--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/smarty/Config_File.class.php Sun Mar 23 14:59:33 2008 -0400
@@ -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.class.php 2702 2007-03-08 19:11:22Z mohrt $ */
+
+/**
+ * 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);
+ }
+ /**#@-*/
+}
+
+?>