public function testUntil()
{
$lexer = new Lexer('foo and bar "string\\"end".');
$this->assertEquals('foo and bar ', $lexer->until(Tokens::T_DOUBLE_QUOTE));
$lexer->match(Tokens::T_DOUBLE_QUOTE);
$this->assertEquals('string\\"end', $lexer->until(Tokens::T_DOUBLE_QUOTE));
$lexer->match(Tokens::T_DOUBLE_QUOTE);
$lexer = new Lexer('((abc def) (ghi))');
$this->assertEquals('(', $lexer->match(Tokens::T_COMPOSITE_BEGIN));
$this->assertEquals('(', $lexer->match(Tokens::T_COMPOSITE_BEGIN));
$this->assertEquals('abc', $lexer->until(array(Tokens::T_COMPOSITE_END, Tokens::T_COMPOSITE_SEPARATOR)));
$this->assertEquals(' ', $lexer->match(Tokens::T_COMPOSITE_SEPARATOR));
$this->assertEquals('def', $lexer->until(array(Tokens::T_COMPOSITE_END, Tokens::T_COMPOSITE_SEPARATOR)));
$this->assertEquals(')', $lexer->match(Tokens::T_COMPOSITE_END));
$this->assertEquals(' ', $lexer->match(Tokens::T_COMPOSITE_SEPARATOR));
$this->assertEquals('(', $lexer->match(Tokens::T_COMPOSITE_BEGIN));
$this->assertEquals('ghi', $lexer->until(array(Tokens::T_COMPOSITE_END, Tokens::T_COMPOSITE_SEPARATOR)));
$this->assertEquals(')', $lexer->match(Tokens::T_COMPOSITE_END));
$this->assertEquals(')', $lexer->match(Tokens::T_COMPOSITE_END));
$this->assertTrue($lexer->isEol());
}
protected function parseFieldIdentifier(Lexer $lexer)
{
$domain = array();
while ($lexer->isNextToken(Tokens::T_IDENTIFIER)) {
$domain[] = $lexer->match(Tokens::T_IDENTIFIER);
if ($lexer->isNextToken(Tokens::T_HIERARCHY_SEPARATOR)) {
$lexer->match(Tokens::T_HIERARCHY_SEPARATOR);
}
}
return new Expr\FieldIdentifier(implode('.', $domain));
}