common: added function to split a string to a vector by using a delimiter

src/common.cpp

@@ -19,3 +19,23 @@ const std::string get_shell_env_var(const char* key,
 	const char* ret = std::getenv(key);
 	return std::string(ret ? ret : def_val);
 }
+
+/*!
+ * \brief convert a string, separate by delim to a vector
+ * \param[in] in: string to split
+ * \param[in] delim: split caracter
+ * \return vector a substring
+ */
+const std::vector<std::string> splitString(const std::string& in,
+		const char delim) noexcept {
+	std::vector<std::string> tokens;
+	size_t start = 0, end = 0;
+
+	while ((end = in.find(',', start)) != std::string::npos) {
+		tokens.push_back(in.substr(start, end - start));
+		start = end + 1;
+	}
+
+	tokens.push_back(in.substr(start)); // Add the last token
+	return tokens;
+}

src/common.hpp

@@ -17,4 +17,13 @@
 const std::string get_shell_env_var(const char* key,
 	const char *def_val="") noexcept;
 
+/*!
+ * \brief convert a string, separate by delim to a vector
+ * \param[in] in: string to split
+ * \param[in] delim: split caracter
+ * \return vector a substring
+ */
+const std::vector<std::string> splitString(const std::string& in,
+	const char delim) noexcept;
+
 #endif  // SRC_COMMON_HPP_