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#include "PlatformUtils.h"
#include "printutils.h"
#include <windows.h>
#ifndef _WIN32_IE
#define _WIN32_IE 0x0501 // SHGFP_TYPE_CURRENT
#endif
#include <shlobj.h>
// convert from windows api w_char strings (usually utf16) to utf8 std::string
std::string winapi_wstr_to_utf8( std::wstring wstr )
{
UINT CodePage = CP_UTF8;
DWORD dwFlags = 0;
LPCWSTR lpWideCharStr = &wstr[0];
int cchWideChar = (int)wstr.size();
LPSTR lpMultiByteStr = NULL;
int cbMultiByte = 0;
LPCSTR lpDefaultChar = NULL;
LPBOOL lpUsedDefaultChar = NULL;
int numbytes = WideCharToMultiByte( CodePage, dwFlags, lpWideCharStr,
cchWideChar, lpMultiByteStr, cbMultiByte, lpDefaultChar, lpUsedDefaultChar );
//PRINTB("utf16 to utf8 conversion: numbytes %i",numbytes);
std::string utf8_str(numbytes,0);
lpMultiByteStr = &utf8_str[0];
cbMultiByte = numbytes;
int result = WideCharToMultiByte( CodePage, dwFlags, lpWideCharStr,
cchWideChar, lpMultiByteStr, cbMultiByte, lpDefaultChar, lpUsedDefaultChar );
if (result != numbytes) {
PRINT("ERROR: error converting w_char str to utf8 string");
PRINTB("ERROR: error code %i",GetLastError());
}
return utf8_str;
}
// retrieve the path to 'My Documents' for the current user under windows
// In XP this is 'c:\documents and settings\username\my documents'
// In Vista, 7, 8+ this is 'c:\users\username\documents'
// This code may have problems with unusual dir types in Vista because
// Mingw does not provide access to the updated SHGetKnownFolderPath
std::string PlatformUtils::documentsPath()
{
std::string retval;
std::wstring path(MAX_PATH,0);
HWND hwndOwner = 0;
int nFolder = CSIDL_PERSONAL;
HANDLE hToken = NULL;
DWORD dwFlags = SHGFP_TYPE_CURRENT;
LPTSTR pszPath = &path[0];
int result = SHGetFolderPathW( hwndOwner, nFolder, hToken, dwFlags, pszPath );
if (result == S_OK) {
path = std::wstring( path.c_str() ); // stip extra NULLs
//std::wcerr << "wchar path:" << "\n";
retval = winapi_wstr_to_utf8( path );
//PRINTB("Path found: %s",retval);
} else {
PRINT("ERROR: Could not find My Documents location");
retval = "";
}
return retval;
}
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