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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/HTMLTableColElement.h"
#include "mozilla/dom/HTMLTableColElementBinding.h"
#include "nsMappedAttributes.h"
#include "nsAttrValueInlines.h"
#include "mozilla/MappedDeclarations.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(TableCol)
namespace mozilla::dom {
// use the same protection as ancient code did
// http://lxr.mozilla.org/classic/source/lib/layout/laytable.c#46
#define MAX_COLSPAN 1000
HTMLTableColElement::~HTMLTableColElement() = default;
JSObject* HTMLTableColElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return HTMLTableColElement_Binding::Wrap(aCx, this, aGivenProto);
}
NS_IMPL_ELEMENT_CLONE(HTMLTableColElement)
bool HTMLTableColElement::ParseAttribute(int32_t aNamespaceID,
nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) {
if (aNamespaceID == kNameSpaceID_None) {
/* ignore these attributes, stored simply as strings ch */
if (aAttribute == nsGkAtoms::span) {
/* protection from unrealistic large colspan values */
aResult.ParseClampedNonNegativeInt(aValue, 1, 1, MAX_COLSPAN);
return true;
}
if (aAttribute == nsGkAtoms::width) {
// Spec says to use ParseNonzeroHTMLDimension, but Chrome and Safari both
// allow 0, and we did all along too, so keep that behavior. See
// https://github.com/whatwg/html/issues/4717
return aResult.ParseHTMLDimension(aValue);
}
if (aAttribute == nsGkAtoms::align) {
return ParseTableCellHAlignValue(aValue, aResult);
}
if (aAttribute == nsGkAtoms::valign) {
return ParseTableVAlignValue(aValue, aResult);
}
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aMaybeScriptedPrincipal, aResult);
}
void HTMLTableColElement::MapAttributesIntoRule(
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
if (!aDecls.PropertyIsSet(eCSSProperty__x_span)) {
// span: int
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::span);
if (value && value->Type() == nsAttrValue::eInteger) {
int32_t val = value->GetIntegerValue();
// Note: Do NOT use this code for table cells! The value "0"
// means something special for colspan and rowspan, but for <col
// span> and <colgroup span> it's just disallowed.
if (val > 0) {
aDecls.SetIntValue(eCSSProperty__x_span, value->GetIntegerValue());
}
}
}
nsGenericHTMLElement::MapWidthAttributeInto(aAttributes, aDecls);
nsGenericHTMLElement::MapDivAlignAttributeInto(aAttributes, aDecls);
nsGenericHTMLElement::MapVAlignAttributeInto(aAttributes, aDecls);
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aDecls);
}
NS_IMETHODIMP_(bool)
HTMLTableColElement::IsAttributeMapped(const nsAtom* aAttribute) const {
static const MappedAttributeEntry attributes[] = {{nsGkAtoms::width},
{nsGkAtoms::align},
{nsGkAtoms::valign},
{nsGkAtoms::span},
{nullptr}};
static const MappedAttributeEntry* const map[] = {
attributes,
sCommonAttributeMap,
};
return FindAttributeDependence(aAttribute, map);
}
nsMapRuleToAttributesFunc HTMLTableColElement::GetAttributeMappingFunction()
const {
return &MapAttributesIntoRule;
}
} // namespace mozilla::dom
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