rx-player
Version:
Canal+ HTML5 Video Player
45 lines (44 loc) • 1.68 kB
JavaScript
/**
* Copyright 2015 CANAL+ Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import isNonEmptyString from "../../../utils/is_non_empty_string";
import { findEndOfCueBlock, isStartOfCueBlock } from "./utils";
/**
* Get cue blocks from a WebVTT file.
* @param {Array.<string>} linified - Whole WebVTT file. Each new element in
* this array is a new line.
* @param {number} headerOffset - index of the first line after the header.
* Used to avoid taking the header into consideration.
* @returns {Array.<Array.<string>>}
*/
export default function getCueBlocks(linified, headerOffset) {
const cueBlocks = [];
for (let i = headerOffset; i < linified.length; i++) {
if (isStartOfCueBlock(linified, i)) {
const endOfCue = findEndOfCueBlock(linified, i);
cueBlocks.push(linified.slice(i, endOfCue));
i = endOfCue;
}
else if (isNonEmptyString(linified[i])) {
// continue incrementing i until either:
// - empty line
// - end
while (isNonEmptyString(linified[i])) {
i++;
}
}
}
return cueBlocks;
}