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/* Copyright (C) 2018 Curtis McEnroe <june@causal.agency>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <err.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
#include <wchar.h>
#include "chat.h"
static wchar_t *wcssep(wchar_t **stringp, const wchar_t *delim) {
wchar_t *orig = *stringp;
if (!orig) return NULL;
size_t i = wcscspn(orig, delim);
*stringp = NULL;
if (orig[i]) {
orig[i] = '\0';
*stringp = &orig[i + 1];
}
return orig;
}
static void privmsg(bool action, const wchar_t *mesg) {
char *line;
int send;
asprintf(
&line, ":%s!%s %nPRIVMSG %s :%s%ls%s",
chat.nick, chat.user, &send, chat.chan,
(action ? "\1ACTION " : ""), mesg, (action ? "\1" : "")
);
if (!line) err(EX_OSERR, "asprintf");
clientFmt("%s\r\n", &line[send]);
handle(line);
free(line);
}
typedef void (*Handler)(wchar_t *params);
static void inputMe(wchar_t *params) {
privmsg(true, params ? params : L"");
}
static void inputNick(wchar_t *params) {
wchar_t *nick = wcssep(¶ms, L" ");
if (nick) {
clientFmt("NICK %ls\r\n", nick);
} else {
uiChat("/nick requires a name");
}
}
static void inputWho(wchar_t *params) {
(void)params;
clientFmt("WHO %s\r\n", chat.chan);
}
static void inputQuit(wchar_t *params) {
if (params) {
clientFmt("QUIT :%ls\r\n", params);
} else {
clientFmt("QUIT :Goodbye\r\n");
}
}
static const struct {
const wchar_t *command;
Handler handler;
} COMMANDS[] = {
{ L"me", inputMe },
{ L"names", inputWho },
{ L"nick", inputNick },
{ L"quit", inputQuit },
{ L"who", inputWho },
};
static const size_t COMMANDS_LEN = sizeof(COMMANDS) / sizeof(COMMANDS[0]);
void input(wchar_t *input) {
if (input[0] != '/') {
privmsg(false, input);
return;
}
input++;
wchar_t *command = wcssep(&input, L" ");
for (size_t i = 0; i < COMMANDS_LEN; ++i) {
if (wcscmp(command, COMMANDS[i].command)) continue;
COMMANDS[i].handler(input);
return;
}
uiFmt("/%ls isn't a recognized command", command);
}
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