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LibWeb: Introduce and use ComponentValue::is_delim() helper

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`foo.is(Token::Type::Delim) && foo.token().delim() == '!'` becomes
`foo.is_delim('!')`, which is a lot less verbose. I really should have
done this ages ago.
This commit is contained in:
Sam Atkins 2023-06-06 14:28:42 +01:00 • committed by Andreas Kling
parent bf242efd1d
commit 57a247530c
2 changed files with 24 additions and 31 deletions
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54
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
View file

@ -306,7 +306,7 @@ Optional<Selector::Combinator> Parser::parse_selector_combinator(TokenStream<Com
if (next.is(Token::Type::EndOfFile))
return {};
if (next.is(Token::Type::Delim) && next.token().delim() == '|') {
if (next.is_delim('|')) {
tokens.next_token();
return Selector::Combinator::Column;
}
@ -369,7 +369,7 @@ Parser::ParseErrorOr<Selector::SimpleSelector> Parser::parse_attribute_simple_se
}
auto const& delim_second_part = attribute_tokens.next_token();
if (!(delim_second_part.is(Token::Type::Delim) && delim_second_part.token().delim() == '=')) {
if (!delim_second_part.is_delim('=')) {
dbgln_if(CSS_PARSER_DEBUG, "Expected a double delim for attribute comparison, got: '{}{}'", delim_part.to_debug_string(), delim_second_part.to_debug_string());
return ParseError::SyntaxError;
}
@ -1055,7 +1055,7 @@ Optional<MediaFeature> Parser::parse_media_feature(TokenStream<ComponentValue>&
}
if (first_delim == '<') {
auto& second = tokens.peek_token();
if (second.is(Token::Type::Delim) && second.token().delim() == '=') {
if (second.is_delim('=')) {
tokens.next_token();
transaction.commit();
return MediaFeature::Comparison::LessThanOrEqual;
@ -1065,7 +1065,7 @@ Optional<MediaFeature> Parser::parse_media_feature(TokenStream<ComponentValue>&
}
if (first_delim == '>') {
auto& second = tokens.peek_token();
if (second.is(Token::Type::Delim) && second.token().delim() == '=') {
if (second.is_delim('=')) {
tokens.next_token();
transaction.commit();
return MediaFeature::Comparison::GreaterThanOrEqual;
@ -1754,7 +1754,7 @@ Vector<DeclarationOrAtRule> Parser::consume_a_style_blocks_contents(TokenStream<
}
// <delim-token> with a value of "&" (U+0026 AMPERSAND)
if (token.is(Token::Type::Delim) && token.token().delim() == '&') {
if (token.is_delim('&')) {
// Reconsume the current input token.
tokens.reconsume_current_input_token();
@ -1983,7 +1983,7 @@ Optional<Declaration> Parser::consume_a_declaration(TokenStream<T>& tokens)
Optional<size_t> bang_index;
for (size_t i = important_index.value() - 1; i > 0; i--) {
auto value = declaration_values[i];
if (value.is(Token::Type::Delim) && value.token().delim() == '!') {
if (value.is_delim('!')) {
bang_index = i;
break;
}
@ -3681,7 +3681,7 @@ Optional<Ratio> Parser::parse_ratio(TokenStream<ComponentValue>& tokens)
auto solidus = tokens.next_token();
tokens.skip_whitespace();
auto second_number = tokens.next_token();
if (solidus.is(Token::Type::Delim) && solidus.token().delim() == '/'
if (solidus.is_delim('/')
&& second_number.is(Token::Type::Number) && second_number.token().number_value() > 0) {
// Two-value ratio
two_value_transaction.commit();
@ -3715,10 +3715,6 @@ Optional<UnicodeRange> Parser::parse_unicode_range(TokenStream<ComponentValue>&
// 2. Then, parse that string according to the spec algorithm.
// Step 2 is performed by calling the other parse_unicode_range() overload.
auto is_question_mark = [](ComponentValue const& component_value) {
return component_value.is(Token::Type::Delim) && component_value.token().delim() == '?';
};
auto is_ending_token = [](ComponentValue const& component_value) {
return component_value.is(Token::Type::EndOfFile)
|| component_value.is(Token::Type::Comma)
@ -3746,15 +3742,15 @@ Optional<UnicodeRange> Parser::parse_unicode_range(TokenStream<ComponentValue>&
// u '+' <ident-token> '?'* |
// u '+' '?'+
if (second_token.is(Token::Type::Delim) && second_token.token().delim() == '+') {
if (second_token.is_delim('+')) {
auto local_transaction = tokens.begin_transaction();
StringBuilder string_builder;
string_builder.append(second_token.token().representation());
auto const& third_token = tokens.next_token();
if (third_token.is(Token::Type::Ident) || is_question_mark(third_token)) {
if (third_token.is(Token::Type::Ident) || third_token.is_delim('?')) {
string_builder.append(third_token.token().representation());
while (is_question_mark(tokens.peek_token()))
while (tokens.peek_token().is_delim('?'))
string_builder.append(tokens.next_token().token().representation());
if (is_ending_token(tokens.peek_token()))
return create_unicode_range(string_builder.string_view(), local_transaction);
@ -3766,7 +3762,7 @@ Optional<UnicodeRange> Parser::parse_unicode_range(TokenStream<ComponentValue>&
auto local_transaction = tokens.begin_transaction();
StringBuilder string_builder;
string_builder.append(second_token.token().representation());
while (is_question_mark(tokens.peek_token()))
while (tokens.peek_token().is_delim('?'))
string_builder.append(tokens.next_token().token().representation());
if (is_ending_token(tokens.peek_token()))
return create_unicode_range(string_builder.string_view(), local_transaction);
@ -3784,9 +3780,9 @@ Optional<UnicodeRange> Parser::parse_unicode_range(TokenStream<ComponentValue>&
return create_unicode_range(string_builder.string_view(), local_transaction);
auto const& third_token = tokens.next_token();
if (is_question_mark(third_token)) {
if (third_token.is_delim('?')) {
string_builder.append(third_token.token().representation());
while (is_question_mark(tokens.peek_token()))
while (tokens.peek_token().is_delim('?'))
string_builder.append(tokens.next_token().token().representation());
if (is_ending_token(tokens.peek_token()))
return create_unicode_range(string_builder.string_view(), local_transaction);
@ -4045,7 +4041,7 @@ Optional<Color> Parser::parse_rgb_or_hsl_color(StringView function_name, Vector<
tokens.skip_whitespace();
auto const& alpha_separator = tokens.peek_token();
bool has_comma = alpha_separator.is(Token::Type::Comma);
bool has_slash = alpha_separator.is(Token::Type::Delim) && alpha_separator.token().delim() == '/';
bool has_slash = alpha_separator.is_delim('/');
if (legacy_syntax ? has_comma : has_slash) {
tokens.next_token();
@ -4582,7 +4578,7 @@ ErrorOr<RefPtr<StyleValue>> Parser::parse_background_value(Vector<ComponentValue
// Attempt to parse `/ <background-size>`
auto transaction = tokens.begin_transaction();
auto& maybe_slash = tokens.next_token();
if (maybe_slash.is(Token::Type::Delim) && maybe_slash.token().delim() == '/') {
if (maybe_slash.is_delim('/')) {
if (auto maybe_background_size = TRY(parse_single_background_size_value(tokens))) {
transaction.commit();
background_size = maybe_background_size.release_nonnull();
@ -5105,7 +5101,7 @@ ErrorOr<RefPtr<StyleValue>> Parser::parse_border_radius_shorthand_value(Vector<C
bool reading_vertical = false;
for (auto const& value : component_values) {
if (value.is(Token::Type::Delim) && value.token().delim() == '/') {
if (value.is_delim('/')) {
if (reading_vertical || horizontal_radii.is_empty())
return nullptr;
@ -5278,7 +5274,7 @@ ErrorOr<RefPtr<StyleValue>> Parser::parse_content_value(Vector<ComponentValue> c
auto tokens = TokenStream { component_values };
while (tokens.has_next_token()) {
auto& next = tokens.peek_token();
if (next.is(Token::Type::Delim) && next.token().delim() == '/') {
if (next.is_delim('/')) {
if (in_alt_text || content_values.is_empty())
return nullptr;
in_alt_text = true;
@ -5836,8 +5832,7 @@ ErrorOr<RefPtr<StyleValue>> Parser::parse_font_value(Vector<ComponentValue> cons
font_size = value.release_nonnull();
// Consume `/ line-height` if present
auto maybe_solidus = tokens.peek_token();
if (maybe_solidus.is(Token::Type::Delim) && maybe_solidus.token().delim() == '/') {
if (tokens.peek_token().is_delim('/')) {
(void)tokens.next_token();
auto maybe_line_height = TRY(parse_css_value_for_property(PropertyID::LineHeight, tokens));
if (!maybe_line_height)
@ -7078,7 +7073,7 @@ ErrorOr<RefPtr<StyleValue>> Parser::parse_grid_track_size_list_shorthand_value(V
int forward_slash_index = -1;
for (size_t x = 0; x < component_values.size(); x++) {
if (component_values[x].is_token() && component_values[x].token().is(Token::Type::Delim) && component_values[x].token().delim() == "/"sv) {
if (component_values[x].is_delim('/')) {
forward_slash_index = x;
break;
}
@ -7777,9 +7772,6 @@ Optional<Selector::SimpleSelector::ANPlusBPattern> Parser::parse_a_n_plus_b_patt
auto is_dashndash = [](ComponentValue const& value) -> bool {
return value.is(Token::Type::Ident) && value.token().ident().equals_ignoring_ascii_case("-n-"sv);
};
auto is_delim = [](ComponentValue const& value, u32 delim) -> bool {
return value.is(Token::Type::Delim) && value.token().delim() == delim;
};
auto is_sign = [](ComponentValue const& value) -> bool {
return value.is(Token::Type::Delim) && (value.token().delim() == '+' || value.token().delim() == '-');
};
@ -7897,7 +7889,7 @@ Optional<Selector::SimpleSelector::ANPlusBPattern> Parser::parse_a_n_plus_b_patt
auto const& third_value = values.next_token();
if (is_sign(second_value) && is_signless_integer(third_value)) {
int b = third_value.token().to_integer() * (is_delim(second_value, '+') ? 1 : -1);
int b = third_value.token().to_integer() * (second_value.is_delim('+') ? 1 : -1);
child_transaction.commit();
return Selector::SimpleSelector::ANPlusBPattern { a, b };
}
@ -7963,7 +7955,7 @@ Optional<Selector::SimpleSelector::ANPlusBPattern> Parser::parse_a_n_plus_b_patt
auto const& third_value = values.next_token();
if (is_sign(second_value) && is_signless_integer(third_value)) {
int b = third_value.token().to_integer() * (is_delim(second_value, '+') ? 1 : -1);
int b = third_value.token().to_integer() * (second_value.is_delim('+') ? 1 : -1);
child_transaction.commit();
return Selector::SimpleSelector::ANPlusBPattern { -1, b };
}
@ -7994,7 +7986,7 @@ Optional<Selector::SimpleSelector::ANPlusBPattern> Parser::parse_a_n_plus_b_patt
// '+'?† <ndashdigit-ident>
// In all of these cases, the + is optional, and has no effect.
// So, we just skip the +, and carry on.
if (!is_delim(first_value, '+')) {
if (!first_value.is_delim('+')) {
values.reconsume_current_input_token();
// We do *not* skip whitespace here.
}
@ -8021,7 +8013,7 @@ Optional<Selector::SimpleSelector::ANPlusBPattern> Parser::parse_a_n_plus_b_patt
auto const& third_value = values.next_token();
if (is_sign(second_value) && is_signless_integer(third_value)) {
int b = third_value.token().to_integer() * (is_delim(second_value, '+') ? 1 : -1);
int b = third_value.token().to_integer() * (second_value.is_delim('+') ? 1 : -1);
child_transaction.commit();
return Selector::SimpleSelector::ANPlusBPattern { 1, b };
}