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ENHANCMENT: Improvements to 'sake interactive', thanks Hamish Friedlander

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@73471 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2009-03-21 03:18:07 +00:00
parent 16a012dfa1
commit d922d2c36a
1 changed files with 71 additions and 15 deletions
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86
dev/SapphireREPL.php
View File

@ -1,23 +1,79 @@
<?php
/* 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);
*/
class SapphireREPL extends Controller {
private 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));
}
function index() {
if(!Director::is_cli()) return "The Sapphire Interactive Command-line doesn't work in a web browser. Use 'sake interactive' from the command-line to run.";
echo "Sapphire Interactive Command-line (REPL interface)\n\n";
while(true) {
echo SSCli::text("?> ", "cyan");
echo SSCli::start_colour("yellow");
$command = trim(fgets(STDIN, 4096));
echo SSCli::end_colour();
// Simple processing
if(substr($command,-1) == ';') $command = substr($command,0,-1);
if(!preg_match('/^return/i', $command)) $command = "return ($command)";
$command .= ";";
$result = eval($command);
print_r($result);
echo "\n";
/* Try using PHP_Shell if it exists */
@include 'php-shell-cmd.php' ;
/* Fall back to our simpler interface */
if( empty( $__shell ) ) {
set_error_handler(array($this, 'error_handler'));
echo "Sapphire Interactive Command-line (REPL interface). Type help for hints.\n\n";
while(true) {
echo SSCli::text("?> ", "cyan");
echo SSCli::start_colour("yellow");
$command = trim(fgets(STDIN, 4096));
echo SSCli::end_colour();
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 ;
}
if ( $command == 'quit' || $command == '\q' ) break ;
// Simple command processing
if(substr($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 .= ";";
try {
$result = eval($command);
if(!$is_print) print_r($result);
echo "\n";
}
catch( Exception $__repl_exception ) {
echo SSCli::start_colour("red");
printf( '%s (code: %d) got thrown'.PHP_EOL, get_class($__repl_exception), $__repl_exception->getCode() );
print $__repl_exception;
echo "\n";
}
}
}
}
}