diff options
Diffstat (limited to 'vanilla/node_modules/parse5/dist/common/foreign-content.js')
| -rw-r--r-- | vanilla/node_modules/parse5/dist/common/foreign-content.js | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/vanilla/node_modules/parse5/dist/common/foreign-content.js b/vanilla/node_modules/parse5/dist/common/foreign-content.js new file mode 100644 index 0000000..6881aca --- /dev/null +++ b/vanilla/node_modules/parse5/dist/common/foreign-content.js @@ -0,0 +1,228 @@ +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: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))); +} |