improve command parsing so you don't need quotes & add group ignoring

src/execute.c

@@ -83,6 +83,8 @@ static struct cmd_func chat_commands[] = {
 static struct cmd_func group_commands[] = {
     { "/topic",     cmd_set_topic   },
     { "/chatid",    cmd_chatid      },
+    { "/ignore",    cmd_ignore      },
+    { "/unignore",  cmd_unignore    },
 #ifdef AUDIO
     { "/mute",      cmd_mute        },
     { "/sense",     cmd_sense       },
@@ -90,10 +92,65 @@ static struct cmd_func group_commands[] = {
     { NULL,         NULL            },
 };
 
-/* Parses input command and puts args into arg array.
-   Returns number of arguments on success, -1 on failure. */
+#define SPECIAL_COMMANDS 9
+static const char special_commands[SPECIAL_COMMANDS][MAX_CMDNAME_SIZE] = {
+    "/ban",
+    "/deop",
+    "/group",
+    "/ignore",
+    "/nick",
+    "/note",
+    "/op",
+    "/topic",
+    "/unignore"
+};
+
+/* return true if input command is in the special_commands array. False otherwise.*/
+static bool is_special_command(const char *input)
+{
+    int s = char_find(0, input, ' ');
+
+    if (s == strlen(input))
+        return false;
+
+    int i;
+
+    for (i = 0; i < SPECIAL_COMMANDS; ++i) {
+        if (strncmp(input, special_commands[i], s) == 0)
+            return true;
+    }
+
+    return false;
+}
+
+/* Parses commands in the special_commands array which take exactly one argument that may contain spaces.
+ * Unlike parse_command, this function does not split the input string at spaces.
+ * Returns number of arguments on success, returns -1 on failure
+ */
+static int parse_special_command(WINDOW *w, ToxWindow *self, const char *input, char (*args)[MAX_STR_SIZE])
+{
+    int len = strlen(input);
+    int s = char_find(0, input, ' ');
+
+    if (s + 1 >= len)
+        return -1;
+
+    memcpy(args[0], input, s);
+    args[0][s++] = '\0';    /* increment to remove space after /command */
+    memcpy(args[1], input + s, len - s);
+    args[1][len - s] = '\0';
+
+    return 2;
+}
+
+/* Parses input command and puts args (split by spaces) into args array.
+ * Returns number of arguments on success, -1 on failure.
+ */
 static int parse_command(WINDOW *w, ToxWindow *self, const char *input, char (*args)[MAX_STR_SIZE])
 {
+    if (is_special_command(input))
+        return parse_special_command(w, self, input, args);
+
     char *cmd = strdup(input);
 
     if (cmd == NULL)