/**
* Processes the loop separator. The programmer must provide the
* variable name that will be used to check if we need to apply
* the separator, and the optional value of "separator" attribute
* in the node attributes. The separator is added to the specified
* XML node.
*
* If the node contains too many opt:separator tags, an exception
* is thrown.
*
* @param string $varname The internal variable name
* @param string $arg The value of "separator" attribute
* @param Opt_Xml_Scannable $node The node the separator will be added to.
* @throws Opt_InstructionTooManyItems_Exception
*/
public function processSeparator($varname, $arg, Opt_Xml_Scannable $node)
{
$items = $node->getElementsByTagNameNS('opt', 'separator', false);
switch (sizeof($items)) {
case 1:
// Move this node to the beginning
$node->removeChild($items[0]);
$node->insertBefore($items[0], 0);
$this->_process($items[0]);
$items[0]->set('hidden', false);
// Add PHP code
$node->addBefore(Opt_Xml_Buffer::TAG_BEFORE, ' ' . $varname . ' = 0;');
$items[0]->addBefore(Opt_Xml_Buffer::TAG_BEFORE, 'if(' . $varname . ' == 1){');
$items[0]->addAfter(Opt_Xml_Buffer::TAG_AFTER, '}else{ ' . $varname . ' = 1; }');
break;
case 0:
if (!is_null($arg)) {
$node->addBefore(Opt_Xml_Buffer::TAG_BEFORE, $varname . ' = 0;');
$node->addBefore(Opt_Xml_Buffer::TAG_CONTENT_BEFORE, 'if(' . $varname . ' == 1){ echo ' . $arg . '; }else{ ' . $varname . ' = 1; }');
}
break;
default:
throw new Opt_InstructionTooManyItems_Exception('opt:separator', $node->getXmlName(), 'Zero or one');
}
}
/**
* Skip this test due to a bug in PHPUnit.
*
* @skip
* @covers Opt_Xml_Scannable::insertBefore
*/
public function testInsertBefore()
{
$mock = array(0 => $this->getMock('Opt_Xml_Node'));
$mock[0]->expects($this->exactly(1))->method('setParent')->with($this->isInstanceOf('Opt_Xml_Scannable'));
$mock[1] = $this->getMock('Opt_Xml_Node');
$mock[1]->expects($this->exactly(1))->method('setParent')->with($this->isInstanceOf('Opt_Xml_Scannable'));
$mock[2] = $this->getMock('Opt_Xml_Node');
$mock[2]->expects($this->exactly(1))->method('setParent')->with($this->isInstanceOf('Opt_Xml_Scannable'));
$this->_obj->appendChild($mock[0]);
$this->_obj->appendChild($mock[1]);
$this->_obj->insertBefore($mock[2], 1);
$suggestedOutput = array(0 => $mock[0], $mock[2], $mock[1]);
$i = 0;
foreach ($this->_obj as $obj) {
$this->assertSame($suggestedOutput[$i], $obj);
$i++;
}
}
