/** *  fs.cpp * *  Copyright (C) 2008  David Andrs <pda@jasnapaka.com> * *  This program is free software: you can redistribute it and/or modify *  it under the terms of the GNU General Public License as published by *  the Free Software Foundation, either version 2 of the License, or *  (at your option) any later version. * *  This program 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 General Public License for more details. * *  You should have received a copy of the GNU General Public License *  along with this program.  If not, see <http://www.gnu.org/licenses/>. * */#include <afx.h>#include "fs.h"//// Creates path for file 'fileNamePath'//BOOL CreatePath(const CString &fileNamePath) {	// remove file name	int slashPos = fileNamePath.ReverseFind('\\');	CString strPath = fileNamePath.Left(slashPos + 1);	// create path	int start = 0;	int pos = strPath.Find('\\', start);	while (pos != -1) {		if (start != -1) {			CString strDirName = strPath.Left(pos);			CreateDirectory(strDirName, NULL);		}		start = pos + 1;		pos = strPath.Find('\\', start);	}	return TRUE;}BOOL FileExists(const CString &strFileName) {	HANDLE file = CreateFile(strFileName, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);	if (file == INVALID_HANDLE_VALUE) {		return FALSE;	}	else {		CloseHandle(file);		return TRUE;	}}BOOL DirectoryExists(const CString &strDirName) {	DWORD attrs = GetFileAttributes(strDirName);	if (attrs == 0xFFFFFFFF)		return FALSE;	else if ((attrs & FILE_ATTRIBUTE_DIRECTORY) != 0)		return TRUE;	else		return FALSE;}BOOL GetFileTime(LPCTSTR fileName, FILETIME *ft) {	HANDLE hFile = CreateFile(fileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);	if (hFile != INVALID_HANDLE_VALUE) {		BOOL ret = GetFileTime(hFile, NULL, NULL, ft);		CloseHandle(hFile);		return ret;	}	else		return FALSE;}BOOL IsFileChanged(LPCTSTR fileName, FILETIME *ft) {	if (ft == NULL)		return FALSE;	BOOL change = FALSE;	FILETIME lastWrite;	if (GetFileTime(fileName, &lastWrite)) {		if (CompareFileTime(ft, &lastWrite) != 0) {			*ft = lastWrite;			change = TRUE;		}	}	else {		if (ft->dwLowDateTime == 0 && ft->dwHighDateTime == 0)			change = FALSE;		else {			change = TRUE;			memset(ft, 0, sizeof(FILETIME));		}	}	return change;}//// Removes empty directories traversing from 'rootPath' deep in the structure// 'rootPath' is not deleted//void RemoveDirectories(const CString &rootPath) {	CString path;	path.Format(_T("%s\\*.*"), rootPath);	WIN32_FIND_DATA fd;	HANDLE hFind = FindFirstFile(path, &fd);	if (hFind != INVALID_HANDLE_VALUE) {		do {			if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {				CString fileNamePath;				fileNamePath.Format(_T("%s\\%s"), rootPath, CString(fd.cFileName));				// remove the content of directory				RemoveDirectories(fileNamePath);				// remove the directory itself				RemoveDirectory(fileNamePath);			}		} while (FindNextFile(hFind, &fd));		FindClose(hFind);	}}void ScanDirForFiles(const CString &dir, const CString &mask, CList<CFileData *, CFileData *> &list) {	CString path;	path.Format(_T("%s\\*.*"), dir);	WIN32_FIND_DATA fd;	HANDLE hFind = FindFirstFile(path, &fd);	if (hFind != INVALID_HANDLE_VALUE) {		do {			CString fileNamePath;			fileNamePath.Format(_T("%s\\%s"), dir, CString(fd.cFileName));			if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {				ScanDirForFiles(fileNamePath, mask, list);			}			else {				list.AddTail(new CFileData(fileNamePath, fd.nFileSizeLow));			}		} while (FindNextFile(hFind, &fd));		FindClose(hFind);	}}BOOL RemoveLastPathPart(CString &strPath) {	int slashPos = strPath.ReverseFind('\\');	if (slashPos != -1) {		strPath = strPath.Left(slashPos);		return TRUE;	}	else		return FALSE;}
void RemoveEmptyDirs(const CString &fileName, const CString &rootDir) {
	// remove empty dirs, if there are some
	CString strFileName = fileName;

	RemoveLastPathPart(strFileName);
	while (strFileName.GetLength() > 0 && strFileName.CompareNoCase(rootDir) != 0) {
		if (RemoveDirectory(strFileName)) RemoveLastPathPart(strFileName);
		else break;
	}
}