src: Move certain headers in common

src/common/string_util.cpp

@@ -0,0 +1,23 @@
+#include <algorithm>
+#include <sstream>
+#include <string>
+#include "common/string_util.h"
+
+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