Start of 5.X work

components/tools/cpp_tools.cpp

@@ -0,0 +1,22 @@
+#include "cpp_tools.h"
+#include <cctype>
+#include "tools.h"
+
+std::string trim(const std::string& str) {
+    const size_t first = str.find_first_not_of(' ');
+    if (first == std::string::npos) {
+        // String contains only spaces or is empty
+        return "";
+    }
+    const size_t last = str.find_last_not_of(' ');
+    return str.substr(first, (last - first + 1));
+}
+
+std::string& toLowerStr(std::string& str) {
+    for (auto& c : str) {
+        if (c >= 'A' && c <= 'Z') {
+            c = c - 'A' + 'a';
+        }
+    }
+    return str;
+}