X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=lib%2Fmerry%2FContainer.php;fp=lib%2Fmerry%2FContainer.php;h=7f4d8fc7b2e1ce459510cca904de861ceff1bade;hb=c5cc1f0cf7b1b7665e7e9d5745855066527605e6;hp=0000000000000000000000000000000000000000;hpb=efc2af3c944d9c1180f1b503a664695ef10cf6f2;p=m6w6%2Fmerry

diff --git a/lib/merry/Container.php b/lib/merry/Container.php
new file mode 100644
index 0000000..7f4d8fc
--- /dev/null
+++ b/lib/merry/Container.php
@@ -0,0 +1,229 @@
+<?php
+
+namespace merry;
+
+class Container implements \ArrayAccess, \RecursiveIterator, \JsonSerializable
+{
+	/**
+	 * Index for a numerically indexed array
+	 * @internal
+	 * @var int
+	 */
+	private $index = 0;
+	
+	/**
+	 * Container
+	 * @internal
+	 * @var stdClass
+	 */
+	private $props;
+	
+	/**
+	 * State for the RecursiveIterator
+	 * @internal
+	 * @var array
+	 */
+	private $riter;
+	
+	/**
+	 * Whether to auto populate a requested property with a new container
+	 * @internal
+	 * @var bool
+	 */
+	private $auto;
+
+	/**
+	 * Create a new container
+	 * @param array $array container data
+	 * @param bool $auto whether to auto populate a requested property with a new container
+	 */
+	function __construct(array $array = null, $auto = true) {
+		$this->props = new \stdClass;
+		$this->auto = $auto;
+		
+		foreach ((array) $array as $property => $value) {
+			$this->__set($property, $value);
+		}
+	}
+
+	/**
+	 * Recursively turn a container and its childs into an array
+	 * @param \merry\Container $o the Container instance to convert to an array
+	 * @return array
+	 */
+	protected function arrayify(Container $o) {
+		$a = [];
+		
+		foreach ($o->props as $k => $v) {
+			if ($v instanceof Container) {
+				$a[$k] = $this->arrayify($v);
+			} else {
+				$a[$k] = $v;
+			}
+		}
+		
+		return $a;
+	}
+	
+	/**
+	 * Apply one or mor modifier callbacks
+	 * @param mixed $modifier
+	 * @return \merry\Config
+	 */
+	public function apply($modifier) {
+		if (is_callable($modifier)) {
+			foreach ($this->props as $prop => $value) {
+				$this->__set($prop, $modifier($value, $prop));
+			}
+		} else {
+			foreach ($modifier as $key => $mod) {
+				if (is_callable($mod)) {
+					$this->props->$key = $mod(isset($this->props->$key) ? $this->props->$key : null, $key);
+				} elseif (is_array($mod)) {
+					$this->props->$key->apply($mod);
+				} else {
+					/* */
+				}
+			}
+		}
+		return $this;
+	}
+	
+	/**
+	 * Return the complete config as array
+	 * @return array
+	 */
+	function toArray() {
+		return $this->arrayify($this);
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function &__get($prop) {
+		if ($this->auto && !isset($this->props->$prop)) {
+			$this->props->$prop = new static;
+		}
+		return $this->props->$prop;
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function __set($prop, $value) {
+		if (isset($value) && !is_scalar($value) && !($value instanceof Config)) {
+			$value = new static((array) $value);
+		}
+		if (!strlen($prop)) {
+			$prop = $this->index++;
+		} elseif (is_numeric($prop) && !strcmp($prop, (int) $prop)) {
+			/* update internal index */
+			if ($prop >= $this->index) {
+				$this->index = $prop + 1;
+			}
+		}
+		
+		$this->props->$prop = $value;
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function __isset($prop) {
+		return isset($this->props->$prop);
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function __unset($prop) {
+		unset($this->props->$prop);
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function offsetGet($o) {
+		return $this->props->$o;
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function offsetSet($o, $v) {
+		$this->__set($o, $v);
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function offsetExists($o) {
+		return isset($this->props->$o);
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function offsetUnset($o) {
+		unset($this->props->$o);
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function rewind() {
+		$this->riter = (array) $this->props;
+		reset($this->riter);
+	}
+
+	/**
+	 * @ignore
+	 */
+	function valid() {
+		return NULL !== key($this->riter);
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function next() {
+		next($this->riter);
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function key() {
+		return key($this->riter);
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function current() {
+		return current($this->riter);
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function hasChildren() {
+		return current($this->riter) instanceof Container;
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function getChildren() {
+		return current($this->riter);
+	}
+	
+	/**
+	 * @ignore
+	 */
+	function jsonSerialize() {
+		return $this->arrayify($this);
+	}
+}
+
+/* vim: set noet ts=4 sw=4: */