monero/contrib/epee/include/reg_utils.h

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2014-03-03 22:07:58 +00:00
// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the Andrey N. Sabelnikov nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#ifndef _MUSC_UTILS_EX_H_
#define _MUSC_UTILS_EX_H_
namespace epee
{
namespace reg_utils
{
//-----------------------------------------------------------------------------------------------------------------------------------
template<class T>
bool RegSetPODValue(HKEY hParentKey, const char* pSubKey, const char* pValName, const T& valToSave, bool force_create = true)
{
HKEY hRegKey = 0;
DWORD dw = 0;
if( ::RegOpenKeyExA(hParentKey, pSubKey, 0, KEY_WRITE, &hRegKey) != ERROR_SUCCESS )
if(force_create && (::RegCreateKeyExA(hParentKey, pSubKey, 0, "", REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hRegKey, &dw) != ERROR_SUCCESS) )
return false;
DWORD val_type = (sizeof(valToSave) == sizeof(DWORD)) ? REG_DWORD:REG_BINARY;
BOOL res = ::RegSetValueExA( hRegKey, pValName, 0, val_type, (LPBYTE)&valToSave, sizeof(valToSave)) == ERROR_SUCCESS;
::RegCloseKey(hRegKey);
return ERROR_SUCCESS==res ? true:false;
}
//-----------------------------------------------------------------------------------------------------------------------------------
template<class T>
bool RegGetPODValue(HKEY hParentKey, const char* pSubKey, const char* pValName, T& valToSave)
{
HKEY hRegKey = 0;
LONG res = 0;
if(::RegOpenKeyExA(hParentKey, pSubKey, 0, KEY_READ, &hRegKey) == ERROR_SUCCESS )
{
DWORD dwType, lSize = 0;
res = ::RegQueryValueExA(hRegKey, pValName, 0, &dwType, NULL, &lSize);
if(ERROR_SUCCESS!=res || (sizeof(valToSave) < lSize) )
{
::RegCloseKey(hRegKey);
return false;
}
res = ::RegQueryValueExA(hRegKey, pValName, 0, &dwType, (LPBYTE)&valToSave, &lSize);
}
return ERROR_SUCCESS==res ? true:false;
}
//-----------------------------------------------------------------------------------------------------------------------------------
inline
bool RegSetANSIString(HKEY hParentKey, const char* pSubKey, const char* pValName, const std::string& strToSave)
{
HKEY hRegKey = 0;
DWORD dw = 0;
DWORD res_ = 0;
if( (res_ = ::RegCreateKeyExA(hParentKey, pSubKey, 0, "", REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hRegKey, &dw)) != ERROR_SUCCESS )
if( (res_= ::RegOpenKeyExA(hParentKey, pSubKey, 0, KEY_WRITE, &hRegKey)) != ERROR_SUCCESS )
return false;
DWORD valType = REG_SZ;
const char* pStr = strToSave.c_str();
DWORD sizeOfStr = (DWORD)strToSave.size()+1;
LSTATUS res = ::RegSetValueExA(hRegKey, pValName, 0, valType, (LPBYTE)pStr, sizeOfStr);
::RegCloseKey(hRegKey);
return ERROR_SUCCESS==res ? true:false;
}
//-----------------------------------------------------------------------------------------------------------------------------------
inline
bool RegGetANSIString(HKEY hParentKey, const char* pSubKey, const char* pValName, std::string& strToSave)
{
HKEY hRegKey = 0;
LONG res = 0;
if((res = ::RegOpenKeyExA(hParentKey, pSubKey, 0, KEY_READ, &hRegKey)) == ERROR_SUCCESS )
{
DWORD dwType, lSize = 0;
res = ::RegQueryValueExA(hRegKey, pValName, 0, &dwType, NULL, &lSize);
if(ERROR_SUCCESS!=res)
{
::RegCloseKey(hRegKey);
return false;
}
char* pTmpStr = new char[lSize+2];
memset(pTmpStr, 0, lSize+2);
res = ::RegQueryValueExA(hRegKey, pValName, 0, &dwType, (LPBYTE)pTmpStr, &lSize);
pTmpStr[lSize+1] = 0; //be happy ;)
strToSave = pTmpStr;
delete [] pTmpStr;
::RegCloseKey(hRegKey);
}
return ERROR_SUCCESS==res ? true:false;
}
//-----------------------------------------------------------------------------------------------------------------------------------
template<class TMemoryObject>
bool RegSetRAWValue(HKEY hKey, const char* pValName, const TMemoryObject& valToSave, DWORD valType = REG_BINARY)
{
LONG res = ::RegSetValueExA( hKey, pValName, 0, valType, (CONST BYTE*)valToSave.get(0), (DWORD)valToSave.get_size());
return ERROR_SUCCESS==res ? true:false;
}
//----------------------------------------------------------------------------------------------------------------------------------
bool RegSetRAWValue(HKEY hKey, const char* pValName, const std::string & valToSave, DWORD valType = REG_BINARY)
{
LONG res = ::RegSetValueExA( hKey, pValName, 0, valType, (CONST BYTE*)valToSave.data(), (DWORD)valToSave.size());
return ERROR_SUCCESS==res ? true:false;
}
//-----------------------------------------------------------------------------------------------------------------------------------
template<class TMemoryObject>
bool RegGetRAWValue(HKEY hKey, const char* pValName, TMemoryObject& valToSave, DWORD* pRegType)
{
DWORD dwType, lSize = 0;
LONG res = ::RegQueryValueExA(hKey, pValName, 0, &dwType, NULL, &lSize);
if(ERROR_SUCCESS!=res || 0 >= lSize)
{
valToSave.release();
return false;
}
if(valToSave.get_size() < lSize)
valToSave.alloc_buff(lSize);
res = ::RegQueryValueExA(hKey, pValName, 0, &dwType, (LPBYTE)valToSave.get(0), &lSize);
if(pRegType) *pRegType = dwType;
return ERROR_SUCCESS==res ? true:false;
}
//-----------------------------------------------------------------------------------------------------------------------------------
bool RegGetRAWValue(HKEY hKey, const char* pValName, std::string& valToSave, DWORD* pRegType)
{
DWORD dwType, lSize = 0;
LONG res = ::RegQueryValueExA(hKey, pValName, 0, &dwType, NULL, &lSize);
if(ERROR_SUCCESS!=res || 0 >= lSize)
{
return false;
}
valToSave.resize(lSize);
res = ::RegQueryValueExA(hKey, pValName, 0, &dwType, (LPBYTE)valToSave.data(), &lSize);
if(pRegType) *pRegType = dwType;
return ERROR_SUCCESS==res ? true:false;
}
//-----------------------------------------------------------------------------------------------------------------------------------
template<class TMemoryObject>
bool RegSetRAWValue(HKEY hParentKey, const char* pSubKey, const char* pValName, const TMemoryObject& valToSave, DWORD valType = REG_BINARY)
{
HKEY hRegKey = 0;
DWORD dw = 0;
bool res = false;
if( ::RegCreateKeyExA(hParentKey, pSubKey, 0, "", REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hRegKey, &dw) != ERROR_SUCCESS )
if( ::RegOpenKeyExA(hParentKey, pSubKey, 0, KEY_WRITE, &hRegKey) != ERROR_SUCCESS )
return false;
res = RegSetRAWValue(hRegKey, pValName, valToSave, valType);
::RegCloseKey(hRegKey);
return res;
}
//-----------------------------------------------------------------------------------------------------------------------------------
bool RegSetRAWValue(HKEY hParentKey, const char* pSubKey, const char* pValName, const std::string& valToSave, DWORD valType = REG_BINARY)
{
HKEY hRegKey = 0;
DWORD dw = 0;
bool res = false;
if( ::RegCreateKeyExA(hParentKey, pSubKey, 0, "", REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hRegKey, &dw) != ERROR_SUCCESS )
if( ::RegOpenKeyExA(hParentKey, pSubKey, 0, KEY_WRITE, &hRegKey) != ERROR_SUCCESS )
return false;
res = RegSetRAWValue(hRegKey, pValName, valToSave, valType);
::RegCloseKey(hRegKey);
return res;
}
//-----------------------------------------------------------------------------------------------------------------------------------
template<class TMemoryObject>
bool RegGetRAWValue(HKEY hParentKey, const char* pSubKey, const char* pValName, TMemoryObject& valToSave, DWORD* pRegType)
{
HKEY hRegKey = 0;
bool res = false;
if(::RegOpenKeyExA(hParentKey, pSubKey, 0, KEY_READ, &hRegKey) == ERROR_SUCCESS )
{
res = RegGetRAWValue(hRegKey, pValName, valToSave, pRegType);
::RegCloseKey(hRegKey);
}
return res;
}
//-----------------------------------------------------------------------------------------------------------------------------------
inline
bool RegGetRAWValue(HKEY hParentKey, const char* pSubKey, const char* pValName, std::string& valToSave, DWORD* pRegType)
{
HKEY hRegKey = 0;
bool res = false;
if(::RegOpenKeyExA(hParentKey, pSubKey, 0, KEY_READ, &hRegKey) == ERROR_SUCCESS )
{
res = RegGetRAWValue(hRegKey, pValName, valToSave, pRegType);
::RegCloseKey(hRegKey);
}
return res;
}
//-----------------------------------------------------------------------------------------------------------------------------------
inline
bool RegRemoveValue(HKEY hParentKey, const char* pValName)
{
//CHECK_AND_ASSERT(hParentKey&&pValName, false);
return ::RegDeleteValueA(hParentKey, pValName)==ERROR_SUCCESS ? true:false;
}
//-----------------------------------------------------------------------------------------------------------------------------------
inline
bool RegRemoveKey(HKEY hParentKey, const char* pKeyName)
{
//CHECK_AND_ASSERT(hParentKey&&pKeyName, false);
return ::RegDeleteKeyA(hParentKey, pKeyName)==ERROR_SUCCESS ? true:false;
}
}
}
#endif //_MUSC_UTILS_EX_H_