| 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 | |