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LibrePilot/ground/uavobjgenerator/generators/generator_io.cpp

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/**
******************************************************************************
*
* @file generator_io.cpp
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief I/O Code for the generator
*
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* This program 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 3 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "generator_io.h"
using namespace std;
/**
* Read a file and return its contents as a string
*/
QString readFile(QString name,bool do_warn)
{
QFile file(name);
if (!file.open(QFile::ReadOnly)) {
if (do_warn)
std::cout << "Warning: Could not open " << name.toStdString() << endl;
return QString();
}
QTextStream fileStr(&file);
QString str = fileStr.readAll();
file.close();
return str;
}
/**
* Read a file and return its contents as a string
*/
QString readFile(QString name)
{
return readFile(name,true);
}
/**
* Write contents of string to file
*/
bool writeFile(QString name, QString& str)
{
QFile file(name);
if (!file.open(QFile::WriteOnly))
return false;
QTextStream fileStr(&file);
fileStr << str;
file.close();
return true;
}
/**
* Write contents of string to file if the content changes
*/
bool writeFileIfDiffrent(QString name, QString& str)
{
if (str==readFile(name,false))
return true;
return writeFile(name,str);
}