diff options
author | Junio C Hamano <gitster@pobox.com> | 2009-05-23 01:38:32 -0700 |
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committer | Junio C Hamano <gitster@pobox.com> | 2009-05-23 01:38:32 -0700 |
commit | 104d3794481c83f8db00ccf85134fc55c76852f9 (patch) | |
tree | ddd0c863652be1ecade06d66bca1e8eb5fb37409 | |
parent | 9d764f9538f63d654a1147e11920c2bc36b75194 (diff) | |
parent | ff3c7f9a264da41a2cd7b7a28a27f8ad935b81a9 (diff) | |
download | git-104d3794481c83f8db00ccf85134fc55c76852f9.tar.gz git-104d3794481c83f8db00ccf85134fc55c76852f9.tar.xz |
Merge branch 'rs/grep-parseopt'
* rs/grep-parseopt:
grep: make callback functions static
grep: use parseopt
grep: remove global variable builtin_grep
parseopt: add PARSE_OPT_NODASH
parseopt: add OPT_NUMBER_CALLBACK
parseopt: add OPT_NEGBIT
-rw-r--r-- | Documentation/technical/api-parse-options.txt | 12 | ||||
-rw-r--r-- | builtin-grep.c | 418 | ||||
-rw-r--r-- | grep.h | 28 | ||||
-rw-r--r-- | parse-options.c | 63 | ||||
-rw-r--r-- | parse-options.h | 14 | ||||
-rwxr-xr-x | t/t0040-parse-options.sh | 56 | ||||
-rw-r--r-- | test-parse-options.c | 11 |
7 files changed, 350 insertions, 252 deletions
diff --git a/Documentation/technical/api-parse-options.txt b/Documentation/technical/api-parse-options.txt index e30c602f4..b43458eae 100644 --- a/Documentation/technical/api-parse-options.txt +++ b/Documentation/technical/api-parse-options.txt @@ -137,6 +137,10 @@ There are some macros to easily define options: Introduce a boolean option. If used, `int_var` is bitwise-ored with `mask`. +`OPT_NEGBIT(short, long, &int_var, description, mask)`:: + Introduce a boolean option. + If used, `int_var` is bitwise-anded with the inverted `mask`. + `OPT_SET_INT(short, long, &int_var, description, integer)`:: Introduce a boolean option. If used, set `int_var` to `integer`. @@ -166,6 +170,14 @@ There are some macros to easily define options: `OPT_ARGUMENT(long, description)`:: Introduce a long-option argument that will be kept in `argv[]`. +`OPT_NUMBER_CALLBACK(&var, description, func_ptr)`:: + Recognize numerical options like -123 and feed the integer as + if it was an argument to the function given by `func_ptr`. + The result will be put into `var`. There can be only one such + option definition. It cannot be negated and it takes no + arguments. Short options that happen to be digits take + precedence over it. + The last element of the array must be `OPT_END()`. diff --git a/builtin-grep.c b/builtin-grep.c index f88a912ac..5308b346e 100644 --- a/builtin-grep.c +++ b/builtin-grep.c @@ -10,6 +10,7 @@ #include "tag.h" #include "tree-walk.h" #include "builtin.h" +#include "parse-options.h" #include "grep.h" #ifndef NO_EXTERNAL_GREP @@ -20,7 +21,10 @@ #endif #endif -static int builtin_grep; +static char const * const grep_usage[] = { + "git grep [options] [-e] <pattern> [<rev>...] [[--] path...]", + NULL +}; static int grep_config(const char *var, const char *value, void *cb) { @@ -432,7 +436,8 @@ static int external_grep(struct grep_opt *opt, const char **paths, int cached) } #endif -static int grep_cache(struct grep_opt *opt, const char **paths, int cached) +static int grep_cache(struct grep_opt *opt, const char **paths, int cached, + int external_grep_allowed) { int hit = 0; int nr; @@ -444,7 +449,7 @@ static int grep_cache(struct grep_opt *opt, const char **paths, int cached) * we grep through the checked-out files. It tends to * be a lot more optimized */ - if (!cached && !builtin_grep) { + if (!cached && external_grep_allowed) { hit = external_grep(opt, paths, cached); if (hit >= 0) return hit; @@ -560,25 +565,182 @@ static int grep_object(struct grep_opt *opt, const char **paths, die("unable to grep from object of type %s", typename(obj->type)); } -static const char builtin_grep_usage[] = -"git grep <option>* [-e] <pattern> <rev>* [[--] <path>...]"; +static int context_callback(const struct option *opt, const char *arg, + int unset) +{ + struct grep_opt *grep_opt = opt->value; + int value; + const char *endp; + + if (unset) { + grep_opt->pre_context = grep_opt->post_context = 0; + return 0; + } + value = strtol(arg, (char **)&endp, 10); + if (*endp) { + return error("switch `%c' expects a numerical value", + opt->short_name); + } + grep_opt->pre_context = grep_opt->post_context = value; + return 0; +} + +static int file_callback(const struct option *opt, const char *arg, int unset) +{ + struct grep_opt *grep_opt = opt->value; + FILE *patterns; + int lno = 0; + struct strbuf sb; + + patterns = fopen(arg, "r"); + if (!patterns) + die("'%s': %s", arg, strerror(errno)); + while (strbuf_getline(&sb, patterns, '\n') == 0) { + /* ignore empty line like grep does */ + if (sb.len == 0) + continue; + append_grep_pattern(grep_opt, strbuf_detach(&sb, NULL), arg, + ++lno, GREP_PATTERN); + } + fclose(patterns); + strbuf_release(&sb); + return 0; +} + +static int not_callback(const struct option *opt, const char *arg, int unset) +{ + struct grep_opt *grep_opt = opt->value; + append_grep_pattern(grep_opt, "--not", "command line", 0, GREP_NOT); + return 0; +} + +static int and_callback(const struct option *opt, const char *arg, int unset) +{ + struct grep_opt *grep_opt = opt->value; + append_grep_pattern(grep_opt, "--and", "command line", 0, GREP_AND); + return 0; +} + +static int open_callback(const struct option *opt, const char *arg, int unset) +{ + struct grep_opt *grep_opt = opt->value; + append_grep_pattern(grep_opt, "(", "command line", 0, GREP_OPEN_PAREN); + return 0; +} + +static int close_callback(const struct option *opt, const char *arg, int unset) +{ + struct grep_opt *grep_opt = opt->value; + append_grep_pattern(grep_opt, ")", "command line", 0, GREP_CLOSE_PAREN); + return 0; +} -static const char emsg_invalid_context_len[] = -"%s: invalid context length argument"; -static const char emsg_missing_context_len[] = -"missing context length argument"; -static const char emsg_missing_argument[] = -"option requires an argument -%s"; +static int pattern_callback(const struct option *opt, const char *arg, + int unset) +{ + struct grep_opt *grep_opt = opt->value; + append_grep_pattern(grep_opt, arg, "-e option", 0, GREP_PATTERN); + return 0; +} + +static int help_callback(const struct option *opt, const char *arg, int unset) +{ + return -1; +} int cmd_grep(int argc, const char **argv, const char *prefix) { int hit = 0; int cached = 0; + int external_grep_allowed = 1; int seen_dashdash = 0; struct grep_opt opt; struct object_array list = { 0, 0, NULL }; const char **paths = NULL; int i; + int dummy; + struct option options[] = { + OPT_BOOLEAN(0, "cached", &cached, + "search in index instead of in the work tree"), + OPT_GROUP(""), + OPT_BOOLEAN('v', "invert-match", &opt.invert, + "show non-matching lines"), + OPT_BIT('i', "ignore-case", &opt.regflags, + "case insensitive matching", REG_ICASE), + OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp, + "match patterns only at word boundaries"), + OPT_SET_INT('a', "text", &opt.binary, + "process binary files as text", GREP_BINARY_TEXT), + OPT_SET_INT('I', NULL, &opt.binary, + "don't match patterns in binary files", + GREP_BINARY_NOMATCH), + OPT_GROUP(""), + OPT_BIT('E', "extended-regexp", &opt.regflags, + "use extended POSIX regular expressions", REG_EXTENDED), + OPT_NEGBIT('G', "basic-regexp", &opt.regflags, + "use basic POSIX regular expressions (default)", + REG_EXTENDED), + OPT_BOOLEAN('F', "fixed-strings", &opt.fixed, + "interpret patterns as fixed strings"), + OPT_GROUP(""), + OPT_BOOLEAN('n', NULL, &opt.linenum, "show line numbers"), + OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1), + OPT_BIT('H', NULL, &opt.pathname, "show filenames", 1), + OPT_NEGBIT(0, "full-name", &opt.relative, + "show filenames relative to top directory", 1), + OPT_BOOLEAN('l', "files-with-matches", &opt.name_only, + "show only filenames instead of matching lines"), + OPT_BOOLEAN(0, "name-only", &opt.name_only, + "synonym for --files-with-matches"), + OPT_BOOLEAN('L', "files-without-match", + &opt.unmatch_name_only, + "show only the names of files without match"), + OPT_BOOLEAN('z', "null", &opt.null_following_name, + "print NUL after filenames"), + OPT_BOOLEAN('c', "count", &opt.count, + "show the number of matches instead of matching lines"), + OPT_SET_INT(0, "color", &opt.color, "highlight matches", 1), + OPT_GROUP(""), + OPT_CALLBACK('C', NULL, &opt, "n", + "show <n> context lines before and after matches", + context_callback), + OPT_INTEGER('B', NULL, &opt.pre_context, + "show <n> context lines before matches"), + OPT_INTEGER('A', NULL, &opt.post_context, + "show <n> context lines after matches"), + OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM", + context_callback), + OPT_GROUP(""), + OPT_CALLBACK('f', NULL, &opt, "file", + "read patterns from file", file_callback), + { OPTION_CALLBACK, 'e', NULL, &opt, "pattern", + "match <pattern>", PARSE_OPT_NONEG, pattern_callback }, + { OPTION_CALLBACK, 0, "and", &opt, NULL, + "combine patterns specified with -e", + PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback }, + OPT_BOOLEAN(0, "or", &dummy, ""), + { OPTION_CALLBACK, 0, "not", &opt, NULL, "", + PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback }, + { OPTION_CALLBACK, '(', NULL, &opt, NULL, "", + PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, + open_callback }, + { OPTION_CALLBACK, ')', NULL, &opt, NULL, "", + PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH, + close_callback }, + OPT_BOOLEAN(0, "all-match", &opt.all_match, + "show only matches from files that match all patterns"), + OPT_GROUP(""), +#if NO_EXTERNAL_GREP + OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed, + "allow calling of grep(1) (ignored by this build)"), +#else + OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed, + "allow calling of grep(1) (default)"), +#endif + { OPTION_CALLBACK, 0, "help-all", &options, NULL, "show usage", + PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback }, + OPT_END() + }; memset(&opt, 0, sizeof(opt)); opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0; @@ -603,227 +765,21 @@ int cmd_grep(int argc, const char **argv, const char *prefix) * unrecognized non option is the beginning of the refs list * that continues up to the -- (if exists), and then paths. */ - - while (1 < argc) { - const char *arg = argv[1]; - argc--; argv++; - if (!strcmp("--cached", arg)) { - cached = 1; - continue; - } - if (!strcmp("--no-ext-grep", arg)) { - builtin_grep = 1; - continue; - } - if (!strcmp("-a", arg) || - !strcmp("--text", arg)) { - opt.binary = GREP_BINARY_TEXT; - continue; - } - if (!strcmp("-i", arg) || - !strcmp("--ignore-case", arg)) { - opt.regflags |= REG_ICASE; - continue; - } - if (!strcmp("-I", arg)) { - opt.binary = GREP_BINARY_NOMATCH; - continue; - } - if (!strcmp("-v", arg) || - !strcmp("--invert-match", arg)) { - opt.invert = 1; - continue; - } - if (!strcmp("-E", arg) || - !strcmp("--extended-regexp", arg)) { - opt.regflags |= REG_EXTENDED; - continue; - } - if (!strcmp("-F", arg) || - !strcmp("--fixed-strings", arg)) { - opt.fixed = 1; - continue; - } - if (!strcmp("-G", arg) || - !strcmp("--basic-regexp", arg)) { - opt.regflags &= ~REG_EXTENDED; - continue; - } - if (!strcmp("-n", arg)) { - opt.linenum = 1; - continue; - } - if (!strcmp("-h", arg)) { - opt.pathname = 0; - continue; - } - if (!strcmp("-H", arg)) { - opt.pathname = 1; - continue; - } - if (!strcmp("-l", arg) || - !strcmp("--name-only", arg) || - !strcmp("--files-with-matches", arg)) { - opt.name_only = 1; - continue; - } - if (!strcmp("-L", arg) || - !strcmp("--files-without-match", arg)) { - opt.unmatch_name_only = 1; - continue; - } - if (!strcmp("-z", arg) || - !strcmp("--null", arg)) { - opt.null_following_name = 1; - continue; - } - if (!strcmp("-c", arg) || - !strcmp("--count", arg)) { - opt.count = 1; - continue; - } - if (!strcmp("-w", arg) || - !strcmp("--word-regexp", arg)) { - opt.word_regexp = 1; - continue; - } - if (!prefixcmp(arg, "-A") || - !prefixcmp(arg, "-B") || - !prefixcmp(arg, "-C") || - (arg[0] == '-' && '1' <= arg[1] && arg[1] <= '9')) { - unsigned num; - const char *scan; - switch (arg[1]) { - case 'A': case 'B': case 'C': - if (!arg[2]) { - if (argc <= 1) - die(emsg_missing_context_len); - scan = *++argv; - argc--; - } - else - scan = arg + 2; - break; - default: - scan = arg + 1; - break; - } - if (strtoul_ui(scan, 10, &num)) - die(emsg_invalid_context_len, scan); - switch (arg[1]) { - case 'A': - opt.post_context = num; - break; - default: - case 'C': - opt.post_context = num; - case 'B': - opt.pre_context = num; - break; - } - continue; - } - if (!strcmp("-f", arg)) { - FILE *patterns; - int lno = 0; - char buf[1024]; - if (argc <= 1) - die(emsg_missing_argument, arg); - patterns = fopen(argv[1], "r"); - if (!patterns) - die("'%s': %s", argv[1], strerror(errno)); - while (fgets(buf, sizeof(buf), patterns)) { - int len = strlen(buf); - if (len && buf[len-1] == '\n') - buf[len-1] = 0; - /* ignore empty line like grep does */ - if (!buf[0]) - continue; - append_grep_pattern(&opt, xstrdup(buf), - argv[1], ++lno, - GREP_PATTERN); - } - fclose(patterns); - argv++; - argc--; - continue; - } - if (!strcmp("--not", arg)) { - append_grep_pattern(&opt, arg, "command line", 0, - GREP_NOT); - continue; - } - if (!strcmp("--and", arg)) { - append_grep_pattern(&opt, arg, "command line", 0, - GREP_AND); - continue; - } - if (!strcmp("--or", arg)) - continue; /* no-op */ - if (!strcmp("(", arg)) { - append_grep_pattern(&opt, arg, "command line", 0, - GREP_OPEN_PAREN); - continue; - } - if (!strcmp(")", arg)) { - append_grep_pattern(&opt, arg, "command line", 0, - GREP_CLOSE_PAREN); - continue; - } - if (!strcmp("--all-match", arg)) { - opt.all_match = 1; - continue; - } - if (!strcmp("-e", arg)) { - if (1 < argc) { - append_grep_pattern(&opt, argv[1], - "-e option", 0, - GREP_PATTERN); - argv++; - argc--; - continue; - } - die(emsg_missing_argument, arg); - } - if (!strcmp("--full-name", arg)) { - opt.relative = 0; - continue; - } - if (!strcmp("--color", arg)) { - opt.color = 1; - continue; - } - if (!strcmp("--no-color", arg)) { - opt.color = 0; - continue; - } - if (!strcmp("--", arg)) { - /* later processing wants to have this at argv[1] */ - argv--; - argc++; - break; - } - if (*arg == '-') - usage(builtin_grep_usage); - - /* First unrecognized non-option token */ - if (!opt.pattern_list) { - append_grep_pattern(&opt, arg, "command line", 0, - GREP_PATTERN); - break; - } - else { - /* We are looking at the first path or rev; - * it is found at argv[1] after leaving the - * loop. - */ - argc++; argv--; - break; - } + argc = parse_options(argc, argv, options, grep_usage, + PARSE_OPT_KEEP_DASHDASH | + PARSE_OPT_STOP_AT_NON_OPTION | + PARSE_OPT_NO_INTERNAL_HELP); + + /* First unrecognized non-option token */ + if (argc > 0 && !opt.pattern_list) { + append_grep_pattern(&opt, argv[0], "command line", 0, + GREP_PATTERN); + argv++; + argc--; } if (opt.color && !opt.color_external) - builtin_grep = 1; + external_grep_allowed = 0; if (!opt.pattern_list) die("no pattern given."); if ((opt.regflags != REG_NEWLINE) && opt.fixed) @@ -831,7 +787,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) compile_grep_patterns(&opt); /* Check revs and then paths */ - for (i = 1; i < argc; i++) { + for (i = 0; i < argc; i++) { const char *arg = argv[i]; unsigned char sha1[20]; /* Is it a rev? */ @@ -874,7 +830,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) if (!list.nr) { if (!cached) setup_work_tree(); - return !grep_cache(&opt, paths, cached); + return !grep_cache(&opt, paths, cached, external_grep_allowed); } if (cached) @@ -61,23 +61,23 @@ struct grep_opt { struct grep_expr *pattern_expression; int prefix_length; regex_t regexp; - unsigned linenum:1; - unsigned invert:1; - unsigned status_only:1; - unsigned name_only:1; - unsigned unmatch_name_only:1; - unsigned count:1; - unsigned word_regexp:1; - unsigned fixed:1; - unsigned all_match:1; + int linenum; + int invert; + int status_only; + int name_only; + int unmatch_name_only; + int count; + int word_regexp; + int fixed; + int all_match; #define GREP_BINARY_DEFAULT 0 #define GREP_BINARY_NOMATCH 1 #define GREP_BINARY_TEXT 2 - unsigned binary:2; - unsigned extended:1; - unsigned relative:1; - unsigned pathname:1; - unsigned null_following_name:1; + int binary; + int extended; + int relative; + int pathname; + int null_following_name; int color; char color_match[COLOR_MAXLEN]; const char *color_external; diff --git a/parse-options.c b/parse-options.c index cf71bcffd..c52b8ccf5 100644 --- a/parse-options.c +++ b/parse-options.c @@ -50,6 +50,7 @@ static int get_value(struct parse_opt_ctx_t *p, /* FALLTHROUGH */ case OPTION_BOOLEAN: case OPTION_BIT: + case OPTION_NEGBIT: case OPTION_SET_INT: case OPTION_SET_PTR: return opterror(opt, "takes no value", flags); @@ -66,6 +67,13 @@ static int get_value(struct parse_opt_ctx_t *p, *(int *)opt->value |= opt->defval; return 0; + case OPTION_NEGBIT: + if (unset) + *(int *)opt->value |= opt->defval; + else + *(int *)opt->value &= ~opt->defval; + return 0; + case OPTION_BOOLEAN: *(int *)opt->value = unset ? 0 : *(int *)opt->value + 1; return 0; @@ -121,11 +129,33 @@ static int get_value(struct parse_opt_ctx_t *p, static int parse_short_opt(struct parse_opt_ctx_t *p, const struct option *options) { + const struct option *numopt = NULL; + for (; options->type != OPTION_END; options++) { if (options->short_name == *p->opt) { p->opt = p->opt[1] ? p->opt + 1 : NULL; return get_value(p, options, OPT_SHORT); } + + /* + * Handle the numerical option later, explicit one-digit + * options take precedence over it. + */ + if (options->type == OPTION_NUMBER) + numopt = options; + } + if (numopt && isdigit(*p->opt)) { + size_t len = 1; + char *arg; + int rc; + + while (isdigit(p->opt[len])) + len++; + arg = xmemdupz(p->opt, len); + p->opt = p->opt[len] ? p->opt + len : NULL; + rc = (*numopt->callback)(numopt, arg, 0) ? (-1) : 0; + free(arg); + return rc; } return -2; } @@ -215,6 +245,25 @@ is_abbreviated: 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) @@ -265,6 +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]; @@ -397,12 +448,18 @@ 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) pos += fprintf(stderr, "--%s", opts->long_name); + if (opts->type == OPTION_NUMBER) + pos += fprintf(stderr, "-NUM"); switch (opts->type) { case OPTION_ARGUMENT: @@ -439,7 +496,7 @@ int usage_with_options_internal(const char * const *usagestr, pos += fprintf(stderr, " ..."); } break; - default: /* OPTION_{BIT,BOOLEAN,SET_INT,SET_PTR} */ + default: /* OPTION_{BIT,BOOLEAN,NUMBER,SET_INT,SET_PTR} */ break; } diff --git a/parse-options.h b/parse-options.h index b54eec128..919b9b441 100644 --- a/parse-options.h +++ b/parse-options.h @@ -6,8 +6,10 @@ enum parse_opt_type { OPTION_END, OPTION_ARGUMENT, OPTION_GROUP, + OPTION_NUMBER, /* options with no arguments */ OPTION_BIT, + OPTION_NEGBIT, OPTION_BOOLEAN, /* _INCR would have been a better name */ OPTION_SET_INT, OPTION_SET_PTR, @@ -31,6 +33,7 @@ enum parse_opt_option_flags { PARSE_OPT_NONEG = 4, PARSE_OPT_HIDDEN = 8, PARSE_OPT_LASTARG_DEFAULT = 16, + PARSE_OPT_NODASH = 32, }; struct option; @@ -64,8 +67,11 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset); * PARSE_OPT_OPTARG: says that the argument is optional (not for BOOLEANs) * PARSE_OPT_NOARG: says that this option takes no argument, for CALLBACKs * PARSE_OPT_NONEG: says that this option cannot be negated - * PARSE_OPT_HIDDEN this option is skipped in the default usage, showed in - * the long one. + * PARSE_OPT_HIDDEN: this option is skipped in the default usage, and + * shown only in the full usage. + * PARSE_OPT_LASTARG_DEFAULT: if no argument is given, the default value + * is used. + * PARSE_OPT_NODASH: this option doesn't start with a dash. * * `callback`:: * pointer to the callback to use for OPTION_CALLBACK. @@ -93,6 +99,7 @@ struct option { #define OPT_ARGUMENT(l, h) { OPTION_ARGUMENT, 0, (l), NULL, NULL, (h) } #define OPT_GROUP(h) { OPTION_GROUP, 0, NULL, NULL, NULL, (h) } #define OPT_BIT(s, l, v, h, b) { OPTION_BIT, (s), (l), (v), NULL, (h), 0, NULL, (b) } +#define OPT_NEGBIT(s, l, v, h, b) { OPTION_NEGBIT, (s), (l), (v), NULL, (h), 0, NULL, (b) } #define OPT_BOOLEAN(s, l, v, h) { OPTION_BOOLEAN, (s), (l), (v), NULL, (h) } #define OPT_SET_INT(s, l, v, h, i) { OPTION_SET_INT, (s), (l), (v), NULL, (h), 0, NULL, (i) } #define OPT_SET_PTR(s, l, v, h, p) { OPTION_SET_PTR, (s), (l), (v), NULL, (h), 0, NULL, (p) } @@ -103,6 +110,9 @@ struct option { parse_opt_approxidate_cb } #define OPT_CALLBACK(s, l, v, a, h, f) \ { OPTION_CALLBACK, (s), (l), (v), (a), (h), 0, (f) } +#define OPT_NUMBER_CALLBACK(v, h, f) \ + { OPTION_NUMBER, 0, NULL, (v), NULL, (h), \ + PARSE_OPT_NOARG | PARSE_OPT_NONEG, (f) } /* parse_options() will filter out the processed options and leave the * non-option arguments in argv[]. diff --git a/t/t0040-parse-options.sh b/t/t0040-parse-options.sh index e38241c80..a40c1236c 100755 --- a/t/t0040-parse-options.sh +++ b/t/t0040-parse-options.sh @@ -12,6 +12,7 @@ usage: test-parse-options <options> -b, --boolean get a boolean -4, --or4 bitwise-or boolean with ...0100 + --neg-or4 same as --no-or4 -i, --integer <n> get a integer -j <n> get a integer, too @@ -29,6 +30,8 @@ String options Magic arguments --quux means --quux + -NUM set integer to NUM + + same as -b Standard options --abbrev[=<n>] use <n> digits to display SHA-1s @@ -245,7 +248,56 @@ test_expect_success 'OPT_BIT() and OPT_SET_INT() work' ' test_cmp expect output ' -# --or4 -# --no-or4 +test_expect_success 'OPT_NEGBIT() and OPT_SET_INT() work' ' + test-parse-options --set23 -bbbbb --neg-or4 > output 2> output.err && + test ! -s output.err && + test_cmp expect output +' + +cat > expect <<EOF +boolean: 6 +integer: 0 +timestamp: 0 +string: (not set) +abbrev: 7 +verbose: 0 +quiet: no +dry run: no +EOF + +test_expect_success 'OPT_BIT() works' ' + test-parse-options -bb --or4 > output 2> output.err && + test ! -s output.err && + test_cmp expect output +' + +test_expect_success 'OPT_NEGBIT() works' ' + test-parse-options -bb --no-neg-or4 > output 2> output.err && + test ! -s output.err && + test_cmp expect output +' + +test_expect_success 'OPT_BOOLEAN() with PARSE_OPT_NODASH works' ' + test-parse-options + + + + + + > output 2> output.err && + test ! -s output.err && + test_cmp expect output +' + +cat > expect <<EOF +boolean: 0 +integer: 12345 +timestamp: 0 +string: (not set) +abbrev: 7 +verbose: 0 +quiet: no +dry run: no +EOF + +test_expect_success 'OPT_NUMBER_CALLBACK() works' ' + test-parse-options -12345 > output 2> output.err && + test ! -s output.err && + test_cmp expect output +' test_done diff --git a/test-parse-options.c b/test-parse-options.c index 61d2c3981..e0669dcb4 100644 --- a/test-parse-options.c +++ b/test-parse-options.c @@ -19,6 +19,12 @@ int length_callback(const struct option *opt, const char *arg, int unset) return 0; } +int number_callback(const struct option *opt, const char *arg, int unset) +{ + *(int *)opt->value = strtol(arg, NULL, 10); + return 0; +} + int main(int argc, const char **argv) { const char *usage[] = { @@ -29,6 +35,7 @@ int main(int argc, const char **argv) OPT_BOOLEAN('b', "boolean", &boolean, "get a boolean"), OPT_BIT('4', "or4", &boolean, "bitwise-or boolean with ...0100", 4), + OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4), OPT_GROUP(""), OPT_INTEGER('i', "integer", &integer, "get a integer"), OPT_INTEGER('j', NULL, &integer, "get a integer, too"), @@ -45,6 +52,10 @@ int main(int argc, const char **argv) "set string to default", (unsigned long)"default"), OPT_GROUP("Magic arguments"), OPT_ARGUMENT("quux", "means --quux"), + OPT_NUMBER_CALLBACK(&integer, "set integer to NUM", + number_callback), + { OPTION_BOOLEAN, '+', NULL, &boolean, NULL, "same as -b", + PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH }, OPT_GROUP("Standard options"), OPT__ABBREV(&abbrev), OPT__VERBOSE(&verbose), |