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Detect broken HTML after diff (Fixed #3229)

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This commit is contained in:
Tobias Hößl 2017-05-11 23:01:47 +02:00 committed by Emanuel Schütze
parent 2833341867
commit b340256541
2 changed files with 38 additions and 1 deletions
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26
openslides/motions/static/js/motions/diff.js
View File

@ -918,6 +918,16 @@ angular.module('OpenSlidesApp.motions.diff', ['OpenSlidesApp.motions.lineNumberi
return true;
}
// Opening tags, followed by </del> or </ins>, indicate broken HTML (if it's not a <ins> / <del>)
var brokenRegexp = /<(\w+)[^>]*><\/(ins|del)>/gi,
result;
while ((result = brokenRegexp.exec(html)) !== null) {
if (result[1].toLowerCase() !== 'ins' && result[1].toLowerCase() !== 'del') {
return true;
}
}
// If other HTML tags are contained within INS/DEL (e.g. "<ins>Test</p></ins>"), let's better be cautious
// The "!!(found=...)"-construction is only used to make jshint happy :)
var findDel = /<del>(.*?)<\/del>/gi,
@ -1090,13 +1100,27 @@ angular.module('OpenSlidesApp.motions.diff', ['OpenSlidesApp.motions.lineNumberi
return out;
});
// Remove <del> tags that only delete line numbers
diffUnnormalized = diffUnnormalized.replace(
/<del>((<BR CLASS="OS-LINE-BREAK">)?<span[^>]+OS-LINE-NUMBER[^>]+?>\s*<\/span>)<\/del>/gi,
function(found,tag) {
return tag.toLowerCase().replace(/> <\/span/gi, ">&nbsp;</span");
return tag;
}
);
// Lowercase line number markup
diffUnnormalized = diffUnnormalized.replace(
/<BR CLASS="OS-LINE-BREAK">/gi,
'<br class="os-line-break">'
);
diffUnnormalized = diffUnnormalized.replace(
/<span[^>]+OS-LINE-NUMBER[^>]+?>\s*<\/span>/gi,
function(found) {
return found.toLowerCase().replace(/> <\/span/gi, ">&nbsp;</span");
}
);
if (diffUnnormalized.substr(0, workaroundPrepend.length) === workaroundPrepend) {
diffUnnormalized = diffUnnormalized.substring(workaroundPrepend.length);
}

13
tests/karma/motions/diff.service.test.js
View File

@ -503,6 +503,19 @@ describe('linenumbering', function () {
"<div>" + noMarkup(4) + "Go on</div>"
);
});
it('detects broken HTML and lowercases class names', function () {
var before = "<p><span class=\"os-line-number line-number-3\" data-line-number=\"3\" contenteditable=\"false\">&nbsp;</span>holen, da rief sie alle sieben herbei und sprach:</p>\n\n<p><span class=\"os-line-number line-number-4\" data-line-number=\"4\" contenteditable=\"false\">&nbsp;</span><span style=\"color: #000000;\">\"Liebe Kinder, ich will hinaus in den Wald, seid auf der Hut vor dem Wolf! Wenn er <br class=\"os-line-break\"><span class=\"os-line-number line-number-5\" data-line-number=\"5\" contenteditable=\"false\">&nbsp;</span>hereinkommt, frisst er euch alle mit Haut und Haar. Der Bösewicht verstellt sich oft, aber <br class=\"os-line-break\"><span class=\"os-line-number line-number-6\" data-line-number=\"6\" contenteditable=\"false\">&nbsp;</span>an der rauen Stimme und an seinen schwarzen Füßen werdet ihr ihn schon erkennen.\"</span></p>\n\n<p><span class=\"os-line-number line-number-7\" data-line-number=\"7\" contenteditable=\"false\">&nbsp;</span>Die Geißlein sagten: \" Liebe Mutter, wir wollen uns schon in acht nehmen, du kannst ohne </p>",
after = "<p>holen, da rief sie alle sieben herbei und sprach:</p>\n\n<p><span style=\"color: #000000;\">Hello</span></p>\n\n<p><span style=\"color: #000000;\">World</span></p>\n\n<p><span style=\"color: #000000;\">Ya</span></p>\n\n<p>Die Geißlein sagten: \" Liebe Mutter, wir wollen uns schon in acht nehmen, du kannst ohne</p>";
var diff = diffService.diff(before, after);
expect(diff).toBe("<P class=\"delete\"><SPAN class=\"os-line-number line-number-3\" data-line-number=\"3\" contenteditable=\"false\"> </SPAN>holen, da rief sie alle sieben herbei und sprach:</P><DEL>\n\n</DEL>" +
"<P class=\"delete\"><SPAN class=\"os-line-number line-number-4\" data-line-number=\"4\" contenteditable=\"false\"> </SPAN><SPAN style=\"color: #000000;\">\"Liebe Kinder, ich will hinaus in den Wald, seid auf der Hut vor dem Wolf! Wenn er <BR class=\"os-line-break\"><SPAN class=\"os-line-number line-number-5\" data-line-number=\"5\" contenteditable=\"false\"> </SPAN>hereinkommt, frisst er euch alle mit Haut und Haar. Der Bösewicht verstellt sich oft, aber <BR class=\"os-line-break\"><SPAN class=\"os-line-number line-number-6\" data-line-number=\"6\" contenteditable=\"false\"> </SPAN>an der rauen Stimme und an seinen schwarzen Füßen werdet ihr ihn schon erkennen.\"</SPAN></P><DEL>\n\n</DEL><P class=\"delete\"><SPAN class=\"os-line-number line-number-7\" data-line-number=\"7\" contenteditable=\"false\"> </SPAN>Die Geißlein sagten: \" Liebe Mutter, wir wollen uns schon in acht nehmen, du kannst ohne </P>" +
"<P class=\"insert\">holen, da rief sie alle sieben herbei und sprach:</P><INS>\n\n</INS>" +
"<P class=\"insert\"><SPAN style=\"color: #000000;\">Hello</SPAN></P><INS>\n\n</INS>" +
"<P class=\"insert\"><SPAN style=\"color: #000000;\">World</SPAN></P><INS>\n\n</INS>" +
"<P class=\"insert\"><SPAN style=\"color: #000000;\">Ya</SPAN></P><INS>\n\n</INS>" +
"<P class=\"insert\">Die Geißlein sagten: \" Liebe Mutter, wir wollen uns schon in acht nehmen, du kannst ohne</P>");
});
});
describe('addCSSClassToFirstTag function', function () {