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QxXmlWriter.h
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    00001 /****************************************************************************
    00002 **
    00003 ** http://www.qxorm.com/
    00004 ** http://sourceforge.net/projects/qxorm/
    00005 ** Original file by Lionel Marty
    00006 **
    00007 ** This file is part of the QxOrm library
    00008 **
    00009 ** This software is provided 'as-is', without any express or implied
    00010 ** warranty. In no event will the authors be held liable for any
    00011 ** damages arising from the use of this software.
    00012 **
    00013 ** GNU Lesser General Public License Usage
    00014 ** This file must be used under the terms of the GNU Lesser
    00015 ** General Public License version 2.1 as published by the Free Software
    00016 ** Foundation and appearing in the file 'license.lgpl.txt' included in the
    00017 ** packaging of this file.  Please review the following information to
    00018 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00019 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00020 **
    00021 ** If you have questions regarding the use of this file, please contact :
    00022 ** contact@qxorm.com
    00023 **
    00024 ****************************************************************************/
    00025
    00026 #ifndef _QX_XML_WRITER_H_
    00027 #define _QX_XML_WRITER_H_
    00028
    00029 #ifdef _MSC_VER
    00030 #pragma once
    00031 #endif
    00032
    00033 #include <QtCore/qhash.h>
    00034 #include <QtCore/qbytearray.h>
    00035 #include <QtCore/qdatastream.h>
    00036
    00037 #include <QtXml/QXmlStreamWriter>
    00038
    00039 #define QX_XML_PREFIX_BINARY_DATA_KEY     "qx_binary_data_key_"
    00040 #define QX_XML_ATTRIBUTE_IS_BINARY_DATA   "qx_is_binary_data"
    00041
    00042 namespace qx {
    00043
    00044 class QX_DLL_EXPORT QxXmlWriter : public QXmlStreamWriter
    00045 {
    00046
    00047 public:
    00048
    00049    typedef boost::shared_ptr<QByteArray> type_byte_arr_ptr;
    00050    typedef QHash<QString, type_byte_arr_ptr> type_hash_bin_data;
    00051    typedef QHashIterator<QString, type_byte_arr_ptr> type_hash_bin_data_itr;
    00052
    00053 protected:
    00054
    00055    type_hash_bin_data m_mapBinaryData;    // Collection of binary data associated with xml (<=> attached files)
    00056    long m_lKeyBinaryData;                 // Current binary data key to write to xml
    00057    QString m_pStringWriter;               // String containing xml to write
    00058
    00059 public:
    00060
    00061    QxXmlWriter() : QXmlStreamWriter(& m_pStringWriter), m_lKeyBinaryData(0) { initQxXmlWriter(); }
    00062    virtual ~QxXmlWriter() { ; }
    00063
    00064    QString getXml() const                             { return m_pStringWriter; }
    00065    type_hash_bin_data_itr getBinaryDataItr() const    { return type_hash_bin_data_itr(m_mapBinaryData); }
    00066    long getBinaryDataCount() const                    { return m_mapBinaryData.count(); }
    00067
    00068    QString writeBinaryData(const QString & namespaceUri, const QString & name, type_byte_arr_ptr pData);
    00069    QString writeBinaryData(const QString & qualifiedName, type_byte_arr_ptr pData);
    00070
    00071 protected:
    00072
    00073    inline QString getNextKeyBinaryData()  { return (QString(QX_XML_PREFIX_BINARY_DATA_KEY) + QString::number(++m_lKeyBinaryData)); }
    00074    inline void initQxXmlWriter()          { setAutoFormatting(true); setAutoFormattingIndent(3); }
    00075
    00076 };
    00077
    00078 } // namespace qx
    00079
    00080 QX_DLL_EXPORT QDataStream & operator << (QDataStream & stream, const qx::QxXmlWriter & xmlWriter);
    00081
    00082 #endif // _QX_XML_WRITER_H_

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