#include "tree.h"
#include "blob.h"
#include "quote.h"
+#include "parse-options.h"
/* Quoting styles */
#define QUOTE_NONE 0
* Make sure the format string is well formed, and parse out
* the used atoms.
*/
-static void verify_format(const char *format)
+static int verify_format(const char *format)
{
const char *cp, *sp;
for (cp = format; *cp && (sp = find_next(cp)); ) {
const char *ep = strchr(sp, ')');
if (!ep)
- die("malformatted format string %s", sp);
+ return error("malformatted format string %s", sp);
/* sp points at "%(" and ep points at the closing ")" */
parse_atom(sp + 2, ep);
cp = ep + 1;
}
+ return 0;
}
/*
return sort;
}
-int cmd_for_each_ref(int ac, const char **av, const char *prefix)
+int opt_parse_sort(const struct option *opt, const char *arg, int unset)
+{
+ struct ref_sort **sort_tail = opt->value;
+ struct ref_sort *s;
+ int len;
+
+ if (!arg) /* should --no-sort void the list ? */
+ return -1;
+
+ *sort_tail = s = xcalloc(1, sizeof(*s));
+ sort_tail = &s->next;
+
+ if (*arg == '-') {
+ s->reverse = 1;
+ arg++;
+ }
+ len = strlen(arg);
+ s->atom = parse_atom(arg, arg+len);
+ return 0;
+}
+
+static char const * const for_each_ref_usage[] = {
+ "git-for-each-ref [options] [<pattern>]",
+ NULL
+};
+
+int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
{
int i, num_refs;
- const char *format = NULL;
+ const char *format = "%(objectname) %(objecttype)\t%(refname)";
struct ref_sort *sort = NULL, **sort_tail = &sort;
- int maxcount = 0;
- int quote_style = -1; /* unspecified yet */
+ int maxcount = 0, quote_style;
+ int quote_shell = 0, quote_perl = 0, quote_python = 0, quote_tcl = 0;
struct refinfo **refs;
struct grab_ref_cbdata cbdata;
- for (i = 1; i < ac; i++) {
- const char *arg = av[i];
- if (arg[0] != '-')
- break;
- if (!strcmp(arg, "--")) {
- i++;
- break;
- }
- if (!prefixcmp(arg, "--format=")) {
- if (format)
- die("more than one --format?");
- format = arg + 9;
- continue;
- }
- if (!strcmp(arg, "-s") || !strcmp(arg, "--shell") ) {
- if (0 <= quote_style)
- die("more than one quoting style?");
- quote_style = QUOTE_SHELL;
- continue;
- }
- if (!strcmp(arg, "-p") || !strcmp(arg, "--perl") ) {
- if (0 <= quote_style)
- die("more than one quoting style?");
- quote_style = QUOTE_PERL;
- continue;
- }
- if (!strcmp(arg, "--python") ) {
- if (0 <= quote_style)
- die("more than one quoting style?");
- quote_style = QUOTE_PYTHON;
- continue;
- }
- if (!strcmp(arg, "--tcl") ) {
- if (0 <= quote_style)
- die("more than one quoting style?");
- quote_style = QUOTE_TCL;
- continue;
- }
- if (!prefixcmp(arg, "--count=")) {
- if (maxcount)
- die("more than one --count?");
- maxcount = atoi(arg + 8);
- if (maxcount <= 0)
- die("The number %s did not parse", arg);
- continue;
- }
- if (!prefixcmp(arg, "--sort=")) {
- struct ref_sort *s = xcalloc(1, sizeof(*s));
- int len;
-
- s->next = NULL;
- *sort_tail = s;
- sort_tail = &s->next;
-
- arg += 7;
- if (*arg == '-') {
- s->reverse = 1;
- arg++;
- }
- len = strlen(arg);
- sort->atom = parse_atom(arg, arg+len);
- continue;
- }
- break;
+ struct option opts[] = {
+ OPT_BOOLEAN('s', "shell", "e_shell, "quote placeholders suitably for shells"),
+ OPT_BOOLEAN('p', "perl", "e_perl, "quote placeholders suitably for perl"),
+ OPT_BOOLEAN( 0 , "python", "e_python, "quote placeholders suitably for python"),
+ OPT_BOOLEAN( 0 , "tcl", "e_tcl, "quote placeholders suitably for tcl"),
+
+ OPT_GROUP(""),
+ OPT_INTEGER( 0 , "count", &maxcount, "show only <n> matched refs"),
+ OPT_STRING( 0 , "format", &format, "format", "format to use for the output"),
+ OPT_CALLBACK(0 , "sort", &sort_tail, "key",
+ "field name to sort on", &opt_parse_sort),
+ OPT_END(),
+ };
+
+ parse_options(argc, argv, opts, for_each_ref_usage, 0);
+ if (maxcount < 0) {
+ error("invalid --count argument: `%d'", maxcount);
+ usage_with_options(for_each_ref_usage, opts);
}
- if (quote_style < 0)
- quote_style = QUOTE_NONE;
+ if (quote_shell + quote_perl + quote_python + quote_tcl > 1) {
+ error("more than one quoting style ?");
+ usage_with_options(for_each_ref_usage, opts);
+ }
+ if (verify_format(format))
+ usage_with_options(for_each_ref_usage, opts);
+ quote_style = QUOTE_SHELL * quote_shell + QUOTE_PERL * quote_perl +
+ QUOTE_PYTHON * quote_python + QUOTE_TCL * quote_tcl;
if (!sort)
sort = default_sort();
sort_atom_limit = used_atom_cnt;
- if (!format)
- format = "%(objectname) %(objecttype)\t%(refname)";
-
- verify_format(format);
memset(&cbdata, 0, sizeof(cbdata));
- cbdata.grab_pattern = av + i;
+ cbdata.grab_pattern = argv;
for_each_ref(grab_single_ref, &cbdata);
refs = cbdata.grab_array;
num_refs = cbdata.grab_cnt;