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// Copyright (c) 2011-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "csvmodelwriter.h"
#include <QAbstractItemModel>
#include <QFile>
#include <QTextStream>
CSVModelWriter::CSVModelWriter(const QString &_filename, QObject *parent) :
QObject(parent),
filename(_filename), model(0)
{
}
void CSVModelWriter::setModel(const QAbstractItemModel *_model)
{
this->model = _model;
}
void CSVModelWriter::addColumn(const QString &title, int column, int role)
{
Column col;
col.title = title;
col.column = column;
col.role = role;
columns.append(col);
}
static void writeValue(QTextStream &f, const QString &value)
{
QString escaped = value;
escaped.replace('"', "\"\"");
f << "\"" << escaped << "\"";
}
static void writeSep(QTextStream &f)
{
f << ",";
}
static void writeNewline(QTextStream &f)
{
f << "\n";
}
bool CSVModelWriter::write()
{
QFile file(filename);
if(!file.open(QIODevice::WriteOnly | QIODevice::Text))
return false;
QTextStream out(&file);
int numRows = 0;
if(model)
{
numRows = model->rowCount();
}
// Header row
for(int i=0; i<columns.size(); ++i)
{
if(i!=0)
{
writeSep(out);
}
writeValue(out, columns[i].title);
}
writeNewline(out);
// Data rows
for(int j=0; j<numRows; ++j)
{
for(int i=0; i<columns.size(); ++i)
{
if(i!=0)
{
writeSep(out);
}
QVariant data = model->index(j, columns[i].column).data(columns[i].role);
writeValue(out, data.toString());
}
writeNewline(out);
}
file.close();
return file.error() == QFile::NoError;
}