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fix for MathML not rendered correctly; Include style menu option not saved

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Alex Adam 2018-07-14 17:32:45 +03:00
parent 8a8db5c1db
commit 77d622d460
3 changed files with 42 additions and 7 deletions
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37
web-extension/extractHtml.js
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@ -10,8 +10,13 @@ var allowedTags = [
'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'tr',
'math', 'maction', 'menclose', 'merror', 'mfenced', 'mfrac', 'mglyph', 'mi', 'mlabeledtr', 'mmultiscripts', 'mn', 'mo', 'mover', 'mpadded', 'mphantom', 'mroot',
'mrow', 'ms', 'mspace', 'msqrt', 'mstyle', 'msub', 'msup', 'msubsup', 'mtable', 'mtd', 'mtext', 'mtr', 'munder', 'munderover', 'msgroup', 'mlongdiv', 'mscarries',
'mscarry', 'mstack'
'mscarry', 'mstack', 'semantics'
];
var mathMLTags = [
'math', 'maction', 'menclose', 'merror', 'mfenced', 'mfrac', 'mglyph', 'mi', 'mlabeledtr', 'mmultiscripts', 'mn', 'mo', 'mover', 'mpadded', 'mphantom', 'mroot',
'mrow', 'ms', 'mspace', 'msqrt', 'mstyle', 'msub', 'msup', 'msubsup', 'mtable', 'mtd', 'mtext', 'mtr', 'munder', 'munderover', 'msgroup', 'mlongdiv', 'mscarries',
'mscarry', 'mstack', 'semantics'
]
var cssClassesToTmpIds = {};
var tmpIdsToNewCss = {};
// src: https://idpf.github.io/a11y-guidelines/content/style/reference.html
@ -34,10 +39,14 @@ function getImageSrc(srcTxt) {
if (srcTxt === '') {
return '';
}
var isB64Img = isBase64Img(srcTxt);
var fileExtension = getFileExtension(srcTxt);
if (fileExtension === '') {
return '';
}
var newImgFileName = 'img-' + (Math.floor(Math.random()*1000000*Math.random()*100000)) + '.' + fileExtension;
var isB64Img = isBase64Img(srcTxt);
if (isB64Img) {
extractedImages.push({
filename: newImgFileName, // TODO name
@ -197,14 +206,21 @@ function sanitize(rawContentString) {
if (tag === 'img') {
var tmpAttrsTxt = '';
let tmpSrc = ''
for (var i = 0; i < attrs.length; i++) {
if (attrs[i].name === 'src') {
tmpAttrsTxt += ' src="' + getImageSrc(attrs[i].value) + '"';
tmpSrc = getImageSrc(attrs[i].value)
tmpAttrsTxt += ' src="' + tmpSrc + '"';
} else if (attrs[i].name === 'data-class') {
tmpAttrsTxt += ' class="' + attrs[i].value + '"';
}
}
lastFragment = tmpAttrsTxt.length === 0 ? '<img></img>' : '<img ' + tmpAttrsTxt + ' alt=""></img>';
if (tmpSrc === '') {
// ignore imgs without source
lastFragment = ''
} else {
lastFragment = tmpAttrsTxt.length === 0 ? '<img></img>' : '<img ' + tmpAttrsTxt + ' alt=""></img>';
}
} else if (tag === 'a') {
var tmpAttrsTxt = '';
for (var i = 0; i < attrs.length; i++) {
@ -223,6 +239,15 @@ function sanitize(rawContentString) {
}
}
lastFragment = '<' + tag + ' ' + tmpAttrsTxt + '></' + tag + '>';
} else if (tag === 'math') {
var tmpAttrsTxt = '';
tmpAttrsTxt += ' xmlns="http://www.w3.org/1998/Math/MathML"';
for (var i = 0; i < attrs.length; i++) {
if (attrs[i].name === 'alttext') {
tmpAttrsTxt += ' alttext="' + attrs[i].value + '"';
}
}
lastFragment = '<' + tag + ' ' + tmpAttrsTxt + '>';
} else {
var tmpAttrsTxt = '';
for (var i = 0; i < attrs.length; i++) {
@ -328,6 +353,10 @@ function extractCss(appliedStyles, callback) {
if (response.includeStyle) {
$('body').find('*').each(function (i, pre) {
var $pre = $(pre);
if (allowedTags.indexOf(pre.tagName.toLowerCase()) < 0) return;
if (mathMLTags.indexOf(pre.tagName.toLowerCase()) > -1) return;
if (!$pre.is(':visible')) {
$pre.replaceWith('');
} else {