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authorJunio C Hamano <gitster@pobox.com>2012-05-03 15:13:31 -0700
committerJunio C Hamano <gitster@pobox.com>2012-05-03 15:13:31 -0700
commitf4ed0af6e2762bc43de474d1fcaa2863b00268eb (patch)
tree0553a911a76184db89924518e79b978b65dccc23 /help.c
parent9a7b0bca366d8d9b3b26f1bb1a75885780c0f0e4 (diff)
parentd96e3c150f2b4508f2e7d23ce9183d5b807c2155 (diff)
downloadgit-f4ed0af6e2762bc43de474d1fcaa2863b00268eb.tar.gz
Merge branch 'nd/columns'
A couple of commands learn --column option to produce columnar output. By Nguyễn Thái Ngọc Duy (9) and Zbigniew Jędrzejewski-Szmek (1) * nd/columns: tag: add --column column: support piping stdout to external git-column process status: add --column branch: add --column help: reuse print_columns() for help -a column: add dense layout support t9002: work around shells that are unable to set COLUMNS to 1 column: add columnar layout Stop starting pager recursively Add column layout skeleton and git-column
Diffstat (limited to 'help.c')
-rw-r--r--help.c58
1 files changed, 23 insertions, 35 deletions
diff --git a/help.c b/help.c
index a39b7bf897..69d483d8d3 100644
--- a/help.c
+++ b/help.c
@@ -4,6 +4,8 @@
#include "levenshtein.h"
#include "help.h"
#include "common-cmds.h"
+#include "string-list.h"
+#include "column.h"
void add_cmdname(struct cmdnames *cmds, const char *name, int len)
{
@@ -70,31 +72,25 @@ void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes)
cmds->cnt = cj;
}
-static void pretty_print_string_list(struct cmdnames *cmds, int longest)
+static void pretty_print_string_list(struct cmdnames *cmds,
+ unsigned int colopts)
{
- int cols = 1, rows;
- int space = longest + 1; /* min 1 SP between words */
- int max_cols = term_columns() - 1; /* don't print *on* the edge */
- int i, j;
-
- if (space < max_cols)
- cols = max_cols / space;
- rows = DIV_ROUND_UP(cmds->cnt, cols);
-
- for (i = 0; i < rows; i++) {
- printf(" ");
+ struct string_list list = STRING_LIST_INIT_NODUP;
+ struct column_options copts;
+ int i;
- for (j = 0; j < cols; j++) {
- int n = j * rows + i;
- int size = space;
- if (n >= cmds->cnt)
- break;
- if (j == cols-1 || n + rows >= cmds->cnt)
- size = 1;
- printf("%-*s", size, cmds->names[n]->name);
- }
- putchar('\n');
- }
+ for (i = 0; i < cmds->cnt; i++)
+ string_list_append(&list, cmds->names[i]->name);
+ /*
+ * always enable column display, we only consult column.*
+ * about layout strategy and stuff
+ */
+ colopts = (colopts & ~COL_ENABLE_MASK) | COL_ENABLED;
+ memset(&copts, 0, sizeof(copts));
+ copts.indent = " ";
+ copts.padding = 2;
+ print_columns(&list, colopts, &copts);
+ string_list_clear(&list, 0);
}
static int is_executable(const char *name)
@@ -203,29 +199,21 @@ void load_command_list(const char *prefix,
exclude_cmds(other_cmds, main_cmds);
}
-void list_commands(struct cmdnames *main_cmds, struct cmdnames *other_cmds)
+void list_commands(unsigned int colopts,
+ struct cmdnames *main_cmds, struct cmdnames *other_cmds)
{
- int i, longest = 0;
-
- for (i = 0; i < main_cmds->cnt; i++)
- if (longest < main_cmds->names[i]->len)
- longest = main_cmds->names[i]->len;
- for (i = 0; i < other_cmds->cnt; i++)
- if (longest < other_cmds->names[i]->len)
- longest = other_cmds->names[i]->len;
-
if (main_cmds->cnt) {
const char *exec_path = git_exec_path();
printf_ln(_("available git commands in '%s'"), exec_path);
putchar('\n');
- pretty_print_string_list(main_cmds, longest);
+ pretty_print_string_list(main_cmds, colopts);
putchar('\n');
}
if (other_cmds->cnt) {
printf_ln(_("git commands available from elsewhere on your $PATH"));
putchar('\n');
- pretty_print_string_list(other_cmds, longest);
+ pretty_print_string_list(other_cmds, colopts);
putchar('\n');
}
}