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<?php |
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declare(strict_types=1); |
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namespace KEINOS\MSTDN_TOOLS\Parser; |
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class ParserStaticMethods |
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{ |
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public static function convertEOL(string $string, string $to = "\n"): string |
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{ |
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return strtr($string, array_fill_keys(array("\r\n", "\r", "\n"), $to)); |
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} |
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/** |
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* extractDataFromString |
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* |
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* @param string $string |
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* @return bool|string |
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*/ |
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public static function extractDataFromString(string $string) |
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{ |
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$result = self::trimEOL(self::getStringAfter('data: ', $string)); |
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return ($result === trim($string)) ? false : $result; |
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} |
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public static function getStringAfter(string $needle, string $haystack): string |
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{ |
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$pos_needle = strpos($haystack, $needle); |
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if (false === $pos_needle) { |
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return $haystack; |
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} |
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return substr($haystack, $pos_needle + strlen($needle)); |
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} |
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public static function isBlank(string $string): bool |
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{ |
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return empty(trim($string)); |
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} |
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public static function isByteLenOfPayload(string $string): bool |
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{ |
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// data length string given is greater than FFF + CR + LF = 5 bytes |
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$len_min = 5; |
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if ($len_min < strlen($string)) { |
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return false; |
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} |
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$string = trim($string); |
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if (! ctype_xdigit($string)) { |
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return false; |
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} |
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return true; |
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} |
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public static function isDataBeginPayload(string $haystack): bool |
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{ |
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$needle = 'data: {'; |
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return $needle === substr(trim($haystack), 0, strlen($needle)); |
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} |
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public static function isDataEndPayload(string $haystack): bool |
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{ |
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$needle = '}'; |
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return $needle === substr(trim($haystack), strlen($needle) * -1); |
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} |
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public static function isDataTootId(string $string): bool |
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{ |
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return is_numeric(trim(str_replace('data:', '', $string))); |
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} |
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public static function isEvent(string $haystack): bool |
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{ |
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$needle = 'event:'; |
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return $needle === substr(trim($haystack), 0, strlen($needle)); |
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} |
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public static function isEventDelete(string $string): bool |
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{ |
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return 'event: delete' === trim($string); |
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} |
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public static function isEventUpdate(string $string): bool |
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{ |
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return 'event: update' === trim($string); |
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} |
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public static function isThump(string $string): bool |
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{ |
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return ':thump' === trim($string); |
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} |
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public static function trimEOL(string $string): string |
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{ |
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$string = self::convertEOL($string); |
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return rtrim($string, "\n"); |
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} |
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} |
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KEINOS /
Mastodon_StreamingAPI_Parser
