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// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
#include "gras_impl/query_common.hpp"
#include "gras_impl/debug.hpp"
#include <PMC/PMC.hpp>
#include <PMC/Containers.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/foreach.hpp>
#include <vector>
#include <complex>
#include <sstream>
using namespace boost::property_tree;
PMCC gras::ptree_to_pmc(const ptree &value, const std::type_info &hint)
{
//if the type is PMCC - educated guess and recursively call
if (hint == typeid(PMCC) or hint == typeid(PMC))
{
//single child
if (value.size() == 0)
{
//can we cast to number?
try{return ptree_to_pmc(value, typeid(double));}
catch(...){}
//can we cast to complex?
try{return ptree_to_pmc(value, typeid(std::complex<double>));}
catch(...){}
//then string
return ptree_to_pmc(value, typeid(std::string));
}
//array
else
{
//TODO more if statements - w/ define
return ptree_to_pmc(value, typeid(std::vector<double>));
}
}
#define ptree_to_pmc_try(type) \
if (hint == typeid(type)) return PMC_M(value.get_value<type>());
//determine number
ptree_to_pmc_try(char);
ptree_to_pmc_try(signed char);
ptree_to_pmc_try(unsigned char);
ptree_to_pmc_try(signed short);
ptree_to_pmc_try(unsigned short);
ptree_to_pmc_try(signed int);
ptree_to_pmc_try(unsigned int);
ptree_to_pmc_try(signed long);
ptree_to_pmc_try(unsigned long);
ptree_to_pmc_try(signed long long);
ptree_to_pmc_try(unsigned long long);
ptree_to_pmc_try(float);
ptree_to_pmc_try(double);
//complex number
std::istringstream ss(value.get_value<std::string>());
if (hint == typeid(std::complex<double>))
{
std::complex<double> c; ss >> c; return PMC_M(c);
}
if (hint == typeid(std::complex<float>))
{
std::complex<float> c; ss >> c; return PMC_M(c);
}
//string
ptree_to_pmc_try(std::string);
//determine number vector
std::vector<long> vec;
BOOST_FOREACH(const ptree::value_type &elem, value)
{
vec.push_back(elem.second.get_value<long>());
}
return PMC_M(vec);
//otherwise null -- will crap out
return PMC();
}
ptree gras::pmc_to_ptree(const PMCC &value)
{
ptree v;
#define pmc_to_ptree_try(type) \
if (value.is<type>()) {v.put_value(value.as<type>()); return v;}
//determine number
pmc_to_ptree_try(char);
pmc_to_ptree_try(signed char);
pmc_to_ptree_try(unsigned char);
pmc_to_ptree_try(signed short);
pmc_to_ptree_try(unsigned short);
pmc_to_ptree_try(signed int);
pmc_to_ptree_try(unsigned int);
pmc_to_ptree_try(signed long);
pmc_to_ptree_try(unsigned long);
pmc_to_ptree_try(signed long long);
pmc_to_ptree_try(unsigned long long);
pmc_to_ptree_try(float);
pmc_to_ptree_try(double);
//derermine complex
if (value.is<std::complex<double> >())
{
std::ostringstream oss;
oss << value.as<std::complex<double> >();
v.put_value(oss.str()); return v;
}
if (value.is<std::complex<float> >())
{
std::ostringstream oss;
oss << value.as<std::complex<float> >();
v.put_value(oss.str()); return v;
}
//determine string
pmc_to_ptree_try(std::string);
//try numeric vector
#define pmc_to_ptree_tryv(type) \
if (value.is<std::vector<type> >()) \
{ \
BOOST_FOREACH(const type &elem, value.as<std::vector<type> >()) \
{ \
ptree t; t.put_value(elem); \
v.push_back(std::make_pair("", t)); \
} \
}
pmc_to_ptree_tryv(char);
pmc_to_ptree_tryv(signed char);
pmc_to_ptree_tryv(unsigned char);
pmc_to_ptree_tryv(signed short);
pmc_to_ptree_tryv(unsigned short);
pmc_to_ptree_tryv(signed int);
pmc_to_ptree_tryv(unsigned int);
pmc_to_ptree_tryv(signed long);
pmc_to_ptree_tryv(unsigned long);
pmc_to_ptree_tryv(signed long long);
pmc_to_ptree_tryv(unsigned long long);
pmc_to_ptree_tryv(float);
pmc_to_ptree_tryv(double);
return v;
}
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