It is a small header-only C++ library which is supposed to help people to start converting their legacy Fortran code to C++. The library reads a text file or lists of strings formatted according to Fortran NAMELIST I/O style, and generates a YAML::Node (a hash table) containing retrieved information.
Make sure that you have yaml-cpp installed
The library throws the following exceptions in case of a failure during a convertion:
fty::exception::FileException
fty::exception::CriticalTextBlockException
fty::exception::CriticalKeyValueError
The library offers several base policies for storing keys in a generated hash table due to issues related to the case sensitivity.
| Name | Description |
|---|---|
| AsOriginal | stores keys as it is given in an input file/list |
| AsUppercase | converts all keys to upper-case |
| AsLowercase | converts all keys to lower-case |
If none of the policies fit to your particular problem you can provide yours by defining and providing a class to either fty::Loader or fty::Converter
struct MyPolicy {
std::string apply(const std::string& String) {
std::string ConvertedString(String.size(), '\0');
// your code is here
return ConvertedString;
}
};
fty::Loader<MyPolicy> Loader{};
#include "Fty.hpp"
#include <iostream>
#include <cstdlib>
int main(int Argc, char *Argv[]) {
if (Argc != 2) {
std::cerr << "Error: Please, provide an input file\n";
std::cerr << "Example: fty-converter [input file path]\n";
exit(EXIT_FAILURE);
}
std::string FileName = Argv[1];
fty::Loader<fty::AsLowercase> Loader{};
try {
YAML::Node Params = Loader.load(FileName);
std::cout << Params;
}
catch (const fty::exception::FileException& Error) {
std::cerr << Error.what() << std::endl;
}
catch (const std::exception& Error) {
std::cerr << Error.what() << std::endl;
throw Error;
}
return 0;
}
See CMakeLists.txt as an example of compiling
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