add initial Path class

src/core/Path.cc

@@ -0,0 +1,33 @@
+#include "Path.h"
+
+std::string Path::dirname(const std::string & s)
+{
+    size_t pos = s.find_last_of("/\\");
+    if (pos == std::string::npos)
+    {
+        return ".";
+    }
+    if ((pos == 0u) || (pos == 2u && s[1] == ':'))
+    {
+        return std::string(s, 0, pos + 1u);
+    }
+    return std::string(s, 0, pos);
+}
+
+std::string Path::join(const std::string & first, const std::string & second)
+{
+    if (first == "")
+    {
+        return second;
+    }
+    if (second == "")
+    {
+        return first;
+    }
+    char last = first[first.size() - 1u];
+    if ((last == '/') || (last == '\\'))
+    {
+        return first + second;
+    }
+    return first + "/" + second;
+}

src/core/Path.h

@@ -0,0 +1,13 @@
+#ifndef PATH_H
+#define PATH_H
+
+#include <string>
+
+class Path
+{
+public:
+    static std::string dirname(const std::string & s);
+    static std::string join(const std::string & first, const std::string & second);
+};
+
+#endif