diff options
Diffstat (limited to 'src/static/Source.cpp')
-rw-r--r-- | src/static/Source.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/static/Source.cpp b/src/static/Source.cpp new file mode 100644 index 0000000..0bba7c6 --- /dev/null +++ b/src/static/Source.cpp @@ -0,0 +1,42 @@ +#include <iostream> +#include <fstream> +#include <sstream> +#include <vector> + +int main(int argc, char** argv) { + + std::ifstream f; + f.open("out.csv"); /* open file with filename as argument */ + if (!f.is_open()) { /* validate file open for reading */ + std::cerr << "error: file open failed '" << argv[1] << "'.\n"; + return 0; + } + + + std::string line, val; /* string for line & value */ + std::vector<std::vector<int>> array; /* vector of vector<int> */ + + while (std::getline(f, line)) { /* read each line */ + std::vector<int> v; /* row vector v */ + std::stringstream s(line); /* stringstream line */ + while (getline(s, val, ',')) /* get each value (',' delimited) */ + v.push_back(std::stoi(val)); /* add to row vector */ + array.push_back(v); /* add row vector to array */ + } + + std::vector<int> flat_array; /* create 1D vector */ + for (auto& row : array) { /* iterate over rows */ + for (auto& val : row) /* iterate over vals */ + flat_array.push_back(val); /* add to 1D vector */ + } + + int* array1d = flat_array.data(); /* get pointer to data */ + int size = flat_array.size(); /* get size of 1D array */ + + std::ofstream out_file("out.bin", std::ios::binary); /* create binary file */ + out_file.write((char*)&size, sizeof(size)); /* write size of 1D array to file */ + out_file.write((char*)array1d, size * sizeof(int)); /* write 1D array to file */ + out_file.close(); /* close file */ + + return 0; +} |