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Diffstat (limited to 'parser/htmlparser/nsElementTable.cpp')
| -rw-r--r-- | parser/htmlparser/nsElementTable.cpp | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/parser/htmlparser/nsElementTable.cpp b/parser/htmlparser/nsElementTable.cpp new file mode 100644 index 0000000000..e6bf6b8dae --- /dev/null +++ b/parser/htmlparser/nsElementTable.cpp @@ -0,0 +1,205 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsElementTable.h" + +struct HTMLElement { +#ifdef DEBUG + nsHTMLTag mTagID; +#endif + bool mIsBlock; + bool mIsContainer; +}; + +#ifdef DEBUG +# define ELEM(tag, block, container) {eHTMLTag_##tag, block, container}, +#else +# define ELEM(tag, block, container) {block, container}, +#endif + +#define ____ false // This makes the table easier to read. + +// Note that the mIsBlock field disagrees with +// https://developer.mozilla.org/en-US/docs/Web/HTML/Block-level_elements for +// the following elements: center, details, dialog, dir, dt, figcaption, +// listing, menu, multicol, noscript, output, summary, tfoot, video. +// +// mrbkap thinks that the field values were pulled from the old HTML4 DTD and +// then got modified in mostly random ways to make the old parser's behavior +// compatible with the web. So it might make sense to change the mIsBlock +// values for the abovementioned tags at some point. +// +static const HTMLElement gHTMLElements[] = { + // clang-format off + ELEM(unknown, ____, ____) + ELEM(a, ____, true) + ELEM(abbr, ____, true) + ELEM(acronym, ____, true) + ELEM(address, true, true) + ELEM(applet, ____, true) + ELEM(area, ____, ____) + ELEM(article, true, true) + ELEM(aside, true, true) + ELEM(audio, ____, true) + ELEM(b, ____, true) + ELEM(base, ____, ____) + ELEM(basefont, ____, ____) + ELEM(bdi, ____, true) + ELEM(bdo, ____, true) + ELEM(bgsound, ____, ____) + ELEM(big, ____, true) + ELEM(blockquote, true, true) + ELEM(body, ____, true) + ELEM(br, ____, ____) + ELEM(button, ____, true) + ELEM(canvas, ____, true) + ELEM(caption, ____, true) + ELEM(center, true, true) + ELEM(cite, ____, true) + ELEM(code, ____, true) + ELEM(col, ____, ____) + ELEM(colgroup, ____, true) + ELEM(data, ____, true) + ELEM(datalist, ____, true) + ELEM(dd, ____, true) + ELEM(del, ____, true) + ELEM(details, true, true) + ELEM(dfn, ____, true) + ELEM(dialog, true, true) + ELEM(dir, true, true) + ELEM(div, true, true) + ELEM(dl, true, true) + ELEM(dt, ____, true) + ELEM(em, ____, true) + ELEM(embed, ____, ____) + ELEM(fieldset, true, true) + ELEM(figcaption, ____, true) + ELEM(figure, true, true) + ELEM(font, ____, true) + ELEM(footer, true, true) + ELEM(form, true, true) + ELEM(frame, ____, ____) + ELEM(frameset, ____, true) + ELEM(h1, true, true) + ELEM(h2, true, true) + ELEM(h3, true, true) + ELEM(h4, true, true) + ELEM(h5, true, true) + ELEM(h6, true, true) + ELEM(head, ____, true) + ELEM(header, true, true) + ELEM(hgroup, true, true) + ELEM(hr, true, ____) + ELEM(html, ____, true) + ELEM(i, ____, true) + ELEM(iframe, ____, true) + ELEM(image, ____, ____) + ELEM(img, ____, ____) + ELEM(input, ____, ____) + ELEM(ins, ____, true) + ELEM(kbd, ____, true) + ELEM(keygen, ____, ____) + ELEM(label, ____, true) + ELEM(legend, ____, true) + ELEM(li, true, true) + ELEM(link, ____, ____) + ELEM(listing, true, true) + ELEM(main, true, true) + ELEM(map, ____, true) + ELEM(mark, ____, true) + ELEM(marquee, ____, true) + ELEM(menu, true, true) + ELEM(meta, ____, ____) + ELEM(meter, ____, true) + ELEM(multicol, true, true) + ELEM(nav, true, true) + ELEM(nobr, ____, true) + ELEM(noembed, ____, true) + ELEM(noframes, ____, true) + ELEM(noscript, ____, true) + ELEM(object, ____, true) + ELEM(ol, true, true) + ELEM(optgroup, ____, true) + ELEM(option, ____, true) + ELEM(output, ____, true) + ELEM(p, true, true) + ELEM(param, ____, ____) + ELEM(picture, ____, true) + ELEM(plaintext, ____, true) + ELEM(pre, true, true) + ELEM(progress, ____, true) + ELEM(q, ____, true) + ELEM(rb, ____, true) + ELEM(rp, ____, true) + ELEM(rt, ____, true) + ELEM(rtc, ____, true) + ELEM(ruby, ____, true) + ELEM(s, ____, true) + ELEM(samp, ____, true) + ELEM(script, ____, true) + ELEM(section, true, true) + ELEM(select, ____, true) + ELEM(small, ____, true) + ELEM(slot, ____, true) + ELEM(source, ____, ____) + ELEM(span, ____, true) + ELEM(strike, ____, true) + ELEM(strong, ____, true) + ELEM(style, ____, true) + ELEM(sub, ____, true) + ELEM(summary, true, true) + ELEM(sup, ____, true) + ELEM(table, true, true) + ELEM(tbody, ____, true) + ELEM(td, ____, true) + ELEM(textarea, ____, true) + ELEM(tfoot, ____, true) + ELEM(th, ____, true) + ELEM(thead, ____, true) + ELEM(template, ____, true) + ELEM(time, ____, true) + ELEM(title, ____, true) + ELEM(tr, ____, true) + ELEM(track, ____, ____) + ELEM(tt, ____, true) + ELEM(u, ____, true) + ELEM(ul, true, true) + ELEM(var, ____, true) + ELEM(video, ____, true) + ELEM(wbr, ____, ____) + ELEM(xmp, ____, true) + ELEM(text, ____, ____) + ELEM(whitespace, ____, ____) + ELEM(newline, ____, ____) + ELEM(comment, ____, true) + ELEM(entity, ____, true) + ELEM(doctypeDecl, ____, true) + ELEM(markupDecl, ____, true) + ELEM(instruction, ____, true) + ELEM(userdefined, ____, true) + // clang-format on +}; + +#undef ELEM +#undef ____ + +bool nsHTMLElement::IsContainer(nsHTMLTag aId) { + return gHTMLElements[aId].mIsContainer; +} + +bool nsHTMLElement::IsBlock(nsHTMLTag aId) { + return gHTMLElements[aId].mIsBlock; +} + +#ifdef DEBUG +void CheckElementTable() { + for (nsHTMLTag t = eHTMLTag_unknown; t <= eHTMLTag_userdefined; + t = nsHTMLTag(t + 1)) { + MOZ_ASSERT(gHTMLElements[t].mTagID == t, + "gHTMLElements entries does match tag list."); + } +} +#endif |