/**
* @group ZF-9450
*/
public function testUnescapeOctal()
{
$input = array(0304 => '\\304', 0326 => '\\326', 0334 => '\\334');
foreach ($input as $k => $v) {
$this->assertEquals(InternalType\StringObject::unescape($v), chr($k), 'expected German Umlaut');
}
}
/**
* Read string PDF object
* Also reads trailing ')' from a pdf stream
*
* @return \Zend\Pdf\InternalType\StringObject
* @throws \Zend\Pdf\Exception
*/
private function _readString()
{
$start = $this->offset;
$openedBrackets = 1;
$this->offset += strcspn($this->data, '()\\', $this->offset);
while ($this->offset < strlen($this->data)) {
switch (ord($this->data[$this->offset])) {
case 0x28:
// '(' - opened bracket in the string, needs balanced pair.
$this->offset++;
$openedBrackets++;
break;
case 0x29:
// ')' - pair to the opened bracket
$this->offset++;
$openedBrackets--;
break;
case 0x5c:
// '\\' - escape sequence, skip next char from a check
$this->offset += 2;
}
if ($openedBrackets == 0) {
break;
// end of string
}
$this->offset += strcspn($this->data, '()\\', $this->offset);
}
if ($openedBrackets != 0) {
throw new Pdf\Exception(sprintf('PDF file syntax error. Unexpected end of file while string reading. Offset - 0x%X. \')\' expected.', $start));
}
return new InternalType\StringObject(InternalType\StringObject::unescape(substr($this->data, $start, $this->offset - $start - 1)));
}
