reactos/modules/rosapps/applications/explorer-old/shell/regfs.cpp

310 lines
7.6 KiB
C++

/*
* Copyright 2004 Martin Fuchs
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//
// Explorer clone
//
// ntobjfs.cpp
//
// Martin Fuchs, 31.01.2004
//
#include <precomp.h>
#include "regfs.h"
void RegDirectory::read_directory(int scan_flags)
{
CONTEXT("RegDirectory::read_directory()");
Entry* first_entry = NULL;
int level = _level + 1;
TCHAR buffer[MAX_PATH];
_tcscpy(buffer, (LPCTSTR)_path);
LPTSTR pname = buffer + _tcslen(buffer);
int plen = MAX_PATH - _tcslen(buffer);
HKEY hkey;
if (!RegOpenKeyEx(_hKeyRoot, *buffer=='\\'?buffer+1:buffer, 0, STANDARD_RIGHTS_READ|KEY_QUERY_VALUE|KEY_ENUMERATE_SUB_KEYS, &hkey)) {
if (pname[-1] != '\\')
*pname++ = '\\', plen--;
TCHAR name[MAX_PATH], class_name[MAX_PATH];
WIN32_FIND_DATA w32fd;
Entry* last = NULL;
RegEntry* entry;
for(int idx=0; ; ++idx) {
memset(&w32fd, 0, sizeof(WIN32_FIND_DATA));
DWORD name_len = MAX_PATH;
DWORD class_len = MAX_PATH;
if (RegEnumKeyEx(hkey, idx, name, &name_len, 0, class_name, &class_len, &w32fd.ftLastWriteTime))
break;
w32fd.dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY;
_tcsncpy(w32fd.cFileName, name, name_len);
_tcscpy_s(pname, plen, name);
entry = new RegDirectory(this, buffer, _hKeyRoot);
memcpy(&entry->_data, &w32fd, sizeof(WIN32_FIND_DATA));
if (class_len)
entry->_type_name = _tcsdup(String(class_name, class_len));
if (!first_entry)
first_entry = entry;
if (last)
last->_next = entry;
entry->_level = level;
last = entry;
}
/*
TCHAR value[MAX_PATH];
LONG value_len = sizeof(value);
if (!RegQueryValue(hkey, NULL, value, &value_len) && value_len>1) {
memset(&w32fd, 0, sizeof(WIN32_FIND_DATA));
lstrcpy(w32fd.cFileName, TEXT("(Default)"));
entry = new RegEntry(this);
memcpy(&entry->_data, &w32fd, sizeof(WIN32_FIND_DATA));
entry->_content = _tcsdup(value);
if (!first_entry)
first_entry = entry;
if (last)
last->_next = entry;
entry->_level = level;
last = entry;
}
*/
DWORD type;
for(int idx=0; ; ++idx) {
DWORD name_len = MAX_PATH;
if (RegEnumValue(hkey, idx, name, &name_len, 0, &type, NULL, NULL))
break;
memset(&w32fd, 0, sizeof(WIN32_FIND_DATA));
if (name[0])
lstrcpy(w32fd.cFileName, name);
else
lstrcpy(w32fd.cFileName, TEXT("(Default)"));
entry = new RegEntry(this);
memcpy(&entry->_data, &w32fd, sizeof(WIN32_FIND_DATA));
switch(type) {
case REG_NONE: entry->_type_name = _tcsdup(TEXT("REG_NONE")); break;
case REG_SZ: entry->_type_name = _tcsdup(TEXT("REG_SZ")); break;
case REG_EXPAND_SZ: entry->_type_name = _tcsdup(TEXT("REG_EXPAND_SZ")); break;
case REG_BINARY: entry->_type_name = _tcsdup(TEXT("REG_BINARY")); break;
case REG_DWORD: entry->_type_name = _tcsdup(TEXT("REG_DWORD")); break;
case REG_DWORD_BIG_ENDIAN: entry->_type_name = _tcsdup(TEXT("REG_DWORD_BIG_ENDIAN")); break;
case REG_LINK: entry->_type_name = _tcsdup(TEXT("REG_LINK")); break;
case REG_MULTI_SZ: entry->_type_name = _tcsdup(TEXT("REG_MULTI_SZ")); break;
case REG_RESOURCE_LIST: entry->_type_name = _tcsdup(TEXT("REG_RESOURCE_LIST")); break;
case REG_FULL_RESOURCE_DESCRIPTOR: entry->_type_name = _tcsdup(TEXT("REG_FULL_RESOURCE_DESCRIPTOR")); break;
case REG_RESOURCE_REQUIREMENTS_LIST: entry->_type_name = _tcsdup(TEXT("REG_RESOURCE_REQUIREMENTS_LIST"));break;
case REG_QWORD: entry->_type_name = _tcsdup(TEXT("REG_QWORD")); break;
}
///@todo This can also be done in the RegEnumValue() call if we dynamically adjust the return buffer size.
TCHAR value[MAX_PATH];
DWORD value_len = sizeof(value);
if (!RegQueryValueEx(hkey, name, NULL, NULL, (LPBYTE)value, &value_len)) {
if (type==REG_SZ || type==REG_EXPAND_SZ || type==REG_LINK)
entry->_content = _tcsdup(value);
else if (type == REG_DWORD) {
TCHAR b[32];
_stprintf(b, TEXT("%ld"), *(DWORD*)&value);
entry->_content = _tcsdup(b);
}
}
if (!first_entry)
first_entry = entry;
if (last)
last->_next = entry;
entry->_level = level;
last = entry;
}
if (last)
last->_next = NULL;
RegCloseKey(hkey);
}
_down = first_entry;
_scanned = true;
}
const void* RegDirectory::get_next_path_component(const void* p) const
{
LPCTSTR s = (LPCTSTR) p;
while(*s && *s!=TEXT('\\'))
++s;
while(*s==TEXT('\\'))
++s;
if (!*s)
return NULL;
return s;
}
Entry* RegDirectory::find_entry(const void* p)
{
LPCTSTR name = (LPCTSTR)p;
for(Entry*entry=_down; entry; entry=entry->_next) {
LPCTSTR p = name;
LPCTSTR q = entry->_data.cFileName;
do {
if (!*p || *p==TEXT('\\') || *p==TEXT('/'))
return entry;
} while(tolower(*p++) == tolower(*q++));
p = name;
q = entry->_data.cAlternateFileName;
do {
if (!*p || *p==TEXT('\\') || *p==TEXT('/'))
return entry;
} while(tolower(*p++) == tolower(*q++));
}
return NULL;
}
// get full path of specified registry entry
bool RegEntry::get_path(PTSTR path, size_t path_count) const
{
return get_path_base ( path, path_count, ET_REGISTRY );
}
BOOL RegEntry::launch_entry(HWND hwnd, UINT nCmdShow)
{
return FALSE;
}
RegDirectory::RegDirectory(Entry* parent, LPCTSTR path, HKEY hKeyRoot)
: RegEntry(parent),
_hKeyRoot(hKeyRoot)
{
_path = _tcsdup(path);
memset(&_data, 0, sizeof(WIN32_FIND_DATA));
_data.dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY;
}
void RegistryRoot::read_directory(int scan_flags)
{
Entry *entry, *last, *first_entry;
int level = _level + 1;
_data.dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY;
entry = new RegDirectory(this, TEXT("\\"), HKEY_CURRENT_USER);
_tcscpy(entry->_data.cFileName, TEXT("HKEY_CURRENT_USER"));
entry->_level = level;
first_entry = entry;
last = entry;
entry = new RegDirectory(this, TEXT("\\"), HKEY_LOCAL_MACHINE);
_tcscpy(entry->_data.cFileName, TEXT("HKEY_LOCAL_MACHINE"));
entry->_level = level;
last->_next = entry;
last = entry;
entry = new RegDirectory(this, TEXT("\\"), HKEY_CLASSES_ROOT);
_tcscpy(entry->_data.cFileName, TEXT("HKEY_CLASSES_ROOT"));
entry->_level = level;
last->_next = entry;
last = entry;
entry = new RegDirectory(this, TEXT("\\"), HKEY_USERS);
_tcscpy(entry->_data.cFileName, TEXT("HKEY_USERS"));
entry->_level = level;
last->_next = entry;
last = entry;
/*
entry = new RegDirectory(this, TEXT("\\"), HKEY_PERFORMANCE_DATA);
_tcscpy(entry->_data.cFileName, TEXT("HKEY_PERFORMANCE_DATA"));
entry->_level = level;
last->_next = entry;
last = entry;
*/
entry = new RegDirectory(this, TEXT("\\"), HKEY_CURRENT_CONFIG);
_tcscpy(entry->_data.cFileName, TEXT("HKEY_CURRENT_CONFIG"));
entry->_level = level;
last->_next = entry;
last = entry;
/*
entry = new RegDirectory(this, TEXT("\\"), HKEY_DYN_DATA);
_tcscpy(entry->_data.cFileName, TEXT("HKEY_DYN_DATA"));
entry->_level = level;
last->_next = entry;
last = entry;
*/
last->_next = NULL;
_down = first_entry;
_scanned = true;
}