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351 lines
8.5 KiB
PHP
351 lines
8.5 KiB
PHP
<?php
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/** @file clicommand.inc
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* @ingroup Phar
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* @brief class CLICommand
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* @author Marcus Boerger
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* @date 2007 - 2008
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*
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* Phar Command
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*/
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/** @ingroup Phar
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* @brief Abstract base console command implementation
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* @author Marcus Boerger
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* @version 1.0
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*/
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abstract class CLICommand
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{
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protected $argc;
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protected $argv;
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protected $cmds = array();
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protected $args = array();
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protected $typs = array();
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function __construct($argc, array $argv)
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{
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$this->argc = $argc;
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$this->argv = $argv;
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$this->cmds = self::getCommands($this);
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$this->typs = self::getArgTyps($this);
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if ($argc < 2) {
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self::error("No command given, check ${argv[0]} help\n");
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} elseif (!isset($this->cmds[$argv[1]]['run'])) {
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self::error("Unknown command '${argv[1]}', check ${argv[0]} help\n");
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} else {
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$command = $argv[1];
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}
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if (isset($this->cmds[$command]['arg'])) {
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$this->args = call_user_func(array($this, $this->cmds[$command]['arg']));
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$i = 1;
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$missing = false;
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while (++$i < $argc) {
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if ($argv[$i][0] == '-') {
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if (strlen($argv[$i]) == 2 && isset($this->args[$argv[$i][1]])) {
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$arg = $argv[$i][1];
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if (++$i >= $argc) {
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self::error("Missing argument to parameter '$arg' of command '$command', check ${argv[0]} help\n");
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} else {
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$this->args[$arg]['val'] = $this->checkArgTyp($arg, $i, $argc, $argv);
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}
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} else {
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self::error("Unknown parameter '${argv[$i]}' to command $command, check ${argv[0]} help\n");
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}
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} else {
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break;
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}
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}
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if (isset($this->args[''])) {
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if ($i >= $argc) {
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if (isset($this->args['']['require']) && $this->args['']['require']) {
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self::error("Missing default trailing arguments to command $command, check ${argv[0]} help\n");
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}
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} else {
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$this->args['']['val'] = array();
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while($i < $argc) {
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$this->args['']['val'][] = $argv[$i++];
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}
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}
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} else if ($i < $argc) {
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self::error("Unexpected default arguments to command $command, check ${argv[0]} help\n");
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}
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foreach($this->args as $arg => $inf) {
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if (strlen($arg) && !isset($inf['val']) && isset($inf['required']) && $inf['required']) {
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$missing .= "Missing parameter '-$arg' to command $command, check ${argv[0]} help\n";
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}
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}
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if (strlen($missing)) {
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self::error($missing);
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}
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}
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call_user_func(array($this, $this->cmds[$command]['run']), $this->args);
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}
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static function notice ($msg)
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{
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fprintf(STDERR, $msg);
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}
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static function error ($msg, $exit_code = 1)
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{
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self::notice($msg);
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exit($exit_code);
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}
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function checkArgTyp($arg, $i, $argc, $argv)
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{
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$typ = $this->args[$arg]['typ'];
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if (isset($this->typs[$typ]['typ'])) {
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return call_user_func(array($this, $this->typs[$typ]['typ']), $argv[$i], $this->args[$arg], $arg);
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} else {
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return $argv[$i];
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}
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}
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static function getSubFuncs(CLICommand $cmdclass, $prefix, array $subs)
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{
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$a = array();
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$r = new ReflectionClass($cmdclass);
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$l = strlen($prefix);
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foreach($r->getMethods() as $m) {
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if (substr($m->name, 0, $l) == $prefix) {
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foreach($subs as $sub) {
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$what = substr($m->name, $l+strlen($sub)+1);
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$func = $prefix . $sub . '_' . $what;
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$what = str_replace('_', '-', $what);
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if ($r->hasMethod($func)) {
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if (!isset($a[$what])) {
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$a[$what] = array();
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}
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$a[$what][$sub] = /*$m->class . '::' .*/ $func;
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}
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}
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}
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}
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return $a;
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}
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static function getCommands(CLICommand $cmdclass)
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{
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return self::getSubFuncs($cmdclass, 'cli_cmd_', array('arg','inf','run'));
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}
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static function getArgTyps(CLICommand $cmdclass)
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{
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return self::getSubFuncs($cmdclass, 'cli_arg_', array('typ'));
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}
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static function cli_arg_typ_bool($arg, $cfg, $key)
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{
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return (bool)$arg;
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}
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static function cli_arg_typ_int($arg, $cfg, $key)
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{
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if ((int)$arg != $arg) {
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self::error("Argument to -$key must be an integer.\n");
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}
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return (int)$arg;
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}
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static function cli_arg_typ_regex($arg, $cfg, $key)
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{
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if (strlen($arg)) {
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if (strlen($arg) > 1 && $arg[0] == $arg[strlen($arg)-1] && strpos('/,', $arg) !== false) {
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return $arg;
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} else {
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return '/' . $arg . '/';
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}
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} else {
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return NULL;
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}
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}
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static function cli_arg_typ_select($arg, $cfg, $key)
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{
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if (!in_array($arg, array_keys($cfg['select']))) {
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self::error("Parameter value '$arg' not one of '" . join("', '", array_keys($cfg['select'])) . "'.\n");
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}
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return $arg;
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}
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static function cli_arg_typ_dir($arg, $cfg, $key)
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{
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$f = realpath($arg);
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if ($f===false || !file_exists($f) || !is_dir($f)) {
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self::error("Requested path '$arg' does not exist.\n");
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}
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return $f;
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}
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static function cli_arg_typ_file($arg)
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{
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$f = new SplFileInfo($arg);
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$f = $f->getRealPath();
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if ($f===false || !file_exists($f)) {
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echo "Requested file '$arg' does not exist.\n";
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exit(1);
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}
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return $f;
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}
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static function cli_arg_typ_filenew($arg, $cfg, $key)
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{
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$d = dirname($arg);
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$f = realpath($d);
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if ($f === false) {
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self::error("Path for file '$arg' does not exist.\n");
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}
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return $f . '/' . basename($arg);
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}
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static function cli_arg_typ_filecont($arg, $cfg, $key)
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{
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return file_get_contents(self::cli_arg_typ_file($arg, $cfg, $key));
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}
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function cli_get_SP2($l1, $arg_inf)
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{
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return str_repeat(' ', $l1 + 2 + 4 + 8);
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}
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function cli_get_SP3($l1, $l2, $arg_inf)
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{
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return str_repeat(' ', $l1 + 2 + 4 + 8 + 2 + $l2 + 2);
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}
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static function cli_cmd_inf_help()
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{
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return "This help or help for a selected command.";
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}
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private function cli_wordwrap($what, $l, $sp)
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{
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$p = max(79 - $l, 40); // minimum length for paragraph
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$b = substr($what, 0, $l); // strip out initial $l
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$r = substr($what, $l); // remainder
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$r = str_replace("\n", "\n".$sp, $r); // in remainder replace \n's
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return $b . wordwrap($r, $p, "\n".$sp);
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}
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private function cli_help_get_args($func, $l, $sp, $required)
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{
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$inf = "";
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foreach(call_user_func($func, $l, $sp) as $arg => $conf) {
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if ((isset($conf['required']) && $conf['required']) != $required) {
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continue;
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}
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if (strlen($arg)) {
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$arg = "-$arg ";
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} else {
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$arg = "... ";
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}
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$sp2 = $this->cli_get_SP2($l, $inf);
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$l2 = strlen($sp2);
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$inf .= $this->cli_wordwrap($sp . $arg . $conf['inf'], $l2, $sp2) . "\n";
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if (isset($conf['select']) && count($conf['select'])) {
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$ls = 0;
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foreach($conf['select'] as $opt => $what) {
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$ls = max($ls, strlen($opt));
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}
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$sp3 = $this->cli_get_SP3($l, $ls, $inf);
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$l3 = strlen($sp3);
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foreach($conf['select'] as $opt => $what) {
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$inf .= $this->cli_wordwrap($sp2 . " " . sprintf("%-${ls}s ", $opt) . $what, $l3, $sp3) . "\n";
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}
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}
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}
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if (strlen($inf)) {
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if ($required) {
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return $sp . "Required arguments:\n\n" . $inf;
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} else {
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return $sp . "Optional arguments:\n\n". $inf;
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}
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}
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}
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function cli_cmd_arg_help()
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{
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return array('' => array('typ'=>'any','val'=>NULL,'inf'=>'Optional command to retrieve help for.'));
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}
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function cli_cmd_run_help()
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{
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$argv = $this->argv;
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$which = $this->args['']['val'];
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if (isset($which)) {
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if (count($which) != 1) {
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self::error("More than one command given.\n");
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}
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$which = $which[0];
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if (!array_key_exists($which, $this->cmds)) {
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if (strtolower($which) == 'commands') {
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self::cli_cmd_run_help_list();
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exit(0);
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}
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self::error("Unknown command, cannot retrieve help.\n");
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}
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$l = strlen($which);
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$cmds = array($which => $this->cmds[$which]);
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} else {
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echo "\n$argv[0] <command> [options]\n\n";
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$l = 0;
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ksort($this->cmds);
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foreach($this->cmds as $name => $funcs) {
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$l = max($l, strlen($name));
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}
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$inf = "Commands:";
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$lst = "";
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$ind = strlen($inf) + 1;
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foreach($this->cmds as $name => $funcs) {
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$lst .= ' ' . $name;
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}
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echo $this->cli_wordwrap($inf.$lst, $ind, str_repeat(' ', $ind)) . "\n\n";
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$cmds = $this->cmds;
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}
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$sp = str_repeat(' ', $l + 2);
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foreach($cmds as $name => $funcs) {
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$inf = $name . substr($sp, strlen($name));
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if (isset($funcs['inf'])) {
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$inf .= $this->cli_wordwrap(call_user_func(array($this, $funcs['inf'])), $l, $sp) . "\n";
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if (isset($funcs['arg'])) {
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$inf .= "\n";
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$inf .= $this->cli_help_get_args(array($this, $funcs['arg']), $l, $sp, true);
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$inf .= "\n";
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$inf .= $this->cli_help_get_args(array($this, $funcs['arg']), $l, $sp, false);
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}
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}
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echo "$inf\n\n";
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}
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exit(0);
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}
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static function cli_cmd_inf_help_list()
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{
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return "Lists available commands.";
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}
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function cli_cmd_run_help_list()
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{
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ksort($this->cmds);
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echo join(' ', array_keys($this->cmds)) . "\n";
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}
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}
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?>
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