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