mirror of
https://github.com/Detanup01/gbe_fork.git
synced 2024-11-27 13:14:01 +08:00
310 lines
8.5 KiB
C++
310 lines
8.5 KiB
C++
#include "common_helpers/common_helpers.hpp"
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#include <fstream>
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#include <cwchar>
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#include <algorithm>
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#include <thread>
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#include <cctype>
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static bool create_dir_impl(std::filesystem::path &dirpath)
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{
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if (std::filesystem::is_directory(dirpath))
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{
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return true;
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}
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else if (std::filesystem::exists(dirpath)) // a file, we can't do anything
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{
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return false;
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}
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return std::filesystem::create_directories(dirpath);
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}
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bool common_helpers::create_dir(const std::string &filepath)
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{
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std::filesystem::path parent = std::filesystem::path(filepath).parent_path();
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return create_dir_impl(parent);
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}
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bool common_helpers::create_dir(const std::wstring &filepath)
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{
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std::filesystem::path parent = std::filesystem::path(filepath).parent_path();
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return create_dir_impl(parent);
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}
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void common_helpers::write(std::ofstream &file, const std::string &data)
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{
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if (!file.is_open()) {
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return;
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}
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file << data << std::endl;
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}
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std::wstring common_helpers::str_to_w(const std::string &str)
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{
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if (str.empty()) return std::wstring();
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auto cvt_state = std::mbstate_t();
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const char* src = &str[0];
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size_t conversion_bytes = std::mbsrtowcs(nullptr, &src, 0, &cvt_state);
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std::wstring res(conversion_bytes + 1, L'\0');
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std::mbsrtowcs(&res[0], &src, res.size(), &cvt_state);
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return res.substr(0, conversion_bytes);
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}
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std::string common_helpers::wstr_to_a(const std::wstring &wstr)
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{
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if (wstr.empty()) return std::string();
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auto cvt_state = std::mbstate_t();
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const wchar_t* src = &wstr[0];
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size_t conversion_bytes = std::wcsrtombs(nullptr, &src, 0, &cvt_state);
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std::string res(conversion_bytes + 1, '\0');
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std::wcsrtombs(&res[0], &src, res.size(), &cvt_state);
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return res.substr(0, conversion_bytes);
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}
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bool common_helpers::starts_with_i(const std::string &target, const std::string &query)
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{
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return starts_with_i(str_to_w(target), str_to_w(query));
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}
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bool common_helpers::starts_with_i(const std::wstring &target, const std::wstring &query)
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{
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if (target.size() < query.size()) {
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return false;
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}
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auto _target = std::wstring(target);
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auto _query = std::wstring(query);
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std::transform(_target.begin(), _target.end(), _target.begin(),
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[](wchar_t c) { return std::tolower(c); });
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std::transform(_query.begin(), _query.end(), _query.begin(),
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[](wchar_t c) { return std::tolower(c); });
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return _target.compare(0, _query.length(), _query) == 0;
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}
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bool common_helpers::ends_with_i(const std::string &target, const std::string &query)
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{
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return ends_with_i(str_to_w(target), str_to_w(query));
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}
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bool common_helpers::ends_with_i(const std::wstring &target, const std::wstring &query)
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{
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if (target.size() < query.size()) {
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return false;
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}
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auto _target = std::wstring(target);
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auto _query = std::wstring(query);
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std::transform(_target.begin(), _target.end(), _target.begin(),
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[](wchar_t c) { return std::tolower(c); });
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std::transform(_query.begin(), _query.end(), _query.begin(),
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[](wchar_t c) { return std::tolower(c); });
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return _target.compare(_target.length() - _query.length(), _query.length(), _query) == 0;
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}
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std::string common_helpers::string_strip(const std::string& str)
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{
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static constexpr const char whitespaces[] = " \t\r\n";
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size_t start = str.find_first_not_of(whitespaces);
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size_t end = str.find_last_not_of(whitespaces);
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if (start == std::string::npos) return {};
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if (start == end) {
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auto c = str[start];
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for (auto c_white = whitespaces; *c_white; ++c_white) {
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if (c == *c_white) return {};
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}
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}
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return str.substr(start, end - start + 1);
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}
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std::string common_helpers::uint8_vector_to_hex_string(const std::vector<uint8_t>& v)
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{
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std::string result{};
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result.reserve(v.size() * 2); // two digits per character
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static constexpr const char hex[] = "0123456789ABCDEF";
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for (uint8_t c : v)
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{
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result.push_back(hex[c / 16]);
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result.push_back(hex[c % 16]);
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}
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return result;
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}
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bool common_helpers::str_cmp_insensitive(const std::string &str1, const std::string &str2)
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{
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if (str1.size() != str2.size()) return false;
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return std::equal(str1.begin(), str1.end(), str2.begin(), [](const char c1, const char c2){
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return std::toupper(c1) == std::toupper(c2);
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});
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}
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std::string common_helpers::ascii_to_lowercase(std::string data) {
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std::transform(data.begin(), data.end(), data.begin(),
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[](char c){ return std::tolower(c); });
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return data;
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}
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void common_helpers::thisThreadYieldFor(std::chrono::microseconds u)
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{
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const auto start = std::chrono::high_resolution_clock::now();
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const auto end = start + u;
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do {
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std::this_thread::yield();
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} while (std::chrono::high_resolution_clock::now() < end);
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}
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void common_helpers::consume_bom(std::ifstream &input)
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{
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if (!input.is_open()) return;
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auto pos = input.tellg();
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int bom[3]{};
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bom[0] = input.get();
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bom[1] = input.get();
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bom[2] = input.get();
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if (bom[0] != 0xEF || bom[1] != 0xBB || bom[2] != 0xBF) {
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input.clear();
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input.seekg(pos, std::ios::beg);
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}
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}
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std::string common_helpers::to_lower(std::string str)
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{
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std::string _str(str.size(), '\0');
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std::transform(str.begin(), str.end(), _str.begin(), [](char c) { return std::tolower(c); });
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return _str;
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}
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std::wstring common_helpers::to_lower(std::wstring wstr)
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{
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std::wstring _wstr(wstr.size(), '\0');
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std::transform(wstr.begin(), wstr.end(), _wstr.begin(), [](wchar_t c) { return std::tolower(c); });
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return _wstr;
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}
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std::string common_helpers::to_upper(std::string str)
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{
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std::string _str(str.size(), '\0');
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std::transform(str.begin(), str.end(), _str.begin(), [](char c) { return std::toupper(c); });
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return _str;
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}
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std::wstring common_helpers::to_upper(std::wstring wstr)
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{
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std::wstring _wstr(wstr.size(), '\0');
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std::transform(wstr.begin(), wstr.end(), _wstr.begin(), [](wchar_t c) { return std::toupper(c); });
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return _wstr;
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}
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static std::filesystem::path to_absolute_impl(const std::filesystem::path &path, const std::filesystem::path &base)
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{
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if (path.is_absolute()) {
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return path;
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}
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return std::filesystem::absolute(base / path);
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}
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std::string common_helpers::to_absolute(const std::string &path, const std::string &base)
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{
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if (path.empty()) return path;
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auto path_abs = to_absolute_impl(
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std::filesystem::path(path),
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base.empty() ? std::filesystem::current_path() : std::filesystem::path(base)
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);
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return path_abs.u8string();
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}
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std::wstring common_helpers::to_absolute(const std::wstring &path, const std::wstring &base)
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{
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if (path.empty()) return path;
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auto path_abs = to_absolute_impl(
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std::filesystem::path(path),
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base.empty() ? std::filesystem::current_path() : std::filesystem::path(base)
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);
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return path_abs.wstring();
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}
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bool common_helpers::file_exist(const std::filesystem::path &filepath)
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{
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if (std::filesystem::is_directory(filepath)) {
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return false;
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} else if (std::filesystem::exists(filepath)) {
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return true;
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}
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return false;
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}
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bool common_helpers::file_exist(const std::string &filepath)
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{
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if (filepath.empty()) return false;
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std::filesystem::path path(filepath);
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return file_exist(path);
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}
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bool common_helpers::file_exist(const std::wstring &filepath)
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{
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if (filepath.empty()) return false;
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std::filesystem::path path(filepath);
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return file_exist(path);
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}
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bool common_helpers::file_size(const std::filesystem::path &filepath, size_t &size)
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{
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if (common_helpers::file_exist(filepath)) {
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size = std::filesystem::file_size(filepath);
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return true;
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}
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return false;
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}
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bool common_helpers::file_size(const std::string &filepath, size_t &size)
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{
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const auto file_p = std::filesystem::path(filepath);
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return file_size(file_p, size);
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}
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bool common_helpers::file_size(const std::wstring &filepath, size_t &size)
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{
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const auto file_p = std::filesystem::path(filepath);
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return file_size(file_p, size);
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}
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bool common_helpers::dir_exist(const std::filesystem::path &dirpath)
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{
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if (std::filesystem::is_directory(dirpath)) {
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return true;
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}
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return false;
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}
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bool common_helpers::dir_exist(const std::string &dirpath)
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{
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if (dirpath.empty()) return false;
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std::filesystem::path path(dirpath);
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return dir_exist(path);
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}
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bool common_helpers::dir_exist(const std::wstring &dirpath)
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{
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if (dirpath.empty()) return false;
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std::filesystem::path path(dirpath);
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return dir_exist(path);
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}
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