From 894e9d8ddcd19122561c853734feb04d2b8bcd14 Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Wed, 30 Nov 2022 03:26:38 +0000
Subject: Add a method for quickly escaping a tag value.

---
 src/clientprotocol.cpp | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'src/clientprotocol.cpp')

diff --git a/src/clientprotocol.cpp b/src/clientprotocol.cpp
index 8a08eca8c..9a669d12b 100644
--- a/src/clientprotocol.cpp
+++ b/src/clientprotocol.cpp
@@ -69,6 +69,37 @@ const ClientProtocol::SerializedMessage& ClientProtocol::Serializer::SerializeFo
 	return msg.GetSerialized(Message::SerializedInfo(this, MakeTagWhitelist(user, msg.GetTags())));
 }
 
+std::string ClientProtocol::Message::EscapeTag(const std::string& value)
+{
+	std::string ret;
+	ret.reserve(value.size());
+	for (const char& chr : value)
+	{
+		switch (chr)
+		{
+			case ' ':
+				ret.append("\\s");
+				break;
+			case ';':
+				ret.append("\\;");
+				break;
+			case '\\':
+				ret.append("\\\\");
+				break;
+			case '\n':
+				ret.append("\\n");
+				break;
+			case '\r':
+				ret.append("\\r");
+				break;
+			default:
+				ret.push_back(chr);
+				break;
+		}
+	}
+	return ret;
+}
+
 const ClientProtocol::SerializedMessage& ClientProtocol::Message::GetSerialized(const SerializedInfo& serializeinfo) const
 {
 	// First check if the serialized line they're asking for is in the cache
-- 
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