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#include "serializer.h"
#include <jsonpp.h>
#include <boost/lexical_cast.hpp>
#include <boost/bind.hpp>
#include <stdexcept>
#include <fstream>
#include <glibmm/ustring.h>
namespace Slicer {
class JsonValueSource : public ValueSource {
public:
JsonValueSource(const json::Value & s) :
value(s)
{
}
void set(bool & v) const override
{
v = boost::get<bool>(value);
}
void set(Ice::Byte & v) const override
{
v = boost::numeric_cast<Ice::Byte>(boost::get<json::Number>(value));
}
void set(Ice::Short & v) const override
{
v = boost::numeric_cast<Ice::Short>(boost::get<json::Number>(value));
}
void set(Ice::Int & v) const override
{
v = boost::numeric_cast<Ice::Int>(boost::get<json::Number>(value));
}
void set(Ice::Long & v) const override
{
v = boost::numeric_cast<Ice::Long>(boost::get<json::Number>(value));
}
void set(Ice::Float & v) const override
{
v = boost::numeric_cast<Ice::Float>(boost::get<json::Number>(value));
}
void set(Ice::Double & v) const override
{
v = boost::numeric_cast<Ice::Double>(boost::get<json::Number>(value));
}
void set(std::string & v) const override
{
v = boost::get<json::String>(value);
}
protected:
const json::Value & value;
};
class JsonValueTarget : public ValueTarget {
public:
JsonValueTarget(json::Value & t) :
target(t)
{
target = json::Null();
}
virtual void get(const bool & value) const
{
target = value;
}
virtual void get(const Ice::Byte & value) const
{
target = boost::numeric_cast<json::Number>(value);
}
virtual void get(const Ice::Short & value) const
{
target = boost::numeric_cast<json::Number>(value);
}
virtual void get(const Ice::Int & value) const
{
target = boost::numeric_cast<json::Number>(value);
}
virtual void get(const Ice::Long & value) const
{
target = boost::numeric_cast<json::Number>(value);
}
virtual void get(const Ice::Float & value) const
{
target = boost::numeric_cast<json::Number>(value);
}
virtual void get(const Ice::Double & value) const
{
target = boost::numeric_cast<json::Number>(value);
}
virtual void get(const std::string & value) const
{
target = value;
}
private:
json::Value & target;
};
class DocumentTreeIterate : public boost::static_visitor<> {
public:
DocumentTreeIterate(ModelPartPtr & mp) : modelPart(mp)
{
}
template<typename SimpleT>
void operator()(const SimpleT & v) const
{
modelPart->Create();
modelPart->SetValue(new JsonValueSource(v));
modelPart->Complete();
}
void operator()(const json::Null &) const
{
modelPart->Complete();
}
void operator()(const json::Object & o) const
{
auto typeAttrItr = o.find("slicer-typeid");
if (typeAttrItr != o.end() && boost::get<json::String>(typeAttrItr->second.get())) {
modelPart = modelPart->GetSubclassModelPart(boost::get<json::String>(*typeAttrItr->second));
}
modelPart->Create();
BOOST_FOREACH(const auto & element, o) {
auto emp = modelPart->GetChild(element.first);
if (emp) {
emp->Create();
boost::apply_visitor(DocumentTreeIterate(emp), *element.second);
emp->Complete();
}
}
modelPart->Complete();
}
void operator()(const json::Array & a) const
{
modelPart->Create();
BOOST_FOREACH(const auto & element, a) {
auto emp = modelPart->GetChild(std::string());
if (emp) {
emp->Create();
boost::apply_visitor(DocumentTreeIterate(emp), *element);
emp->Complete();
}
}
modelPart->Complete();
}
private:
ModelPartPtr & modelPart;
};
void
Json::ModelTreeIterateSeq(json::Value * n, ModelPartPtr mp)
{
auto & arr = boost::get<json::Array &>(*n);
arr.push_back(json::ValuePtr(new json::Value()));
ModelTreeIterateRoot(arr.back().get(), mp);
}
void
Json::ModelTreeIterate(json::Value * n, const std::string & name, ModelPartPtr mp)
{
if (name.empty() || !n) {
return;
}
if (mp) {
switch (mp->GetType()) {
case mpt_Null:
boost::get<json::Object>(*n).insert({name, json::ValuePtr(new json::Value())});
return;
case mpt_Simple:
mp->GetValue(new JsonValueTarget(*boost::get<json::Object>(*n).insert({name, json::ValuePtr(new json::Value())}).first->second));
break;
case mpt_Complex:
{
auto nn = json::ValuePtr(new json::Value(json::Object()));
if (auto typeId = mp->GetTypeId()) {
boost::get<json::Object>(*nn).insert({"slicer-typeid", json::ValuePtr(new json::Value(*typeId))});
mp = mp->GetSubclassModelPart(*typeId);
}
mp->OnEachChild(boost::bind(&Json::ModelTreeIterate, boost::get<json::Object>(*n).insert({name, nn}).first->second.get(), _1, _2));
break;
}
case mpt_Sequence:
case mpt_Dictionary:
mp->OnEachChild(boost::bind(&Json::ModelTreeIterateSeq, boost::get<json::Object>(*n).insert({name, json::ValuePtr(new json::Value(json::Array()))}).first->second.get(), _2));
break;
}
}
}
void
Json::ModelTreeIterateRoot(json::Value * n, ModelPartPtr mp)
{
if (mp) {
switch (mp->GetType()) {
case mpt_Null:
*n = json::Null();
return;
case mpt_Simple:
mp->GetValue(new JsonValueTarget(*n));
break;
case mpt_Complex:
*n = json::Object();
if (auto typeId = mp->GetTypeId()) {
boost::get<json::Object>(*n).insert({"slicer-typeid", json::ValuePtr(new json::Value(*typeId))});
mp = mp->GetSubclassModelPart(*typeId);
}
mp->OnEachChild(boost::bind(&Json::ModelTreeIterate, n, _1, _2));
break;
case mpt_Sequence:
*n = json::Array();
mp->OnEachChild(boost::bind(&Json::ModelTreeIterate, n, _1, _2));
break;
case mpt_Dictionary:
*n = json::Array();
mp->OnEachChild(boost::bind(&Json::ModelTreeIterate, n, _1, _2));
break;
}
}
}
JsonFile::JsonFile(const boost::filesystem::path & p) :
path(p)
{
}
void
JsonFile::Deserialize(ModelPartPtr modelRoot)
{
std::ifstream inFile(path.string());
std::stringstream buffer;
buffer << inFile.rdbuf();
Glib::ustring doc(buffer.str());
Glib::ustring::const_iterator itr = doc.begin();
json::Value obj = json::parseValue(itr);
auto mp = modelRoot->GetChild(std::string());
boost::apply_visitor(DocumentTreeIterate(mp), obj);
}
void
JsonFile::Serialize(ModelPartPtr modelRoot)
{
json::Value doc;
modelRoot->OnEachChild(boost::bind(&Json::ModelTreeIterateRoot, &doc, _2));
std::ofstream outFile(path.string());
json::serializeValue(doc, outFile, "utf-8");
}
JsonValue::JsonValue(json::Value & v) :
value(v)
{
}
void
JsonValue::Deserialize(ModelPartPtr modelRoot)
{
auto mp = modelRoot->GetChild(std::string());
boost::apply_visitor(DocumentTreeIterate(mp), value);
}
void
JsonValue::Serialize(ModelPartPtr modelRoot)
{
modelRoot->OnEachChild(boost::bind(&Json::ModelTreeIterateRoot, &value, _2));
}
}
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