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comparison host/tools/Utils/win32/RegKeyEx.cpp @ 76:435cced73e2f ecos-v1_3_1-release

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eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
parents
children 74dbf4c3f2e1
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75:41bf073c0c32 76:435cced73e2f
1 //####COPYRIGHTBEGIN####
2 //
3 // ----------------------------------------------------------------------------
4 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
5 //
6 // This program is part of the eCos host tools.
7 //
8 // This program is free software; you can redistribute it and/or modify it
9 // under the terms of the GNU General Public License as published by the Free
10 // Software Foundation; either version 2 of the License, or (at your option)
11 // any later version.
12 //
13 // This program is distributed in the hope that it will be useful, but WITHOUT
14 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 // more details.
17 //
18 // You should have received a copy of the GNU General Public License along with
19 // this program; if not, write to the Free Software Foundation, Inc.,
20 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 //
22 // ----------------------------------------------------------------------------
23 //
24 //####COPYRIGHTEND####
25 // RegKeyEx.cpp : implementation file
26 //
27
28 #include "stdafx.h"
29 #include "RegKeyEx.h"
30
31 #ifdef _DEBUG
32 #define new DEBUG_NEW
33 #undef THIS_FILE
34 static char THIS_FILE[] = __FILE__;
35 #endif
36
37
38 CRegKeyEx::Value::Value () :
39 m_dwType(REG_NONE)
40 {
41 }
42
43 CRegKeyEx::Value::Value (DWORD dw) :
44 m_dwType(REG_NONE),
45 m_dw(dw)
46 {
47 }
48
49 CRegKeyEx::Value::Value (LPCTSTR psz) :
50 m_dwType(REG_SZ)
51 {
52 m_psz=new TCHAR[1+_tcslen(psz)];
53 _tcscpy(m_psz,psz);
54 }
55
56 CRegKeyEx::Value::~Value ()
57 {
58 switch(Type()) {
59 case REG_SZ:
60 case REG_EXPAND_SZ:
61 delete m_psz;
62 break;
63 default:
64 break;
65 }
66 }
67
68 /////////////////////////////////////////////////////////////////////////////
69 // CRegKeyEx
70
71 CRegKeyEx::~CRegKeyEx()
72 {
73 if(m_hKey){
74 Close();
75 }
76 }
77
78 CRegKeyEx::CRegKeyEx(HKEY hKeyParent, LPCTSTR lpszKeyName, REGSAM samDesired)
79 {
80 Create(hKeyParent,lpszKeyName,REG_NONE,REG_OPTION_NON_VOLATILE,samDesired);
81 }
82
83 bool CRegKeyEx::QueryValue(LPCTSTR pszValueName,CString &str)
84 {
85 DWORD dwLen,dwType;
86 bool rc=(ERROR_SUCCESS==::RegQueryValueEx(m_hKey,pszValueName,NULL,&dwType,NULL,&dwLen)) && (REG_SZ==dwType||REG_EXPAND_SZ==dwType);
87 if(rc){
88 rc&=(ERROR_SUCCESS==CRegKey::QueryValue(str.GetBuffer(1+dwLen),pszValueName,&dwLen));
89 str.ReleaseBuffer();
90 }
91 return rc;
92 }
93
94 bool CRegKeyEx::QueryValue(int nIndex,CString &strName,CString &strValue)
95 {
96 DWORD dwType,dwMaxValueNameLen,dwMaxValueLen;
97 bool rc=(ERROR_SUCCESS==::RegQueryInfoKey(m_hKey,NULL,NULL,NULL,NULL,NULL,NULL,NULL,&dwMaxValueNameLen,&dwMaxValueLen,NULL,NULL));
98 if(rc){
99 dwMaxValueNameLen++;
100 dwMaxValueLen++;
101 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);
102 strName.ReleaseBuffer();
103 strValue.ReleaseBuffer();
104 }
105 return rc;
106 }
107
108 bool CRegKeyEx::QueryValue(LPCTSTR pszValueName,DWORD &dwValue)
109 {
110 DWORD dwType;
111 DWORD dwLen=sizeof DWORD;
112 return (ERROR_SUCCESS==::RegQueryValueEx(m_hKey,pszValueName,NULL,&dwType,(LPBYTE)&dwValue,&dwLen) && REG_DWORD==dwType);
113 }
114
115 bool CRegKeyEx::QueryValue(int nIndex,CString &strName,DWORD &dwValue)
116 {
117 DWORD dwType,dwMaxValueNameLen;
118 DWORD dwValueLen=sizeof(DWORD);
119 bool rc=(ERROR_SUCCESS==::RegQueryInfoKey(m_hKey,NULL,NULL,NULL,NULL,NULL,NULL,NULL,&dwMaxValueNameLen,NULL,NULL,NULL));
120 if(rc){
121 rc&=(ERROR_SUCCESS==::RegEnumValue(m_hKey,nIndex,strName.GetBuffer(1+dwMaxValueNameLen),&dwMaxValueNameLen,NULL,&dwType,(LPBYTE)&dwValue,&dwValueLen)) && (REG_DWORD==dwType);
122 strName.ReleaseBuffer();
123 }
124 return rc;
125 }
126
127 CRegKeyEx::Value CRegKeyEx::QueryValue(LPCTSTR pszValueName)
128 {
129 DWORD dwType;
130 if(ERROR_SUCCESS!=::RegQueryValueEx(m_hKey,pszValueName,NULL,&dwType,NULL,NULL)){
131 dwType=REG_NONE;
132 }
133 switch(dwType){
134 case REG_SZ:
135 {
136 CString strValue;
137 return QueryValue(pszValueName,strValue)?Value(strValue):Value();
138 }
139 break;
140 case REG_DWORD:
141 {
142 DWORD dw;
143 return QueryValue(pszValueName,dw)?Value(dw):Value();
144 }
145 break;
146 default:
147 return Value();
148 break;
149 }
150 }
151
152 CRegKeyEx::Value CRegKeyEx::QueryValue(int nIndex,CString &strName)
153 {
154 DWORD dwType;
155 if(ERROR_SUCCESS!=::RegEnumValue(m_hKey,nIndex,NULL,NULL,NULL,&dwType,NULL,NULL)){
156 dwType=REG_NONE;
157 }
158 switch(dwType){
159 case REG_SZ:
160 {
161 CString strValue;
162 return QueryValue(nIndex,strName,strValue)?Value(strValue):Value();
163 }
164 break;
165 case REG_DWORD:
166 {
167 DWORD dw;
168 return QueryValue(nIndex,strName,dw)?Value(dw):Value();
169 }
170 break;
171 default:
172 return Value();
173 break;
174 }
175 }
176
177 bool CRegKeyEx::QueryKey(int nIndex,CString &strName)
178 {
179 DWORD dwNameLen;
180 bool rc=(ERROR_SUCCESS==::RegQueryInfoKey(m_hKey,NULL,NULL,NULL,NULL,&dwNameLen,NULL,NULL,NULL,NULL,NULL,NULL));
181 if(rc){
182 dwNameLen++;
183 rc&=(ERROR_SUCCESS==::RegEnumKey(m_hKey,nIndex,strName.GetBuffer(dwNameLen),dwNameLen));
184 strName.ReleaseBuffer();
185 }
186 return rc;
187 }