import { TAG_ID as $, NS, ATTRS, getTagID } from './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: NS.XLINK }], ['xlink:arcrole', { prefix: 'xlink', name: 'arcrole', namespace: NS.XLINK }], ['xlink:href', { prefix: 'xlink', name: 'href', namespace: NS.XLINK }], ['xlink:role', { prefix: 'xlink', name: 'role', namespace: NS.XLINK }], ['xlink:show', { prefix: 'xlink', name: 'show', namespace: NS.XLINK }], ['xlink:title', { prefix: 'xlink', name: 'title', namespace: NS.XLINK }], ['xlink:type', { prefix: 'xlink', name: 'type', namespace: NS.XLINK }], ['xml:base', { prefix: 'xml', name: 'base', namespace: NS.XML }], ['xml:lang', { prefix: 'xml', name: 'lang', namespace: NS.XML }], ['xml:space', { prefix: 'xml', name: 'space', namespace: NS.XML }], ['xmlns', { prefix: '', name: 'xmlns', namespace: NS.XMLNS }], ['xmlns:xlink', { prefix: 'xmlns', name: 'xlink', namespace: NS.XMLNS }], ]); //SVG tag names adjustment map export const 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([ $.B, $.BIG, $.BLOCKQUOTE, $.BODY, $.BR, $.CENTER, $.CODE, $.DD, $.DIV, $.DL, $.DT, $.EM, $.EMBED, $.H1, $.H2, $.H3, $.H4, $.H5, $.H6, $.HEAD, $.HR, $.I, $.IMG, $.LI, $.LISTING, $.MENU, $.META, $.NOBR, $.OL, $.P, $.PRE, $.RUBY, $.S, $.SMALL, $.SPAN, $.STRONG, $.STRIKE, $.SUB, $.SUP, $.TABLE, $.TT, $.U, $.UL, $.VAR, ]); //Check exit from foreign content export function causesExit(startTagToken) { const tn = startTagToken.tagID; const isFontWithAttrs = tn === $.FONT && startTagToken.attrs.some(({ name }) => name === ATTRS.COLOR || name === ATTRS.SIZE || name === ATTRS.FACE); return isFontWithAttrs || EXITS_FOREIGN_CONTENT.has(tn); } //Token adjustments export 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; } } } export 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; } } } export 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; } } } export function adjustTokenSVGTagName(token) { const adjustedTagName = SVG_TAG_NAMES_ADJUSTMENT_MAP.get(token.tagName); if (adjustedTagName != null) { token.tagName = adjustedTagName; token.tagID = getTagID(token.tagName); } } //Integration points function isMathMLTextIntegrationPoint(tn, ns) { return ns === NS.MATHML && (tn === $.MI || tn === $.MO || tn === $.MN || tn === $.MS || tn === $.MTEXT); } function isHtmlIntegrationPoint(tn, ns, attrs) { if (ns === NS.MATHML && tn === $.ANNOTATION_XML) { for (let i = 0; i < attrs.length; i++) { if (attrs[i].name === ATTRS.ENCODING) { const value = attrs[i].value.toLowerCase(); return value === MIME_TYPES.TEXT_HTML || value === MIME_TYPES.APPLICATION_XML; } } } return ns === NS.SVG && (tn === $.FOREIGN_OBJECT || tn === $.DESC || tn === $.TITLE); } export function isIntegrationPoint(tn, ns, attrs, foreignNS) { return (((!foreignNS || foreignNS === NS.HTML) && isHtmlIntegrationPoint(tn, ns, attrs)) || ((!foreignNS || foreignNS === NS.MATHML) && isMathMLTextIntegrationPoint(tn, ns))); } //# sourceMappingURL=foreign-content.js.map