45 lines
1.2 KiB
PHP
45 lines
1.2 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Radio;
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final class PlaylistParser
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{
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/**
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* @return string[]
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*/
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public static function getSongs(string $playlistRaw): array
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{
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// Process as full PLS if the header is present.
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if (str_starts_with($playlistRaw, '[playlist]')) {
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$parsedPlaylist = (array)parse_ini_string($playlistRaw, true, INI_SCANNER_RAW);
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return array_filter(
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$parsedPlaylist['playlist'],
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static function ($key) {
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return str_starts_with(strtolower($key), 'file');
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},
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ARRAY_FILTER_USE_KEY
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);
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}
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// Process as a simple list of files or M3U-style playlist.
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$lines = preg_split(
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"/[\r\n]+/", // regex supports Windows, Linux/Unix & Old Macs EOL's
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$playlistRaw,
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-1,
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PREG_SPLIT_NO_EMPTY
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);
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if (false === $lines) {
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return [];
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}
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return array_filter(
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array_map('trim', $lines),
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static function ($line) {
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return $line[0] !== '#';
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}
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);
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}
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}
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