Esempio n. 1
0
 public function setInput(StringInterface $string)
 {
     $this->result = null;
     $this->lexer->setInput((string) $string);
     $this->currentStyle = new Style();
     return $this;
 }
 /**
  * Parse the template to a regular expression
  *
  * @param string $template
  * @return string
  * @throws ParserException
  */
 public function parse($template)
 {
     $this->lexer->setInput($template);
     $regex = '';
     while ($this->lexer->moveNext()) {
         switch ($this->lexer->lookahead['type']) {
             case Lexer::T_PLACEHOLDER_START:
                 $regex .= $this->parsePlaceholder();
                 break;
             case Lexer::T_STRING:
                 $regex .= $this->lexer->lookahead['value'];
                 break;
             default:
                 $this->syntaxError(sprintf('%s or %s', $this->lexer->getLiteral(Lexer::T_PLACEHOLDER_START), $this->lexer->getLiteral(Lexer::T_STRING)));
         }
     }
     return "#^{$regex}\$#";
 }