%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* This file is part of the Nette Framework (http://nette.org)
*
* Copyright (c) 2004 David Grudl (http://davidgrudl.com)
*
* For the full copyright and license information, please view
* the file license.txt that was distributed with this source code.
*/
namespace Nette\DI;
use Nette;
/**
* The DI helpers.
*
* @author David Grudl
*/
final class Helpers
{
/**
* Expands %placeholders%.
* @param mixed
* @param array
* @param bool
* @return mixed
* @throws Nette\InvalidArgumentException
*/
public static function expand($var, array $params, $recursive = FALSE)
{
if (is_array($var)) {
$res = array();
foreach ($var as $key => $val) {
$res[$key] = self::expand($val, $params, $recursive);
}
return $res;
} elseif ($var instanceof Statement) {
return new Statement(self::expand($var->entity, $params, $recursive), self::expand($var->arguments, $params, $recursive));
} elseif (!is_string($var)) {
return $var;
}
$parts = preg_split('#%([\w.-]*)%#i', $var, -1, PREG_SPLIT_DELIM_CAPTURE);
$res = '';
foreach ($parts as $n => $part) {
if ($n % 2 === 0) {
$res .= $part;
} elseif ($part === '') {
$res .= '%';
} elseif (isset($recursive[$part])) {
throw new Nette\InvalidArgumentException('Circular reference detected for variables: ' . implode(', ', array_keys($recursive)) . '.');
} else {
$val = Nette\Utils\Arrays::get($params, explode('.', $part));
if ($recursive) {
$val = self::expand($val, $params, (is_array($recursive) ? $recursive : array()) + array($part => 1));
}
if (strlen($part) + 2 === strlen($var)) {
return $val;
}
if (!is_scalar($val)) {
throw new Nette\InvalidArgumentException("Unable to concatenate non-scalar parameter '$part' into '$var'.");
}
$res .= $val;
}
}
return $res;
}
/**
* Expand counterpart.
* @param mixed
* @return mixed
*/
public static function escape($value)
{
if (is_array($value)) {
array_walk_recursive($value, function(&$val) {
$val = is_string($val) ? str_replace('%', '%%', $val) : $val;
});
} elseif (is_string($value)) {
$value = str_replace('%', '%%', $value);
}
return $value;
}
/**
* Generates list of arguments using autowiring.
* @param Nette\Reflection\GlobalFunction|Nette\Reflection\Method
* @return array
*/
public static function autowireArguments(\ReflectionFunctionAbstract $method, array $arguments, $container)
{
$optCount = 0;
$num = -1;
$res = array();
foreach ($method->getParameters() as $num => $parameter) {
if (array_key_exists($num, $arguments)) {
$res[$num] = $arguments[$num];
unset($arguments[$num]);
$optCount = 0;
} elseif (array_key_exists($parameter->getName(), $arguments)) {
$res[$num] = $arguments[$parameter->getName()];
unset($arguments[$parameter->getName()]);
$optCount = 0;
} elseif ($class = $parameter->getClassName()) { // has object type hint
$res[$num] = $container->getByType($class, FALSE);
if ($res[$num] === NULL) {
if ($parameter->allowsNull()) {
$optCount++;
} else {
throw new ServiceCreationException("No service of type {$class} found. Make sure the type hint in $method is written correctly and service of this type is registered.");
}
} else {
if ($container instanceof ContainerBuilder) {
$res[$num] = '@' . $res[$num];
}
$optCount = 0;
}
} elseif ($parameter->isOptional()) {
// PDO::__construct has optional parameter without default value (and isArray() and allowsNull() returns FALSE)
$res[$num] = $parameter->isDefaultValueAvailable() ? $parameter->getDefaultValue() : NULL;
$optCount++;
} else {
throw new ServiceCreationException("$parameter has no type hint, so its value must be specified.");
}
}
// extra parameters
while (array_key_exists(++$num, $arguments)) {
$res[$num] = $arguments[$num];
unset($arguments[$num]);
$optCount = 0;
}
if ($arguments) {
throw new ServiceCreationException("Unable to pass specified arguments to $method.");
}
return $optCount ? array_slice($res, 0, -$optCount) : $res;
}
}
Zerion Mini Shell 1.0