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// Convert a Cadabra .cnb notebook to a Jupyter notebook. input file to pure Python .py, by doing the
// pre-processing stage.
#include <iostream>
#include <CdbPython.hh>
#include <fstream>
#include "nlohmann/json.hpp"
#include "DataCell.hh"
int main(int argc, char **argv)
{
if(argc<2) {
std::cerr << "Usage: cadabra2ipynb [cadabra notebook] [jupyter notebook]\n\n";
std::cerr << "Convert a Cadabra notebook to a Jupyter notebook.\n"
<< "If the Jupyter notebook name is not given, output goes to standard out.\n";
return -1;
}
std::string cdb_file, python_file;
int n=1;
while(n<argc) {
if(cdb_file=="")
cdb_file=argv[n];
else
python_file=argv[n];
++n;
}
auto from=cdb_file.find_last_of("/");
++from;
auto to =cdb_file.find_last_of(".");
std::string t=cdb_file.substr(from, to-from);
t[0]=toupper(t[0]);
std::string title="Cadabra manual: "+t;
std::ifstream file(cdb_file);
if(!file.is_open()) {
std::cerr << "cadabra2ipynb: failed to open " << cdb_file << std::endl;
return -1;
}
nlohmann::json content;
file >> content;
auto python = cadabra::cnb2ipynb(content);
if(python_file!="") {
std::ofstream pythonfile(python_file);
pythonfile << python.dump(3);
}
else {
std::cout << python.dump(3);
}
return 0;
}
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