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picojson_map_serializer.h
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/**
* picojson_serializer - a simple serialization solution based on picojson
* --------------------------------------------------------
* Copyright 2013, Dmitry Ledentsov ([email protected])
* Copyright 2014, project contributors
*
* This software is distributed under the MIT License. See notice at the end
* of this file.
*
* This work requires picojson: https://github.com/kazuho/picojson
*/
#pragma once
#include "picojson_serializer.h"
#include <map>
#include <algorithm>
namespace picojson {
namespace convert{
template<typename ValueType, typename Key, class Compare, class Allocator> struct value_converter< std::map<Key, ValueType, Compare, Allocator> > {
typedef typename std::map<Key, ValueType, Compare, Allocator> map_type;
static value to_value(map_type const& v) {
picojson::array a;
std::transform(
v.begin(),
v.end(),
std::back_inserter(a),
operators::to_value_c<Key,ValueType>
);
return value(a);
}
static value to_value(map_type& v) {
picojson::array a;
std::transform(
v.begin(),
v.end(),
std::back_inserter(a),
operators::to_value_nc<Key,ValueType>
);
return value(a);
}
static void from_value(value const& ov, map_type& m) {
if ( !ov.is<picojson::array>() )
return;
picojson::array const& a=ov.get<picojson::array>();
for (picojson::array::const_iterator it=a.begin();
it!=a.end();
++it) {
if ( !it->is<picojson::object>() )
continue;
picojson::object const& o=it->get<picojson::object>();
picojson::object::const_iterator key=o.find("Key");
if ( key == o.end() )
continue;
picojson::object::const_iterator value=o.find("Value");
if ( value == o.end() )
continue;
Key key_(operators::from_value<Key>(key->second));
ValueType value_(operators::from_value<ValueType>(value->second));
m[key_]=value_;
}
}
};
template<typename ValueType, typename Key, class Compare, class Allocator> struct value_converter< std::multimap<Key, ValueType, Compare, Allocator> > {
typedef typename std::multimap<Key, ValueType, Compare, Allocator> map_type;
static value to_value(map_type const& v) {
picojson::array a;
std::transform(
v.begin(),
v.end(),
std::back_inserter(a),
operators::to_value_c<Key,ValueType>
);
return value(a);
}
static value to_value(map_type& v) {
picojson::array a;
std::transform(
v.begin(),
v.end(),
std::back_inserter(a),
operators::to_value_nc<Key,ValueType>
);
return value(a);
}
static void from_value(value const& ov, map_type& m) {
if ( !ov.is<picojson::array>() )
return;
picojson::array const& a=ov.get<picojson::array>();
for (picojson::array::const_iterator it=a.begin();
it!=a.end();
++it) {
if ( !it->is<picojson::object>() )
continue;
picojson::object const& o=it->get<picojson::object>();
picojson::object::const_iterator key=o.find("Key");
if ( key == o.end() )
continue;
picojson::object::const_iterator value=o.find("Value");
if ( value == o.end() )
continue;
Key key_(operators::from_value<Key>(key->second));
ValueType value_(operators::from_value<ValueType>(value->second));
m.insert(std::make_pair(key_,value_));
}
}
};
}
}
/**
* Copyright 2013 Dmitry Ledentsov
* Copyright 2014, project contributors
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/