1 files changed, 98 insertions, 0 deletions
diff --git a/input.c b/input.c
new file mode 100644
index 0000000..6d875f0
--- /dev/null
+++ b/input.c
@@ -0,0 +1,98 @@
+/* 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(&params, L" ");
+	if (nick) {
+		clientFmt("NICK %ls\r\n", nick);
+	} else {
+		uiChat("/nick requires a name");
+	}
+}
+
+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"nick", inputNick },
+	{ L"quit", inputQuit },
+};
+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);
+}