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-rw-r--r--dom/html/HTMLTableColElement.cpp103
1 files changed, 103 insertions, 0 deletions
diff --git a/dom/html/HTMLTableColElement.cpp b/dom/html/HTMLTableColElement.cpp
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+++ b/dom/html/HTMLTableColElement.cpp
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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