catboy/input.c

221 lines
5.3 KiB
C

/* 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 <ctype.h>
#include <err.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include "chat.h"
static void privmsg(struct Tag tag, bool action, const char *mesg) {
char *line;
int send;
asprintf(
&line, ":%s!%s %nPRIVMSG %s :%s%s%s",
self.nick, self.user, &send, tag.name,
(action ? "\1ACTION " : ""), mesg, (action ? "\1" : "")
);
if (!line) err(EX_OSERR, "asprintf");
ircFmt("%s\r\n", &line[send]);
handle(line);
free(line);
}
static char *param(const char *command, char **params, const char *name) {
char *param = strsep(params, " ");
if (param) return param;
uiFmt(TagStatus, UIHot, "%s requires a %s", command, name);
return NULL;
}
typedef void (*Handler)(struct Tag tag, char *params);
static void inputMe(struct Tag tag, char *params) {
privmsg(tag, true, params ? params : "");
}
static void inputNick(struct Tag tag, char *params) {
(void)tag;
char *nick = param("/nick", &params, "name");
if (!nick) return;
ircFmt("NICK %s\r\n", nick);
}
static void inputJoin(struct Tag tag, char *params) {
(void)tag;
char *chan = param("/join", &params, "channel");
if (!chan) return;
ircFmt("JOIN %s\r\n", chan);
}
static void inputPart(struct Tag tag, char *params) {
if (params) {
ircFmt("PART %s :%s\r\n", tag.name, params);
} else {
ircFmt("PART %s :Goodbye\r\n", tag.name);
}
}
static void inputQuery(struct Tag tag, char *params) {
(void)tag;
char *nick = param("/query", &params, "nick");
if (!nick) return;
tabTouch(TagNone, nick);
uiViewTag(tagFor(nick));
}
static void inputWho(struct Tag tag, char *params) {
(void)params;
ircFmt("WHO %s\r\n", tag.name);
}
static void inputTopic(struct Tag tag, char *params) {
if (params) {
ircFmt("TOPIC %s :%s\r\n", tag.name, params);
} else {
ircFmt("TOPIC %s\r\n", tag.name);
}
}
static void inputQuit(struct Tag tag, char *params) {
(void)tag;
if (params) {
ircFmt("QUIT :%s\r\n", params);
} else {
ircFmt("QUIT :Goodbye\r\n");
}
}
static void inputUrl(struct Tag tag, char *params) {
(void)params;
urlList(tag);
}
static void inputOpen(struct Tag tag, char *params) {
if (params && !isdigit(params[0])) {
urlOpenMatch(tag, params);
} else {
size_t at = (params ? strtoul(strsep(&params, "-,"), NULL, 0) : 1);
size_t to = (params ? strtoul(params, NULL, 0) : at);
urlOpenRange(tag, at - 1, to);
}
}
static void inputView(struct Tag tag, char *params) {
(void)tag;
char *view = param("/view", &params, "name or number");
if (!view) return;
int num = strtol(view, &view, 0);
if (!view[0]) {
uiViewNum(num);
} else {
struct Tag tag = tagFind(view);
if (tag.id != TagNone.id) {
uiViewTag(tag);
} else {
uiFmt(TagStatus, UIHot, "No view for %s", view);
}
}
}
static void inputClose(struct Tag tag, char *params) {
(void)params;
uiCloseTag(tag);
tabRemove(TagNone, tag.name);
}
static void inputMan(struct Tag tag, char *params) {
(void)tag;
(void)params;
char *argv[] = { "man", "1", "chatte", NULL };
eventWait(argv);
}
static const struct {
const char *command;
Handler handler;
} Commands[] = {
{ "/close", inputClose },
{ "/help", inputMan },
{ "/join", inputJoin },
{ "/man", inputMan },
{ "/me", inputMe },
{ "/names", inputWho },
{ "/nick", inputNick },
{ "/open", inputOpen },
{ "/part", inputPart },
{ "/query", inputQuery },
{ "/quit", inputQuit },
{ "/topic", inputTopic },
{ "/url", inputUrl },
{ "/view", inputView },
{ "/who", inputWho },
};
static const size_t CommandsLen = sizeof(Commands) / sizeof(Commands[0]);
void input(struct Tag tag, char *input) {
bool slash = (input[0] == '/');
if (slash) {
char *space = strchr(&input[1], ' ');
char *extra = strchr(&input[1], '/');
if (extra && (!space || extra < space)) slash = false;
}
if (!slash) {
if (tag.id == TagVerbose.id) {
ircFmt("%s\r\n", input);
} else if (tag.id != TagStatus.id) {
privmsg(tag, false, input);
}
return;
}
char *word = strsep(&input, " ");
if (input && !input[0]) input = NULL;
char *trail;
strtol(&word[1], &trail, 0);
if (!trail[0]) {
inputView(tag, &word[1]);
return;
}
const char *command = word;
const char *uniq = tabNext(TagNone, command);
if (uniq && uniq == tabNext(TagNone, command)) {
command = uniq;
tabAccept();
} else {
tabReject();
}
for (size_t i = 0; i < CommandsLen; ++i) {
if (strcasecmp(command, Commands[i].command)) continue;
Commands[i].handler(tag, input);
return;
}
uiFmt(TagStatus, UIHot, "%s isn't a recognized command", command);
}
void inputTab(void) {
for (size_t i = 0; i < CommandsLen; ++i) {
tabTouch(TagNone, Commands[i].command);
}
}