hexo/node_modules/parse5/dist/cjs/common/foreign-content.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isIntegrationPoint = exports.adjustTokenSVGTagName = exports.adjustTokenXMLAttrs = exports.adjustTokenSVGAttrs = exports.adjustTokenMathMLAttrs = exports.causesExit = exports.SVG_TAG_NAMES_ADJUSTMENT_MAP = void 0;
const html_js_1 = require("./html.js");
//MIME types
const MIME_TYPES = {
    TEXT_HTML: 'text/html',
    APPLICATION_XML: 'application/xhtml+xml',
};
//Attributes
const DEFINITION_URL_ATTR = 'definitionurl';
const ADJUSTED_DEFINITION_URL_ATTR = 'definitionURL';
const SVG_ATTRS_ADJUSTMENT_MAP = new Map([
    'attributeName',
    'attributeType',
    'baseFrequency',
    'baseProfile',
    'calcMode',
    'clipPathUnits',
    'diffuseConstant',
    'edgeMode',
    'filterUnits',
    'glyphRef',
    'gradientTransform',
    'gradientUnits',
    'kernelMatrix',
    'kernelUnitLength',
    'keyPoints',
    'keySplines',
    'keyTimes',
    'lengthAdjust',
    'limitingConeAngle',
    'markerHeight',
    'markerUnits',
    'markerWidth',
    'maskContentUnits',
    'maskUnits',
    'numOctaves',
    'pathLength',
    'patternContentUnits',
    'patternTransform',
    'patternUnits',
    'pointsAtX',
    'pointsAtY',
    'pointsAtZ',
    'preserveAlpha',
    'preserveAspectRatio',
    'primitiveUnits',
    'refX',
    'refY',
    'repeatCount',
    'repeatDur',
    'requiredExtensions',
    'requiredFeatures',
    'specularConstant',
    'specularExponent',
    'spreadMethod',
    'startOffset',
    'stdDeviation',
    'stitchTiles',
    'surfaceScale',
    'systemLanguage',
    'tableValues',
    'targetX',
    'targetY',
    'textLength',
    'viewBox',
    'viewTarget',
    'xChannelSelector',
    'yChannelSelector',
    'zoomAndPan',
].map((attr) => [attr.toLowerCase(), attr]));
const XML_ATTRS_ADJUSTMENT_MAP = new Map([
    ['xlink:actuate', { prefix: 'xlink', name: 'actuate', namespace: html_js_1.NS.XLINK }],
    ['xlink:arcrole', { prefix: 'xlink', name: 'arcrole', namespace: html_js_1.NS.XLINK }],
    ['xlink:href', { prefix: 'xlink', name: 'href', namespace: html_js_1.NS.XLINK }],
    ['xlink:role', { prefix: 'xlink', name: 'role', namespace: html_js_1.NS.XLINK }],
    ['xlink:show', { prefix: 'xlink', name: 'show', namespace: html_js_1.NS.XLINK }],
    ['xlink:title', { prefix: 'xlink', name: 'title', namespace: html_js_1.NS.XLINK }],
    ['xlink:type', { prefix: 'xlink', name: 'type', namespace: html_js_1.NS.XLINK }],
    ['xml:base', { prefix: 'xml', name: 'base', namespace: html_js_1.NS.XML }],
    ['xml:lang', { prefix: 'xml', name: 'lang', namespace: html_js_1.NS.XML }],
    ['xml:space', { prefix: 'xml', name: 'space', namespace: html_js_1.NS.XML }],
    ['xmlns', { prefix: '', name: 'xmlns', namespace: html_js_1.NS.XMLNS }],
    ['xmlns:xlink', { prefix: 'xmlns', name: 'xlink', namespace: html_js_1.NS.XMLNS }],
]);
//SVG tag names adjustment map
exports.SVG_TAG_NAMES_ADJUSTMENT_MAP = new Map([
    'altGlyph',
    'altGlyphDef',
    'altGlyphItem',
    'animateColor',
    'animateMotion',
    'animateTransform',
    'clipPath',
    'feBlend',
    'feColorMatrix',
    'feComponentTransfer',
    'feComposite',
    'feConvolveMatrix',
    'feDiffuseLighting',
    'feDisplacementMap',
    'feDistantLight',
    'feFlood',
    'feFuncA',
    'feFuncB',
    'feFuncG',
    'feFuncR',
    'feGaussianBlur',
    'feImage',
    'feMerge',
    'feMergeNode',
    'feMorphology',
    'feOffset',
    'fePointLight',
    'feSpecularLighting',
    'feSpotLight',
    'feTile',
    'feTurbulence',
    'foreignObject',
    'glyphRef',
    'linearGradient',
    'radialGradient',
    'textPath',
].map((tn) => [tn.toLowerCase(), tn]));
//Tags that causes exit from foreign content
const EXITS_FOREIGN_CONTENT = new Set([
    html_js_1.TAG_ID.B,
    html_js_1.TAG_ID.BIG,
    html_js_1.TAG_ID.BLOCKQUOTE,
    html_js_1.TAG_ID.BODY,
    html_js_1.TAG_ID.BR,
    html_js_1.TAG_ID.CENTER,
    html_js_1.TAG_ID.CODE,
    html_js_1.TAG_ID.DD,
    html_js_1.TAG_ID.DIV,
    html_js_1.TAG_ID.DL,
    html_js_1.TAG_ID.DT,
    html_js_1.TAG_ID.EM,
    html_js_1.TAG_ID.EMBED,
    html_js_1.TAG_ID.H1,
    html_js_1.TAG_ID.H2,
    html_js_1.TAG_ID.H3,
    html_js_1.TAG_ID.H4,
    html_js_1.TAG_ID.H5,
    html_js_1.TAG_ID.H6,
    html_js_1.TAG_ID.HEAD,
    html_js_1.TAG_ID.HR,
    html_js_1.TAG_ID.I,
    html_js_1.TAG_ID.IMG,
    html_js_1.TAG_ID.LI,
    html_js_1.TAG_ID.LISTING,
    html_js_1.TAG_ID.MENU,
    html_js_1.TAG_ID.META,
    html_js_1.TAG_ID.NOBR,
    html_js_1.TAG_ID.OL,
    html_js_1.TAG_ID.P,
    html_js_1.TAG_ID.PRE,
    html_js_1.TAG_ID.RUBY,
    html_js_1.TAG_ID.S,
    html_js_1.TAG_ID.SMALL,
    html_js_1.TAG_ID.SPAN,
    html_js_1.TAG_ID.STRONG,
    html_js_1.TAG_ID.STRIKE,
    html_js_1.TAG_ID.SUB,
    html_js_1.TAG_ID.SUP,
    html_js_1.TAG_ID.TABLE,
    html_js_1.TAG_ID.TT,
    html_js_1.TAG_ID.U,
    html_js_1.TAG_ID.UL,
    html_js_1.TAG_ID.VAR,
]);
//Check exit from foreign content
function causesExit(startTagToken) {
    const tn = startTagToken.tagID;
    const isFontWithAttrs = tn === html_js_1.TAG_ID.FONT &&
        startTagToken.attrs.some(({ name }) => name === html_js_1.ATTRS.COLOR || name === html_js_1.ATTRS.SIZE || name === html_js_1.ATTRS.FACE);
    return isFontWithAttrs || EXITS_FOREIGN_CONTENT.has(tn);
}
exports.causesExit = causesExit;
//Token adjustments
function adjustTokenMathMLAttrs(token) {
    for (let i = 0; i < token.attrs.length; i++) {
        if (token.attrs[i].name === DEFINITION_URL_ATTR) {
            token.attrs[i].name = ADJUSTED_DEFINITION_URL_ATTR;
            break;
        }
    }
}
exports.adjustTokenMathMLAttrs = adjustTokenMathMLAttrs;
function adjustTokenSVGAttrs(token) {
    for (let i = 0; i < token.attrs.length; i++) {
        const adjustedAttrName = SVG_ATTRS_ADJUSTMENT_MAP.get(token.attrs[i].name);
        if (adjustedAttrName != null) {
            token.attrs[i].name = adjustedAttrName;
        }
    }
}
exports.adjustTokenSVGAttrs = adjustTokenSVGAttrs;
function adjustTokenXMLAttrs(token) {
    for (let i = 0; i < token.attrs.length; i++) {
        const adjustedAttrEntry = XML_ATTRS_ADJUSTMENT_MAP.get(token.attrs[i].name);
        if (adjustedAttrEntry) {
            token.attrs[i].prefix = adjustedAttrEntry.prefix;
            token.attrs[i].name = adjustedAttrEntry.name;
            token.attrs[i].namespace = adjustedAttrEntry.namespace;
        }
    }
}
exports.adjustTokenXMLAttrs = adjustTokenXMLAttrs;
function adjustTokenSVGTagName(token) {
    const adjustedTagName = exports.SVG_TAG_NAMES_ADJUSTMENT_MAP.get(token.tagName);
    if (adjustedTagName != null) {
        token.tagName = adjustedTagName;
        token.tagID = (0, html_js_1.getTagID)(token.tagName);
    }
}
exports.adjustTokenSVGTagName = adjustTokenSVGTagName;
//Integration points
function isMathMLTextIntegrationPoint(tn, ns) {
    return ns === html_js_1.NS.MATHML && (tn === html_js_1.TAG_ID.MI || tn === html_js_1.TAG_ID.MO || tn === html_js_1.TAG_ID.MN || tn === html_js_1.TAG_ID.MS || tn === html_js_1.TAG_ID.MTEXT);
}
function isHtmlIntegrationPoint(tn, ns, attrs) {
    if (ns === html_js_1.NS.MATHML && tn === html_js_1.TAG_ID.ANNOTATION_XML) {
        for (let i = 0; i < attrs.length; i++) {
            if (attrs[i].name === html_js_1.ATTRS.ENCODING) {
                const value = attrs[i].value.toLowerCase();
                return value === MIME_TYPES.TEXT_HTML || value === MIME_TYPES.APPLICATION_XML;
            }
        }
    }
    return ns === html_js_1.NS.SVG && (tn === html_js_1.TAG_ID.FOREIGN_OBJECT || tn === html_js_1.TAG_ID.DESC || tn === html_js_1.TAG_ID.TITLE);
}
function isIntegrationPoint(tn, ns, attrs, foreignNS) {
    return (((!foreignNS || foreignNS === html_js_1.NS.HTML) && isHtmlIntegrationPoint(tn, ns, attrs)) ||
        ((!foreignNS || foreignNS === html_js_1.NS.MATHML) && isMathMLTextIntegrationPoint(tn, ns)));
}
exports.isIntegrationPoint = isIntegrationPoint;
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