lib/Boris/CLIOptionsHandler.php
<?php
namespace Boris;
/**
* Processes available command line flags.
*/
class CLIOptionsHandler
{
/**
* Accept the REPL object and perform any setup necessary from the CLI flags.
*
* @param Boris $boris
*/
public function handle($boris)
{
$args = getopt('hvr:', array(
'help',
'version',
'require:'
));
foreach ($args as $option => $value) {
switch ($option) {
/*
* Sets files to load at startup, may be used multiple times,
* i.e: boris -r test.php,foo/bar.php -r ba/foo.php --require hey.php
*/
case 'r':
case 'require':
$this->_handleRequire($boris, $value);
break;
/*
* Show Usage info
*/
case 'h':
case 'help':
$this->_handleUsageInfo();
break;
/*
* Show version
*/
case 'v':
case 'version':
$this->_handleVersion();
break;
}
}
}
// -- Private Methods
private function _handleRequire($boris, $paths)
{
$require = array_reduce((array) $paths, function($acc, $v)
{
return array_merge($acc, explode(',', $v));
}, array());
$boris->onStart(function($worker, $scope) use ($require)
{
foreach ($require as $path) {
require $path;
}
$worker->setLocal(get_defined_vars());
});
}
private function _handleUsageInfo()
{
echo <<<USAGE
Usage: boris [options]
boris is a tiny REPL for PHP
Options:
-h, --help show this help message and exit
-r, --require a comma-separated list of files to require on startup
-v, --version show Boris version
USAGE;
exit(0);
}
private function _handleVersion()
{
printf("Boris %s\n", Boris::VERSION);
exit(0);
}
}