public function testArrVal()
{
$input_arr = array('first', 'second', 'third', 'fourth');
$this->assertEquals('second', py_arr_get($input_arr, 1));
$this->assertEquals('third', py_arr_get($input_arr, 2));
$this->assertEquals('third', py_arr_get($input_arr, -2));
$this->assertEquals('second', py_arr_get($input_arr, -3));
}
public function getBlock($name)
{
try {
return py_arr_get($this->blocks[$name], -1);
} catch (KeyError $e) {
// IndexError, KeyError
return null;
}
}
/**
* Load the template library module with the given name.
*
* If library is not already loaded loop over all templatetags modules to locate it.
*
* {% load somelib %} and {% load someotherlib %} loops twice.
*
* Subsequent loads eg. {% load somelib %} in the same process will grab the cached module from libraries.
*
* @static
*
* @param string $library_name
*
* @return Library
* @throws InvalidTemplateLibrary
*/
public static function getLibrary($library_name)
{
$lib = py_arr_get(self::$libraries, $library_name, null);
if (!$lib) {
$templatetags_modules = self::getTemplatetagsModules();
$tried_modules = array();
foreach ($templatetags_modules as $module) {
$taglib_module = $module . '.' . $library_name;
$tried_modules[] = $taglib_module;
$lib = self::importLibrary($taglib_module);
if ($lib) {
self::$libraries[$library_name] = $lib;
break;
}
}
if (!$lib) {
throw new InvalidTemplateLibrary('Template library ' . $library_name . ' not found, tried `' . join(',', $tried_modules) . '`');
}
}
return $lib;
}
$lib->tag('url', function ($parser, $token) {
/**
* @var Parser $parser
* @var Token $token
*/
$bits = $token->splitContents();
if (count($bits) < 2) {
throw new TemplateSyntaxError('\'url\' takes at least one argument (path to a view)');
}
$viewname = $parser->compileFilter($bits[1]);
$args = array();
$kwargs = array();
$asvar = null;
$bits = py_slice($bits, 2);
if (count($bits) >= 2 && py_arr_get($bits, -2) == 'as') {
$asvar = py_arr_get($bits, -1);
$bits = py_slice($bits, null, -2);
}
if (count($bits)) {
foreach ($bits as $bit) {
$match = py_re_match(DjaBase::$re_kwarg, $bit);
if (!$match) {
throw new TemplateSyntaxError('Malformed arguments to url tag');
}
list($name, $value) = $match->groups();
if ($name) {
$kwargs[$name] = $parser->compileFilter($value);
} else {
$args[] = $parser->compileFilter($value);
}
}
/**
* @param Context $context
* @return SafeString|string
*/
public function render($context)
{
return py_arr_get(self::$mapping, $this->tagtype, '');
}
return $value . $arg;
}
if (is_numeric($value) && is_numeric($arg)) {
return $value + $arg;
}
if (is_array($value) && is_array($arg)) {
return '[' . join(', ', array_merge($value, $arg)) . ']';
}
return '';
}, array('is_safe' => False));
$lib->filter('get_digit', function ($value, $arg) {
$arg = (string) $arg;
if (!is_numeric($value) || !is_numeric($arg) || $arg < 1) {
return $value;
}
return py_arr_get(str_split($value), -$arg, 0);
}, array('is_safe' => False));
/*
* DATES
*/
$lib->filter('date', function ($value, $arg = null) {
return dja_date($value, $arg);
}, array('is_safe' => False, $expects_localtime = True));
// TODO time
// TODO timesince
// TODO timeuntil
/*
* LOGIC
*/
$lib->filter('default', function ($value, $arg) {
return $value ? $value : $arg;