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authorDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
committerDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
commitbd6336c629841c6db3a6ca53a936d629d34db53b (patch)
tree3721ef997864108df175ce677a8a7d4342a6f1d2 /shared/file_handling.h
parent4.0 (diff)
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4.1
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diff --git a/shared/file_handling.h b/shared/file_handling.h
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-// **************************************************************************
-// * 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) 2008-2011 ZenJu (zhnmju123 AT gmx.de) *
-// **************************************************************************
-
-#ifndef FILE_HANDLING_H_INCLUDED
-#define FILE_HANDLING_H_INCLUDED
-
-#include "zstring.h"
-#include "file_error.h"
-#include "int64.h"
-
-namespace zen
-{
-struct CallbackRemoveDir;
-struct CallbackMoveFile;
-struct CallbackCopyFile;
-
-
-bool fileExists (const Zstring& filename); //throw() replaces wxFileExists()
-bool dirExists (const Zstring& dirname); //throw() replaces wxDirExists()
-bool symlinkExists (const Zstring& objname); //throw() check whether a symbolic link exists
-bool somethingExists(const Zstring& objname); //throw() check whether any object with this name exists
-
-//check whether two folders are located on the same (logical) volume
-//left and right directories NEED NOT yet exist! volume prefix is sufficient! path may end with PATH_SEPARATOR
-enum ResponseSame
-{
- IS_SAME_YES,
- IS_SAME_NO,
- IS_SAME_CANT_SAY
-};
-ResponseSame onSameVolume(const Zstring& folderLeft, const Zstring& folderRight); //throw()
-
-enum ProcSymlink
-{
- SYMLINK_DIRECT,
- SYMLINK_FOLLOW
-};
-
-Int64 getFileTime(const Zstring& filename, ProcSymlink procSl); //throw FileError
-void setFileTime(const Zstring& filename, const Int64& modificationTime, ProcSymlink procSl); //throw FileError
-
-//symlink handling: always evaluate target
-UInt64 getFilesize(const Zstring& filename); //throw FileError
-
-//file handling
-bool removeFile(const Zstring& filename); //return "true" if file was actually deleted; throw (FileError)
-void removeDirectory(const Zstring& directory, CallbackRemoveDir* callback = NULL); //throw FileError
-
-
-//rename file or directory: no copying!!!
-void renameFile(const Zstring& oldName, const Zstring& newName); //throw FileError;
-
-//move source to target; expectations: all super-directories of target exist
-//"ignoreExisting": if target already exists, source is deleted
-void moveFile(const Zstring& sourceFile, const Zstring& targetFile, bool ignoreExisting, CallbackMoveFile* callback); //throw FileError;
-
-//move source to target including subdirectories
-//"ignoreExisting": existing directories and files will be enriched
-void moveDirectory(const Zstring& sourceDir, const Zstring& targetDir, bool ignoreExisting, CallbackMoveFile* callback); //throw FileError;
-
-//creates superdirectories automatically:
-void createDirectory(const Zstring& directory, const Zstring& templateDir, bool copyFilePermissions); //throw FileError;
-void createDirectory(const Zstring& directory); //throw FileError; -> function overload avoids default parameter ambiguity issues!
-
-struct FileAttrib
-{
- UInt64 fileSize;
- Int64 modificationTime; //size_t UTC compatible
-};
-
-void copyFile(const Zstring& sourceFile, //throw FileError, ErrorTargetPathMissing, ErrorFileLocked (Windows-only)
- const Zstring& targetFile, //symlink handling: dereference source
- bool copyFilePermissions,
- bool transactionalCopy,
- CallbackCopyFile* callback, //may be NULL
- FileAttrib* sourceAttr = NULL); //return current attributes at the time of copy
-//Note: it MAY happen that copyFile() leaves temp files behind, e.g. temporary network drop.
-// => clean them up at an appropriate time (automatically set sync directions to delete them). They have the following ending:
-const Zstring TEMP_FILE_ENDING = Zstr(".ffs_tmp");
-
-void copySymlink(const Zstring& sourceLink, const Zstring& targetLink, bool copyFilePermissions); //throw FileError
-
-
-
-
-//----------- callbacks ---------------
-struct CallbackRemoveDir
-{
- virtual ~CallbackRemoveDir() {}
- virtual void notifyFileDeletion(const Zstring& filename) = 0;
- virtual void notifyDirDeletion(const Zstring& dirname) = 0;
-};
-
-
-struct CallbackCopyFile //callback functionality
-{
- virtual ~CallbackCopyFile() {}
-
- //if target is existing user needs to implement deletion: copyFile() NEVER deletes target if already existing!
- //at this point full read access on source had been proven, so it's safe to delete it.
- virtual void deleteTargetFile(const Zstring& targetFile) = 0; //may throw exceptions
-
- //may throw:
- //Linux: unconditionally
- //Windows: first exception is swallowed, requestUiRefresh() is then called again where it should throw again and exception will propagate as expected
- virtual void updateCopyStatus(UInt64 totalBytesTransferred) = 0;
-};
-
-
-struct CallbackMoveFile //callback functionality
-{
- virtual ~CallbackMoveFile() {}
- virtual void requestUiRefresh(const Zstring& currentObject) = 0; //see CallbackCopyFile!
-};
-}
-
-#endif //FILE_HANDLING_H_INCLUDED
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