public function render($context)
{
try {
$expire_time = $this->expire_time_var->resolve($context);
} catch (VariableDoesNotExist $e) {
throw new TemplateSyntaxError('"cache" tag got an unknown variable: ' . $this->expire_time_var->var);
}
if (!is_numeric($expire_time)) {
throw new TemplateSyntaxError('"cache" tag got a non-integer timeout value: ' . print_r($expire_time, true));
}
$expire_time = (int) $expire_time;
// Build a unicode key for this fragment and all vary-on's.
$vs_ = array();
foreach ($this->vary_on as $var) {
$v_ = new Variable($var);
$vs_[] = urlencode($v_->resolve($context));
}
$args = join(':', $vs_);
unset($vs_);
$cache_key = 'template.cache.' . $this->fragment_name . '.' . md5($args);
$manager = Dja::getCacheManager();
$value = $manager->get($cache_key);
if ($value === null) {
$value = $this->nodelist->render($context);
$manager->set($cache_key, $value, $expire_time);
}
return $value;
}
public function testVariableParsing()
{
$c = array('article' => array('section' => 'News'));
$v = new Variable('article.section');
$this->assertEquals('News', $v->resolve($c));
$v = new Variable('"News"');
$this->assertEquals('News', $v->resolve($c));
$v = new Variable("'News'");
$this->assertEquals('News', $v->resolve($c));
// Translated strings are handled correctly.
$v = new Variable('_(article.section)');
$this->assertEquals('News', $v->resolve($c));
$v = new Variable('_("Good News")');
$this->assertEquals('Good News', $v->resolve($c));
$v = new Variable("_('Better News')");
$this->assertEquals('Better News', $v->resolve($c));
// Escaped quotes work correctly as well.
$v = new Variable('"Some \\"Good\\" News"');
$this->assertEquals('Some "Good" News', $v->resolve($c));
$v = new Variable("'Some 'Better' News'");
$this->assertEquals("Some 'Better' News", $v->resolve($c));
// Variables should reject access of attributes beginning with underscores.
$this->setExpectedException('TemplateSyntaxError');
new Variable('article._hidden');
}
/**
* @param Context $context
* @param bool $ignore_failures
*
* @return mixed
*/
public function resolve($context, $ignore_failures = False)
{
if ($this->var instanceof Variable) {
try {
$obj = $this->var->resolve($context);
} catch (VariableDoesNotExist $e) {
if ($ignore_failures) {
$obj = null;
} else {
if (Dja::getSetting('TEMPLATE_STRING_IF_INVALID')) {
if (DjaBase::$invalid_var_format_string === null) {
DjaBase::$invalid_var_format_string = strpos(Dja::getSetting('TEMPLATE_STRING_IF_INVALID'), '%s') !== False;
}
if (DjaBase::$invalid_var_format_string) {
return sprintf(Dja::getSetting('TEMPLATE_STRING_IF_INVALID'), $this->var);
}
return Dja::getSetting('TEMPLATE_STRING_IF_INVALID');
} else {
$obj = Dja::getSetting('TEMPLATE_STRING_IF_INVALID');
}
}
}
} else {
$obj = $this->var;
}
foreach ($this->filters as $filter) {
list($func, $args, $n_) = $filter;
$arg_vals = array();
foreach ($args as $arg_data) {
/** @var $arg Variable|string */
list($lookup, $arg) = $arg_data;
if (!$lookup) {
$arg_vals[] = mark_safe($arg);
} else {
$arg_vals[] = $arg->resolve($context);
}
}
if (py_getattr($func, 'expects_localtime', False)) {
$obj = localtime($obj, $context->use_tz);
}
$func_ = $func->closure;
if (py_getattr($func, 'needs_autoescape', False)) {
$new_obj = call_user_func_array($func_, array_merge(array($obj, $context->autoescape), $arg_vals));
} else {
$new_obj = call_user_func_array($func_, array_merge(array($obj), $arg_vals));
}
if (py_getattr($func, 'is_safe', False) && $obj instanceof SafeData) {
$obj = mark_safe($new_obj);
} else {
if ($obj instanceof EscapeData) {
$obj = mark_for_escaping($new_obj);
} else {
$obj = $new_obj;
}
}
}
return $obj;
}