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https://github.com/LadybirdBrowser/ladybird.git
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795222fab3
Move grid area rectangle computation and validation from layout to the CSS parser. Named grid areas that don't form filled-in rectangles now correctly invalidate the declaration per spec.
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
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* Copyright (c) 2021-2024, Sam Atkins <sam@ladybird.org>
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* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "GridTemplateAreaStyleValue.h"
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#include <LibWeb/CSS/Serialize.h>
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namespace Web::CSS {
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ValueComparingNonnullRefPtr<GridTemplateAreaStyleValue const> GridTemplateAreaStyleValue::create(HashMap<String, GridArea> grid_areas, size_t row_count, size_t column_count)
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{
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return adopt_ref(*new (nothrow) GridTemplateAreaStyleValue(move(grid_areas), row_count, column_count));
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}
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String GridTemplateAreaStyleValue::cell_name_at(size_t row, size_t column) const
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{
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for (auto const& [name, area] : m_grid_areas) {
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if (row >= area.row_start && row < area.row_end && column >= area.column_start && column < area.column_end)
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return name;
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}
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return "."_string;
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}
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void GridTemplateAreaStyleValue::serialize(StringBuilder& builder, SerializationMode) const
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{
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if (m_row_count == 0) {
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builder.append("none"sv);
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return;
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}
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for (size_t y = 0; y < m_row_count; ++y) {
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if (y != 0)
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builder.append(' ');
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StringBuilder row_builder;
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for (size_t x = 0; x < m_column_count; ++x) {
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if (x != 0)
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row_builder.append(' ');
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row_builder.append(cell_name_at(y, x));
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}
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serialize_a_string(builder, row_builder.string_view());
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}
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}
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}
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