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client: Implement command execution

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This commit is contained in:
Tim Kourt 2017-04-13 09:56:11 -07:00 committed by Denis Kenzior
parent 6385116cc8
commit dcf2a0cae5
2 changed files with 78 additions and 0 deletions
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76
client/command.c
View File

@ -51,24 +51,98 @@ static const struct command command_list[] = {
{ }
};
static void execute_cmd(const char *family, const char *entity,
const struct command *cmd, char *args)
{
display_refresh_set_cmd(family, entity, cmd, args);
cmd->function(entity, args);
if (cmd->refreshable)
display_refresh_timeout_set();
}
static bool match_cmd(const char *family, const char *entity, const char *cmd,
char *args, const struct command *command_list)
{
size_t i;
for (i = 0; command_list[i].cmd; i++) {
if (strcmp(command_list[i].cmd, cmd))
continue;
if (!command_list[i].function)
goto nomatch;
execute_cmd(family, entity, &command_list[i], args);
return true;
}
nomatch:
return false;
}
static bool match_cmd_family(const char *cmd_family, char *arg)
{
const struct l_queue_entry *entry;
const char *arg1;
const char *arg2;
for (entry = l_queue_get_entries(command_families); entry;
entry = entry->next) {
const struct command_family *family = entry->data;
if (strcmp(family->name, cmd_family))
continue;
arg1 = strtok_r(NULL, " ", &arg);
if (!arg1)
goto nomatch;
if (match_cmd(family->name, NULL, arg1, arg,
family->command_list))
return true;
arg2 = strtok_r(NULL, " ", &arg);
if (!arg2)
goto nomatch;
if (!match_cmd(family->name, arg1, arg2, arg,
family->command_list))
goto nomatch;
return true;
}
nomatch:
return false;
}
static void list_commands(const char *command_family,
const struct command *cmd_list)
{
size_t i;
for (i = 0; cmd_list[i].cmd; i++) {
if (!cmd_list[i].desc)
continue;
display_command_line(command_family, &cmd_list[i]);
}
}
static void list_cmd_families(void)
{
const struct l_queue_entry *entry;
for (entry = l_queue_get_entries(command_families); entry;
entry = entry->next) {
const struct command_family *family = entry->data;
display("\n%s:\n", family->caption);
list_commands(family->name, family->command_list);
}
}
void command_process_prompt(char *prompt)
@ -83,6 +157,8 @@ void command_process_prompt(char *prompt)
if (match_cmd_family(cmd, arg))
return;
display_refresh_reset();
if (match_cmd(NULL, NULL, cmd, arg, command_list))
return;

2
client/command.h
View File

@ -28,9 +28,11 @@ struct command {
const char *arg;
void (*function)(const char *entity, char *arg);
const char *desc;
const bool refreshable;
};
struct command_family {
const char *caption;
const char *name;
const struct command *command_list;
};