git-svn-id: http://piwigo.org/svn/trunk@2357 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 389 insertions, 0 deletions

diff --git a/BSF/include/smarty/libs/Config_File.class.php b/BSF/include/smarty/libs/Config_File.class.php
new file mode 100644
index 000000000..89ba41c45
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+++ b/BSF/include/smarty/libs/Config_File.class.php
@@ -0,0 +1,389 @@
+<?php
+
+/**
+ * Config_File class.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * @link http://smarty.php.net/
+ * @version 2.6.19
+ * @copyright Copyright: 2001-2005 New Digital Group, Inc.
+ * @author Andrei Zmievski <andrei@php.net>
+ * @access public
+ * @package Smarty
+ */
+
+/* $Id$ */
+
+/**
+ * Config file reading class
+ * @package Smarty
+ */
+class Config_File {
+    /**#@+
+     * Options
+     * @var boolean
+     */
+    /**
+     * Controls whether variables with the same name overwrite each other.
+     */
+    var $overwrite        =    true;
+
+    /**
+     * Controls whether config values of on/true/yes and off/false/no get
+     * converted to boolean values automatically.
+     */
+    var $booleanize        =    true;
+
+    /**
+     * Controls whether hidden config sections/vars are read from the file.
+     */
+    var $read_hidden     =    true;
+
+    /**
+     * Controls whether or not to fix mac or dos formatted newlines.
+     * If set to true, \r or \r\n will be changed to \n.
+     */
+    var $fix_newlines =    true;
+    /**#@-*/
+
+    /** @access private */
+    var $_config_path    = "";
+    var $_config_data    = array();
+    /**#@-*/
+
+    /**
+     * Constructs a new config file class.
+     *
+     * @param string $config_path (optional) path to the config files
+     */
+    function Config_File($config_path = NULL)
+    {
+        if (isset($config_path))
+            $this->set_path($config_path);
+    }
+
+
+    /**
+     * Set the path where configuration files can be found.
+     *
+     * @param string $config_path path to the config files
+     */
+    function set_path($config_path)
+    {
+        if (!empty($config_path)) {
+            if (!is_string($config_path) || !file_exists($config_path) || !is_dir($config_path)) {
+                $this->_trigger_error_msg("Bad config file path '$config_path'");
+                return;
+            }
+            if(substr($config_path, -1) != DIRECTORY_SEPARATOR) {
+                $config_path .= DIRECTORY_SEPARATOR;
+            }
+
+            $this->_config_path = $config_path;
+        }
+    }
+
+
+    /**
+     * Retrieves config info based on the file, section, and variable name.
+     *
+     * @param string $file_name config file to get info for
+     * @param string $section_name (optional) section to get info for
+     * @param string $var_name (optional) variable to get info for
+     * @return string|array a value or array of values
+     */
+    function get($file_name, $section_name = NULL, $var_name = NULL)
+    {
+        if (empty($file_name)) {
+            $this->_trigger_error_msg('Empty config file name');
+            return;
+        } else {
+            $file_name = $this->_config_path . $file_name;
+            if (!isset($this->_config_data[$file_name]))
+                $this->load_file($file_name, false);
+        }
+
+        if (!empty($var_name)) {
+            if (empty($section_name)) {
+                return $this->_config_data[$file_name]["vars"][$var_name];
+            } else {
+                if(isset($this->_config_data[$file_name]["sections"][$section_name]["vars"][$var_name]))
+                    return $this->_config_data[$file_name]["sections"][$section_name]["vars"][$var_name];
+                else
+                    return array();
+            }
+        } else {
+            if (empty($section_name)) {
+                return (array)$this->_config_data[$file_name]["vars"];
+            } else {
+                if(isset($this->_config_data[$file_name]["sections"][$section_name]["vars"]))
+                    return (array)$this->_config_data[$file_name]["sections"][$section_name]["vars"];
+                else
+                    return array();
+            }
+        }
+    }
+
+
+    /**
+     * Retrieves config info based on the key.
+     *
+     * @param $file_name string config key (filename/section/var)
+     * @return string|array same as get()
+     * @uses get() retrieves information from config file and returns it
+     */
+    function &get_key($config_key)
+    {
+        list($file_name, $section_name, $var_name) = explode('/', $config_key, 3);
+        $result = &$this->get($file_name, $section_name, $var_name);
+        return $result;
+    }
+
+    /**
+     * Get all loaded config file names.
+     *
+     * @return array an array of loaded config file names
+     */
+    function get_file_names()
+    {
+        return array_keys($this->_config_data);
+    }
+
+
+    /**
+     * Get all section names from a loaded file.
+     *
+     * @param string $file_name config file to get section names from
+     * @return array an array of section names from the specified file
+     */
+    function get_section_names($file_name)
+    {
+        $file_name = $this->_config_path . $file_name;
+        if (!isset($this->_config_data[$file_name])) {
+            $this->_trigger_error_msg("Unknown config file '$file_name'");
+            return;
+        }
+
+        return array_keys($this->_config_data[$file_name]["sections"]);
+    }
+
+
+    /**
+     * Get all global or section variable names.
+     *
+     * @param string $file_name config file to get info for
+     * @param string $section_name (optional) section to get info for
+     * @return array an array of variables names from the specified file/section
+     */
+    function get_var_names($file_name, $section = NULL)
+    {
+        if (empty($file_name)) {
+            $this->_trigger_error_msg('Empty config file name');
+            return;
+        } else if (!isset($this->_config_data[$file_name])) {
+            $this->_trigger_error_msg("Unknown config file '$file_name'");
+            return;
+        }
+
+        if (empty($section))
+            return array_keys($this->_config_data[$file_name]["vars"]);
+        else
+            return array_keys($this->_config_data[$file_name]["sections"][$section]["vars"]);
+    }
+
+
+    /**
+     * Clear loaded config data for a certain file or all files.
+     *
+     * @param string $file_name file to clear config data for
+     */
+    function clear($file_name = NULL)
+    {
+        if ($file_name === NULL)
+            $this->_config_data = array();
+        else if (isset($this->_config_data[$file_name]))
+            $this->_config_data[$file_name] = array();
+    }
+
+
+    /**
+     * Load a configuration file manually.
+     *
+     * @param string $file_name file name to load
+     * @param boolean $prepend_path whether current config path should be
+     *                              prepended to the filename
+     */
+    function load_file($file_name, $prepend_path = true)
+    {
+        if ($prepend_path && $this->_config_path != "")
+            $config_file = $this->_config_path . $file_name;
+        else
+            $config_file = $file_name;
+
+        ini_set('track_errors', true);
+        $fp = @fopen($config_file, "r");
+        if (!is_resource($fp)) {
+            $this->_trigger_error_msg("Could not open config file '$config_file'");
+            return false;
+        }
+
+        $contents = ($size = filesize($config_file)) ? fread($fp, $size) : '';
+        fclose($fp);
+
+        $this->_config_data[$config_file] = $this->parse_contents($contents);
+        return true;
+    }
+
+    /**
+     * Store the contents of a file manually.
+     *
+     * @param string $config_file file name of the related contents
+     * @param string $contents the file-contents to parse
+     */
+    function set_file_contents($config_file, $contents)
+    {
+        $this->_config_data[$config_file] = $this->parse_contents($contents);
+        return true;
+    }
+
+    /**
+     * parse the source of a configuration file manually.
+     *
+     * @param string $contents the file-contents to parse
+     */
+    function parse_contents($contents)
+    {
+        if($this->fix_newlines) {
+            // fix mac/dos formatted newlines
+            $contents = preg_replace('!\r\n?!', "\n", $contents);
+        }
+
+        $config_data = array();
+        $config_data['sections'] = array();
+        $config_data['vars'] = array();
+
+        /* reference to fill with data */
+        $vars =& $config_data['vars'];
+
+        /* parse file line by line */
+        preg_match_all('!^.*\r?\n?!m', $contents, $match);
+        $lines = $match[0];
+        for ($i=0, $count=count($lines); $i<$count; $i++) {
+            $line = $lines[$i];
+            if (empty($line)) continue;
+
+            if ( substr($line, 0, 1) == '[' && preg_match('!^\[(.*?)\]!', $line, $match) ) {
+                /* section found */
+                if (substr($match[1], 0, 1) == '.') {
+                    /* hidden section */
+                    if ($this->read_hidden) {
+                        $section_name = substr($match[1], 1);
+                    } else {
+                        /* break reference to $vars to ignore hidden section */
+                        unset($vars);
+                        $vars = array();
+                        continue;
+                    }
+                } else {                    
+                    $section_name = $match[1];
+                }
+                if (!isset($config_data['sections'][$section_name]))
+                    $config_data['sections'][$section_name] = array('vars' => array());
+                $vars =& $config_data['sections'][$section_name]['vars'];
+                continue;
+            }
+
+            if (preg_match('/^\s*(\.?\w+)\s*=\s*(.*)/s', $line, $match)) {
+                /* variable found */
+                $var_name = rtrim($match[1]);
+                if (strpos($match[2], '"""') === 0) {
+                    /* handle multiline-value */
+                    $lines[$i] = substr($match[2], 3);
+                    $var_value = '';
+                    while ($i<$count) {
+                        if (($pos = strpos($lines[$i], '"""')) === false) {
+                            $var_value .= $lines[$i++];
+                        } else {
+                            /* end of multiline-value */
+                            $var_value .= substr($lines[$i], 0, $pos);
+                            break;
+                        }
+                    }
+                    $booleanize = false;
+
+                } else {
+                    /* handle simple value */
+                    $var_value = preg_replace('/^([\'"])(.*)\1$/', '\2', rtrim($match[2]));
+                    $booleanize = $this->booleanize;
+
+                }
+                $this->_set_config_var($vars, $var_name, $var_value, $booleanize);
+            }
+            /* else unparsable line / means it is a comment / means ignore it */
+        }
+        return $config_data;
+    }
+
+    /**#@+ @access private */
+    /**
+     * @param array &$container
+     * @param string $var_name
+     * @param mixed $var_value
+     * @param boolean $booleanize determines whether $var_value is converted to
+     *                            to true/false
+     */
+    function _set_config_var(&$container, $var_name, $var_value, $booleanize)
+    {
+        if (substr($var_name, 0, 1) == '.') {
+            if (!$this->read_hidden)
+                return;
+            else
+                $var_name = substr($var_name, 1);
+        }
+
+        if (!preg_match("/^[a-zA-Z_]\w*$/", $var_name)) {
+            $this->_trigger_error_msg("Bad variable name '$var_name'");
+            return;
+        }
+
+        if ($booleanize) {
+            if (preg_match("/^(on|true|yes)$/i", $var_value))
+                $var_value = true;
+            else if (preg_match("/^(off|false|no)$/i", $var_value))
+                $var_value = false;
+        }
+
+        if (!isset($container[$var_name]) || $this->overwrite)
+            $container[$var_name] = $var_value;
+        else {
+            settype($container[$var_name], 'array');
+            $container[$var_name][] = $var_value;
+        }
+    }
+
+    /**
+     * @uses trigger_error() creates a PHP warning/error
+     * @param string $error_msg
+     * @param integer $error_type one of
+     */
+    function _trigger_error_msg($error_msg, $error_type = E_USER_WARNING)
+    {
+        trigger_error("Config_File error: $error_msg", $error_type);
+    }
+    /**#@-*/
+}
+
+?>