pc-tools/ldc2/src/main.cpp

   1 /* ldc2 preliminary main program */
   2
   3 #include <vector>
   4 #include <string>
   5
   6 #include <stdio.h>
   7 #include <unistd.h>
   8 #include <sys/types.h>
   9 #include <sys/stat.h>
  10 #include <fcntl.h>
  11
  12 #include "tape_block.hh"
  13 #include "argument_reader.hh"
  14
  15 using namespace std;
  16
  17 int dump_vector(vector<string> arguments){
  18   int res=0;
  19   for (vector<string>::iterator iter=arguments.begin();iter<arguments.end();iter++){
  20     printf("%s\n",(*iter).c_str());
  21     res=1;
  22   }
  23   return res;
  24 }
  25
  26
  27
  28 int main(int argc, char ** args){
  29
  30   string infile, outfile;
  31   int infile_set, outfile_set;
  32   int help_wanted;
  33
  34   int greet_want;
  35   string greetings;
  36
  37   int in_fd, out_fd;
  38
  39   in_fd=0;  //stdin   {O _ \
  40   out_fd=1; //stdout  {O ^ /
  41
  42   argument_reader ar("ldc2");
  43   ar.add_param("h","help","Output this help text.",&help_wanted);
  44   ar.add_param("g","greet","Wonderful bla bla. It is here only to test the output\
  45 capabilities of the arg_reader.",&greet_want);
  46
  47   ar.add_argument("<input-file>","File from where data is read",&infile_set,&infile);
  48   ar.add_argument("<output-file>","File to where output is redirected",&outfile_set,&outfile);
  49
  50
  51   if((dump_vector(ar.read_args(argc,args))||help_wanted)){
  52     dump_vector(ar.get_help());
  53     exit(1);
  54   }
  55   if(greet_want)printf("Hallo!\n");
  56
  57   if (infile_set==1){
  58     printf("Opening file for input:%s\n",infile.c_str());
  59     in_fd=open(infile.c_str(),O_RDONLY);
  60     if (in_fd<0){
  61       printf("Error: could not open file:%s\n",infile.c_str());
  62       exit (3);
  63     }
  64   }
  65
  66   vector<tape_block*> tape;
  67
  68
  69   tape_block * block=0;
  70   while(1){
  71     block=tape_block::gen_from_fd(in_fd);
  72     if (block->get_state()==tape_block::TBS_OK){
  73       tape.insert(tape.end(),block);
  74       dump_vector(block->get_description());
  75     }
  76     else break;
  77   }
  78
  79   switch(block->get_state()){
  80   case tape_block::TBS_EOF_LEGAL: printf("File successfully read.\n");
  81     break;
  82   case tape_block::TBS_EOF_ILLEGAL: printf("EOF while in block!\n");
  83     break;
  84   case tape_block::TBS_CHECKSUM:
  85     printf("Checksum error!\n");
  86     break;
  87   case tape_block::TBS_DEFAULT:
  88     printf("TBS_DEFAULT encountered ->> SEVERY INTERNAL ERROR!\n");
  89     exit(88);
  90   case tape_block::TBS_IOERR:
  91     printf("I/O Error... Why?\n");
  92     exit (43);
  93   }
  94
  95   return 0;
  96 } // main()
  97