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client: Add command completion support

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This commit is contained in:
Marcel Holtmann 2012-12-13 17:56:32 +01:00
parent 992488963c
commit 9a77f93f6f
1 changed files with 44 additions and 4 deletions
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48
client/main.c
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@ -223,11 +223,43 @@ static const struct {
{ "info", cmd_info, "Controller info" },
{ "quit", cmd_quit, "Quit program" },
{ "exit", cmd_quit },
{ "help" },
{ }
};
static char *cmd_generator(const char *text, int state)
{
static int index, len;
const char *str;
if (!state) {
index = 0;
len = strlen(text);
}
while ((str = cmd_table[index].str)) {
index++;
if (!strncmp(str, text, len))
return strdup(str);
}
return NULL;
}
static char **cmd_completion(const char *text, int start, int end)
{
if (start > 0) {
rl_attempted_completion_over = 1;
return NULL;
}
return rl_completion_matches(text, cmd_generator);
}
static void rl_handler(char *input)
{
char *cmd;
int i;
if (!input) {
@ -243,15 +275,21 @@ static void rl_handler(char *input)
add_history(input);
cmd = strtok(input, " ");
if (cmd == NULL)
return;
for (i = 0; cmd_table[i].str; i++) {
if (strcmp(input, cmd_table[i].str))
if (strcmp(cmd, cmd_table[i].str))
continue;
cmd_table[i].func(cmd_table[i].str);
return;
if (cmd_table[i].func) {
cmd_table[i].func(input);
return;
}
}
if (strcmp(input, "help")) {
if (strcmp(cmd, "help")) {
printf("Invalid command\n");
return;
}
@ -403,6 +441,8 @@ int main(int argc, char *argv[])
main_loop = g_main_loop_new(NULL, FALSE);
dbus_conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, NULL, NULL);
rl_attempted_completion_function = cmd_completion;
rl_erase_empty_line = 1;
rl_callback_handler_install(NULL, rl_handler);