Returns a CharacterReader suitable for the charset applied.
| public getReaderFor ( string $charset ) : Swift_CharacterReader | ||
| $charset | string | |
| return | Swift_CharacterReader | |
/**
* @see Swift_CharacterStream::write()
*
* @param string $chars
*/
public function write($chars)
{
if (!isset($this->_charReader)) {
$this->_charReader = $this->_charReaderFactory->getReaderFor($this->_charset);
$this->_map = array();
$this->_mapType = $this->_charReader->getMapType();
}
$ignored = '';
$this->_datas .= $chars;
$this->_charCount += $this->_charReader->getCharPositions(substr($this->_datas, $this->_datasSize), $this->_datasSize, $this->_map, $ignored);
if ($ignored !== false) {
$this->_datasSize = strlen($this->_datas) - strlen($ignored);
} else {
$this->_datasSize = strlen($this->_datas);
}
}
/**
* Write $chars to the end of the stream.
* @param string $chars
*/
public function write($chars)
{
if (!isset($this->_charReader))
{
$this->_charReader = $this->_charReaderFactory->getReaderFor(
$this->_charset);
}
$startLength = $this->_charReader->getInitialByteSize();
$fp = fopen('php://memory', 'w+b');
fwrite($fp, $chars);
unset($chars);
fseek($fp, 0, SEEK_SET);
$buffer = array(0);
$buf_pos = 1;
$buf_len = 1;
$has_datas = true;
do
{
$bytes = array();
// Buffer Filing
if ($buf_len - $buf_pos < $startLength)
{
$buf = array_splice($buffer, $buf_pos);
$new = $this->_reloadBuffer($fp, 100);
if ($new)
{
$buffer = array_merge($buf, $new);
$buf_len = count($buffer);
$buf_pos = 0;
}
else
{
$has_datas = false;
}
}
if ($buf_len - $buf_pos > 0)
{
$size = 0;
for ($i = 0; $i < $startLength && isset($buffer[$buf_pos]); ++$i)
{
++$size;
$bytes[] = $buffer[$buf_pos++];
}
$need = $this->_charReader->validateByteSequence(
$bytes, $size);
if ($need > 0)
{
if ($buf_len - $buf_pos < $need)
{
$new = $this->_reloadBuffer($fp, $need);
if ($new)
{
$buffer = array_merge($buffer, $new);
$buf_len = count($buffer);
}
}
for ($i = 0; $i < $need && isset($buffer[$buf_pos]); ++$i)
{
$bytes[] = $buffer[$buf_pos++];
}
}
$this->_array[] = $bytes;
++$this->_array_size;
}
}
while ($has_datas);
fclose($fp);
}