diff --git a/ase/include/ase/utl/getopt.h b/ase/include/ase/utl/getopt.h index 77e465eb..748ef234 100644 --- a/ase/include/ase/utl/getopt.h +++ b/ase/include/ase/utl/getopt.h @@ -1,5 +1,5 @@ /* - * $Id: getopt.h 284 2008-07-22 14:22:24Z baconevi $ + * $Id: getopt.h 285 2008-07-23 03:59:57Z baconevi $ * * {License} */ @@ -24,7 +24,7 @@ struct ase_opt_t { /* input */ const ase_char_t* str; - ase_opt_long_t* opt_long; +// ase_opt_long_t* opt_long; /* output */ ase_cint_t opt; /* character checked for validity */ diff --git a/ase/lib/utl/getopt.c b/ase/lib/utl/getopt.c index c06cde15..8551766f 100644 --- a/ase/lib/utl/getopt.c +++ b/ase/lib/utl/getopt.c @@ -1,5 +1,5 @@ /* - * $Id: getopt.c 284 2008-07-22 14:22:24Z baconevi $ + * $Id: getopt.c 285 2008-07-23 03:59:57Z baconevi $ * * {License} */ @@ -49,83 +49,191 @@ #define BADARG ASE_T(':') #define EMSG ASE_T("") -#define optstr opt->str -#define optarg opt->arg -#define optind opt->ind -#define optopt opt->opt -#define place opt->cur - +#if 0 ase_cint_t ase_getopt (int argc, ase_char_t* const* argv, ase_opt_t* opt) { ase_char_t* oli; /* option letter list index */ - if (place == ASE_NULL) + if (opt->cur == ASE_NULL) { - place = EMSG; - optind = 1; + opt->cur = EMSG; + opt->ind = 1; } - if (*place == ASE_T('\0')) + if (*opt->cur == ASE_T('\0')) { /* update scanning pointer */ - if (optind >= argc || *(place = argv[optind]) != ASE_T('-')) + if (opt->ind >= argc || *(opt->cur = argv[opt->ind]) != ASE_T('-')) { - place = EMSG; + opt->cur = EMSG; return ASE_CHAR_EOF; } - if (place[1] != ASE_T('\0') && *++place == ASE_T('-')) + if (opt->cur[1] != ASE_T('\0') && *++opt->cur == ASE_T('-')) { /* found "--" */ - ++optind; - place = EMSG; + ++opt->ind; + opt->cur = EMSG; return ASE_CHAR_EOF; } } /* option letter okay? */ - if ((optopt = *place++) == ASE_T(':') || - (oli = ase_strchr(optstr, optopt)) == ASE_NULL) + if ((opt->opt = *opt->cur++) == ASE_T(':') || + (oli = ase_strchr(opt->str, opt->opt)) == ASE_NULL) { /* * if the user didn't specify '-' as an option, * assume it means EOF. */ - if (optopt == (int)'-') return ASE_CHAR_EOF; - if (*place == ASE_T('\0')) ++optind; + if (opt->opt == (int)'-') return ASE_CHAR_EOF; + if (*opt->cur == ASE_T('\0')) ++opt->ind; return BADCH; } if (*++oli != ASE_T(':')) { /* don't need argument */ - optarg = ASE_NULL; - if (*place == ASE_T('\0')) ++optind; + opt->arg = ASE_NULL; + if (*opt->cur == ASE_T('\0')) ++opt->ind; } else { /* need an argument */ - if (*place != ASE_T('\0')) + if (*opt->cur != ASE_T('\0')) { /* no white space */ - optarg = place; + opt->arg = opt->cur; } - else if (argc <= ++optind) + else if (argc <= ++opt->ind) { /* no arg */ - place = EMSG; - /*if (*optstr == ASE_T(':'))*/ return BADARG; + opt->cur = EMSG; + /*if (*opt->str == ASE_T(':'))*/ return BADARG; /*return BADCH;*/ } else { /* white space */ - optarg = argv[optind]; + opt->arg = argv[opt->ind]; } - place = EMSG; - ++optind; + opt->cur = EMSG; + ++opt->ind; } - return optopt; /* dump back option letter */ + return opt->opt; /* dump back option letter */ } +#endif + +/* Code based on Unununium project (http://unununium.org/) */ + +ase_cint_t ase_getopt_long (int argc, ase_char_t* const* argv, ase_opt_t* opt) +{ + static int lastidx,lastofs; + ase_char_t* tmp; + + if (opt->ind == 0) opt->ind = 1; + +again: + if (opt->ind > argc || !argv[opt->ind] || + *argv[opt->ind] != ASE_T('-') || argv[opt->ind][1] == AES_T('\0')) return -1; + + if (argv[opt->ind][1] == ASE_T('-') && argv[opt->ind][2]==ASE_T('\0')) + { + ++opt->ind; + return -1; + } + + if (argv[opt->ind][1] == ASE_T('-')) + { + ase_char_t* arg = argv[opt->ind] + 2; + const struct option* o; + + /* TODO: rewrite it.. */ + char* max=strchr(arg,'='); + if (max == ASE_NULL) max = arg + strlen(arg); + + for (o=longopts; o->name; ++o) + { + if (!strncmp (o->name, arg, max - arg)) + { + /* match */ + if (longindex) *longindex=o-longopts; + if (o->has_arg>0) + { + if (*max == '=') opt->arg=max+1; + else + { + opt->arg=argv[opt->ind+1]; + if (!opt->arg && o->has_arg==1) + { /* no argument there */ + if (*optstring==':') return ':'; + write(2,"argument required: `",20); + write(2,arg,(size_t)(max-arg)); + write(2,"'.\n",3); + ++opt->ind; + return '?'; + } + ++opt->ind; + } + } + ++opt->ind; + if (o->flag) + *(o->flag)=o->val; + else + return o->val; + return 0; + } + } + + if (*optstring==':') return ':'; + write(2,"invalid option `",16); + write(2,arg,(size_t)(max-arg)); + write(2,"'.\n",3); + ++opt->ind; + return '?'; + } + if (lastidx!=opt->ind) { + lastidx=opt->ind; lastofs=0; + } + + optopt=argv[opt->ind][lastofs+1]; + if ((tmp=strchr(optstring,optopt))) { + if (*tmp==0) + { /* apparently, we looked for \0, i.e. end of argument */ + ++opt->ind; + goto again; + } + if (tmp[1]==':') + { /* argument expected */ + if (tmp[2]==':' || argv[opt->ind][lastofs+2]) { /* "-foo", return "oo" as opt->arg */ + if (!*(opt->arg=argv[opt->ind]+lastofs+2)) opt->arg=0; + goto found; + } + opt->arg=argv[opt->ind+1]; + if (!opt->arg) { /* missing argument */ + ++opt->ind; + if (*optstring==':') return ':'; + getopterror(1); + return ':'; + } + ++opt->ind; + } + else + { + ++lastofs; + return optopt; + } +found: + ++opt->ind; + return optopt; + } + else + { /* not found */ + getopterror(0); + ++opt->ind; + return '?'; + } +} +