64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
#include "config.hpp"
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#include "record.hpp"
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#include "sort.cpp"
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#include "writer.hpp"
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#include <fstream>
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#include <iostream>
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#include <sys/stat.h>
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#include <sys/types.h>
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void generate_file(int N, const std::string& filename)
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{
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std::ofstream out_stream(filename);
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Writer output(out_stream);
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for (int i = 0; i < N; i++) {
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Record rec = Record::random();
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output.write(rec);
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}
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}
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void read_and_evaluate(std::string filename, int n)
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{
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Buffer main_buffer(n);
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auto buff = main_buffer.divide(1)[0];
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std::ifstream in_stream(filename);
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Reader input_reader(in_stream);
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while (true) {
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size_t records_read = read_chunk(input_reader, buff);
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if (records_read == 0) {
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break;
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}
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for (size_t i = 0; i < records_read; ++i) {
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const Record& rec = buff[i];
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std::cout << "[Evaluate i = " << i << ": " << rec.evaluate() << "] " << rec << "\n";
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}
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}
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}
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int main(int argc, char** argv)
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{
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try {
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Configuration opts = Configuration::parse_args(argc, argv);
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if (opts.generate_data) {
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generate_file(opts.N, opts.output_file);
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return 0;
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}
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if (opts.evaluate_file) {
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read_and_evaluate(opts.input_file, opts.N);
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return 0;
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}
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sort_file(opts);
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} catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << '\n';
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return 1;
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}
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}
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