/* -*- 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 {

namespace 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()

{

}

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::charoff) {

      return aResult.ParseSpecialIntValue(aValue);

    }

    if (aAttribute == nsGkAtoms::span) {

      /* protection from unrealistic large colspan values */

      aResult.ParseClampedNonNegativeInt(aValue, 1, 1, MAX_COLSPAN);

      return true;

    }

    if (aAttribute == nsGkAtoms::width) {

      return aResult.ParseSpecialIntValue(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 dom

} // namespace mozilla