library/Msd/Ini.php

@@ -0,0 +1,192 @@
+<?php
+/**
+ * This file is part of MySQLDumper released under the GNU/GPL 2 license
+ * http://www.mysqldumper.net
+ *
+ * @package         MySQLDumper
+ * @subpackage      Ini
+ * @version         SVN: $Rev$
+ * @author          $Author$
+ */
+/**
+ * Class to handle ini-files
+ *
+ * @package         MySQLDumper
+ * @subpackage      Ini
+ */
+class Msd_Ini
+{
+    /**
+     * Data of loaded INI file.
+     *
+     * @var array
+     */
+    private $_iniData = null;
+
+    /**
+     * Filename of current INI file.
+     *
+     * @var string
+     */
+    private $_iniFilename = null;
+
+    /**
+     * Class constructor
+     *
+     * @param array|string $options Configuration or filename of INI to load
+     *
+     * @return void
+     */
+    public function __construct($options = array())
+    {
+        if (is_string($options)) {
+            $options = array(
+                'filename' => $options,
+            );
+        } elseif (!is_array($options)) {
+            $options = (array) $options;
+        }
+
+        if (isset($options['filename'])) {
+            $this->_iniFilename = (string) $options['filename'];
+        }
+        if ($this->_iniFilename !== null) {
+            $this->loadFile();
+        }
+    }
+
+    /**
+     * Loads an INI file.
+     *
+     * @param string $filename Name of file to load
+     *
+     * @return void
+     */
+    public function loadFile($filename = null)
+    {
+        if ($filename === null) {
+            $filename = $this->_iniFilename;
+        }
+
+        if (realpath($filename) === false) {
+            throw new Msd_Exception(
+                "INI file " . $filename . "doesn't exists."
+            );
+        }
+        $zfConfig = new Zend_Config_Ini(realpath($filename));
+        $this->_iniData = $zfConfig->toArray();
+    }
+
+    /**
+     * Save to INI file.
+     *
+     * @param string $filename Name of file to save
+     *
+     * @return void
+     */
+    public function save($filename = null)
+    {
+        if ($filename === null) {
+            $filename = $this->_iniFilename;
+        }
+        if ($filename === null) {
+            throw new Msd_Exception(
+                'You must specify a filename to save the INI!'
+            );
+        }
+        $fileHandle = fopen($filename, 'w+');
+        fwrite($fileHandle, (string) $this);
+        fclose($fileHandle);
+    }
+
+    /**
+     * Converts an array into the INI file format.
+     *
+     * @param array   $array Array to convert.
+     * @param integer $level Current depthlevel in the array.
+     *
+     * @return string
+     */
+    private function _arrayToIniString($array = null, $level = -1)
+    {
+        if ($array === null) {
+            $array = $this->_iniData;
+        }
+        $level++;
+        $resultString = '';
+        foreach ($array as $key => $value) {
+            if (is_array($value)) {
+                $resultString .= ($level == 0) ?
+                    '[' . $key . ']' . "\n" :
+                    $key . '.';
+                $resultString .= $this->_arrayToIniString($value);
+            } else {
+                $newValue = str_replace(
+                    array('\\', '"'),
+                    array('\\\\', '\\"'),
+                    $value
+                );
+                $resultString .= $key . ' = "' . (string) $newValue . '"';
+            }
+            $resultString .= "\n";
+        }
+
+        return $resultString;
+    }
+
+    /**
+     * Get a variable from the data.
+     *
+     * @param string $key     Name of variable
+     * @param string $section Name of section
+     *
+     * @return mixed
+     */
+    public function get($key, $section = null)
+    {
+        if ($section === null) {
+            return $this->_iniData[$key];
+        } else {
+            return $this->_iniData[$section][$key];
+        }
+
+    }
+
+    /**
+     * Set a variable
+     *
+     * @param string $key     Name of variable
+     * @param mixed  $value   Value of variable
+     * @param string $section Section of variable
+     *
+     * @return void
+     */
+    public function set($key, $value, $section = null)
+    {
+        if ($section === null) {
+            $this->_iniData[$key] = $value;
+        } else {
+            $this->_iniData[$section][$key] = $value;
+        }
+    }
+
+    /**
+     * Get the complete INI.
+     *
+     * @return array
+     */
+    public function getAll()
+    {
+        return $this->_iniData;
+    }
+
+    /**
+     * Convert this class into a string.
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return $this->_arrayToIniString();
+    }
+}