#include "parse-options.h"
#include "cache.h"
#include "commit.h"
+#include "color.h"
+
+static int parse_options_usage(struct parse_opt_ctx_t *ctx,
+ const char * const *usagestr,
+ const struct option *opts, int err);
#define OPT_SHORT 1
#define OPT_UNSET 2
return 0;
}
+static void fix_filename(const char *prefix, const char **file)
+{
+ if (!file || !*file || !prefix || is_absolute_path(*file)
+ || !strcmp("-", *file))
+ return;
+ *file = xstrdup(prefix_filename(prefix, strlen(prefix), *file));
+}
+
static int get_value(struct parse_opt_ctx_t *p,
const struct option *opt, 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 get_arg(p, opt, flags, (const char **)opt->value);
return 0;
+ case OPTION_FILENAME:
+ err = 0;
+ if (unset)
+ *(const char **)opt->value = NULL;
+ else if (opt->flags & PARSE_OPT_OPTARG && !p->opt)
+ *(const char **)opt->value = (const char *)opt->defval;
+ else
+ err = get_arg(p, opt, flags, (const char **)opt->value);
+
+ if (!err)
+ fix_filename(p->prefix, (const char **)opt->value);
+ return err;
+
case OPTION_CALLBACK:
if (unset)
return (*opt->callback)(opt, NULL, 1) ? (-1) : 0;
abbrev_flags = flags;
continue;
}
+ /* negation allowed? */
+ if (options->flags & PARSE_OPT_NONEG)
+ continue;
/* negated and abbreviated very much? */
if (!prefixcmp("no-", arg)) {
flags |= OPT_UNSET;
}
}
+static void parse_options_check(const struct option *opts)
+{
+ int err = 0;
+
+ for (; opts->type != OPTION_END; opts++) {
+ if ((opts->flags & PARSE_OPT_LASTARG_DEFAULT) &&
+ (opts->flags & PARSE_OPT_OPTARG)) {
+ if (opts->long_name) {
+ error("`--%s` uses incompatible flags "
+ "LASTARG_DEFAULT and OPTARG", opts->long_name);
+ } else {
+ error("`-%c` uses incompatible flags "
+ "LASTARG_DEFAULT and OPTARG", opts->short_name);
+ }
+ err |= 1;
+ }
+ }
+
+ if (err)
+ exit(129);
+}
+
void parse_options_start(struct parse_opt_ctx_t *ctx,
- int argc, const char **argv, int flags)
+ int argc, const char **argv, const char *prefix,
+ int flags)
{
memset(ctx, 0, sizeof(*ctx));
ctx->argc = argc - 1;
ctx->argv = argv + 1;
ctx->out = argv;
+ ctx->prefix = prefix;
ctx->cpidx = ((flags & PARSE_OPT_KEEP_ARGV0) != 0);
ctx->flags = flags;
if ((flags & PARSE_OPT_KEEP_UNKNOWN) &&
die("STOP_AT_NON_OPTION and KEEP_UNKNOWN don't go together");
}
-static int usage_with_options_internal(const char * const *,
- const struct option *, int);
+static int usage_with_options_internal(struct parse_opt_ctx_t *,
+ const char * const *,
+ const struct option *, int, int);
int parse_options_step(struct parse_opt_ctx_t *ctx,
const struct option *options,
{
int internal_help = !(ctx->flags & PARSE_OPT_NO_INTERNAL_HELP);
+ parse_options_check(options);
+
/* we must reset ->opt, unknown short option leave it dangling */
ctx->opt = NULL;
if (arg[1] != '-') {
ctx->opt = arg + 1;
if (internal_help && *ctx->opt == 'h')
- return parse_options_usage(usagestr, options);
+ return parse_options_usage(ctx, usagestr, options, 0);
switch (parse_short_opt(ctx, options)) {
case -1:
- return parse_options_usage(usagestr, options);
+ return parse_options_usage(ctx, usagestr, options, 1);
case -2:
goto unknown;
}
check_typos(arg + 1, options);
while (ctx->opt) {
if (internal_help && *ctx->opt == 'h')
- return parse_options_usage(usagestr, options);
+ return parse_options_usage(ctx, usagestr, options, 0);
switch (parse_short_opt(ctx, options)) {
case -1:
- return parse_options_usage(usagestr, options);
+ return parse_options_usage(ctx, usagestr, options, 1);
case -2:
/* fake a short option thing to hide the fact that we may have
* started to parse aggregated stuff
}
if (internal_help && !strcmp(arg + 2, "help-all"))
- return usage_with_options_internal(usagestr, options, 1);
+ return usage_with_options_internal(ctx, usagestr, options, 1, 0);
if (internal_help && !strcmp(arg + 2, "help"))
- return parse_options_usage(usagestr, options);
+ return parse_options_usage(ctx, usagestr, options, 0);
switch (parse_long_opt(ctx, arg + 2, options)) {
case -1:
- return parse_options_usage(usagestr, options);
+ return parse_options_usage(ctx, usagestr, options, 1);
case -2:
goto unknown;
}
return ctx->cpidx + ctx->argc;
}
-int parse_options(int argc, const char **argv, const struct option *options,
- const char * const usagestr[], int flags)
+int parse_options(int argc, const char **argv, const char *prefix,
+ const struct option *options, const char * const usagestr[],
+ int flags)
{
struct parse_opt_ctx_t ctx;
- parse_options_start(&ctx, argc, argv, flags);
+ parse_options_start(&ctx, argc, argv, prefix, flags);
switch (parse_options_step(&ctx, options, usagestr)) {
case PARSE_OPT_HELP:
exit(129);
return parse_options_end(&ctx);
}
+static int usage_argh(const struct option *opts, FILE *outfile)
+{
+ const char *s;
+ int literal = (opts->flags & PARSE_OPT_LITERAL_ARGHELP) || !opts->argh;
+ 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(outfile, s, opts->argh ? opts->argh : "...");
+}
+
#define USAGE_OPTS_WIDTH 24
#define USAGE_GAP 2
-int usage_with_options_internal(const char * const *usagestr,
- const struct option *opts, int full)
+static int usage_with_options_internal(struct parse_opt_ctx_t *ctx,
+ const char * const *usagestr,
+ const struct option *opts, int full, int err)
{
+ FILE *outfile = err ? stderr : stdout;
+
if (!usagestr)
return PARSE_OPT_HELP;
- fprintf(stderr, "usage: %s\n", *usagestr++);
+ if (!err && ctx && ctx->flags & PARSE_OPT_SHELL_EVAL)
+ fprintf(outfile, "cat <<\\EOF\n");
+
+ fprintf(outfile, "usage: %s\n", *usagestr++);
while (*usagestr && **usagestr)
- fprintf(stderr, " or: %s\n", *usagestr++);
+ fprintf(outfile, " or: %s\n", *usagestr++);
while (*usagestr) {
- fprintf(stderr, "%s%s\n",
+ fprintf(outfile, "%s%s\n",
**usagestr ? " " : "",
*usagestr);
usagestr++;
}
if (opts->type != OPTION_GROUP)
- fputc('\n', stderr);
+ fputc('\n', outfile);
for (; opts->type != OPTION_END; opts++) {
size_t pos;
int pad;
if (opts->type == OPTION_GROUP) {
- fputc('\n', stderr);
+ fputc('\n', outfile);
if (*opts->help)
- fprintf(stderr, "%s\n", opts->help);
+ fprintf(outfile, "%s\n", opts->help);
continue;
}
if (!full && (opts->flags & PARSE_OPT_HIDDEN))
continue;
- pos = fprintf(stderr, " ");
- if (opts->short_name) {
+ pos = fprintf(outfile, " ");
+ if (opts->short_name && !(opts->flags & PARSE_OPT_NEGHELP)) {
if (opts->flags & PARSE_OPT_NODASH)
- pos += fprintf(stderr, "%c", opts->short_name);
+ pos += fprintf(outfile, "%c", opts->short_name);
else
- pos += fprintf(stderr, "-%c", opts->short_name);
+ pos += fprintf(outfile, "-%c", opts->short_name);
}
if (opts->long_name && opts->short_name)
- pos += fprintf(stderr, ", ");
+ pos += fprintf(outfile, ", ");
if (opts->long_name)
- pos += fprintf(stderr, "--%s", opts->long_name);
+ pos += fprintf(outfile, "--%s%s",
+ (opts->flags & PARSE_OPT_NEGHELP) ? "no-" : "",
+ opts->long_name);
if (opts->type == OPTION_NUMBER)
- pos += fprintf(stderr, "-NUM");
+ pos += fprintf(outfile, "-NUM");
- switch (opts->type) {
- case OPTION_ARGUMENT:
- break;
- case OPTION_INTEGER:
- if (opts->flags & PARSE_OPT_OPTARG)
- if (opts->long_name)
- pos += fprintf(stderr, "[=<n>]");
- else
- pos += fprintf(stderr, "[<n>]");
- else
- pos += fprintf(stderr, " <n>");
- break;
- case OPTION_CALLBACK:
- if (opts->flags & PARSE_OPT_NOARG)
- 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->flags & PARSE_OPT_OPTARG)
- if (opts->long_name)
- pos += fprintf(stderr, "[=...]");
- else
- pos += fprintf(stderr, "[...]");
- else
- pos += fprintf(stderr, " ...");
- }
- break;
- default: /* OPTION_{BIT,BOOLEAN,NUMBER,SET_INT,SET_PTR} */
- break;
- }
+ if (!(opts->flags & PARSE_OPT_NOARG))
+ pos += usage_argh(opts, outfile);
if (pos <= USAGE_OPTS_WIDTH)
pad = USAGE_OPTS_WIDTH - pos;
else {
- fputc('\n', stderr);
+ fputc('\n', outfile);
pad = USAGE_OPTS_WIDTH;
}
- fprintf(stderr, "%*s%s\n", pad + USAGE_GAP, "", opts->help);
+ fprintf(outfile, "%*s%s\n", pad + USAGE_GAP, "", opts->help);
}
- fputc('\n', stderr);
+ fputc('\n', outfile);
+
+ if (!err && ctx && ctx->flags & PARSE_OPT_SHELL_EVAL)
+ fputs("EOF\n", outfile);
return PARSE_OPT_HELP;
}
void usage_with_options(const char * const *usagestr,
const struct option *opts)
{
- usage_with_options_internal(usagestr, opts, 0);
+ usage_with_options_internal(NULL, usagestr, opts, 0, 1);
exit(129);
}
-int parse_options_usage(const char * const *usagestr,
- const struct option *opts)
+void usage_msg_opt(const char *msg,
+ const char * const *usagestr,
+ const struct option *options)
{
- return usage_with_options_internal(usagestr, opts, 0);
+ fprintf(stderr, "%s\n\n", msg);
+ usage_with_options(usagestr, options);
+}
+
+static int parse_options_usage(struct parse_opt_ctx_t *ctx,
+ const char * const *usagestr,
+ const struct option *opts, int err)
+{
+ return usage_with_options_internal(ctx, usagestr, opts, 0, err);
}
return 0;
}
+int parse_opt_color_flag_cb(const struct option *opt, const char *arg,
+ int unset)
+{
+ int value;
+
+ if (!arg)
+ arg = unset ? "never" : (const char *)opt->defval;
+ value = git_config_colorbool(NULL, arg, -1);
+ if (value < 0)
+ return opterror(opt,
+ "expects \"always\", \"auto\", or \"never\"", 0);
+ *(int *)opt->value = value;
+ return 0;
+}
+
int parse_opt_verbosity_cb(const struct option *opt, const char *arg,
int unset)
{
return 0;
}
-/*
- * This should really be OPTION_FILENAME type as a part of
- * parse_options that take prefix to do this while parsing.
- */
-extern const char *parse_options_fix_filename(const char *prefix, const char *file)
+int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
{
- if (!file || !prefix || is_absolute_path(file) || !strcmp("-", file))
- return file;
- return prefix_filename(prefix, strlen(prefix), file);
+ int *target = opt->value;
+ *target = unset ? 2 : 1;
+ return 0;
}
+int parse_options_concat(struct option *dst, size_t dst_size, struct option *src)
+{
+ int i, j;
+
+ for (i = 0; i < dst_size; i++)
+ if (dst[i].type == OPTION_END)
+ break;
+ for (j = 0; i < dst_size; i++, j++) {
+ dst[i] = src[j];
+ if (src[j].type == OPTION_END)
+ return 0;
+ }
+ return -1;
+}