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