| -rw-r--r-- | library/filemanager.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/library/filemanager.cpp b/library/filemanager.cpp index 408be20..1e7384e 100644 --- a/library/filemanager.cpp +++ b/library/filemanager.cpp @@ -1,219 +1,216 @@ /********************************************************************** ** Copyright (C) 2000 Trolltech AS. All rights reserved. ** ** This file is part of Qtopia Environment. ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #include "filemanager.h" #include "applnk.h" -#include <qdir.h> -#include <qfile.h> #include <qfileinfo.h> #include <qtextstream.h> -#include <qtextcodec.h> #include <errno.h> #include <stdlib.h> #include <unistd.h> #include <sys/stat.h> #include <dirent.h> #ifdef Q_OS_MACX // MacOS X does not have sendfile.. :( // But maybe in the future.. !? # ifdef SENDFILE # include <sys/types.h> # include <sys/socket.h> # endif #else # include <sys/sendfile.h> #endif /* Q_OS_MACX */ #include <fcntl.h> /*! \class FileManager \brief The FileManager class assists with AppLnk input/output. */ /*! Constructs a FileManager. */ FileManager::FileManager() { } /*! Destroys a FileManager. */ FileManager::~FileManager() { } /*! Saves \a data as the document specified by \a f. Returns whether the operation succeeded. */ bool FileManager::saveFile( const DocLnk &f, const QByteArray &data ) { QString fn = f.file() + ".new"; ensurePathExists( fn ); QFile fl( fn ); if ( !fl.open( IO_WriteOnly|IO_Raw ) ) { qWarning("open failed"); return FALSE; } int total_written = fl.writeBlock( data ); fl.close(); if ( total_written != int(data.size()) || !f.writeLink() ) { QFile::remove( fn ); return FALSE; } qDebug("total written %d out of %d", total_written, data.size()); // else rename the file... if ( !renameFile( fn.latin1(), f.file().latin1() ) ) { qWarning( "problem renaming file %s to %s, errno: %d", fn.latin1(), f.file().latin1(), errno ); // remove the file... } return TRUE; } /*! Saves \a text as the document specified by \a f. The text is saved in UTF8 format. Returns whether the operation succeeded. */ bool FileManager::saveFile( const DocLnk &f, const QString &text ) { QString fn = f.file() + ".new"; ensurePathExists( fn ); QFile fl( fn ); if ( !fl.open( IO_WriteOnly|IO_Raw ) ) { qWarning("open failed"); return FALSE; } QCString cstr = text.utf8(); int total_written; total_written = fl.writeBlock( cstr.data(), cstr.length() ); fl.close(); if ( total_written != int(cstr.length()) || !f.writeLink() ) { QFile::remove( fn ); return FALSE; } // okay now rename the file.. if ( !renameFile( fn.latin1(), f.file().latin1() ) ) { qWarning( "problem renaming file %s to %s, errno: %d", fn.latin1(), f.file().latin1(), errno ); } return TRUE; } /*! Loads \a text from the document specified by \a f. The text is required to be in UTF8 format. Returns whether the operation succeeded. */ bool FileManager::loadFile( const DocLnk &f, QString &text ) { QString fn = f.file(); QFile fl( fn ); if ( !fl.open( IO_ReadOnly ) ) return FALSE; QTextStream ts( &fl ); #if QT_VERSION <= 230 && defined(QT_NO_CODECS) // The below should work, but doesn't in Qt 2.3.0 ts.setCodec( QTextCodec::codecForMib( 106 ) ); #else ts.setEncoding( QTextStream::UnicodeUTF8 ); #endif text = ts.read(); fl.close(); return TRUE; } /*! Loads \a ba from the document specified by \a f. Returns whether the operation succeeded. */ bool FileManager::loadFile( const DocLnk &f, QByteArray &ba ) { QString fn = f.file(); QFile fl( fn ); if ( !fl.open( IO_ReadOnly ) ) return FALSE; ba.resize( fl.size() ); if ( fl.size() > 0 ) fl.readBlock( ba.data(), fl.size() ); fl.close(); return TRUE; } /*! Copies the document specified by \a src to the document specified by \a dest. Returns whether the operation succeeded. */ bool FileManager::copyFile( const AppLnk &src, const AppLnk &dest ) { QFile sf( src.file() ); if ( !sf.open( IO_ReadOnly ) ) return FALSE; QString fn = dest.file() + ".new"; ensurePathExists( fn ); QFile df( fn ); if ( !df.open( IO_WriteOnly|IO_Raw ) ) return FALSE; const int bufsize = 16384; char buffer[bufsize]; bool ok = TRUE; int bytesRead = 0; while ( ok && !sf.atEnd() ) { bytesRead = sf.readBlock( buffer, bufsize ); if ( bytesRead < 0 ) ok = FALSE; while ( ok && bytesRead > 0 ) { int bytesWritten = df.writeBlock( buffer, bytesRead ); if ( bytesWritten < 0 ) ok = FALSE; else bytesRead -= bytesWritten; } } if ( ok ) ok = dest.writeLink(); if ( ok ) { // okay now rename the file... if ( !renameFile( fn.latin1(), dest.file().latin1() ) ) { qWarning( "problem renaming file %s to %s, errno: %d", fn.latin1(), dest.file().latin1(), errno ); // remove the tmp file, otherwise, it will just lay around... QFile::remove( fn.latin1() ); |