From ebea47cde84016cd7966534f35a8fa41c5c99d44 Mon Sep 17 00:00:00 2001
From: Spencer Gouw <swyverng55@g.ucla.edu>
Date: Thu, 21 Sep 2023 22:03:46 -0500
Subject: [PATCH] feat: symbol replace and more advanced enum

---
 symbol.ts | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/symbol.ts b/symbol.ts
index fdf8fa0..0539d2e 100644
--- a/symbol.ts
+++ b/symbol.ts
@@ -1,7 +1,37 @@
-export const enum Symbol {
+export enum Symbol {
 	// on parse
 	Newline = "\\nl\\",
 	Tab = "\\tab\\",
 	// on replace
 	CursorEnd = "\\end\\",
 }
+
+export namespace Symbol {
+	export const MAP: Record<string, string> = {
+		[Symbol.Newline]: "\n",
+		[Symbol.Tab]: "\t",
+		[Symbol.CursorEnd]: "",
+	};
+	export function replaceSymbols(inputStr: string): string {
+		const result: string[] = [];
+		let i = 0;
+
+		while (i < inputStr.length) {
+			let found = false;
+			for (const symbol in MAP) {
+				if (inputStr.startsWith(symbol, i)) {
+					result.push(MAP[symbol]);
+					i += symbol.length;
+					found = true;
+					break;
+				}
+			}
+			if (!found) {
+				result.push(inputStr[i]);
+				i++;
+			}
+		}
+
+		return result.join("");
+	}
+}