gecko-dev/parser/htmlparser/nsElementTable.cpp
Nicholas Nethercote 5954b79cd8 Bug 1395828 (part 1) - Add nsHTMLElement::IsBlock(). r=mrbkap.
This mirrors the existing nsHTMLElement::IsContainer() function.

--HG--
extra : rebase_source : ae511983f799a971981b81ad4df8557a185d281b
2017-09-01 19:38:09 +10:00

204 lines
9.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 sw=2 et tw=78: */
/* 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 "nsIAtom.h"
#include "nsElementTable.h"
/*****************************************************************************
Now it's time to list all the html elements all with their capabilities...
******************************************************************************/
// The Element Table (sung to the tune of Modern Major General)
#ifdef DEBUG
#define ELEM(tag, parent, leaf) { eHTMLTag_##tag, parent, leaf },
#else
#define ELEM(tag, parent, leaf) { parent, leaf },
#endif
const nsHTMLElement gHTMLElements[] = {
ELEM(unknown, kNone, true)
ELEM(a, kSpecial, false)
ELEM(abbr, kPhrase, false)
ELEM(acronym, kPhrase, false)
ELEM(address, kBlock, false)
ELEM(applet, kSpecial, false)
ELEM(area, kNone, true)
ELEM(article, kBlock, false)
ELEM(aside, kBlock, false)
ELEM(audio, kSpecial, false)
ELEM(b, kFontStyle, false)
ELEM(base, kHeadContent, true)
ELEM(basefont, kSpecial, true)
ELEM(bdo, kSpecial, false)
ELEM(bgsound, (kFlowEntity|kHeadMisc), true)
ELEM(big, kFontStyle, false)
ELEM(blockquote, kBlock, false)
ELEM(body, kHTMLContent, false)
ELEM(br, kSpecial, true)
ELEM(button, kFormControl, false)
ELEM(canvas, kSpecial, false)
ELEM(caption, kNone, false)
ELEM(center, kBlock, false)
ELEM(cite, kPhrase, false)
ELEM(code, kPhrase, false)
ELEM(col, kNone, true)
ELEM(colgroup, kNone, false)
ELEM(content, kNone, false)
ELEM(data, kPhrase, false)
ELEM(datalist, kSpecial, false)
ELEM(dd, kInlineEntity, false)
ELEM(del, kFlowEntity, false)
ELEM(details, kBlock, false)
ELEM(dfn, kPhrase, false)
ELEM(dialog, kBlock, false)
ELEM(dir, kList, false)
ELEM(div, kBlock, false)
ELEM(dl, kBlock, false)
ELEM(dt, kInlineEntity, false)
ELEM(em, kPhrase, false)
ELEM(embed, kSpecial, true)
ELEM(fieldset, kBlock, false)
ELEM(figcaption, kPhrase, false)
ELEM(figure, kBlock, false)
ELEM(font, kFontStyle, false)
ELEM(footer, kBlock, false)
ELEM(form, kBlock, false)
ELEM(frame, kNone, true)
ELEM(frameset, kHTMLContent, false)
ELEM(h1, kHeading, false)
ELEM(h2, kHeading, false)
ELEM(h3, kHeading, false)
ELEM(h4, kHeading, false)
ELEM(h5, kHeading, false)
ELEM(h6, kHeading, false)
ELEM(head, kHTMLContent, false)
ELEM(header, kBlock, false)
ELEM(hgroup, kBlock, false)
ELEM(hr, kBlock, true)
ELEM(html, kNone, false)
ELEM(i, kFontStyle, false)
ELEM(iframe, kSpecial, false)
ELEM(image, kSpecial, true)
ELEM(img, kSpecial, true)
ELEM(input, kFormControl, true)
ELEM(ins, kFlowEntity, false)
ELEM(kbd, kPhrase, false)
ELEM(keygen, kFlowEntity, true)
ELEM(label, kFormControl, false)
ELEM(legend, kNone, false)
ELEM(li, kBlockEntity, false)
ELEM(link, kAllTags - kHeadContent, true)
ELEM(listing, kPreformatted, false)
ELEM(main, kBlock, false)
ELEM(map, kSpecial, false)
ELEM(mark, kSpecial, false)
ELEM(marquee, kSpecial, false)
ELEM(menu, kList, false)
ELEM(menuitem, kFlowEntity, false)
ELEM(meta, kHeadContent, true)
ELEM(meter, kFormControl, false)
ELEM(multicol, kBlock, false)
ELEM(nav, kBlock, false)
ELEM(nobr, kExtensions, false)
ELEM(noembed, kFlowEntity, false)
ELEM(noframes, kFlowEntity, false)
ELEM(noscript, kFlowEntity|kHeadMisc, false)
ELEM(object, kSpecial, false)
ELEM(ol, kList, false)
ELEM(optgroup, kNone, false)
ELEM(option, kNone, false)
ELEM(output, kSpecial, false)
ELEM(p, kBlock, false)
ELEM(param, kSpecial, true)
ELEM(picture, kSpecial, false)
ELEM(plaintext, kExtensions, false)
ELEM(pre, kBlock|kPreformatted, false)
ELEM(progress, kFormControl, false)
ELEM(q, kSpecial, false)
ELEM(rb, kPhrase, false)
ELEM(rp, kPhrase, false)
ELEM(rt, kPhrase, false)
ELEM(rtc, kPhrase, false)
ELEM(ruby, kPhrase, false)
ELEM(s, kFontStyle, false)
ELEM(samp, kPhrase, false)
ELEM(script, (kSpecial|kHeadContent), false)
ELEM(section, kBlock, false)
ELEM(select, kFormControl, false)
ELEM(shadow, kFlowEntity, false)
ELEM(small, kFontStyle, false)
ELEM(source, kSpecial, true)
ELEM(span, kSpecial, false)
ELEM(strike, kFontStyle, false)
ELEM(strong, kPhrase, false)
ELEM(style, kAllTags - kHeadContent, false)
ELEM(sub, kSpecial, false)
ELEM(summary, kBlock, false)
ELEM(sup, kSpecial, false)
ELEM(table, kBlock, false)
ELEM(tbody, kNone, false)
ELEM(td, kNone, false)
ELEM(textarea, kFormControl, false)
ELEM(tfoot, kNone, false)
ELEM(th, kNone, false)
ELEM(thead, kNone, false)
ELEM(template, kNone, false)
ELEM(time, kPhrase, false)
ELEM(title, kHeadContent, false)
ELEM(tr, kNone, false)
ELEM(track, kSpecial, true)
ELEM(tt, kFontStyle, false)
ELEM(u, kFontStyle, false)
ELEM(ul, kList, false)
ELEM(var, kPhrase, false)
ELEM(video, kSpecial, false)
ELEM(wbr, kExtensions, true)
ELEM(xmp, kInlineEntity|kPreformatted, false)
ELEM(text, kFlowEntity, true)
ELEM(whitespace, kFlowEntity|kHeadMisc, true)
ELEM(newline, kFlowEntity|kHeadMisc, true)
ELEM(comment, kFlowEntity|kHeadMisc, false)
ELEM(entity, kFlowEntity, false)
ELEM(doctypeDecl, kFlowEntity, false)
ELEM(markupDecl, kFlowEntity, false)
ELEM(instruction, kFlowEntity, false)
ELEM(userdefined, (kFlowEntity|kHeadMisc), false)
};
#undef ELEM
/*********************************************************************************************/
bool nsHTMLElement::IsMemberOf(int32_t aSet) const
{
return TestBits(aSet, mParentBits);
}
bool nsHTMLElement::IsContainer(eHTMLTags aId)
{
return !gHTMLElements[aId].mLeaf;
}
bool nsHTMLElement::IsBlock(eHTMLTags aId)
{
return gHTMLElements[aId].IsMemberOf(kBlock) ||
gHTMLElements[aId].IsMemberOf(kBlockEntity) ||
gHTMLElements[aId].IsMemberOf(kHeading) ||
gHTMLElements[aId].IsMemberOf(kPreformatted)||
gHTMLElements[aId].IsMemberOf(kList);
}
#ifdef DEBUG
void CheckElementTable()
{
for (eHTMLTags t = eHTMLTag_unknown; t <= eHTMLTag_userdefined; t = eHTMLTags(t + 1)) {
NS_ASSERTION(gHTMLElements[t].mTagID == t, "gHTMLElements entries does match tag list.");
}
}
#endif