/*
 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.tools.doclint;

import java.util.HashMap;
import java.util.Map;

Table of entities defined in HTML 4.01.
 Derived from
Character entity references in HTML 4.
The name of the member follows the name of the entity,
except when it clashes with a keyword, in which case
it is prefixed by '_'.
This is NOT part of any supported API.
If you write code that depends on this, you do so at your own
risk.  This code and its internal interfaces are subject to change
or deletion without notice.
/**
 * Table of entities defined in HTML 4.01.
 *
 * <p> Derived from
 * <a href="http://www.w3.org/TR/html4/sgml/entities.html">Character entity references in HTML 4</a>.
 *
 * The name of the member follows the name of the entity,
 * except when it clashes with a keyword, in which case
 * it is prefixed by '_'.
 *
 * <p><b>This is NOT part of any supported API.
 * If you write code that depends on this, you do so at your own
 * risk.  This code and its internal interfaces are subject to change
 * or deletion without notice.</b></p>
 */
public enum Entity {
    nbsp(160),
    iexcl(161),
    cent(162),
    pound(163),
    curren(164),
    yen(165),
    brvbar(166),
    sect(167),
    uml(168),
    copy(169),
    ordf(170),
    laquo(171),
    not(172),
    shy(173),
    reg(174),
    macr(175),
    deg(176),
    plusmn(177),
    sup2(178),
    sup3(179),
    acute(180),
    micro(181),
    para(182),
    middot(183),
    cedil(184),
    sup1(185),
    ordm(186),
    raquo(187),
    frac14(188),
    frac12(189),
    frac34(190),
    iquest(191),
    Agrave(192),
    Aacute(193),
    Acirc(194),
    Atilde(195),
    Auml(196),
    Aring(197),
    AElig(198),
    Ccedil(199),
    Egrave(200),
    Eacute(201),
    Ecirc(202),
    Euml(203),
    Igrave(204),
    Iacute(205),
    Icirc(206),
    Iuml(207),
    ETH(208),
    Ntilde(209),
    Ograve(210),
    Oacute(211),
    Ocirc(212),
    Otilde(213),
    Ouml(214),
    times(215),
    Oslash(216),
    Ugrave(217),
    Uacute(218),
    Ucirc(219),
    Uuml(220),
    Yacute(221),
    THORN(222),
    szlig(223),
    agrave(224),
    aacute(225),
    acirc(226),
    atilde(227),
    auml(228),
    aring(229),
    aelig(230),
    ccedil(231),
    egrave(232),
    eacute(233),
    ecirc(234),
    euml(235),
    igrave(236),
    iacute(237),
    icirc(238),
    iuml(239),
    eth(240),
    ntilde(241),
    ograve(242),
    oacute(243),
    ocirc(244),
    otilde(245),
    ouml(246),
    divide(247),
    oslash(248),
    ugrave(249),
    uacute(250),
    ucirc(251),
    uuml(252),
    yacute(253),
    thorn(254),
    yuml(255),
    fnof(402),
    Alpha(913),
    Beta(914),
    Gamma(915),
    Delta(916),
    Epsilon(917),
    Zeta(918),
    Eta(919),
    Theta(920),
    Iota(921),
    Kappa(922),
    Lambda(923),
    Mu(924),
    Nu(925),
    Xi(926),
    Omicron(927),
    Pi(928),
    Rho(929),
    Sigma(931),
    Tau(932),
    Upsilon(933),
    Phi(934),
    Chi(935),
    Psi(936),
    Omega(937),
    alpha(945),
    beta(946),
    gamma(947),
    delta(948),
    epsilon(949),
    zeta(950),
    eta(951),
    theta(952),
    iota(953),
    kappa(954),
    lambda(955),
    mu(956),
    nu(957),
    xi(958),
    omicron(959),
    pi(960),
    rho(961),
    sigmaf(962),
    sigma(963),
    tau(964),
    upsilon(965),
    phi(966),
    chi(967),
    psi(968),
    omega(969),
    thetasym(977),
    upsih(978),
    piv(982),
    bull(8226),
    hellip(8230),
    prime(8242),
    Prime(8243),
    oline(8254),
    frasl(8260),
    weierp(8472),
    image(8465),
    real(8476),
    trade(8482),
    alefsym(8501),
    larr(8592),
    uarr(8593),
    rarr(8594),
    darr(8595),
    harr(8596),
    crarr(8629),
    lArr(8656),
    uArr(8657),
    rArr(8658),
    dArr(8659),
    hArr(8660),
    forall(8704),
    part(8706),
    exist(8707),
    empty(8709),
    nabla(8711),
    isin(8712),
    notin(8713),
    ni(8715),
    prod(8719),
    sum(8721),
    minus(8722),
    lowast(8727),
    radic(8730),
    prop(8733),
    infin(8734),
    ang(8736),
    and(8743),
    or(8744),
    cap(8745),
    cup(8746),
    _int(8747),
    there4(8756),
    sim(8764),
    cong(8773),
    asymp(8776),
    ne(8800),
    equiv(8801),
    le(8804),
    ge(8805),
    sub(8834),
    sup(8835),
    nsub(8836),
    sube(8838),
    supe(8839),
    oplus(8853),
    otimes(8855),
    perp(8869),
    sdot(8901),
    lceil(8968),
    rceil(8969),
    lfloor(8970),
    rfloor(8971),
    lang(9001),
    rang(9002),
    loz(9674),
    spades(9824),
    clubs(9827),
    hearts(9829),
    diams(9830),
    quot(34),
    amp(38),
    lt(60),
    gt(62),
    OElig(338),
    oelig(339),
    Scaron(352),
    scaron(353),
    Yuml(376),
    circ(710),
    tilde(732),
    ensp(8194),
    emsp(8195),
    thinsp(8201),
    zwnj(8204),
    zwj(8205),
    lrm(8206),
    rlm(8207),
    ndash(8211),
    mdash(8212),
    lsquo(8216),
    rsquo(8217),
    sbquo(8218),
    ldquo(8220),
    rdquo(8221),
    bdquo(8222),
    dagger(8224),
    Dagger(8225),
    permil(8240),
    lsaquo(8249),
    rsaquo(8250),
    euro(8364);

    public final int code;

    private Entity(int code) {
        this.code = code;
    }

    public static boolean isValid(String name) {
        return names.containsKey(name);
    }

    public static Entity get(String name) {
        return names.get(name);
    }

    public static boolean isValid(int code) {
        // allow numeric codes for standard ANSI characters
        return codes.containsKey(code) || ( 32 <= code && code < 2127);
    }

    private static final Map<String,Entity> names = new HashMap<>();
    private static final Map<Integer,Entity> codes = new HashMap<>();
    static {
        for (Entity e: values()) {
            String name = e.name();
            int code = e.code;
            if (name.startsWith("_")) name = name.substring(1);
            names.put(name, e);
            codes.put(code, e);
        }
    }
}