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//
// Path_WIN32.cpp
//
// Library: Foundation
// Package: Filesystem
// Module: Path
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Path_WIN32.h"
#include "Poco/Environment_WIN32.h"
#include "Poco/UnWindows.h"
namespace Poco {
std::string PathImpl::currentImpl()
{
char buffer[MAX_PATH];
DWORD n = GetCurrentDirectoryA(sizeof(buffer), buffer);
if (n > 0 && n < sizeof(buffer))
{
std::string result(buffer, n);
if (result[n - 1] != '\\')
result.append("\\");
return result;
}
else throw SystemException("Cannot get current directory");
}
std::string PathImpl::systemImpl()
{
char buffer[MAX_PATH];
DWORD n = GetSystemDirectoryA(buffer, sizeof(buffer));
if (n > 0 && n < sizeof(buffer))
{
std::string result(buffer, n);
if (result[n - 1] != '\\')
result.append("\\");
return result;
}
else throw SystemException("Cannot get system directory");
}
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 not 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 not 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()
{
char buffer[MAX_PATH];
DWORD n = GetTempPathA(sizeof(buffer), buffer);
if (n > 0 && n < sizeof(buffer))
{
n = GetLongPathNameA(buffer, buffer, static_cast<DWORD>(sizeof buffer));
if (n <= 0) throw SystemException("Cannot get temporary directory long path name");
std::string result(buffer, n);
if (result[n - 1] != '\\')
result.append("\\");
return result;
}
else throw SystemException("Cannot get temporary directory");
}
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)
{
char buffer[MAX_PATH];
DWORD n = ExpandEnvironmentStringsA(path.c_str(), buffer, sizeof(buffer));
if (n > 0 && n < sizeof(buffer))
return std::string(buffer, n - 1);
else
return path;
}
void PathImpl::listRootsImpl(std::vector<std::string>& roots)
{
roots.clear();
char buffer[128];
DWORD n = GetLogicalDriveStrings(sizeof(buffer) - 1, buffer);
char* it = buffer;
char* end = buffer + (n > sizeof(buffer) ? sizeof(buffer) : n);
while (it < end)
{
std::string dev;
while (it < end && *it) dev += *it++;
roots.push_back(dev);
++it;
}
}
} // namespace Poco
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