public function testFindPattern() { $reader = new Reader('hello'); $this->assertFalse($reader->findPattern('/world/')); $this->assertEquals(array('hello', 'h'), $reader->findPattern('/^([a-z]).*/')); $this->assignPosition($reader, 2); $this->assertFalse($reader->findPattern('/^h.*/')); $this->assertEquals(array('llo'), $reader->findPattern('/^llo$/')); }
/** * {@inheritdoc} */ public function handle(Reader $reader, TokenStream $stream) { $match = $reader->findPattern($this->patterns->getNumberPattern()); if (!$match) { return false; } $stream->push(new Token(Token::TYPE_NUMBER, $match[0], $reader->getPosition())); $reader->moveForward(strlen($match[0])); return true; }
/** * * {@inheritdoc} * */ public function handle(Reader $reader, TokenStream $stream) { $match = $reader->findPattern('~^[ \\t\\r\\n\\f]+~'); if (false === $match) { return false; } $stream->push(new Token(Token::TYPE_WHITESPACE, $match[0], $reader->getPosition())); $reader->moveForward(strlen($match[0])); return true; }
/** * {@inheritdoc} */ public function handle(Reader $reader, TokenStream $stream) { $match = $reader->findPattern($this->patterns->getIdentifierPattern()); if (!$match) { return false; } $value = $this->escaping->escapeUnicode($match[0]); $stream->push(new Token(Token::TYPE_IDENTIFIER, $value, $reader->getPosition())); $reader->moveForward(strlen($match[0])); return true; }
/** * {@inheritdoc} */ public function handle(Reader $reader, TokenStream $stream) { $quote = $reader->getSubstring(1); if (!in_array($quote, array("'", '"'))) { return false; } $reader->moveForward(1); $match = $reader->findPattern($this->patterns->getQuotedStringPattern($quote)); if (!$match) { throw new InternalErrorException(sprintf('Should have found at least an empty match at %s.', $reader->getPosition())); } // check unclosed strings if (strlen($match[0]) === $reader->getRemainingLength()) { throw SyntaxErrorException::unclosedString($reader->getPosition() - 1); } // check quotes pairs validity if ($quote !== $reader->getSubstring(1, strlen($match[0]))) { throw SyntaxErrorException::unclosedString($reader->getPosition() - 1); } $string = $this->escaping->escapeUnicodeAndNewLine($match[0]); $stream->push(new Token(Token::TYPE_STRING, $string, $reader->getPosition())); $reader->moveForward(strlen($match[0]) + 1); return true; }