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Config.php
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Config.php
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<?php
declare(strict_types=1);
namespace Leaf;
/**
* Leaf Config
* -------------
* Configure your leaf app
*/
class Config
{
/**
* Leaf application context
* @var array
*/
protected static $context = [
'app' => null,
'app.down' => false,
'debug' => true,
'eien.enabled' => true,
'http.version' => '1.1',
'log.writer' => null,
'log.level' => null,
'log.enabled' => false,
'log.dir' => __DIR__ . '/../../../../storage/logs/',
'log.file' => 'app.log',
'log.open' => true,
'mode' => 'development',
'scripts' => [],
'views.path' => null,
'views.cachePath' => null,
];
/**
* Set configuration value(s)
*
* @param string|array $item The config(s) to set
* @param mixed $value The value for config. Ignored if $item is an array.
*/
public static function set($item, $value = null)
{
if (\is_string($item)) {
static::$context[$item] = $value;
} else {
static::$context = \array_merge(static::$context, $item);
}
}
/**
* Attach view engine to Leaf view
*
* @param mixed $className The class to attach
* @param string|null $name The key to save view engine with
*/
public static function attachView($className, $name = null)
{
$class = new $className();
$diIndex = $name ?? static::getDiIndex($class);
static::set("views.$diIndex", $class);
}
/**
* Return an attached view engine
*/
public static function view($className)
{
return static::getStatic("views.$className");
}
/**
* Grab context
*
* @param string|null $item The config to get. Returns all items if nothing is specified.
*/
public static function get($item = null)
{
if (!$item) {
return static::$context;
}
$value = static::$context[$item] ?? null;
return static::isInvokable($value) ? $value(static::$context) : $value;
}
/**
* Static getter
* @param string $item The item to get
*/
public static function getStatic($item = null)
{
return static::$context[$item] ?? null;
}
/**
* Get data value with key
* @param string $value The item to check
*/
public static function isInvokable($value)
{
return is_object($value) && method_exists($value, '__invoke');
}
/**
* IteratorAggregate
*/
public static function getIterator()
{
return new \ArrayIterator(static::$context);
}
/**
* Ensure a value or object will remain globally unique
*
* @param string $key The value or object name
* @param \Closure $value The closure that defines the object
*
* @return mixed
*/
public static function singleton($key, $value)
{
static::set($key, function ($c) use ($value) {
static $object;
if (null === $object) {
$object = $value($c);
}
return $object;
});
}
/**
* Protect closure from being directly invoked
* @param \Closure $callable A closure to keep from being invoked and evaluated
* @return \Closure
*/
public static function protect(\Closure $callable)
{
return function () use ($callable) {
return $callable;
};
}
/**
* Add a script to attach to the leaf instance
* @param callable $script The script to attach
*/
public static function addScript(callable $script)
{
static::$context['scripts'][] = $script;
}
/**
* Fetch set data keys
* @return array This set's key-value data array keys
*/
public static function keys()
{
return array_keys(static::$context);
}
/**
* Does this set contain a key?
* @param string $key The data key
* @return bool
*/
public static function has($key)
{
return array_key_exists($key, static::$context);
}
/**
* Remove value with key from this set
* @param string $key The data key
*/
public static function remove($key)
{
unset(static::$context[$key]);
}
/**
* Countable
*/
public static function count()
{
return count(static::$context);
}
/**
* Clear all values
*/
public static function reset()
{
static::$context = [
'app' => static::$context['app'],
'app.down' => static::$context['app.down'],
'debug' => static::$context['debug'],
'eien.enabled' => static::$context['eien.enabled'],
'http.version' => static::$context['http.version'],
'log.writer' => static::$context['log.writer'],
'log.level' => static::$context['log.level'],
'log.enabled' => static::$context['log.enabled'],
'log.dir' => static::$context['log.dir'],
'log.file' => static::$context['log.file'],
'log.open' => static::$context['log.open'],
'mode' => static::$context['mode'],
'scripts' => [],
'views.path' => static::$context['views.path'],
'views.cachePath' => static::$context['views.cachePath'],
];
}
protected static function getDiIndex($class)
{
$fullName = \explode('\\', \strtolower(\get_class($class)));
$className = $fullName[\count($fullName) - 1];
return $className;
}
/**
* Property Overloading
*/
public static function __callstatic($key, $arguments)
{
return static::get($key);
}
}