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Use overloads for templated functions rather than specializations

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This commit is contained in:
Paul Romano 2018-08-08 21:51:24 -05:00
parent ff763e5c2b
commit df66a22cdf
1 changed files with 20 additions and 8 deletions
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28
src/hdf5_interface.h
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@ -149,7 +149,7 @@ template<typename T>
struct H5TypeMap { static const hid_t type_id; };
//==============================================================================
// Template functions used to provide simple interface to lower-level functions
// Templates/overloads for read_attribute
//==============================================================================
// Scalar version
@ -196,9 +196,9 @@ void read_attribute(hid_t obj_id, const char* name, xt::xarray<T>& arr)
arr = xt::adapt(buffer, size, xt::acquire_ownership(), shape);
}
// specialization for std::string
template<> inline void
read_attribute<std::string>(hid_t obj_id, const char* name, std::string& str)
// overload for std::string
inline void
read_attribute(hid_t obj_id, const char* name, std::string& str)
{
// Create buffer to read data into
auto n = attribute_typesize(obj_id, name);
@ -209,6 +209,10 @@ read_attribute<std::string>(hid_t obj_id, const char* name, std::string& str)
str = std::string{buffer, n};
}
//==============================================================================
// Templates/overloads for read_dataset
//==============================================================================
template<typename T>
void read_dataset(hid_t obj_id, const char* name, T buffer, bool indep=false)
{
@ -264,14 +268,18 @@ void read_dataset(hid_t obj_id, const char* name, xt::xarray<T>& arr, bool indep
close_dataset(dset);
}
//==============================================================================
// Templates/overloads for write_attribute
//==============================================================================
template<typename T> inline void
write_attribute(hid_t obj_id, const char* name, T buffer)
{
write_attr(obj_id, name, 0, nullptr, H5TypeMap<T>::type_id, &buffer);
}
template<> inline void
write_attribute<const char*>(hid_t obj_id, const char* name, const char* buffer)
inline void
write_attribute(hid_t obj_id, const char* name, const char* buffer)
{
write_attr_string(obj_id, name, buffer);
}
@ -283,14 +291,18 @@ write_attribute(hid_t obj_id, const char* name, const std::array<T, N>& buffer)
write_attr(obj_id, 1, dims, name, H5TypeMap<T>::type_id, buffer.data());
}
//==============================================================================
// Templates/overloads for write_dataset
//==============================================================================
template<typename T> inline void
write_dataset(hid_t obj_id, const char* name, T buffer)
{
write_dataset(obj_id, 0, nullptr, name, H5TypeMap<T>::type_id, &buffer, false);
}
template<> inline void
write_dataset<const char*>(hid_t obj_id, const char* name, const char* buffer)
inline void
write_dataset(hid_t obj_id, const char* name, const char* buffer)
{
write_string(obj_id, name, buffer, false);
}