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https://github.com/RGBCube/serenity
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LibWeb: Parse font-weight and font-style inside @font-face rules
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parent
be10360350
commit
74bdbdf43f
3 changed files with 28 additions and 4 deletions
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2022-2023, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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@ -8,8 +9,10 @@
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namespace Web::CSS {
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FontFace::FontFace(FlyString font_family, Vector<Source> sources, Vector<UnicodeRange> unicode_ranges)
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FontFace::FontFace(FlyString font_family, Optional<int> weight, Optional<int> slope, Vector<Source> sources, Vector<UnicodeRange> unicode_ranges)
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: m_font_family(move(font_family))
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, m_weight(weight)
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, m_slope(slope)
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, m_sources(move(sources))
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, m_unicode_ranges(move(unicode_ranges))
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{
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2022-2023, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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@ -20,16 +21,20 @@ public:
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Optional<FlyString> format;
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};
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FontFace(FlyString font_family, Vector<Source> sources, Vector<UnicodeRange> unicode_ranges);
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FontFace(FlyString font_family, Optional<int> weight, Optional<int> slope, Vector<Source> sources, Vector<UnicodeRange> unicode_ranges);
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~FontFace() = default;
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FlyString font_family() const { return m_font_family; }
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Optional<int> weight() const { return m_weight; }
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Optional<int> slope() const { return m_slope; }
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Vector<Source> const& sources() const { return m_sources; }
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Vector<UnicodeRange> const& unicode_ranges() const { return m_unicode_ranges; }
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// FIXME: font-style, font-weight, font-stretch, font-feature-settings
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// FIXME: font-stretch, font-feature-settings
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private:
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FlyString m_font_family;
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Optional<int> m_weight { 0 };
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Optional<int> m_slope { 0 };
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Vector<Source> m_sources;
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Vector<UnicodeRange> m_unicode_ranges;
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};
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@ -5604,6 +5604,8 @@ CSSRule* Parser::parse_font_face_rule(TokenStream<ComponentValue>& tokens)
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Optional<FlyString> font_family;
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Vector<FontFace::Source> src;
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Vector<UnicodeRange> unicode_range;
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Optional<int> weight;
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Optional<int> slope;
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for (auto& declaration_or_at_rule : declarations_and_at_rules) {
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if (declaration_or_at_rule.is_at_rule()) {
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@ -5612,6 +5614,20 @@ CSSRule* Parser::parse_font_face_rule(TokenStream<ComponentValue>& tokens)
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}
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auto const& declaration = declaration_or_at_rule.declaration();
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if (declaration.name().equals_ignoring_ascii_case("font-weight"sv)) {
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TokenStream token_stream { declaration.values() };
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if (auto value = parse_css_value(CSS::PropertyID::FontWeight, token_stream); !value.is_error()) {
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weight = value.value()->to_font_weight();
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}
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continue;
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}
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if (declaration.name().equals_ignoring_ascii_case("font-style"sv)) {
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TokenStream token_stream { declaration.values() };
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if (auto value = parse_css_value(CSS::PropertyID::FontStyle, token_stream); !value.is_error()) {
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slope = value.value()->to_font_slope();
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}
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continue;
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}
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if (declaration.name().equals_ignoring_ascii_case("font-family"sv)) {
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// FIXME: This is very similar to, but different from, the logic in parse_font_family_value().
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// Ideally they could share code.
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@ -5698,7 +5714,7 @@ CSSRule* Parser::parse_font_face_rule(TokenStream<ComponentValue>& tokens)
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unicode_range.empend(0x0u, 0x10FFFFu);
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}
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return CSSFontFaceRule::create(m_context.realm(), FontFace { font_family.release_value(), move(src), move(unicode_range) }).release_value_but_fixme_should_propagate_errors();
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return CSSFontFaceRule::create(m_context.realm(), FontFace { font_family.release_value(), weight, slope, move(src), move(unicode_range) }).release_value_but_fixme_should_propagate_errors();
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}
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Vector<FontFace::Source> Parser::parse_font_face_src(TokenStream<ComponentValue>& component_values)
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