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more pseudoclass support

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This commit is contained in:
Karl Seguin
2025-11-21 22:23:34 +08:00
parent 470f5b5029
commit 357df22fab
5 changed files with 481 additions and 33 deletions
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82
src/browser/tests/element/pseudo_classes.html Normal file
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@@ -0,0 +1,82 @@
<!DOCTYPE html>
<script src="../testing.js"></script>
<div id="container">
<p id="first">First</p>
<input type="checkbox" id="checkbox">
<span id="empty"></span>
<span id="nonempty">Content</span>
</div>
<script id="parsing">
{
const container = $('#container');
// Test that all pseudo-classes parse without throwing errors
const pseudoClasses = [
':modal', ':checked', ':disabled', ':enabled', ':indeterminate',
':valid', ':invalid', ':required', ':optional', ':in-range', ':out-of-range',
':placeholder-shown', ':read-only', ':read-write', ':default',
':hover', ':active', ':focus', ':focus-within', ':focus-visible',
':link', ':visited', ':any-link', ':target',
':root', ':empty', ':first-child', ':last-child', ':only-child',
':first-of-type', ':last-of-type', ':only-of-type',
':nth-child(2)', ':nth-last-child(2)', ':nth-of-type(2)', ':nth-last-of-type(2)',
':defined', ':not(div)', ':is(div, span)', ':where(p, a)', ':has(span)', ':lang(en)'
];
// Each querySelector should not throw an error
let allPassed = true;
for (const pseudo of pseudoClasses) {
try {
container.querySelector(pseudo);
} catch (e) {
allPassed = false;
break;
}
}
testing.expectTrue(allPassed);
}
</script>
<script id="empty">
{
const empty = document.querySelector(':empty');
testing.expectTrue(empty !== null);
}
</script>
<script id="root">
{
const html = document.querySelector(':root');
testing.expectTrue(html !== null);
}
</script>
<script id="has">
{
const result = document.querySelector(':has(span)');
testing.expectTrue(result !== null);
}
</script>
<script id="not">
{
const noDiv = document.querySelectorAll(':not(div)');
testing.expectTrue(noDiv.length > 0);
}
</script>
<script id="is">
{
const isResult = document.querySelectorAll(':is(p, span, input)');
testing.expectTrue(isResult.length >= 4);
}
</script>
<script id="where">
{
const whereResult = document.querySelectorAll(':where(p, span)');
testing.expectTrue(whereResult.length >= 3);
}
</script>

62
src/browser/tests/element/selector_invalid.html Normal file
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@@ -0,0 +1,62 @@
<!DOCTYPE html>
<script src="../testing.js"></script>
<div id="container">
<p>Test</p>
</div>
<script id="empty_functional">
{
const container = $('#container');
// Empty functional pseudo-classes should error
testing.expectError("Error: InvalidPseudoClass", () => container.querySelector(':has()'));
testing.expectError("Error: InvalidPseudoClass", () => container.querySelector(':not()'));
testing.expectError("Error: InvalidPseudoClass", () => container.querySelector(':is()'));
testing.expectError("Error: InvalidPseudoClass", () => container.querySelector(':where()'));
testing.expectError("Error: InvalidPseudoClass", () => container.querySelector(':lang()'));
}
</script>
<script id="invalid_patterns">
{
const container = $('#container');
// Invalid nth patterns
testing.expectError("Error: InvalidNthPattern", () => container.querySelector(':nth-child(foo)'));
testing.expectError("Error: InvalidNthPattern", () => container.querySelector(':nth-child(-)'));
testing.expectError("Error: InvalidNthPattern", () => container.querySelector(':nth-child(+)'));
}
</script>
<script id="unknown_pseudo">
{
const container = $('#container');
// Unknown pseudo-classes
testing.expectError("Error: UnknownPseudoClass", () => container.querySelector(':unknown'));
testing.expectError("Error: UnknownPseudoClass", () => container.querySelector(':not-a-real-pseudo'));
testing.expectError("Error: UnknownPseudoClass", () => container.querySelector(':fake(test)'));
}
</script>
<script id="empty_selector">
{
const container = $('#container');
// Empty selectors
testing.expectError("Syntax Error", () => container.querySelector(''));
testing.expectError("Syntax Error", () => document.querySelectorAll(''));
}
</script>
<script id="invalid_combinators">
{
const container = $('#container');
// Combinators with nothing after
testing.expectError("Error: InvalidSelector", () => container.querySelector('p >'));
testing.expectError("Error: InvalidSelector", () => container.querySelector('p +'));
testing.expectError("Error: InvalidSelector", () => container.querySelector('p ~'));
}
</script>

196
src/browser/webapi/selector/List.zig
View File

@@ -53,9 +53,8 @@ pub fn collect(
_ = tw.next(); _ = tw.next();
} }
const boundary = if (result.exclude_root) result.root else null;
while (tw.next()) |node| { while (tw.next()) |node| {
if (matches(node, result.selector, boundary)) { if (matches(node, result.selector, page)) {
try nodes.put(allocator, node, {}); try nodes.put(allocator, node, {});
} }
} }
@@ -71,9 +70,8 @@ pub fn initOne(root: *Node, selector: Selector.Selector, page: *Page) ?*Node {
if (result.exclude_root) { if (result.exclude_root) {
_ = tw.next(); _ = tw.next();
} }
const boundary = if (result.exclude_root) result.root else null;
while (tw.next()) |node| { while (tw.next()) |node| {
if (matches(node, optimized_selector, boundary)) { if (matches(node, optimized_selector, page)) {
return node; return node;
} }
} }
@@ -175,7 +173,7 @@ fn optimizeSelector(root: *Node, selector: *const Selector.Selector, page: *Page
.segments = selector.segments[0 .. seg_idx + 1], .segments = selector.segments[0 .. seg_idx + 1],
}; };
if (!matches(id_node, prefix_selector, null)) { if (!matches(id_node, prefix_selector, page)) {
return null; return null;
} }
@@ -250,23 +248,23 @@ fn findIdSelector(selector: *const Selector.Selector) ?IdAnchor {
return null; return null;
} }
pub fn matches(node: *Node, selector: Selector.Selector, root: ?*Node) bool { pub fn matches(node: *Node, selector: Selector.Selector, page: *Page) bool {
const el = node.is(Node.Element) orelse return false; const el = node.is(Node.Element) orelse return false;
if (selector.segments.len == 0) { if (selector.segments.len == 0) {
return matchesCompound(el, selector.first); return matchesCompound(el, selector.first, page);
} }
const last_segment = selector.segments[selector.segments.len - 1]; const last_segment = selector.segments[selector.segments.len - 1];
if (!matchesCompound(el, last_segment.compound)) { if (!matchesCompound(el, last_segment.compound, page)) {
return false; return false;
} }
return matchSegments(node, selector, selector.segments.len - 1, root); return matchSegments(node, selector, selector.segments.len - 1, null, page);
} }
// Match segments backward, with support for backtracking on subsequent_sibling // Match segments backward, with support for backtracking on subsequent_sibling
fn matchSegments(node: *Node, selector: Selector.Selector, segment_index: usize, root: ?*Node) bool { fn matchSegments(node: *Node, selector: Selector.Selector, segment_index: usize, root: ?*Node, page: *Page) bool {
const segment = selector.segments[segment_index]; const segment = selector.segments[segment_index];
const target_compound = if (segment_index == 0) const target_compound = if (segment_index == 0)
selector.first selector.first
@@ -274,9 +272,9 @@ fn matchSegments(node: *Node, selector: Selector.Selector, segment_index: usize,
selector.segments[segment_index - 1].compound; selector.segments[segment_index - 1].compound;
const matched: ?*Node = switch (segment.combinator) { const matched: ?*Node = switch (segment.combinator) {
.descendant => matchDescendant(node, target_compound, root), .descendant => matchDescendant(node, target_compound, root, page),
.child => matchChild(node, target_compound, root), .child => matchChild(node, target_compound, root, page),
.next_sibling => matchNextSibling(node, target_compound), .next_sibling => matchNextSibling(node, target_compound, page),
.subsequent_sibling => { .subsequent_sibling => {
// For subsequent_sibling, try all matching siblings with backtracking // For subsequent_sibling, try all matching siblings with backtracking
var sibling = node.previousSibling(); var sibling = node.previousSibling();
@@ -286,13 +284,13 @@ fn matchSegments(node: *Node, selector: Selector.Selector, segment_index: usize,
continue; continue;
}; };
if (matchesCompound(sibling_el, target_compound)) { if (matchesCompound(sibling_el, target_compound, page)) {
// If we're at the first segment, we found a match // If we're at the first segment, we found a match
if (segment_index == 0) { if (segment_index == 0) {
return true; return true;
} }
// Try to match remaining segments from this sibling // Try to match remaining segments from this sibling
if (matchSegments(s, selector, segment_index - 1, root)) { if (matchSegments(s, selector, segment_index - 1, root, page)) {
return true; return true;
} }
// This sibling didn't work, try the next one // This sibling didn't work, try the next one
@@ -309,7 +307,7 @@ fn matchSegments(node: *Node, selector: Selector.Selector, segment_index: usize,
if (segment_index == 0) { if (segment_index == 0) {
return true; return true;
} }
return matchSegments(current, selector, segment_index - 1, root); return matchSegments(current, selector, segment_index - 1, root, page);
} }
// subsequent_sibling already handled its recursion above // subsequent_sibling already handled its recursion above
@@ -317,12 +315,12 @@ fn matchSegments(node: *Node, selector: Selector.Selector, segment_index: usize,
} }
// Find an ancestor that matches the compound (any distance up the tree) // Find an ancestor that matches the compound (any distance up the tree)
fn matchDescendant(node: *Node, compound: Selector.Compound, root: ?*Node) ?*Node { fn matchDescendant(node: *Node, compound: Selector.Compound, root: ?*Node, page: *Page) ?*Node {
var current = node._parent; var current = node._parent;
while (current) |ancestor| { while (current) |ancestor| {
if (ancestor.is(Node.Element)) |ancestor_el| { if (ancestor.is(Node.Element)) |ancestor_el| {
if (matchesCompound(ancestor_el, compound)) { if (matchesCompound(ancestor_el, compound, page)) {
return ancestor; return ancestor;
} }
} }
@@ -341,7 +339,7 @@ fn matchDescendant(node: *Node, compound: Selector.Compound, root: ?*Node) ?*Nod
} }
// Find the direct parent if it matches the compound // Find the direct parent if it matches the compound
fn matchChild(node: *Node, compound: Selector.Compound, root: ?*Node) ?*Node { fn matchChild(node: *Node, compound: Selector.Compound, root: ?*Node, page: *Page) ?*Node {
const parent = node._parent orelse return null; const parent = node._parent orelse return null;
// Don't match beyond the root boundary // Don't match beyond the root boundary
@@ -354,7 +352,7 @@ fn matchChild(node: *Node, compound: Selector.Compound, root: ?*Node) ?*Node {
const parent_el = parent.is(Node.Element) orelse return null; const parent_el = parent.is(Node.Element) orelse return null;
if (matchesCompound(parent_el, compound)) { if (matchesCompound(parent_el, compound, page)) {
return parent; return parent;
} }
@@ -362,7 +360,7 @@ fn matchChild(node: *Node, compound: Selector.Compound, root: ?*Node) ?*Node {
} }
// Find the immediately preceding sibling if it matches the compound // Find the immediately preceding sibling if it matches the compound
fn matchNextSibling(node: *Node, compound: Selector.Compound) ?*Node { fn matchNextSibling(node: *Node, compound: Selector.Compound, page: *Page) ?*Node {
var sibling = node.previousSibling(); var sibling = node.previousSibling();
// For next_sibling (+), we need the immediately preceding element sibling // For next_sibling (+), we need the immediately preceding element sibling
@@ -374,7 +372,7 @@ fn matchNextSibling(node: *Node, compound: Selector.Compound) ?*Node {
}; };
// Found an element - check if it matches // Found an element - check if it matches
if (matchesCompound(sibling_el, compound)) { if (matchesCompound(sibling_el, compound, page)) {
return s; return s;
} }
// we found an element, it wasn't a match, we're done // we found an element, it wasn't a match, we're done
@@ -385,7 +383,7 @@ fn matchNextSibling(node: *Node, compound: Selector.Compound) ?*Node {
} }
// Find any preceding sibling that matches the compound // Find any preceding sibling that matches the compound
fn matchSubsequentSibling(node: *Node, compound: Selector.Compound) ?*Node { fn matchSubsequentSibling(node: *Node, compound: Selector.Compound, page: *Page) ?*Node {
var sibling = node.previousSibling(); var sibling = node.previousSibling();
// For subsequent_sibling (~), check all preceding element siblings // For subsequent_sibling (~), check all preceding element siblings
@@ -396,7 +394,7 @@ fn matchSubsequentSibling(node: *Node, compound: Selector.Compound) ?*Node {
continue; continue;
}; };
if (matchesCompound(sibling_el, compound)) { if (matchesCompound(sibling_el, compound, page)) {
return s; return s;
} }
@@ -406,17 +404,17 @@ fn matchSubsequentSibling(node: *Node, compound: Selector.Compound) ?*Node {
return null; return null;
} }
fn matchesCompound(el: *Node.Element, compound: Selector.Compound) bool { fn matchesCompound(el: *Node.Element, compound: Selector.Compound, page: *Page) bool {
// For compound selectors, ALL parts must match // For compound selectors, ALL parts must match
for (compound.parts) |part| { for (compound.parts) |part| {
if (!matchesPart(el, part)) { if (!matchesPart(el, part, page)) {
return false; return false;
} }
} }
return true; return true;
} }
fn matchesPart(el: *Node.Element, part: Part) bool { fn matchesPart(el: *Node.Element, part: Part, page: *Page) bool {
switch (part) { switch (part) {
.id => |id| { .id => |id| {
const element_id = el.getAttributeSafe("id") orelse return false; const element_id = el.getAttributeSafe("id") orelse return false;
@@ -437,7 +435,7 @@ fn matchesPart(el: *Node.Element, part: Part) bool {
return std.mem.eql(u8, element_tag, tag_name); return std.mem.eql(u8, element_tag, tag_name);
}, },
.universal => return true, .universal => return true,
.pseudo_class => |pseudo| return matchesPseudoClass(el, pseudo), .pseudo_class => |pseudo| return matchesPseudoClass(el, pseudo, page),
.attribute => |attr| return matchesAttribute(el, attr), .attribute => |attr| return matchesAttribute(el, attr),
} }
} }
@@ -497,13 +495,79 @@ fn attributeContainsWord(value: []const u8, word: []const u8) bool {
return false; return false;
} }
fn matchesPseudoClass(el: *Node.Element, pseudo: Selector.PseudoClass) bool { fn matchesPseudoClass(el: *Node.Element, pseudo: Selector.PseudoClass, page: *Page) bool {
const node = el.asNode();
switch (pseudo) { switch (pseudo) {
// State pseudo-classes
.modal => return false, .modal => return false,
.checked => { .checked => {
const input = el.is(Node.Element.Html.Input) orelse return false; const input = el.is(Node.Element.Html.Input) orelse return false;
return input.getChecked(); return input.getChecked();
}, },
.disabled => {
return el.getAttributeSafe("disabled") != null;
},
.enabled => {
return el.getAttributeSafe("disabled") == null;
},
.indeterminate => return false,
// Form validation
.valid => return false,
.invalid => return false,
.required => {
return el.getAttributeSafe("required") != null;
},
.optional => {
return el.getAttributeSafe("required") == null;
},
.in_range => return false,
.out_of_range => return false,
.placeholder_shown => return false,
.read_only => {
return el.getAttributeSafe("readonly") != null;
},
.read_write => {
return el.getAttributeSafe("readonly") == null;
},
.default => return false,
// User interaction
.hover => return false,
.active => return false,
.focus => {
const active = page.document._active_element orelse return false;
return active == el;
},
.focus_within => {
const active = page.document._active_element orelse return false;
return node.contains(active.asNode());
},
.focus_visible => return false,
// Link states
.link => return false,
.visited => return false,
.any_link => {
if (el.getTag() != .anchor) return false;
return el.getAttributeSafe("href") != null;
},
.target => {
const element_id = el.getAttributeSafe("id") orelse return false;
const location = page.document._location orelse return false;
const hash = location.getHash();
if (hash.len <= 1) return false;
return std.mem.eql(u8, element_id, hash[1..]);
},
// Tree structural
.root => {
const parent = node.parentNode() orelse return false;
return parent._type == .document;
},
.empty => {
return node.firstChild() == null;
},
.first_child => return isFirstChild(el), .first_child => return isFirstChild(el),
.last_child => return isLastChild(el), .last_child => return isLastChild(el),
.only_child => return isFirstChild(el) and isLastChild(el), .only_child => return isFirstChild(el) and isLastChild(el),
@@ -514,19 +578,87 @@ fn matchesPseudoClass(el: *Node.Element, pseudo: Selector.PseudoClass) bool {
.nth_last_child => |pattern| return matchesNthLastChild(el, pattern), .nth_last_child => |pattern| return matchesNthLastChild(el, pattern),
.nth_of_type => |pattern| return matchesNthOfType(el, pattern), .nth_of_type => |pattern| return matchesNthOfType(el, pattern),
.nth_last_of_type => |pattern| return matchesNthLastOfType(el, pattern), .nth_last_of_type => |pattern| return matchesNthLastOfType(el, pattern),
// Custom elements
.defined => {
const tag_name = el.getTagNameLower();
if (std.mem.indexOfScalar(u8, tag_name, '-') == null) return true;
const registry = &page.window._custom_elements;
return registry.get(tag_name) != null;
},
// Functional
.lang => return false,
.not => |selectors| { .not => |selectors| {
// CSS Level 4: :not() matches if NONE of the selectors match
// Each selector in the list is evaluated independently
for (selectors) |selector| { for (selectors) |selector| {
if (matches(el.asNode(), selector, null)) { if (matches(node, selector, page)) {
return false; return false;
} }
} }
return true; return true;
}, },
.is => |selectors| {
for (selectors) |selector| {
if (matches(node, selector, page)) {
return true;
}
}
return false;
},
.where => |selectors| {
for (selectors) |selector| {
if (matches(node, selector, page)) {
return true;
}
}
return false;
},
.has => |selectors| {
for (selectors) |selector| {
var child = node.firstChild();
while (child) |c| {
const child_el = c.is(Node.Element) orelse {
child = c.nextSibling();
continue;
};
if (matches(child_el.asNode(), selector, page)) {
return true;
}
if (matchesHasDescendant(child_el, selector, page)) {
return true;
}
child = c.nextSibling();
}
}
return false;
},
} }
} }
fn matchesHasDescendant(el: *Node.Element, selector: Selector.Selector, page: *Page) bool {
var child = el.asNode().firstChild();
while (child) |c| {
const child_el = c.is(Node.Element) orelse {
child = c.nextSibling();
continue;
};
if (matches(child_el.asNode(), selector, page)) {
return true;
}
if (matchesHasDescendant(child_el, selector, page)) {
return true;
}
child = c.nextSibling();
}
return false;
}
fn isFirstChild(el: *Node.Element) bool { fn isFirstChild(el: *Node.Element) bool {
const node = el.asNode(); const node = el.asNode();
var sibling = node.previousSibling(); var sibling = node.previousSibling();

130
src/browser/webapi/selector/Parser.zig
View File

@@ -395,21 +395,144 @@ fn pseudoClass(self: *Parser, arena: Allocator, page: *Page) !Selector.PseudoCla
return .{ .not = selectors.items }; return .{ .not = selectors.items };
} }
if (std.mem.eql(u8, name, "is")) {
var selectors: std.ArrayList(Selector.Selector) = .empty;
_ = self.skipSpaces();
while (true) {
if (self.peek() == ')') break;
if (self.peek() == 0) return error.InvalidPseudoClass;
const selector = try parse(arena, self.consumeUntilCommaOrParen(), page);
try selectors.append(arena, selector);
_ = self.skipSpaces();
if (self.peek() == ',') {
self.input = self.input[1..];
_ = self.skipSpaces();
continue;
}
break;
}
if (self.peek() != ')') return error.InvalidPseudoClass;
self.input = self.input[1..];
if (selectors.items.len == 0) return error.InvalidPseudoClass;
return .{ .is = selectors.items };
}
if (std.mem.eql(u8, name, "where")) {
var selectors: std.ArrayList(Selector.Selector) = .empty;
_ = self.skipSpaces();
while (true) {
if (self.peek() == ')') break;
if (self.peek() == 0) return error.InvalidPseudoClass;
const selector = try parse(arena, self.consumeUntilCommaOrParen(), page);
try selectors.append(arena, selector);
_ = self.skipSpaces();
if (self.peek() == ',') {
self.input = self.input[1..];
_ = self.skipSpaces();
continue;
}
break;
}
if (self.peek() != ')') return error.InvalidPseudoClass;
self.input = self.input[1..];
if (selectors.items.len == 0) return error.InvalidPseudoClass;
return .{ .where = selectors.items };
}
if (std.mem.eql(u8, name, "has")) {
var selectors: std.ArrayList(Selector.Selector) = .empty;
_ = self.skipSpaces();
while (true) {
if (self.peek() == ')') break;
if (self.peek() == 0) return error.InvalidPseudoClass;
const selector = try parse(arena, self.consumeUntilCommaOrParen(), page);
try selectors.append(arena, selector);
_ = self.skipSpaces();
if (self.peek() == ',') {
self.input = self.input[1..];
_ = self.skipSpaces();
continue;
}
break;
}
if (self.peek() != ')') return error.InvalidPseudoClass;
self.input = self.input[1..];
if (selectors.items.len == 0) return error.InvalidPseudoClass;
return .{ .has = selectors.items };
}
if (std.mem.eql(u8, name, "lang")) {
_ = self.skipSpaces();
const lang_start = self.input;
var lang_i: usize = 0;
while (lang_i < lang_start.len and lang_start[lang_i] != ')') : (lang_i += 1) {}
if (lang_i == 0 or self.peek() == 0) return error.InvalidPseudoClass;
const lang = try arena.dupe(u8, std.mem.trim(u8, lang_start[0..lang_i], &std.ascii.whitespace));
self.input = lang_start[lang_i..];
if (self.peek() != ')') return error.InvalidPseudoClass;
self.input = self.input[1..];
return .{ .lang = lang };
}
return error.UnknownPseudoClass; return error.UnknownPseudoClass;
} }
switch (name.len) { switch (name.len) {
4 => {
if (fastEql(name, "root")) return .root;
if (fastEql(name, "link")) return .link;
},
5 => { 5 => {
if (fastEql(name, "modal")) return .modal; if (fastEql(name, "modal")) return .modal;
if (fastEql(name, "hover")) return .hover;
if (fastEql(name, "focus")) return .focus;
if (fastEql(name, "empty")) return .empty;
if (fastEql(name, "valid")) return .valid;
},
6 => {
if (fastEql(name, "active")) return .active;
if (fastEql(name, "target")) return .target;
}, },
7 => { 7 => {
if (fastEql(name, "checked")) return .checked; if (fastEql(name, "checked")) return .checked;
if (fastEql(name, "visited")) return .visited;
if (fastEql(name, "enabled")) return .enabled;
if (fastEql(name, "invalid")) return .invalid;
if (fastEql(name, "default")) return .default;
if (fastEql(name, "defined")) return .defined;
},
8 => {
if (fastEql(name, "disabled")) return .disabled;
if (fastEql(name, "required")) return .required;
if (fastEql(name, "optional")) return .optional;
if (fastEql(name, "any-link")) return .any_link;
if (fastEql(name, "in-range")) return .in_range;
},
9 => {
if (fastEql(name, "read-only")) return .read_only;
}, },
10 => { 10 => {
if (fastEql(name, "only-child")) return .only_child; if (fastEql(name, "only-child")) return .only_child;
if (fastEql(name, "last-child")) return .last_child; if (fastEql(name, "last-child")) return .last_child;
if (fastEql(name, "read-write")) return .read_write;
}, },
11 => { 11 => {
if (fastEql(name, "first-child")) return .first_child; if (fastEql(name, "first-child")) return .first_child;
@@ -417,9 +540,16 @@ fn pseudoClass(self: *Parser, arena: Allocator, page: *Page) !Selector.PseudoCla
12 => { 12 => {
if (fastEql(name, "only-of-type")) return .only_of_type; if (fastEql(name, "only-of-type")) return .only_of_type;
if (fastEql(name, "last-of-type")) return .last_of_type; if (fastEql(name, "last-of-type")) return .last_of_type;
if (fastEql(name, "focus-within")) return .focus_within;
if (fastEql(name, "out-of-range")) return .out_of_range;
}, },
13 => { 13 => {
if (fastEql(name, "first-of-type")) return .first_of_type; if (fastEql(name, "first-of-type")) return .first_of_type;
if (fastEql(name, "focus-visible")) return .focus_visible;
if (fastEql(name, "indeterminate")) return .indeterminate;
},
17 => {
if (fastEql(name, "placeholder-shown")) return .placeholder_shown;
}, },
else => {}, else => {},
} }

44
src/browser/webapi/selector/Selector.zig
View File

@@ -82,7 +82,7 @@ pub fn matches(el: *Node.Element, input: []const u8, page: *Page) !bool {
const selectors = try Parser.parseList(arena, input, page); const selectors = try Parser.parseList(arena, input, page);
for (selectors) |selector| { for (selectors) |selector| {
if (List.matches(el.asNode(), selector, null)) { if (List.matches(el.asNode(), selector, page)) {
return true; return true;
} }
} }
@@ -131,8 +131,41 @@ pub const AttributeMatcher = union(enum) {
}; };
pub const PseudoClass = union(enum) { pub const PseudoClass = union(enum) {
// State pseudo-classes
modal, modal,
checked, checked,
disabled,
enabled,
indeterminate,
// Form validation
valid,
invalid,
required,
optional,
in_range,
out_of_range,
placeholder_shown,
read_only,
read_write,
default,
// User interaction
hover,
active,
focus,
focus_within,
focus_visible,
// Link states
link,
visited,
any_link,
target,
// Tree structural
root,
empty,
first_child, first_child,
last_child, last_child,
only_child, only_child,
@@ -143,7 +176,16 @@ pub const PseudoClass = union(enum) {
nth_last_child: NthPattern, nth_last_child: NthPattern,
nth_of_type: NthPattern, nth_of_type: NthPattern,
nth_last_of_type: NthPattern, nth_last_of_type: NthPattern,
// Custom elements
defined,
// Functional
lang: []const u8,
not: []const Selector, // :not() - CSS Level 4: supports full selectors and comma-separated lists not: []const Selector, // :not() - CSS Level 4: supports full selectors and comma-separated lists
is: []const Selector, // :is() - matches any of the selectors
where: []const Selector, // :where() - like :is() but with zero specificity
has: []const Selector, // :has() - element containing descendants matching selector
}; };
pub const NthPattern = struct { pub const NthPattern = struct {