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MRegKeyPortable.hpp
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MRegKeyPortable.hpp
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// MRegKeyPortablePortable.hpp -- *.ini file manipulator -*- C++ -*-
// This file is part of MZC4. See file "ReadMe.txt" and "License.txt".
////////////////////////////////////////////////////////////////////////////
#ifndef MZC4_MREGKEYPORTABLE_HPP_
#define MZC4_MREGKEYPORTABLE_HPP_ 8 /* Version 8 */
#ifndef HKCR
#define HKCR HKEY_CLASSES_ROOT
#define HKCU HKEY_CURRENT_USER
#define HKLM HKEY_LOCAL_MACHINE
#define HKU HKEY_USERS
#define HKPD HKEY_PERFORMANCE_DATA
#define HKCC HKEY_CURRENT_CONFIG
#define HKDD HKEY_DYN_DATA
#endif
class MRegKeyPortable;
////////////////////////////////////////////////////////////////////////////
#ifndef _INC_WINDOWS
#include <windows.h> // Win32API
#endif
#include <shlwapi.h>
#include <cassert> // assert
#include <new> // std::nothrow
#include <string> // std::wstring
#ifdef UNICODE
typedef std::wstring tstring;
#else
typedef std::string tstring;
#endif
////////////////////////////////////////////////////////////////////////////
class MRegKeyPortable
{
public:
MRegKeyPortable(LPCWSTR pszAppName, LPCWSTR pszIniFileName = NULL);
virtual ~MRegKeyPortable();
LONG RegCloseKey();
LONG RegQueryValueEx(LPCTSTR pszValueName = NULL,
LPDWORD lpReserved = NULL, LPDWORD lpType = NULL,
LPBYTE lpData = NULL, LPDWORD lpcbData = NULL);
LONG QueryBinary(LPCTSTR pszValueName, LPVOID pvValue, DWORD cb);
LONG QueryDword(LPCTSTR pszValueName, DWORD& dw);
LONG QueryDwordLE(LPCTSTR pszValueName, DWORD& dw);
LONG QueryDwordBE(LPCTSTR pszValueName, DWORD& dw);
LONG QuerySz(LPCTSTR pszValueName, LPTSTR pszValue, DWORD cchValue);
LONG QueryExpandSz(LPCTSTR pszValueName, LPTSTR pszValue, DWORD cchValue);
LONG QueryMultiSz(LPCTSTR pszValueName, LPTSTR pszzValues, DWORD cchValues);
template <typename T_CONTAINER>
LONG QueryMultiSz(LPCTSTR pszValueName, T_CONTAINER& container);
template <typename T_STRUCT>
LONG QueryStruct(LPCTSTR pszValueName, T_STRUCT& data);
template <typename T_STRING>
LONG QuerySz(LPCTSTR pszValueName, T_STRING& strValue);
template <typename T_STRING>
LONG QueryExpandSz(LPCTSTR pszValueName, T_STRING& strValue);
LONG RegSetValueEx(LPCTSTR pszValueName, DWORD dwReserved,
DWORD dwType, CONST BYTE *lpData, DWORD cbData);
LONG SetBinary(LPCTSTR pszValueName, LPCVOID pvValue, DWORD cb);
LONG SetDword(LPCTSTR pszValueName, DWORD dw);
LONG SetDwordLE(LPCTSTR pszValueName, DWORD dw);
LONG SetDwordBE(LPCTSTR pszValueName, DWORD dw);
LONG SetSz(LPCTSTR pszValueName, LPCTSTR pszValue, DWORD cchValue);
LONG SetSz(LPCTSTR pszValueName, LPCTSTR pszValue);
LONG SetExpandSz(LPCTSTR pszValueName, LPCTSTR pszValue, DWORD cchValue);
LONG SetExpandSz(LPCTSTR pszValueName, LPCTSTR pszValue);
LONG SetMultiSz(LPCTSTR pszValueName, LPCTSTR pszzValues);
LONG SetMultiSz(LPCTSTR pszValueName, LPCTSTR pszzValues, DWORD cchValues);
template <typename T_CONTAINER>
LONG SetMultiSz(LPCTSTR pszValueName, const T_CONTAINER& container);
template <typename T_STRUCT>
LONG SetStruct(LPCTSTR pszValueName, const T_STRUCT& data);
LONG RegDeleteValue(LPCTSTR pszValueName);
LONG RegFlushKey();
static DWORD MultiSzSizeDx(LPCTSTR pszz);
protected:
tstring m_strIniFileName;
tstring m_strAppName;
};
////////////////////////////////////////////////////////////////////////////
inline
MRegKeyPortable::MRegKeyPortable(LPCWSTR pszAppName, LPCWSTR pszIniFileName)
: m_strAppName(pszAppName)
{
if (pszIniFileName)
{
m_strIniFileName = pszIniFileName;
}
else
{
TCHAR szPath[MAX_PATH];
GetModuleFileName(NULL, szPath, ARRAYSIZE(szPath));
LPTSTR pchDotExt = PathFindExtension(szPath);
if (pchDotExt)
*pchDotExt = 0;
m_strIniFileName = szPath;
m_strIniFileName += TEXT(".ini");
}
}
template <typename T_STRUCT>
inline LONG MRegKeyPortable::QueryStruct(LPCTSTR pszValueName, T_STRUCT& data)
{
DWORD cbData = sizeof(data);
return MRegKeyPortable::RegQueryValueEx(pszValueName, NULL, NULL, (LPBYTE)&data, &cbData);
}
template <typename T_STRUCT>
inline LONG MRegKeyPortable::SetStruct(LPCTSTR pszValueName, const T_STRUCT& data)
{
return MRegKeyPortable::RegSetValueEx(pszValueName, 0, REG_BINARY,
(CONST BYTE *)&data, sizeof(data));
}
template <typename T_STRING>
LONG MRegKeyPortable::QuerySz(LPCTSTR pszValueName, T_STRING& strValue)
{
LONG result;
strValue.clear();
DWORD cbData;
result = RegQueryValueEx(pszValueName, NULL, NULL, NULL, &cbData);
if (result != ERROR_SUCCESS)
return result;
LPTSTR psz = new(std::nothrow) TCHAR[cbData / sizeof(TCHAR) + 1];
assert(psz);
if (psz)
{
result = RegQueryValueEx(pszValueName, NULL, NULL,
reinterpret_cast<LPBYTE>(psz), &cbData);
if (result != ERROR_SUCCESS)
{
strValue = psz;
}
delete[] psz;
}
return result;
}
template <typename T_STRING>
LONG MRegKeyPortable::QueryExpandSz(LPCTSTR pszValueName, T_STRING& strValue)
{
LONG result;
strValue.clear();
DWORD cbData;
result = RegQueryValueEx(pszValueName, NULL, NULL, NULL, &cbData);
if (result != ERROR_SUCCESS)
return result;
LPTSTR psz = new(std::nothrow) TCHAR[cbData / sizeof(TCHAR) + 1];
assert(psz);
if (psz)
{
result = RegQueryValueEx(pszValueName, NULL, NULL,
reinterpret_cast<LPBYTE>(psz), &cbData);
if (result != ERROR_SUCCESS)
{
strValue = psz;
}
delete[] psz;
}
return result;
}
inline /*virtual*/ MRegKeyPortable::~MRegKeyPortable()
{
RegCloseKey();
}
inline LONG MRegKeyPortable::RegCloseKey()
{
return MRegKeyPortable::RegFlushKey();
}
inline LONG MRegKeyPortable::RegQueryValueEx(LPCTSTR pszValueName/* = NULL*/,
LPDWORD lpReserved/* = NULL*/, LPDWORD lpType/* = NULL*/,
LPBYTE lpData/* = NULL*/, LPDWORD lpcbData/* = NULL*/)
{
if (pszValueName == NULL)
pszValueName = TEXT(".DEFAULT");
static TCHAR s_szText[1024];
char sz[3];
BOOL bOK;
bOK = GetPrivateProfileString(m_strAppName.c_str(), pszValueName, TEXT(""),
s_szText, ARRAYSIZE(s_szText), m_strIniFileName.c_str());
if (!bOK || s_szText[0] == 0)
return ERROR_ACCESS_DENIED;
StrTrim(s_szText, TEXT(" \t\r\n"));
DWORD cchText = lstrlen(s_szText);
DWORD cbValue = (cchText - 2) / 2;
if (lpcbData)
{
if (*lpcbData < cbValue)
{
*lpcbData = cbValue;
return ERROR_MORE_DATA;
}
*lpcbData = cbValue;
}
if (s_szText[2 * cbValue] != TEXT(':'))
return ERROR_ACCESS_DENIED;
if (lpType)
{
sz[0] = (char)s_szText[2 * cbValue + 1];
sz[1] = 0;
*lpType = strtol(sz, NULL, 16);
}
if (lpData == NULL)
{
return ERROR_SUCCESS;
}
for (DWORD i = 0; i < cbValue; ++i)
{
sz[0] = (char)s_szText[2 * i + 0];
sz[1] = (char)s_szText[2 * i + 1];
sz[2] = 0;
lpData[i] = (BYTE)strtol(sz, NULL, 16);
}
return ERROR_SUCCESS;
}
inline LONG MRegKeyPortable::QueryBinary(
LPCTSTR pszValueName, LPVOID pvValue, DWORD cb)
{
DWORD cbData = cb;
return RegQueryValueEx(pszValueName, NULL, NULL,
reinterpret_cast<LPBYTE>(pvValue),
&cbData);
}
inline LONG MRegKeyPortable::QueryDword(LPCTSTR pszValueName, DWORD& dw)
{
DWORD cbData = sizeof(DWORD);
return RegQueryValueEx(pszValueName, NULL, NULL,
reinterpret_cast<LPBYTE>(&dw), &cbData);
}
inline LONG MRegKeyPortable::QueryDwordLE(LPCTSTR pszValueName, DWORD& dw)
{
DWORD cbData = sizeof(DWORD);
return RegQueryValueEx(pszValueName, NULL, NULL,
reinterpret_cast<LPBYTE>(&dw), &cbData);
}
inline LONG MRegKeyPortable::QueryDwordBE(LPCTSTR pszValueName, DWORD& dw)
{
DWORD cbData = sizeof(DWORD);
return RegQueryValueEx(pszValueName, NULL, NULL,
reinterpret_cast<LPBYTE>(&dw), &cbData);
}
inline LONG
MRegKeyPortable::QuerySz(LPCTSTR pszValueName, LPTSTR pszValue, DWORD cchValue)
{
DWORD cbData = cchValue * sizeof(TCHAR);
return RegQueryValueEx(pszValueName, NULL, NULL,
reinterpret_cast<LPBYTE>(pszValue), &cbData);
}
inline LONG MRegKeyPortable::QueryExpandSz(
LPCTSTR pszValueName, LPTSTR pszValue, DWORD cchValue)
{
DWORD cbData = cchValue * sizeof(TCHAR);
return RegQueryValueEx(pszValueName, NULL, NULL,
reinterpret_cast<LPBYTE>(pszValue), &cbData);
}
inline LONG MRegKeyPortable::RegSetValueEx(LPCTSTR pszValueName, DWORD dwReserved,
DWORD dwType, CONST BYTE *lpData, DWORD cbData)
{
static TCHAR s_szText[1024];
static const TCHAR s_szHex[] = TEXT("0123456789ABCDEF");
if (pszValueName == NULL)
pszValueName = TEXT(".DEFAULT");
if (cbData * 2 + 3 > ARRAYSIZE(s_szText))
return ERROR_ACCESS_DENIED;
DWORD i;
for (i = 0; i < cbData; ++i)
{
s_szText[2 * i + 0] = s_szHex[(lpData[i] >> 4) & 0x0F];
s_szText[2 * i + 1] = s_szHex[lpData[i] & 0x0F];
}
s_szText[2 * i + 0] = TEXT(':');
s_szText[2 * i + 1] = s_szHex[dwType & 0xF];
s_szText[2 * i + 2] = 0;
BOOL bOK = WritePrivateProfileString(m_strAppName.c_str(), pszValueName, s_szText,
m_strIniFileName.c_str());
return bOK ? ERROR_SUCCESS : ERROR_ACCESS_DENIED;
}
inline LONG MRegKeyPortable::SetBinary(LPCTSTR pszValueName, LPCVOID pvValue, DWORD cb)
{
return RegSetValueEx(pszValueName, 0, REG_BINARY,
reinterpret_cast<const BYTE *>(pvValue), cb);
}
inline LONG MRegKeyPortable::SetDword(LPCTSTR pszValueName, DWORD dw)
{
DWORD dwValue = dw;
return RegSetValueEx(pszValueName, 0, REG_DWORD,
reinterpret_cast<const BYTE *>(&dwValue), sizeof(DWORD));
}
inline LONG MRegKeyPortable::SetDwordLE(LPCTSTR pszValueName, DWORD dw)
{
DWORD dwValue = dw;
return RegSetValueEx(pszValueName, 0, REG_DWORD_LITTLE_ENDIAN,
reinterpret_cast<const BYTE *>(&dwValue), sizeof(DWORD));
}
inline LONG MRegKeyPortable::SetDwordBE(LPCTSTR pszValueName, DWORD dw)
{
DWORD dwValue = dw;
return RegSetValueEx(pszValueName, 0, REG_DWORD_BIG_ENDIAN,
reinterpret_cast<const BYTE *>(&dwValue), sizeof(DWORD));
}
inline LONG
MRegKeyPortable::SetSz(LPCTSTR pszValueName, LPCTSTR pszValue, DWORD cchValue)
{
return RegSetValueEx(pszValueName, 0, REG_SZ,
reinterpret_cast<const BYTE *>(pszValue), cchValue * sizeof(TCHAR));
}
inline LONG
MRegKeyPortable::SetExpandSz(LPCTSTR pszValueName, LPCTSTR pszValue, DWORD cchValue)
{
return RegSetValueEx(pszValueName, 0, REG_EXPAND_SZ,
reinterpret_cast<const BYTE *>(pszValue), cchValue * sizeof(TCHAR));
}
inline LONG MRegKeyPortable::RegDeleteValue(LPCTSTR pszValueName)
{
BOOL bOK = WritePrivateProfileString(m_strAppName.c_str(), pszValueName, NULL,
m_strIniFileName.c_str());
return (bOK ? ERROR_SUCCESS : ERROR_ACCESS_DENIED);
}
inline LONG MRegKeyPortable::RegFlushKey()
{
::WritePrivateProfileString(NULL, NULL, NULL, m_strIniFileName.c_str());
return ERROR_SUCCESS;
}
inline LONG MRegKeyPortable::SetSz(LPCTSTR pszValueName, LPCTSTR pszValue)
{
return SetSz(pszValueName, pszValue, lstrlen(pszValue) + 1);
}
inline LONG MRegKeyPortable::SetExpandSz(LPCTSTR pszValueName, LPCTSTR pszValue)
{
return SetExpandSz(pszValueName, pszValue, lstrlen(pszValue) + 1);
}
template <typename T_CONTAINER>
LONG MRegKeyPortable::QueryMultiSz(LPCTSTR pszValueName, T_CONTAINER& container)
{
container.clear();
LONG result;
DWORD cbData;
result = RegQueryValueEx(pszValueName, NULL, NULL, NULL, &cbData);
if (result != ERROR_SUCCESS)
return result;
const DWORD cch = static_cast<DWORD>(cbData / sizeof(TCHAR) + 1);
LPTSTR pszz = new(std::nothrow) TCHAR[cch];
if (pszz)
{
result = QueryMultiSz(pszValueName, pszz, cch);
if (result == ERROR_SUCCESS)
{
for (LPTSTR pch = pszz; *pch; pch += lstrlen(pch) + 1)
{
#if (__cplusplus >= 201103L)
container.emplace_back(pch);
#else
container.push_back(pch);
#endif
}
}
delete[] pszz;
}
else
result = ERROR_OUTOFMEMORY;
return result;
}
template <typename T_CONTAINER>
inline LONG MRegKeyPortable::SetMultiSz(
LPCTSTR pszValueName, const T_CONTAINER& container)
{
typename T_CONTAINER::value_type str;
typename T_CONTAINER::const_iterator it, end;
it = container.begin();
end = container.end();
if (it != end)
{
for (; it != end; ++it)
{
str += *it;
str += TEXT('\0');
}
}
else
{
str += TEXT('\0');
}
const DWORD cchValues = static_cast<DWORD>(str.size() + 1);
return SetMultiSz(pszValueName, str.c_str(), cchValues);
}
inline LONG MRegKeyPortable::QueryMultiSz(
LPCTSTR pszValueName, LPTSTR pszzValues, DWORD cchValues)
{
DWORD cbData = sizeof(TCHAR) * cchValues;
return RegQueryValueEx(pszValueName, NULL, NULL,
reinterpret_cast<LPBYTE>(pszzValues), &cbData);
}
inline LONG
MRegKeyPortable::SetMultiSz(LPCTSTR pszValueName, LPCTSTR pszzValues)
{
return RegSetValueEx(pszValueName, 0, REG_MULTI_SZ,
reinterpret_cast<const BYTE *>(pszzValues),
MRegKeyPortable::MultiSzSizeDx(pszzValues));
}
inline LONG
MRegKeyPortable::SetMultiSz(LPCTSTR pszValueName, LPCTSTR pszzValues, DWORD cchValues)
{
DWORD cb = static_cast<DWORD>(sizeof(TCHAR) * cchValues);
return RegSetValueEx(pszValueName, 0, REG_MULTI_SZ,
reinterpret_cast<const BYTE *>(pszzValues), cb);
}
inline /*static*/ DWORD MRegKeyPortable::MultiSzSizeDx(LPCTSTR pszz)
{
DWORD siz = 0;
if (*pszz)
{
do
{
INT len = lstrlen(pszz);
siz += len + 1;
pszz += len + 1;
}
while (*pszz);
}
else
{
++siz;
}
++siz;
siz *= static_cast<DWORD>(sizeof(TCHAR));
return siz;
}
////////////////////////////////////////////////////////////////////////////
#endif // ndef MZC4_MREGKEYPORTABLE_HPP_