mirror of
https://github.com/Tha14/toxic.git
synced 2024-11-22 20:43:02 +01:00
refactor command argument parsing
This commit is contained in:
Luke Champine
parent
fba685695c
commit
a0e3b7dfd1
246
src/prompt.c
246
src/prompt.c
@ -1,6 +1,6 @@
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/*
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* Toxic -- Tox Curses Client
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*/
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* Toxic -- Tox Curses Client
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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@ -22,40 +22,39 @@ static char prompt_buf[MAX_STR_SIZE] = {0};
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static int prompt_buf_pos = 0;
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/* commands */
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void cmd_accept(ToxWindow *, Tox *m, char **);
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void cmd_add(ToxWindow *, Tox *m, char **);
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void cmd_clear(ToxWindow *, Tox *m, char **);
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void cmd_connect(ToxWindow *, Tox *m, char **);
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void cmd_help(ToxWindow *, Tox *m, char **);
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void cmd_msg(ToxWindow *, Tox *m, char **);
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void cmd_myid(ToxWindow *, Tox *m, char **);
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void cmd_nick(ToxWindow *, Tox *m, char **);
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void cmd_mynick(ToxWindow *, Tox *m, char **);
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void cmd_quit(ToxWindow *, Tox *m, char **);
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void cmd_status(ToxWindow *, Tox *m, char **);
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void cmd_statusmsg(ToxWindow *, Tox *m, char **);
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void cmd_accept(ToxWindow *, Tox *m, int, char **);
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void cmd_add(ToxWindow *, Tox *m, int, char **);
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void cmd_clear(ToxWindow *, Tox *m, int, char **);
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void cmd_connect(ToxWindow *, Tox *m, int, char **);
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void cmd_help(ToxWindow *, Tox *m, int, char **);
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void cmd_msg(ToxWindow *, Tox *m, int, char **);
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void cmd_myid(ToxWindow *, Tox *m, int, char **);
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void cmd_nick(ToxWindow *, Tox *m, int, char **);
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void cmd_mynick(ToxWindow *, Tox *m, int, char **);
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void cmd_quit(ToxWindow *, Tox *m, int, char **);
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void cmd_status(ToxWindow *, Tox *m, int, char **);
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void cmd_statusmsg(ToxWindow *, Tox *m, int, char **);
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#define NUM_COMMANDS 14
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static struct {
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char *name;
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int numargs;
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void (*func)(ToxWindow *, Tox *m, char **);
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void (*func)(ToxWindow *, Tox *m, int, char **);
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} commands[] = {
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{ "accept", 1, cmd_accept },
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{ "add", 1, cmd_add },
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{ "clear", 0, cmd_clear },
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{ "connect", 3, cmd_connect },
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{ "exit", 0, cmd_quit },
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{ "help", 0, cmd_help },
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{ "msg", 2, cmd_msg },
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{ "myid", 0, cmd_myid },
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{ "nick", 1, cmd_nick },
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{ "mynick", 0, cmd_mynick },
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{ "q", 0, cmd_quit },
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{ "quit", 0, cmd_quit },
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{ "status", 2, cmd_status },
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{ "statusmsg", 1, cmd_statusmsg },
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{ "accept", cmd_accept },
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{ "add", cmd_add },
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{ "clear", cmd_clear },
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{ "connect", cmd_connect },
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{ "exit", cmd_quit },
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{ "help", cmd_help },
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{ "msg", cmd_msg },
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{ "myid", cmd_myid },
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{ "nick", cmd_nick },
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{ "mynick", cmd_mynick },
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{ "q", cmd_quit },
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{ "quit", cmd_quit },
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{ "status", cmd_status },
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{ "statusmsg", cmd_statusmsg },
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};
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// XXX:
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@ -80,9 +79,18 @@ unsigned char *hex_string_to_bin(char hex_string[])
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return val;
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}
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void cmd_accept(ToxWindow *self, Tox *m, char **args)
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/* command functions */
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void cmd_accept(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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int num = atoi(args[1]);
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int num;
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/* check arguments */
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if (argc != 1) {
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wprintw(self->window, "Invalid syntax.\n");
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return;
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}
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num = atoi(argv[1]);
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if (num >= num_requests) {
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wprintw(self->window, "Invalid syntax.\n");
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@ -99,29 +107,29 @@ void cmd_accept(ToxWindow *self, Tox *m, char **args)
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}
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}
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void cmd_add(ToxWindow *self, Tox *m, char **args)
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void cmd_add(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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uint8_t id_bin[TOX_FRIEND_ADDRESS_SIZE];
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char xx[3];
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uint32_t x;
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char *id = args[1];
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char *msg = args[2];
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char *id;
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char *msg;
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int i, num;
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if (!id) {
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wprintw(self->window, "Invalid command: add expected at least one argument.\n");
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/* check arguments */
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if (argc != 1 && argc != 2) {
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wprintw(self->window, "Invalid syntax.\n");
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return;
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}
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if (!msg)
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msg = "";
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id = argv[1];
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msg = (argc == 2) ? argv[2] : "";
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if (strlen(id) != 2 * TOX_FRIEND_ADDRESS_SIZE) {
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wprintw(self->window, "Invalid ID length.\n");
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return;
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}
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int i;
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for (i = 0; i < TOX_FRIEND_ADDRESS_SIZE; ++i) {
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xx[0] = id[2 * i];
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xx[1] = id[2 * i + 1];
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@ -139,7 +147,7 @@ void cmd_add(ToxWindow *self, Tox *m, char **args)
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id[i] = toupper(id[i]);
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}
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int num = tox_addfriend(m, id_bin, (uint8_t *) msg, strlen(msg) + 1);
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num = tox_addfriend(m, id_bin, (uint8_t *) msg, strlen(msg) + 1);
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switch (num) {
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case TOX_FAERR_TOOLONG:
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@ -177,17 +185,25 @@ void cmd_add(ToxWindow *self, Tox *m, char **args)
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}
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}
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void cmd_clear(ToxWindow *self, Tox *m, char **args)
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void cmd_clear(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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wclear(self->window);
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}
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void cmd_connect(ToxWindow *self, Tox *m, char **args)
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void cmd_connect(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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tox_IP_Port dht;
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char *ip = args[1];
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char *port = args[2];
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char *key = args[3];
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char *ip, *port, *key;
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/* check arguments */
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if (argc != 3) {
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wprintw(self->window, "Invalid syntax.\n");
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return;
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}
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ip = argv[1];
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port = argv[2];
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key = argv[3];
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if (atoi(port) == 0) {
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wprintw(self->window, "Invalid syntax.\n");
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@ -207,13 +223,13 @@ void cmd_connect(ToxWindow *self, Tox *m, char **args)
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free(binary_string);
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}
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void cmd_quit(ToxWindow *self, Tox *m, char **args)
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void cmd_quit(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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endwin();
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exit(0);
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}
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void cmd_help(ToxWindow *self, Tox *m, char **args)
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void cmd_help(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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wclear(self->window);
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wattron(self->window, COLOR_PAIR(2) | A_BOLD);
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@ -239,10 +255,18 @@ void cmd_help(ToxWindow *self, Tox *m, char **args)
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wattroff(self->window, COLOR_PAIR(2));
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}
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void cmd_msg(ToxWindow *self, Tox *m, char **args)
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void cmd_msg(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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char *id = args[1];
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char *msg = args[2];
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char *id, *msg;
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/* check arguments */
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if (argc != 2) {
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wprintw(self->window, "Invalid syntax.\n");
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return;
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}
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id = argv[1];
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msg = argv[2];
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if (tox_sendmessage(m, atoi(id), (uint8_t *) msg, strlen(msg) + 1) == 0)
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wprintw(self->window, "Error occurred while sending message.\n");
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@ -250,7 +274,7 @@ void cmd_msg(ToxWindow *self, Tox *m, char **args)
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wprintw(self->window, "Message successfully sent.\n");
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}
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void cmd_myid(ToxWindow *self, Tox *m, char **args)
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void cmd_myid(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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char id[TOX_FRIEND_ADDRESS_SIZE * 2 + 1] = {0};
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size_t i;
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@ -266,9 +290,18 @@ void cmd_myid(ToxWindow *self, Tox *m, char **args)
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wprintw(self->window, "%s\n", id);
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}
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void cmd_nick(ToxWindow *self, Tox *m, char **args)
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void cmd_nick(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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char *nick = args[1];
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char *nick;
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/* check arguments */
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if (argc != 1) {
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wprintw(self->window, "Invalid syntax.\n");
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return;
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}
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nick = argv[1];
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tox_setname(m, (uint8_t *) nick, strlen(nick) + 1);
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wprintw(self->window, "Nickname set to: %s\n", nick);
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@ -277,7 +310,7 @@ void cmd_nick(ToxWindow *self, Tox *m, char **args)
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}
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}
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void cmd_mynick(ToxWindow *self, Tox *m, char **args)
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void cmd_mynick(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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uint8_t *nick = malloc(TOX_MAX_NAME_LENGTH);
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tox_getselfname(m, nick, TOX_MAX_NAME_LENGTH);
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@ -285,10 +318,17 @@ void cmd_mynick(ToxWindow *self, Tox *m, char **args)
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free(nick);
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}
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void cmd_status(ToxWindow *self, Tox *m, char **args)
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void cmd_status(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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char *status = args[1];
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char *status_text;
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char *status, *status_text, *msg;
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/* check arguments */
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if (argc != 1 && argc != 2) {
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wprintw(self->window, "Invalid syntax.\n");
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return;
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}
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status = argv[1];
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TOX_USERSTATUS status_kind;
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@ -306,7 +346,7 @@ void cmd_status(ToxWindow *self, Tox *m, char **args)
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return;
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}
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char *msg = args[2];
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msg = argv[2];
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if (msg == NULL) {
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tox_set_userstatus(m, status_kind);
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@ -318,9 +358,18 @@ void cmd_status(ToxWindow *self, Tox *m, char **args)
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}
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}
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void cmd_statusmsg(ToxWindow *self, Tox *m, char **args)
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void cmd_statusmsg(ToxWindow *self, Tox *m, int argc, char **argv)
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{
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char *msg = args[1];
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char *msg;
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/* check arguments */
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if (argc != 1) {
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wprintw(self->window, "Invalid syntax.\n");
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return;
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}
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msg = argv[1];
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tox_set_statusmessage(m, (uint8_t *) msg, strlen(msg) + 1);
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wprintw(self->window, "Status set to: %s\n", msg);
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}
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@ -355,76 +404,47 @@ static void execute(ToxWindow *self, Tox *m, char *u_cmd)
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/* insert \0 at argument boundaries */
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int numargs = 0;
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for (i = 0; i < MAX_STR_SIZE; i++) {
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char quote_chr;
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if (cmd[i] == '\"' || cmd[i] == '\'') {
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quote_chr = cmd[i];
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while (cmd[++i] != quote_chr && i < MAX_STR_SIZE); /* skip over strings */
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/* Check if got qoute character */
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if (cmd[i] != quote_chr) {
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wprintw(self->window, "Missing terminating %c character\n", quote_chr);
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return;
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}
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}
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if (cmd[i] == ' ') {
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cmd[i] = '\0';
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int j = i;
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while (++j < MAX_STR_SIZE && isspace(cmd[j]));
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i = j - 1;
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numargs++;
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}
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/* skip over strings */
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else if (cmd[i] == '\"') {
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while (cmd[++i] != '\"') {
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if (cmd[i] == '\n') {
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wprintw(self->window, "Invalid command: did you forget a closing \"?\n");
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return;
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}
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}
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}
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}
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/* excessive arguments */
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if (numargs > 3) {
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wprintw(self->window, "Invalid command: too many arguments.\n");
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return;
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/* read arguments into array */
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char **cmdargs = malloc((numargs + 1) * sizeof(char *));
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if (!cmdargs) {
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wprintw(self->window, "Invalid command: too many arguments.\n");
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return;
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}
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/* read arguments into array */
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char *cmdargs[5];
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int pos = 0;
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for (i = 0; i < 5; i++) {
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for (i = 0; i < numargs + 1; i++) {
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cmdargs[i] = cmd + pos;
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pos += strlen(cmdargs[i]) + 1;
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while (isspace(cmd[pos]) && pos < MAX_STR_SIZE)
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++pos;
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/* replace empty strings with NULL for easier error checking */
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if (strlen(cmdargs[i]) == 0)
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cmdargs[i] = NULL;
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}
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/* no input */
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if (strlen(cmdargs[0]) == 0)
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if (!cmdargs[0])
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return;
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/* match input to command list */
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for (i = 0; i < NUM_COMMANDS; i++) {
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if (!strcmp(cmdargs[0], commands[i].name)) {
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/* check for missing arguments */
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int j;
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for (j = 0; j <= commands[i].numargs; j++) {
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if (strlen(cmdargs[j]) == 0) {
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wprintw(self->window, "Invalid command: %s expected %d arguments, got %d.\n",
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commands[i].name, commands[i].numargs, j - 1);
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return;
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}
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}
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/* check for excess arguments */
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if (strcmp(cmdargs[0], "add") && strlen(cmdargs[j]) != 0) {
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wprintw(self->window, "Invalid command: too many arguments to %s.\n", commands[i].name);
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return;
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}
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/* pass arguments to command function */
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(commands[i].func)(self, m, cmdargs);
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(commands[i].func)(self, m, numargs, cmdargs);
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return;
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}
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}
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@ -493,7 +513,7 @@ static void prompt_onDraw(ToxWindow *self, Tox *m)
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static void prompt_onInit(ToxWindow *self, Tox *m)
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{
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scrollok(self->window, 1);
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cmd_help(self, m, NULL);
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cmd_help(self, m, 0, NULL);
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wclrtoeol(self->window);
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}
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