Add string based constructors for UPM sensors

Signed-off-by: Mihai Stefanescu <mihai.stefanescu@rinftech.com>
Signed-off-by: Stefan Andritoiu <stefan.andritoiu@gmail.com>

include/upm_string_parser.hpp

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+// NOTE: A Logging mechanism for the whole library should be implemenented.
+#include <iostream>
+
+namespace upm {
+  class UpmStringParser {
+  public:
+      static std::vector<std::string> parse(std::string initStr, std::string delim = ",") {
+          if (initStr.empty()) {
+            std::cout << "parse(): NULL or empty string given as argument." << std::endl;
+            return {};
+          }
+
+          std::vector<std::string> strTokens;
+          size_t start = 0;
+          size_t end = initStr.find(delim);
+
+          while (end != std::string::npos) {
+              strTokens.push_back(initStr.substr(start, end - start));
+              start = end + delim.length();
+              end = initStr.find(delim, start);
+          }
+          strTokens.push_back(initStr.substr(start, end));
+
+          for (auto i : strTokens)
+            std::cout << i << " ";
+          std::cout << std::endl;
+
+          return strTokens;
+      }
+  };
+}