view src/libqxt/qxtcsvmodel.h @ 1:7a2637c3eb83

Add csv parser from libqxt
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 23 Mar 2015 16:33:26 +0100
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children 06c9b37d1e1b
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#ifndef QXTCSVMODEL_H
/****************************************************************************
** Copyright (c) 2006 - 2011, the LibQxt project.
** See the Qxt AUTHORS file for a list of authors and copyright holders.
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
**     * Redistributions of source code must retain the above copyright
**       notice, this list of conditions and the following disclaimer.
**     * Redistributions in binary form must reproduce the above copyright
**       notice, this list of conditions and the following disclaimer in the
**       documentation and/or other materials provided with the distribution.
**     * Neither the name of the LibQxt project nor the
**       names of its contributors may be used to endorse or promote products
**       derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
** DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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** <http://libqxt.org>  <foundation@libqxt.org>
*****************************************************************************/

#define QXTCSVMODEL_H

#include <QAbstractTableModel>
#include <QVariant>
#include <QIODevice>
#include <QChar>
#include <QString>
#include <QStringList>
#include <QModelIndex>
#include <qxtglobal.h>
class QTextCodec;

class QxtCsvModelPrivate;
class QXT_CORE_EXPORT QxtCsvModel : public QAbstractTableModel
{
    Q_OBJECT
public:
    QxtCsvModel(QObject *parent = 0);
    explicit QxtCsvModel(QIODevice *file, QObject *parent = 0, bool withHeader = false, QChar separator = ',');
    explicit QxtCsvModel(const QString filename, QObject *parent = 0, bool withHeader = false, QChar separator = ',');
    ~QxtCsvModel();

    int rowCount(const QModelIndex& parent = QModelIndex()) const;
    int columnCount(const QModelIndex& parent = QModelIndex()) const;
    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
    bool setData(const QModelIndex& index, const QVariant& data, int role = Qt::EditRole);
    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
    bool setHeaderData(int section, Qt::Orientation orientation, const QVariant& value, int role = Qt::DisplayRole);
    void setHeaderData(const QStringList& data);
    QString text(int row, int column) const;
    void setText(int row, int column, const QString& value);
    QString headerText(int column) const;
    void setHeaderText(int column, const QString& value);


    bool insertRow(int row, const QModelIndex& parent = QModelIndex());
    bool insertRows(int row, int count, const QModelIndex& parent = QModelIndex());
    bool removeRow(int row, const QModelIndex& parent = QModelIndex());
    bool removeRows(int row, int count, const QModelIndex& parent = QModelIndex());
    bool insertColumn(int col, const QModelIndex& parent = QModelIndex());
    bool insertColumns(int col, int count, const QModelIndex& parent = QModelIndex());
    bool removeColumn(int col, const QModelIndex& parent = QModelIndex());
    bool removeColumns(int col, int count, const QModelIndex& parent = QModelIndex());

    void setSource(QIODevice *file, bool withHeader = false, QChar separator = ',', QTextCodec* codec = 0);
    void setSource(const QString filename, bool withHeader = false, QChar separator = ',', QTextCodec* codec = 0);

    void toCSV(QIODevice *file, bool withHeader = false, QChar separator = ',', QTextCodec* codec = 0) const;
    void toCSV(const QString filename, bool withHeader = false, QChar separator = ',', QTextCodec* codec = 0) const;

    enum QuoteOption { NoQuotes = 0, SingleQuote = 1, DoubleQuote = 2, BothQuotes = 3,
                       NoEscape = 0, TwoQuoteEscape = 4, BackslashEscape = 8, 
                       AlwaysQuoteOutput = 16, DefaultQuoteMode = BothQuotes | BackslashEscape | AlwaysQuoteOutput };
    Q_DECLARE_FLAGS(QuoteMode, QuoteOption)
    QuoteMode quoteMode() const;
    void setQuoteMode(QuoteMode mode);

    Qt::ItemFlags flags(const QModelIndex& index) const;

private:
    QXT_DECLARE_PRIVATE(QxtCsvModel)
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QxtCsvModel::QuoteMode)

#endif
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