99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
//
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// Copyright (C) 2001-2004 Graeme Walker <graeme_walker@users.sourceforge.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later
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// version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// ===
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//
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// gfile.h
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//
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#ifndef G_FILE_H
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#define G_FILE_H
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#include "gdef.h"
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#include "gpath.h"
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#include "gexception.h"
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#include <cstdio> // std::remove()
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namespace G
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{
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class File ;
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class DirectoryIteratorImp ;
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}
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// Class: G::File
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// Description: A simple static class for dealing with files.
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// See also: G::Path, G::FileSystem, G::Directory
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//
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class G::File
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{
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public:
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G_EXCEPTION( StatError , "cannot stat() file" ) ;
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G_EXCEPTION( CannotRemove , "cannot delete file" ) ;
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G_EXCEPTION( CannotRename , "cannot rename file" ) ;
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G_EXCEPTION( CannotCopy , "cannot copy file" ) ;
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G_EXCEPTION( CannotMkdir , "cannot mkdir" ) ;
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G_EXCEPTION( SizeOverflow , "file size overflow" ) ;
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class NoThrow // An overload discriminator class for File methods.
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{} ;
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static bool remove( const Path & path , const NoThrow & ) ;
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// Deletes the file or directory. Returns false on error.
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static void remove( const Path & path ) ;
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// Deletes the file or directory. Throws an exception on error.
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static bool rename( const Path & from , const Path & to , const NoThrow & ) ;
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// Renames the file. Returns false on error.
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static void rename( const Path & from , const Path & to ) ;
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// Renames the file.
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static bool copy( const Path & from , const Path & to , const NoThrow & ) ;
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// Copies a file. Returns false on error.
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static void copy( const Path & from , const Path & to ) ;
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// Copies a file.
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static bool mkdir( const Path & dir , const NoThrow & ) ;
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// Creates a directory. Returns false on error.
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static void mkdir( const Path & dir ) ;
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// Creates a directory.
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static std::string sizeString( const Path & file ) ;
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// Returns the file's size in string format.
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// Returns the empty string on error.
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static bool exists( const Path & file ) ;
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// Returns true if the file (or link or device etc.)
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// exists. Throws an exception if permission denied
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// or too many symlinks etc.
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static bool exists( const Path & file , const NoThrow & ) ;
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// Returns true if the file (or link or device etc.)
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// exists. Returns false on error.
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private:
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friend class G::DirectoryIteratorImp ;
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static std::string sizeString( g_uint32_t hi , g_uint32_t lo ) ; // win32
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static bool exists( const Path & , bool , bool ) ;
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static bool exists( const char * , bool & ) ; // o/s-specific
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} ;
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#endif
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