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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/longhands/grid_auto_flow.h"
#include "third_party/blink/renderer/core/css/css_identifier_value.h"
#include "third_party/blink/renderer/core/css/css_value_list.h"
#include "third_party/blink/renderer/core/css/parser/css_property_parser_helpers.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
namespace blink {
namespace CSSLonghand {
const CSSValue* GridAutoFlow::ParseSingleValue(
CSSParserTokenRange& range,
const CSSParserContext& context,
const CSSParserLocalContext&) const {
CSSIdentifierValue* row_or_column_value =
CSSPropertyParserHelpers::ConsumeIdent<CSSValueRow, CSSValueColumn>(
range);
CSSIdentifierValue* dense_algorithm =
CSSPropertyParserHelpers::ConsumeIdent<CSSValueDense>(range);
if (!row_or_column_value) {
row_or_column_value =
CSSPropertyParserHelpers::ConsumeIdent<CSSValueRow, CSSValueColumn>(
range);
if (!row_or_column_value && !dense_algorithm)
return nullptr;
}
CSSValueList* parsed_values = CSSValueList::CreateSpaceSeparated();
if (row_or_column_value)
parsed_values->Append(*row_or_column_value);
if (dense_algorithm)
parsed_values->Append(*dense_algorithm);
return parsed_values;
}
const CSSValue* GridAutoFlow::CSSValueFromComputedStyleInternal(
const ComputedStyle& style,
const SVGComputedStyle&,
const LayoutObject*,
Node* styled_node,
bool allow_visited_style) const {
CSSValueList* list = CSSValueList::CreateSpaceSeparated();
switch (style.GetGridAutoFlow()) {
case kAutoFlowRow:
case kAutoFlowRowDense:
list->Append(*CSSIdentifierValue::Create(CSSValueRow));
break;
case kAutoFlowColumn:
case kAutoFlowColumnDense:
list->Append(*CSSIdentifierValue::Create(CSSValueColumn));
break;
default:
NOTREACHED();
}
switch (style.GetGridAutoFlow()) {
case kAutoFlowRowDense:
case kAutoFlowColumnDense:
list->Append(*CSSIdentifierValue::Create(CSSValueDense));
break;
default:
// Do nothing.
break;
}
return list;
}
} // namespace CSSLonghand
} // namespace blink
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