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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#if defined WNT
#include <windows.h>
#include <io.h>
#elif defined UNX
#include <fcntl.h>
#include <unistd.h>
#include <sys/stat.h>
#endif
#include <ctype.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "comdep.hxx"
#include <tools/stream.hxx>
#include <osl/file.hxx>
using namespace ::osl;
FileCopier::FileCopier( const DirEntry& rSource, const DirEntry& rTarget ) :
aSource ( rSource ),
aTarget ( rTarget ),
nBytesTotal ( 0 ),
nBytesCopied( 0 ),
nBlockSize ( 4096 ),
pImp ( new FileCopier_Impl )
{
}
FileCopier::FileCopier( const FileCopier& rCopier ) :
aSource ( rCopier.aSource ),
aTarget ( rCopier.aTarget ),
nBytesTotal ( 0 ),
nBytesCopied ( 0 ),
aProgressLink ( rCopier.aProgressLink ),
nBlockSize ( 4096 ),
pImp ( new FileCopier_Impl )
{
}
FileCopier::~FileCopier()
{
delete pImp;
}
FileCopier& FileCopier::operator = ( const FileCopier &rCopier )
{
aSource = rCopier.aSource;
aTarget = rCopier.aTarget;
nBytesTotal = rCopier.nBytesTotal;
nBytesCopied = rCopier.nBytesCopied;
nBytesCopied = rCopier.nBytesCopied;
nBlockSize = rCopier.nBlockSize;
aProgressLink = rCopier.aProgressLink;
*pImp = *(rCopier.pImp);
return *this;
}
sal_Bool FileCopier::Progress()
{
if ( !aProgressLink )
return sal_True;
else
{
if ( aProgressLink.Call( this ) )
return sal_True;
return ( 0 == Error( ERRCODE_ABORT, 0, 0 ) );
}
}
ErrCode FileCopier::Error( ErrCode eErr, const DirEntry* pSource, const DirEntry* pTarget )
{
// No error or no error handler?
if ( !eErr || !pImp->aErrorLink )
// => keep error
return eErr;
// otherwise request from ErrorHandler
pImp->pErrSource = pSource;
pImp->pErrTarget = pTarget;
pImp->eErr = eErr;
ErrCode eRet = (ErrCode) pImp->aErrorLink.Call( this );
pImp->pErrSource = 0;
pImp->pErrTarget = 0;
return eRet;
}
FSysError FileCopier::DoCopy_Impl( const DirEntry &rSource, const DirEntry &rTarget )
{
FSysError eRet = FSYS_ERR_OK;
ErrCode eWarn = FSYS_ERR_OK;
// shorten target name if necessary
DirEntry aTgt;
aTgt = rTarget;
// source is directory?
FileStat aSourceFileStat( rSource );
if ( aSourceFileStat.IsKind( FSYS_KIND_DIR ) )
{
// recursive copy
eRet = Error( aTgt.MakeDir() ? FSYS_ERR_OK : FSYS_ERR_UNKNOWN, 0, &aTgt );
Dir aSourceDir( rSource, FSYS_KIND_DIR|FSYS_KIND_FILE );
for ( sal_uInt16 n = 0; ERRCODE_TOERROR(eRet) == FSYS_ERR_OK && n < aSourceDir.Count(); ++n )
{
const DirEntry &rSubSource = aSourceDir[n];
DirEntryFlag eFlag = rSubSource.GetFlag();
if ( eFlag != FSYS_FLAG_CURRENT && eFlag != FSYS_FLAG_PARENT )
{
DirEntry aSubTarget( aTgt );
aSubTarget += rSubSource.GetName();
eRet = DoCopy_Impl( rSubSource, aSubTarget );
if ( eRet && !eWarn )
eWarn = eRet;
}
}
}
else if ( aSourceFileStat.IsKind(FSYS_KIND_FILE) )
{
if ( ( FSYS_ACTION_KEEP_EXISTING == ( pImp->nActions & FSYS_ACTION_KEEP_EXISTING ) ) &&
aTgt.Exists() )
{
// Do not overwrite existing file in target folder.
return ERRCODE_NONE;
}
// copy file
nBytesCopied = 0;
nBytesTotal = FileStat( rSource ).GetSize();
::rtl::OUString aFileName;
FileBase::getFileURLFromSystemPath( ::rtl::OUString(rSource.GetFull()), aFileName );
SvFileStream aSrc( aFileName, STREAM_READ|STREAM_NOCREATE|STREAM_SHARE_DENYNONE );
if ( !aSrc.GetError() )
{
#ifdef UNX
struct stat buf;
if ( fstat( aSrc.GetFileHandle(), &buf ) == -1 )
eRet = Error( FSYS_ERR_ACCESSDENIED, 0, &aTgt );
#endif
::rtl::OUString aTargetFileName;
FileBase::getFileURLFromSystemPath( ::rtl::OUString(aTgt.GetFull()), aTargetFileName );
SvFileStream aTargetStream( aTargetFileName, STREAM_WRITE | STREAM_TRUNC | STREAM_SHARE_DENYWRITE );
if ( !aTargetStream.GetError() )
{
#ifdef UNX
if ( fchmod( aTargetStream.GetFileHandle(), buf.st_mode ) == -1 )
eRet = Error( FSYS_ERR_ACCESSDENIED, 0, &aTgt );
#endif
size_t nAllocSize = 0, nSize = 0;
char *pBuf = 0;
while ( Progress() && nSize == nAllocSize && eRet == FSYS_ERR_OK )
{
// adjust the block-size
if ( nBlockSize > nAllocSize )
{
delete[] pBuf;
nAllocSize = nBlockSize;
pBuf = new char[nAllocSize];
}
// copy one block
nSize = aSrc.Read( pBuf, nBlockSize );
aTargetStream.Write( pBuf, nSize );
if ( aTargetStream.GetError() )
eRet = Error( aTargetStream.GetError(), 0, &aTgt );
// adjust counters
nBytesCopied += nSize;
if ( nBytesCopied > nBytesTotal )
nBytesTotal = nBytesCopied;
}
delete[] pBuf;
}
else
eRet = Error( aTargetStream.GetError(), 0, &aTgt );
aTargetStream.Close();
// remove incomplete file
if ( nBytesCopied != nBytesTotal )
{
aTgt.Kill();
}
}
else
eRet = Error( aSrc.GetError(), &rSource, 0 );
}
else if ( aSourceFileStat.IsKind(FSYS_KIND_NONE) )
eRet = Error( ERRCODE_IO_NOTEXISTS, &rSource, 0 );
else
eRet = Error( ERRCODE_IO_NOTSUPPORTED, &rSource, 0 );
#ifdef WNT
// Set LastWriteTime and Attributes of the target identical with the source
if ( FSYS_ERR_OK == ERRCODE_TOERROR(eRet) )
{
WIN32_FIND_DATA fdSource;
rtl::OString aFullSource(rtl::OUStringToOString(aSource.GetFull(), osl_getThreadTextEncoding()));
rtl::OString aFullTarget(rtl::OUStringToOString(aTgt.GetFull(), osl_getThreadTextEncoding()));
HANDLE hFind = FindFirstFile( aFullSource.getStr() , &fdSource );
if ( hFind != INVALID_HANDLE_VALUE )
{
FindClose( hFind );
HANDLE hFile = CreateFile( aFullTarget.getStr(), GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
if ( hFile != INVALID_HANDLE_VALUE )
{
SetFileTime( hFile, NULL, NULL, &fdSource.ftLastWriteTime );
CloseHandle( hFile );
}
SetFileAttributes( aFullTarget.getStr(), fdSource.dwFileAttributes );
}
}
#endif
// Remove File/Dir upon Move if necessary
if ( FSYS_ERR_OK == ERRCODE_TOERROR(eRet) && ( pImp->nActions & FSYS_ACTION_MOVE ) )
{
ErrCode eKillErr = Error( rSource.Kill() | ERRCODE_WARNING_MASK, &rSource, 0 );
if ( eKillErr != ERRCODE_WARNING_MASK )
{
if ( rSource.Exists() )
// Removal failed => remove copy
aTgt.Kill( pImp->nActions );
if ( !eWarn )
eWarn = eKillErr;
}
}
return !eRet ? eWarn : eRet;
}
FSysError FileCopier::Execute( FSysAction nActions )
{
return ExecuteExact( nActions );
}
FSysError FileCopier::ExecuteExact( FSysAction nActions, FSysExact eExact )
{
DirEntry aAbsSource = DirEntry( aSource);
DirEntry aAbsTarget = DirEntry( aTarget );
pImp->nActions = nActions;
// check if both paths are accessible and source and target are different
if ( !aAbsTarget.ToAbs() || !aAbsSource.ToAbs() || aAbsTarget == aAbsSource )
return FSYS_ERR_ACCESSDENIED;
// check if copy would be endless recursive into itself
if ( FSYS_ACTION_RECURSIVE == ( nActions & FSYS_ACTION_RECURSIVE ) &&
aAbsSource.Contains( aAbsTarget ) )
return ERRCODE_IO_RECURSIVE;
// target is directory?
if ( eExact == FSYS_NOTEXACT &&
FileStat( aAbsTarget ).IsKind(FSYS_KIND_DIR) && FileStat( aAbsSource ).IsKind(FSYS_KIND_FILE) )
// append name of source
aAbsTarget += aSource.GetName();
// recursive copy
return DoCopy_Impl( aAbsSource, aAbsTarget );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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