Simplify Sieve Parser and added RFC5235

dev/Sieve/Extensions/rfc5230.js

@@ -0,0 +1,90 @@
+/**
+ * https://tools.ietf.org/html/rfc5230
+ */
+
+(Sieve => {
+
+const Grammar = Sieve.Grammar;
+
+class Vacation extends Grammar.Command
+{
+	constructor()
+	{
+		super('vacation');
+		this.arguments = {
+			':days'     : new Grammar.Number,
+			':subject'  : new Grammar.QuotedString,
+			':from'     : new Grammar.QuotedString,
+			':addresses': new Grammar.StringList,
+			':mime'     : false,
+			':handle'   : new Grammar.QuotedString
+		};
+		this.reason = ''; // QuotedString / MultiLine
+//		this.require = 'vacation';
+	}
+
+	toString()
+	{
+		let result = 'vacation';
+		if (0 < this.arguments[':days'].value) {
+			result += ' :days ' + this.arguments[':days'];
+		}
+		if (this.arguments[':subject'].length()) {
+			result += ' :subject ' + this.arguments[':subject'];
+		}
+		if (this.arguments[':from'].length()) {
+			result += ' :from ' + this.arguments[':from'];
+		}
+		if (this.arguments[':addresses'].length) {
+			result += ' :addresses ' + this.arguments[':addresses'];
+		}
+		if (this.arguments[':mime']) {
+			result += ' :mime';
+		}
+		if (this.arguments[':handle'].length()) {
+			result += ' :handle ' + this.arguments[':handle'];
+		}
+		return result + ' ' + this.reason;
+	}
+/*
+	function __get($key)
+	{
+		if ('reason' === $key) {
+			return this.reason;
+		}
+		if (isset(this.arguments[":{$key}"])) {
+			return this.arguments[":{$key}"];
+		}
+	}
+
+	function __set($key, $value)
+	{
+		if ('days' === $key) {
+			this.arguments[":{$key}"] = (int) $value;
+		} else if ('mime' === $key) {
+			this.arguments[":{$key}"] = (bool) $value;
+		} else if ('reason' === $key) {
+			this.reason = (string) $value;
+		} else if ('addresses' !== $key && isset(this.arguments[":{$key}"])) {
+			this.arguments[":{$key}"] = (string) $value;
+		}
+	}
+
+	public function pushArguments(array $args): void
+	{
+		foreach ($args as $i => $arg) {
+			if (\in_array($arg, [':days',':subject',':from',':addresses', ':handle'])) {
+				this.arguments[$arg] = $args[$i+1];
+			} else if (':mime' === $arg) {
+				this.arguments[':mime'] = true;
+			} else if (!isset($args[$i+1])) {
+				this.reason = $arg;
+			}
+		}
+	}
+*/
+}
+
+Sieve.Commands.vacation = Vacation;
+
+})(this.Sieve);