public function testForwarding() { $scanner = new Scanner(new File(FILES_DIR . 'not_empty_file')); $scanner->getFile()->nextChar(); $this->assertEquals('ot', $scanner->forward(2)); $scanner->getFile()->nextChar(); $this->assertEquals('empty_file', $scanner->forward(20)); }
public static function parse(Scanner $scanner) { $file = $scanner->getFile(); $char = $file->nextChar(); $state = 0; $value = ''; $pos = 0; while (true) { switch ($state) { case 0: // Ex: "value" if ($char == '"') { $state = 1; $pos = $file->find('"'); // Ex: 'value' } elseif ($char == "'") { $state = 2; $pos = $file->find("'"); // Exception } else { // Unexpected EOF if ($char == false) { throw ExceptionFactory::createUnexpectedEOF(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine()); // Unexpected Char } else { throw ExceptionFactory::createUnexpectedChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), $char); } } break; case 1: // Char " not found if ($pos === false) { throw ExceptionFactory::createCannotFindChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), '"'); } // Get the value $value .= $scanner->forward($pos); // Bypass " $scanner->forward(1); break 2; case 2: // Char ' not found if ($pos === false) { throw ExceptionFactory::createCannotFindChar(__FILE__, __LINE__, $file->getFileName(), $file->getCurrentLine(), "'"); } // Get the value $value .= $scanner->forward($pos); // Bypass ' $scanner->forward(1); break 2; } } // Next lookAhead $scanner->setLookAhead(Token::T_ATTRIBUTE | Token::T_END | Token::T_CLOSE); // T_VALUE token found return new SimpleToken(Token::T_VALUE, $value); }
public static function parse(Scanner $scanner) { // We eat the character > $scanner->forward(1); // Next lookAhead $scanner->setLookAhead(Token::T_OPEN_TAG | Token::T_CLOSE_TAG | Token::T_TEXT); // T_END token found return new Token(Token::T_END); }