function lessc::parse in Less CSS Preprocessor 6.3

Same name and namespace in other branches

1. 6 lessc.inc.php \lessc::parse()

File

lessphp/lessc.inc.php, line 1209

Class

lessc

Code

function parse($str = null) {
  if ($str) {
    $this->buffer = $str;
  }
  $this->env = array();
  $this->expandStack = array();
  $this->count = 0;
  $this->line = 1;
  $this->buffer = $this
    ->removeComments($this->buffer);
  $this
    ->push();

  // set up global scope
  $this
    ->set('__tags', array(
    '',
  ));

  // equivalent to 1 in tag multiplication
  // trim whitespace on head
  if (preg_match('/^\\s+/', $this->buffer, $m)) {
    $this->line += substr_count($m[0], "\n");
    $this->buffer = ltrim($this->buffer);
  }
  $out = '';
  while (false !== ($compiled = $this
    ->chunk())) {
    if (is_string($compiled)) {
      $out .= $compiled;
    }
  }
  if ($this->count != strlen($this->buffer)) {
    $this
      ->throwParseError();
  }
  if (count($this->env) > 1) {
    throw new exception('parse error: unclosed block');
  }

  // print_r($this->env);
  return $out;
}