use non-filesystem based way to get function name (#358)

* use non-filesystem based way to get function name

* update test

* better test

Author: philbucher

co_sim_io/sources/code_location.cpp

@@ -14,14 +14,34 @@
 
 // Project includes
 #include "includes/code_location.hpp"
-#include "includes/filesystem_inc.hpp"
 
 namespace CoSimIO {
 namespace Internals {
 
 std::string CodeLocation::GetCleanFileName() const
 {
-    return fs::canonical(fs::path(GetFileName())).lexically_relative(fs::absolute(".")).string();
+    std::string clean_file_name(GetFileName());
+
+    // Replace all backslashes with forward slashes
+    std::size_t start_position = 0;
+    const std::string from_string = "\\";
+    const std::string to_string = "/";
+    while ((start_position = clean_file_name.find(from_string, start_position)) != std::string::npos) {
+        clean_file_name.replace(start_position, from_string.length(), to_string);
+        start_position += to_string.length();
+    }
+
+    // Remove the path up to the co_sim_io root folder
+    std::size_t co_sim_io_root_position = clean_file_name.rfind("/co_sim_io/");
+    if (co_sim_io_root_position != std::string::npos) {
+        clean_file_name.erase(0, co_sim_io_root_position+1);
+        return clean_file_name;
+    }
+    if (co_sim_io_root_position != std::string::npos) {
+        clean_file_name.erase(0, co_sim_io_root_position + 1 );
+    }
+
+    return clean_file_name;
 }
 
 } // namespace Internals

co_sim_io/sources/version.cpp

@@ -24,7 +24,7 @@ int GetMinorVersion() {
 }
 
 std::string GetPatchVersion() {
-    return "0";
+    return "1";
 }
 
 } // namespace CoSimIO

tests/co_sim_io/cpp/test_code_location.cpp

@@ -33,7 +33,7 @@ TEST_SUITE("CodeLocation") {
 TEST_CASE("macro_CO_SIM_IO_CODE_LOCATION")
 {
     auto code_loc = testing_aux_namespace::AuxFunction();
-    CHECK_MESSAGE(code_loc.GetCleanFileName().find(fs::path("co_sim_io/cpp/test_code_location.cpp").make_preferred().string()) != std::string::npos, code_loc.GetCleanFileName()); // must contain at least this
+    CHECK_EQ("co_sim_io/cpp/test_code_location.cpp", code_loc.GetCleanFileName());
     CHECK_EQ(code_loc.GetLineNumber(), 25);
     CHECK_MESSAGE(code_loc.GetCleanFunctionName().find("testing_aux_namespace::AuxFunction") != std::string::npos, code_loc.GetCleanFunctionName()); // must contain at least this
 }