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/*
Actionaz
Copyright (C) 2008-2014 Jonathan Mercier-Ganady
Actionaz is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Actionaz is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Contact : jmgr@jmgr.info
*/
#include "registry.h"
#include <QtEndian>
#include <QStringList>
#ifdef Q_WS_WIN
namespace ActionTools
{
Registry::ReadResult Registry::read(QVariant &result, Key key, const QString &subkey, const QString &value)
{
HKEY hKey;
if(RegOpenKeyEx(enumToKey(key), subkey.toStdWString().c_str(), 0, KEY_READ, &hKey) != ERROR_SUCCESS)
return ReadCannotFindSubKey;
DWORD size;
DWORD type;
std::wstring wideValue = value.toStdWString();
if(RegQueryValueEx(hKey, wideValue.c_str(), 0, &type, 0, &size) != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return ReadCannotFindValue;
}
switch(type)
{
case REG_DWORD:
case REG_DWORD_BIG_ENDIAN:
{
qint32 value;
if(RegQueryValueEx(hKey, wideValue.c_str(), 0, 0, reinterpret_cast<LPBYTE>(&value), &size) != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return ReadCannotFindValue;
}
if(type == REG_DWORD_BIG_ENDIAN)
value = qFromBigEndian(value);
result = value;
}
break;
case REG_SZ:
case REG_EXPAND_SZ:
case REG_LINK:
case REG_MULTI_SZ:
{
wchar_t *buffer = new wchar_t[size];
if(RegQueryValueEx(hKey, wideValue.c_str(), 0, 0, reinterpret_cast<LPBYTE>(buffer), &size) != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return ReadCannotFindValue;
}
if(type == REG_MULTI_SZ)
{
QStringList stringList = QString::fromWCharArray(buffer, size / 2).split(QChar(L'\0'), QString::SkipEmptyParts);
if(stringList.last().isEmpty())
stringList.removeLast();
result = stringList;
}
else
result = QString::fromWCharArray(buffer, size / 2);
delete [] buffer;
}
break;
case REG_BINARY:
{
char *buffer = new char[size];
if(RegQueryValueEx(hKey, wideValue.c_str(), 0, 0, reinterpret_cast<LPBYTE>(buffer), &size) != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return ReadCannotFindValue;
}
result = QByteArray::fromRawData(buffer, size);
delete [] buffer;
}
break;
case REG_QWORD:
{
qint64 value;
if(RegQueryValueEx(hKey, wideValue.c_str(), 0, 0, reinterpret_cast<LPBYTE>(&value), &size) != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return ReadCannotFindValue;
}
result = value;
}
break;
case REG_NONE:
default:
RegCloseKey(hKey);
return ReadInvalidValueType;
break;
}
RegCloseKey(hKey);
return ReadOk;
}
Registry::WriteResult Registry::write(const QVariant &data, Key key, const QString &subkey, const QString &value)
{
HKEY hKey;
if(RegOpenKeyEx(enumToKey(key), subkey.toStdWString().c_str(), 0, KEY_WRITE, &hKey) != ERROR_SUCCESS)
return WriteCannotFindSubKey;
std::wstring wideValue = value.toStdWString();
switch(data.type())
{
case QVariant::Int:
case QVariant::UInt:
{
int intData = data.toInt();
if(RegSetValueEx(hKey, wideValue.c_str(), 0, REG_DWORD, reinterpret_cast<LPBYTE>(&intData), sizeof(int)) != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return WriteCannotWriteValue;
}
}
break;
case QVariant::LongLong:
case QVariant::ULongLong:
{
long long intData = data.toLongLong();
if(RegSetValueEx(hKey, wideValue.c_str(), 0, REG_QWORD, reinterpret_cast<LPBYTE>(&intData), sizeof(long long)) != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return WriteCannotWriteValue;
}
}
break;
case QVariant::StringList:
{
const QStringList &stringList = data.toStringList();
std::wstring wideData;
foreach(const QString &string, stringList)
{
wideData += string.toStdWString();
wideData += L'\0';
}
if(RegSetValueEx(hKey, wideValue.c_str(), 0, REG_MULTI_SZ, reinterpret_cast<LPBYTE>(const_cast<wchar_t*>(wideData.c_str())), static_cast<DWORD>(wideData.size() * sizeof(wchar_t))) != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return WriteCannotWriteValue;
}
}
break;
case QVariant::ByteArray:
{
QByteArray byteArray = data.toByteArray();
if(RegSetValueEx(hKey, wideValue.c_str(), 0, REG_BINARY, reinterpret_cast<LPBYTE>(byteArray.data()), byteArray.size()) != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return WriteCannotWriteValue;
}
}
break;
default:
{
if(data.type() == QVariant::String || data.canConvert(QVariant::String))
{
std::wstring wideData = data.toString().toStdWString();
if(RegSetValueEx(hKey, wideValue.c_str(), 0, REG_SZ, reinterpret_cast<LPBYTE>(const_cast<wchar_t*>(wideData.c_str())), static_cast<DWORD>(wideData.size() * sizeof(wchar_t))) != ERROR_SUCCESS)
{
RegCloseKey(hKey);
return WriteCannotWriteValue;
}
}
else
{
RegCloseKey(hKey);
return WriteCannotWriteValue;
}
}
break;
}
RegCloseKey(hKey);
return WriteOk;
}
HKEY Registry::enumToKey(Key key)
{
switch(key)
{
case ClassesRoot:
return HKEY_CLASSES_ROOT;
case CurrentConfig:
return HKEY_CURRENT_CONFIG;
case CurrentUser:
return HKEY_CURRENT_USER;
case Users:
return HKEY_USERS;
case LocalMachine:
return HKEY_LOCAL_MACHINE;
default:
return HKEY_CURRENT_USER;
}
}
}
#endif
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