QxOrm  1.4.3
C++ Object Relational Mapping library
QxSerializeQDataStream_std_unordered_map.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
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00018 ** GNU General Public License Usage
00019 ** Alternatively, this file may be used under the terms of the GNU
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00031 
00032 #ifdef _QX_CPP_11_CONTAINER
00033 #ifndef BOOST_NO_CXX11_STD_UNORDERED
00034 #ifndef _QX_SERIALIZE_QDATASTREAM_STD_UNORDERED_MAP_H_
00035 #define _QX_SERIALIZE_QDATASTREAM_STD_UNORDERED_MAP_H_
00036 
00037 #ifdef _MSC_VER
00038 #pragma once
00039 #endif
00040 
00048 #include <QtCore/qdatastream.h>
00049 
00050 #include <unordered_map>
00051 
00052 template <typename Key, typename Value>
00053 QDataStream & operator<< (QDataStream & stream, const std::unordered_map<Key, Value> & t)
00054 {
00055    typedef typename std::unordered_map<Key, Value>::const_iterator type_itr;
00056    quint64 uiSize = static_cast<quint64>(t.size());
00057    stream << uiSize;
00058 
00059    for (type_itr itr = t.begin(); itr != t.end(); ++itr)
00060    {
00061       stream << itr->first;
00062       stream << itr->second;
00063    }
00064 
00065    return stream;
00066 }
00067 
00068 template <typename Key, typename Value>
00069 QDataStream & operator>> (QDataStream & stream, std::unordered_map<Key, Value> & t)
00070 {
00071    quint64 uiSize = 0;
00072    stream >> uiSize;
00073    t.clear();
00074    t.reserve(static_cast<typename std::unordered_map<Key, Value>::size_type>(uiSize));
00075 
00076    for (quint64 i = 0; i < uiSize; ++i)
00077    {
00078       Key key;       stream >> key;
00079       Value value;   stream >> value;
00080       t.insert(std::make_pair(key, value));
00081    }
00082 
00083    return stream;
00084 }
00085 
00086 template <typename Key, typename Value>
00087 QDataStream & operator<< (QDataStream & stream, const std::unordered_multimap<Key, Value> & t)
00088 {
00089    typedef typename std::unordered_multimap<Key, Value>::const_iterator type_itr;
00090    quint64 uiSize = static_cast<quint64>(t.size());
00091    stream << uiSize;
00092 
00093    for (type_itr itr = t.begin(); itr != t.end(); ++itr)
00094    {
00095       stream << itr->first;
00096       stream << itr->second;
00097    }
00098 
00099    return stream;
00100 }
00101 
00102 template <typename Key, typename Value>
00103 QDataStream & operator>> (QDataStream & stream, std::unordered_multimap<Key, Value> & t)
00104 {
00105    quint64 uiSize = 0;
00106    stream >> uiSize;
00107    t.clear();
00108    t.reserve(static_cast<typename std::unordered_multimap<Key, Value>::size_type>(uiSize));
00109 
00110    for (quint64 i = 0; i < uiSize; ++i)
00111    {
00112       Key key;       stream >> key;
00113       Value value;   stream >> value;
00114       t.insert(std::make_pair(key, value));
00115    }
00116 
00117    return stream;
00118 }
00119 
00120 #endif // _QX_SERIALIZE_QDATASTREAM_STD_UNORDERED_MAP_H_
00121 #endif // BOOST_NO_CXX11_STD_UNORDERED
00122 #endif // _QX_CPP_11_CONTAINER