g_src/command_line.cpp

   1 #include "platform.h"
   2 #include <string.h>
   3 #include <math.h>
   4 #include <iosfwd>
   5 #include <iostream>
   6 #include <ios>
   7 #include <streambuf>
   8 #include <istream>
   9 #include <ostream>
  10 #include <iomanip>
  11 #include <sstream>
  12 #include <cstdlib>
  13 #include <fstream>
  14 #include <zlib.h>
  15
  16 #include "svector.h"
  17 using std::string;
  18
  19 #include "endian.h"
  20
  21 #include "files.h"
  22
  23 #include "enabler.h"
  24
  25 #include "textlines.h"
  26
  27 #include "basics.h"
  28
  29 #include "command_line.h"
  30
  31 void command_linest::init(const string &str)
  32 {
  33         original=str;
  34
  35         //BUILD THE TOKEN LIST
  36         long pos=0;
  37         while(grab_arg(original,pos));
  38
  39         //HANDLE EACH TOKEN
  40         long l;
  41         for(l=0;l<arg_vect.str.size();l++)
  42                 {
  43                 handle_arg(arg_vect.str[l]->dat);
  44                 }
  45 }
  46
  47 char command_linest::grab_arg(string &source,long &pos)
  48 {
  49         string dest;
  50
  51         while(pos<source.length())
  52                 {
  53                 //HIT A NEW ARGUMENT?  RETURN, OTHERWISE SKIP AND START UP
  54                 if(source[pos]=='-')
  55                         {
  56                         if(dest.empty()){pos++;continue;}
  57                         else
  58                                 {
  59                                 pos++;
  60                                 arg_vect.add_string(dest);
  61                                 return 1;
  62                                 }
  63                         }
  64
  65                 dest+=source[pos];
  66
  67                 pos++;
  68                 }
  69
  70         if(!dest.empty())arg_vect.add_string(dest);
  71         return 0;
  72 }
  73
  74 void command_linest::handle_arg(string &arg)
  75 {
  76         long pos=0;
  77         string dest;
  78
  79         grab_token_string_pos(dest,arg,pos,' ');
  80         pos+=dest.length();
  81
  82         short arg_pos=0;
  83         if(dest=="gen")
  84                 {
  85                 //KEEP GOING FOR A NUMBER
  86                 while(pos+1<arg.length())
  87                         {
  88                         dest.erase();
  89                         pos++;
  90                         auto s=arg.begin(),e=arg.end();
  91                         s+=pos;
  92                         bool quote=false;
  93                         for(;s<e;++s)
  94                                 {
  95                                 if((*s)=='"')
  96                                         {
  97                                         if(quote)break;
  98                                         else quote=true;
  99                                         ++pos;
 100                                         continue;
 101                                         }
 102                                 else if((*s)==' '&&!quote)break;
 103                                 dest+=(*s);
 104                                 }
 105                         pos+=dest.length();
 106
 107
 108                         if(!dest.empty())
 109                                 {
 110                                 if(arg_pos==0)gen_id=convert_string_to_long(dest);
 111                                 if(arg_pos==1)
 112                                         {
 113                                         if(dest!="RANDOM")
 114                                                 {
 115                                                 world_seed=convert_string_to_ulong(dest);
 116                                                 use_seed=1;
 117                                                 }
 118                                         }
 119                                 if(arg_pos==2)
 120                                         {
 121                                         if(dest!="NONE")
 122                                                 {
 123                                                 world_param=dest;
 124                                                 use_param=1;
 125                                                 }
 126                                         }
 127
 128                                 arg_pos++;
 129                                 }
 130                         }
 131                 }
 132 }