From 7e82d7e05c43a22d7662ca109f534ea6dc26cac1 Mon Sep 17 00:00:00 2001
From: zhaohe <h_zhaohe@163.com>
Date: Thu, 1 Jun 2023 14:19:45 +0800
Subject: [PATCH] update stringUtils

---
 core/components/stringutils.cpp | 27 +++++++++++++++++++++++++++
 core/components/stringutils.hpp |  2 ++
 2 files changed, 29 insertions(+)

diff --git a/core/components/stringutils.cpp b/core/components/stringutils.cpp
index becd10d..ee473a4 100644
--- a/core/components/stringutils.cpp
+++ b/core/components/stringutils.cpp
@@ -139,4 +139,31 @@ string StringUtils::bytet2BinaryBigEnd(uint32_t value, int bitCount, bool remote
     }
   }
   return ret;
+}
+
+string StringUtils::escapeSequence(const string& raw_str) {
+  string escaped_str;
+  for (const char& ch : raw_str) {
+    switch (ch) {
+      case '\n':
+        escaped_str.append("\\n");
+        break;
+      case '\r':
+        escaped_str.append("\\r");
+        break;
+      case '\t':
+        escaped_str.append("\\t");
+        break;
+      case '\"':
+        escaped_str.append("\\\"");
+        break;
+      case '\\':
+        escaped_str.append("\\\\");
+        break;
+      default:
+        escaped_str.push_back(ch);
+        break;
+    }
+  }
+  return escaped_str;
 }
\ No newline at end of file
diff --git a/core/components/stringutils.hpp b/core/components/stringutils.hpp
index 1b92331..0cc7dd7 100644
--- a/core/components/stringutils.hpp
+++ b/core/components/stringutils.hpp
@@ -63,6 +63,8 @@ class StringUtils {
    */
   string bytet2Binary(uint32_t value, int bitCount, bool remoteZero = true);
   string bytet2BinaryBigEnd(uint32_t value, int bitCount, bool remoteZero = true);
+
+  string escapeSequence(const string& raw_str);
 };
 
 }  // namespace core