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PHP Script  |  2008-02-15  |  7.0 KB  |  182 lines
  1. <?php
  2. /**
  3.  * <tasks:replace>
  4.  *
  5.  * PHP versions 4 and 5
  6.  *
  7.  * LICENSE: This source file is subject to version 3.0 of the PHP license
  8.  * that is available through the world-wide-web at the following URI:
  9.  * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
  10.  * the PHP License and are unable to obtain it through the web, please
  11.  * send a note to license@php.net so we can mail you a copy immediately.
  12.  *
  13.  * @category   pear
  14.  * @package    PEAR
  15.  * @author     Greg Beaver <cellog@php.net>
  16.  * @copyright  1997-2008 The PHP Group
  17.  * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
  18.  * @version    CVS: $Id: Replace.php,v 1.16 2008/01/03 20:26:37 cellog Exp $
  19.  * @link       http://pear.php.net/package/PEAR
  20.  * @since      File available since Release 1.4.0a1
  21.  */
  22. /**
  23.  * Base class
  24.  */
  25. require_once 'PEAR/Task/Common.php';
  26. /**
  27.  * Implements the replace file task.
  28.  * @category   pear
  29.  * @package    PEAR
  30.  * @author     Greg Beaver <cellog@php.net>
  31.  * @copyright  1997-2008 The PHP Group
  32.  * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
  33.  * @version    Release: 1.7.1
  34.  * @link       http://pear.php.net/package/PEAR
  35.  * @since      Class available since Release 1.4.0a1
  36.  */
  37. class PEAR_Task_Replace extends PEAR_Task_Common
  38. {
  39.     var $type = 'simple';
  40.     var $phase = PEAR_TASK_PACKAGEANDINSTALL;
  41.     var $_replacements;
  42.  
  43.     /**
  44.      * Validate the raw xml at parsing-time.
  45.      * @param PEAR_PackageFile_v2
  46.      * @param array raw, parsed xml
  47.      * @param PEAR_Config
  48.      * @static
  49.      */
  50.     function validateXml($pkg, $xml, &$config, $fileXml)
  51.     {
  52.         if (!isset($xml['attribs'])) {
  53.             return array(PEAR_TASK_ERROR_NOATTRIBS);
  54.         }
  55.         if (!isset($xml['attribs']['type'])) {
  56.             return array(PEAR_TASK_ERROR_MISSING_ATTRIB, 'type');
  57.         }
  58.         if (!isset($xml['attribs']['to'])) {
  59.             return array(PEAR_TASK_ERROR_MISSING_ATTRIB, 'to');
  60.         }
  61.         if (!isset($xml['attribs']['from'])) {
  62.             return array(PEAR_TASK_ERROR_MISSING_ATTRIB, 'from');
  63.         }
  64.         if ($xml['attribs']['type'] == 'pear-config') {
  65.             if (!in_array($xml['attribs']['to'], $config->getKeys())) {
  66.                 return array(PEAR_TASK_ERROR_WRONG_ATTRIB_VALUE, 'to', $xml['attribs']['to'],
  67.                     $config->getKeys());
  68.             }
  69.         } elseif ($xml['attribs']['type'] == 'php-const') {
  70.             if (defined($xml['attribs']['to'])) {
  71.                 return true;
  72.             } else {
  73.                 return array(PEAR_TASK_ERROR_WRONG_ATTRIB_VALUE, 'to', $xml['attribs']['to'],
  74.                     array('valid PHP constant'));
  75.             }
  76.         } elseif ($xml['attribs']['type'] == 'package-info') {
  77.             if (in_array($xml['attribs']['to'],
  78.                 array('name', 'summary', 'channel', 'notes', 'extends', 'description',
  79.                     'release_notes', 'license', 'release-license', 'license-uri',
  80.                     'version', 'api-version', 'state', 'api-state', 'release_date',
  81.                     'date', 'time'))) {
  82.                 return true;
  83.             } else {
  84.                 return array(PEAR_TASK_ERROR_WRONG_ATTRIB_VALUE, 'to', $xml['attribs']['to'],
  85.                     array('name', 'summary', 'channel', 'notes', 'extends', 'description',
  86.                     'release_notes', 'license', 'release-license', 'license-uri',
  87.                     'version', 'api-version', 'state', 'api-state', 'release_date',
  88.                     'date', 'time'));
  89.             }
  90.         } else {
  91.             return array(PEAR_TASK_ERROR_WRONG_ATTRIB_VALUE, 'type', $xml['attribs']['type'],
  92.                 array('pear-config', 'package-info', 'php-const'));
  93.         }
  94.         return true;
  95.     }
  96.  
  97.     /**
  98.      * Initialize a task instance with the parameters
  99.      * @param array raw, parsed xml
  100.      * @param unused
  101.      */
  102.     function init($xml, $attribs)
  103.     {
  104.         $this->_replacements = isset($xml['attribs']) ? array($xml) : $xml;
  105.     }
  106.  
  107.     /**
  108.      * Do a package.xml 1.0 replacement, with additional package-info fields available
  109.      *
  110.      * See validateXml() source for the complete list of allowed fields
  111.      * @param PEAR_PackageFile_v1|PEAR_PackageFile_v2
  112.      * @param string file contents
  113.      * @param string the eventual final file location (informational only)
  114.      * @return string|false|PEAR_Error false to skip this file, PEAR_Error to fail
  115.      *         (use $this->throwError), otherwise return the new contents
  116.      */
  117.     function startSession($pkg, $contents, $dest)
  118.     {
  119.         $subst_from = $subst_to = array();
  120.         foreach ($this->_replacements as $a) {
  121.             $a = $a['attribs'];
  122.             $to = '';
  123.             if ($a['type'] == 'pear-config') {
  124.                 if ($this->installphase == PEAR_TASK_PACKAGE) {
  125.                     return false;
  126.                 }
  127.                 if ($a['to'] == 'master_server') {
  128.                     $chan = $this->registry->getChannel($pkg->getChannel());
  129.                     if (!PEAR::isError($chan)) {
  130.                         $to = $chan->getServer();
  131.                     } else {
  132.                         $this->logger->log(0, "$dest: invalid pear-config replacement: $a[to]");
  133.                         return false;
  134.                     }
  135.                 } else {
  136.                     if ($this->config->isDefinedLayer('ftp')) {
  137.                         // try the remote config file first
  138.                         $to = $this->config->get($a['to'], 'ftp', $pkg->getChannel());
  139.                         if (is_null($to)) {
  140.                             // then default to local
  141.                             $to = $this->config->get($a['to'], null, $pkg->getChannel());
  142.                         }
  143.                     } else {
  144.                         $to = $this->config->get($a['to'], null, $pkg->getChannel());
  145.                     }
  146.                 }
  147.                 if (is_null($to)) {
  148.                     $this->logger->log(0, "$dest: invalid pear-config replacement: $a[to]");
  149.                     return false;
  150.                 }
  151.             } elseif ($a['type'] == 'php-const') {
  152.                 if ($this->installphase == PEAR_TASK_PACKAGE) {
  153.                     return false;
  154.                 }
  155.                 if (defined($a['to'])) {
  156.                     $to = constant($a['to']);
  157.                 } else {
  158.                     $this->logger->log(0, "$dest: invalid php-const replacement: $a[to]");
  159.                     return false;
  160.                 }
  161.             } else {
  162.                 if ($t = $pkg->packageInfo($a['to'])) {
  163.                     $to = $t;
  164.                 } else {
  165.                     $this->logger->log(0, "$dest: invalid package-info replacement: $a[to]");
  166.                     return false;
  167.                 }
  168.             }
  169.             if (!is_null($to)) {
  170.                 $subst_from[] = $a['from'];
  171.                 $subst_to[] = $to;
  172.             }
  173.         }
  174.         $this->logger->log(3, "doing " . sizeof($subst_from) .
  175.             " substitution(s) for $dest");
  176.         if (sizeof($subst_from)) {
  177.             $contents = str_replace($subst_from, $subst_to, $contents);
  178.         }
  179.         return $contents;
  180.     }
  181. }
  182. ?>