public function testTokens()
{
$input = new ParseInput(array(array('int', 5), array('op', '+'), array('int', 2)));
$this->assertTrue($input->acceptToken('int', $token));
$this->assertEquals(5, $token[1]);
$this->assertFalse($input->acceptToken('int'));
$this->assertThrows('Jivoo\\Core\\Parse\\ParseException', function () use($input) {
$input->expectToken('int');
});
$token = $input->expectToken('op');
$this->assertEquals('op', $token[0]);
$this->assertEquals('+', $token[1]);
}
public static function parseColumn(ParseInput $input)
{
if ($input->acceptToken('model', $mToken)) {
$input->expectToken('dot');
if (!$input->acceptToken('field', $fToken)) {
$fToken = $input->expectToken('name');
}
return new FieldAccess($fToken[1], $mToken[1]);
}
if (!$input->acceptToken('field', $first)) {
$first = $input->expectToken('name');
}
if ($input->acceptToken('dot')) {
if (!$input->acceptToken('field', $fToken)) {
$fToken = $input->expectToken('name');
}
return new FieldAccess($fToken[1], $first[1]);
}
return new FieldAccess($first[1]);
}
/**
* @param ParseInput $input
* @return string
*/
public static function parseInt(ParseInput $input)
{
while (is_numeric($input->peek())) {
$int .= $input->pop();
}
if ($int == '') {
return null;
}
return $int;
}
