protected function EasyRdf_Parser_Turtle::verifyCharacter

Verifies that the supplied character $c is one of the expected characters specified in $expected. This method will throw a exception if this is not the case. @ignore

File

drupal/core/vendor/easyrdf/easyrdf/lib/EasyRdf/Parser/Turtle.php, line 955

Class

EasyRdf_Parser_Turtle

Class to parse Turtle with no external dependancies.

Code

protected function verifyCharacter($c, $expected) {
  if ($c == -1) {
    throw new EasyRdf_Exception("Turtle Parse Error: unexpected end of file");
  }
  elseif (strpbrk($c, $expected) === false) {
    $msg = 'expected ';
    for ($i = 0; $i < strlen($expected); $i++) {
      if ($i > 0) {
        $msg .= " or ";
      }
      $msg .= '\'' . $expected[$i] . '\'';
    }
    $msg .= ", found '{$c}'";
    throw new EasyRdf_Exception("Turtle Parse Error: {$msg}");
  }
}