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// w32dlib - Win32 Dialog Helpers
//
// Copyright (C) 2005 Ian Cowburn (ianc@noddybox.demon.co.uk)
//
// This program 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 2 of the License, or
// (at your option) any later version.
//
// This program 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, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// -------------------------------------------------------------------------
//
#include <cstring>
#include "w32dlib/registry.h"
namespace W32DLib
{
// ------------------------------------------------------------
//
Registry::Registry(HKEY root, const char *path, bool permanent)
{
m_openres=RegCreateKeyEx(root,
path,
0,
0,
permanent ? REG_OPTION_NON_VOLATILE:
REG_OPTION_VOLATILE,
KEY_WRITE|KEY_READ,
0,
&m_key,
0);
}
// ------------------------------------------------------------
//
Registry::Registry(HKEY root, const char *path)
{
m_openres=RegOpenKeyEx(root,path,0,KEY_READ,&m_key);
}
// ------------------------------------------------------------
//
Registry::~Registry()
{
if (m_openres==ERROR_SUCCESS)
{
RegCloseKey(m_key);
}
}
// ------------------------------------------------------------
//
bool Registry::IsOpen()
{
return m_openres==ERROR_SUCCESS;
}
// ------------------------------------------------------------
//
bool Registry::Read(const char *name, bool& val)
{
unsigned i=0;
bool res;
res=Read(name,i);
if (res)
{
val=(i!=0);
}
return res;
}
// ------------------------------------------------------------
//
bool Registry::Read(const char *name, unsigned& val)
{
DWORD size=sizeof(val);
DWORD type;
unsigned i;
if (RegQueryValueEx(m_key,name,0,&type,(LPBYTE)&i,&size)==ERROR_SUCCESS)
{
if (type==REG_DWORD)
{
val=i;
return true;
}
}
return false;
}
// ------------------------------------------------------------
//
bool Registry::Read(const char *name, std::string& val)
{
bool res=false;
DWORD size;
DWORD type;
if (RegQueryValueEx(m_key,name,0,&type,0,&size)==ERROR_SUCCESS)
{
if (type==REG_SZ || type==REG_EXPAND_SZ)
{
char *buff=new char[size];
if (RegQueryValueEx(m_key,name,0,0,(LPBYTE)buff,&size)
==ERROR_SUCCESS)
{
res=true;
val=buff;
}
delete[] buff;
}
}
return res;
}
// ------------------------------------------------------------
//
bool Registry::Write(const char *name, bool val)
{
unsigned i=val?1:0;
return Write(name,i);
}
// ------------------------------------------------------------
//
bool Registry::Write(const char *name, unsigned val)
{
return RegSetValueEx(m_key,
name,
0,
REG_DWORD,
(LPBYTE)&val,
sizeof(val))==ERROR_SUCCESS;
}
// ------------------------------------------------------------
//
bool Registry::Write(const char *name, const char *val)
{
return RegSetValueEx(m_key,
name,
0,
REG_SZ,
(LPBYTE)val,
std::strlen(val)+1)==ERROR_SUCCESS;
}
// ------------------------------------------------------------
//
bool Registry::Write(const char *name, const std::string& val)
{
return RegSetValueEx(m_key,
name,
0,
REG_SZ,
(LPBYTE)val.c_str(),
val.length()+1)==ERROR_SUCCESS;
}
}; // namespace W32DLib
// END OF FILE
|
