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lib: fix output of "list" and "find" commands

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Currently, we output the command exactly how it is defined in DEFUN.
We shouldn't output varnames and excessive whitespace.

Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
This commit is contained in:
Igor Ryzhov 2021-06-03 02:02:45 +03:00
parent c22789620d
commit 5b96d81c86
1 changed files with 58 additions and 5 deletions
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63
lib/command.c
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@ -1484,6 +1484,56 @@ static void permute(struct graph_node *start, struct vty *vty)
list_delete_node(position, listtail(position));
}
static void print_cmd(struct vty *vty, const char *cmd)
{
int i, j, len = strlen(cmd);
char buf[len];
bool skip = false;
j = 0;
for (i = 0; i < len; i++) {
/* skip varname */
if (cmd[i] == '$')
skip = true;
else if (strchr(" ()<>[]{}|", cmd[i]))
skip = false;
if (skip)
continue;
if (isspace(cmd[i])) {
/* skip leading whitespace */
if (i == 0)
continue;
/* skip trailing whitespace */
if (i == len - 1)
continue;
/* skip all whitespace after opening brackets or pipe */
if (strchr("(<[{|", cmd[i - 1])) {
while (isspace(cmd[i + 1]))
i++;
continue;
}
/* skip repeated whitespace */
if (isspace(cmd[i + 1]))
continue;
/* skip whitespace before closing brackets or pipe */
if (strchr(")>]}|", cmd[i + 1]))
continue;
/* convert tabs to spaces */
if (cmd[i] == '\t') {
buf[j++] = ' ';
continue;
}
}
buf[j++] = cmd[i];
}
buf[j] = 0;
vty_out(vty, "%s\n", buf);
}
int cmd_list_cmds(struct vty *vty, int do_permute)
{
struct cmd_node *node = vector_slot(cmdvec, vty->node);
@ -1497,8 +1547,10 @@ int cmd_list_cmds(struct vty *vty, int do_permute)
i++)
if ((element = vector_slot(node->cmd_vector, i))
&& element->attr != CMD_ATTR_DEPRECATED
&& element->attr != CMD_ATTR_HIDDEN)
vty_out(vty, " %s\n", element->string);
&& element->attr != CMD_ATTR_HIDDEN) {
vty_out(vty, " ");
print_cmd(vty, element->string);
}
}
return CMD_SUCCESS;
}
@ -2298,9 +2350,10 @@ int cmd_find_cmds(struct vty *vty, struct cmd_token **argv, int argc)
for (unsigned int j = 0; j < vector_active(clis); j++) {
cli = vector_slot(clis, j);
if (regexec(&exp, cli->string, 0, NULL, 0) == 0)
vty_out(vty, " (%s) %s\n",
node->name, cli->string);
if (regexec(&exp, cli->string, 0, NULL, 0) == 0) {
vty_out(vty, " (%s) ", node->name);
print_cmd(vty, cli->string);
}
}
}