mirror of https://github.com/vitalif/zbackup
89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
// Copyright (c) 2012-2014 Konstantin Isakov <ikm@zbackup.org> and ZBackup contributors, see CONTRIBUTORS
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// Part of ZBackup. Licensed under GNU GPLv2 or later + OpenSSL, see LICENSE
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#ifndef DIR_HH_INCLUDED
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#define DIR_HH_INCLUDED
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#include <dirent.h>
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#include <sys/types.h>
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#include <exception>
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#include <string>
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#include "ex.hh"
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#include "nocopy.hh"
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using std::string;
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/// Directory-related operations
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namespace Dir {
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DEF_EX( Ex, "Directory exception", std::exception )
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DEF_EX_STR( exCantCreate, "Can't create directory", Ex )
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DEF_EX_STR( exCantRemove, "Can't remove directory", Ex )
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DEF_EX_STR( exCantList, "Can't list directory", Ex )
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DEF_EX_STR( exCantGetRealPath, "Can't real path of", Ex )
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/// Checks whether the given dir exists or not
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bool exists( string const & );
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/// Creates the given directory
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void create( string const & );
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/// Removes the given directory. It must be empty to be removed
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void remove( string const & );
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/// Adds one path to another, e.g. for /hello/world and baz/bar, returns
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/// /hello/world/baz/bar
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string addPath( string const & first, string const & second );
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/// Returns the canonicalized absolute pathname with symlinks resolved
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string getRealPath( string const & );
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/// Returns the directory part of the given path
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string getDirName( string const & );
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/// Checkes whether directory is empty
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bool isDirEmpty( string const & );
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/// A separator used to separate names in the path.
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inline char separator()
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{ return '/'; }
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class Entry
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{
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string fileName;
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bool dir;
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bool symlink;
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public:
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Entry() {}
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Entry( string const & fileName, bool dir, bool symlink ):
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fileName( fileName ), dir( dir ), symlink( symlink ) {}
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string const & getFileName() const
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{ return fileName; }
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bool isDir() const
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{ return dir; }
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bool isSymLink() const
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{ return symlink; }
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};
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/// Allows listing the directory
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class Listing: NoCopy
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{
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string dirName;
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DIR * dir;
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public:
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Listing( string const & dirName );
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~Listing();
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/// Return true if entry was filled, false if end of dir was encountered
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bool getNext( Entry & );
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};
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}
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#endif
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