text based commands parsing

src/localization/en_gb/observers/en_gb_commandHandler.lang

@@ -80,3 +80,6 @@ Command Error
 [O_COMMANDHANDLER_COMMAND_NORESPONSE]
 Command returned no response. This should not happen and is likely a bug.
 
+[O_COMMANDHANDLER_UNRECOGNISED_FLAG]
+Unrecognised flag: `{flag}`
+See command help for valid flags.

src/structure/components/observers/CommandHandler.js

@@ -92,7 +92,9 @@ class CommandHandler extends Observer {
 
     _parseResponse(invoker, response) {
         const { command } = invoker;
-        if (response.error) {
+        if (response.error && response.index) {
+            return invoker.reply(response);
+        } else if (response.error) {
             let content = invoker.format(`O_COMMANDHANDLER_TYPE${response.option.type}`, {
                 option: response.option.name, min: response.option.minimum, max: response.option.maximum
             });
@@ -275,10 +277,29 @@ class CommandHandler extends Observer {
         const activeCommand = subcommand || command;
         const flags = activeCommand.options.filter((opt) => opt.flag);
 
-        for (const flag of flags) {
+        params = Util.parseQuotes(params.join(' ')).map(([x]) => x);
+
+        for (let index = 0; index < params.length;) {
+
+            const match = (/(?:^| )(?<flag>(?:--[a-z0-9]{3,})|(?:-[a-z]{1,2}))(?:$| )/iu).exec(params[index]);
+            if (!match) {
+                index++;
+                continue;
+            }
+
+            const _flag = match.groups.flag.replace(/--?/u, '');
+            const flag = flags.find((f) => f.name === _flag.toLowerCase());
+            if (!flag) return { error: true, index: 'O_COMMANDHANDLER_UNRECOGNISED_FLAG', params: { flag: _flag } };
+
+            params.splice(index, 1);
+            args[flag.name] = flag.clone(params[index]);
+            params.splice(index, 1);
 
         }
 
+        const options = activeCommand.options.filter((opt) => !opt.flag);
+
+
         return { options: { args, parameters: params }, verbose: true };
 
     }