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Put "pear help command" working again

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Tomas V.V.Cox 2002-05-19 15:44:47 +00:00
parent 3f156fe6f9
commit 26493531d4
1 changed files with 45 additions and 3 deletions
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48
pear/PEAR/Command/Common.php
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@ -112,11 +112,53 @@ class PEAR_Command_Common extends PEAR
// }}}
// {{{ getHelp()
/**
* 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)
{
$help = preg_replace('/{config\s+([^\}]+)}/e', "\$config->get('\1')", @$this->commands[$command]['doc']);
return $help;
$config = &PEAR_Config::singleton();
$help = @$this->commands[$command]['doc'];
if (empty($help)) {
// XXX (cox) Fallback to summary if there is no doc (show both?)
if (!$help = @$this->commands[$command]['summary']) {
return "No help for command \"$command\"";
}
}
if (preg_match_all('/{config\s+([^\}]+)}/e', $help, $matches)) {
foreach($matches[0] as $k => $v) {
$help = preg_replace("/$v/", $config->get($matches[1][$k]), $help);
}
}
return array($help, $this->getHelpArgs($command));
}
// }}}
// {{{ getHelpArgs()
/**
* 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']))
{
$help = "Accepted options:\n";
// XXX Add long options
foreach ($this->commands[$command]['options'] as $k => $v) {
$help .= " -" . $v['shortopt'] . " " . $v['doc'] . "\n";
}
return $help;
}
return null;
}
// }}}