update stringUtils

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;
 }

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