mirror of
https://github.com/reactos/reactos.git
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224 lines
4.5 KiB
C++
224 lines
4.5 KiB
C++
/*
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* Copyright 2003, 2004 Martin Fuchs
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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//
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// Explorer clone
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//
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// unixfs.cpp
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//
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// Martin Fuchs, 23.07.2003
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//
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#ifdef __WINE__
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#include <precomp.h>
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//#include "unixfs.h"
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// for UnixDirectory::read_directory()
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#include <dirent.h>
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#include <sys/stat.h>
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#include <time.h>
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void UnixDirectory::read_directory()
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{
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Entry* first_entry = NULL;
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Entry* last = NULL;
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Entry* entry;
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int level = _level + 1;
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LPCTSTR path = (LPCTSTR)_path;
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DIR* pdir = opendir(path);
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if (pdir) {
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struct stat st;
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struct dirent* ent;
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TCHAR buffer[MAX_PATH], *p;
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for(p=buffer; *path; )
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*p++ = *path++;
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if (p==buffer || p[-1]!='/')
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*p++ = '/';
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while((ent=readdir(pdir))) {
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int statres = stat(buffer, &st);
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if (!statres && S_ISDIR(st.st_mode))
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entry = new UnixDirectory(this, buffer);
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else
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entry = new UnixEntry(this);
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if (!first_entry)
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first_entry = entry;
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if (last)
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last->_next = entry;
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lstrcpy(entry->_data.cFileName, ent->d_name);
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entry->_data.dwFileAttributes = ent->d_name[0]=='.'? FILE_ATTRIBUTE_HIDDEN: 0;
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strcpy(p, ent->d_name);
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if (!statres) {
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if (S_ISDIR(st.st_mode))
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entry->_data.dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY;
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entry->_data.nFileSizeLow = st.st_size & 0xFFFFFFFF;
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entry->_data.nFileSizeHigh = st.st_size >> 32;
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memset(&entry->_data.ftCreationTime, 0, sizeof(FILETIME));
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time_to_filetime(&st.st_atime, &entry->_data.ftLastAccessTime);
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time_to_filetime(&st.st_mtime, &entry->_data.ftLastWriteTime);
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entry->_bhfi.nFileIndexLow = ent->d_ino;
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entry->_bhfi.nFileIndexHigh = 0;
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entry->_bhfi.nNumberOfLinks = st.st_nlink;
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entry->_bhfi_valid = TRUE;
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} else {
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entry->_data.nFileSizeLow = 0;
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entry->_data.nFileSizeHigh = 0;
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entry->_bhfi_valid = FALSE;
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}
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entry->_up = this;
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entry->_expanded = FALSE;
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entry->_scanned = FALSE;
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entry->_level = level;
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last = entry;
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}
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last->_next = NULL;
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closedir(pdir);
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}
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_down = first_entry;
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_scanned = true;
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}
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const void* UnixDirectory::get_next_path_component(const void* p)
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{
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LPCTSTR s = (LPCTSTR) p;
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while(*s && *s!=TEXT('/'))
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++s;
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while(*s == TEXT('/'))
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++s;
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if (!*s)
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return NULL;
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return s;
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}
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Entry* UnixDirectory::find_entry(const void* p)
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{
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LPCTSTR name = (LPCTSTR)p;
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for(Entry*entry=_down; entry; entry=entry->_next) {
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LPCTSTR p = name;
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LPCTSTR q = entry->_data.cFileName;
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do {
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if (!*p || *p==TEXT('/'))
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return entry;
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} while(*p++ == *q++);
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}
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return NULL;
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}
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// get full path of specified directory entry
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bool UnixEntry::get_path(PTSTR path, size_t path_count) const
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{
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int level = 0;
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size_t len = 0;
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if (!path || path_count==0)
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return false;
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if ( path_count > 1 )
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{
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for(const Entry* entry=this; entry; level++) {
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LPCTSTR name = entry->_data.cFileName;
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size_t l = 0;
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for(LPCTSTR s=name; *s && *s!=TEXT('/'); s++)
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++l;
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if (entry->_up) {
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if (l > 0) {
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if ( len+l+1 >= path_count )
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{
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/* compare to 2 here because of terminator plus the '\\' we prepend */
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if ( l + 2 > path_count )
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len = 0;
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else
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len = path_count - l - 2;
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}
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memmove(path+l+1, path, len*sizeof(TCHAR));
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/* compare to 2 here because of terminator plus the '\\' we prepend */
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if ( l+2 >= path_count )
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l = path_count - 2;
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memcpy(path+1, name, l*sizeof(TCHAR));
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len += l+1;
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path[0] = TEXT('/');
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}
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entry = entry->_up;
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} else {
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if ( len+l >= path_count )
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{
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if ( l + 1 > path_count )
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len = 0;
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else
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len = path_count - l - 1;
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}
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memmove(path+l, path, len*sizeof(TCHAR));
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if ( l+1 >= path_count )
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l = path_count - 1;
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memcpy(path, name, l*sizeof(TCHAR));
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len += l;
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break;
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}
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}
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if ( !level && (len+1 < path_count) )
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path[len++] = TEXT('/');
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}
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path[len] = TEXT('\0');
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return true;
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}
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#endif // __WINE__
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