From fc48ae135faccaf8e5a4e4dd3679e907ba2f0a6c Mon Sep 17 00:00:00 2001
From: Christian Zimmermann <christian.zimmermann@ur.de>
Date: Wed, 10 May 2023 01:21:30 +0200
Subject: [PATCH] start cereal wrappers (move to separate submodule in the
 future...)

---
 cnorxz/base/base.pyx   | 10 ++++++++++
 cnorxz/base/cereal.pxd | 15 +++++++++++++++
 setup.py               |  1 +
 3 files changed, 26 insertions(+)
 create mode 100644 cnorxz/base/cereal.pxd

diff --git a/cnorxz/base/base.pyx b/cnorxz/base/base.pyx
index ae58ddf..3b1f4ef 100644
--- a/cnorxz/base/base.pyx
+++ b/cnorxz/base/base.pyx
@@ -9,10 +9,12 @@
 from libcpp.memory cimport shared_ptr, make_shared, dynamic_pointer_cast
 from libcpp.string cimport string
 from libcpp cimport bool
+from cython.operator cimport dereference as deref
 from range cimport cpp_RangeBase
 from range_factory cimport cpp_RangeFactoryBase, cpp_CRangeFactory
 from array cimport cpp_CArrayBase, cpp_MArray
 from index cimport cpp_DIndex
+from cereal cimport cpp_writeJSONFile
 
 
 ## ============
@@ -152,3 +154,11 @@ def getSubRange(_range):
     cdef Array_Range a = Array_Range()
     a.cpp_array = dynamic_pointer_cast[cpp_CArrayBase[shared_ptr[cpp_RangeBase]],cpp_MArray[shared_ptr[cpp_RangeBase]]] (make_shared[cpp_MArray[shared_ptr[cpp_RangeBase]]] (r.cpp_range.get().sub()) )
     return a
+
+
+def writeJSONFile(_fname,_array):
+    cdef Array_Double a = _array
+    cdef shared_ptr[cpp_MArray[double]] ap = dynamic_pointer_cast[cpp_MArray[double],cpp_CArrayBase[double]](a.cpp_array)
+    cpp_writeJSONFile[double](_fname, deref(ap.get()))
+
+
diff --git a/cnorxz/base/cereal.pxd b/cnorxz/base/cereal.pxd
new file mode 100644
index 0000000..f31d89f
--- /dev/null
+++ b/cnorxz/base/cereal.pxd
@@ -0,0 +1,15 @@
+
+from libcpp.string cimport string
+from array cimport cpp_MArray
+
+cdef extern from "cereal/cnorxz_cereal.h" namespace "CNORXZ::cer":
+    cdef cppclass cpp_Format "CNORXZ::cer::Format":
+        pass
+
+cdef extern from "cereal/cnorxz_cereal.h" namespace "CNORXZ::cer::Format":
+    cdef cpp_Format BINARY
+    cdef cpp_Format JSON
+    cdef cpp_Format XML
+
+cdef extern from "cereal/cnorxz_cereal.h" namespace "CNORXZ::cer":
+    cdef void cpp_writeJSONFile "CNORXZ::cer::writeJSONFile" [T] (const string&, const cpp_MArray[T]&)
diff --git a/setup.py b/setup.py
index f77a2ff..0d485d0 100644
--- a/setup.py
+++ b/setup.py
@@ -60,6 +60,7 @@ if __name__ == "__main__":
             sources = [
                 "cnorxz/base/base.pyx",
             ],
+            define_macros=[('HAVE_CEREAL',None)],
             **default_extension_args
         )
     )