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package it.unimi.dsi.parser;
/*
* DSI utilities
*
* Copyright (C) 2005-2017 Sebastiano Vigna
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see .
*
*/
import it.unimi.dsi.fastutil.Hash;
import it.unimi.dsi.fastutil.objects.ReferenceLinkedOpenHashSet;
import it.unimi.dsi.lang.MutableString;
/** An HTML element type. */
public final class Element {
/** The name of the type of this element. */
public final CharSequence name;
/** The length of {@link #name}. */
public final int nameLength;
/** Whether this element breaks the flow. */
public final boolean breaksFlow;
/** Whether this element is simple. */
public final boolean isSimple;
/** Whether this element has implicit closure. */
public final boolean isImplicit;
/** The content model for this element. */
final ReferenceLinkedOpenHashSet contentModel;
/** Creates a new element with the specified name.
* The element is assumed to break the flow,
* and neither being simple nor having implicit closure.
*
* @param name the name of the type of the new element.
*/
public Element(final CharSequence name) {
this(name, true, false, false);
}
/** Creates a new element with the specified name and flags.
* The element is assumed not to have implicit closure.
*
* @param name the name of the type of the new element.
* @param breaksFlow true if this elements breaks the flow.
* @param isSimple true if this element is simple.
*/
public Element(final CharSequence name, final boolean breaksFlow, final boolean isSimple) {
this(name, breaksFlow, isSimple, false);
}
/** Creates a new element.
*
* @param name the name of the type of the new element.
* @param breaksFlow true if this elements breaks the flow.
* @param isSimple true if this element is simple.
* @param isImplicit true if this element has implicit closure.
*/
public Element(final CharSequence name, final boolean breaksFlow, final boolean isSimple, final boolean isImplicit) {
this.name = new MutableString(name);
this.nameLength = name.length();
this.breaksFlow = breaksFlow;
this.isSimple = isSimple;
this.isImplicit = isImplicit;
this.contentModel = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
}
/** Returns the name of this element.
* @return the name of this element.
*/
@Override
public String toString() {
return name.toString();
}
/* --- Tag Names ----------------------------------- */
public static final Element A = HTMLFactory.newElement("a");
public static final Element ABBR = HTMLFactory.newElement("abbr");
public static final Element ACRONYM = HTMLFactory.newElement("acronym");
public static final Element ADDRESS = HTMLFactory.newElement("address");
// deprecated
public static final Element APPLET = HTMLFactory.newElement("applet");
// forbidden
public static final Element AREA = HTMLFactory.newElement("area", true, true);
// flowMaintainer
public static final Element B = HTMLFactory.newElement("b", false, false);
// forbidden
public static final Element BASE = HTMLFactory.newElement("base", true, true, false);
// flowMaintainer, forbidden, deprecated
public static final Element BASEFONT = HTMLFactory.newElement("basefont", false, true);
public static final Element BDO = HTMLFactory.newElement("bdo");
// flowMaintainer
public static final Element BIG = HTMLFactory.newElement("big", false, false);
public static final Element BLOCKQUOTE = HTMLFactory.newElement("blockquote");
// 2optional --- even opening is optiona
public static final Element BODY = HTMLFactory.newElement("body", true, false, true);
// forbidden
public static final Element BR = HTMLFactory.newElement("br", true, true);
public static final Element BUTTON = HTMLFactory.newElement("button");
public static final Element CAPTION = HTMLFactory.newElement("caption");
/*Deprecated*/ public static final Element CENTER = HTMLFactory.newElement("center");
public static final Element CITE = HTMLFactory.newElement("cite");
// flowMaintainer
public static final Element CODE = HTMLFactory.newElement("code", false, false);
// forbidden
public static final Element COL = HTMLFactory.newElement("col", true, true);
// optional
public static final Element COLGROUP = HTMLFactory.newElement("colgroup", true, false, true);
// optional
public static final Element DD = HTMLFactory.newElement("dd", true, false, true);
public static final Element DEL = HTMLFactory.newElement("del");
public static final Element DFN = HTMLFactory.newElement("dfn");
/*Deprecated*/ public static final Element DIR = HTMLFactory.newElement("dir");
public static final Element DIV = HTMLFactory.newElement("div");
public static final Element DL = HTMLFactory.newElement("dl");
// optional
public static final Element DT = HTMLFactory.newElement("dt", true, false, true);
// flowMaintainer
public static final Element EM = HTMLFactory.newElement("em", false, false);
// Nonstandard
public static final Element EMBED = HTMLFactory.newElement("embed", false, false);
public static final Element FIELDSET = HTMLFactory.newElement("fieldset");
// flowMaintainer
/*Deprecated*/ public static final Element FONT = HTMLFactory.newElement("font", false, false);
public static final Element FORM = HTMLFactory.newElement("form");
// forbidden
public static final Element FRAME = HTMLFactory.newElement("frame", true, true);
public static final Element FRAMESET = HTMLFactory.newElement("frameset");
public static final Element H1 = HTMLFactory.newElement("h1");
public static final Element H2 = HTMLFactory.newElement("h2");
public static final Element H3 = HTMLFactory.newElement("h3");
public static final Element H4 = HTMLFactory.newElement("h4");
public static final Element H5 = HTMLFactory.newElement("h5");
public static final Element H6 = HTMLFactory.newElement("h6");
// 2optional --- even opening is optional
public static final Element HEAD = HTMLFactory.newElement("head", true, false, true);
// forbidden
public static final Element HR = HTMLFactory.newElement("hr", true, true);
// 2optional --- even opening is optional
public static final Element HTML = HTMLFactory.newElement("html", true, false, true);
// flowMaintainer
public static final Element I = HTMLFactory.newElement("i", false, false);
public static final Element IFRAME = HTMLFactory.newElement("iframe");
// flowMaintainer, forbidden
public static final Element IMG = HTMLFactory.newElement("img", false, true);
// forbidden
public static final Element INPUT = HTMLFactory.newElement("input", true, true);
public static final Element INS = HTMLFactory.newElement("ins");
// forbidden, deprecated
public static final Element ISINDEX = HTMLFactory.newElement("isindex", true, true);
public static final Element KBD = HTMLFactory.newElement("kbd");
public static final Element LABEL = HTMLFactory.newElement("label");
public static final Element LEGEND = HTMLFactory.newElement("legend");
// optional
public static final Element LI = HTMLFactory.newElement("li", true, false, true);
// forbidden
public static final Element LINK = HTMLFactory.newElement("link", true, true);
public static final Element MAP = HTMLFactory.newElement("map");
public static final Element MENU = HTMLFactory.newElement("menu");
// forbidden
public static final Element META = HTMLFactory.newElement("meta", true, true);
public static final Element NOFRAMES = HTMLFactory.newElement("noframes");
public static final Element NOSCRIPT = HTMLFactory.newElement("noscript");
public static final Element OBJECT = HTMLFactory.newElement("object");
public static final Element OL = HTMLFactory.newElement("ol");
// optional
public static final Element OPTION = HTMLFactory.newElement("option", true, false, true);
public static final Element OPTGROUP = HTMLFactory.newElement("optgroup");
// optional
public static final Element P = HTMLFactory.newElement("p", true, false, true);
// forbidden
public static final Element PARAM = HTMLFactory.newElement("param", true, true);
public static final Element PRE = HTMLFactory.newElement("pre");
public static final Element Q = HTMLFactory.newElement("q");
// flowMaintainer
public static final Element SAMP = HTMLFactory.newElement("samp", false, false);
public static final Element SCRIPT = HTMLFactory.newElement("script");
public static final Element SELECT = HTMLFactory.newElement("select");
// flowMaintainer
public static final Element SMALL = HTMLFactory.newElement("small", false, false);
// flowMaintainer
public static final Element SPAN = HTMLFactory.newElement("span", false, false);
// flowMaintainer, deprecated
public static final Element STRIKE = HTMLFactory.newElement("strike", false, false);
// flowMaintainer, deprecated
public static final Element S = HTMLFactory.newElement("s", false, false);
// flowMaintainer
public static final Element STRONG = HTMLFactory.newElement("strong", false, false);
public static final Element STYLE = HTMLFactory.newElement("style");
public static final Element SUB = HTMLFactory.newElement("sub");
public static final Element SUP = HTMLFactory.newElement("sup");
public static final Element TABLE = HTMLFactory.newElement("table");
// 2optional --- even opening is optional
public static final Element TBODY = HTMLFactory.newElement("tbody", true, false, true);
// optional
public static final Element TD = HTMLFactory.newElement("td", true, false, true);
public static final Element TEXTAREA = HTMLFactory.newElement("textarea");
// optional
public static final Element TFOOT = HTMLFactory.newElement("tfoot", true, false, true);
// optional
public static final Element TH = HTMLFactory.newElement("th", true, false, true);
// optional
public static final Element THEAD = HTMLFactory.newElement("thead", true, false, true);
public static final Element TITLE = HTMLFactory.newElement("title");
// optional
public static final Element TR = HTMLFactory.newElement("tr", true, false, true);
// flowMaintainer
public static final Element TT = HTMLFactory.newElement("tt", false, false);
// flowMaintainer, deprecated
public static final Element U = HTMLFactory.newElement("u", false, false);
public static final Element UL = HTMLFactory.newElement("ul");
public static final Element VAR = HTMLFactory.newElement("var");
public static final Element UNKNOWN = HTMLFactory.newElement("unknown");
private static final ReferenceLinkedOpenHashSet HEADING = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
private static final ReferenceLinkedOpenHashSet LIST = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
private static final ReferenceLinkedOpenHashSet PREFORMATTED = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
private static final ReferenceLinkedOpenHashSet FONTSTYLE = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
private static final ReferenceLinkedOpenHashSet PHRASE = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
private static final ReferenceLinkedOpenHashSet SPECIAL = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
private static final ReferenceLinkedOpenHashSet FORM_CONTROL = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
private static final ReferenceLinkedOpenHashSet INLINE = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
private static final ReferenceLinkedOpenHashSet BLOCK = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
private static final ReferenceLinkedOpenHashSet FLOW = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
private static final ReferenceLinkedOpenHashSet PRE_EXCLUSION = new ReferenceLinkedOpenHashSet<>(Hash.DEFAULT_INITIAL_SIZE, .5f);
static {
// We define sets for several entities contained in the HTML 4.01 loose DTD (http://www.w3.org/TR/html4/loose.dtd).
/* */
HEADING.add(Element.H1);
HEADING.add(Element.H2);
HEADING.add(Element.H3);
HEADING.add(Element.H4);
HEADING.add(Element.H5);
HEADING.add(Element.H6);
/* */
LIST.add(Element.UL);
LIST.add(Element.OL);
LIST.add(Element.DIR);
LIST.add(Element.MENU);
/* */
PREFORMATTED.add(Element.PRE);
/* */
FONTSTYLE.add(Element.TT);
FONTSTYLE.add(Element.I);
FONTSTYLE.add(Element.B);
FONTSTYLE.add(Element.U);
FONTSTYLE.add(Element.S);
FONTSTYLE.add(Element.STRIKE);
FONTSTYLE.add(Element.BIG);
FONTSTYLE.add(Element.SMALL);
/* */
PHRASE.add(Element.EM);
PHRASE.add(Element.STRONG);
PHRASE.add(Element.SAMP);
PHRASE.add(Element.CODE);
PHRASE.add(Element.KBD);
PHRASE.add(Element.DFN);
PHRASE.add(Element.VAR);
PHRASE.add(Element.CITE);
PHRASE.add(Element.ABBR);
PHRASE.add(Element.ACRONYM);
/* */
SPECIAL.add(Element.A);
SPECIAL.add(Element.SPAN);
SPECIAL.add(Element.FONT);
SPECIAL.add(Element.IMG);
SPECIAL.add(Element.APPLET);
SPECIAL.add(Element.OBJECT);
SPECIAL.add(Element.BASEFONT);
SPECIAL.add(Element.BR);
SPECIAL.add(Element.EMBED);
SPECIAL.add(Element.SCRIPT);
SPECIAL.add(Element.MAP);
SPECIAL.add(Element.Q);
SPECIAL.add(Element.SUB);
SPECIAL.add(Element.SUP);
SPECIAL.add(Element.BDO);
SPECIAL.add(Element.IFRAME);
/* */
FORM_CONTROL.add(Element.INPUT);
FORM_CONTROL.add(Element.SELECT);
FORM_CONTROL.add(Element.TEXTAREA);
FORM_CONTROL.add(Element.LABEL);
FORM_CONTROL.add(Element.BUTTON);
/* */
INLINE.addAll(PHRASE);
INLINE.addAll(FONTSTYLE);
INLINE.addAll(SPECIAL);
INLINE.addAll(FORM_CONTROL);
/* */
BLOCK.add(Element.P);
BLOCK.add(Element.DIV);
BLOCK.add(Element.TABLE);
BLOCK.add(Element.FORM);
BLOCK.add(Element.DL);
BLOCK.add(Element.BLOCKQUOTE);
BLOCK.add(Element.CENTER);
BLOCK.add(Element.NOSCRIPT);
BLOCK.add(Element.NOFRAMES);
BLOCK.add(Element.ISINDEX);
BLOCK.add(Element.HR);
BLOCK.add(Element.FIELDSET);
BLOCK.add(Element.ADDRESS);
BLOCK.addAll(HEADING);
BLOCK.addAll(LIST);
BLOCK.addAll(PREFORMATTED);
/* */
FLOW.addAll(INLINE);
FLOW.addAll(BLOCK);
/* */
PRE_EXCLUSION.add(Element.IMG);
PRE_EXCLUSION.add(Element.OBJECT);
PRE_EXCLUSION.add(Element.APPLET);
PRE_EXCLUSION.add(Element.BIG);
PRE_EXCLUSION.add(Element.SMALL);
PRE_EXCLUSION.add(Element.SUB);
PRE_EXCLUSION.add(Element.SUP);
PRE_EXCLUSION.add(Element.FONT);
PRE_EXCLUSION.add(Element.BASEFONT);
}
static {
/*
*/
Element.ACRONYM.contentModel.addAll(INLINE);
Element.ABBR.contentModel.addAll(INLINE);
Element.CITE.contentModel.addAll(INLINE);
Element.VAR.contentModel.addAll(INLINE);
Element.KBD.contentModel.addAll(INLINE);
Element.SAMP.contentModel.addAll(INLINE);
Element.CODE.contentModel.addAll(INLINE);
Element.DFN.contentModel.addAll(INLINE);
Element.STRONG.contentModel.addAll(INLINE);
Element.EM.contentModel.addAll(INLINE);
Element.SMALL.contentModel.addAll(INLINE);
Element.BIG.contentModel.addAll(INLINE);
Element.STRIKE.contentModel.addAll(INLINE);
Element.S.contentModel.addAll(INLINE);
Element.U.contentModel.addAll(INLINE);
Element.B.contentModel.addAll(INLINE);
Element.I.contentModel.addAll(INLINE);
Element.TT.contentModel.addAll(INLINE);
/* */
Element.SUB.contentModel.addAll(INLINE);
Element.SUP.contentModel.addAll(INLINE);
/* */
Element.SPAN.contentModel.addAll(INLINE);
/* */
Element.BDO.contentModel.addAll(INLINE);
/* */
// The map is created empty
/* */
Element.FONT.contentModel.addAll(INLINE);
/* */
// The map is created empty
/* */
Element.BODY.contentModel.addAll(FLOW);
Element.BODY.contentModel.add(Element.INS);
Element.BODY.contentModel.add(Element.DEL);
/* */
Element.ADDRESS.contentModel.addAll(INLINE);
Element.ADDRESS.contentModel.add(Element.P);
/* */
Element.DIV.contentModel.addAll(FLOW);
/* */
Element.CENTER.contentModel.addAll(FLOW);
/* */
Element.A.contentModel.addAll(INLINE);
Element.A.contentModel.remove(Element.A);
/* */
Element.MAP.contentModel.addAll(BLOCK);
Element.MAP.contentModel.add(Element.AREA);
/* */
// The map is created empty
/* */
// The map is created empty
/* */
// The map is created empty
/* */
Element.OBJECT.contentModel.add(Element.PARAM);
Element.OBJECT.contentModel.addAll(FLOW);
/* */
// The map is created empty
/* */
Element.APPLET.contentModel.add(Element.PARAM);
Element.APPLET.contentModel.addAll(FLOW);
/* */
// The map is created empty
/* */
Element.P.contentModel.addAll(INLINE);
/* */
/* */
Element.H6.contentModel.addAll(INLINE);
Element.H5.contentModel.addAll(INLINE);
Element.H4.contentModel.addAll(INLINE);
Element.H3.contentModel.addAll(INLINE);
Element.H2.contentModel.addAll(INLINE);
Element.H1.contentModel.addAll(INLINE);
/* */
Element.PRE.contentModel.addAll(INLINE);
Element.PRE.contentModel.removeAll(PRE_EXCLUSION);
Element.PRE.contentModel.trim();
/* */
Element.Q.contentModel.addAll(INLINE);
/* */
Element.BLOCKQUOTE.contentModel.addAll(FLOW);
/* */
Element.INS.contentModel.addAll(FLOW);
Element.DEL.contentModel.addAll(FLOW);
/* */
Element.DL.contentModel.add(Element.DT);
Element.DL.contentModel.add(Element.DD);
/* */
Element.DT.contentModel.addAll(INLINE);
/* */
Element.DD.contentModel.addAll(FLOW);
/* */
Element.OL.contentModel.add(Element.LI);
/* */
Element.UL.contentModel.add(Element.LI);
/* */
Element.DIR.contentModel.add(Element.LI);
Element.DIR.contentModel.removeAll(BLOCK);
Element.DIR.contentModel.trim();
Element.MENU.contentModel.addAll(Element.DIR.contentModel);
/* */
Element.LI.contentModel.addAll(FLOW);
/* */
Element.FORM.contentModel.addAll(FLOW);
Element.FORM.contentModel.remove(Element.FORM);
Element.FORM.contentModel.trim();
/* */
Element.LABEL.contentModel.addAll(INLINE);
Element.LABEL.contentModel.remove(Element.LABEL);
Element.LABEL.contentModel.trim();
/* */
// The map is created empty
/* */
Element.SELECT.contentModel.add(Element.OPTION);
Element.SELECT.contentModel.add(Element.OPTGROUP);
/* */
Element.OPTGROUP.contentModel.add(Element.OPTION);
/* */
// The map is created empty
/* */
// The map is created empty
/* */
Element.FIELDSET.contentModel.addAll(FLOW);
/* */
Element.LEGEND.contentModel.addAll(INLINE);
/* */
Element.BUTTON.contentModel.addAll(FLOW);
Element.BUTTON.contentModel.removeAll(FORM_CONTROL);
Element.BUTTON.contentModel.remove(Element.A);
Element.BUTTON.contentModel.remove(Element.FORM);
Element.BUTTON.contentModel.remove(Element.ISINDEX);
Element.BUTTON.contentModel.remove(Element.FIELDSET);
Element.BUTTON.contentModel.remove(Element.IFRAME);
Element.BUTTON.contentModel.trim();
/* */
Element.TABLE.contentModel.add(Element.TBODY);
Element.TABLE.contentModel.add(Element.THEAD);
Element.TABLE.contentModel.add(Element.TFOOT);
Element.TABLE.contentModel.add(Element.COL);
Element.TABLE.contentModel.add(Element.COLGROUP);
Element.TABLE.contentModel.add(Element.CAPTION);
/* */
Element.CAPTION.contentModel.addAll(INLINE);
/* */
Element.THEAD.contentModel.add(Element.TR);
/* */
Element.TFOOT.contentModel.add(Element.TR);
/* */
Element.TBODY.contentModel.add(Element.TR);
/* */
Element.COLGROUP.contentModel.add(Element.COL);
/* */
// The map is created empty
/* */
Element.TR.contentModel.add(Element.TD);
Element.TR.contentModel.add(Element.TH);
/* */
Element.TH.contentModel.addAll(FLOW);
Element.TD.contentModel.addAll(FLOW);
/* */
Element.FRAMESET.contentModel.add(Element.FRAME);
Element.FRAMESET.contentModel.add(Element.FRAMESET);
Element.FRAMESET.contentModel.add(Element.NOFRAMES);
/* */
// The map is created empty
/* */
Element.IFRAME.contentModel.addAll(FLOW);
/* Nonstandard */
Element.EMBED.contentModel.addAll(INLINE);
Element.EMBED.contentModel.addAll(BLOCK);
/* ]]>
*/
Element.NOFRAMES.contentModel.addAll(FLOW);
Element.NOFRAMES.contentModel.remove(Element.NOFRAMES);
Element.NOFRAMES.contentModel.trim();
/*
*/
Element.HEAD.contentModel.add(Element.SCRIPT);
Element.HEAD.contentModel.add(Element.STYLE);
Element.HEAD.contentModel.add(Element.META);
Element.HEAD.contentModel.add(Element.LINK);
Element.HEAD.contentModel.add(Element.OBJECT);
Element.HEAD.contentModel.add(Element.TITLE);
Element.HEAD.contentModel.add(Element.ISINDEX);
Element.HEAD.contentModel.add(Element.BASE);
/* */
// The map is created empty
/* */
// The map is created empty
/* */
// The map is created empty
/* */
// The map is created empty
/* */
// The map is created empty
/* */
// The map is created empty
/* */
Element.NOSCRIPT.contentModel.addAll(FLOW);
/* ]]>
*/
Element.HTML.contentModel.add(Element.BODY);
Element.HTML.contentModel.add(Element.HEAD);
Element.HTML.contentModel.add(Element.FRAMESET);
}
}
