use std::filesystem for C++17

This commit is contained in:
orignal 2024-08-27 21:49:23 -04:00
parent 3ff79038b5
commit ae309ca632
3 changed files with 73 additions and 46 deletions

View File

@ -7,7 +7,6 @@
*/
#include <algorithm>
#include <boost/filesystem.hpp>
#if defined(MAC_OSX)
#include <boost/system/system_error.hpp>
@ -25,6 +24,14 @@
#include "Log.h"
#include "Garlic.h"
#if STD_FILESYSTEM
#include <filesystem>
namespace fs_lib = std::filesystem;
#else
#include <boost/filesystem.hpp>
namespace fs_lib = boost::filesystem;
#endif
namespace i2p {
namespace fs {
std::string appName = "i2pd";
@ -55,13 +62,13 @@ namespace fs {
const std::string GetUTF8DataDir () {
#ifdef _WIN32
#if (BOOST_VERSION >= 108500)
boost::filesystem::path path (dataDir);
fs_lib::path path (dataDir);
#else
boost::filesystem::wpath path (dataDir);
fs_lib::wpath path (dataDir);
#endif
auto loc = boost::filesystem::path::imbue(std::locale( std::locale(), new std::codecvt_utf8_utf16<wchar_t>() ) ); // convert path to UTF-8
auto loc = fs_lib::path::imbue(std::locale( std::locale(), new std::codecvt_utf8_utf16<wchar_t>() ) ); // convert path to UTF-8
auto dataDirUTF8 = path.string();
boost::filesystem::path::imbue(loc); // Return locale settings back
fs_lib::path::imbue(loc); // Return locale settings back
return dataDirUTF8;
#else
return dataDir; // linux, osx, android uses UTF-8 by default
@ -92,9 +99,9 @@ namespace fs {
else
{
#if (BOOST_VERSION >= 108500)
dataDir = boost::filesystem::path(commonAppData).string() + "\\" + appName;
dataDir = fs_lib::path(commonAppData).string() + "\\" + appName;
#else
dataDir = boost::filesystem::wpath(commonAppData).string() + "\\" + appName;
dataDir = fs_lib::wpath(commonAppData).string() + "\\" + appName;
#endif
}
#else
@ -121,13 +128,13 @@ namespace fs {
else
{
#if (BOOST_VERSION >= 108500)
auto execPath = boost::filesystem::path(localAppData).parent_path();
auto execPath = fs_lib::path(localAppData).parent_path();
#else
auto execPath = boost::filesystem::wpath(localAppData).parent_path();
auto execPath = fs_lib::wpath(localAppData).parent_path();
#endif
// if config file exists in .exe's folder use it
if(boost::filesystem::exists(execPath/"i2pd.conf")) // TODO: magic string
if(fs_lib::exists(execPath/"i2pd.conf")) // TODO: magic string
{
dataDir = execPath.string ();
} else // otherwise %appdata%
@ -144,9 +151,9 @@ namespace fs {
else
{
#if (BOOST_VERSION >= 108500)
dataDir = boost::filesystem::path(localAppData).string() + "\\" + appName;
dataDir = fs_lib::path(localAppData).string() + "\\" + appName;
#else
dataDir = boost::filesystem::wpath(localAppData).string() + "\\" + appName;
dataDir = fs_lib::wpath(localAppData).string() + "\\" + appName;
#endif
}
}
@ -169,7 +176,7 @@ namespace fs {
#if defined(ANDROID)
const char * ext = getenv("EXTERNAL_STORAGE");
if (!ext) ext = "/sdcard";
if (boost::filesystem::exists(ext))
if (fs_lib::exists(ext))
{
dataDir = std::string (ext) + "/" + appName;
return;
@ -202,16 +209,16 @@ namespace fs {
}
bool Init() {
if (!boost::filesystem::exists(dataDir))
boost::filesystem::create_directory(dataDir);
if (!fs_lib::exists(dataDir))
fs_lib::create_directory(dataDir);
std::string destinations = DataDirPath("destinations");
if (!boost::filesystem::exists(destinations))
boost::filesystem::create_directory(destinations);
if (!fs_lib::exists(destinations))
fs_lib::create_directory(destinations);
std::string tags = DataDirPath("tags");
if (!boost::filesystem::exists(tags))
boost::filesystem::create_directory(tags);
if (!fs_lib::exists(tags))
fs_lib::create_directory(tags);
else
i2p::garlic::CleanUpTagsFiles ();
@ -219,13 +226,13 @@ namespace fs {
}
bool ReadDir(const std::string & path, std::vector<std::string> & files) {
if (!boost::filesystem::exists(path))
if (!fs_lib::exists(path))
return false;
boost::filesystem::directory_iterator it(path);
boost::filesystem::directory_iterator end;
fs_lib::directory_iterator it(path);
fs_lib::directory_iterator end;
for ( ; it != end; it++) {
if (!boost::filesystem::is_regular_file(it->status()))
if (!fs_lib::is_regular_file(it->status()))
continue;
files.push_back(it->path().string());
}
@ -234,29 +241,38 @@ namespace fs {
}
bool Exists(const std::string & path) {
return boost::filesystem::exists(path);
return fs_lib::exists(path);
}
uint32_t GetLastUpdateTime (const std::string & path)
{
if (!boost::filesystem::exists(path))
if (!fs_lib::exists(path))
return 0;
#if STD_FILESYSTEM
std::error_code ec;
auto t = std::filesystem::last_write_time (path, ec);
if (ec) return 0;
auto sctp = std::chrono::time_point_cast<std::chrono::system_clock::duration>(
t - decltype(t)::clock::now() + std::chrono::system_clock::now());
return std::chrono::system_clock::to_time_t(sctp);
#else
boost::system::error_code ec;
auto t = boost::filesystem::last_write_time (path, ec);
return ec ? 0 : t;
#endif
}
bool Remove(const std::string & path) {
if (!boost::filesystem::exists(path))
if (!fs_lib::exists(path))
return false;
return boost::filesystem::remove(path);
return fs_lib::remove(path);
}
bool CreateDirectory (const std::string& path)
{
if (boost::filesystem::exists(path) && boost::filesystem::is_directory (boost::filesystem::status (path)))
if (fs_lib::exists(path) && fs_lib::is_directory (fs_lib::status (path)))
return true;
return boost::filesystem::create_directory(path);
return fs_lib::create_directory(path);
}
void HashedStorage::SetPlace(const std::string &path) {
@ -264,18 +280,18 @@ namespace fs {
}
bool HashedStorage::Init(const char * chars, size_t count) {
if (!boost::filesystem::exists(root)) {
boost::filesystem::create_directories(root);
if (!fs_lib::exists(root)) {
fs_lib::create_directories(root);
}
for (size_t i = 0; i < count; i++) {
auto p = root + i2p::fs::dirSep + prefix1 + chars[i];
if (boost::filesystem::exists(p))
if (fs_lib::exists(p))
continue;
#if TARGET_OS_SIMULATOR
// ios simulator fs says it is case sensitive, but it is not
boost::system::error_code ec;
if (boost::filesystem::create_directory(p, ec))
if (fs_lib::create_directory(p, ec))
continue;
switch (ec.value()) {
case boost::system::errc::file_exists:
@ -285,7 +301,7 @@ namespace fs {
throw boost::system::system_error( ec, __func__ );
}
#else
if (boost::filesystem::create_directory(p))
if (fs_lib::create_directory(p))
continue; /* ^ throws exception on failure */
#endif
return false;
@ -308,9 +324,9 @@ namespace fs {
void HashedStorage::Remove(const std::string & ident) {
std::string path = Path(ident);
if (!boost::filesystem::exists(path))
if (!fs_lib::exists(path))
return;
boost::filesystem::remove(path);
fs_lib::remove(path);
}
void HashedStorage::Traverse(std::vector<std::string> & files) {
@ -321,12 +337,12 @@ namespace fs {
void HashedStorage::Iterate(FilenameVisitor v)
{
boost::filesystem::path p(root);
boost::filesystem::recursive_directory_iterator it(p);
boost::filesystem::recursive_directory_iterator end;
fs_lib::path p(root);
fs_lib::recursive_directory_iterator it(p);
fs_lib::recursive_directory_iterator end;
for ( ; it != end; it++) {
if (!boost::filesystem::is_regular_file( it->status() ))
if (!fs_lib::is_regular_file( it->status() ))
continue;
const std::string & t = it->path().string();
v(t);

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2020, The PurpleI2P Project
* Copyright (c) 2013-2024, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -15,6 +15,10 @@
#include <sstream>
#include <functional>
#if (!defined(_WIN32) && !TARGET_OS_SIMULATOR && (__cplusplus >= 201703L)) // C++ 17 or higher
# define STD_FILESYSTEM 1
#endif
namespace i2p {
namespace fs {
extern std::string dirSep;

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2023, The PurpleI2P Project
* Copyright (c) 2013-2024, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
@ -15,7 +15,6 @@
#include <condition_variable>
#include <openssl/rand.h>
#include <boost/algorithm/string.hpp>
#include <boost/filesystem.hpp>
#include "Base.h"
#include "util.h"
#include "Identity.h"
@ -27,6 +26,14 @@
#include "AddressBook.h"
#include "Config.h"
#if STD_FILESYSTEM
#include <filesystem>
namespace fs_lib = std::filesystem;
#else
#include <boost/filesystem.hpp>
namespace fs_lib = boost::filesystem;
#endif
namespace i2p
{
namespace client
@ -266,11 +273,11 @@ namespace client
void AddressBookFilesystemStorage::ResetEtags ()
{
LogPrint (eLogError, "Addressbook: Resetting eTags");
for (boost::filesystem::directory_iterator it (etagsPath); it != boost::filesystem::directory_iterator (); ++it)
for (fs_lib::directory_iterator it (etagsPath); it != fs_lib::directory_iterator (); ++it)
{
if (!boost::filesystem::is_regular_file (it->status ()))
if (!fs_lib::is_regular_file (it->status ()))
continue;
boost::filesystem::remove (it->path ());
fs_lib::remove (it->path ());
}
}