/**
* @param ViewElement $viewElement
* @param integer $arity
* @param array $arguments
*/
public function evaluate(ViewElementTag $viewElement, $arity, $arguments)
{
if ($arity != 3) {
throw new FunctionCallException('if', 'Expected 3 arguments, ' . $arity . ' received.', $viewElement->getCurrentFile()->getFilename(), $viewElement->getLineNumber());
}
return $arguments[0] ? $arguments[1] : $arguments[2];
}
/**
* @param ViewElement $viewElement
*/
public function evaluate(ViewElementTag $viewElement)
{
if ($this->function === null) {
//Instantiate the Function handler:
/** @var FunctionFactory[] $factories */
$factories = $viewElement->getView()->getFunctionFactories();
if (null != $factories && is_array($factories)) {
foreach ($factories as $factory) {
if (null !== ($this->function = $factory->lookup($this->name))) {
break;
}
}
}
if ($this->function == null) {
$logger = LoggerFactory::getLogger(__CLASS__);
$message = 'Undeclared function: ' . $this->name;
$logger->error($message);
throw new FunctionNotFoundException($this->name);
}
}
$arguments = array();
if ($this->operands) {
foreach ($this->operands as $operandToken) {
$arguments[] = $operandToken->evaluate($viewElement);
}
}
return $this->function->evaluate($viewElement, $this->arity, $arguments);
}
/**
* @param {@link ViewElement} $viewElement
* @param integer $arity
* @param array $arguments
*/
public function evaluate(ViewElementTag $viewElement, $arity, $arguments)
{
/**
* @var Iteration
*/
$iteration = $viewElement->getIteration();
return $iteration->getPosition();
}
/**
* Function's arguments:
* string to escape
*
* @param ViewElement $viewElement
* @param integer $arity
* @param array $arguments
*/
public function evaluate(ViewElementTag $viewElement, $arity, $arguments)
{
if ($arity != 1) {
throw new FunctionCallException('htmlentities', 'Expects exactly 1 argument.', $viewElement->getCurrentFile()->getFilename(), $viewElement->getLineNumber());
}
$string = $arguments[0];
return htmlentities($string);
}
/**
* Function's arguments:
* timestamp, format [, locale]
*
* @param ViewElement $viewElement
* @param integer $arity
* @param array $arguments
*/
public function evaluate(ViewElementTag $viewElement, $arity, $arguments)
{
if ($arity <= 1) {
throw new FunctionCallException('substr', 'Too few arguments.', $viewElement->getCurrentFile()->getFilename(), $viewElement->getLineNumber());
}
$string = $arguments[0];
$start = $arguments[1];
if (3 <= $arity) {
$length = $arguments[2];
return substr($string, $start, $length);
} else {
return substr($string, $start);
}
}
public function getViewLine()
{
return $this->viewElement->getLineNumber();
}
/**
* @param ViewElement $viewElement
* @param integer $arity
* @param array $arguments
*/
public function evaluate(ViewElementTag $viewElement, $arity, $arguments)
{
$iteration = $viewElement->getIteration();
return $iteration->last();
}
private function openTagHandler($xmlParser, $tagName, $attributes)
{
if ($this->firstOpening) {
$this->firstOpening = false;
$positionOfFirstTag = xml_get_current_byte_index($xmlParser);
$this->firstTagOffset = strpos($this->source, "<{$tagName}") - $positionOfFirstTag;
//Position the namespace:
$matches = null;
foreach ($attributes as $attrName => $attrValue) {
if (preg_match('/figdice/', $attrValue) && preg_match('/xmlns:(.+)/', $attrName, $matches)) {
$this->figNamespace = $matches[1] . ':';
break;
}
}
}
$lineNumber = xml_get_current_line_number($xmlParser);
if ($this->parentViewElement) {
$view =& $this->parentViewElement->view;
} else {
$view =& $this;
}
if ($tagName == $this->figNamespace . TagFigAttr::TAGNAME) {
$newElement = new TagFigAttr($view, $tagName, $lineNumber);
} else {
$newElement = new ViewElementTag($view, $tagName, $lineNumber);
}
$newElement->setCurrentFile($this->file);
$newElement->setAttributes($attributes);
if ($this->rootNode === null && $this->parentViewElement) {
$this->rootNode =& $this->parentViewElement;
$this->stack[] =& $this->parentViewElement;
}
if ($this->rootNode) {
/** @var ViewElementTag $parentElement */
$parentElement =& $this->stack[count($this->stack) - 1];
$newElement->parent =& $parentElement;
//Since the new element has a parent, then the parent is not autoclose.
$newElement->parent->autoclose = false;
$parentElement->appendChild($newElement);
} else {
//If there no root node yet, then this new element is actually
//the root element for the view.
$this->rootNode =& $newElement;
}
$this->stack[] =& $newElement;
}
/**
* @param ViewElement $viewElement
* @param integer $arity
* @param array $arguments
*/
public function evaluate(ViewElementTag $viewElement, $arity, $arguments)
{
$iteration = $viewElement->getIteration();
$position = $iteration->getPosition();
return $position % 2 == 0;
}
private function openTagHandler($xmlParser, $tagName, $attributes)
{
if ($this->firstOpening) {
$this->firstOpening = false;
//Position the namespace:
$matches = null;
foreach ($attributes as $attrName => $attrValue) {
if (preg_match('/figdice/', $attrValue) && preg_match('/xmlns:(.+)/', $attrName, $matches)) {
$this->figNamespace = $matches[1] . ':';
break;
}
}
// Remove the fig xmlns directive from the list of attributes of the opening root tag
// (as it should not be rendered)
unset($attributes['xmlns:' . substr($this->figNamespace, 0, strlen($this->figNamespace) - 1)]);
}
$lineNumber = xml_get_current_line_number($xmlParser);
if ($this->parentViewElement) {
$view =& $this->parentViewElement->view;
} else {
$view =& $this;
}
if ($tagName == $this->figNamespace . TagFigAttr::TAGNAME) {
$newElement = new TagFigAttr($view, $tagName, $lineNumber);
} else {
$newElement = new ViewElementTag($view, $tagName, $lineNumber);
}
$newElement->setCurrentFile($this->file);
$newElement->setAttributes($attributes);
if ($this->rootNode === null && $this->parentViewElement) {
$this->rootNode =& $this->parentViewElement;
$this->stack[] =& $this->parentViewElement;
}
if ($this->rootNode) {
/** @var ViewElementTag $parentElement */
$parentElement =& $this->stack[count($this->stack) - 1];
$newElement->parent =& $parentElement;
//Since the new element has a parent, then the parent is not autoclose.
$newElement->parent->autoclose = false;
$parentElement->appendChild($newElement);
} else {
//If there no root node yet, then this new element is actually
//the root element for the view.
$this->rootNode =& $newElement;
}
$this->stack[] =& $newElement;
}
