+Add utility to grab the folder of a file path

code/BaseImporter.cpp

@@ -223,6 +223,19 @@ void BaseImporter::GetExtensionList(std::set<std::string>& extensions)
 	return ret;
 }
 
+// ------------------------------------------------------------------------------------------------
+// Get folder of the file from path
+/*static*/ std::string BaseImporter::GetFolderPath(const std::string& pFile, const char& osSeparator)
+{
+	std::string::size_type pos = pFile.find_last_of(osSeparator);
+
+	// no path at all
+	if (pos == std::string::npos)
+		return "";
+	else
+		return pFile.substr(0, pos + 1);
+}
+
 // ------------------------------------------------------------------------------------------------
 // Check for magic bytes at the beginning of the file.
 /* static */ bool BaseImporter::CheckMagicToken(IOSystem* pIOHandler, const std::string& pFile, 

code/BaseImporter.h

@@ -300,6 +300,17 @@ public: // static utilities
 	static std::string GetExtension (
 		const std::string& pFile);
 
+	// -------------------------------------------------------------------
+	/** @brief Extract folder of the file from a string
+	 *  @param pFile Input file
+	 *  @param osSeparator Directory Separator of the current OS
+	 *  @return path to the files folder
+	 *  @note catch the osSeparator from a IOSystem
+	 */
+	static std::string GetFolderPath(
+		const std::string& pFile,
+		const char& osSeparator);
+
 	// -------------------------------------------------------------------
 	/** @brief Check whether a file starts with one or more magic tokens
 	 *  @param pFile Input file