int parse_command_line(int argc, char *argv[], FF_STD_ARGS_PTR std_args)
{
int i;
int error;
int num_flags = 0;
int last_error = 0;
assert(std_args);
if (!std_args)
return(err_push(ERR_MEM_LACK, "standard args structure"));
error = 0;
/* Has user specified no command line parameters but is redirecting stdin?
A format file will have to specified -- err-out when failing to create formats.
*/
if (argc == 1 && is_redirecting_stdin())
std_args->user.is_stdin_redirected = 1;
/* Interpret the command line */
for (i = 1; i < argc; i++)
{
switch (argv[i][0]) /* ? */
{
case '-' :
num_flags++;
switch (toupper(argv[i][1])) /* -? */
{
case 'B' : /* cache size */
error = option_B(argv, std_args, &i);
break;
case 'C' : /* head 'n tail count */
error = option_C(argv, std_args, &i);
break;
case 'D' : /* data file name */
error = option_D(argv, std_args, &i);
break;
case 'E' : /* error logging option */
error = option_E_(argv, std_args, &i);
break;
case 'F' : /* single format file/title */
error = option_F_(argv, std_args, &i);
break;
case 'G' : /* SDE grid sizes */
error = option_G(argv, std_args, &i);
break;
case 'I' : /* input format file/title */
error = option_I__(argv, std_args, &i);
break;
case 'M' : /* Checkvar maxbins, missing data, or max/min only */
error = option_M_(argv, std_args, &i);
break;
case 'O' : /* output data file, or output format file/title */
error = option_O__(argv, std_args, &i);
break;
case 'P' : /* Checkvar precision */
error = option_P(argv, std_args, &i);
break;
case 'S' : /* Checkvar subsetting */
error = option_S(argv, std_args, &i);
break;
case 'T' : /* FF2PSDTS terms file */
error = option_T(argv, std_args, &i);
break;
case 'Q' : /* query file */
error = option_Q(argv, std_args, &i);
break;
case 'V' : /* variable file */
error = option_V(argv, std_args, &i);
break;
default :
error = err_push(ERR_UNKNOWN_OPTION, "==> %s <==", argv[i]);
break;
} /* switch on flag letter code */
if (error)
last_error = error;
break; /* case '-' */
default :
/* Has user omitted the optional -D option flag? */
if (i == 1)
{
if (!os_file_exist(argv[1]))
last_error = err_push(ERR_OPEN_FILE, argv[1]);
std_args->input_file = argv[1];
}
else
last_error = err_push(ERR_UNKNOWN_OPTION, "Expecting an option flag (beginning with '-')\n==> %s <==", argv[i]);
break;
} /* switch on argv[?][0] */
} /* End of Command line interpretation (for loop)*/
/* Is user redirecting stdin? */
if (!std_args->input_file)
{
if (is_redirecting_stdin())
std_args->user.is_stdin_redirected = 1;
else if (argc > 1)
last_error = err_push(ERR_GENERAL, "Expecting a data file to process");
}
if (!std_args->output_file && is_redirecting_stdout())
std_args->user.is_stdout_redirected = 1;
if (last_error)
show_command_line(argc, argv);
/* Has user requested a log file but not an error log? Why make errors interactive
when they are logging? So send errors and log to the same file
*/
if (!std_args->error_log && std_args->log_file)
std_args->error_log = std_args->log_file;
return(last_error);
}
/**
* @brief ...
* @param argc
* @param argv
* @param lib
*/
int my_main(int argc, char *argv[], char lib)
{
char *wchars = NULL;
char *preftype = NULL;
static char outbuf[BUFSIZ];
int arglen, old_argc;
char *cpd = NULL;
char *Cmd = *argv;
/* Pointer to name of $(LIBDIR)/dict */
char *LibDict = NULL;
islib = lib;
old_argc = argc;
Trynum = 0;
sprintf(hashname, "%s/%s", LIBDIR, DEFHASH);
strcpy(signs, DEFAULT_SIGNS);
argv++;
argc--;
while (argc && **argv == '-') {
/*
* Trying to add a new flag? Can't remember what's been used?
* Here's a handy guide:
*
* Used:
* ABCDEFGHIJKLMNOPQRSTUVWXYZ 0123456789
* ^^^^ ^^^ ^ ^^ ^^
* abcdefghijklmnopqrstuvwxyz
* ^^^^^^* ^^^*^ ^^*^^^*
*/
arglen = strlen(*argv);
add_inc = 0;
switch ((*argv)[1]) {
case 'v':
option_v(Cmd, argc, argv, arglen);
break;
case 'n':
preftype = option_n(Cmd, preftype, arglen);
break;
case 't': /* TeX mode */
preftype = option_t(Cmd, preftype, arglen);
break;
case 'T': /* Set preferred file type */
preftype = option_T(Cmd, argc, argv);
break;
case 'A':
option_A(Cmd, arglen);
break;
case 'a':
option_a(Cmd, arglen);
break;
case 'D':
option_D(Cmd, arglen);
break;
case 'J':
option_J(Cmd, arglen);
break;
case 'e':
option_e(Cmd, arglen, argv);
break;
case 'c':
option_c(Cmd, arglen, argv);
break;
case 'b':
option_b(Cmd, arglen);
break;
case 'x':
option_x(Cmd, arglen);
break;
case 'f':
option_f(Cmd, argc, argv);
break;
case 'L':
option_L(Cmd, argc, argv);
break;
case 'l':
option_l(Cmd, arglen);
break;
case 'S':
option_S(Cmd, arglen);
break;
case 'B': /* -B: report missing blanks */
option_B(Cmd, arglen);
break;
case 'C': /* -C: compound words are acceptable */
option_C(Cmd, arglen);
break;
case 'P': /* -P: don't gen non-dict poss's */
option_P(Cmd, arglen);
break;
case 'm': /* -m: make all poss affix combos*/
option_m(Cmd, arglen);
break;
case 'N': /* -N: suppress minimenu */
option_N(Cmd, arglen);
break;
case 'M':
option_M(Cmd, arglen);
break; /* -M: force minimenu */
case 'p':
option_p(LibDict, &cpd, Cmd, argc, argv);
break;
case 'd':
option_d(LibDict, cpd, Cmd, argc, argv);
break;
case 'V': /* Display 8-bit characters as M-xxx */
option_V(Cmd, arglen);
break;
case 'w':
wchars = (*argv)+2;
if (*wchars == '\0') {
argv++; argc--;
if (argc == 0)
usage(Cmd);
wchars = *argv;
}
break;
case 'W':
option_W(Cmd, argc, argv);
break;
case 'o':
option_o(Cmd, argc, argv);
break;
case 'g':
option_g(Cmd, arglen);
break;
case 'u':
option_u(Cmd, arglen);
break;
case 'y':
option_y(Cmd, arglen);
break;
case 'z':
option_z(Cmd, arglen);
break;
default:
usage(Cmd);
} /* end switch */
if (add_inc) {
argv++; argc--;
}
argv++; argc--;
}
if (!argc && !lflag && !aflag && !eflag && !dumpflag)
usage(Cmd);
verify_files(argc, argv);
if (!oflag) strcpy(o_form, DEF_OUT);
if (linit() < 0) exit(1); /* Force an error */
det_prefstringchar(preftype);
if (prefstringchar < 0)
defdupchar = 0;
else
defdupchar = prefstringchar;
if (missingspaceflag < 0)
missingspaceflag = hashheader.defspaceflag;
if (tryhardflag < 0)
tryhardflag = hashheader.defhardflag;
initckch(wchars);
process_LibDict(LibDict, cpd);
if (process_a_e_and_d_flags() == 0)
return 0;
if (!islib)
setbuf(stdout, outbuf);
/* process lflag (also used with the -c option) */
if (lflag) {
infile = stdin;
outfile = stdout;
if (!islib)
checkfile();
return 0;
}
/* n. of parameters advanced */
return old_argc - argc;
}