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sirreal wants to merge 18 commits into from
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HTML API: Add explicit handling or failure for all tags #5762

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f35453b
Add throw on every special element
sirreal Dec 13, 2023
dbf5db8
Remove handled tags
sirreal Dec 13, 2023
1e92ec9
Rework to use tag name
sirreal Dec 13, 2023
31abb43
Add tests
sirreal Dec 13, 2023
2eb3c97
Remove H1-H6 tests and handling (now supported)
sirreal Dec 13, 2023
ade089e
Add note mentioning test
sirreal Dec 13, 2023
2a8fc46
Add support for "any other tag" categories in IN BODY
dmsnell Dec 18, 2023
eb99542
Update more tests, more checks, add SARCASM
dmsnell Dec 18, 2023
7e8eb4c
WPCS
dmsnell Dec 19, 2023
ccc297d
Better data source descriptions
sirreal Dec 22, 2023
b20806a
Close tags so processing doesn't pause
sirreal Dec 22, 2023
556f3cf
Fix bugs uncovered by tests
dmsnell Dec 18, 2023
2cab6cf
Refactor closing tag loop, eliminate goto
dmsnell Dec 22, 2023
98c46e9
Undo whitespace change in phpcs rules
dmsnell Dec 22, 2023
620bdec
Update comments, remove redundant code.
dmsnell Dec 22, 2023
a98f30b
Add newly-supported elements to docblock, fix typo in tests.
dmsnell Dec 22, 2023
9f9ce0d
fixup! Add newly-supported elements to docblock, fix typo in tests.
dmsnell Dec 22, 2023
3f9670a
Update docblock lints and re-add MathML and SVG comments.
dmsnell Dec 23, 2023
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Add throw on every special element
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@sirreal
sirreal committed Dec 22, 2023
commit f35453b7efe8128f7672620c2581d81472ee41f0
179 changes: 179 additions & 0 deletions src/wp-includes/html-api/class-wp-html-processor.php
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Original file line number Diff line number Diff line change
Expand Up @@ -603,6 +603,185 @@ private function step_in_body() {
$op = "{$op_sigil}{$tag_name}";

switch ( $op ) {
/*
* These tags require special handling in the 'in body' insertion mode
* but do not have special handling implemented yet.
*
* We throw the WP_HTML_Unsupported_Exception so we're free to implememnt
* the catch-all handling for any other start and end tag.
*
* @see https://html.spec.whatwg.org/multipage/parsing.html#parsing-main-inbody
*/
case '+A':
case '+ADDRESS':
case '+APPLET':
case '+AREA':
case '+ARTICLE':
case '+ASIDE':
case '+B':
case '+BASE':
case '+BASEFONT':
case '+BGSOUND':
case '+BIG':
case '+BLOCKQUOTE':
case '+BODY':
case '+BR':
case '+BUTTON':
case '+CAPTION':
case '+CENTER':
case '+CODE':
case '+COL':
case '+COLGROUP':
case '+DD':
case '+DETAILS':
case '+DIALOG':
case '+DIR':
case '+DIV':
case '+DL':
case '+DT':
case '+EM':
case '+EMBED':
case '+FIELDSET':
case '+FIGCAPTION':
case '+FIGURE':
case '+FONT':
case '+FOOTER':
case '+FORM':
case '+FRAME':
case '+FRAMESET':
case '+H1':
case '+H2':
case '+H3':
case '+H4':
case '+H5':
case '+H6':
case '+HEAD':
case '+HEADER':
case '+HGROUP':
case '+HR':
case '+HTML':
case '+I':
case '+IFRAME':
case '+IMAGE':
case '+IMG':
case '+INPUT':
case '+KEYGEN':
case '+LI':
case '+LINK':
case '+LISTING':
case '+MAIN':
case '+MARQUEE':
case '+MATH':
case '+MENU':
case '+META':
case '+NAV':
case '+NOBR':
case '+NOEMBED':
case '+NOFRAMES':
case '+NOSCRIPT': // scripting flag??
case '+OBJECT':
case '+OL':
case '+OPTGROUP':
case '+OPTION':
case '+P':
case '+PARAM':
case '+PLAINTEXT':
case '+PRE':
case '+RB':
case '+RP':
case '+RT':
case '+RTC':
case '+S':
case '+SCRIPT':
case '+SEARCH':
case '+SECTION':
case '+SELECT':
case '+SMALL':
case '+SOURCE':
case '+STRIKE':
case '+STRONG':
case '+STYLE':
case '+SUMMARY':
case '+SVG':
case '+TABLE':
case '+TBODY':
case '+TD':
case '+TEMPLATE':
case '+TEXTAREA':
case '+TFOOT':
case '+TH':
case '+THEAD':
case '+TITLE':
case '+TR':
case '+TRACK':
case '+TT':
case '+U':
case '+UL':
case '+WBR':
case '+XMP':
case '-A':
case '-ADDRESS':
case '-APPLET':
case '-ARTICLE':
case '-ASIDE':
case '-B':
case '-BIG':
case '-BLOCKQUOTE':
case '-BODY':
case '-BR':
case '-BUTTON':
case '-CENTER':
case '-CODE':
case '-DD':
case '-DETAILS':
case '-DIALOG':
case '-DIR':
case '-DIV':
case '-DL':
case '-DT':
case '-EM':
case '-FIELDSET':
case '-FIGCAPTION':
case '-FIGURE':
case '-FONT':
case '-FOOTER':
case '-FORM':
case '-H1':
case '-H2':
case '-H3':
case '-H4':
case '-H5':
case '-H6':
case '-HEADER':
case '-HGROUP':
case '-HTML':
case '-I':
case '-LI':
case '-LISTING':
case '-MAIN':
case '-MARQUEE':
case '-MENU':
case '-NAV':
case '-NOBR':
case '-OBJECT':
case '-OL':
case '-P':
case '-PRE':
case '-S':
case '-SEARCH':
case '-SECTION':
case '-SMALL':
case '-STRIKE':
case '-STRONG':
case '-SUMMARY':
case '-TEMPLATE':
case '-TT':
case '-U':
case '-UL':
$this->last_error = self::ERROR_UNSUPPORTED;
throw new WP_HTML_Unsupported_Exception( "Cannot process {$tag_name} element." );


/*
* > A start tag whose tag name is "button"
*/
Expand Down