Viewing file:  Encoding.php (990 B) -rw-r--r--
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<?php
/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
namespace AWS\CRT\Internal;
final class Encoding {
public static function readString(&$buffer) {
list($len, $str) = self::decodeString($buffer);
// Advance by sizeof(length) + strlen(str)
$buffer = substr($buffer, 4 + $len);
return $str;
}
public static function readStrings($buffer) {
$strings = [];
while (strlen($buffer)) {
$strings []= self::readString($buffer);
}
return $strings;
}
public static function decodeString($buffer) {
$len = unpack("N", $buffer)[1];
$buffer = substr($buffer, 4);
$str = unpack("a${len}", $buffer)[1];
return [$len, $str];
}
public static function encodeString($str) {
if (is_array($str)) {
$str = $str[0];
}
return pack("Na*", strlen($str), $str);
}
}
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