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Last: LibWeb: Add counter() and counters() functions to content property

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These let you format counters' current values as strings for use in
generated content.
This commit is contained in:
Sam Atkins 2024-07-18 20:29:02 +01:00
commit 898e3bd898
Notes: github-actions[bot] 2024-07-26 10:05:28 +00:00
8 changed files with 553 additions and 6 deletions
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13
Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2018-2023, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2021-2024, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -12,6 +12,7 @@
#include <LibWeb/CSS/StyleValues/AngleStyleValue.h>
#include <LibWeb/CSS/StyleValues/ContentStyleValue.h>
#include <LibWeb/CSS/StyleValues/CounterDefinitionsStyleValue.h>
#include <LibWeb/CSS/StyleValues/CounterStyleValue.h>
#include <LibWeb/CSS/StyleValues/DisplayStyleValue.h>
#include <LibWeb/CSS/StyleValues/GridAutoFlowStyleValue.h>
#include <LibWeb/CSS/StyleValues/GridTemplateAreaStyleValue.h>
@ -647,7 +648,7 @@ Optional<CSS::Clear> StyleProperties::clear() const
return value_id_to_clear(value->to_identifier());
}
StyleProperties::ContentDataAndQuoteNestingLevel StyleProperties::content(u32 initial_quote_nesting_level) const
StyleProperties::ContentDataAndQuoteNestingLevel StyleProperties::content(DOM::Element& element, u32 initial_quote_nesting_level) const
{
auto value = property(CSS::PropertyID::Content);
auto quotes_data = quotes();
@ -710,8 +711,10 @@ StyleProperties::ContentDataAndQuoteNestingLevel StyleProperties::content(u32 in
dbgln("`{}` is not supported in `content` (yet?)", item->to_string());
break;
}
} else if (item->is_counter()) {
builder.append(item->as_counter().resolve(element));
} else {
// TODO: Implement counters, images, and other things.
// TODO: Implement images, and other things.
dbgln("`{}` is not supported in `content` (yet?)", item->to_string());
}
}
@ -723,8 +726,10 @@ StyleProperties::ContentDataAndQuoteNestingLevel StyleProperties::content(u32 in
for (auto const& item : content_style_value.alt_text()->values()) {
if (item->is_string()) {
alt_text_builder.append(item->as_string().string_value());
} else if (item->is_counter()) {
alt_text_builder.append(item->as_counter().resolve(element));
} else {
// TODO: Implement counters
dbgln("`{}` is not supported in `content` alt-text (yet?)", item->to_string());
}
}
content_data.alt_text = MUST(alt_text_builder.to_string());