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-/****************************************************************************
-**
-** Implementation of TQLocalFs class
-**
-** Created : 950429
-**
-** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA.
-**
-** This file is part of the kernel module of the TQt GUI Toolkit.
-**
-** This file may be used under the terms of the GNU General
-** Public License versions 2.0 or 3.0 as published by the Free
-** Software Foundation and appearing in the files LICENSE.GPL2
-** and LICENSE.GPL3 included in the packaging of this file.
-** Alternatively you may (at your option) use any later version
-** of the GNU General Public License if such license has been
-** publicly approved by Trolltech ASA (or its successors, if any)
-** and the KDE Free TQt Foundation.
-**
-** Please review the following information to ensure GNU General
-** Public Licensing requirements will be met:
-** http://trolltech.com/products/qt/licenses/licensing/opensource/.
-** If you are unsure which license is appropriate for your use, please
-** review the following information:
-** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
-** or contact the sales department at sales@trolltech.com.
-**
-** This file may be used under the terms of the Q Public License as
-** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
-** included in the packaging of this file. Licensees holding valid TQt
-** Commercial licenses may use this file in accordance with the TQt
-** Commercial License Agreement provided with the Software.
-**
-** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
-** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
-** herein.
-**
-**********************************************************************/
-
-#include "tqlocalfs.h"
-
-#ifndef TQT_NO_NETWORKPROTOCOL
-
-#include "tqfileinfo.h"
-#include "tqfile.h"
-#include "tqurlinfo.h"
-#include "tqapplication.h"
-#include "tqurloperator.h"
-#include "tqguardedptr.h"
-
-//#define TQLOCALFS_DEBUG
-
-
-/*!
- \class TQLocalFs tqlocalfs.h
- \brief The TQLocalFs class is an implementation of a
- TQNetworkProtocol that works on the local file system.
-\if defined(commercial)
- It is part of the <a href="commercialeditions.html">TQt Enterprise Edition</a>.
-\endif
-
- \module network
-
- \ingroup io
-
- This class is derived from TQNetworkProtocol. TQLocalFs is not
- normally used directly, but rather through a TQUrlOperator, for
- example:
- \code
- TQUrlOperator op( "file:///tmp" );
- op.listChildren(); // Asks the server to provide a directory listing
- \endcode
-
- This code will only work if the TQLocalFs class is registered; to
- register the class, you must call qInitNetworkProtocols() before
- using a TQUrlOperator with TQLocalFs.
-
- If you really need to use TQLocalFs directly, don't forget
- to set its TQUrlOperator with setUrl().
-
- \sa \link network.html TQt Network Documentation \endlink TQNetworkProtocol, TQUrlOperator
-*/
-
-/*!
- Constructor.
-*/
-
-TQLocalFs::TQLocalFs()
- : TQNetworkProtocol()
-{
-}
-
-static int convertPermissions(TQFileInfo *fi)
-{
- int p = 0;
- if ( fi->permission( TQFileInfo::ReadOwner ) )
- p |= TQUrlInfo::ReadOwner;
- if ( fi->permission( TQFileInfo::WriteOwner ) )
- p |= TQUrlInfo::WriteOwner;
- if ( fi->permission( TQFileInfo::ExeOwner ) )
- p |= TQUrlInfo::ExeOwner;
- if ( fi->permission( TQFileInfo::ReadGroup ) )
- p |= TQUrlInfo::ReadGroup;
- if ( fi->permission( TQFileInfo::WriteGroup ) )
- p |= TQUrlInfo::WriteGroup;
- if ( fi->permission( TQFileInfo::ExeGroup ) )
- p |= TQUrlInfo::ExeGroup;
- if ( fi->permission( TQFileInfo::ReadOther ) )
- p |= TQUrlInfo::ReadOther;
- if ( fi->permission( TQFileInfo::WriteOther ) )
- p |= TQUrlInfo::WriteOther;
- if ( fi->permission( TQFileInfo::ExeOther ) )
- p |= TQUrlInfo::ExeOther;
- return p;
-}
-
-/*!
- \reimp
-*/
-
-void TQLocalFs::operationListChildren( TQNetworkOperation *op )
-{
-#ifdef TQLOCALFS_DEBUG
- qDebug( "TQLocalFs: operationListChildren" );
-#endif
- op->setState( StInProgress );
-
- dir = TQDir( url()->path() );
- dir.setNameFilter( url()->nameFilter() );
- dir.setMatchAllDirs( TRUE );
- if ( !dir.isReadable() ) {
- TQString msg = tr( "Could not read directory\n%1" ).arg( url()->path() );
- op->setState( StFailed );
- op->setProtocolDetail( msg );
- op->setErrorCode( (int)ErrListChildren );
- emit finished( op );
- return;
- }
-
- const TQFileInfoList *filist = dir.entryInfoList( TQDir::All | TQDir::Hidden | TQDir::System );
- if ( !filist ) {
- TQString msg = tr( "Could not read directory\n%1" ).arg( url()->path() );
- op->setState( StFailed );
- op->setProtocolDetail( msg );
- op->setErrorCode( (int)ErrListChildren );
- emit finished( op );
- return;
- }
-
- emit start( op );
-
- TQFileInfoListIterator it( *filist );
- TQFileInfo *fi;
- TQValueList<TQUrlInfo> infos;
- while ( ( fi = it.current() ) != 0 ) {
- ++it;
- infos << TQUrlInfo( fi->fileName(), convertPermissions(fi), fi->owner(), fi->group(),
- fi->size(), fi->lastModified(), fi->lastRead(), fi->isDir(), fi->isFile(),
- fi->isSymLink(), fi->isWritable(), fi->isReadable(), fi->isExecutable() );
- }
- emit newChildren( infos, op );
- op->setState( StDone );
- emit finished( op );
-}
-
-/*!
- \reimp
-*/
-
-void TQLocalFs::operationMkDir( TQNetworkOperation *op )
-{
-#ifdef TQLOCALFS_DEBUG
- qDebug( "TQLocalFs: operationMkDir" );
-#endif
- op->setState( StInProgress );
- TQString dirname = op->arg( 0 );
-
- dir = TQDir( url()->path() );
- if ( dir.mkdir( dirname ) ) {
- TQFileInfo fi( dir, dirname );
- TQUrlInfo inf( fi.fileName(), convertPermissions(&fi), fi.owner(), fi.group(),
- fi.size(), fi.lastModified(), fi.lastRead(), fi.isDir(), fi.isFile(),
- fi.isSymLink(), fi.isWritable(), fi.isReadable(), fi.isExecutable() );
- emit newChild( inf, op );
- op->setState( StDone );
- emit createdDirectory( inf, op );
- emit finished( op );
- } else {
- TQString msg = tr( "Could not create directory\n%1" ).arg( dirname );
- op->setState( StFailed );
- op->setProtocolDetail( msg );
- op->setErrorCode( (int)ErrMkDir );
- emit finished( op );
- }
-}
-
-/*!
- \reimp
-*/
-
-void TQLocalFs::operationRemove( TQNetworkOperation *op )
-{
-#ifdef TQLOCALFS_DEBUG
- qDebug( "TQLocalFs: operationRemove" );
-#endif
- op->setState( StInProgress );
- TQString name = TQUrl( op->arg( 0 ) ).path();
- bool deleted = FALSE;
-
- dir = TQDir( url()->path() );
-
- TQFileInfo fi( dir, name );
- if ( fi.isDir() ) {
- if ( dir.rmdir( name ) )
- deleted = TRUE;
- }
-
- if ( deleted || dir.remove( name ) ) {
- op->setState( StDone );
- emit removed( op );
- emit finished( op );
- } else {
- TQString msg = tr( "Could not remove file or directory\n%1" ).arg( name );
- op->setState( StFailed );
- op->setProtocolDetail( msg );
- op->setErrorCode( (int)ErrRemove );
- emit finished( op );
- }
-}
-
-/*!
- \reimp
-*/
-
-void TQLocalFs::operationRename( TQNetworkOperation *op )
-{
-#ifdef TQLOCALFS_DEBUG
- qDebug( "TQLocalFs: operationRename" );
-#endif
- op->setState( StInProgress );
- TQString oldname = op->arg( 0 );
- TQString newname = op->arg( 1 );
-
- dir = TQDir( url()->path() );
- if ( dir.rename( oldname, newname ) ) {
- op->setState( StDone );
- emit itemChanged( op );
- emit finished( op );
- } else {
- TQString msg = tr( "Could not rename\n%1\nto\n%2" ).arg( oldname ).arg( newname );
- op->setState( StFailed );
- op->setProtocolDetail( msg );
- op->setErrorCode( (int)ErrRename );
- emit finished( op );
- }
-}
-
-/*!
- \reimp
-*/
-
-void TQLocalFs::operationGet( TQNetworkOperation *op )
-{
-#ifdef TQLOCALFS_DEBUG
- qDebug( "TQLocalFs: operationGet" );
-#endif
- op->setState( StInProgress );
- TQString from = TQUrl( op->arg( 0 ) ).path();
-
- TQFile f( from );
- if ( !f.open( IO_ReadOnly ) ) {
-#ifdef TQLOCALFS_DEBUG
- qDebug( "TQLocalFs: could not open %s", from.latin1() );
-#endif
- TQString msg = tr( "Could not open\n%1" ).arg( from );
- op->setState( StFailed );
- op->setProtocolDetail( msg );
- op->setErrorCode( (int)ErrGet );
- emit finished( op );
- return;
- }
-
- TQByteArray s;
- emit dataTransferProgress( 0, f.size(), op );
- if ( f.size() != 0 ) {
- int blockSize = calcBlockSize( f.size() );
- if ( (int)f.size() < blockSize ) {
- s.resize( f.size() );
- f.readBlock( s.data(), f.size() );
- emit data( s, op );
- emit dataTransferProgress( f.size(), f.size(), op );
-#ifdef TQLOCALFS_DEBUG
- qDebug( "TQLocalFs: got all %d bytes at once", f.size() );
-#endif
- } else {
- s.resize( blockSize );
- int remaining = f.size();
- TQGuardedPtr<TQObject> that = this;
- while ( that && remaining > 0 ) {
- if ( operationInProgress() != op )
- return;
- if ( remaining >= blockSize ) {
- f.readBlock( s.data(), blockSize );
- emit data( s, op );
- emit dataTransferProgress( f.size() - remaining, f.size(), op );
- remaining -= blockSize;
- } else {
- s.resize( remaining );
- f.readBlock( s.data(), remaining );
- emit data( s, op );
- emit dataTransferProgress( f.size() - remaining, f.size(), op );
- remaining -= remaining;
- }
- tqApp->processEvents();
- }
- if (!that)
- return;
-#ifdef TQLOCALFS_DEBUG
- qDebug( "TQLocalFs: got all %d bytes step by step", f.size() );
-#endif
- emit dataTransferProgress( f.size(), f.size(), op );
- }
- }
- op->setState( StDone );
- f.close();
- emit finished( op );
-}
-
-/*!
- \reimp
-*/
-
-void TQLocalFs::operationPut( TQNetworkOperation *op )
-{
-#ifdef TQLOCALFS_DEBUG
- qDebug( "TQLocalFs: operationPut" );
-#endif
- op->setState( StInProgress );
- TQString to = TQUrl( op->arg( 0 ) ).path();
-
- TQFile f( to );
- if ( !f.open( IO_WriteOnly ) ) {
- TQString msg = tr( "Could not write\n%1" ).arg( to );
- op->setState( StFailed );
- op->setProtocolDetail( msg );
- op->setErrorCode( (int)ErrPut );
- emit finished( op );
- return;
- }
-
- TQByteArray ba( op->rawArg( 1 ) );
- emit dataTransferProgress( 0, ba.size(), op );
- int blockSize = calcBlockSize( ba.size() );
- if ( (int)ba.size() < blockSize ) {
- f.writeBlock( ba.data(), ba.size() );
- emit dataTransferProgress( ba.size(), ba.size(), op );
- } else {
- int i = 0;
- while ( i + blockSize < (int)ba.size() - 1 ) {
- if ( operationInProgress() != op )
- return;
- f.writeBlock( &ba.data()[ i ], blockSize );
- f.flush();
- emit dataTransferProgress( i + blockSize, ba.size(), op );
- i += blockSize;
- TQGuardedPtr<TQObject> that = this;
- tqApp->processEvents();
- if (!that)
- return;
- }
- if ( i < (int)ba.size() - 1 )
- f.writeBlock( &ba.data()[ i ], ba.size() - i );
- emit dataTransferProgress( ba.size(), ba.size(), op );
- }
- op->setState( StDone );
- f.close();
- emit finished( op );
-}
-
-/*!
- \reimp
-*/
-
-int TQLocalFs::supportedOperations() const
-{
- return OpListChildren | OpMkDir | OpRemove | OpRename | OpGet | OpPut;
-}
-
-/*!
- \internal
-*/
-
-int TQLocalFs::calcBlockSize( int totalSize ) const
-{
- if ( totalSize == 0 )
- return 1024;
- int s = totalSize / 100;
- // we want a block size between 1KB and 1MB
- if ( s < 1024 )
- s = 1024;
- if ( s > 1048576 )
- s = 1048576;
- return s;
-}
-
-#endif // TQT_NO_NETWORKPROTOCOL
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