        appendChild(cell, ec);
+    else {
+        Node* n;
+        if (index < 1)
+            n = firstChild();
+        else
+            n = children->item(index);
+        insertBefore(cell, n, ec);
+    }
+    return cell.release();
+}
+
+void HTMLTableRowElement::deleteCell(int index, ExceptionCode& ec)
+{
+    RefPtr<HTMLCollection> children = cells();
+    int numCells = children ? children->length() : 0;
+    if (index == -1)
+        index = numCells-1;
+    if (index >= 0 && index < numCells) {
+        RefPtr<Node> cell = children->item(index);
+        HTMLElement::removeChild(cell.get(), ec);
+    } else
+        ec = INDEX_SIZE_ERR;
+}
+
+PassRefPtr<HTMLCollection> HTMLTableRowElement::cells()
+{
+    return HTMLCollection::create(this, TRCells);
+}
+
+void HTMLTableRowElement::setCells(HTMLCollection*, ExceptionCode& ec)
+{
+    ec = NO_MODIFICATION_ALLOWED_ERR;
+}
+
+}