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Diffstat (limited to 'lib/recycler.cpp')
| -rw-r--r-- | lib/recycler.cpp | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/lib/recycler.cpp b/lib/recycler.cpp deleted file mode 100644 index 1c743a0c..00000000 --- a/lib/recycler.cpp +++ /dev/null @@ -1,210 +0,0 @@ -// ************************************************************************** -// * This file is part of the FreeFileSync project. It is distributed under * -// * GNU General Public License: http://www.gnu.org/licenses/gpl.html * -// * Copyright (C) ZenJu (zhnmju123 AT gmx DOT de) - All Rights Reserved * -// ************************************************************************** - -#include "recycler.h" -#include <stdexcept> -#include <iterator> -#include <zen/file_handling.h> - -#ifdef FFS_WIN -#include <algorithm> -#include <functional> -#include <vector> -#include <boost/thread/once.hpp> -#include <zen/dll.h> -#include <zen/win.h> //includes "windows.h" -#include <zen/assert_static.h> -#include <zen/win_ver.h> -#include <zen/long_path_prefix.h> -#include "IFileOperation/file_op.h" - -#elif defined FFS_LINUX -#include <zen/scope_guard.h> -#include <sys/stat.h> -#include <gio/gio.h> -#endif - -using namespace zen; - - -namespace -{ -#ifdef FFS_WIN -/* -Performance test: delete 1000 files ------------------------------------- -SHFileOperation - single file 33s -SHFileOperation - multiple files 2,1s -IFileOperation - single file 33s -IFileOperation - multiple files 2,1s - -=> SHFileOperation and IFileOperation have nearly IDENTICAL performance characteristics! - -Nevertheless, let's use IFileOperation for better error reporting! -*/ - -void moveToWindowsRecycler(const std::vector<Zstring>& filesToDelete) //throw FileError -{ - if (filesToDelete.empty()) - return; - - static bool useIFileOperation = false; - static boost::once_flag once = BOOST_ONCE_INIT; //caveat: function scope static initialization is not thread-safe in VS 2010! - boost::call_once(once, [] { useIFileOperation = vistaOrLater(); }); - - if (useIFileOperation) //new recycle bin usage: available since Vista - { - std::vector<const wchar_t*> fileNames; - std::transform(filesToDelete.begin(), filesToDelete.end(), - std::back_inserter(fileNames), std::mem_fun_ref(&Zstring::c_str)); - - using namespace fileop; - const DllFun<MoveToRecycleBinFct> moveToRecycler(getDllName(), moveToRecycleBinFctName); - const DllFun<GetLastErrorFct> getLastError (getDllName(), getLastErrorFctName); - - if (!moveToRecycler || !getLastError) - throw FileError(replaceCpy(_("Unable to move %x to the Recycle Bin!"), L"%x", std::wstring(L"\"") + fileNames[0] + L"\"") + L"\n\n" + //report first file only... better than nothing - replaceCpy(_("Cannot load file %x."), L"%x", std::wstring(L"\"") + getDllName() + L"\"")); - - //#warning moving long file paths to recycler does not work! clarify! - // std::vector<Zstring> temp; - // std::transform(filesToDelete.begin(), filesToDelete.end(), - // std::back_inserter(temp), std::ptr_fun(zen::removeLongPathPrefix)); //::IFileOperation() can't handle \\?\-prefix! - - if (!moveToRecycler(&fileNames[0], //array must not be empty - fileNames.size())) - { - std::vector<wchar_t> msgBuffer(2000); - getLastError(&msgBuffer[0], msgBuffer.size()); - - throw FileError(replaceCpy(_("Unable to move %x to the Recycle Bin!"), L"%x", std::wstring(L"\"") + fileNames[0] + L"\"") + L"\n\n" + //report first file only... better than nothing - &msgBuffer[0]); - } - } - else //regular recycle bin usage: available since XP - { - Zstring filenameDoubleNull; - for (std::vector<Zstring>::const_iterator i = filesToDelete.begin(); i != filesToDelete.end(); ++i) - { - //#warning moving long file paths to recycler does not work! clarify! - //filenameDoubleNull += removeLongPathPrefix(*i); //::SHFileOperation() can't handle \\?\-prefix! - //You should use fully-qualified path names with this function. Using it with relative path names is not thread safe. - filenameDoubleNull += *i; //::SHFileOperation() can't handle \\?\-prefix! - filenameDoubleNull += L'\0'; - } - - SHFILEOPSTRUCT fileOp = {}; - fileOp.hwnd = nullptr; - fileOp.wFunc = FO_DELETE; - fileOp.pFrom = filenameDoubleNull.c_str(); - fileOp.pTo = nullptr; - fileOp.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION | FOF_SILENT | FOF_NOERRORUI; - fileOp.fAnyOperationsAborted = false; - fileOp.hNameMappings = nullptr; - fileOp.lpszProgressTitle = nullptr; - - if (::SHFileOperation(&fileOp) != 0 || fileOp.fAnyOperationsAborted) - { - throw FileError(replaceCpy(_("Unable to move %x to the Recycle Bin!"), L"%x", std::wstring(L"\"") + filenameDoubleNull.c_str() + L"\"")); //report first file only... better than nothing - } - } -} -#endif -} - - -bool zen::moveToRecycleBin(const Zstring& filename) //throw FileError -{ - if (!somethingExists(filename)) - return false; //neither file nor any other object with that name existing: no error situation, manual deletion relies on it! - -#ifdef FFS_WIN - //::SetFileAttributes(applyLongPathPrefix(filename).c_str(), FILE_ATTRIBUTE_NORMAL); - //both SHFileOperation and IFileOperation are not able to delete a folder named "System Volume Information" with normal attributes but shamelessly report success - - std::vector<Zstring> fileNames; - fileNames.push_back(filename); - ::moveToWindowsRecycler(fileNames); //throw FileError - -#elif defined FFS_LINUX - GFile* file = g_file_new_for_path(filename.c_str()); //never fails according to docu - ZEN_ON_SCOPE_EXIT(g_object_unref(file);) - - GError* error = nullptr; - ZEN_ON_SCOPE_EXIT(if (error) g_error_free(error);); - - if (!g_file_trash(file, nullptr, &error)) - { - if (!error) - throw FileError(replaceCpy(_("Unable to move %x to the Recycle Bin!"), L"%x", L"\"" + filename + L"\"") + L"\n\n" + - L"Unknown error."); - - //implement same behavior as in Windows: if recycler is not existing, delete permanently - if (error->code == G_IO_ERROR_NOT_SUPPORTED) - { - struct stat fileInfo = {}; - if (::lstat(filename.c_str(), &fileInfo) != 0) - return false; - - if (S_ISLNK(fileInfo.st_mode) || S_ISREG(fileInfo.st_mode)) - removeFile(filename); //throw FileError - else if (S_ISDIR(fileInfo.st_mode)) - removeDirectory(filename); //throw FileError - return true; - } - - //assemble error message - const std::wstring errorMessage = L"Glib Error Code " + numberTo<std::wstring>(error->code) + /* L", " + - g_quark_to_string(error->domain) + */ L": " + utf8CvrtTo<std::wstring>(error->message); - - throw FileError(replaceCpy(_("Unable to move %x to the Recycle Bin!"), L"%x", L"\"" + filename + L"\"") + L"\n\n" + - errorMessage); - } -#endif - return true; -} - - -#ifdef FFS_WIN -zen::StatusRecycler zen::recycleBinStatus(const Zstring& pathName) -{ - const DWORD bufferSize = MAX_PATH + 1; - std::vector<wchar_t> buffer(bufferSize); - if (::GetVolumePathName(pathName.c_str(), //__in LPCTSTR lpszFileName, - &buffer[0], //__out LPTSTR lpszVolumePathName, - bufferSize)) //__in DWORD cchBufferLength - { - Zstring rootPath = &buffer[0]; - if (!endsWith(rootPath, FILE_NAME_SEPARATOR)) //a trailing backslash is required - rootPath += FILE_NAME_SEPARATOR; - - SHQUERYRBINFO recInfo = {}; - recInfo.cbSize = sizeof(recInfo); - HRESULT rv = ::SHQueryRecycleBin(rootPath.c_str(), //__in_opt LPCTSTR pszRootPath, - &recInfo); //__inout LPSHQUERYRBINFO pSHQueryRBInfo - return rv == S_OK ? STATUS_REC_EXISTS : STATUS_REC_MISSING; - } - return STATUS_REC_UNKNOWN; -} -#elif defined FFS_LINUX -/* -We really need access to a similar function to check whether a directory supports trashing and emit a warning if it does not! - -The following function looks perfect, alas it is restricted to local files and to the implementation of GIO only: - - gboolean _g_local_file_has_trash_dir(const char* dirname, dev_t dir_dev); - See: http://www.netmite.com/android/mydroid/2.0/external/bluetooth/glib/gio/glocalfileinfo.h - - Just checking for "G_FILE_ATTRIBUTE_ACCESS_CAN_TRASH" is not correct, since we find in - http://www.netmite.com/android/mydroid/2.0/external/bluetooth/glib/gio/glocalfileinfo.c - - g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_ACCESS_CAN_TRASH, - writable && parent_info->has_trash_dir); - - => We're NOT interested in whether the specified folder can be trashed, but whether it supports thrashing its child elements! (Only support, not actual write access!) - This renders G_FILE_ATTRIBUTE_ACCESS_CAN_TRASH useless for this purpose. -*/ -#endif |