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root/branches/1.3/lib/config/sfDatabaseConfigHandler.class.php

Revision 23810, 4.2 kB (checked in by Kris.Wallsmith, 4 years ago)

[1.3] set svn:eol-style property to native and svn:keywords property to Id on all .php files

  • Property svn:mime-type set to text/x-php
  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
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1 <?php
2
3 /*
4  * This file is part of the symfony package.
5  * (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
6  * (c) 2004-2006 Sean Kerr <sean@code-box.org>
7  *
8  * For the full copyright and license information, please view the LICENSE
9  * file that was distributed with this source code.
10  */
11
12 /**
13  * sfDatabaseConfigHandler allows you to setup database connections in a
14  * configuration file that will be created for you automatically upon first
15  * request.
16  *
17  * @package    symfony
18  * @subpackage config
19  * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
20  * @author     Sean Kerr <sean@code-box.org>
21  * @version    SVN: $Id$
22  */
23 class sfDatabaseConfigHandler extends sfYamlConfigHandler
24 {
25   /**
26    * Executes this configuration handler.
27    *
28    * @param array $configFiles An array of absolute filesystem path to a configuration file
29    *
30    * @return string Data to be written to a cache file
31    *
32    * @throws sfConfigurationException If a requested configuration file does not exist or is not readable
33    * @throws sfParseException If a requested configuration file is improperly formatted
34    */
35   public function execute($configFiles)
36   {
37     list($includes, $data) = $this->parse($configFiles);
38
39     foreach ($includes as $i => $include)
40     {
41       $includes[$i] = sprintf("require_once('%s');", $include);
42     }
43
44     foreach ($data as $name => $database)
45     {
46       $data[$name] = sprintf("\n'%s' => new %s(%s),", $name, $database[0], var_export($database[1], true));
47     }
48
49     // compile data
50     return sprintf("<?php\n".
51                       "// auto-generated by sfDatabaseConfigHandler\n".
52                       "// date: %s\n%s\nreturn array(%s);\n",
53                       date('Y/m/d H:i:s'), implode("\n", $includes), implode("\n", $data));
54   }
55
56   public function evaluate($configFiles)
57   {
58     list($includes, $data) = $this->parse($configFiles);
59
60     foreach ($includes as $i => $include)
61     {
62       require_once($include);
63     }
64
65     $databases = array();
66     foreach ($data as $name => $database)
67     {
68       $databases[$name] = new $database[0]($database[1]);
69     }
70
71     return $databases;
72   }
73
74   protected function parse($configFiles)
75   {
76     // parse the yaml
77     $config = self::getConfiguration($configFiles);
78
79     // init our data and includes arrays
80     $data      = array();
81     $databases = array();
82     $includes  = array();
83
84     // get a list of database connections
85     foreach ($config as $name => $dbConfig)
86     {
87       // is this category already registered?
88       if (in_array($name, $databases))
89       {
90         // this category is already registered
91         throw new sfParseException(sprintf('Configuration file "%s" specifies previously registered category "%s".', $configFiles[0], $name));
92       }
93
94       // add this database
95       $databases[] = $name;
96
97       // let's do our fancy work
98       if (!isset($dbConfig['class']))
99       {
100         // missing class key
101         throw new sfParseException(sprintf('Configuration file "%s" specifies category "%s" with missing class key.', $configFiles[0], $name));
102       }
103
104       if (isset($dbConfig['file']))
105       {
106         // we have a file to include
107         if (!is_readable($dbConfig['file']))
108         {
109           // database file doesn't exist
110           throw new sfParseException(sprintf('Configuration file "%s" specifies class "%s" with nonexistent or unreadable file "%s".', $configFiles[0], $dbConfig['class'], $dbConfig['file']));
111         }
112
113         // append our data
114         $includes[] = $dbConfig['file'];
115       }
116
117       // parse parameters
118       $parameters = array();
119       if (isset($dbConfig['param']))
120       {
121         $parameters = $dbConfig['param'];
122       }
123       $parameters['name'] = $name;
124
125       // append new data
126       $data[$name] = array($dbConfig['class'], $parameters);
127     }
128
129     return array($includes, $data);
130   }
131
132   /**
133    * @see sfConfigHandler
134    */
135   static public function getConfiguration(array $configFiles)
136   {
137     $config = self::replaceConstants(self::flattenConfigurationWithEnvironment(self::parseYamls($configFiles)));
138
139     foreach ($config as $name => $dbConfig)
140     {
141       if (isset($dbConfig['file']))
142       {
143         $config[$name]['file'] = self::replacePath($dbConfig['file']);
144       }
145     }
146
147     return $config;
148   }
149 }
150
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