improved StringUtil algo + some PhysicalMemory work

src/Util/StringUtil.cpp

@@ -0,0 +1,23 @@
+#include "StringUtil.h"
+#include <algorithm>
+#include <sstream>
+#include <string>
+
+namespace StringUtil {
+
+std::vector<std::string> split_string(const std::string &str, char delimiter) {
+    std::stringstream str_stream(str);
+    std::string segment;
+    std::vector<std::string> seglist;
+
+    const size_t num_segments = std::count_if(str.begin(), str.end(), [&](char c) { return c == delimiter; }) + (str.empty() ? 1 : 0);
+
+    seglist.reserve(num_segments);
+
+    while (std::getline(str_stream, segment, delimiter)) {
+        seglist.push_back(segment);
+    }
+    return seglist;
+}
+
+}  // namespace StringUtil

src/Util/StringUtil.h

@@ -4,23 +4,6 @@
 
 namespace StringUtil {
 
-	static std::vector<std::string> split(const std::string& s, char seperator)
-	{
-		std::vector<std::string> output;
+	std::vector<std::string> split_string(const std::string& str, char delimiter);
 
-		std::string::size_type prev_pos = 0, pos = 0;
-
-		while ((pos = s.find(seperator, pos)) != std::string::npos)
-		{
-			std::string substring(s.substr(prev_pos, pos - prev_pos));
-
-			output.push_back(substring);
-
-			prev_pos = ++pos;
-		}
-
-		output.push_back(s.substr(prev_pos, pos - prev_pos)); // Last word
-
-		return output;
-	}
 }