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LibWeb: Use new parse_length() in filter parsing

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Sam Atkins 2023-12-28 17:48:11 +00:00 • committed by Andreas Kling
parent e0875b99cc
commit 0811a39392
1 changed files with 16 additions and 16 deletions
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32
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -3950,36 +3950,35 @@ RefPtr<StyleValue> Parser::parse_filter_value_list_value(TokenStream<ComponentVa
// blur( <length>? )
if (!tokens.has_next_token())
return Filter::Blur {};
auto blur_radius = parse_length(tokens.next_token());
auto blur_radius = parse_length(tokens);
tokens.skip_whitespace();
if (!blur_radius.has_value())
return {};
return if_no_more_tokens_return(Filter::Blur { *blur_radius });
// FIXME: Support calculated radius
return if_no_more_tokens_return(Filter::Blur { blur_radius->value() });
} else if (filter_token == FilterToken::DropShadow) {
if (!tokens.has_next_token())
return {};
auto next_token = [&]() -> auto& {
auto& token = tokens.next_token();
tokens.skip_whitespace();
return token;
};
// drop-shadow( [ <color>? && <length>{2,3} ] )
// Note: The following code is a little awkward to allow the color to be before or after the lengths.
auto& first_param = next_token();
Optional<Length> maybe_radius = {};
auto maybe_color = parse_color(first_param);
auto x_offset = parse_length(maybe_color.has_value() ? next_token() : first_param);
Optional<LengthOrCalculated> maybe_radius = {};
auto maybe_color = parse_color(tokens.peek_token());
if (maybe_color.has_value())
(void)tokens.next_token();
auto x_offset = parse_length(tokens);
tokens.skip_whitespace();
if (!x_offset.has_value() || !tokens.has_next_token()) {
return {};
}
auto y_offset = parse_length(next_token());
auto y_offset = parse_length(tokens);
if (!y_offset.has_value()) {
return {};
}
if (tokens.has_next_token()) {
auto& token = next_token();
maybe_radius = parse_length(token);
maybe_radius = parse_length(tokens);
if (!maybe_color.has_value() && (!maybe_radius.has_value() || tokens.has_next_token())) {
maybe_color = parse_color(!maybe_radius.has_value() ? token : next_token());
maybe_color = parse_color(tokens.next_token());
tokens.skip_whitespace();
if (!maybe_color.has_value()) {
return {};
}
@ -3987,7 +3986,8 @@ RefPtr<StyleValue> Parser::parse_filter_value_list_value(TokenStream<ComponentVa
return {};
}
}
return if_no_more_tokens_return(Filter::DropShadow { *x_offset, *y_offset, maybe_radius, maybe_color });
// FIXME: Support calculated offsets and radius
return if_no_more_tokens_return(Filter::DropShadow { x_offset->value(), y_offset->value(), maybe_radius.map([](auto& it) { return it.value(); }), maybe_color });
} else if (filter_token == FilterToken::HueRotate) {
// hue-rotate( [ <angle> | <zero> ]? )
if (!tokens.has_next_token())