зеркало из https://github.com/mozilla/gecko-dev.git
547 строки
13 KiB
C++
547 строки
13 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/HTMLTableCellElement.h"
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#include "mozilla/dom/HTMLTableElement.h"
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#include "mozilla/dom/HTMLTableRowElement.h"
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#include "nsMappedAttributes.h"
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#include "nsAttrValueInlines.h"
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#include "nsRuleData.h"
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#include "nsRuleWalker.h"
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#include "celldata.h"
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#include "mozilla/dom/HTMLTableCellElementBinding.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(TableCell)
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namespace mozilla {
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namespace dom {
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HTMLTableCellElement::~HTMLTableCellElement()
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{
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}
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JSObject*
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HTMLTableCellElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLTableCellElementBinding::Wrap(aCx, this, aGivenProto);
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}
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NS_IMPL_ISUPPORTS_INHERITED(HTMLTableCellElement, nsGenericHTMLElement,
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nsIDOMHTMLTableCellElement)
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NS_IMPL_ELEMENT_CLONE(HTMLTableCellElement)
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// protected method
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HTMLTableRowElement*
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HTMLTableCellElement::GetRow() const
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{
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return HTMLTableRowElement::FromContentOrNull(GetParent());
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}
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// protected method
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HTMLTableElement*
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HTMLTableCellElement::GetTable() const
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{
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nsIContent *parent = GetParent();
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if (!parent) {
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return nullptr;
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}
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// parent should be a row.
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nsIContent* section = parent->GetParent();
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if (!section) {
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return nullptr;
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}
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if (section->IsHTMLElement(nsGkAtoms::table)) {
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// XHTML, without a row group.
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return static_cast<HTMLTableElement*>(section);
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}
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// We have a row group.
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nsIContent* result = section->GetParent();
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if (result && result->IsHTMLElement(nsGkAtoms::table)) {
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return static_cast<HTMLTableElement*>(result);
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}
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return nullptr;
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}
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int32_t
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HTMLTableCellElement::CellIndex() const
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{
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HTMLTableRowElement* row = GetRow();
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if (!row) {
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return -1;
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}
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nsIHTMLCollection* cells = row->Cells();
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if (!cells) {
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return -1;
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}
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uint32_t numCells = cells->Length();
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for (uint32_t i = 0; i < numCells; i++) {
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if (cells->Item(i) == this) {
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return i;
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}
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}
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return -1;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetCellIndex(int32_t* aCellIndex)
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{
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*aCellIndex = CellIndex();
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::WalkContentStyleRules(nsRuleWalker* aRuleWalker)
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{
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nsresult rv = nsGenericHTMLElement::WalkContentStyleRules(aRuleWalker);
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NS_ENSURE_SUCCESS(rv, rv);
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if (HTMLTableElement* table = GetTable()) {
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nsMappedAttributes* tableInheritedAttributes =
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table->GetAttributesMappedForCell();
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if (tableInheritedAttributes) {
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aRuleWalker->Forward(tableInheritedAttributes);
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetAbbr(const nsAString& aAbbr)
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{
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ErrorResult rv;
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SetAbbr(aAbbr, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetAbbr(nsAString& aAbbr)
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{
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DOMString abbr;
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GetAbbr(abbr);
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abbr.ToString(aAbbr);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetAxis(const nsAString& aAxis)
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{
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ErrorResult rv;
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SetAxis(aAxis, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetAxis(nsAString& aAxis)
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{
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DOMString axis;
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GetAxis(axis);
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axis.ToString(aAxis);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetAlign(const nsAString& aAlign)
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{
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ErrorResult rv;
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SetAlign(aAlign, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetAlign(nsAString& aAlign)
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{
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DOMString align;
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GetAlign(align);
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align.ToString(aAlign);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetVAlign(const nsAString& aVAlign)
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{
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ErrorResult rv;
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SetVAlign(aVAlign, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetVAlign(nsAString& aVAlign)
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{
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DOMString vAlign;
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GetVAlign(vAlign);
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vAlign.ToString(aVAlign);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetCh(const nsAString& aCh)
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{
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ErrorResult rv;
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SetCh(aCh, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetCh(nsAString& aCh)
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{
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DOMString ch;
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GetCh(ch);
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ch.ToString(aCh);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetChOff(const nsAString& aChOff)
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{
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ErrorResult rv;
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SetChOff(aChOff, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetChOff(nsAString& aChOff)
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{
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DOMString chOff;
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GetChOff(chOff);
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chOff.ToString(aChOff);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetBgColor(const nsAString& aBgColor)
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{
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ErrorResult rv;
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SetBgColor(aBgColor, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetBgColor(nsAString& aBgColor)
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{
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DOMString bgColor;
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GetBgColor(bgColor);
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bgColor.ToString(aBgColor);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetHeight(const nsAString& aHeight)
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{
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ErrorResult rv;
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SetHeight(aHeight, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetHeight(nsAString& aHeight)
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{
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DOMString height;
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GetHeight(height);
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height.ToString(aHeight);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetWidth(const nsAString& aWidth)
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{
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ErrorResult rv;
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SetWidth(aWidth, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetWidth(nsAString& aWidth)
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{
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DOMString width;
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GetWidth(width);
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width.ToString(aWidth);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetNoWrap(bool aNoWrap)
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{
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ErrorResult rv;
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SetNoWrap(aNoWrap, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetNoWrap(bool* aNoWrap)
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{
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*aNoWrap = NoWrap();
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetScope(const nsAString& aScope)
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{
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ErrorResult rv;
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SetScope(aScope, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetScope(nsAString& aScope)
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{
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DOMString scope;
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GetScope(scope);
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scope.ToString(aScope);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetHeaders(const nsAString& aHeaders)
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{
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ErrorResult rv;
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SetHeaders(aHeaders, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetHeaders(nsAString& aHeaders)
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{
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DOMString headers;
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GetHeaders(headers);
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headers.ToString(aHeaders);
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetColSpan(int32_t aColSpan)
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{
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ErrorResult rv;
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SetColSpan(aColSpan, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetColSpan(int32_t* aColSpan)
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{
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*aColSpan = ColSpan();
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLTableCellElement::SetRowSpan(int32_t aRowSpan)
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{
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ErrorResult rv;
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SetRowSpan(aRowSpan, rv);
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return rv.StealNSResult();
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}
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NS_IMETHODIMP
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HTMLTableCellElement::GetRowSpan(int32_t* aRowSpan)
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{
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*aRowSpan = RowSpan();
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return NS_OK;
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}
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void
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HTMLTableCellElement::GetAlign(DOMString& aValue)
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{
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if (!GetAttr(kNameSpaceID_None, nsGkAtoms::align, aValue)) {
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// There's no align attribute, ask the row for the alignment.
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HTMLTableRowElement* row = GetRow();
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if (row) {
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row->GetAlign(aValue);
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}
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}
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}
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static const nsAttrValue::EnumTable kCellScopeTable[] = {
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{ "row", NS_STYLE_CELL_SCOPE_ROW },
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{ "col", NS_STYLE_CELL_SCOPE_COL },
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{ "rowgroup", NS_STYLE_CELL_SCOPE_ROWGROUP },
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{ "colgroup", NS_STYLE_CELL_SCOPE_COLGROUP },
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{ 0 }
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};
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bool
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HTMLTableCellElement::ParseAttribute(int32_t aNamespaceID,
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nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult)
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{
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if (aNamespaceID == kNameSpaceID_None) {
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/* ignore these attributes, stored simply as strings
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abbr, axis, ch, headers
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*/
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if (aAttribute == nsGkAtoms::charoff) {
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/* attributes that resolve to integers with a min of 0 */
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return aResult.ParseIntWithBounds(aValue, 0);
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}
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if (aAttribute == nsGkAtoms::colspan) {
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bool res = aResult.ParseIntWithBounds(aValue, -1);
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if (res) {
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int32_t val = aResult.GetIntegerValue();
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// reset large colspan values as IE and opera do
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if (val > MAX_COLSPAN || val <= 0) {
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aResult.SetTo(1, &aValue);
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}
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}
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return res;
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}
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if (aAttribute == nsGkAtoms::rowspan) {
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bool res = aResult.ParseIntWithBounds(aValue, -1, MAX_ROWSPAN);
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if (res) {
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int32_t val = aResult.GetIntegerValue();
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// quirks mode does not honor the special html 4 value of 0
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if (val < 0 || (0 == val && InNavQuirksMode(OwnerDoc()))) {
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aResult.SetTo(1, &aValue);
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}
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}
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return res;
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}
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if (aAttribute == nsGkAtoms::height) {
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return aResult.ParseSpecialIntValue(aValue);
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}
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if (aAttribute == nsGkAtoms::width) {
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return aResult.ParseSpecialIntValue(aValue);
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}
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if (aAttribute == nsGkAtoms::align) {
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return ParseTableCellHAlignValue(aValue, aResult);
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}
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if (aAttribute == nsGkAtoms::bgcolor) {
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return aResult.ParseColor(aValue);
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}
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if (aAttribute == nsGkAtoms::scope) {
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return aResult.ParseEnumValue(aValue, kCellScopeTable, false);
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}
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if (aAttribute == nsGkAtoms::valign) {
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return ParseTableVAlignValue(aValue, aResult);
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}
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}
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return nsGenericHTMLElement::ParseBackgroundAttribute(aNamespaceID,
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aAttribute, aValue,
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aResult) ||
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nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
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aResult);
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}
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void
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HTMLTableCellElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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nsRuleData* aData)
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{
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if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Position)) {
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// width: value
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nsCSSValue* width = aData->ValueForWidth();
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if (width->GetUnit() == eCSSUnit_Null) {
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::width);
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if (value && value->Type() == nsAttrValue::eInteger) {
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if (value->GetIntegerValue() > 0)
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width->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Pixel);
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// else 0 implies auto for compatibility.
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}
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else if (value && value->Type() == nsAttrValue::ePercent) {
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if (value->GetPercentValue() > 0.0f)
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width->SetPercentValue(value->GetPercentValue());
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// else 0 implies auto for compatibility
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}
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}
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// height: value
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nsCSSValue* height = aData->ValueForHeight();
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if (height->GetUnit() == eCSSUnit_Null) {
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::height);
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if (value && value->Type() == nsAttrValue::eInteger) {
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if (value->GetIntegerValue() > 0)
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height->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Pixel);
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// else 0 implies auto for compatibility.
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}
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else if (value && value->Type() == nsAttrValue::ePercent) {
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if (value->GetPercentValue() > 0.0f)
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height->SetPercentValue(value->GetPercentValue());
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// else 0 implies auto for compatibility
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}
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}
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}
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if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Text)) {
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nsCSSValue* textAlign = aData->ValueForTextAlign();
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if (textAlign->GetUnit() == eCSSUnit_Null) {
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// align: enum
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::align);
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if (value && value->Type() == nsAttrValue::eEnum)
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textAlign->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
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}
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nsCSSValue* whiteSpace = aData->ValueForWhiteSpace();
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if (whiteSpace->GetUnit() == eCSSUnit_Null) {
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// nowrap: enum
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if (aAttributes->GetAttr(nsGkAtoms::nowrap)) {
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// See if our width is not a nonzero integer width.
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::width);
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nsCompatibility mode = aData->mPresContext->CompatibilityMode();
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if (!value || value->Type() != nsAttrValue::eInteger ||
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value->GetIntegerValue() == 0 ||
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eCompatibility_NavQuirks != mode) {
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whiteSpace->SetIntValue(NS_STYLE_WHITESPACE_NOWRAP, eCSSUnit_Enumerated);
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}
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}
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}
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}
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if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Display)) {
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nsCSSValue* verticalAlign = aData->ValueForVerticalAlign();
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if (verticalAlign->GetUnit() == eCSSUnit_Null) {
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// valign: enum
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::valign);
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if (value && value->Type() == nsAttrValue::eEnum)
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verticalAlign->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
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}
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}
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nsGenericHTMLElement::MapBackgroundAttributesInto(aAttributes, aData);
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
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}
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NS_IMETHODIMP_(bool)
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HTMLTableCellElement::IsAttributeMapped(const nsIAtom* aAttribute) const
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{
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static const MappedAttributeEntry attributes[] = {
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{ &nsGkAtoms::align },
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{ &nsGkAtoms::valign },
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{ &nsGkAtoms::nowrap },
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#if 0
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// XXXldb If these are implemented, they might need to move to
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// GetAttributeChangeHint (depending on how, and preferably not).
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{ &nsGkAtoms::abbr },
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{ &nsGkAtoms::axis },
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{ &nsGkAtoms::headers },
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{ &nsGkAtoms::scope },
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#endif
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{ &nsGkAtoms::width },
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{ &nsGkAtoms::height },
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{ nullptr }
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};
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static const MappedAttributeEntry* const map[] = {
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attributes,
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sCommonAttributeMap,
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sBackgroundAttributeMap,
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};
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return FindAttributeDependence(aAttribute, map);
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}
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nsMapRuleToAttributesFunc
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HTMLTableCellElement::GetAttributeMappingFunction() const
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{
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return &MapAttributesIntoRule;
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}
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} // namespace dom
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} // namespace mozilla
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