git.m6w6.name Git - pharext/pharext/blob - src/pharext/CliCommand.php

   1 <?php
   2
   3 namespace pharext;
   4
   5 require_once __DIR__."/Version.php";
   6
   7 trait CliCommand
   8 {
   9         /**
  10          * Command line arguments
  11          * @var pharext\CliArgs
  12          */
  13         private $args;
  14
  15         /**
  16          * Output pharext vX.Y.Z header
  17          */
  18         function header() {
  19                 printf("pharext v%s (c) Michael Wallner <mike@php.net>\n\n", VERSION);
  20         }
  21
  22         /**
  23          * Output command line help message
  24          * @param string $prog
  25          */
  26         public function help($prog) {
  27                 printf("Usage:\n\n  \$ %s", $prog);
  28
  29                 $flags = [];
  30                 $required = [];
  31                 $optional = [];
  32                 foreach ($this->args->getSpec() as $spec) {
  33                         if ($spec[3] & CliArgs::REQARG) {
  34                                 if ($spec[3] & CliArgs::REQUIRED) {
  35                                         $required[] = $spec;
  36                                 } else {
  37                                         $optional[] = $spec;
  38                                 }
  39                         } else {
  40                                 $flags[] = $spec;
  41                         }
  42                 }
  43
  44                 if ($flags) {
  45                         printf(" [-%s]", implode("", array_column($flags, 0)));
  46                 }
  47                 foreach ($required as $req) {
  48                         printf(" -%s <arg>", $req[0]);
  49                 }
  50                 if ($optional) {
  51                         printf(" [-%s <arg>]", implode("|-", array_column($optional, 0)));
  52                 }
  53                 printf("\n\n");
  54                 $spc = $this->args->getSpec();
  55                 $max = max(array_map("strlen", array_column($spc, 1)));
  56                 $max += $max % 8 + 2;
  57                 foreach ($spc as $spec) {
  58                         if (isset($spec[0])) {
  59                                 printf("    -%s|", $spec[0]);
  60                         } else {
  61                                 printf("    ");
  62                         }
  63                         printf("--%s ", $spec[1]);
  64                         if ($spec[3] & CliArgs::REQARG) {
  65                                 printf("<arg>  ");
  66                         } elseif ($spec[3] & CliArgs::OPTARG) {
  67                                 printf("[<arg>]");
  68                         } else {
  69                                 printf("       ");
  70                         }
  71                         printf("%s%s", str_repeat(" ", $max-strlen($spec[1])+3*!isset($spec[0])), $spec[2]);
  72                         if ($spec[3] & CliArgs::REQUIRED) {
  73                                 printf(" (REQUIRED)");
  74                         }
  75                         if (isset($spec[4])) {
  76                                 printf(" [%s]", $spec[4]);
  77                         }
  78                         printf("\n");
  79                 }
  80                 printf("\n");
  81         }
  82
  83
  84 }