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authorDaniel Wilhelm <daniel@wili.li>2015-10-02 14:53:20 +0200
committerDaniel Wilhelm <daniel@wili.li>2015-10-02 14:53:20 +0200
commit94db751716dd2851f99b5c4c2981da1d1f4780f8 (patch)
treee4ffc9f5ae2b2873f267a6e5d3d2092c8aad49a7 /zen/file_handling.h
parent6.10 (diff)
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6.11
Diffstat (limited to 'zen/file_handling.h')
-rw-r--r--zen/file_handling.h82
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diff --git a/zen/file_handling.h b/zen/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) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
-// **************************************************************************
-
-#ifndef FILE_HANDLING_H_8017341345614857
-#define FILE_HANDLING_H_8017341345614857
-
-#include <functional>
-#include "zstring.h"
-#include "file_error.h"
-#include "file_id_def.h"
-
-namespace zen
-{
-bool fileExists (const Zstring& filepath); //noexcept; check whether file or file-symlink exists
-bool dirExists (const Zstring& dirpath ); //noexcept; check whether directory or dir-symlink exists
-bool symlinkExists (const Zstring& linkname); //noexcept; check whether a symbolic link exists
-bool somethingExists(const Zstring& objname ); //noexcept; check whether any object with this name exists
-
-enum class ProcSymlink
-{
- DIRECT,
- FOLLOW
-};
-
-void setFileTime(const Zstring& filepath, std::int64_t modificationTime, ProcSymlink procSl); //throw FileError
-
-//symlink handling: always evaluate target
-std::uint64_t getFilesize(const Zstring& filepath); //throw FileError
-std::uint64_t getFreeDiskSpace(const Zstring& path); //throw FileError
-
-bool removeFile(const Zstring& filepath); //throw FileError; return "false" if file is not existing
-void removeDirectory(const Zstring& directory, //throw FileError
- const std::function<void (const Zstring& filepath)>& onBeforeFileDeletion = nullptr, //optional;
- const std::function<void (const Zstring& dirpath)>& onBeforeDirDeletion = nullptr); //one call for each *existing* object!
-
-//rename file or directory: no copying!!!
-void renameFile(const Zstring& oldName, const Zstring& newName); //throw FileError, ErrorDifferentVolume, ErrorTargetExisting
-
-bool supportsPermissions(const Zstring& dirpath); //throw FileError, dereferences symlinks
-
-//if parent directory not existing: create recursively:
-void makeDirectory(const Zstring& directory, bool failIfExists = false); //throw FileError, ErrorTargetExisting
-
-//fail if already existing or parent directory not existing:
-//directory should not end with path separator
-//templateDir may be empty
-void makeDirectoryPlain(const Zstring& directory, const Zstring& templateDir, bool copyFilePermissions); //throw FileError, ErrorTargetExisting, ErrorTargetPathMissing
-
-struct InSyncAttributes
-{
- std::uint64_t fileSize;
- std::int64_t modificationTime; //time_t UTC compatible
- FileId sourceFileId;
- FileId targetFileId;
-};
-
-void copyFile(const Zstring& sourceFile, //throw FileError, ErrorTargetPathMissing, ErrorFileLocked (Windows-only)
- const Zstring& targetFile, //symlink handling: dereference source
- bool copyFilePermissions,
- bool transactionalCopy,
- //if target is existing user needs to implement deletion: copyFile() NEVER overwrites target if already existing!
- //if transactionalCopy == true, full read access on source had been proven at this point, so it's safe to delete it.
- const std::function<void()>& onDeleteTargetFile, //may be nullptr; may throw!
- //Linux: unconditionally
- //Windows: first exception is swallowed, updateCopyStatus() is then called again where it should throw again and the exception will propagate as expected
- //accummulated delta != file size! consider ADS, sparse, compressed files
- const std::function<void(std::int64_t bytesDelta)>& onUpdateCopyStatus, //may be nullptr; may throw!
-
- InSyncAttributes* newAttrib = nullptr); //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 Zchar TEMP_FILE_ENDING[] = Zstr(".ffs_tmp"); //don't use Zstring as global constant: avoid static initialization order problem in global namespace!
-
-void copySymlink(const Zstring& sourceLink, const Zstring& targetLink, bool copyFilePermissions); //throw FileError
-}
-
-#endif //FILE_HANDLING_H_8017341345614857
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