From f40fe73cbd8f61be11721babb1e3615326466041 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Thu, 9 Nov 2023 17:02:40 +0100
Subject: codec-netcdf: Changed to memory parsing

---
 c++/codec-netcdf/netcdf.h |  22 ++++++++++++----------
 tests/codec-netcdf.cpp    |  33 +++++++++++++++++++++++++++++++--
 tests/data/array.nc       | Bin 156 -> 0 bytes
 tests/data/primitive.nc   | Bin 112 -> 0 bytes
 4 files changed, 43 insertions(+), 12 deletions(-)
 delete mode 100644 tests/data/array.nc
 delete mode 100644 tests/data/primitive.nc

diff --git a/c++/codec-netcdf/netcdf.h b/c++/codec-netcdf/netcdf.h
index c99217e..72e7614 100644
--- a/c++/codec-netcdf/netcdf.h
+++ b/c++/codec-netcdf/netcdf.h
@@ -5,6 +5,7 @@
 #include <forstio/codec/data.h>
 
 #include <netcdf.h>
+#include <netcdf_mem.h>
 
 namespace saw {
 namespace encode {
@@ -20,22 +21,23 @@ struct Netcdf {};
 template<typename Schema>
 class data<Schema, encode::Netcdf> {
 private:
-		std::string path_;
+		std::vector<uint8_t> buff_;
 public:
-		data(const std::string& path):
-				path_{path}
+		data(std::vector<uint8_t> buff):
+				buff_{std::move(buff)}
 		{}
 
-		data(std::string&& path):
-				path_{std::move(path)}
+		template<size_t N>
+		data(const std::array<uint8_t, N>& arr):
+			buff_{arr.begin(), arr.end()}
 		{}
 
-		std::string_view get_path_view() {
-				return path_;
+		std::vector<uint8_t>& get_data() {
+				return buff_;
 		}
 
-		const std::string& get_path() const {
-				return path_;
+		const std::vector<uint8_t>& get_data() const {
+				return buff_;
 		}
 };
 
@@ -77,7 +79,7 @@ public:
 				int ncid{};
 				int rc{};
 
-				rc = nc_open(from_decode.get_path().c_str(), NC_NOWRITE, &ncid);
+				rc = nc_open_mem("forstio_internal_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>();
diff --git a/tests/codec-netcdf.cpp b/tests/codec-netcdf.cpp
index 72fc5ea..11e53c3 100644
--- a/tests/codec-netcdf.cpp
+++ b/tests/codec-netcdf.cpp
@@ -14,10 +14,39 @@ using TestArrayStruct = Struct<
 >;
 }
 
+std::array<uint8_t,112> tests_data_primitive_nc = {
+  0x43, 0x44, 0x46, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x04,
+  0x64, 0x61, 0x74, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x04,
+  0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x05, 0x6f, 0x74, 0x68, 0x65,
+  0x72, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x08,
+  0x00, 0x00, 0x00, 0x68, 0x00, 0x00, 0x00, 0x05, 0x40, 0x40, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00
+};
+
+std::array<uint8_t,156> tests_data_array_nc = {
+  0x43, 0x44, 0x46, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a,
+  0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x78, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01, 0x79, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x04,
+  0x64, 0x61, 0x74, 0x61, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x00, 0x60,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02,
+  0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x05,
+  0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x08,
+  0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x0b,
+  0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x0e
+};
+
 SAW_TEST("NetCDF Struct Primitive read"){
 		using namespace saw;
 		
-		data<schema::TestStruct, encode::Netcdf> netcdf{"./data/primitive.nc"};
+		data<schema::TestStruct, encode::Netcdf> netcdf{tests_data_primitive_nc};
 
 		data<schema::TestStruct, encode::Native> native;
 
@@ -32,7 +61,7 @@ SAW_TEST("NetCDF Struct Primitive read"){
 SAW_TEST("NetCDF Struct Array read"){
 		using namespace saw;
 		
-		data<schema::TestArrayStruct, encode::Netcdf> netcdf{"./data/array.nc"};
+		data<schema::TestArrayStruct, encode::Netcdf> netcdf{tests_data_array_nc};
 
 		data<schema::TestArrayStruct, encode::Native> native;
 
diff --git a/tests/data/array.nc b/tests/data/array.nc
deleted file mode 100644
index 2155846..0000000
Binary files a/tests/data/array.nc and /dev/null differ
diff --git a/tests/data/primitive.nc b/tests/data/primitive.nc
deleted file mode 100644
index ab49e3b..0000000
Binary files a/tests/data/primitive.nc and /dev/null differ
-- 
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