'use strict';

const NS = (exports.NAMESPACES = {
    HTML: 'http://www.w3.org/1999/xhtml',
    MATHML: 'http://www.w3.org/1998/Math/MathML',
    SVG: 'http://www.w3.org/2000/svg',
    XLINK: 'http://www.w3.org/1999/xlink',
    XML: 'http://www.w3.org/XML/1998/namespace',
    XMLNS: 'http://www.w3.org/2000/xmlns/'
});

exports.ATTRS = {
    TYPE: 'type',
    ACTION: 'action',
    ENCODING: 'encoding',
    PROMPT: 'prompt',
    NAME: 'name',
    COLOR: 'color',
    FACE: 'face',
    SIZE: 'size'
};

exports.DOCUMENT_MODE = {
    NO_QUIRKS: 'no-quirks',
    QUIRKS: 'quirks',
    LIMITED_QUIRKS: 'limited-quirks'
};

const $ = (exports.TAG_NAMES = {
    A: 'a',
    ADDRESS: 'address',
    ANNOTATION_XML: 'annotation-xml',
    APPLET: 'applet',
    AREA: 'area',
    ARTICLE: 'article',
    ASIDE: 'aside',

    B: 'b',
    BASE: 'base',
    BASEFONT: 'basefont',
    BGSOUND: 'bgsound',
    BIG: 'big',
    BLOCKQUOTE: 'blockquote',
    BODY: 'body',
    BR: 'br',
    BUTTON: 'button',

    CAPTION: 'caption',
    CENTER: 'center',
    CODE: 'code',
    COL: 'col',
    COLGROUP: 'colgroup',

    DD: 'dd',
    DESC: 'desc',
    DETAILS: 'details',
    DIALOG: 'dialog',
    DIR: 'dir',
    DIV: 'div',
    DL: 'dl',
    DT: 'dt',

    EM: 'em',
    EMBED: 'embed',

    FIELDSET: 'fieldset',
    FIGCAPTION: 'figcaption',
    FIGURE: 'figure',
    FONT: 'font',
    FOOTER: 'footer',
    FOREIGN_OBJECT: 'foreignObject',
    FORM: 'form',
    FRAME: 'frame',
    FRAMESET: 'frameset',

    H1: 'h1',
    H2: 'h2',
    H3: 'h3',
    H4: 'h4',
    H5: 'h5',
    H6: 'h6',
    HEAD: 'head',
    HEADER: 'header',
    HGROUP: 'hgroup',
    HR: 'hr',
    HTML: 'html',

    I: 'i',
    IMG: 'img',
    IMAGE: 'image',
    INPUT: 'input',
    IFRAME: 'iframe',

    KEYGEN: 'keygen',

    LABEL: 'label',
    LI: 'li',
    LINK: 'link',
    LISTING: 'listing',

    MAIN: 'main',
    MALIGNMARK: 'malignmark',
    MARQUEE: 'marquee',
    MATH: 'math',
    MENU: 'menu',
    META: 'meta',
    MGLYPH: 'mglyph',
    MI: 'mi',
    MO: 'mo',
    MN: 'mn',
    MS: 'ms',
    MTEXT: 'mtext',

    NAV: 'nav',
    NOBR: 'nobr',
    NOFRAMES: 'noframes',
    NOEMBED: 'noembed',
    NOSCRIPT: 'noscript',

    OBJECT: 'object',
    OL: 'ol',
    OPTGROUP: 'optgroup',
    OPTION: 'option',

    P: 'p',
    PARAM: 'param',
    PLAINTEXT: 'plaintext',
    PRE: 'pre',

    RB: 'rb',
    RP: 'rp',
    RT: 'rt',
    RTC: 'rtc',
    RUBY: 'ruby',

    S: 's',
    SCRIPT: 'script',
    SECTION: 'section',
    SELECT: 'select',
    SOURCE: 'source',
    SMALL: 'small',
    SPAN: 'span',
    STRIKE: 'strike',
    STRONG: 'strong',
    STYLE: 'style',
    SUB: 'sub',
    SUMMARY: 'summary',
    SUP: 'sup',

    TABLE: 'table',
    TBODY: 'tbody',
    TEMPLATE: 'template',
    TEXTAREA: 'textarea',
    TFOOT: 'tfoot',
    TD: 'td',
    TH: 'th',
    THEAD: 'thead',
    TITLE: 'title',
    TR: 'tr',
    TRACK: 'track',
    TT: 'tt',

    U: 'u',
    UL: 'ul',

    SVG: 'svg',

    VAR: 'var',

    WBR: 'wbr',

    XMP: 'xmp'
});

exports.SPECIAL_ELEMENTS = {
    [NS.HTML]: {
        [$.ADDRESS]: true,
        [$.APPLET]: true,
        [$.AREA]: true,
        [$.ARTICLE]: true,
        [$.ASIDE]: true,
        [$.BASE]: true,
        [$.BASEFONT]: true,
        [$.BGSOUND]: true,
        [$.BLOCKQUOTE]: true,
        [$.BODY]: true,
        [$.BR]: true,
        [$.BUTTON]: true,
        [$.CAPTION]: true,
        [$.CENTER]: true,
        [$.COL]: true,
        [$.COLGROUP]: true,
        [$.DD]: true,
        [$.DETAILS]: true,
        [$.DIR]: true,
        [$.DIV]: true,
        [$.DL]: true,
        [$.DT]: true,
        [$.EMBED]: true,
        [$.FIELDSET]: true,
        [$.FIGCAPTION]: true,
        [$.FIGURE]: true,
        [$.FOOTER]: true,
        [$.FORM]: true,
        [$.FRAME]: true,
        [$.FRAMESET]: true,
        [$.H1]: true,
        [$.H2]: true,
        [$.H3]: true,
        [$.H4]: true,
        [$.H5]: true,
        [$.H6]: true,
        [$.HEAD]: true,
        [$.HEADER]: true,
        [$.HGROUP]: true,
        [$.HR]: true,
        [$.HTML]: true,
        [$.IFRAME]: true,
        [$.IMG]: true,
        [$.INPUT]: true,
        [$.LI]: true,
        [$.LINK]: true,
        [$.LISTING]: true,
        [$.MAIN]: true,
        [$.MARQUEE]: true,
        [$.MENU]: true,
        [$.META]: true,
        [$.NAV]: true,
        [$.NOEMBED]: true,
        [$.NOFRAMES]: true,
        [$.NOSCRIPT]: true,
        [$.OBJECT]: true,
        [$.OL]: true,
        [$.P]: true,
        [$.PARAM]: true,
        [$.PLAINTEXT]: true,
        [$.PRE]: true,
        [$.SCRIPT]: true,
        [$.SECTION]: true,
        [$.SELECT]: true,
        [$.SOURCE]: true,
        [$.STYLE]: true,
        [$.SUMMARY]: true,
        [$.TABLE]: true,
        [$.TBODY]: true,
        [$.TD]: true,
        [$.TEMPLATE]: true,
        [$.TEXTAREA]: true,
        [$.TFOOT]: true,
        [$.TH]: true,
        [$.THEAD]: true,
        [$.TITLE]: true,
        [$.TR]: true,
        [$.TRACK]: true,
        [$.UL]: true,
        [$.WBR]: true,
        [$.XMP]: true
    },
    [NS.MATHML]: {
        [$.MI]: true,
        [$.MO]: true,
        [$.MN]: true,
        [$.MS]: true,
        [$.MTEXT]: true,
        [$.ANNOTATION_XML]: true
    },
    [NS.SVG]: {
        [$.TITLE]: true,
        [$.FOREIGN_OBJECT]: true,
        [$.DESC]: true
    }
};