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//
// Path_WIN32U.cpp
//
// Library: Foundation
// Package: Filesystem
// Module: Path
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Path_WIN32U.h"
#include "Poco/Environment_WIN32.h"
#include "Poco/UnicodeConverter.h"
#include "Poco/Buffer.h"
#include "Poco/Exception.h"
#include "Poco/UnWindows.h"
namespace Poco {
std::string PathImpl::currentImpl()
{
std::string result;
DWORD len = GetCurrentDirectoryW(0, NULL);
if (len > 0)
{
Buffer<wchar_t> buffer(len);
DWORD n = GetCurrentDirectoryW(len, buffer.begin());
if (n > 0 && n <= len)
{
UnicodeConverter::toUTF8(buffer.begin(), result);
if (result[result.size() - 1] != '\\')
result.append("\\");
return result;
}
}
throw SystemException("Cannot get current directory");
}
std::string PathImpl::systemImpl()
{
Buffer<wchar_t> buffer(MAX_PATH_LEN);
DWORD n = GetSystemDirectoryW(buffer.begin(), static_cast<DWORD>(buffer.size()));
if (n > 0)
{
n = GetLongPathNameW(buffer.begin(), buffer.begin(), static_cast<DWORD>(buffer.size()));
if (n <= 0) throw SystemException("Cannot get system directory long path name");
std::string result;
UnicodeConverter::toUTF8(buffer.begin(), result);
if (result[result.size() - 1] != '\\') result.append("\\");
return result;
}
throw SystemException("Cannot get temporary directory path");
}
std::string PathImpl::homeImpl()
{
std::string result;
if (EnvironmentImpl::hasImpl("USERPROFILE"))
{
result = EnvironmentImpl::getImpl("USERPROFILE");
}
else if (EnvironmentImpl::hasImpl("HOMEDRIVE") && EnvironmentImpl::hasImpl("HOMEPATH"))
{
result = EnvironmentImpl::getImpl("HOMEDRIVE");
result.append(EnvironmentImpl::getImpl("HOMEPATH"));
}
else
{
result = systemImpl();
}
std::string::size_type n = result.size();
if (n > 0 && result[n - 1] != '\\')
result.append("\\");
return result;
}
std::string PathImpl::configHomeImpl()
{
std::string result;
// if APPDATA environment variable no exist, return home directory instead
try
{
result = EnvironmentImpl::getImpl("APPDATA");
}
catch (NotFoundException&)
{
result = homeImpl();
}
std::string::size_type n = result.size();
if (n > 0 && result[n - 1] != '\\')
result.append("\\");
return result;
}
std::string PathImpl::dataHomeImpl()
{
std::string result;
// if LOCALAPPDATA environment variable no exist, return config home instead
try
{
result = EnvironmentImpl::getImpl("LOCALAPPDATA");
}
catch (NotFoundException&)
{
result = configHomeImpl();
}
std::string::size_type n = result.size();
if (n > 0 && result[n - 1] != '\\')
result.append("\\");
return result;
}
std::string PathImpl::cacheHomeImpl()
{
return tempImpl();
}
std::string PathImpl::tempHomeImpl()
{
return tempImpl();
}
std::string PathImpl::tempImpl()
{
Buffer<wchar_t> buffer(MAX_PATH_LEN);
DWORD n = GetTempPathW(static_cast<DWORD>(buffer.size()), buffer.begin());
if (n > 0)
{
n = GetLongPathNameW(buffer.begin(), buffer.begin(), static_cast<DWORD>(buffer.size()));
if (n <= 0) throw SystemException("Cannot get temporary directory long path name");
std::string result;
UnicodeConverter::toUTF8(buffer.begin(), result);
if (result[result.size() - 1] != '\\')
result.append("\\");
return result;
}
throw SystemException("Cannot get temporary directory path");
}
std::string PathImpl::configImpl()
{
std::string result;
// if PROGRAMDATA environment variable not exist, return system directory instead
try
{
result = EnvironmentImpl::getImpl("PROGRAMDATA");
}
catch (NotFoundException&)
{
result = systemImpl();
}
std::string::size_type n = result.size();
if (n > 0 && result[n - 1] != '\\')
result.append("\\");
return result;
}
std::string PathImpl::nullImpl()
{
return "NUL:";
}
std::string PathImpl::expandImpl(const std::string& path)
{
std::wstring upath;
UnicodeConverter::toUTF16(path, upath);
Buffer<wchar_t> buffer(MAX_PATH_LEN);
DWORD n = ExpandEnvironmentStringsW(upath.c_str(), buffer.begin(), static_cast<DWORD>(buffer.size()));
if (n > 0 && n < buffer.size() - 1)
{
buffer[n + 1] = 0;
std::string result;
UnicodeConverter::toUTF8(buffer.begin(), result);
return result;
}
else return path;
}
void PathImpl::listRootsImpl(std::vector<std::string>& roots)
{
roots.clear();
wchar_t buffer[128];
DWORD n = GetLogicalDriveStringsW(sizeof(buffer)/sizeof(wchar_t) - 1, buffer);
wchar_t* it = buffer;
wchar_t* end = buffer + (n > sizeof(buffer) ? sizeof(buffer) : n);
while (it < end)
{
std::wstring udev;
while (it < end && *it) udev += *it++;
std::string dev;
UnicodeConverter::toUTF8(udev, dev);
roots.push_back(dev);
++it;
}
}
} // namespace Poco
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