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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/css/properties/shorthands/grid_column.h"

#include "third_party/blink/renderer/core/css/parser/css_parser_context.h"
#include "third_party/blink/renderer/core/css/parser/css_property_parser_helpers.h"
#include "third_party/blink/renderer/core/css/properties/computed_style_utils.h"
#include "third_party/blink/renderer/core/css/properties/css_parsing_utils.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/core/style_property_shorthand.h"

namespace blink {
namespace CSSShorthand {

bool GridColumn::ParseShorthand(
    bool important,
    CSSParserTokenRange& range,
    const CSSParserContext&,
    const CSSParserLocalContext&,
    HeapVector<CSSPropertyValue, 256>& properties) const {
  const StylePropertyShorthand& shorthand =
      shorthandForProperty(CSSPropertyGridColumn);
  DCHECK_EQ(shorthand.length(), 2u);

  CSSValue* start_value = nullptr;
  CSSValue* end_value = nullptr;
  if (!CSSParsingUtils::ConsumeGridItemPositionShorthand(
          important, range, start_value, end_value)) {
    return false;
  }

  CSSPropertyParserHelpers::AddProperty(
      shorthand.properties()[0]->PropertyID(), CSSPropertyGridColumn,
      *start_value, important,
      CSSPropertyParserHelpers::IsImplicitProperty::kNotImplicit, properties);
  CSSPropertyParserHelpers::AddProperty(
      shorthand.properties()[1]->PropertyID(), CSSPropertyGridColumn,
      *end_value, important,
      CSSPropertyParserHelpers::IsImplicitProperty::kNotImplicit, properties);

  return true;
}

const CSSValue* GridColumn::CSSValueFromComputedStyleInternal(
    const ComputedStyle& style,
    const SVGComputedStyle&,
    const LayoutObject* layout_object,
    Node* styled_node,
    bool allow_visited_style) const {
  return ComputedStyleUtils::ValuesForGridShorthand(
      gridColumnShorthand(), style, layout_object, styled_node,
      allow_visited_style);
}

}  // namespace CSSShorthand
}  // namespace blink