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fix(WebVTT): Add support to  , ‎ and ‏ #4920

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merged 2 commits into from
Jan 20, 2023
Merged

fix(WebVTT): Add support to  , ‎ and ‏ #4920

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150d539
fix(WebVTT): Add support to  , ‎ and ‏
avelad Jan 20, 2023
1fbab18
Some fixes
avelad Jan 20, 2023
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9 changes: 6 additions & 3 deletions lib/text/vtt_text_parser.js
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Original file line number Diff line number Diff line change
Expand Up @@ -940,8 +940,8 @@ shaka.text.VttTextParser = class {
}

/**
* This method converts the HTML entities &, <, >, ", and
* ' in string to their corresponding characters.
* This method converts the HTML entities &, <, >, ", ',
*  , ‎ and ‏ in string to their corresponding characters.
*
* @param {!string} input
* @return {string}
Expand All @@ -955,10 +955,13 @@ shaka.text.VttTextParser = class {
'>': '>',
'"': '"',
''': '\'',
' ': '\u{a0}',
'‎': '\u{200e}',
'‏': '\u{200f}',
};

// Used to match HTML entities and HTML characters.
const reEscapedHtml = /&(?:amp|lt|gt|quot|#(0+)?39);/g;
const reEscapedHtml = /&(?:amp|lt|gt|quot|#(0+)?39|nbsp|lrm|rlm);/g;
const reHasEscapedHtml = RegExp(reEscapedHtml.source);
// This check is an optimization, since replace always makes a copy
if (input && reHasEscapedHtml.test(input)) {
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4 changes: 2 additions & 2 deletions test/text/vtt_text_parser_unit.js
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Expand Up @@ -852,11 +852,11 @@ describe('VttTextParser', () => {
it('support escaped html payload', () => {
verifyHelper(
[
{startTime: 20.1, endTime: 40.505, payload: '"Test & 1"'},
{startTime: 20.1, endTime: 40.505, payload: '"Test & 1"\u{a0}'},
],
'WEBVTT\n\n' +
'00:00:20.100 --> 00:00:40.505\n' +
'"Test & 1"',
'"Test & 1" ',
{periodStart: 0, segmentStart: 0, segmentEnd: 0, vttOffset: 0});
});

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