Merge branch 'sb/show-branch-parse-options' into sb/opt-filename

diff --git a/parse-options.c b/parse-options.c
index aaa218d19158af036c5ea96ebbec4513530cb38e..1d25b94c72b3fc52eabbdc31a61e43e404ddb303 100644 (file)
--- a/parse-options.c
+++ b/parse-options.c
@@ -245,6 +245,25 @@ static int parse_long_opt(struct parse_opt_ctx_t *p, const char *arg,
        return -2;
 }
 
+static int parse_nodash_opt(struct parse_opt_ctx_t *p, const char *arg,
+                           const struct option *options)
+{
+       for (; options->type != OPTION_END; options++) {
+               if (!(options->flags & PARSE_OPT_NODASH))
+                       continue;
+               if ((options->flags & PARSE_OPT_OPTARG) ||
+                   !(options->flags & PARSE_OPT_NOARG))
+                       die("BUG: dashless options don't support arguments");
+               if (!(options->flags & PARSE_OPT_NONEG))
+                       die("BUG: dashless options don't support negation");
+               if (options->long_name)
+                       die("BUG: dashless options can't be long");
+               if (options->short_name == arg[0] && arg[1] == '\0')
+                       return get_value(p, options, OPT_SHORT);
+       }
+       return -2;
+}
+
 static void check_typos(const char *arg, const struct option *options)
 {
        if (strlen(arg) < 3)
@@ -295,6 +314,8 @@ int parse_options_step(struct parse_opt_ctx_t *ctx,
                const char *arg = ctx->argv[0];
 
                if (*arg != '-' || !arg[1]) {
+                       if (parse_nodash_opt(ctx, arg, options) == 0)
+                               continue;
                        if (ctx->flags & PARSE_OPT_STOP_AT_NON_OPTION)
                                break;
                        ctx->out[ctx->cpidx++] = ctx->argv[0];
@@ -391,6 +412,20 @@ int parse_options(int argc, const char **argv, const struct option *options,
        return parse_options_end(&ctx);
 }
 
+static int usage_argh(const struct option *opts)
+{
+       const char *s;
+       int literal = opts->flags & PARSE_OPT_LITERAL_ARGHELP;
+       if (opts->flags & PARSE_OPT_OPTARG)
+               if (opts->long_name)
+                       s = literal ? "[=%s]" : "[=<%s>]";
+               else
+                       s = literal ? "[%s]" : "[<%s>]";
+       else
+               s = literal ? " %s" : " <%s>";
+       return fprintf(stderr, s, opts->argh);
+}
+
 #define USAGE_OPTS_WIDTH 24
 #define USAGE_GAP         2
 
@@ -427,8 +462,12 @@ int usage_with_options_internal(const char * const *usagestr,
                        continue;
 
                pos = fprintf(stderr, "    ");
-               if (opts->short_name)
-                       pos += fprintf(stderr, "-%c", opts->short_name);
+               if (opts->short_name) {
+                       if (opts->flags & PARSE_OPT_NODASH)
+                               pos += fprintf(stderr, "%c", opts->short_name);
+                       else
+                               pos += fprintf(stderr, "-%c", opts->short_name);
+               }
                if (opts->long_name && opts->short_name)
                        pos += fprintf(stderr, ", ");
                if (opts->long_name)
@@ -453,15 +492,9 @@ int usage_with_options_internal(const char * const *usagestr,
                                break;
                        /* FALLTHROUGH */
                case OPTION_STRING:
-                       if (opts->argh) {
-                               if (opts->flags & PARSE_OPT_OPTARG)
-                                       if (opts->long_name)
-                                               pos += fprintf(stderr, "[=<%s>]", opts->argh);
-                                       else
-                                               pos += fprintf(stderr, "[<%s>]", opts->argh);
-                               else
-                                       pos += fprintf(stderr, " <%s>", opts->argh);
-                       } else {
+                       if (opts->argh)
+                               pos += usage_argh(opts);
+                       else {
                                if (opts->flags & PARSE_OPT_OPTARG)
                                        if (opts->long_name)
                                                pos += fprintf(stderr, "[=...]");