bronku/file_sorting
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bronku 2025-11-17 08:26:23 +01:00
parent 9e9260c84d
commit 918c1cba78
18 changed files with 379 additions and 356 deletions
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67
src/main.cpp
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@ -1,19 +1,16 @@
#include "config.hpp"
#include "record.hpp"
#include "sort.cpp"
#include "writer.hpp"
#include <fstream>
#include "../include/config.hpp"
#include "../include/file_reader.hpp"
#include "../include/file_writer.hpp"
#include "../include/merge_sorter.hpp"
#include "../include/record.hpp"
#include <iostream>
#include <string>
#include <sys/stat.h>
#include <sys/types.h>
void generate_file(int N, const std::string& filename)
{
std::filesystem::path dirPath = std::filesystem::path(filename).parent_path();
std::filesystem::create_directories(dirPath);
std::ofstream out_stream(filename);
Writer output(out_stream);
FileWriter output(filename);
for (int i = 0; i < N; i++) {
Record rec = Record::random();
@ -21,47 +18,33 @@ void generate_file(int N, const std::string& filename)
}
}
void read_and_evaluate(std::string filename, int n)
void read_and_evaluate(std::string filename)
{
Buffer main_buffer(n);
auto buff = main_buffer.divide(1)[0];
std::ifstream in_stream(filename);
Reader input_reader(in_stream);
FileReader input(filename);
while (true) {
size_t records_read = read_chunk(input_reader, buff);
if (records_read == 0) {
break;
auto rec = input.read();
if (!rec.has_value()) {
return;
}
for (size_t i = 0; i < records_read; ++i) {
const Record& rec = buff[i];
std::cout << "[Evaluate i = " << i << ": " << rec.evaluate() << "] " << rec << "\n";
}
std::cout << "[Evaluate: " << rec.value().evaluate() << "] " << rec.value() << "\n";
}
}
int main(int argc, char** argv)
{
try {
Configuration opts = Configuration::parse_args(argc, argv);
Configuration opts(argc, argv);
if (opts.generate_data) {
generate_file(opts.N, opts.output_file);
return 0;
}
if (opts.evaluate_file) {
read_and_evaluate(opts.input_file, opts.N);
return 0;
}
sort_file(opts);
} catch (const std::exception& e) {
std::cerr << "Error: " << e.what() << '\n';
return 1;
if (opts.generate_data) {
generate_file(opts.N, opts.output_file);
return 0;
}
if (opts.evaluate_file) {
read_and_evaluate(opts.input_file);
return 0;
}
MergeSorter sorter(opts.b, opts.n, opts.tmp_dir);
sorter.sort_file(opts.input_file, opts.output_file);
}