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SHVistaPathMap.hpp
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SHVistaPathMap.hpp
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#ifndef SHVISTAPATHMAP_HPP_
#define SHVISTAPATHMAP_HPP_ 2 // Version 2
#ifndef _INC_WINDOWS
#include <windows.h>
#endif
#include <shlobj.h>
#include <map>
#include <string>
#include <cassert>
class SHVistaPathMap
{
public:
typedef std::map<std::wstring, std::wstring> to_localized_t;
typedef std::map<std::wstring, std::wstring> from_localized_t;
to_localized_t m_to_localized;
from_localized_t m_from_localized;
SHVistaPathMap()
{
}
explicit SHVistaPathMap(HWND hwnd)
{
init(hwnd);
}
void init(HWND hwnd)
{
m_to_localized.clear();
m_from_localized.clear();
WCHAR szPath[MAX_PATH], szLocalized[MAX_PATH];
for (INT csidl = 0; csidl < 0x40; ++csidl)
{
if (!SHGetSpecialFolderPathW(hwnd, szPath, csidl, FALSE))
continue;
WCHAR szMod[MAX_PATH], szExpanded[MAX_PATH];
INT nResID;
HRESULT hr = SHGetLocalizedName(szPath, szMod, ARRAYSIZE(szMod), &nResID);
if (FAILED(hr))
continue;
ExpandEnvironmentStringsW(szMod, szExpanded, ARRAYSIZE(szExpanded));
if (HMODULE hMod = LoadLibraryExW(szExpanded, NULL, LOAD_LIBRARY_AS_DATAFILE))
{
if (LoadStringW(hMod, nResID, szLocalized, ARRAYSIZE(szLocalized)))
{
m_to_localized[szPath] = szLocalized;
m_from_localized[szLocalized] = szPath;
}
FreeLibrary(hMod);
}
}
}
std::wstring get_localized(const std::wstring& path) const
{
assert(m_to_localized.size()); // must be initialized by init
auto it = m_to_localized.find(path);
if (it != m_to_localized.end())
return it->second;
return path;
}
std::wstring get_unlocalized(const std::wstring& localized) const
{
assert(m_from_localized.size()); // must be initialized by init
auto it = m_from_localized.find(localized);
if (it != m_from_localized.end())
return it->second;
return localized;
}
std::wstring operator()(const std::wstring& localized) const
{
return get_localized(localized);
}
};
inline void SHVistaPathMap_unittest(void)
{
HWND hwnd = NULL;
SHVistaPathMap map(hwnd);
WCHAR szPath[MAX_PATH];
INT csidl = CSIDL_PERSONAL;
SHGetSpecialFolderPathW(hwnd, szPath, csidl, FALSE);
std::wstring localized = map.get_localized(szPath);
MessageBoxW(hwnd, localized.c_str(), L"Test #0", MB_ICONINFORMATION);
std::wstring unlocalized = map.get_unlocalized(localized);
MessageBoxW(hwnd, unlocalized.c_str(), L"Test #1", MB_ICONINFORMATION);
}
#endif // ndef SHVISTAPATHMAP_HPP_