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Diffstat (limited to 'c++/codec-netcdf/netcdf.h')
-rw-r--r--c++/codec-netcdf/netcdf.h62
1 files changed, 59 insertions, 3 deletions
diff --git a/c++/codec-netcdf/netcdf.h b/c++/codec-netcdf/netcdf.h
index 72e7614..cc9aedb 100644
--- a/c++/codec-netcdf/netcdf.h
+++ b/c++/codec-netcdf/netcdf.h
@@ -23,6 +23,8 @@ class data<Schema, encode::Netcdf> {
private:
std::vector<uint8_t> buff_;
public:
+ data() = default;
+
data(std::vector<uint8_t> buff):
buff_{std::move(buff)}
{}
@@ -67,8 +69,62 @@ public:
* Encoder function
*/
template<typename FromEncoding>
- error_or<void> encode() {
- return make_error<err::not_implemented>();
+ error_or<void> encode(const data<Schema, FromEncoding>& from, data<Schema,encode::Netcdf>& to) {
+ int rc{};
+ int ncid{};
+
+ rc = nc_create_mem("forstio_internal_write_memory", 0,/*NC_NETCDF4, */0, &ncid);
+ if(rc != NC_NOERR){
+ return make_error<err::critical>();
+ }
+
+ {
+ auto eov = impl::netcdf_encode<Schema,FromEncoding>::encode_meta(from, ncid);
+ if(eov.is_error()){
+ nc_close(ncid);
+ return eov;
+ }
+ }
+
+ rc = nc_enddef(ncid);
+ if(rc != NC_NOERR){
+ nc_close(ncid);
+ return make_error<err::critical>();
+ }
+
+ {
+ auto eov = impl::netcdf_encode<Schema,FromEncoding>::encode(from, ncid);
+ if(eov.is_error()){
+ nc_close(ncid);
+ return eov;
+ }
+ }
+
+ NC_memio nc_memio;
+ rc = nc_close_memio(ncid, &nc_memio);
+ if(rc != NC_NOERR){
+ return make_error<err::critical>();
+ }
+
+ if(!nc_memio.memory || nc_memio.size == 0){
+ return make_error<err::critical>();
+ }
+
+ try {
+ to.get_data().resize(nc_memio.size);
+ }catch(const std::exception& e){
+ (void) e;
+ return make_error<err::out_of_memory>();
+ }
+
+ for(std::size_t i = 0; i < nc_memio.size; ++i){
+ to.get_data().at(i) = static_cast<uint8_t*>(nc_memio.memory)[i];
+ }
+
+ free(nc_memio.memory);
+ nc_memio.memory = nullptr;
+
+ return void_t{};
}
/**
@@ -79,7 +135,7 @@ public:
int ncid{};
int rc{};
- rc = nc_open_mem("forstio_internal_memory", NC_NOWRITE, from_decode.get_data().size(), &from_decode.get_data()[0], &ncid);
+ rc = nc_open_mem("forstio_internal_read_memory", NC_NOWRITE, from_decode.get_data().size(), &from_decode.get_data()[0], &ncid);
if(rc != NC_NOERR){
// Don't know how to get the error, so fail critically.
return make_error<err::critical>();