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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [tools/] [src/] [tools/] [Utils/] [win32/] [RegKeyEx.cpp] - Blame information for rev 174

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//####COPYRIGHTBEGIN####
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//                                                                          
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// ----------------------------------------------------------------------------
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// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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//
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// This program is part of the eCos host tools.
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//
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// This program is free software; you can redistribute it and/or modify it 
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// under the terms of the GNU General Public License as published by the Free 
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// Software Foundation; either version 2 of the License, or (at your option) 
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// any later version.
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// 
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// This program is distributed in the hope that it will be useful, but WITHOUT 
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 
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// more details.
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// 
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// You should have received a copy of the GNU General Public License along with
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// this program; if not, write to the Free Software Foundation, Inc., 
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// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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//
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// ----------------------------------------------------------------------------
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//                                                                          
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//####COPYRIGHTEND####
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// RegKeyEx.cpp : implementation file
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//
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#include "stdafx.h"
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#include "RegKeyEx.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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CRegKeyEx::Value::Value () :
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  m_dwType(REG_NONE)
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{
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}
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CRegKeyEx::Value::Value (DWORD dw) :
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  m_dwType(REG_NONE),
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  m_dw(dw)
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{
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}
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CRegKeyEx::Value::Value (LPCTSTR psz) :
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  m_dwType(REG_SZ)
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{
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  m_psz=new TCHAR[1+_tcslen(psz)];
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  _tcscpy(m_psz,psz);
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}
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CRegKeyEx::Value::~Value ()
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{
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  switch(Type()) {
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    case REG_SZ:
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    case REG_EXPAND_SZ:
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      delete m_psz;
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      break;
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    default:
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      break;
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  }
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}
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/////////////////////////////////////////////////////////////////////////////
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// CRegKeyEx
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CRegKeyEx::~CRegKeyEx()
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{
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  if(m_hKey){
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    Close();
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  }
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}
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CRegKeyEx::CRegKeyEx(HKEY hKeyParent, LPCTSTR lpszKeyName, REGSAM samDesired)
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{
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  Create(hKeyParent,lpszKeyName,REG_NONE,REG_OPTION_NON_VOLATILE,samDesired);
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}
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bool CRegKeyEx::QueryValue(LPCTSTR pszValueName,CString &str)
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{
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  DWORD dwLen,dwType;
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  bool rc=(ERROR_SUCCESS==::RegQueryValueEx(m_hKey,pszValueName,NULL,&dwType,NULL,&dwLen)) && (REG_SZ==dwType||REG_EXPAND_SZ==dwType);
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  if(rc){
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    rc&=(ERROR_SUCCESS==CRegKey::QueryValue(str.GetBuffer(1+dwLen),pszValueName,&dwLen));
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    str.ReleaseBuffer();
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  }
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  return rc;
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}
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bool CRegKeyEx::QueryValue(int nIndex,CString &strName,CString &strValue)
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{
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  DWORD dwType,dwMaxValueNameLen,dwMaxValueLen;
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  bool rc=(ERROR_SUCCESS==::RegQueryInfoKey(m_hKey,NULL,NULL,NULL,NULL,NULL,NULL,NULL,&dwMaxValueNameLen,&dwMaxValueLen,NULL,NULL));
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  if(rc){
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    dwMaxValueNameLen++;
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    dwMaxValueLen++;
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    rc&=(ERROR_SUCCESS==::RegEnumValue(m_hKey,nIndex,strName.GetBuffer(dwMaxValueNameLen),&dwMaxValueNameLen,NULL,&dwType,(LPBYTE)strValue.GetBuffer(dwMaxValueLen),&dwMaxValueLen)) && (REG_SZ==dwType||REG_EXPAND_SZ==dwType);
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    strName.ReleaseBuffer();
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    strValue.ReleaseBuffer();
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  }
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  return rc;
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}
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bool CRegKeyEx::QueryValue(LPCTSTR pszValueName,DWORD &dwValue)
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{
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  DWORD dwType;
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  DWORD dwLen=sizeof DWORD;
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  return (ERROR_SUCCESS==::RegQueryValueEx(m_hKey,pszValueName,NULL,&dwType,(LPBYTE)&dwValue,&dwLen) && REG_DWORD==dwType);
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}
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bool CRegKeyEx::QueryValue(int nIndex,CString &strName,DWORD &dwValue)
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{
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  DWORD dwType,dwMaxValueNameLen;
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  DWORD dwValueLen=sizeof(DWORD);
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  bool rc=(ERROR_SUCCESS==::RegQueryInfoKey(m_hKey,NULL,NULL,NULL,NULL,NULL,NULL,NULL,&dwMaxValueNameLen,NULL,NULL,NULL));
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  if(rc){
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    rc&=(ERROR_SUCCESS==::RegEnumValue(m_hKey,nIndex,strName.GetBuffer(1+dwMaxValueNameLen),&dwMaxValueNameLen,NULL,&dwType,(LPBYTE)&dwValue,&dwValueLen)) && (REG_DWORD==dwType);
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    strName.ReleaseBuffer();
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  }
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  return rc;
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}
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CRegKeyEx::Value CRegKeyEx::QueryValue(LPCTSTR pszValueName)
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{
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  DWORD dwType;
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  if(ERROR_SUCCESS!=::RegQueryValueEx(m_hKey,pszValueName,NULL,&dwType,NULL,NULL)){
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    dwType=REG_NONE;
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  }
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  switch(dwType){
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    case REG_SZ:
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      {
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        CString strValue;
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        return QueryValue(pszValueName,strValue)?Value(strValue):Value();
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      }
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      break;
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    case REG_DWORD:
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      {
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        DWORD dw;
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        return QueryValue(pszValueName,dw)?Value(dw):Value();
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      }
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      break;
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    default:
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      return Value();
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      break;
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  }
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}
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CRegKeyEx::Value CRegKeyEx::QueryValue(int nIndex,CString &strName)
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{
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  DWORD dwType;
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  if(ERROR_SUCCESS!=::RegEnumValue(m_hKey,nIndex,NULL,NULL,NULL,&dwType,NULL,NULL)){
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    dwType=REG_NONE;
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  }
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  switch(dwType){
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    case REG_SZ:
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      {
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        CString strValue;
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        return QueryValue(nIndex,strName,strValue)?Value(strValue):Value();
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      }
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      break;
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    case REG_DWORD:
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      {
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        DWORD dw;
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        return QueryValue(nIndex,strName,dw)?Value(dw):Value();
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      }
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      break;
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    default:
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      return Value();
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      break;
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  }
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}
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bool CRegKeyEx::QueryKey(int nIndex,CString &strName)
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{
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  DWORD dwNameLen;
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  bool rc=(ERROR_SUCCESS==::RegQueryInfoKey(m_hKey,NULL,NULL,NULL,NULL,&dwNameLen,NULL,NULL,NULL,NULL,NULL,NULL));
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  if(rc){
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    dwNameLen++;
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    rc&=(ERROR_SUCCESS==::RegEnumKey(m_hKey,nIndex,strName.GetBuffer(dwNameLen),dwNameLen));
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    strName.ReleaseBuffer();
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  }
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  return rc;
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}

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