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/*
Copyright (C) 2005-2006 Remon Sijrier
This file is part of Traverso
Traverso is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
$Id: FileHelpers.cpp,v 1.10 2007/11/05 15:49:30 r_sijrier Exp $
*/
#include "FileHelpers.h"
#include <sys/stat.h>
#include "Config.h"
#include <QDir>
#include <Utils.h>
#include <QObject>
#include <QFile>
#include "Debugger.h"
// delete file/dir pName after prepending $HOME/traversoprojects/ to it
//
// if it is a directory, calls itself recursively on any file/dir in the directory
// before removing the directory
int FileHelper::remove_recursively(const QString& pName)
{
QString name = config().get_property("Project", "directory", "/directory/unknown").toString();
name += "/" + pName;
QFileInfo fileInfo(name);
if (!fileInfo.exists()) {
PERROR("File does not exist! %s", QS_C(name));
return -1;
}
if (!fileInfo.isWritable()) {
PERROR("failed to remove %s: you don't have write access to it\n", name.toAscii().data());
return -1;
}
if(fileInfo.isFile()) {
QFile file(name);
if (!file.remove()) {
PERROR("failed to remove file %s\n", name.toAscii().data());
return -1;
}
return 1;
} else if(fileInfo.isDir()) {
QDir dir(name);
QFileInfoList list = dir.entryInfoList();
QFileInfo fi;
for (int i = 0; i < list.size(); ++i) {
fi = list.at(i);
if ((fi.fileName() != ".") && (fi.fileName() != "..")) {
QString nextFileName = pName + "/" + fi.fileName();
if (remove_recursively(nextFileName) < 0) {
PERROR("failed to remove directory %s\n", nextFileName.toAscii().data());
return -1;
}
}
}
if (!dir.rmdir(name)) {
PERROR("failed to remove directory %s\n", name.toAscii().data());
return -1;
}
return 1;
}
return 1;
}
int FileHelper::copy_recursively(const QString& pNameFrom, const QString& pNameTo)
{
#if defined (Q_WS_X11) || defined (Q_WS_MAC)
QString nameFrom = config().get_property("Project", "directory", "/directory/unknown").toString();
QString nameTo(nameFrom);
nameFrom += pNameFrom;
nameTo += pNameTo;
QFileInfo fileFromInfo(nameFrom);
QFileInfo fileToInfo(nameTo);
if (!fileFromInfo.exists()) {
PERROR("File or directory %s doesn't exist\n", pNameFrom.toAscii().data());
return -1;
}
if (fileToInfo.exists()) {
PERROR("File or directory %s already exists", pNameTo.toAscii().data());
return -1;
}
if(fileFromInfo.isFile()) {
QFile fileFrom(nameFrom);
if (!fileFrom.open(QIODevice::ReadOnly)) {
PERROR("failed to open file %s for reading\n", nameFrom.toAscii().data());
return -1;
}
QFile fileTo(nameTo);
if (!fileTo.open(QIODevice::WriteOnly)) {
fileFrom.close();
PERROR("failed to open file for writting%s\n", nameFrom.toAscii().data());
return -1;
}
// the real copy part should perhaps be implemented using QDataStream
// but .handle() will still be needed to get the optimal block-size
//
//! \todo does not keep file mode yet
int bufferSize = 4096;
int fileDescFrom = fileFrom.handle();
int fileDescTo = fileTo.handle();
#if defined(DHAVE_SYS_STAT_H)
struct stat fileStat;
if (fstat(fileDescFrom, &fileStat) == 0) {
bufferSize = (int)fileStat.st_blksize;
}
#endif
void *buffer = malloc(sizeof(char) * bufferSize);
// QMemArray<char> buffer(bufferSize);
for (;;) {
int nRead = read(fileDescFrom, buffer, bufferSize);
if (nRead < 0) {
fileFrom.close();
fileTo.close();
PERROR("Error while reading file %s\n", nameFrom.toAscii().data());
return -1;
}
if (nRead == 0)
break;
if (write(fileDescTo, buffer, nRead) < 0) {
fileFrom.close();
fileTo.close();
PERROR("Error while writing file %s\n", nameTo.toAscii().data());
return -1;
}
}
free(buffer);
fileFrom.close();
fileTo.close();
return 0;
} else if(fileFromInfo.isDir()) {
QDir dirFrom(nameFrom);
QDir dirTo(nameTo);
if (!dirTo.mkdir(nameTo)) {
PERROR("failed to create directory %s\n", nameTo.toAscii().data());
return -1;
}
QFileInfoList list = dirFrom.entryInfoList();
QFileInfo fi;
QString fileName;
for (int i = 0; i < list.size(); ++i) {
fileName = fi.fileName();
if ((fileName != ".") && (fileName != "..")) {
copy_recursively(pNameFrom + "/" + fileName, pNameTo + "/" + fileName);
}
}
return 0;
}
#endif
return -1;
}
QString FileHelper::fileerror_to_string(int error)
{
switch(error) {
case QFile::NoError: return QObject::tr("No error occurred"); break;
case QFile::ReadError: return QObject::tr("An error occurred when reading from the file."); break;
case QFile::WriteError: return QObject::tr("An error occurred when writing to the file."); break;
case QFile::FatalError: return QObject::tr("A fatal error occurred."); break;
case QFile::OpenError: return QObject::tr("The file could not be opened."); break;
case QFile::ResourceError: return QObject::tr("Resourc error"); break;
case QFile::AbortError: return QObject::tr("The operation was aborted."); break;
case QFile::TimeOutError: return QObject::tr("A timeout occurred."); break;
case QFile::UnspecifiedError: return QObject::tr("An unspecified error occurred."); break;
case QFile::RemoveError: return QObject::tr("The file could not be removed."); break;
case QFile::RenameError: return QObject::tr("The file could not be renamed."); break;
case QFile::PositionError: return QObject::tr("The position in the file could not be changed."); break;
case QFile::ResizeError: return QObject::tr("The file could not be resized."); break;
case QFile::PermissionsError: return QObject::tr("The file could not be accessed."); break;
case QFile::CopyError: return QObject::tr("The file could not be copied."); break;
default: return QObject::tr("Unknown error");
}
}
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