diff options
Diffstat (limited to 'src/helper/command.c')
| -rw-r--r-- | src/helper/command.c | 48 |
1 files changed, 38 insertions, 10 deletions
diff --git a/src/helper/command.c b/src/helper/command.c index 1263a931..a1ba3585 100644 --- a/src/helper/command.c +++ b/src/helper/command.c @@ -811,20 +811,48 @@ static COMMAND_HELPER(command_help_show_list, struct command *head, unsigned n, CALL_COMMAND_HANDLER(command_help_show, c, n, show_help); return ERROR_OK; } + +#define HELP_LINE_WIDTH(_n) (int)(76 - (2 * _n)) + +static void command_help_show_indent(unsigned n) +{ + for (unsigned i = 0; i < n; i++) + LOG_USER_N(" "); +} +static void command_help_show_wrap(const char *str, unsigned n, unsigned n2) +{ + const char *cp = str, *last = str; + while (*cp) + { + const char *next = last; + do { + cp = next; + do { + next++; + } while (*next != ' ' && *next != '\t' && *next != '\0'); + } while ((next - last < HELP_LINE_WIDTH(n)) && *next != '\0'); + if (next - last < HELP_LINE_WIDTH(n)) + cp = next; + command_help_show_indent(n); + LOG_USER_N("%.*s", (int)(cp - last), last); + LOG_USER_N("\n"); + last = cp + 1; + n = n2; + } +} static COMMAND_HELPER(command_help_show, struct command *c, unsigned n, bool show_help) { - const char *usage = c->usage ? : ""; - const char *help = ""; - const char *sep = ""; - if (show_help && c->help) - { - help = c->help ? : ""; - sep = c->usage ? " | " : ""; + command_help_show_indent(n); + LOG_USER_N("%s", command_name(c, ' ')); + if (c->usage) { + LOG_USER_N(" "); + command_help_show_wrap(c->usage, 0, n + 5); } - command_run_linef(CMD_CTX, "cmd_help {%s} {%s%s%s} %d", - command_name(c, ' '), usage, sep, help, n); - + else + LOG_USER_N("\n"); + if (show_help && c->help) + command_help_show_wrap(c->help, n + 3, n + 3); if (++n >= 2) return ERROR_OK; |