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/// @ref gtx_io
/// @author Jan P Springer (regnirpsj@gmail.com)
#include <iomanip> // std::fixed, std::setfill<>, std::setprecision, std::right, std::setw
#include <ostream> // std::basic_ostream<>
#include "../gtc/matrix_access.hpp" // glm::col, glm::row
#include "../gtx/type_trait.hpp" // glm::type<>
namespace glm{
namespace io
{
template<typename CTy>
GLM_FUNC_QUALIFIER format_punct<CTy>::format_punct(size_t a)
: std::locale::facet(a)
, formatted(true)
, precision(3)
, width(1 + 4 + 1 + precision)
, separator(',')
, delim_left('[')
, delim_right(']')
, space(' ')
, newline('\n')
, order(column_major)
{}
template<typename CTy>
GLM_FUNC_QUALIFIER format_punct<CTy>::format_punct(format_punct const& a)
: std::locale::facet(0)
, formatted(a.formatted)
, precision(a.precision)
, width(a.width)
, separator(a.separator)
, delim_left(a.delim_left)
, delim_right(a.delim_right)
, space(a.space)
, newline(a.newline)
, order(a.order)
{}
template<typename CTy> std::locale::id format_punct<CTy>::id;
template<typename CTy, typename CTr>
GLM_FUNC_QUALIFIER basic_state_saver<CTy, CTr>::basic_state_saver(std::basic_ios<CTy, CTr>& a)
: state_(a)
, flags_(a.flags())
, precision_(a.precision())
, width_(a.width())
, fill_(a.fill())
, locale_(a.getloc())
{}
template<typename CTy, typename CTr>
GLM_FUNC_QUALIFIER basic_state_saver<CTy, CTr>::~basic_state_saver()
{
state_.imbue(locale_);
state_.fill(fill_);
state_.width(width_);
state_.precision(precision_);
state_.flags(flags_);
}
template<typename CTy, typename CTr>
GLM_FUNC_QUALIFIER basic_format_saver<CTy, CTr>::basic_format_saver(std::basic_ios<CTy, CTr>& a)
: bss_(a)
{
a.imbue(std::locale(a.getloc(), new format_punct<CTy>(get_facet<format_punct<CTy> >(a))));
}
template<typename CTy, typename CTr>
GLM_FUNC_QUALIFIER
basic_format_saver<CTy, CTr>::~basic_format_saver()
{}
GLM_FUNC_QUALIFIER precision::precision(unsigned a)
: value(a)
{}
GLM_FUNC_QUALIFIER width::width(unsigned a)
: value(a)
{}
template<typename CTy>
GLM_FUNC_QUALIFIER delimeter<CTy>::delimeter(CTy a, CTy b, CTy c)
: value()
{
value[0] = a;
value[1] = b;
value[2] = c;
}
GLM_FUNC_QUALIFIER order::order(order_type a)
: value(a)
{}
template<typename FTy, typename CTy, typename CTr>
GLM_FUNC_QUALIFIER FTy const& get_facet(std::basic_ios<CTy, CTr>& ios)
{
if(!std::has_facet<FTy>(ios.getloc()))
ios.imbue(std::locale(ios.getloc(), new FTy));
return std::use_facet<FTy>(ios.getloc());
}
template<typename CTy, typename CTr>
GLM_FUNC_QUALIFIER std::basic_ios<CTy, CTr>& formatted(std::basic_ios<CTy, CTr>& ios)
{
const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(ios)).formatted = true;
return ios;
}
template<typename CTy, typename CTr>
GLM_FUNC_QUALIFIER std::basic_ios<CTy, CTr>& unformatted(std::basic_ios<CTy, CTr>& ios)
{
const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(ios)).formatted = false;
return ios;
}
template<typename CTy, typename CTr>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, precision const& a)
{
const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)).precision = a.value;
return os;
}
template<typename CTy, typename CTr>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, width const& a)
{
const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)).width = a.value;
return os;
}
template<typename CTy, typename CTr>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, delimeter<CTy> const& a)
{
format_punct<CTy> & fmt(const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)));
fmt.delim_left = a.value[0];
fmt.delim_right = a.value[1];
fmt.separator = a.value[2];
return os;
}
template<typename CTy, typename CTr>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, order const& a)
{
const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)).order = a.value;
return os;
}
} // namespace io
namespace detail
{
template<typename CTy, typename CTr, typename V>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>&
print_vector_on(std::basic_ostream<CTy, CTr>& os, V const& a)
{
typename std::basic_ostream<CTy, CTr>::sentry const cerberus(os);
if(cerberus)
{
io::format_punct<CTy> const& fmt(io::get_facet<io::format_punct<CTy> >(os));
length_t const& components(type<V>::components);
if(fmt.formatted)
{
io::basic_state_saver<CTy> const bss(os);
os << std::fixed << std::right << std::setprecision(fmt.precision) << std::setfill(fmt.space) << fmt.delim_left;
for(length_t i(0); i < components; ++i)
{
os << std::setw(fmt.width) << a[i];
if(components-1 != i)
os << fmt.separator;
}
os << fmt.delim_right;
}
else
{
for(length_t i(0); i < components; ++i)
{
os << a[i];
if(components-1 != i)
os << fmt.space;
}
}
}
return os;
}
}//namespace detail
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, qua<T, Q> const& a)
{
return detail::print_vector_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<1, T, Q> const& a)
{
return detail::print_vector_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<2, T, Q> const& a)
{
return detail::print_vector_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<3, T, Q> const& a)
{
return detail::print_vector_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<4, T, Q> const& a)
{
return detail::print_vector_on(os, a);
}
namespace detail
{
template<typename CTy, typename CTr, template<length_t, length_t, typename, qualifier> class M, length_t C, length_t R, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& print_matrix_on(std::basic_ostream<CTy, CTr>& os, M<C, R, T, Q> const& a)
{
typename std::basic_ostream<CTy,CTr>::sentry const cerberus(os);
if(cerberus)
{
io::format_punct<CTy> const& fmt(io::get_facet<io::format_punct<CTy> >(os));
length_t const& cols(type<M<C, R, T, Q> >::cols);
length_t const& rows(type<M<C, R, T, Q> >::rows);
if(fmt.formatted)
{
os << fmt.newline << fmt.delim_left;
switch(fmt.order)
{
case io::column_major:
{
for(length_t i(0); i < rows; ++i)
{
if (0 != i)
os << fmt.space;
os << row(a, i);
if(rows-1 != i)
os << fmt.newline;
}
}
break;
case io::row_major:
{
for(length_t i(0); i < cols; ++i)
{
if(0 != i)
os << fmt.space;
os << column(a, i);
if(cols-1 != i)
os << fmt.newline;
}
}
break;
}
os << fmt.delim_right;
}
else
{
switch (fmt.order)
{
case io::column_major:
{
for(length_t i(0); i < cols; ++i)
{
os << column(a, i);
if(cols - 1 != i)
os << fmt.space;
}
}
break;
case io::row_major:
{
for (length_t i(0); i < rows; ++i)
{
os << row(a, i);
if (rows-1 != i)
os << fmt.space;
}
}
break;
}
}
}
return os;
}
}//namespace detail
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<2, 2, T, Q> const& a)
{
return detail::print_matrix_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<2, 3, T, Q> const& a)
{
return detail::print_matrix_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<2, 4, T, Q> const& a)
{
return detail::print_matrix_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<3, 2, T, Q> const& a)
{
return detail::print_matrix_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<3, 3, T, Q> const& a)
{
return detail::print_matrix_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<3, 4, T, Q> const& a)
{
return detail::print_matrix_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<4, 2, T, Q> const& a)
{
return detail::print_matrix_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<4, 3, T, Q> const& a)
{
return detail::print_matrix_on(os, a);
}
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<4, 4, T, Q> const& a)
{
return detail::print_matrix_on(os, a);
}
namespace detail
{
template<typename CTy, typename CTr, template<length_t, length_t, typename, qualifier> class M, length_t C, length_t R, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& print_matrix_pair_on(std::basic_ostream<CTy, CTr>& os, std::pair<M<C, R, T, Q> const, M<C, R, T, Q> const> const& a)
{
typename std::basic_ostream<CTy,CTr>::sentry const cerberus(os);
if(cerberus)
{
io::format_punct<CTy> const& fmt(io::get_facet<io::format_punct<CTy> >(os));
M<C, R, T, Q> const& ml(a.first);
M<C, R, T, Q> const& mr(a.second);
length_t const& cols(type<M<C, R, T, Q> >::cols);
length_t const& rows(type<M<C, R, T, Q> >::rows);
if(fmt.formatted)
{
os << fmt.newline << fmt.delim_left;
switch(fmt.order)
{
case io::column_major:
{
for(length_t i(0); i < rows; ++i)
{
if(0 != i)
os << fmt.space;
os << row(ml, i) << ((rows-1 != i) ? fmt.space : fmt.delim_right) << fmt.space << ((0 != i) ? fmt.space : fmt.delim_left) << row(mr, i);
if(rows-1 != i)
os << fmt.newline;
}
}
break;
case io::row_major:
{
for(length_t i(0); i < cols; ++i)
{
if(0 != i)
os << fmt.space;
os << column(ml, i) << ((cols-1 != i) ? fmt.space : fmt.delim_right) << fmt.space << ((0 != i) ? fmt.space : fmt.delim_left) << column(mr, i);
if(cols-1 != i)
os << fmt.newline;
}
}
break;
}
os << fmt.delim_right;
}
else
{
os << ml << fmt.space << mr;
}
}
return os;
}
}//namespace detail
template<typename CTy, typename CTr, typename T, qualifier Q>
GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(
std::basic_ostream<CTy, CTr> & os,
std::pair<mat<4, 4, T, Q> const,
mat<4, 4, T, Q> const> const& a)
{
return detail::print_matrix_pair_on(os, a);
}
}//namespace glm
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