forked from mirrors/gecko-dev
232 lines
11 KiB
C++
232 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=78: */
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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 "nsIAtom.h"
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#include "nsElementTable.h"
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static const int kNone= 0x0;
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static const int kHTMLContent = 0x0001; // HEAD, (FRAMESET | BODY)
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static const int kHeadContent = 0x0002; // Elements that *must* be in the head.
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static const int kHeadMisc = 0x0004; // Elements that *can* be in the head.
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static const int kSpecial = 0x0008; // A, IMG, APPLET, OBJECT, FONT, BASEFONT, BR, SCRIPT,
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// MAP, Q, SUB, SUP, SPAN, BDO, IFRAME
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static const int kFormControl = 0x0010; // INPUT SELECT TEXTAREA LABEL BUTTON
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static const int kPreformatted = 0x0020; // PRE
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static const int kPreExclusion = 0x0040; // IMG, OBJECT, APPLET, BIG, SMALL, SUB, SUP, FONT, BASEFONT
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static const int kFontStyle = 0x0080; // TT, I, B, U, S, STRIKE, BIG, SMALL
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static const int kPhrase = 0x0100; // EM, STRONG, DFN, CODE, SAMP, KBD, VAR, CITE, ABBR, ACRONYM
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static const int kHeading = 0x0200; // H1..H6
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static const int kBlockMisc = 0x0400; // OBJECT, SCRIPT
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static const int kBlock = 0x0800; // ADDRESS, BLOCKQUOTE, CENTER, DIV, DL, FIELDSET, FORM,
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// ISINDEX, HR, NOSCRIPT, NOFRAMES, P, TABLE
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static const int kList = 0x1000; // UL, OL, DIR, MENU
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static const int kPCDATA = 0x2000; // plain text and entities...
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static const int kSelf = 0x4000; // whatever THIS tag is...
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static const int kExtensions = 0x8000; // BGSOUND, WBR, NOBR
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static const int kTable = 0x10000;// TR,TD,THEAD,TBODY,TFOOT,CAPTION,TH
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static const int kDLChild = 0x20000;// DL, DT
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static const int kCDATA = 0x40000;// just plain text...
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static const int kInlineEntity = (kPCDATA|kFontStyle|kPhrase|kSpecial|kFormControl|kExtensions); // #PCDATA, %fontstyle, %phrase, %special, %formctrl
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static const int kBlockEntity = (kHeading|kList|kPreformatted|kBlock); // %heading, %list, %preformatted, %block
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static const int kFlowEntity = (kBlockEntity|kInlineEntity); // %blockentity, %inlineentity
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static const int kAllTags = 0xffffff;
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#ifdef DEBUG
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#define ELEM(tag, parent, leaf) { eHTMLTag_##tag, parent, leaf },
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#else
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#define ELEM(tag, parent, leaf) { parent, leaf },
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#endif
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static const nsHTMLElement gHTMLElements[] = {
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ELEM(unknown, kNone, true)
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ELEM(a, kSpecial, false)
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ELEM(abbr, kPhrase, false)
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ELEM(acronym, kPhrase, false)
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ELEM(address, kBlock, false)
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ELEM(applet, kSpecial, false)
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ELEM(area, kNone, true)
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ELEM(article, kBlock, false)
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ELEM(aside, kBlock, false)
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ELEM(audio, kSpecial, false)
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ELEM(b, kFontStyle, false)
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ELEM(base, kHeadContent, true)
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ELEM(basefont, kSpecial, true)
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ELEM(bdo, kSpecial, false)
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ELEM(bgsound, (kFlowEntity|kHeadMisc), true)
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ELEM(big, kFontStyle, false)
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ELEM(blockquote, kBlock, false)
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ELEM(body, kHTMLContent, false)
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ELEM(br, kSpecial, true)
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ELEM(button, kFormControl, false)
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ELEM(canvas, kSpecial, false)
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ELEM(caption, kNone, false)
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ELEM(center, kBlock, false)
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ELEM(cite, kPhrase, false)
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ELEM(code, kPhrase, false)
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ELEM(col, kNone, true)
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ELEM(colgroup, kNone, false)
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ELEM(content, kNone, false)
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ELEM(data, kPhrase, false)
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ELEM(datalist, kSpecial, false)
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ELEM(dd, kInlineEntity, false)
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ELEM(del, kFlowEntity, false)
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ELEM(details, kBlock, false)
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ELEM(dfn, kPhrase, false)
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ELEM(dialog, kBlock, false)
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ELEM(dir, kList, false)
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ELEM(div, kBlock, false)
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ELEM(dl, kBlock, false)
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ELEM(dt, kInlineEntity, false)
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ELEM(em, kPhrase, false)
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ELEM(embed, kSpecial, true)
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ELEM(fieldset, kBlock, false)
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ELEM(figcaption, kPhrase, false)
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ELEM(figure, kBlock, false)
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ELEM(font, kFontStyle, false)
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ELEM(footer, kBlock, false)
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ELEM(form, kBlock, false)
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ELEM(frame, kNone, true)
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ELEM(frameset, kHTMLContent, false)
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ELEM(h1, kHeading, false)
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ELEM(h2, kHeading, false)
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ELEM(h3, kHeading, false)
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ELEM(h4, kHeading, false)
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ELEM(h5, kHeading, false)
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ELEM(h6, kHeading, false)
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ELEM(head, kHTMLContent, false)
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ELEM(header, kBlock, false)
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ELEM(hgroup, kBlock, false)
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ELEM(hr, kBlock, true)
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ELEM(html, kNone, false)
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ELEM(i, kFontStyle, false)
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ELEM(iframe, kSpecial, false)
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ELEM(image, kSpecial, true)
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ELEM(img, kSpecial, true)
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ELEM(input, kFormControl, true)
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ELEM(ins, kFlowEntity, false)
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ELEM(kbd, kPhrase, false)
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ELEM(keygen, kFlowEntity, true)
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ELEM(label, kFormControl, false)
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ELEM(legend, kNone, false)
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ELEM(li, kBlockEntity, false)
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ELEM(link, kAllTags - kHeadContent, true)
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ELEM(listing, kPreformatted, false)
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ELEM(main, kBlock, false)
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ELEM(map, kSpecial, false)
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ELEM(mark, kSpecial, false)
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ELEM(marquee, kSpecial, false)
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ELEM(menu, kList, false)
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ELEM(menuitem, kFlowEntity, false)
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ELEM(meta, kHeadContent, true)
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ELEM(meter, kFormControl, false)
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ELEM(multicol, kBlock, false)
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ELEM(nav, kBlock, false)
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ELEM(nobr, kExtensions, false)
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ELEM(noembed, kFlowEntity, false)
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ELEM(noframes, kFlowEntity, false)
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ELEM(noscript, kFlowEntity|kHeadMisc, false)
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ELEM(object, kSpecial, false)
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ELEM(ol, kList, false)
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ELEM(optgroup, kNone, false)
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ELEM(option, kNone, false)
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ELEM(output, kSpecial, false)
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ELEM(p, kBlock, false)
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ELEM(param, kSpecial, true)
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ELEM(picture, kSpecial, false)
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ELEM(plaintext, kExtensions, false)
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ELEM(pre, kBlock|kPreformatted, false)
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ELEM(progress, kFormControl, false)
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ELEM(q, kSpecial, false)
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ELEM(rb, kPhrase, false)
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ELEM(rp, kPhrase, false)
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ELEM(rt, kPhrase, false)
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ELEM(rtc, kPhrase, false)
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ELEM(ruby, kPhrase, false)
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ELEM(s, kFontStyle, false)
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ELEM(samp, kPhrase, false)
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ELEM(script, (kSpecial|kHeadContent), false)
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ELEM(section, kBlock, false)
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ELEM(select, kFormControl, false)
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ELEM(shadow, kFlowEntity, false)
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ELEM(small, kFontStyle, false)
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ELEM(source, kSpecial, true)
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ELEM(span, kSpecial, false)
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ELEM(strike, kFontStyle, false)
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ELEM(strong, kPhrase, false)
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ELEM(style, kAllTags - kHeadContent, false)
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ELEM(sub, kSpecial, false)
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ELEM(summary, kBlock, false)
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ELEM(sup, kSpecial, false)
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ELEM(table, kBlock, false)
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ELEM(tbody, kNone, false)
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ELEM(td, kNone, false)
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ELEM(textarea, kFormControl, false)
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ELEM(tfoot, kNone, false)
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ELEM(th, kNone, false)
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ELEM(thead, kNone, false)
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ELEM(template, kNone, false)
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ELEM(time, kPhrase, false)
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ELEM(title, kHeadContent, false)
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ELEM(tr, kNone, false)
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ELEM(track, kSpecial, true)
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ELEM(tt, kFontStyle, false)
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ELEM(u, kFontStyle, false)
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ELEM(ul, kList, false)
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ELEM(var, kPhrase, false)
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ELEM(video, kSpecial, false)
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ELEM(wbr, kExtensions, true)
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ELEM(xmp, kInlineEntity|kPreformatted, false)
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ELEM(text, kFlowEntity, true)
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ELEM(whitespace, kFlowEntity|kHeadMisc, true)
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ELEM(newline, kFlowEntity|kHeadMisc, true)
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ELEM(comment, kFlowEntity|kHeadMisc, false)
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ELEM(entity, kFlowEntity, false)
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ELEM(doctypeDecl, kFlowEntity, false)
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ELEM(markupDecl, kFlowEntity, false)
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ELEM(instruction, kFlowEntity, false)
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ELEM(userdefined, (kFlowEntity|kHeadMisc), false)
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};
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#undef ELEM
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/*********************************************************************************************/
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bool nsHTMLElement::IsMemberOf(int32_t aSet) const
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{
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return TestBits(aSet, mParentBits);
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}
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bool nsHTMLElement::IsContainer(nsHTMLTag aId)
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{
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return !gHTMLElements[aId].mLeaf;
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}
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bool nsHTMLElement::IsBlock(nsHTMLTag aId)
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{
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return gHTMLElements[aId].IsMemberOf(kBlock) ||
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gHTMLElements[aId].IsMemberOf(kBlockEntity) ||
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gHTMLElements[aId].IsMemberOf(kHeading) ||
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gHTMLElements[aId].IsMemberOf(kPreformatted)||
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gHTMLElements[aId].IsMemberOf(kList);
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}
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#ifdef DEBUG
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void 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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NS_ASSERTION(gHTMLElements[t].mTagID == t, "gHTMLElements entries does match tag list.");
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}
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}
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#endif
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