src/apps/terminal/Arguments.cpp

   1 /*
   2  * Copyright 2005, Ingo Weinhold, bonefish@users.sf.net.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include "Arguments.h"
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12
  13 #include <Catalog.h>
  14 #include <Locale.h>
  15
  16
  17 #undef B_TRANSLATION_CONTEXT
  18 #define B_TRANSLATION_CONTEXT "Terminal arguments parsing"
  19
  20
  21 Arguments::Arguments(int defaultArgsNum, const char* const* defaultArgs)
  22         : fUsageRequested(false),
  23           fBounds(50, 50, 630, 435),
  24           fStandardShell(true),
  25           fFullScreen(false),
  26           fShellArgumentCount(0),
  27           fShellArguments(NULL),
  28           fTitle(NULL)
  29 {
  30         _SetShellArguments(defaultArgsNum, defaultArgs);
  31 }
  32
  33
  34 Arguments::~Arguments()
  35 {
  36         _SetShellArguments(0, NULL);
  37 }
  38
  39
  40 void
  41 Arguments::Parse(int argc, const char* const* argv)
  42 {
  43         int argi;
  44         for (argi = 1; argi < argc; argi ++) {
  45                 const char* arg = argv[argi];
  46
  47                 if (*arg == '-') {
  48                         if (strcmp(arg, "-h") == 0 || strcmp(arg, "--help") == 0)
  49                                 fUsageRequested = true;
  50                         else if (strcmp(arg, "-t") == 0 || strcmp(arg, "--title") == 0) {
  51                                 // title
  52                                 if (argi >= argc)
  53                                         fUsageRequested = true;
  54                                 else
  55                                         fTitle = argv[++argi];
  56
  57                         } else if (strcmp(arg, "-f") == 0 || strcmp(arg, "--fullscreen")
  58                                         == 0)
  59                                 fFullScreen = true;
  60                         else {
  61                                 // illegal option
  62                                 fprintf(stderr, B_TRANSLATE("Unrecognized option \"%s\"\n"),
  63                                         arg);
  64                                 fUsageRequested = true;
  65                         }
  66                 } else {
  67                         // no option, so the remainder is the shell program with arguments
  68                         _SetShellArguments(argc - argi, argv + argi);
  69                         argi = argc;
  70                         fStandardShell = false;
  71                 }
  72         }
  73 }
  74
  75
  76 void
  77 Arguments::GetShellArguments(int& argc, const char* const*& argv) const
  78 {
  79         argc = fShellArgumentCount;
  80         argv = fShellArguments;
  81 }
  82
  83
  84 void
  85 Arguments::_SetShellArguments(int argc, const char* const* argv)
  86 {
  87         // delete old arguments
  88         for (int32 i = 0; i < fShellArgumentCount; i++)
  89                 free((void *)fShellArguments[i]);
  90         delete[] fShellArguments;
  91
  92         fShellArguments = NULL;
  93         fShellArgumentCount = 0;
  94
  95         // copy new ones
  96         if (argc > 0 && argv) {
  97                 fShellArguments = new const char*[argc + 1];
  98                 for (int i = 0; i < argc; i++)
  99                         fShellArguments[i] = strdup(argv[i]);
 100
 101                 fShellArguments[argc] = NULL;
 102                 fShellArgumentCount = argc;
 103         }
 104 }
 105