/* 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(search,          true, true)
  ELEM(section,         true, true)
  ELEM(select,          ____, true)
  ELEM(selectedcontent, ____, 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