diff options
author | Mattias Andrée <maandree@operamail.com> | 2013-06-21 04:26:53 +0200 |
---|---|---|
committer | Mattias Andrée <maandree@operamail.com> | 2013-06-21 04:26:53 +0200 |
commit | 5f0d02335c5e74872ee19885c9d51c0c599fd597 (patch) | |
tree | fc907ea751c6af0a71fb6e14deee350065134f4a /src/argparser.c | |
parent | derp (diff) | |
download | argparser-5f0d02335c5e74872ee19885c9d51c0c599fd597.tar.gz argparser-5f0d02335c5e74872ee19885c9d51c0c599fd597.tar.bz2 argparser-5f0d02335c5e74872ee19885c9d51c0c599fd597.tar.xz |
almost complete implementation of parse in C version
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src/argparser.c')
-rw-r--r-- | src/argparser.c | 198 |
1 files changed, 197 insertions, 1 deletions
diff --git a/src/argparser.c b/src/argparser.c index b72639f..dc6e5eb 100644 --- a/src/argparser.c +++ b/src/argparser.c @@ -159,6 +159,10 @@ extern void args_dispose() free(args_message); if (args_program_dispose) free(args_program); + + args_files = null; + args_message = null; + args_program_dispose = false; } @@ -634,7 +638,199 @@ extern void args_help() */ extern long args_parse(int argc, char** argv) { - /* TODO */ + char** argend = argv + argc; + long dashed = false, tmpdashed = false, get = 0, dontget = 0, rc = true; + long argptr = 0, optptr = 0, freeptr = 0, queuesize/*TODO*/ = argc - 1; + char** argqueue; + char** optqueue; + char** freequeue; + + args_unrecognised_count = 0; + args_arguments_count = argc - 1; + args_arguments = argv + 1; + args_files = (char**)malloc((argc - 1) * sizeof(char*)); + + argqueue = (char**)malloc(queuesize * sizeof(char*)); + optqueue = (char**)malloc(queuesize * sizeof(char*)); + freequeue = (char**)malloc(queuesize * sizeof(char*)); + + while (argv != argend) + { + char* arg = *argv++; + if ((get > 0) && (dontget == 0)) + { + get--; + *(argqueue + argptr++) = arg; + } + else if (tmpdashed) + { + *(args_files + args_files_count++) = arg; + tmpdashed = 0; + } + else if (dashed) + *(args_files + args_files_count++) = arg; + else if ((*arg == '+') && (*(arg + 1) == '+') && (*(arg + 2) == 0)) + tmpdashed = true; + else if ((*arg == '-') && (*(arg + 1) == '-') && (*(arg + 2) == 0)) + dashed = true; + else if (((*arg == '-') || (*arg == '+')) && (*(arg + 1) != 0)) + if (*arg == *(arg + 1)) + { + if (dontget > 0) + dontget--; + else if (args_optmap_contains(arg) == false) /* TODO */ + { + if (++args_unrecognised_count <= 5) + fprintf(args_out, "%s: warning: unrecognised option %s\n", args_program, arg); + rc = false; + } + else + { + long type = args_optmap_get_type(arg); /* TODO */ + long eq = 0; + if (type != ARGUMENTLESS) + while (*(arg + eq) && (*(arg + eq) != '=')) + eq++; + if (type == ARGUMENTLESS) + { + *(optqueue + optptr++) = arg; + *(argqueue + argptr++) = null; + } + else if (*(arg + eq) == '=') + { + char* arg_opt = (char*)malloc((eq + 1) * sizeof(char)); + long i; + for (i = 0; i < eq; i++) + *(arg_opt + i) = *(arg + i); + *(arg_opt + eq) = 0; + if (args_optmap_contains(arg_opt) && ((type = args_optmap_get_type(arg_opt)) >= ARGUMENTED)) + { + *(optqueue + optptr++) = arg_opt; + *(argqueue + argptr++) = arg + eq + 1; + *(freequeue + freeptr++) = arg_opt; + if (type == VARIADIC) + dashed = true; + } + else + { + if (++args_unrecognised_count <= 5) + fprintf(args_out, "%s: warning: unrecognised option %s\n", args_program, arg); + rc = false; + free(arg_opts); + } + } + else if (type == ARGUMENTED) + { + *(optqueue + optptr++) = arg; + get++; + } + else + { + *(optqueue + optptr++) = arg; + *(argqueue + argptr++) = null; + dashed = true; + } + } + } + else + { + char sign = *arg; + long i = 1; + while (*(arg + i)) + { + char* narg = (char*)malloc(3 * sizeof(char)); + *(narg + 0) = sign; + *(narg + 1) = *(arg + i); + *(narg + 2) = 0; + i++; + if (args_optmap_contains(narg)) + { + long type = args_optmap_get_type(narg); + *(freequeue + freeptr++) = narg; + *(optqueue + optptr++) = narg; + if (type == ARGUMENTLESS) + *(argqueue + argptr++) = null; + else if (type == ARGUMENTED) + { + if (*(arg + i)) + *(argqueue + argptr++) = arg + i; + else + get++; + break; + } + else + { + *(argqueue + argptr++) = *(arg + i) ? (arg + i) : null; + dashed = true; + break; + } + } + else + { + if (++args_unrecognised_count <= 5) + fprintf(args_out, "%s: warning: unrecognised option %s\n", args_program, arg); + rc = false; + free(narg); + } + } + } + else + { + if (++args_unrecognised_count <= 5) + fprintf(args_out, "%s: warning: unrecognised option %s\n", args_program, arg); + rc = false; + } + } + + { + long i = 0; + while (i < optptr) + { + char* opt = args_optmap_get_std(*(optqueue + i)); + char* arg = argptr > i ? *(optqueue + i) : null; + i++; + if ((args_optmap_contains(opt) == false) || (args_opts_has(opt)/*TODO*/ == false)) + args_opts_new(opt); /*TODO*/ + if (argptr >= i) + args_opts_append(opt, arg); /*TODO*/ + } + } + + { + long i = 0, j = 0, n = args_get_options_count(); + for (; i < n; i++) + if (args_options_get_type(i) == VARIADIC) + { + char* std = args_options_get_standard(i); /*TODO*/ + if (args_opts_has(std)) + { + if (*(args_opts_get(std)) == null) + args_opts_clear(std); /*TODO*/ + for (j = 0; j < args_files_count; j++) + args_opts_append(std, *(args_files + j)); + args_files_count = 0; + break; + } + } + } + + for (freeptr -= 1; freeptr >= 0; freeptr--) + free(*(freequeue + freeptr)); + + free(argqueue); + free(optqueue); + free(freequeue); + + /* TODO ' '.join(self.files) if len(self.files) > 0 else None */ + + if (args_unrecognsed_count > 5) + { + long more = args_unrecognsed_count - 5; + char* option_s = more == 1 ? "option" : "options"; + fprintf(args_out, "%s: warning: %i more unrecognised %s\n", args_program, more, option_s); + } + + return rc; } |