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This commit is contained in:
Tony Volpe
2024-11-15 13:53:04 -05:00
parent 1293d604ca
commit 0238f0c4ca
2009 changed files with 163492 additions and 89543 deletions
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456
wp/wp-includes/html-api/class-wp-html-open-elements.php
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@@ -58,7 +58,7 @@ class WP_HTML_Open_Elements {
*
* @since 6.6.0
*
* @var Closure
* @var Closure|null
*/
private $pop_handler = null;
@@ -69,7 +69,7 @@ class WP_HTML_Open_Elements {
*
* @since 6.6.0
*
* @var Closure
* @var Closure|null
*/
private $push_handler = null;
@@ -83,7 +83,7 @@ class WP_HTML_Open_Elements {
*
* @param Closure $handler The handler function.
*/
public function set_pop_handler( Closure $handler ) {
public function set_pop_handler( Closure $handler ): void {
$this->pop_handler = $handler;
}
@@ -97,10 +97,53 @@ class WP_HTML_Open_Elements {
*
* @param Closure $handler The handler function.
*/
public function set_push_handler( Closure $handler ) {
public function set_push_handler( Closure $handler ): void {
$this->push_handler = $handler;
}
/**
* Returns the name of the node at the nth position on the stack
* of open elements, or `null` if no such position exists.
*
* Note that this uses a 1-based index, which represents the
* "nth item" on the stack, counting from the top, where the
* top-most element is the 1st, the second is the 2nd, etc...
*
* @since 6.7.0
*
* @param int $nth Retrieve the nth item on the stack, with 1 being
* the top element, 2 being the second, etc...
* @return WP_HTML_Token|null Name of the node on the stack at the given location,
* or `null` if the location isn't on the stack.
*/
public function at( int $nth ): ?WP_HTML_Token {
foreach ( $this->walk_down() as $item ) {
if ( 0 === --$nth ) {
return $item;
}
}
return null;
}
/**
* Reports if a node of a given name is in the stack of open elements.
*
* @since 6.7.0
*
* @param string $node_name Name of node for which to check.
* @return bool Whether a node of the given name is in the stack of open elements.
*/
public function contains( string $node_name ): bool {
foreach ( $this->walk_up() as $item ) {
if ( $node_name === $item->node_name ) {
return true;
}
}
return false;
}
/**
* Reports if a specific node is in the stack of open elements.
*
@@ -109,9 +152,9 @@ class WP_HTML_Open_Elements {
* @param WP_HTML_Token $token Look for this node in the stack.
* @return bool Whether the referenced node is in the stack of open elements.
*/
public function contains_node( $token ) {
public function contains_node( WP_HTML_Token $token ): bool {
foreach ( $this->walk_up() as $item ) {
if ( $token->bookmark_name === $item->bookmark_name ) {
if ( $token === $item ) {
return true;
}
}
@@ -126,7 +169,7 @@ class WP_HTML_Open_Elements {
*
* @return int How many node are in the stack of open elements.
*/
public function count() {
public function count(): int {
return count( $this->stack );
}
@@ -138,20 +181,57 @@ class WP_HTML_Open_Elements {
*
* @return WP_HTML_Token|null Last node in the stack of open elements, if one exists, otherwise null.
*/
public function current_node() {
public function current_node(): ?WP_HTML_Token {
$current_node = end( $this->stack );
return $current_node ? $current_node : null;
}
/**
* Indicates if the current node is of a given type or name.
*
* It's possible to pass either a node type or a node name to this function.
* In the case there is no current element it will always return `false`.
*
* Example:
*
* // Is the current node a text node?
* $stack->current_node_is( '#text' );
*
* // Is the current node a DIV element?
* $stack->current_node_is( 'DIV' );
*
* // Is the current node any element/tag?
* $stack->current_node_is( '#tag' );
*
* @see WP_HTML_Tag_Processor::get_token_type
* @see WP_HTML_Tag_Processor::get_token_name
*
* @since 6.7.0
*
* @access private
*
* @param string $identity Check if the current node has this name or type (depending on what is provided).
* @return bool Whether there is a current element that matches the given identity, whether a token name or type.
*/
public function current_node_is( string $identity ): bool {
$current_node = end( $this->stack );
if ( false === $current_node ) {
return false;
}
$current_node_name = $current_node->node_name;
return (
$current_node_name === $identity ||
( '#doctype' === $identity && 'html' === $current_node_name ) ||
( '#tag' === $identity && ctype_upper( $current_node_name ) )
);
}
/**
* Returns whether an element is in a specific scope.
*
* ## HTML Support
*
* This function skips checking for the termination list because there
* are no supported elements which appear in the termination list.
*
* @since 6.4.0
*
* @see https://html.spec.whatwg.org/#has-an-element-in-the-specific-scope
@@ -160,25 +240,24 @@ class WP_HTML_Open_Elements {
* @param string[] $termination_list List of elements that terminate the search.
* @return bool Whether the element was found in a specific scope.
*/
public function has_element_in_specific_scope( $tag_name, $termination_list ) {
public function has_element_in_specific_scope( string $tag_name, $termination_list ): bool {
foreach ( $this->walk_up() as $node ) {
if ( $node->node_name === $tag_name ) {
$namespaced_name = 'html' === $node->namespace
? $node->node_name
: "{$node->namespace} {$node->node_name}";
if ( $namespaced_name === $tag_name ) {
return true;
}
if (
'(internal: H1 through H6 - do not use)' === $tag_name &&
in_array( $node->node_name, array( 'H1', 'H2', 'H3', 'H4', 'H5', 'H6' ), true )
in_array( $namespaced_name, array( 'H1', 'H2', 'H3', 'H4', 'H5', 'H6' ), true )
) {
return true;
}
switch ( $node->node_name ) {
case 'HTML':
return false;
}
if ( in_array( $node->node_name, $termination_list, true ) ) {
if ( in_array( $namespaced_name, $termination_list, true ) ) {
return false;
}
}
@@ -189,25 +268,61 @@ class WP_HTML_Open_Elements {
/**
* Returns whether a particular element is in scope.
*
* > The stack of open elements is said to have a particular element in
* > scope when it has that element in the specific scope consisting of
* > the following element types:
* >
* > - applet
* > - caption
* > - html
* > - table
* > - td
* > - th
* > - marquee
* > - object
* > - template
* > - MathML mi
* > - MathML mo
* > - MathML mn
* > - MathML ms
* > - MathML mtext
* > - MathML annotation-xml
* > - SVG foreignObject
* > - SVG desc
* > - SVG title
*
* @since 6.4.0
* @since 6.7.0 Full support.
*
* @see https://html.spec.whatwg.org/#has-an-element-in-scope
*
* @param string $tag_name Name of tag to check.
* @return bool Whether given element is in scope.
*/
public function has_element_in_scope( $tag_name ) {
public function has_element_in_scope( string $tag_name ): bool {
return $this->has_element_in_specific_scope(
$tag_name,
array(
'APPLET',
'CAPTION',
'HTML',
'TABLE',
'TD',
'TH',
'MARQUEE',
'OBJECT',
'TEMPLATE',
/*
* Because it's not currently possible to encounter
* one of the termination elements, they don't need
* to be listed here. If they were, they would be
* unreachable and only waste CPU cycles while
* scanning through HTML.
*/
'math MI',
'math MO',
'math MN',
'math MS',
'math MTEXT',
'math ANNOTATION-XML',
'svg FOREIGNOBJECT',
'svg DESC',
'svg TITLE',
)
);
}
@@ -215,21 +330,50 @@ class WP_HTML_Open_Elements {
/**
* Returns whether a particular element is in list item scope.
*
* > The stack of open elements is said to have a particular element
* > in list item scope when it has that element in the specific scope
* > consisting of the following element types:
* >
* > - All the element types listed above for the has an element in scope algorithm.
* > - ol in the HTML namespace
* > - ul in the HTML namespace
*
* @since 6.4.0
* @since 6.5.0 Implemented: no longer throws on every invocation.
* @since 6.7.0 Supports all required HTML elements.
*
* @see https://html.spec.whatwg.org/#has-an-element-in-list-item-scope
*
* @param string $tag_name Name of tag to check.
* @return bool Whether given element is in scope.
*/
public function has_element_in_list_item_scope( $tag_name ) {
public function has_element_in_list_item_scope( string $tag_name ): bool {
return $this->has_element_in_specific_scope(
$tag_name,
array(
// There are more elements that belong here which aren't currently supported.
'APPLET',
'BUTTON',
'CAPTION',
'HTML',
'TABLE',
'TD',
'TH',
'MARQUEE',
'OBJECT',
'OL',
'TEMPLATE',
'UL',
'math MI',
'math MO',
'math MN',
'math MS',
'math MTEXT',
'math ANNOTATION-XML',
'svg FOREIGNOBJECT',
'svg DESC',
'svg TITLE',
)
);
}
@@ -237,51 +381,115 @@ class WP_HTML_Open_Elements {
/**
* Returns whether a particular element is in button scope.
*
* > The stack of open elements is said to have a particular element
* > in button scope when it has that element in the specific scope
* > consisting of the following element types:
* >
* > - All the element types listed above for the has an element in scope algorithm.
* > - button in the HTML namespace
*
* @since 6.4.0
* @since 6.7.0 Supports all required HTML elements.
*
* @see https://html.spec.whatwg.org/#has-an-element-in-button-scope
*
* @param string $tag_name Name of tag to check.
* @return bool Whether given element is in scope.
*/
public function has_element_in_button_scope( $tag_name ) {
return $this->has_element_in_specific_scope( $tag_name, array( 'BUTTON' ) );
public function has_element_in_button_scope( string $tag_name ): bool {
return $this->has_element_in_specific_scope(
$tag_name,
array(
'APPLET',
'BUTTON',
'CAPTION',
'HTML',
'TABLE',
'TD',
'TH',
'MARQUEE',
'OBJECT',
'TEMPLATE',
'math MI',
'math MO',
'math MN',
'math MS',
'math MTEXT',
'math ANNOTATION-XML',
'svg FOREIGNOBJECT',
'svg DESC',
'svg TITLE',
)
);
}
/**
* Returns whether a particular element is in table scope.
*
* > The stack of open elements is said to have a particular element
* > in table scope when it has that element in the specific scope
* > consisting of the following element types:
* >
* > - html in the HTML namespace
* > - table in the HTML namespace
* > - template in the HTML namespace
*
* @since 6.4.0
* @since 6.7.0 Full implementation.
*
* @see https://html.spec.whatwg.org/#has-an-element-in-table-scope
*
* @throws WP_HTML_Unsupported_Exception Always until this function is implemented.
*
* @param string $tag_name Name of tag to check.
* @return bool Whether given element is in scope.
*/
public function has_element_in_table_scope( $tag_name ) {
throw new WP_HTML_Unsupported_Exception( 'Cannot process elements depending on table scope.' );
return false; // The linter requires this unreachable code until the function is implemented and can return.
public function has_element_in_table_scope( string $tag_name ): bool {
return $this->has_element_in_specific_scope(
$tag_name,
array(
'HTML',
'TABLE',
'TEMPLATE',
)
);
}
/**
* Returns whether a particular element is in select scope.
*
* @since 6.4.0
* This test differs from the others like it, in that its rules are inverted.
* Instead of arriving at a match when one of any tag in a termination group
* is reached, this one terminates if any other tag is reached.
*
* > The stack of open elements is said to have a particular element in select scope when it has
* > that element in the specific scope consisting of all element types except the following:
* > - optgroup in the HTML namespace
* > - option in the HTML namespace
*
* @since 6.4.0 Stub implementation (throws).
* @since 6.7.0 Full implementation.
*
* @see https://html.spec.whatwg.org/#has-an-element-in-select-scope
*
* @throws WP_HTML_Unsupported_Exception Always until this function is implemented.
*
* @param string $tag_name Name of tag to check.
* @return bool Whether given element is in scope.
* @return bool Whether the given element is in SELECT scope.
*/
public function has_element_in_select_scope( $tag_name ) {
throw new WP_HTML_Unsupported_Exception( 'Cannot process elements depending on select scope.' );
public function has_element_in_select_scope( string $tag_name ): bool {
foreach ( $this->walk_up() as $node ) {
if ( $node->node_name === $tag_name ) {
return true;
}
return false; // The linter requires this unreachable code until the function is implemented and can return.
if (
'OPTION' !== $node->node_name &&
'OPTGROUP' !== $node->node_name
) {
return false;
}
}
return false;
}
/**
@@ -293,7 +501,7 @@ class WP_HTML_Open_Elements {
*
* @return bool Whether a P is in BUTTON scope.
*/
public function has_p_in_button_scope() {
public function has_p_in_button_scope(): bool {
return $this->has_p_in_button_scope;
}
@@ -306,7 +514,7 @@ class WP_HTML_Open_Elements {
*
* @return bool Whether a node was popped off of the stack.
*/
public function pop() {
public function pop(): bool {
$item = array_pop( $this->stack );
if ( null === $item ) {
return false;
@@ -322,31 +530,31 @@ class WP_HTML_Open_Elements {
}
/**
* Pops nodes off of the stack of open elements until one with the given tag name has been popped.
* Pops nodes off of the stack of open elements until an HTML tag with the given name has been popped.
*
* @since 6.4.0
*
* @see WP_HTML_Open_Elements::pop
*
* @param string $tag_name Name of tag that needs to be popped off of the stack of open elements.
* @param string $html_tag_name Name of tag that needs to be popped off of the stack of open elements.
* @return bool Whether a tag of the given name was found and popped off of the stack of open elements.
*/
public function pop_until( $tag_name ) {
public function pop_until( string $html_tag_name ): bool {
foreach ( $this->walk_up() as $item ) {
if ( 'context-node' === $item->bookmark_name ) {
return true;
}
$this->pop();
if ( 'html' !== $item->namespace ) {
continue;
}
if (
'(internal: H1 through H6 - do not use)' === $tag_name &&
'(internal: H1 through H6 - do not use)' === $html_tag_name &&
in_array( $item->node_name, array( 'H1', 'H2', 'H3', 'H4', 'H5', 'H6' ), true )
) {
return true;
}
if ( $tag_name === $item->node_name ) {
if ( $html_tag_name === $item->node_name ) {
return true;
}
}
@@ -363,7 +571,7 @@ class WP_HTML_Open_Elements {
*
* @param WP_HTML_Token $stack_item Item to add onto stack.
*/
public function push( $stack_item ) {
public function push( WP_HTML_Token $stack_item ): void {
$this->stack[] = $stack_item;
$this->after_element_push( $stack_item );
}
@@ -376,7 +584,7 @@ class WP_HTML_Open_Elements {
* @param WP_HTML_Token $token The node to remove from the stack of open elements.
* @return bool Whether the node was found and removed from the stack of open elements.
*/
public function remove_node( $token ) {
public function remove_node( WP_HTML_Token $token ): bool {
if ( 'context-node' === $token->bookmark_name ) {
return false;
}
@@ -443,9 +651,10 @@ class WP_HTML_Open_Elements {
* @since 6.4.0
* @since 6.5.0 Accepts $above_this_node to start traversal above a given node, if it exists.
*
* @param ?WP_HTML_Token $above_this_node Start traversing above this node, if provided and if the node exists.
* @param WP_HTML_Token|null $above_this_node Optional. Start traversing above this node,
* if provided and if the node exists.
*/
public function walk_up( $above_this_node = null ) {
public function walk_up( ?WP_HTML_Token $above_this_node = null ) {
$has_found_node = null === $above_this_node;
for ( $i = count( $this->stack ) - 1; $i >= 0; $i-- ) {
@@ -477,13 +686,35 @@ class WP_HTML_Open_Elements {
*
* @param WP_HTML_Token $item Element that was added to the stack of open elements.
*/
public function after_element_push( $item ) {
public function after_element_push( WP_HTML_Token $item ): void {
$namespaced_name = 'html' === $item->namespace
? $item->node_name
: "{$item->namespace} {$item->node_name}";
/*
* When adding support for new elements, expand this switch to trap
* cases where the precalculated value needs to change.
*/
switch ( $item->node_name ) {
switch ( $namespaced_name ) {
case 'APPLET':
case 'BUTTON':
case 'CAPTION':
case 'HTML':
case 'TABLE':
case 'TD':
case 'TH':
case 'MARQUEE':
case 'OBJECT':
case 'TEMPLATE':
case 'math MI':
case 'math MO':
case 'math MN':
case 'math MS':
case 'math MTEXT':
case 'math ANNOTATION-XML':
case 'svg FOREIGNOBJECT':
case 'svg DESC':
case 'svg TITLE':
$this->has_p_in_button_scope = false;
break;
@@ -510,17 +741,32 @@ class WP_HTML_Open_Elements {
*
* @param WP_HTML_Token $item Element that was removed from the stack of open elements.
*/
public function after_element_pop( $item ) {
public function after_element_pop( WP_HTML_Token $item ): void {
/*
* When adding support for new elements, expand this switch to trap
* cases where the precalculated value needs to change.
*/
switch ( $item->node_name ) {
case 'APPLET':
case 'BUTTON':
$this->has_p_in_button_scope = $this->has_element_in_button_scope( 'P' );
break;
case 'CAPTION':
case 'HTML':
case 'P':
case 'TABLE':
case 'TD':
case 'TH':
case 'MARQUEE':
case 'OBJECT':
case 'TEMPLATE':
case 'math MI':
case 'math MO':
case 'math MN':
case 'math MS':
case 'math MTEXT':
case 'math ANNOTATION-XML':
case 'svg FOREIGNOBJECT':
case 'svg DESC':
case 'svg TITLE':
$this->has_p_in_button_scope = $this->has_element_in_button_scope( 'P' );
break;
}
@@ -530,6 +776,80 @@ class WP_HTML_Open_Elements {
}
}
/**
* Clear the stack back to a table context.
*
* > When the steps above require the UA to clear the stack back to a table context, it means
* > that the UA must, while the current node is not a table, template, or html element, pop
* > elements from the stack of open elements.
*
* @see https://html.spec.whatwg.org/multipage/parsing.html#clear-the-stack-back-to-a-table-context
*
* @since 6.7.0
*/
public function clear_to_table_context(): void {
foreach ( $this->walk_up() as $item ) {
if (
'TABLE' === $item->node_name ||
'TEMPLATE' === $item->node_name ||
'HTML' === $item->node_name
) {
break;
}
$this->pop();
}
}
/**
* Clear the stack back to a table body context.
*
* > When the steps above require the UA to clear the stack back to a table body context, it
* > means that the UA must, while the current node is not a tbody, tfoot, thead, template, or
* > html element, pop elements from the stack of open elements.
*
* @see https://html.spec.whatwg.org/multipage/parsing.html#clear-the-stack-back-to-a-table-body-context
*
* @since 6.7.0
*/
public function clear_to_table_body_context(): void {
foreach ( $this->walk_up() as $item ) {
if (
'TBODY' === $item->node_name ||
'TFOOT' === $item->node_name ||
'THEAD' === $item->node_name ||
'TEMPLATE' === $item->node_name ||
'HTML' === $item->node_name
) {
break;
}
$this->pop();
}
}
/**
* Clear the stack back to a table row context.
*
* > When the steps above require the UA to clear the stack back to a table row context, it
* > means that the UA must, while the current node is not a tr, template, or html element, pop
* > elements from the stack of open elements.
*
* @see https://html.spec.whatwg.org/multipage/parsing.html#clear-the-stack-back-to-a-table-row-context
*
* @since 6.7.0
*/
public function clear_to_table_row_context(): void {
foreach ( $this->walk_up() as $item ) {
if (
'TR' === $item->node_name ||
'TEMPLATE' === $item->node_name ||
'HTML' === $item->node_name
) {
break;
}
$this->pop();
}
}
/**
* Wakeup magic method.
*