From 044787e284b6d5d3c0fb0f96a10416664178c9d6 Mon Sep 17 00:00:00 2001
From: hiimgoodpack <hiimgoodpack@hiimgoodpack.hiimgoodpack>
Date: Thu, 31 Dec 2020 16:27:05 -0500
Subject: [PATCH] Partial markdown support

---
 README.md | 10 ++++++-
 index.js  | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 95 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 885f008..38e7520 100644
--- a/README.md
+++ b/README.md
@@ -37,4 +37,12 @@ node index.js <server>
 ## Chat commands
 | Name     | Description                                     |
 | :------: | :---------------------------------------------- |
-| /leave   | Leaves the channel without telling the server   |
\ No newline at end of file
+| /leave   | Leaves the channel without telling the server   |
+| /newline | Any occurance of /newline becomes a new line    |
+
+
+# Tests
+## Markdown
+```
+__Markdown demo:__/newline**Bold and *italics in bold text* and back to bold** and some regular text/newline/newline> I found this software to be extremely helpful!/newline> **Just look at this quote on what this software does:/newline> > This software does something!/newline> > Just look at what this person said:/newline> > > I found this software to be extremely helpful!/newline> > > **Just look at this quote on what the software does:/newline> > > > *Maximum call stack size exceeded*/newline> > > I don't know what else could have been better!**/newline> > - Some random person/newline> I don't know what else could have been better!**/newline- Some random person/newline/newlineTry the software today!/newline
+```
diff --git a/index.js b/index.js
index eb4f788..4a92c64 100644
--- a/index.js
+++ b/index.js
@@ -59,6 +59,90 @@ const hexToRGB = (hex) => {
 	return [(decimal & 0xFF0000) >> 16, (decimal & 0xFF00) >> 8, decimal & 0xFF];
 };
 
+const format = {
+	bold: "\x1b[1m",
+	noBold: "\x1b[22m",
+
+	italics: "\x1b[3m",
+	noItalics: "\x1b[23m",
+
+	quote: "\x1b[7m\x1b[2m",
+	noQuote: "\x1b[27m\x1b[22m",
+
+	underline: "\x1b[4m",
+	noUnderline: "\x1b[24m"
+};
+const toState = (state) => {
+	let result = "";
+	result += format.noQuote;
+	result += state.bold ? format.bold : format.noBold;
+	result += state.italics ? format.italics : format.noItalics;
+	result += state.underline ? format.underline : format.noUnderline;
+	return result;
+};
+const toMarkdown = (text) => {
+	const defaultState = {
+		bold: false,
+		italics: false,
+		underline: false
+	};
+
+	let states = [Object.assign({}, defaultState)];
+	let result = "";
+	let quoteDepth = 0;
+	for (let i = 0; i < text.length; i++) {
+		let state = states[quoteDepth];
+		switch (text[i]) {
+			case "*": {
+				// If bold
+				if (text[i+1] === "*") {
+					state.bold = !state.bold;
+					result += state.bold ? format.bold : format.noBold;
+					i++;
+				} else {
+					state.italics = !state.italics;
+					result += state.italics ? format.italics : format.noItalics;
+				}
+				break;
+			}
+			case ">": {
+				if (text[i+1] === " ") {
+					quoteDepth++;
+					result += toState(defaultState);
+
+					if (!states[quoteDepth])
+						states[quoteDepth] = Object.assign({}, defaultState);
+					result += (quoteDepth%2==1) ? format.quote : format.noQuote;
+					result += " | ";
+					result += toState(states[quoteDepth]);
+					result += (quoteDepth%2==1) ? format.quote : format.noQuote;
+					i++;
+				}
+				break;
+			}
+			case "_": {
+				if (text[i+1] === "_") {
+					state.underline = !state.underline;
+					result += state.underline ? format.underline : format.noUnderline;
+					i++;
+					break;
+				}
+			}
+			case "\n": {
+				if (quoteDepth != 0) {
+					quoteDepth = 0;
+					result += toState(states[0]);
+				}
+			}
+			default: {
+				result += text[i];
+				break;
+			}
+		}
+	}
+	return result;
+};
+
 let user = {};
 
 console.log(`Unofficial brainlet command-line interface
@@ -223,7 +307,7 @@ To leave this category, use '/quit'`);
 				const PS1 = `${getColorCode(hexToRGB(user.color))}${user.name}${resetColorCode} [message currently not sent]: `;
 				socket.onMessage((message) => {
 					if (message.category._id === categoryID) {
-						process.stdout.write(`\r${clearLine}${getColorCode(hexToRGB(message.author.color))}${message.author.username}${resetColorCode}: ${message.content}\n${PS1}`);
+						process.stdout.write(`\r${clearLine}${getColorCode(hexToRGB(message.author.color))}${message.author.username}${resetColorCode}: ${toMarkdown(message.content)}\n${PS1}`);
 					}
 				});
 				let sendMessages = true;
@@ -241,7 +325,7 @@ To leave this category, use '/quit'`);
 								break;
 							}
 
-							socket.send(categoryID, message);
+							socket.send(categoryID, message.replaceAll("/newline", "\n"));
 						}
 					}
 				}