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<?php /** * PEAR_Command_Common base class * * PHP versions 4 and 5 * * @category pear * @package PEAR * @author Stig Bakken <ssb@php.net> * @author Greg Beaver <cellog@php.net> * @copyright 1997-2009 The Authors * @license http://opensource.org/licenses/bsd-license.php New BSD License * @link http://pear.php.net/package/PEAR * @since File available since Release 0.1 */ /** * base class */ require_once 'PEAR.php'; /** * PEAR commands base class * * @category pear * @package PEAR * @author Stig Bakken <ssb@php.net> * @author Greg Beaver <cellog@php.net> * @copyright 1997-2009 The Authors * @license http://opensource.org/licenses/bsd-license.php New BSD License * @version Release: 1.10.16 * @link http://pear.php.net/package/PEAR * @since Class available since Release 0.1 */ class PEAR_Command_Common extends PEAR { /** * PEAR_Config object used to pass user system and configuration * on when executing commands * * @var PEAR_Config */ var $config; /** * @var PEAR_Registry * @access protected */ var $_registry; /** * User Interface object, for all interaction with the user. * @var object */ var $ui; var $_deps_rel_trans = array( 'lt' => '<', 'le' => '<=', 'eq' => '=', 'ne' => '!=', 'gt' => '>', 'ge' => '>=', 'has' => '==' ); var $_deps_type_trans = array( 'pkg' => 'package', 'ext' => 'extension', 'php' => 'PHP', 'prog' => 'external program', 'ldlib' => 'external library for linking', 'rtlib' => 'external runtime library', 'os' => 'operating system', 'websrv' => 'web server', 'sapi' => 'SAPI backend' ); /** * PEAR_Command_Common constructor. * * @access public */ function __construct(&$ui, &$config) { parent::__construct(); $this->config = &$config; $this->ui = &$ui; } /** * Return a list of all the commands defined by this class. * @return array list of commands * @access public */ function getCommands() { $ret = array(); foreach (array_keys($this->commands) as $command) { $ret[$command] = $this->commands[$command]['summary']; } return $ret; } /** * Return a list of all the command shortcuts defined by this class. * @return array shortcut => command * @access public */ function getShortcuts() { $ret = array(); foreach (array_keys($this->commands) as $command) { if (isset($this->commands[$command]['shortcut'])) { $ret[$this->commands[$command]['shortcut']] = $command; } } return $ret; } function getOptions($command) { $shortcuts = $this->getShortcuts(); if (isset($shortcuts[$command])) { $command = $shortcuts[$command]; } if (isset($this->commands[$command]) && isset($this->commands[$command]['options'])) { return $this->commands[$command]['options']; } return null; } function getGetoptArgs($command, &$short_args, &$long_args) { $short_args = ''; $long_args = array(); if (empty($this->commands[$command]) || empty($this->commands[$command]['options'])) { return; } reset($this->commands[$command]['options']); foreach ($this->commands[$command]['options'] as $option => $info) { $larg = $sarg = ''; if (isset($info['arg'])) { if ($info['arg'][0] == '(') { $larg = '=='; $sarg = '::'; $arg = substr($info['arg'], 1, -1); } else { $larg = '='; $sarg = ':'; $arg = $info['arg']; } } if (isset($info['shortopt'])) { $short_args .= $info['shortopt'] . $sarg; } $long_args[] = $option . $larg; } } /** * Returns the help message for the given command * * @param string $command The command * @return mixed A fail string if the command does not have help or * a two elements array containing [0]=>help string, * [1]=> help string for the accepted cmd args */ function getHelp($command) { $config = &PEAR_Config::singleton(); if (!isset($this->commands[$command])) { return "No such command \"$command\""; } $help = null; if (isset($this->commands[$command]['doc'])) { $help = $this->commands[$command]['doc']; } if (empty($help)) { // XXX (cox) Fallback to summary if there is no doc (show both?) if (!isset($this->commands[$command]['summary'])) { return "No help for command \"$command\""; } $help = $this->commands[$command]['summary']; } if (preg_match_all('/{config\s+([^\}]+)}/', $help, $matches)) { foreach($matches[0] as $k => $v) { $help = preg_replace("/$v/", $config->get($matches[1][$k]), $help); } } return array($help, $this->getHelpArgs($command)); } /** * Returns the help for the accepted arguments of a command * * @param string $command * @return string The help string */ function getHelpArgs($command) { if (isset($this->commands[$command]['options']) && count($this->commands[$command]['options'])) { $help = "Options:\n"; foreach ($this->commands[$command]['options'] as $k => $v) { if (isset($v['arg'])) { if ($v['arg'][0] == '(') { $arg = substr($v['arg'], 1, -1); $sapp = " [$arg]"; $lapp = "[=$arg]"; } else { $sapp = " $v[arg]"; $lapp = "=$v[arg]"; } } else { $sapp = $lapp = ""; } if (isset($v['shortopt'])) { $s = $v['shortopt']; $help .= " -$s$sapp, --$k$lapp\n"; } else { $help .= " --$k$lapp\n"; } $p = " "; $doc = rtrim(str_replace("\n", "\n$p", $v['doc'])); $help .= " $doc\n"; } return $help; } return null; } function run($command, $options, $params) { if (empty($this->commands[$command]['function'])) { // look for shortcuts foreach (array_keys($this->commands) as $cmd) { if (isset($this->commands[$cmd]['shortcut']) && $this->commands[$cmd]['shortcut'] == $command) { if (empty($this->commands[$cmd]['function'])) { return $this->raiseError("unknown command `$command'"); } else { $func = $this->commands[$cmd]['function']; } $command = $cmd; //$command = $this->commands[$cmd]['function']; break; } } } else { $func = $this->commands[$command]['function']; } return $this->$func($command, $options, $params); } }
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