public function testParseExceptions()
{
try {
CssSelector::toXPath('h1:');
$this->fail('->parse() throws an Exception if the css selector is not valid');
} catch (\Exception $e) {
$this->assertInstanceOf('\\Symfony\\Component\\CssSelector\\Exception\\ParseException', $e, '->parse() throws an Exception if the css selector is not valid');
$this->assertEquals("Expected identifier, but <eof at 3> found.", $e->getMessage(), '->parse() throws an Exception if the css selector is not valid');
}
}
public function children($query = null)
{
$children = array();
if (!$this->hasChildren()) {
return $children;
}
if ($query == null) {
foreach ($this->childNodes as $child) {
if ($child->nodeType == XML_ELEMENT_NODE) {
$children[] = $child;
}
}
return $children;
}
return $this->query(CssSelector::toXPath($query, 'child::'));
}
function toXPath($cssExpr, $prefix = 'descendant-or-self::')
{
return CssSelector::toXPath($cssExpr, $prefix);
}
public function find($query)
{
return $this->xpath()->query(CssSelector::toXPath($query, 'descendant::'));
}