add two tool trait class

Author: inhere

src/traits/TraitSimpleAlias.php

@@ -0,0 +1,83 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: inhere
+ * Date: 2017-02-28
+ * Time: 9:20
+ */
+
+namespace inhere\librarys\traits;
+
+/**
+ * Class TraitSimpleAlias
+ * @package inhere\librarys\traits
+ */
+trait TraitSimpleAlias
+{
+    /**
+     * path alias
+     * @var array
+     */
+    protected static $aliases = [];
+
+    /**
+     * set/get path alias
+     * @param array|string $path
+     * @param string|null $value
+     * @return bool|string
+     */
+    public static function alias($path, $value=null)
+    {
+        // get path by alias
+        if ( is_string($path) && !$value ) {
+            // don't use alias
+            if ( $path[0] !== '@' ) {
+                return $path;
+            }
+            
+            $sep = '/';
+            $path = str_replace(['/','\\'], $sep , $path);
+
+            // only a alias. e.g. @project
+            if ( !strpos($path, $sep) ) {
+                return isset(self::$aliases[$path]) ? self::$aliases[$path] : $path;
+            }
+
+            // have other partial. e.g: @project/temp/logs
+            $realPath = $path;
+            list($alias, $other) = explode($sep, $path, 2);
+
+            if ( isset(self::$aliases[$alias]) ) {
+                $realPath = self::$aliases[$alias] . $sep . $other;
+            }
+
+            return $realPath;
+        }
+
+        if ( $path && $value && is_string($path) && is_string($value) ) {
+            $path = [$path => $value];
+        }
+
+        // custom set path's alias. e.g: Slim::alias([ 'alias' => 'path' ]);
+        if ( is_array($path) ) {
+            foreach ($path as $alias => $realPath) {
+                // 1th char must is '@'
+                if ( $alias[0] !== '@' ) {
+                    continue;
+                }
+
+                self::$aliases[$alias] = $realPath;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * @return array
+     */
+    public static function getAliases()
+    {
+        return self::$aliases;
+    }
+}

src/traits/TraitSimpleContainer.php

@@ -0,0 +1,174 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: inhere
+ * Date: 2017-02-28
+ * Time: 9:22
+ */
+
+namespace inhere\librarys\traits;
+
+/**
+ * Class TraitSimpleContainer
+ * @package inhere\librarys\traits
+ */
+trait TraitSimpleContainer
+{
+    /**
+     * all raw register service list
+     * @var array
+     */
+    private static $services = [];
+
+    /**
+     * all parsed instance list by call service.
+     * @var array
+     */
+    private static $instances = [];
+
+    /**********************************************************
+     * application service
+     **********************************************************/
+
+    /**
+     * register a app service
+     * @param string $name the service name
+     * @param object|\Closure $service service
+     * @param bool $replace replace exists service
+     * @return static
+     */
+    public function register($name, $service, $replace = false)
+    {
+        $this->set($name, $service, $replace);
+
+        return $this;
+    }
+
+    /**
+     * register a app service
+     * @param string $name
+     * @param object $service
+     * @param bool $replace replace exists service
+     * @return bool
+     */
+    public function set($name, $service, $replace = false)
+    {
+        // have been used.
+        if ( isset(self::$instances[$name]) ) {
+            throw new \LogicException("The service [$name] have been instanced, don't allow override it.");
+        }
+
+        // setting
+        if ( !isset(self::$services[$name]) || $replace ) {
+            self::$services[$name] = $service;
+        }
+
+        return true;
+    }
+
+    /**
+     * get a app service by name
+     * if is a closure, only run once.
+     * @param string $name
+     * @param bool $call if service is 'Closure', call it.
+     * @return mixed
+     */
+    public function get($name, $call = true)
+    {
+        if ( !isset(self::$services[$name]) ) {
+            throw new \RuntimeException("The service [$name] don't register.");
+        }
+
+        $service = self::$services[$name];
+
+        if ( is_object($service) && $service instanceof \Closure && $call) {
+            if ( !isset(self::$instances[$name]) ) {
+                self::$instances[$name] = $service($this);
+            }
+
+            return self::$instances[$name];
+        }
+
+        return $service;
+    }
+
+    /**
+     * @param string $name
+     * @return mixed
+     */
+    public function raw($name)
+    {
+        if ( !isset(self::$services[$name]) ) {
+            throw new \RuntimeException("The service [$name] don't register.");
+        }
+
+        return self::$services[$name];
+    }
+
+    /**
+     * create a app service by name
+     * it always return a new instance.
+     * @param string $name
+     * @return object
+     */
+    public function factory($name)
+    {
+        if ( !isset(self::$services[$name]) ) {
+            throw new \RuntimeException("The service [$name] don't register.");
+        }
+
+        $service = self::$services[$name];
+
+        if ( is_object($service) && $service instanceof \Closure ) {
+            return $service($this);
+        }
+
+        return $service;
+    }
+
+    /**
+     * @param $name
+     * @return bool
+     */
+    public function has($name)
+    {
+        return isset(self::$services[$name]);
+    }
+
+    /**
+     * @return array
+     */
+    public function getServiceNames()
+    {
+        return array_keys(self::$services);
+    }
+
+    /**
+     * allow register a app service by property
+     * ```
+     * $app->logger = function(){
+     *     return new xx\yy\Logger;
+     * };
+     * ```
+     * @param string $name
+     * @param object $service
+     * @return bool
+     */
+    public function __set($name, $service)
+    {
+        return $this->set($name, $service);
+    }
+
+    /**
+     * allow call service by property
+     * ```
+     * $logger = Micro::$me->logger;
+     * ```
+     * @param  string $name service name
+     * @return object
+     */
+    public function __get($name)
+    {
+        return $this->get($name);
+    }
+}