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QxXmlWriter.h
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    00001 /****************************************************************************
    00002 **
    00003 ** http://www.qxorm.com/
    00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
    00005 **
    00006 ** This file is part of the QxOrm library
    00007 **
    00008 ** This software is provided 'as-is', without any express or implied
    00009 ** warranty. In no event will the authors be held liable for any
    00010 ** damages arising from the use of this software
    00011 **
    00012 ** Commercial Usage
    00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
    00014 ** accordance with the commercial license agreement provided with the
    00015 ** Software or, alternatively, in accordance with the terms contained in
    00016 ** a written agreement between you and Lionel Marty
    00017 **
    00018 ** GNU General Public License Usage
    00019 ** Alternatively, this file may be used under the terms of the GNU
    00020 ** General Public License version 3.0 as published by the Free Software
    00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the
    00022 ** packaging of this file. Please review the following information to
    00023 ** ensure the GNU General Public License version 3.0 requirements will be
    00024 ** met : http://www.gnu.org/copyleft/gpl.html
    00025 **
    00026 ** If you are unsure which license is appropriate for your use, or
    00027 ** if you have questions regarding the use of this file, please contact :
    00028 ** contact@qxorm.com
    00029 **
    00030 ****************************************************************************/
    00031
    00032 #ifndef _QX_XML_WRITER_H_
    00033 #define _QX_XML_WRITER_H_
    00034
    00035 #ifdef _MSC_VER
    00036 #pragma once
    00037 #endif
    00038
    00039 #include <QtCore/qhash.h>
    00040 #include <QtCore/qbytearray.h>
    00041 #include <QtCore/qdatastream.h>
    00042
    00043 #if (QT_VERSION >= 0x040800)
    00044 #include <QtCore/QXmlStreamWriter>
    00045 #else // (QT_VERSION >= 0x040800)
    00046 #include <QtXml/QXmlStreamWriter>
    00047 #endif // (QT_VERSION >= 0x040800)
    00048
    00049 #define QX_XML_PREFIX_BINARY_DATA_KEY     "qx_binary_data_key_"
    00050 #define QX_XML_ATTRIBUTE_IS_BINARY_DATA   "qx_is_binary_data"
    00051
    00052 namespace qx {
    00053
    00054 class QX_DLL_EXPORT QxXmlWriter : public QXmlStreamWriter
    00055 {
    00056
    00057 public:
    00058
    00059    typedef boost::shared_ptr<QByteArray> type_byte_arr_ptr;
    00060    typedef QHash<QString, type_byte_arr_ptr> type_hash_bin_data;
    00061    typedef QHashIterator<QString, type_byte_arr_ptr> type_hash_bin_data_itr;
    00062
    00063 protected:
    00064
    00065    type_hash_bin_data m_mapBinaryData;    // Collection of binary data associated with xml (<=> attached files)
    00066    long m_lKeyBinaryData;                 // Current binary data key to write to xml
    00067    QString m_pStringWriter;               // String containing xml to write
    00068
    00069 public:
    00070
    00071    QxXmlWriter() : QXmlStreamWriter(& m_pStringWriter), m_lKeyBinaryData(0) { initQxXmlWriter(); }
    00072    virtual ~QxXmlWriter() { ; }
    00073
    00074    QString getXml() const                             { return m_pStringWriter; }
    00075    type_hash_bin_data_itr getBinaryDataItr() const    { return type_hash_bin_data_itr(m_mapBinaryData); }
    00076    long getBinaryDataCount() const                    { return m_mapBinaryData.count(); }
    00077
    00078    QString writeBinaryData(const QString & namespaceUri, const QString & name, type_byte_arr_ptr pData);
    00079    QString writeBinaryData(const QString & qualifiedName, type_byte_arr_ptr pData);
    00080
    00081 protected:
    00082
    00083    inline QString getNextKeyBinaryData()  { return (QString(QX_XML_PREFIX_BINARY_DATA_KEY) + QString::number(++m_lKeyBinaryData)); }
    00084    inline void initQxXmlWriter()          { setAutoFormatting(true); setAutoFormattingIndent(3); }
    00085
    00086 };
    00087
    00088 } // namespace qx
    00089
    00090 QX_DLL_EXPORT QDataStream & operator << (QDataStream & stream, const qx::QxXmlWriter & xmlWriter);
    00091
    00092 #endif // _QX_XML_WRITER_H_