From 9667b814387cdbec832dd45fd767d0d134e90194 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 13 Oct 2024 10:16:17 +0300
Subject: [PATCH] fix: string literal line separator escape

---
 src/coders/commons.cpp | 2 +-
 src/coders/toml.cpp    | 4 +++-
 test/coders/toml.cpp   | 3 ++-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/coders/commons.cpp b/src/coders/commons.cpp
index 5c05626b..b79dc14e 100644
--- a/src/coders/commons.cpp
+++ b/src/coders/commons.cpp
@@ -370,7 +370,7 @@ std::string BasicParser::parseString(char quote, bool closeRequired) {
                 case '"': ss << '"'; break;
                 case '\\': ss << '\\'; break;
                 case '/': ss << '/'; break;
-                case '\n': pos++; continue;
+                case '\n': continue;
                 default:
                     throw error(
                         "'\\" + std::string({c}) + "' is an illegal escape"
diff --git a/src/coders/toml.cpp b/src/coders/toml.cpp
index 08e65720..b41269e8 100644
--- a/src/coders/toml.cpp
+++ b/src/coders/toml.cpp
@@ -26,6 +26,8 @@ class TomlReader : BasicParser {
         }
     }
 
+    // modified version of BaseParser.parseString
+    // todo: extract common part
     std::string parseMultilineString() {
         pos += 2;
         char next = peek();
@@ -57,7 +59,7 @@ class TomlReader : BasicParser {
                     case '"': ss << '"'; break;
                     case '\\': ss << '\\'; break;
                     case '/': ss << '/'; break;
-                    case '\n': pos++; continue;
+                    case '\n': continue;
                     default:
                         throw error(
                             "'\\" + std::string({c}) + "' is an illegal escape"
diff --git a/test/coders/toml.cpp b/test/coders/toml.cpp
index f9c189db..a45e5286 100644
--- a/test/coders/toml.cpp
+++ b/test/coders/toml.cpp
@@ -73,7 +73,8 @@ inline std::string SRC_EXAMPLE =
     "\n"
     "[servers.beta]\n"
     "ip = \"10.0.0.2\"\n"
-    "role = \"\"\"backend\"\"\"";
+    "role = \"\"\"back\\\n"
+    "end\"\"\"";
 
 TEST(TOML, ExampleCode) {
     try {