From efa61528aa500a1efbd2768121820742d3bb709b Mon Sep 17 00:00:00 2001 From: Jim Derry Date: Sat, 31 Jul 2021 08:26:16 -0400 Subject: [PATCH] Fixes #946 by refactoring the recursion into a loop with a heap-based stack. --- .../cases/github-cases/case-946.conf | 3 + .../cases/github-cases/case-946@1.html | Bin 0 -> 11558 bytes .../cases/github-expects/case-946.html | 44 +++ .../cases/github-expects/case-946.txt | 330 ++++++++++++++++++ src/gdoc.c | 13 +- version.txt | 4 +- 6 files changed, 388 insertions(+), 6 deletions(-) create mode 100755 regression_testing/cases/github-cases/case-946.conf create mode 100644 regression_testing/cases/github-cases/case-946@1.html create mode 100644 regression_testing/cases/github-expects/case-946.html create mode 100644 regression_testing/cases/github-expects/case-946.txt diff --git a/regression_testing/cases/github-cases/case-946.conf b/regression_testing/cases/github-cases/case-946.conf new file mode 100755 index 000000000..16ee2e7d5 --- /dev/null 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Warning: <a> proprietary attribute "class" +line 10 column 880 - Warning: <a> proprietary attribute "href" +line 10 column 880 - Warning: <a> proprietary attribute "class" +line 10 column 935 - Warning: <a> proprietary attribute "target" +line 10 column 935 - Warning: <a> proprietary attribute "id" +line 10 column 935 - Warning: <a> proprietary attribute "href" +line 10 column 935 - Warning: <a> proprietary attribute "class" +line 10 column 1102 - Warning: <div> proprietary attribute "class" +line 10 column 1102 - Warning: <div> proprietary attribute "style" +line 10 column 1136 - Warning: <div> proprietary attribute "class" +line 10 column 1136 - Warning: <div> proprietary attribute "style" +line 10 column 1185 - Warning: <br> proprietary attribute "clear" +line 10 column 1185 - Warning: <br> proprietary attribute "id" +line 10 column 1211 - Warning: <div> proprietary attribute "id" +line 10 column 1225 - Warning: <img> proprietary attribute "alt" +line 10 column 1225 - Warning: <img> proprietary attribute "height" +line 10 column 1225 - Warning: <img> proprietary attribute "src" +line 10 column 1225 - Warning: <img> proprietary attribute "style" +line 10 column 1225 - Warning: <img> proprietary attribute "width" +line 10 column 1225 - Warning: <img> proprietary attribute "id" +line 10 column 1405 - Warning: <form> proprietary attribute "action" +line 10 column 1405 - Warning: <form> proprietary attribute "name" +line 10 column 1437 - Warning: <table> proprietary attribute "cellpadding" +line 10 column 1437 - Warning: <table> proprietary attribute "cellspacing" +line 10 column 1476 - Warning: <tr> proprietary attribute "valign" +line 10 column 1493 - Warning: <td> proprietary attribute "width" +line 10 column 1519 - Warning: <td> proprietary attribute "align" +line 10 column 1519 - Warning: <td> proprietary attribute "nowrap" +line 10 column 1548 - Warning: <input> proprietary attribute "name" +line 10 column 1548 - Warning: <input> proprietary attribute "value" +line 10 column 1548 - Warning: <input> proprietary attribute "type" +line 10 column 1598 - Warning: <input> proprietary attribute "value" +line 10 column 1598 - Warning: <input> proprietary attribute "name" +line 10 column 1598 - Warning: <input> proprietary attribute "type" +line 10 column 1643 - Warning: <input> proprietary attribute "name" +line 10 column 1643 - Warning: <input> proprietary attribute "type" +line 10 column 1643 - Warning: <input> proprietary attribute "value" +line 10 column 1689 - Warning: <input> proprietary attribute "name" +line 10 column 1689 - Warning: <input> proprietary attribute "type" +line 10 column 1721 - Warning: <input> proprietary attribute "name" +line 10 column 1721 - Warning: <input> proprietary attribute "type" +line 10 column 1802 - Warning: <input> proprietary attribute "class" +line 10 column 1802 - Warning: <input> proprietary attribute "style" +line 10 column 1802 - Warning: <input> proprietary attribute "autocomplete" +line 10 column 1802 - Warning: <input> proprietary attribute "value" +line 10 column 1802 - Warning: <input> proprietary attribute "title" +line 10 column 1802 - Warning: <input> proprietary attribute "maxlength" +line 10 column 1802 - Warning: <input> proprietary attribute "name" +line 10 column 1802 - Warning: <input> proprietary attribute "size" +line 10 column 1982 - Warning: <br> proprietary attribute "style" +line 10 column 2008 - Warning: <span> proprietary attribute "class" +line 10 column 2025 - Warning: <span> proprietary attribute "class" +line 10 column 2044 - Warning: <input> proprietary attribute "class" +line 10 column 2044 - Warning: <input> proprietary attribute "value" +line 10 column 2044 - Warning: <input> proprietary attribute "name" +line 10 column 2044 - Warning: <input> proprietary attribute "type" +line 10 column 2125 - Warning: <span> proprietary attribute "class" +line 10 column 2142 - Warning: <span> proprietary attribute "class" +line 10 column 2161 - Warning: <input> proprietary attribute "class" +line 10 column 2161 - Warning: <input> proprietary attribute "lue" +line 10 column 2161 - Warning: <input> proprietary attribute "name" +line 10 column 2161 - Warning: <input> proprietary attribute "type" +line 10 column 2229 - Warning: <script> proprietary attribute "nonce" +line 11 column 47 - Warning: <input> proprietary attribute "value" +line 11 column 47 - Warning: <input> proprietary attribute "name" +line 11 column 47 - Warning: <input> proprietary attribute "type" +line 11 column 207 - Warning: <a> proprietary attribute "href" +line 11 column 295 - Warning: <input> proprietary attribute "id" +line 11 column 295 - Warning: <input> proprietary attribute "name" +line 11 column 295 - Warning: <input> proprietary attribute "type" +line 11 column 295 - Warning: <input> proprietary attribute "value" +line 11 column 346 - Warning: <script> proprietary attribute "nonce" +Info: Document content looks like HTML5 +Tidy found 256 warnings and 0 errors! + +Character codes for UTF-8 must be in the range: U+0000 to U+10FFFF. +The definition of UTF-8 in Annex D of ISO/IEC 10646-1:2000 also +allows for the use of five- and six-byte sequences to encode +characters that are outside the range of the Unicode character set; +those five- and six-byte sequences are illegal for the use of +UTF-8 as a transformation of Unicode characters. ISO/IEC 10646 +does not allow mapping of unpaired surrogates, nor U+FFFE and U+FFFF +(but it does allow other noncharacters). For more information please refer to +https://home.unicode.org/ and https://www.cl.cam.ac.uk/~mgk25/unicode.html + +The alt attribute should be used to give a short description +of an image; longer descriptions should be given with the +longdesc attribute which takes a URL linked to the description. +These measures are needed for people using non-graphical browsers. + +For hypertext links defined using a client-side image map, you +need to use the alt attribute to provide a textual description +of the link for people using non-graphical browsers. + +For further advice on how to make your pages accessible +see https://www.w3.org/WAI/GL. +You are recommended to use CSS to control line wrapping. +Use "white-space: nowrap" to inhibit wrapping in place +of inserting <NOBR>...</NOBR> into the markup. + +One or more empty elements were present in the source document but +dropped on output. If these elements are necessary or you don't want +this behavior, then consider setting the option "drop-empty-elements" +to no. + +About HTML Tidy: https://github.com/htacg/tidy-html5 +Bug reports and comments: https://github.com/htacg/tidy-html5/issues +Official mailing list: https://lists.w3.org/Archives/Public/public-htacg/ +Latest HTML specification: https://html.spec.whatwg.org/multipage/ +Validate your HTML documents: https://validator.w3.org/nu/ +Lobby your company to join the W3C: https://www.w3.org/Consortium + +Do you speak a language other than English, or a different variant of +English? Consider helping us to localize HTML Tidy. For details please see +https://github.com/htacg/tidy-html5/blob/master/README/LOCALIZE.md diff --git a/src/gdoc.c b/src/gdoc.c index 50cd9bc33..8f5f8ffd7 100644 --- a/src/gdoc.c +++ b/src/gdoc.c @@ -96,14 +96,15 @@ static void DiscardContainer( TidyDocImpl* doc, Node *element, Node **pnode) static void CleanNode( TidyDocImpl* doc, Node *node ) { + Stack *stack = TY_(newStack)(doc, 16); Node *child, *next; - if (node->content) + if ( (child = node->content) ) { - for (child = node->content; child != NULL; child = next) + while (child) { next = child->next; - + if (TY_(nodeIsElement)(child)) { if (nodeIsSTYLE(child)) @@ -131,10 +132,14 @@ static void CleanNode( TidyDocImpl* doc, Node *node ) if (child->attributes) TY_(DropAttrByName)( doc, child, "class" ); - CleanNode(doc, child); + TY_(push)(stack,next); + child = child->content; + continue; } } + child = next ? next : TY_(pop)(stack); } + TY_(freeStack)(stack); } } diff --git a/version.txt b/version.txt index 3ff913e61..76a976e5a 100644 --- a/version.txt +++ b/version.txt @@ -1,2 +1,2 @@ -5.9.7 -2021.07.30 +5.9.8 +2021.07.31