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Function to get files in folder sorted by mtime

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This commit is contained in:
Nat Quayle Nelson
2025-03-01 17:47:40 -06:00
committed by Celtic Minstrel
parent d29093fcd8
commit da55e6f65d
2 changed files with 23 additions and 0 deletions
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6
src/fileio/fileio.hpp
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@@ -9,8 +9,10 @@
#ifndef BOE_FILEIO_HPP
#define BOE_FILEIO_HPP
#include <ctime>
#include <string>
#include <vector>
#include <set>
#include <sstream>
#include <SFML/System/InputStream.hpp>
#include <boost/filesystem/path.hpp>
@@ -27,6 +29,10 @@ bool load_scenario(fs::path file_to_load, cScenario& scenario, bool only_header
fs::path nav_get_or_decode_party();
fs::path nav_put_or_temp_party(fs::path def = "");
const std::set<fs::path> save_extensions = {".exg", ".boe", ".SAV", ".mac"};
// Return a directory's files sorted by last modified time
std::vector<std::pair<fs::path, std::time_t>> sorted_file_mtimes(fs::path dir, std::set<fs::path> valid_extensions = save_extensions);
bool load_party(fs::path file_to_load, cUniverse& univ);
bool save_party(cUniverse& univ, bool save_as = false);

17
src/fileio/fileio_party.cpp
View File

@@ -552,3 +552,20 @@ bool save_party(cUniverse& univ, bool save_as) {
if(univ.file.empty()) return false;
return save_party_const(univ, save_as);
}
static bool compare_mtime(std::pair<fs::path, std::time_t> a, std::pair<fs::path, std::time_t> b) {
return std::difftime(a.second, b.second) > 0;
}
std::vector<std::pair<fs::path, std::time_t>> sorted_file_mtimes(fs::path dir, std::set<fs::path> valid_extensions){
std::vector<std::pair<fs::path, std::time_t>> files;
for(fs::directory_iterator it{dir}; it != fs::directory_iterator{}; ++it) {
fs::path file = *it;
if(valid_extensions.count(file.extension())){
files.push_back(std::make_pair(file, last_write_time(file)));
}
}
std::sort(files.begin(), files.end(), compare_mtime);
return files;
}