#include "color.h"
#include "utf8.h"
+static int disallow_abbreviated_options;
+
#define OPT_SHORT 1
#define OPT_UNSET 2
return error("BUG: switch '%c' %s", opt->short_name, reason);
}
-static int get_arg(struct parse_opt_ctx_t *p, const struct option *opt,
- int flags, const char **arg)
+static enum parse_opt_result get_arg(struct parse_opt_ctx_t *p,
+ const struct option *opt,
+ int flags, const char **arg)
{
if (p->opt) {
*arg = p->opt;
p->argc--;
*arg = *++p->argv;
} else
- return opterror(opt, "requires a value", flags);
+ return error(_("%s requires a value"), optname(opt, flags));
return 0;
}
*file = prefix_filename(prefix, *file);
}
-static int opt_command_mode_error(const struct option *opt,
- const struct option *all_opts,
- int flags)
+static enum parse_opt_result opt_command_mode_error(
+ const struct option *opt,
+ const struct option *all_opts,
+ int flags)
{
const struct option *that;
- struct strbuf message = STRBUF_INIT;
struct strbuf that_name = STRBUF_INIT;
/*
strbuf_addf(&that_name, "--%s", that->long_name);
else
strbuf_addf(&that_name, "-%c", that->short_name);
- strbuf_addf(&message, ": incompatible with %s", that_name.buf);
+ error(_("%s is incompatible with %s"),
+ optname(opt, flags), that_name.buf);
strbuf_release(&that_name);
- opterror(opt, message.buf, flags);
- strbuf_release(&message);
- return -1;
+ return PARSE_OPT_ERROR;
}
- return opterror(opt, ": incompatible with something else", flags);
+ return error(_("%s : incompatible with something else"),
+ optname(opt, flags));
}
-static int get_value(struct parse_opt_ctx_t *p,
- const struct option *opt,
- const struct option *all_opts,
- int flags)
+static enum parse_opt_result get_value(struct parse_opt_ctx_t *p,
+ const struct option *opt,
+ const struct option *all_opts,
+ int flags)
{
const char *s, *arg;
const int unset = flags & OPT_UNSET;
int err;
if (unset && p->opt)
- return opterror(opt, "takes no value", flags);
+ return error(_("%s takes no value"), optname(opt, flags));
if (unset && (opt->flags & PARSE_OPT_NONEG))
- return opterror(opt, "isn't available", flags);
+ return error(_("%s isn't available"), optname(opt, flags));
if (!(flags & OPT_SHORT) && p->opt && (opt->flags & PARSE_OPT_NOARG))
- return opterror(opt, "takes no value", flags);
+ return error(_("%s takes no value"), optname(opt, flags));
switch (opt->type) {
case OPTION_LOWLEVEL_CALLBACK:
- return (*(parse_opt_ll_cb *)opt->callback)(p, opt, unset);
+ return opt->ll_callback(p, opt, NULL, unset);
case OPTION_BIT:
if (unset)
*(int *)opt->value &= ~opt->defval;
return 0;
+ case OPTION_BITOP:
+ if (unset)
+ BUG("BITOP can't have unset form");
+ *(int *)opt->value &= ~opt->extra;
+ *(int *)opt->value |= opt->defval;
+ return 0;
+
case OPTION_COUNTUP:
if (*(int *)opt->value < 0)
*(int *)opt->value = 0;
return err;
case OPTION_CALLBACK:
+ {
+ const char *p_arg = NULL;
+ int p_unset;
+
if (unset)
- return (*opt->callback)(opt, NULL, 1) ? (-1) : 0;
- if (opt->flags & PARSE_OPT_NOARG)
- return (*opt->callback)(opt, NULL, 0) ? (-1) : 0;
- if (opt->flags & PARSE_OPT_OPTARG && !p->opt)
- return (*opt->callback)(opt, NULL, 0) ? (-1) : 0;
- if (get_arg(p, opt, flags, &arg))
+ p_unset = 1;
+ else if (opt->flags & PARSE_OPT_NOARG)
+ p_unset = 0;
+ else if (opt->flags & PARSE_OPT_OPTARG && !p->opt)
+ p_unset = 0;
+ else if (get_arg(p, opt, flags, &arg))
return -1;
- return (*opt->callback)(opt, arg, 0) ? (-1) : 0;
-
+ else {
+ p_unset = 0;
+ p_arg = arg;
+ }
+ if (opt->callback)
+ return (*opt->callback)(opt, p_arg, p_unset) ? (-1) : 0;
+ else
+ return (*opt->ll_callback)(p, opt, p_arg, p_unset);
+ }
case OPTION_INTEGER:
if (unset) {
*(int *)opt->value = 0;
}
if (get_arg(p, opt, flags, &arg))
return -1;
+ if (!*arg)
+ return error(_("%s expects a numerical value"),
+ optname(opt, flags));
*(int *)opt->value = strtol(arg, (char **)&s, 10);
if (*s)
- return opterror(opt, "expects a numerical value", flags);
+ return error(_("%s expects a numerical value"),
+ optname(opt, flags));
return 0;
case OPTION_MAGNITUDE:
if (get_arg(p, opt, flags, &arg))
return -1;
if (!git_parse_ulong(arg, opt->value))
- return opterror(opt,
- "expects a non-negative integer value with an optional k/m/g suffix",
- flags);
+ return error(_("%s expects a non-negative integer value"
+ " with an optional k/m/g suffix"),
+ optname(opt, flags));
return 0;
default:
- die("should not happen, someone must be hit on the forehead");
+ BUG("opt->type %d should not happen", opt->type);
}
}
-static int parse_short_opt(struct parse_opt_ctx_t *p, const struct option *options)
+static enum parse_opt_result parse_short_opt(struct parse_opt_ctx_t *p,
+ const struct option *options)
{
const struct option *all_opts = options;
const struct option *numopt = NULL;
len++;
arg = xmemdupz(p->opt, len);
p->opt = p->opt[len] ? p->opt + len : NULL;
- rc = (*numopt->callback)(numopt, arg, 0) ? (-1) : 0;
+ if (numopt->callback)
+ rc = (*numopt->callback)(numopt, arg, 0) ? (-1) : 0;
+ else
+ rc = (*numopt->ll_callback)(p, numopt, arg, 0);
free(arg);
return rc;
}
- return -2;
+ return PARSE_OPT_UNKNOWN;
+}
+
+static int has_string(const char *it, const char **array)
+{
+ while (*array)
+ if (!strcmp(it, *(array++)))
+ return 1;
+ return 0;
+}
+
+static int is_alias(struct parse_opt_ctx_t *ctx,
+ const struct option *one_opt,
+ const struct option *another_opt)
+{
+ const char **group;
+
+ if (!ctx->alias_groups)
+ return 0;
+
+ if (!one_opt->long_name || !another_opt->long_name)
+ return 0;
+
+ for (group = ctx->alias_groups; *group; group += 3) {
+ /* it and other are from the same family? */
+ if (has_string(one_opt->long_name, group) &&
+ has_string(another_opt->long_name, group))
+ return 1;
+ }
+ return 0;
}
-static int parse_long_opt(struct parse_opt_ctx_t *p, const char *arg,
- const struct option *options)
+static enum parse_opt_result parse_long_opt(
+ struct parse_opt_ctx_t *p, const char *arg,
+ const struct option *options)
{
const struct option *all_opts = options;
const char *arg_end = strchrnul(arg, '=');
if (!rest)
continue;
if (*rest == '=')
- return opterror(options, "takes no value", flags);
+ return error(_("%s takes no value"),
+ optname(options, flags));
if (*rest)
continue;
+ if (options->value)
+ *(int *)options->value = options->defval;
p->out[p->cpidx++] = arg - 2;
- return 0;
+ return PARSE_OPT_DONE;
}
if (!rest) {
/* abbreviated? */
- if (!strncmp(long_name, arg, arg_end - arg)) {
+ if (!(p->flags & PARSE_OPT_KEEP_UNKNOWN) &&
+ !strncmp(long_name, arg, arg_end - arg)) {
is_abbreviated:
- if (abbrev_option) {
+ if (abbrev_option &&
+ !is_alias(p, abbrev_option, options)) {
/*
* If this is abbreviated, it is
* ambiguous. So when there is no
return get_value(p, options, all_opts, flags ^ opt_flags);
}
+ if (disallow_abbreviated_options && (ambiguous_option || abbrev_option))
+ die("disallowed abbreviated or ambiguous option '%.*s'",
+ (int)(arg_end - arg), arg);
+
if (ambiguous_option) {
- error("Ambiguous option: %s "
- "(could be --%s%s or --%s%s)",
+ error(_("ambiguous option: %s "
+ "(could be --%s%s or --%s%s)"),
arg,
(ambiguous_flags & OPT_UNSET) ? "no-" : "",
ambiguous_option->long_name,
(abbrev_flags & OPT_UNSET) ? "no-" : "",
abbrev_option->long_name);
- return -3;
+ return PARSE_OPT_HELP;
}
if (abbrev_option)
return get_value(p, abbrev_option, all_opts, abbrev_flags);
- return -2;
+ return PARSE_OPT_UNKNOWN;
}
static int parse_nodash_opt(struct parse_opt_ctx_t *p, const char *arg,
return;
if (starts_with(arg, "no-")) {
- error ("did you mean `--%s` (with two dashes ?)", arg);
+ error(_("did you mean `--%s` (with two dashes ?)"), arg);
exit(129);
}
if (!options->long_name)
continue;
if (starts_with(options->long_name, arg)) {
- error ("did you mean `--%s` (with two dashes ?)", arg);
+ error(_("did you mean `--%s` (with two dashes ?)"), arg);
exit(129);
}
}
if ((opts->flags & PARSE_OPT_OPTARG) ||
!(opts->flags & PARSE_OPT_NOARG))
err |= optbug(opts, "should not accept an argument");
+ break;
+ case OPTION_CALLBACK:
+ if (!opts->callback && !opts->ll_callback)
+ BUG("OPTION_CALLBACK needs one callback");
+ if (opts->callback && opts->ll_callback)
+ BUG("OPTION_CALLBACK can't have two callbacks");
+ break;
+ case OPTION_LOWLEVEL_CALLBACK:
+ if (!opts->ll_callback)
+ BUG("OPTION_LOWLEVEL_CALLBACK needs a callback");
+ if (opts->callback)
+ BUG("OPTION_LOWLEVEL_CALLBACK needs no high level callback");
+ break;
+ case OPTION_ALIAS:
+ BUG("OPT_ALIAS() should not remain at this point. "
+ "Are you using parse_options_step() directly?\n"
+ "That case is not supported yet.");
default:
; /* ok. (usually accepts an argument) */
}
exit(128);
}
-void parse_options_start(struct parse_opt_ctx_t *ctx,
- int argc, const char **argv, const char *prefix,
- const struct option *options, int flags)
+static void parse_options_start_1(struct parse_opt_ctx_t *ctx,
+ int argc, const char **argv, const char *prefix,
+ const struct option *options, int flags)
{
- memset(ctx, 0, sizeof(*ctx));
- ctx->argc = ctx->total = argc - 1;
- ctx->argv = argv + 1;
- ctx->out = argv;
+ ctx->argc = argc;
+ ctx->argv = argv;
+ if (!(flags & PARSE_OPT_ONE_SHOT)) {
+ ctx->argc--;
+ ctx->argv++;
+ }
+ ctx->total = ctx->argc;
+ ctx->out = argv;
ctx->prefix = prefix;
ctx->cpidx = ((flags & PARSE_OPT_KEEP_ARGV0) != 0);
ctx->flags = flags;
if ((flags & PARSE_OPT_KEEP_UNKNOWN) &&
- (flags & PARSE_OPT_STOP_AT_NON_OPTION))
- die("STOP_AT_NON_OPTION and KEEP_UNKNOWN don't go together");
+ (flags & PARSE_OPT_STOP_AT_NON_OPTION) &&
+ !(flags & PARSE_OPT_ONE_SHOT))
+ BUG("STOP_AT_NON_OPTION and KEEP_UNKNOWN don't go together");
+ if ((flags & PARSE_OPT_ONE_SHOT) &&
+ (flags & PARSE_OPT_KEEP_ARGV0))
+ BUG("Can't keep argv0 if you don't have it");
parse_options_check(options);
}
+void parse_options_start(struct parse_opt_ctx_t *ctx,
+ int argc, const char **argv, const char *prefix,
+ const struct option *options, int flags)
+{
+ memset(ctx, 0, sizeof(*ctx));
+ parse_options_start_1(ctx, argc, argv, prefix, options, flags);
+}
+
static void show_negated_gitcomp(const struct option *opts, int nr_noopts)
{
int printed_dashdash = 0;
}
}
-static int show_gitcomp(struct parse_opt_ctx_t *ctx,
- const struct option *opts)
+static int show_gitcomp(const struct option *opts)
{
const struct option *original_opts = opts;
int nr_noopts = 0;
show_negated_gitcomp(original_opts, -1);
show_negated_gitcomp(original_opts, nr_noopts);
fputc('\n', stdout);
- exit(0);
+ return PARSE_OPT_COMPLETE;
+}
+
+/*
+ * Scan and may produce a new option[] array, which should be used
+ * instead of the original 'options'.
+ *
+ * Right now this is only used to preprocess and substitute
+ * OPTION_ALIAS.
+ */
+static struct option *preprocess_options(struct parse_opt_ctx_t *ctx,
+ const struct option *options)
+{
+ struct option *newopt;
+ int i, nr, alias;
+ int nr_aliases = 0;
+
+ for (nr = 0; options[nr].type != OPTION_END; nr++) {
+ if (options[nr].type == OPTION_ALIAS)
+ nr_aliases++;
+ }
+
+ if (!nr_aliases)
+ return NULL;
+
+ ALLOC_ARRAY(newopt, nr + 1);
+ COPY_ARRAY(newopt, options, nr + 1);
+
+ /* each alias has two string pointers and NULL */
+ CALLOC_ARRAY(ctx->alias_groups, 3 * (nr_aliases + 1));
+
+ for (alias = 0, i = 0; i < nr; i++) {
+ int short_name;
+ const char *long_name;
+ const char *source;
+ int j;
+
+ if (newopt[i].type != OPTION_ALIAS)
+ continue;
+
+ short_name = newopt[i].short_name;
+ long_name = newopt[i].long_name;
+ source = newopt[i].value;
+
+ if (!long_name)
+ BUG("An alias must have long option name");
+
+ for (j = 0; j < nr; j++) {
+ const char *name = options[j].long_name;
+
+ if (!name || strcmp(name, source))
+ continue;
+
+ if (options[j].type == OPTION_ALIAS)
+ BUG("No please. Nested aliases are not supported.");
+
+ /*
+ * NEEDSWORK: this is a bit inconsistent because
+ * usage_with_options() on the original options[] will print
+ * help string as "alias of %s" but "git cmd -h" will
+ * print the original help string.
+ */
+ memcpy(newopt + i, options + j, sizeof(*newopt));
+ newopt[i].short_name = short_name;
+ newopt[i].long_name = long_name;
+ break;
+ }
+
+ if (j == nr)
+ BUG("could not find source option '%s' of alias '%s'",
+ source, newopt[i].long_name);
+ ctx->alias_groups[alias * 3 + 0] = newopt[i].long_name;
+ ctx->alias_groups[alias * 3 + 1] = options[j].long_name;
+ ctx->alias_groups[alias * 3 + 2] = NULL;
+ alias++;
+ }
+
+ return newopt;
}
static int usage_with_options_internal(struct parse_opt_ctx_t *,
for (; ctx->argc; ctx->argc--, ctx->argv++) {
const char *arg = ctx->argv[0];
+ if (ctx->flags & PARSE_OPT_ONE_SHOT &&
+ ctx->argc != ctx->total)
+ break;
+
if (*arg != '-' || !arg[1]) {
if (parse_nodash_opt(ctx, arg, options) == 0)
continue;
/* lone --git-completion-helper is asked by git-completion.bash */
if (ctx->total == 1 && !strcmp(arg + 1, "-git-completion-helper"))
- return show_gitcomp(ctx, options);
+ return show_gitcomp(options);
if (arg[1] != '-') {
ctx->opt = arg + 1;
switch (parse_short_opt(ctx, options)) {
- case -1:
+ case PARSE_OPT_ERROR:
return PARSE_OPT_ERROR;
- case -2:
+ case PARSE_OPT_UNKNOWN:
if (ctx->opt)
check_typos(arg + 1, options);
if (internal_help && *ctx->opt == 'h')
goto show_usage;
goto unknown;
+ case PARSE_OPT_NON_OPTION:
+ case PARSE_OPT_HELP:
+ case PARSE_OPT_COMPLETE:
+ BUG("parse_short_opt() cannot return these");
+ case PARSE_OPT_DONE:
+ break;
}
if (ctx->opt)
check_typos(arg + 1, options);
while (ctx->opt) {
switch (parse_short_opt(ctx, options)) {
- case -1:
+ case PARSE_OPT_ERROR:
return PARSE_OPT_ERROR;
- case -2:
+ case PARSE_OPT_UNKNOWN:
if (internal_help && *ctx->opt == 'h')
goto show_usage;
ctx->argv[0] = xstrdup(ctx->opt - 1);
*(char *)ctx->argv[0] = '-';
goto unknown;
+ case PARSE_OPT_NON_OPTION:
+ case PARSE_OPT_COMPLETE:
+ case PARSE_OPT_HELP:
+ BUG("parse_short_opt() cannot return these");
+ case PARSE_OPT_DONE:
+ break;
}
}
continue;
}
- if (!arg[2]) { /* "--" */
+ if (!arg[2] /* "--" */ ||
+ !strcmp(arg + 2, "end-of-options")) {
if (!(ctx->flags & PARSE_OPT_KEEP_DASHDASH)) {
ctx->argc--;
ctx->argv++;
if (internal_help && !strcmp(arg + 2, "help"))
goto show_usage;
switch (parse_long_opt(ctx, arg + 2, options)) {
- case -1:
+ case PARSE_OPT_ERROR:
return PARSE_OPT_ERROR;
- case -2:
+ case PARSE_OPT_UNKNOWN:
goto unknown;
- case -3:
+ case PARSE_OPT_HELP:
goto show_usage;
+ case PARSE_OPT_NON_OPTION:
+ case PARSE_OPT_COMPLETE:
+ BUG("parse_long_opt() cannot return these");
+ case PARSE_OPT_DONE:
+ break;
}
continue;
unknown:
+ if (ctx->flags & PARSE_OPT_ONE_SHOT)
+ break;
if (!(ctx->flags & PARSE_OPT_KEEP_UNKNOWN))
return PARSE_OPT_UNKNOWN;
ctx->out[ctx->cpidx++] = ctx->argv[0];
int parse_options_end(struct parse_opt_ctx_t *ctx)
{
+ if (ctx->flags & PARSE_OPT_ONE_SHOT)
+ return ctx->total - ctx->argc;
+
MOVE_ARRAY(ctx->out + ctx->cpidx, ctx->argv, ctx->argc);
ctx->out[ctx->cpidx + ctx->argc] = NULL;
return ctx->cpidx + ctx->argc;
int flags)
{
struct parse_opt_ctx_t ctx;
+ struct option *real_options;
+
+ disallow_abbreviated_options =
+ git_env_bool("GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS", 0);
- parse_options_start(&ctx, argc, argv, prefix, options, flags);
+ memset(&ctx, 0, sizeof(ctx));
+ real_options = preprocess_options(&ctx, options);
+ if (real_options)
+ options = real_options;
+ parse_options_start_1(&ctx, argc, argv, prefix, options, flags);
switch (parse_options_step(&ctx, options, usagestr)) {
case PARSE_OPT_HELP:
case PARSE_OPT_ERROR:
exit(129);
+ case PARSE_OPT_COMPLETE:
+ exit(0);
case PARSE_OPT_NON_OPTION:
case PARSE_OPT_DONE:
break;
default: /* PARSE_OPT_UNKNOWN */
if (ctx.argv[0][1] == '-') {
- error("unknown option `%s'", ctx.argv[0] + 2);
+ error(_("unknown option `%s'"), ctx.argv[0] + 2);
} else if (isascii(*ctx.opt)) {
- error("unknown switch `%c'", *ctx.opt);
+ error(_("unknown switch `%c'"), *ctx.opt);
} else {
- error("unknown non-ascii option in string: `%s'",
+ error(_("unknown non-ascii option in string: `%s'"),
ctx.argv[0]);
}
usage_with_options(usagestr, options);
}
precompose_argv(argc, argv);
+ free(real_options);
+ free(ctx.alias_groups);
return parse_options_end(&ctx);
}
fputc('\n', outfile);
pad = USAGE_OPTS_WIDTH;
}
+ if (opts->type == OPTION_ALIAS) {
+ fprintf(outfile, "%*s", pad + USAGE_GAP, "");
+ fprintf_ln(outfile, _("alias of --%s"),
+ (const char *)opts->value);
+ continue;
+ }
fprintf(outfile, "%*s%s\n", pad + USAGE_GAP, "", _(opts->help));
}
fputc('\n', outfile);
usage_with_options(usagestr, options);
}
-#undef opterror
-int opterror(const struct option *opt, const char *reason, int flags)
+const char *optname(const struct option *opt, int flags)
{
+ static struct strbuf sb = STRBUF_INIT;
+
+ strbuf_reset(&sb);
if (flags & OPT_SHORT)
- return error("switch `%c' %s", opt->short_name, reason);
- if (flags & OPT_UNSET)
- return error("option `no-%s' %s", opt->long_name, reason);
- return error("option `%s' %s", opt->long_name, reason);
+ strbuf_addf(&sb, "switch `%c'", opt->short_name);
+ else if (flags & OPT_UNSET)
+ strbuf_addf(&sb, "option `no-%s'", opt->long_name);
+ else
+ strbuf_addf(&sb, "option `%s'", opt->long_name);
+
+ return sb.buf;
}
projects / thirdparty / git.git / blobdiff