From cf85bfbb4f9b289e8e786ca571f64348dfa17718 Mon Sep 17 00:00:00 2001
From: Magnus Eriksson <mange@reloop.se>
Date: Tue, 19 May 2015 15:17:42 +0200
Subject: [PATCH] Initial commit

---
 .gitignore     |  2 ++
 LICENSE        | 21 ++++++++++++
 README.md      |  3 ++
 composer.json  | 20 +++++++++++
 src/Config.php | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 138 insertions(+)
 create mode 100755 .gitignore
 create mode 100755 LICENSE
 create mode 100755 README.md
 create mode 100755 composer.json
 create mode 100755 src/Config.php

diff --git a/.gitignore b/.gitignore
new file mode 100755
index 0000000..dfd6caa
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/vendor
+composer.lock
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
new file mode 100755
index 0000000..981c174
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Magnus Eriksson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100755
index 0000000..1b286b3
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# A small config library
+
+> Documentation is coming soon.
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100755
index 0000000..5c43a4c
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,20 @@
+{
+    "name": "maer/config",
+    "description": "A small config library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Magnus Eriksson",
+            "email": "mange@reloop.se"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Maer\\Config\\": "src/"
+        }
+    },
+    "minimum-stability": "stable",
+    "require": {
+        "php": ">=5.3.0"
+    }
+}
diff --git a/src/Config.php b/src/Config.php
new file mode 100755
index 0000000..fb8934a
--- /dev/null
+++ b/src/Config.php
@@ -0,0 +1,92 @@
+<?php namespace Maer\Config;
+
+class Config
+{
+    protected $files = [];
+    protected $conf  = [];
+
+    public function __construct(array $files = array())
+    {
+        if ($files) {
+            $this->load($files);
+        }
+    }
+
+
+    /**
+     * {@inheritdoc}
+     */
+    public function get($key = null, $default = null)
+    {
+        if (!$key) {
+            // No segments? Then return the complete cache
+            return $this->conf;
+        }
+        
+        $conf  =& $this->conf;
+
+        foreach(explode('.', $key) as $segment) {
+            
+            if (!array_key_exists($segment, $conf)) {
+                return $default;
+            }
+
+            $conf =& $conf[$segment];
+        
+        }
+
+        return $conf;
+    }
+
+
+    /**
+     * {@inheritdoc}
+     */
+    public function set($key, $value)
+    {
+        $conf =& $this->conf;
+
+        $segments = explode('.', $key);
+
+        while (count($segments) > 1)
+        {
+            $segment = array_shift($segments);
+            if ( ! isset($conf[$segment]) || ! is_array($conf[$segment])) {
+                $conf[$segment] = array();
+            }
+            $conf =& $conf[$segment];
+        }
+
+        return $conf[array_shift($segments)] = $value;
+    }
+
+
+    /**
+     * {@inheritdoc}
+     */
+    public function load($files, $forceReload = false)
+    {
+        if (!is_array($files)) {
+            // Make it an array so we can use the same code
+            $files = array($files);
+        }
+
+        foreach($files as $file) {
+
+            if ((array_key_exists($file, $this->files) && !$forceReload) 
+                || !is_file($file)) {
+                // It's already loaded, or doesn't exist, so let's skip it
+                continue;
+            }
+
+            $conf = include $file;
+
+            if (is_array($conf)) {
+                // We're only interested if it is an array
+                $this->conf         = array_replace_recursive($this->conf, $conf);
+                $this->files[$file] = true;
+            }
+        }
+    }
+
+}
\ No newline at end of file