summaryrefslogtreecommitdiff
path: root/Userland/Libraries/LibWeb/CSS/Parser
diff options
context:
space:
mode:
Diffstat (limited to 'Userland/Libraries/LibWeb/CSS/Parser')
-rw-r--r--Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp85
-rw-r--r--Userland/Libraries/LibWeb/CSS/Parser/Parser.h8
2 files changed, 47 insertions, 46 deletions
diff --git a/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp b/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
index 9f4e511708..77b77e5eba 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
+++ b/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
@@ -2345,6 +2345,42 @@ RefPtr<StyleValue> Parser::parse_image_value(StyleComponentValueRule const& comp
return {};
}
+template<typename ParseFunction>
+RefPtr<StyleValue> Parser::parse_comma_separated_value_list(Vector<StyleComponentValueRule> const& component_values, ParseFunction parse_one_value)
+{
+ auto tokens = TokenStream { component_values };
+ auto first = parse_one_value(tokens);
+ if (!first || !tokens.has_next_token())
+ return first;
+
+ NonnullRefPtrVector<StyleValue> values;
+ values.append(first.release_nonnull());
+
+ while (tokens.has_next_token()) {
+ if (!tokens.next_token().is(Token::Type::Comma))
+ return {};
+
+ if (auto maybe_value = parse_one_value(tokens)) {
+ values.append(maybe_value.release_nonnull());
+ continue;
+ }
+ return {};
+ }
+
+ return StyleValueList::create(move(values));
+}
+
+RefPtr<StyleValue> Parser::parse_simple_comma_separated_value_list(Vector<StyleComponentValueRule> const& component_values)
+{
+ return parse_comma_separated_value_list(component_values, [=, this](auto& tokens) -> RefPtr<StyleValue> {
+ auto& token = tokens.next_token();
+ if (auto value = parse_css_value(token); value && property_accepts_value(m_context.current_property_id(), *value))
+ return value;
+ tokens.reconsume_current_input_token();
+ return nullptr;
+ });
+}
+
RefPtr<StyleValue> Parser::parse_background_value(Vector<StyleComponentValueRule> const& component_values)
{
RefPtr<StyleValue> background_color;
@@ -2473,23 +2509,6 @@ RefPtr<StyleValue> Parser::parse_background_value(Vector<StyleComponentValueRule
background_clip.release_nonnull());
}
-RefPtr<StyleValue> Parser::parse_background_image_value(Vector<StyleComponentValueRule> const& component_values)
-{
- if (component_values.size() == 1) {
- auto maybe_value = parse_css_value(component_values.first());
- if (!maybe_value)
- return nullptr;
- auto value = maybe_value.release_nonnull();
- if (property_accepts_value(PropertyID::BackgroundImage, *value))
- return value;
- return nullptr;
- }
-
- // FIXME: Handle multiple sets of comma-separated values.
- dbgln("CSS Parser does not yet support multiple comma-separated values for background-image.");
- return nullptr;
-}
-
RefPtr<StyleValue> Parser::parse_single_background_position_value(TokenStream<StyleComponentValueRule>& tokens)
{
// NOTE: This *looks* like it parses a <position>, but it doesn't. From the spec:
@@ -2652,13 +2671,6 @@ RefPtr<StyleValue> Parser::parse_single_background_position_value(TokenStream<St
vertical->edge, vertical->offset);
}
-RefPtr<StyleValue> Parser::parse_background_position_value(Vector<StyleComponentValueRule> const& component_values)
-{
- auto tokens = TokenStream { component_values };
- // FIXME: Handle multiple sets of comma-separated values.
- return parse_single_background_position_value(tokens);
-}
-
RefPtr<StyleValue> Parser::parse_single_background_repeat_value(TokenStream<StyleComponentValueRule>& tokens)
{
auto start_position = tokens.position();
@@ -2714,13 +2726,6 @@ RefPtr<StyleValue> Parser::parse_single_background_repeat_value(TokenStream<Styl
return BackgroundRepeatStyleValue::create(as_repeat(x_value->to_identifier()), as_repeat(y_value->to_identifier()));
}
-RefPtr<StyleValue> Parser::parse_background_repeat_value(Vector<StyleComponentValueRule> const& component_values)
-{
- auto tokens = TokenStream { component_values };
- // FIXME: Handle multiple sets of comma-separated values.
- return parse_single_background_repeat_value(tokens);
-}
-
RefPtr<StyleValue> Parser::parse_single_background_size_value(TokenStream<StyleComponentValueRule>& tokens)
{
auto start_position = tokens.position();
@@ -2749,13 +2754,6 @@ RefPtr<StyleValue> Parser::parse_single_background_size_value(TokenStream<StyleC
return error();
}
-RefPtr<StyleValue> Parser::parse_background_size_value(Vector<StyleComponentValueRule> const& component_values)
-{
- auto tokens = TokenStream { component_values };
- // FIXME: Handle multiple sets of comma-separated values.
- return parse_single_background_size_value(tokens);
-}
-
RefPtr<StyleValue> Parser::parse_border_value(Vector<StyleComponentValueRule> const& component_values)
{
if (component_values.size() > 3)
@@ -3472,20 +3470,23 @@ Result<NonnullRefPtr<StyleValue>, Parser::ParsingResult> Parser::parse_css_value
if (auto parsed_value = parse_background_value(component_values))
return parsed_value.release_nonnull();
return ParsingResult::SyntaxError;
+ case PropertyID::BackgroundAttachment:
+ case PropertyID::BackgroundClip:
case PropertyID::BackgroundImage:
- if (auto parsed_value = parse_background_image_value(component_values))
+ case PropertyID::BackgroundOrigin:
+ if (auto parsed_value = parse_simple_comma_separated_value_list(component_values))
return parsed_value.release_nonnull();
return ParsingResult::SyntaxError;
case PropertyID::BackgroundPosition:
- if (auto parsed_value = parse_background_position_value(component_values))
+ if (auto parsed_value = parse_comma_separated_value_list(component_values, [this](auto& tokens) { return parse_single_background_position_value(tokens); }))
return parsed_value.release_nonnull();
return ParsingResult::SyntaxError;
case PropertyID::BackgroundRepeat:
- if (auto parsed_value = parse_background_repeat_value(component_values))
+ if (auto parsed_value = parse_comma_separated_value_list(component_values, [this](auto& tokens) { return parse_single_background_repeat_value(tokens); }))
return parsed_value.release_nonnull();
return ParsingResult::SyntaxError;
case PropertyID::BackgroundSize:
- if (auto parsed_value = parse_background_size_value(component_values))
+ if (auto parsed_value = parse_comma_separated_value_list(component_values, [this](auto& tokens) { return parse_single_background_size_value(tokens); }))
return parsed_value.release_nonnull();
return ParsingResult::SyntaxError;
case PropertyID::Border:
diff --git a/Userland/Libraries/LibWeb/CSS/Parser/Parser.h b/Userland/Libraries/LibWeb/CSS/Parser/Parser.h
index 1d2225f601..578b2e56ac 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/Parser.h
+++ b/Userland/Libraries/LibWeb/CSS/Parser/Parser.h
@@ -198,14 +198,14 @@ private:
RefPtr<StyleValue> parse_color_value(StyleComponentValueRule const&);
RefPtr<StyleValue> parse_string_value(StyleComponentValueRule const&);
RefPtr<StyleValue> parse_image_value(StyleComponentValueRule const&);
+ template<typename ParseFunction>
+ RefPtr<StyleValue> parse_comma_separated_value_list(Vector<StyleComponentValueRule> const&, ParseFunction);
+ RefPtr<StyleValue> parse_simple_comma_separated_value_list(Vector<StyleComponentValueRule> const&);
+
RefPtr<StyleValue> parse_background_value(Vector<StyleComponentValueRule> const&);
- RefPtr<StyleValue> parse_background_image_value(Vector<StyleComponentValueRule> const&);
RefPtr<StyleValue> parse_single_background_position_value(TokenStream<StyleComponentValueRule>&);
- RefPtr<StyleValue> parse_background_position_value(Vector<StyleComponentValueRule> const&);
RefPtr<StyleValue> parse_single_background_repeat_value(TokenStream<StyleComponentValueRule>&);
- RefPtr<StyleValue> parse_background_repeat_value(Vector<StyleComponentValueRule> const&);
RefPtr<StyleValue> parse_single_background_size_value(TokenStream<StyleComponentValueRule>&);
- RefPtr<StyleValue> parse_background_size_value(Vector<StyleComponentValueRule> const&);
RefPtr<StyleValue> parse_border_value(Vector<StyleComponentValueRule> const&);
RefPtr<StyleValue> parse_border_radius_value(Vector<StyleComponentValueRule> const&);
RefPtr<StyleValue> parse_border_radius_shorthand_value(Vector<StyleComponentValueRule> const&);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 22:55:43 +0000