260 lines
9.2 KiB
JavaScript
260 lines
9.2 KiB
JavaScript
'use strict';
|
|
|
|
var Tokenizer = require('../tokenizer'),
|
|
HTML = require('./html');
|
|
|
|
//Aliases
|
|
var $ = HTML.TAG_NAMES,
|
|
NS = HTML.NAMESPACES,
|
|
ATTRS = HTML.ATTRS;
|
|
|
|
|
|
//MIME types
|
|
var MIME_TYPES = {
|
|
TEXT_HTML: 'text/html',
|
|
APPLICATION_XML: 'application/xhtml+xml'
|
|
};
|
|
|
|
//Attributes
|
|
var DEFINITION_URL_ATTR = 'definitionurl',
|
|
ADJUSTED_DEFINITION_URL_ATTR = 'definitionURL',
|
|
SVG_ATTRS_ADJUSTMENT_MAP = {
|
|
'attributename': 'attributeName',
|
|
'attributetype': 'attributeType',
|
|
'basefrequency': 'baseFrequency',
|
|
'baseprofile': 'baseProfile',
|
|
'calcmode': 'calcMode',
|
|
'clippathunits': 'clipPathUnits',
|
|
'diffuseconstant': 'diffuseConstant',
|
|
'edgemode': 'edgeMode',
|
|
'filterunits': 'filterUnits',
|
|
'glyphref': 'glyphRef',
|
|
'gradienttransform': 'gradientTransform',
|
|
'gradientunits': 'gradientUnits',
|
|
'kernelmatrix': 'kernelMatrix',
|
|
'kernelunitlength': 'kernelUnitLength',
|
|
'keypoints': 'keyPoints',
|
|
'keysplines': 'keySplines',
|
|
'keytimes': 'keyTimes',
|
|
'lengthadjust': 'lengthAdjust',
|
|
'limitingconeangle': 'limitingConeAngle',
|
|
'markerheight': 'markerHeight',
|
|
'markerunits': 'markerUnits',
|
|
'markerwidth': 'markerWidth',
|
|
'maskcontentunits': 'maskContentUnits',
|
|
'maskunits': 'maskUnits',
|
|
'numoctaves': 'numOctaves',
|
|
'pathlength': 'pathLength',
|
|
'patterncontentunits': 'patternContentUnits',
|
|
'patterntransform': 'patternTransform',
|
|
'patternunits': 'patternUnits',
|
|
'pointsatx': 'pointsAtX',
|
|
'pointsaty': 'pointsAtY',
|
|
'pointsatz': 'pointsAtZ',
|
|
'preservealpha': 'preserveAlpha',
|
|
'preserveaspectratio': 'preserveAspectRatio',
|
|
'primitiveunits': 'primitiveUnits',
|
|
'refx': 'refX',
|
|
'refy': 'refY',
|
|
'repeatcount': 'repeatCount',
|
|
'repeatdur': 'repeatDur',
|
|
'requiredextensions': 'requiredExtensions',
|
|
'requiredfeatures': 'requiredFeatures',
|
|
'specularconstant': 'specularConstant',
|
|
'specularexponent': 'specularExponent',
|
|
'spreadmethod': 'spreadMethod',
|
|
'startoffset': 'startOffset',
|
|
'stddeviation': 'stdDeviation',
|
|
'stitchtiles': 'stitchTiles',
|
|
'surfacescale': 'surfaceScale',
|
|
'systemlanguage': 'systemLanguage',
|
|
'tablevalues': 'tableValues',
|
|
'targetx': 'targetX',
|
|
'targety': 'targetY',
|
|
'textlength': 'textLength',
|
|
'viewbox': 'viewBox',
|
|
'viewtarget': 'viewTarget',
|
|
'xchannelselector': 'xChannelSelector',
|
|
'ychannelselector': 'yChannelSelector',
|
|
'zoomandpan': 'zoomAndPan'
|
|
},
|
|
XML_ATTRS_ADJUSTMENT_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
|
|
var SVG_TAG_NAMES_ADJUSTMENT_MAP = exports.SVG_TAG_NAMES_ADJUSTMENT_MAP = {
|
|
'altglyph': 'altGlyph',
|
|
'altglyphdef': 'altGlyphDef',
|
|
'altglyphitem': 'altGlyphItem',
|
|
'animatecolor': 'animateColor',
|
|
'animatemotion': 'animateMotion',
|
|
'animatetransform': 'animateTransform',
|
|
'clippath': 'clipPath',
|
|
'feblend': 'feBlend',
|
|
'fecolormatrix': 'feColorMatrix',
|
|
'fecomponenttransfer': 'feComponentTransfer',
|
|
'fecomposite': 'feComposite',
|
|
'feconvolvematrix': 'feConvolveMatrix',
|
|
'fediffuselighting': 'feDiffuseLighting',
|
|
'fedisplacementmap': 'feDisplacementMap',
|
|
'fedistantlight': 'feDistantLight',
|
|
'feflood': 'feFlood',
|
|
'fefunca': 'feFuncA',
|
|
'fefuncb': 'feFuncB',
|
|
'fefuncg': 'feFuncG',
|
|
'fefuncr': 'feFuncR',
|
|
'fegaussianblur': 'feGaussianBlur',
|
|
'feimage': 'feImage',
|
|
'femerge': 'feMerge',
|
|
'femergenode': 'feMergeNode',
|
|
'femorphology': 'feMorphology',
|
|
'feoffset': 'feOffset',
|
|
'fepointlight': 'fePointLight',
|
|
'fespecularlighting': 'feSpecularLighting',
|
|
'fespotlight': 'feSpotLight',
|
|
'fetile': 'feTile',
|
|
'feturbulence': 'feTurbulence',
|
|
'foreignobject': 'foreignObject',
|
|
'glyphref': 'glyphRef',
|
|
'lineargradient': 'linearGradient',
|
|
'radialgradient': 'radialGradient',
|
|
'textpath': 'textPath'
|
|
};
|
|
|
|
//Tags that causes exit from foreign content
|
|
var EXITS_FOREIGN_CONTENT = Object.create(null);
|
|
|
|
EXITS_FOREIGN_CONTENT[$.B] = true;
|
|
EXITS_FOREIGN_CONTENT[$.BIG] = true;
|
|
EXITS_FOREIGN_CONTENT[$.BLOCKQUOTE] = true;
|
|
EXITS_FOREIGN_CONTENT[$.BODY] = true;
|
|
EXITS_FOREIGN_CONTENT[$.BR] = true;
|
|
EXITS_FOREIGN_CONTENT[$.CENTER] = true;
|
|
EXITS_FOREIGN_CONTENT[$.CODE] = true;
|
|
EXITS_FOREIGN_CONTENT[$.DD] = true;
|
|
EXITS_FOREIGN_CONTENT[$.DIV] = true;
|
|
EXITS_FOREIGN_CONTENT[$.DL] = true;
|
|
EXITS_FOREIGN_CONTENT[$.DT] = true;
|
|
EXITS_FOREIGN_CONTENT[$.EM] = true;
|
|
EXITS_FOREIGN_CONTENT[$.EMBED] = true;
|
|
EXITS_FOREIGN_CONTENT[$.H1] = true;
|
|
EXITS_FOREIGN_CONTENT[$.H2] = true;
|
|
EXITS_FOREIGN_CONTENT[$.H3] = true;
|
|
EXITS_FOREIGN_CONTENT[$.H4] = true;
|
|
EXITS_FOREIGN_CONTENT[$.H5] = true;
|
|
EXITS_FOREIGN_CONTENT[$.H6] = true;
|
|
EXITS_FOREIGN_CONTENT[$.HEAD] = true;
|
|
EXITS_FOREIGN_CONTENT[$.HR] = true;
|
|
EXITS_FOREIGN_CONTENT[$.I] = true;
|
|
EXITS_FOREIGN_CONTENT[$.IMG] = true;
|
|
EXITS_FOREIGN_CONTENT[$.LI] = true;
|
|
EXITS_FOREIGN_CONTENT[$.LISTING] = true;
|
|
EXITS_FOREIGN_CONTENT[$.MENU] = true;
|
|
EXITS_FOREIGN_CONTENT[$.META] = true;
|
|
EXITS_FOREIGN_CONTENT[$.NOBR] = true;
|
|
EXITS_FOREIGN_CONTENT[$.OL] = true;
|
|
EXITS_FOREIGN_CONTENT[$.P] = true;
|
|
EXITS_FOREIGN_CONTENT[$.PRE] = true;
|
|
EXITS_FOREIGN_CONTENT[$.RUBY] = true;
|
|
EXITS_FOREIGN_CONTENT[$.S] = true;
|
|
EXITS_FOREIGN_CONTENT[$.SMALL] = true;
|
|
EXITS_FOREIGN_CONTENT[$.SPAN] = true;
|
|
EXITS_FOREIGN_CONTENT[$.STRONG] = true;
|
|
EXITS_FOREIGN_CONTENT[$.STRIKE] = true;
|
|
EXITS_FOREIGN_CONTENT[$.SUB] = true;
|
|
EXITS_FOREIGN_CONTENT[$.SUP] = true;
|
|
EXITS_FOREIGN_CONTENT[$.TABLE] = true;
|
|
EXITS_FOREIGN_CONTENT[$.TT] = true;
|
|
EXITS_FOREIGN_CONTENT[$.U] = true;
|
|
EXITS_FOREIGN_CONTENT[$.UL] = true;
|
|
EXITS_FOREIGN_CONTENT[$.VAR] = true;
|
|
|
|
//Check exit from foreign content
|
|
exports.causesExit = function (startTagToken) {
|
|
var tn = startTagToken.tagName;
|
|
var isFontWithAttrs = tn === $.FONT && (Tokenizer.getTokenAttr(startTagToken, ATTRS.COLOR) !== null ||
|
|
Tokenizer.getTokenAttr(startTagToken, ATTRS.SIZE) !== null ||
|
|
Tokenizer.getTokenAttr(startTagToken, ATTRS.FACE) !== null);
|
|
|
|
return isFontWithAttrs ? true : EXITS_FOREIGN_CONTENT[tn];
|
|
};
|
|
|
|
//Token adjustments
|
|
exports.adjustTokenMathMLAttrs = function (token) {
|
|
for (var 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.adjustTokenSVGAttrs = function (token) {
|
|
for (var i = 0; i < token.attrs.length; i++) {
|
|
var adjustedAttrName = SVG_ATTRS_ADJUSTMENT_MAP[token.attrs[i].name];
|
|
|
|
if (adjustedAttrName)
|
|
token.attrs[i].name = adjustedAttrName;
|
|
}
|
|
};
|
|
|
|
exports.adjustTokenXMLAttrs = function (token) {
|
|
for (var i = 0; i < token.attrs.length; i++) {
|
|
var adjustedAttrEntry = XML_ATTRS_ADJUSTMENT_MAP[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.adjustTokenSVGTagName = function (token) {
|
|
var adjustedTagName = SVG_TAG_NAMES_ADJUSTMENT_MAP[token.tagName];
|
|
|
|
if (adjustedTagName)
|
|
token.tagName = adjustedTagName;
|
|
};
|
|
|
|
//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 (var i = 0; i < attrs.length; i++) {
|
|
if (attrs[i].name === ATTRS.ENCODING) {
|
|
var 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);
|
|
}
|
|
|
|
exports.isIntegrationPoint = function (tn, ns, attrs, foreignNS) {
|
|
if ((!foreignNS || foreignNS === NS.HTML) && isHtmlIntegrationPoint(tn, ns, attrs))
|
|
return true;
|
|
|
|
if ((!foreignNS || foreignNS === NS.MATHML) && isMathMLTextIntegrationPoint(tn, ns))
|
|
return true;
|
|
|
|
return false;
|
|
};
|