ReactOS 0.4.15-dev-8219-ge8b88cf
ShellCommandDeleteValue.cpp
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1/*
2 * regexpl - Console Registry Explorer
3 *
4 * Copyright (C) 2000-2005 Nedko Arnaudov <nedko@users.sourceforge.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; see the file COPYING. If not, write to
18 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
20 */
21
22// ShellCommandDeleteValue.cpp: implementation of the CShellCommandDeleteValue class.
23//
25
26#include "ph.h"
28#include "RegistryExplorer.h"
29#include "Pattern.h"
30
31#define DV_CMD _T("DV")
32#define DV_CMD_LENGTH COMMAND_LENGTH(DV_CMD)
33#define DV_CMD_SHORT_DESC DV_CMD _T(" command is used to delete value.\n")
34
36// Construction/Destruction
38
40{
41}
42
44{
45}
46
48{
49 return _tcsicmp(pszCommand,DV_CMD) == 0;
50}
51
53{
54 rArguments.ResetArgumentIteration();
55 TCHAR *pszCommandItself = rArguments.GetNextArgument();
56
57 TCHAR *pszParameter;
58 TCHAR *pszValueFull = NULL;
59 BOOL blnHelp = FALSE;
60
61 if ((_tcsnicmp(pszCommandItself,DV_CMD _T(".."),DV_CMD_LENGTH+2*sizeof(TCHAR)) == 0)||
62 (_tcsnicmp(pszCommandItself,DV_CMD _T("\\"),DV_CMD_LENGTH+1*sizeof(TCHAR)) == 0))
63 {
64 pszValueFull = pszCommandItself + DV_CMD_LENGTH;
65 }
66 else if (_tcsnicmp(pszCommandItself,DV_CMD _T("/"),DV_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
67 {
68 pszParameter = pszCommandItself + DV_CMD_LENGTH;
69 goto CheckValueArgument;
70 }
71
72 while((pszParameter = rArguments.GetNextArgument()) != NULL)
73 {
74CheckValueArgument:
75 if ((_tcsicmp(pszParameter,_T("/?")) == 0)
76 ||(_tcsicmp(pszParameter,_T("-?")) == 0))
77 {
78 blnHelp = TRUE;
79 break;
80 }
81 else if (!pszValueFull)
82 {
83 pszValueFull = pszParameter;
84 }
85 else
86 {
87 rConsole.Write(_T("Bad parameter: "));
88 rConsole.Write(pszParameter);
89 rConsole.Write(_T("\n"));
90 }
91 }
92
94 TCHAR *pszValueNamePattern;
95 const TCHAR *pszEmpty = _T("");
96 const TCHAR *pszPath;
97
98 if (blnHelp)
99 {
100 rConsole.Write(GetHelpString());
101 return 0;
102 }
103
104 if (pszValueFull)
105 {
106 if (_tcscmp(pszValueFull,_T("\\")) == 0)
107 goto CommandNAonRoot;
108
109 TCHAR *pchSep = _tcsrchr(pszValueFull,_T('\\'));
110 pszValueNamePattern = pchSep?(pchSep+1):(pszValueFull);
111 pszPath = pchSep?pszValueFull:_T(".");
112
113 if (pchSep)
114 *pchSep = 0;
115 }
116 else
117 {
118 pszValueNamePattern = (TCHAR*)pszEmpty;
119 pszPath = _T(".");
120 }
121
122 {
123 size_t s = _tcslen(pszValueNamePattern);
124 if (s && (pszValueNamePattern[0] == _T('\"'))&&(pszValueNamePattern[s-1] == _T('\"')))
125 {
126 pszValueNamePattern[s-1] = 0;
127 pszValueNamePattern++;
128 }
129 }
130
132 {
134 return 0;
135 }
136
137 if (!Key.IsRoot())
138 { // not root key ???
139 TCHAR Buffer[254];
140 DWORD dwMaxValueNameLength;
141 LONG nError = Key.GetMaxValueNameLength(dwMaxValueNameLength);
142 if (nError != ERROR_SUCCESS)
143 {
144 _stprintf(Buffer,_T("Cannot query info about %s key. Error is %u\n"),Key.GetKeyName(),(unsigned int)nError);
145 rConsole.Write(Buffer);
146 return 0;
147 }
148
149 TCHAR *pszValueName = new (std::nothrow) TCHAR[dwMaxValueNameLength];
150 if (!pszValueName)
151 {
152 rConsole.Write("Out of memory.");
153 return 0;
154 }
155
156 Key.InitValueEnumeration(pszValueName,dwMaxValueNameLength,NULL,0,NULL);
157
158 while ((nError = Key.GetNextValue()) == ERROR_SUCCESS)
159 {
160 if (PatternMatch(pszValueNamePattern,pszValueName))
161 {
162 nError = Key.DeleteValue(pszValueName);
163 if (nError != ERROR_SUCCESS)
164 {
165 _stprintf(Buffer,_T("Cannot delete value. Error is %u\n"),(unsigned int)nError);
166 rConsole.Write(Buffer);
167 }
168 else
169 {
171 }
172 Key.InitValueEnumeration(pszValueName,dwMaxValueNameLength,NULL,0,NULL); // reset iteration
173 }
174 }
175 } // if (pKey)
176 else
177 {
178CommandNAonRoot:
180 }
181
182 return 0;
183}
184
186{
187 return DV_CMD_SHORT_DESC
188 _T("Syntax: ") DV_CMD _T(" [<PATH>][<VALUE_NAME>] [/?]\n\n")
189 _T(" <PATH> - Optional relative path of key which value will be delete.\n")
190 _T(" <VALUE_NAME> - Name pattern of key's value. Default is key's default value.\n")
191 _T(" /? - This help.\n\n");
192}
193
195{
196 return DV_CMD_SHORT_DESC;
197}
void InvalidateCompletion()
Definition: Completion.cpp:511
BOOL PatternMatch(const TCHAR *pszPattern, const TCHAR *pszTry)
Definition: Pattern.cpp:28
#define COMMAND_NA_ON_ROOT
#define DV_CMD_LENGTH
#define DV_CMD_SHORT_DESC
#define DV_CMD
Definition: bufpool.h:45
void ResetArgumentIteration()
TCHAR * GetNextArgument()
BOOL Write(const TCHAR *p, DWORD dwChars=0)
Definition: Console.cpp:90
BOOL GetKey(const TCHAR *pchRelativePath, REGSAM DesiredAccess, CRegistryKey &rKey)
const TCHAR * GetLastErrorDescription()
virtual const TCHAR * GetHelpShortDescriptionString()
virtual const TCHAR * GetHelpString()
CShellCommandDeleteValue(CRegistryTree &rTree)
virtual int Execute(CConsole &rConsole, CArgumentParser &rArguments)
virtual BOOL Match(const TCHAR *pchCommand)
#define ERROR_SUCCESS
Definition: deptool.c:10
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
unsigned int BOOL
Definition: ntddk_ex.h:94
unsigned long DWORD
Definition: ntddk_ex.h:95
GLdouble s
Definition: gl.h:2039
#define _tcscmp
Definition: tchar.h:1424
#define _stprintf
Definition: utility.h:124
#define _tcsrchr
Definition: utility.h:116
#define KEY_QUERY_VALUE
Definition: nt_native.h:1016
#define KEY_SET_VALUE
Definition: nt_native.h:1017
long LONG
Definition: pedump.c:60
#define _T(x)
Definition: vfdio.h:22
char TCHAR
Definition: xmlstorage.h:189
#define _tcsnicmp
Definition: xmlstorage.h:207
#define _tcslen
Definition: xmlstorage.h:198
#define _tcsicmp
Definition: xmlstorage.h:205