/**
* Compiles AngularJS ng-value attributes by evaluating expression inside it
* and setting value attribute.
*
* @param \DOMElement $domElement DOM element to compile.
* @param Scope $scope Scope object containing data for expression.
* @return \DOMElement Compiled DOM element.
*/
public function compile(\DOMElement $domElement, Scope $scope)
{
$expressionString = $domElement->getAttribute('ng-value');
$expression = new Expression($this->phCompile);
$expressionValue = $expression->compile($expressionString, $scope);
$domElement->setAttribute('value', $expressionValue);
return $domElement;
}
/**
* Renders AngularJS ng-show and ng-hide attributes by evaluating expression
* inside them and setting "ng-hide" class if needed.
*
* @param \DOMElement $domElement DOM element to render.
* @param Scope $scope Scope object containing data for expression.
* @return \DOMElement Compiled DOM element.
*/
public function compile(\DOMElement $domElement, Scope $scope)
{
$expressionString = $domElement->getAttribute('ng-show');
/**
* Get attribute expression's value.
*/
$expression = new Expression($this->phCompile);
$expressionValue = (bool) $expression->compile($expressionString, $scope);
/**
* Set appropriate class to DOM element if needed.
*/
if ($expressionValue === false) {
Utils::addClass($domElement, 'ng-hide');
}
return $domElement;
}
/**
* Compiles AngularJS ng-src attributes by evaluating expression inside it
* and setting src attribute.
*
* @param \DOMElement $domElement DOM element to compile.
* @param Scope $scope Scope object containing data for expression.
* @return \DOMElement Compiled DOM element.
*/
public function compile(\DOMElement $domElement, Scope $scope)
{
$attrValue = $domElement->getAttribute('ng-src');
$foundExpressions = array();
$expression = new Expression($this->phCompile);
/**
* Find all {{}} expressions.
*/
preg_match_all('/{{([^}]+)}}/', $attrValue, $foundExpressions);
foreach ($foundExpressions[1] as $foundExpression) {
/**
* Render and cover with span for easy client-site reverting.
*/
$renderedExpression = $expression->compile($foundExpression, $scope);
/**
* Replace {{}} expression with rendered value.
*/
$attrValue = str_replace('{{' . $foundExpression . '}}', $renderedExpression, $attrValue);
}
$domElement->setAttribute('src', $attrValue);
return $domElement;
}
/**
* Finds and compiles expressions in template's HTML.
*/
protected function compileExpressions()
{
$foundExpressions = array();
$renderAttribute = $this->phCompile->getConfig('compile.attr');
$expression = new Expression($this->phCompile);
/**
* Find all {{}} expressions.
*/
preg_match_all('/{{([^}]+)}}/', $this->html, $foundExpressions);
foreach ($foundExpressions[1] as $foundExpression) {
/**
* Render and cover with span for easy client-site reverting.
*/
$renderedExpression = $expression->compile($foundExpression, $this->scope);
$renderedExpression = '<span ' . $renderAttribute . '="' . $foundExpression . '">' . $renderedExpression . '</span>';
/**
* Replace {{}} expression with rendered value.
*/
$this->html = str_replace('{{' . $foundExpression . '}}', $renderedExpression, $this->html);
}
}
/**
* Compiles ng-class attribute as expression evaluating to object with values
* to evaluate and keys as class names.
*
* @param string $classAttr Ng-class attribute value.
* @param Scope $scope Scope object with data for current expression.
* @return string Compiled class string.
*/
protected function compileObject($classAttr, $scope)
{
$expression = new Expression($this->phCompile);
$classArray = explode(',', trim($classAttr, ' {}'));
array_walk($classArray, function (&$singleExpression) {
$singleExpression = explode(':', $singleExpression);
});
$classString = '';
foreach ($classArray as $singleClassArray) {
if ($expression->compile(trim($singleClassArray[1]), $scope) == true) {
$classString .= ' ' . trim($singleClassArray[0]);
}
}
return trim($classString);
}
/**
* @expectedException PhCompile\Template\Expression\InvalidExpressionException
*/
public function testForbidFunction()
{
$this->scope->setData(array());
$expression = new Expression($this->phCompile);
$expression->compile('system()', $this->scope);
}
