silverstripe-framework/src/Dev/SapphireREPL.php

111 lines
3.4 KiB
PHP
Raw Normal View History

<?php
namespace SilverStripe\Dev;
use SilverStripe\Control\Controller;
use SilverStripe\Control\Director;
use Exception;
/* Don't actually define these, since it'd clutter up the namespace.
define('1',E_ERROR);
define('2',E_WARNING);
define('4',E_PARSE);
define('8',E_NOTICE);
define('16',E_CORE_ERROR);
define('32',E_CORE_WARNING);
define('64',E_COMPILE_ERROR);
define('128',E_COMPILE_WARNING);
define('256',E_USER_ERROR);
define('512',E_USER_WARNING);
define('1024',E_USER_NOTICE);
define('2048',E_STRICT);
define('4096',E_RECOVERABLE_ERROR);
define('8192',E_DEPRECATED);
define('16384',E_USER_DEPRECATED);
define('30719',E_ALL);
*/
/**
*/
2016-11-29 00:31:16 +01:00
class SapphireREPL extends Controller
{
2014-08-15 08:53:05 +02:00
2016-11-29 00:31:16 +01:00
private static $allowed_actions = array(
'index'
);
2016-11-29 00:31:16 +01:00
public function error_handler($errno, $errstr, $errfile, $errline, $errctx)
{
// Ignore unless important error
if (($errno & ~( 2048 | 8192 | 16384 )) == 0) {
return ;
}
// Otherwise throw exception to handle in REPL loop
throw new Exception(sprintf("%s:%d\r\n%s", $errfile, $errline, $errstr));
}
2016-11-29 00:31:16 +01:00
public function index()
{
if (!Director::is_cli()) {
return "The SilverStripe Interactive Command-line doesn't work in a web browser."
. " Use 'sake interactive' from the command-line to run.";
}
2016-11-29 00:31:16 +01:00
/* Try using PHP_Shell if it exists */
@include 'php-shell-cmd.php' ;
2016-11-29 00:31:16 +01:00
/* Fall back to our simpler interface */
if (empty($__shell)) {
set_error_handler(array($this, 'error_handler'));
2016-11-29 00:31:16 +01:00
echo "SilverStripe Interactive Command-line (REPL interface). Type help for hints.\n\n";
while (true) {
echo CLI::text("?> ", "cyan");
echo CLI::start_colour("yellow");
$command = trim(fgets(STDIN, 4096));
echo CLI::end_colour();
2016-11-29 00:31:16 +01:00
if ($command == 'help' || $command == '?') {
print "help or ? to exit\n" ;
print "quit or \q to exit\n" ;
print "install PHP_Shell for a more advanced interface with"
. " auto-completion and readline support\n\n" ;
continue ;
}
2016-11-29 00:31:16 +01:00
if ($command == 'quit' || $command == '\q') {
break ;
}
2016-11-29 00:31:16 +01:00
// Simple command processing
if (substr($command, -1) == ';') {
$command = substr($command, 0, -1);
}
$is_print = preg_match('/^\s*print/i', $command);
$is_return = preg_match('/^\s*return/i', $command);
if (!$is_print && !$is_return) {
$command = "return ($command)";
}
$command .= ";";
2016-11-29 00:31:16 +01:00
try {
$result = eval($command);
if (!$is_print) {
print_r($result);
}
echo "\n";
} catch (Exception $__repl_exception) {
echo CLI::start_colour("red");
printf(
2018-01-16 19:39:30 +01:00
'%s (code: %d) got thrown' . PHP_EOL,
2016-11-29 00:31:16 +01:00
get_class($__repl_exception),
$__repl_exception->getCode()
);
print $__repl_exception;
echo "\n";
}
}
}
}
}