Class AvroStringIO

lang/php/lib/IO/AvroStringIO.php:29–252

* AvroIO wrapper for string access * @package Avro */

 * @package Avro
 */
class AvroStringIO extends AvroIO
{
    /**
     * @var string
     */
    private $string_buffer;
    /**
     * @var int  current position in string
     */
    private $current_index;
    /**
     * @var boolean whether or not the string is closed.
     */
    private $is_closed;

    /**
     * @param string $str initial value of AvroStringIO buffer. Regardless
     *                    of the initial value, the pointer is set to the
     *                    beginning of the buffer.
     * @throws AvroIOException if a non-string value is passed as $str
     */
    public function __construct($str = '')
    {
        $this->is_closed = false;
        $this->string_buffer = '';
        $this->current_index = 0;

        if (is_string($str)) {
            $this->string_buffer .= $str;
        } else {
            throw new AvroIOException(
                sprintf('constructor argument must be a string: %s', gettype($str))
            );
        }
    }

    /**
     * Append bytes to this buffer.
     * (Nothing more is needed to support Avro.)
     * @param string $arg bytes to write
     * @returns int count of bytes written.
     * @throws AvroIOException if $args is not a string value.
     */
    public function write($arg)
    {
        $this->checkClosed();
        if (is_string($arg)) {
            return $this->appendStr($arg);
        }
        throw new AvroIOException(
            sprintf(
                'write argument must be a string: (%s) %s',
                gettype($arg),
                var_export($arg, true)
            )
        );
    }