mcs/tools/monop/options.cs

   1 //
   2 // options.cs: Processes command line args
   3 //
   4 // Author:
   5 //      John Luke  <john.luke@gmail.com>
   6 //
   7 // Permission is hereby granted, free of charge, to any person obtaining
   8 // a copy of this software and associated documentation files (the
   9 // "Software"), to deal in the Software without restriction, including
  10 // without limitation the rights to use, copy, modify, merge, publish,
  11 // distribute, sublicense, and/or sell copies of the Software, and to
  12 // permit persons to whom the Software is furnished to do so, subject to
  13 // the following conditions:
  14 //
  15 // The above copyright notice and this permission notice shall be
  16 // included in all copies or substantial portions of the Software.
  17 //
  18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  22 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25 //
  26
  27 using System;
  28
  29 internal class Options
  30 {
  31         internal bool DeclaredOnly = false;
  32         internal bool Search = false;
  33         internal bool ShowPrivate = false;
  34         internal string AssemblyReference = null;
  35         internal string Type = null;
  36
  37         internal Options ()
  38         {
  39         }
  40
  41         // returning true means processed ok
  42         // and execution should continue
  43         internal bool ProcessArgs (string[] args)
  44         {
  45                 if (args.Length < 1) {
  46                         PrintUsage ();
  47                         return false;
  48                 }
  49
  50                 for (int i = 0; i < args.Length; i++) {
  51                         switch (args[i]) {
  52                                 case "-h":
  53                                 case "--help":
  54                                         PrintHelp ();
  55                                         return false;
  56                                 case "--runtime-version":
  57                                         PrintRuntimeVersion ();
  58                                         return false;
  59                                 case "-d":
  60                                 case "--declared-only":
  61                                         DeclaredOnly = true;
  62                                         break;
  63                                 case "-p":
  64                                 case "--private":
  65                                         ShowPrivate = true;
  66                                         break;
  67                                 case "-s":
  68                                 case "-k":
  69                                 case "--search":
  70                                         Search = true;
  71                                         break;
  72                                 case "-c":
  73                                         i++;
  74                                         if (i < args.Length)
  75                                                 MonoP.Completion (args[i]);
  76                                         return false;
  77                                 case "-r":
  78                                         i++;
  79                                         if (i < args.Length)
  80                                                 AssemblyReference = args[i];
  81                                         break;
  82                                 default:
  83                                         if (args[i].StartsWith ("-r:") || args[i].StartsWith ("/r:")) {
  84                                                 AssemblyReference = args [i].Substring (3);
  85                                                 break;
  86                                         }
  87
  88                                         // The first unrecognizable option becomes
  89                                         // the type to look up
  90                                         if (Type == null) {
  91                                                 Type = args[i];
  92                                                 break;
  93                                         }
  94
  95                                         // others are ignored
  96                                         Console.WriteLine ("ignored: {0}", args[i]);
  97                                         break;
  98                         }
  99                 }
 100
 101                 // must specify at least one of these
 102                 if (Type == null && AssemblyReference == null)
 103                         return false;
 104
 105                 return true;
 106         }
 107
 108         void PrintRuntimeVersion ()
 109         {
 110                 Console.WriteLine ("runtime version: {0}", Environment.Version);
 111         }
 112
 113         void PrintUsage ()
 114         {
 115                 Console.WriteLine ("Usage is: monop [option] [-c] [-r:Assembly] [class-name]");
 116         }
 117
 118         void PrintHelp ()
 119         {
 120                 PrintUsage ();
 121                 Console.WriteLine ("");
 122                 Console.WriteLine ("options:");
 123                 Console.WriteLine ("\t--declared-only,-d\tOnly show members declared in the Type");
 124                 Console.WriteLine ("\t--help,-h\t\tShow this information");
 125                 Console.WriteLine ("\t--private,-p\t\tShow private members");
 126                 Console.WriteLine ("\t--runtime-version\tPrint runtime version");
 127                 Console.WriteLine ("\t--search,-s,-k\t\tSearch through all known namespaces");
 128         }
 129 }
 130