proj.h: add PJ_CATEGORY_DATUM_ENSEMBLE for proj_create_from_database()

3 files changed, 12 insertions, 1 deletions

diff --git a/src/iso19111/c_api.cpp b/src/iso19111/c_api.cpp
index 4fb73d31..cbbdcaa8 100644
--- a/src/iso19111/c_api.cpp
+++ b/src/iso19111/c_api.cpp
@@ -675,6 +675,9 @@ PJ *proj_create_from_database(PJ_CONTEXT *ctx, const char *auth_name,
                           codeStr, usePROJAlternativeGridNames != 0)
                       .as_nullable();
             break;
+        case PJ_CATEGORY_DATUM_ENSEMBLE:
+            obj = factory->createDatumEnsemble(codeStr).as_nullable();
+            break;
         }
         return pj_obj_create(ctx, NN_NO_CHECK(obj));
     } catch (const std::exception &e) {
diff --git a/src/proj.h b/src/proj.h
index e77a5984..4185ddbf 100644
--- a/src/proj.h
+++ b/src/proj.h
@@ -694,7 +694,8 @@ typedef enum
     PJ_CATEGORY_PRIME_MERIDIAN,
     PJ_CATEGORY_DATUM,
     PJ_CATEGORY_CRS,
-    PJ_CATEGORY_COORDINATE_OPERATION
+    PJ_CATEGORY_COORDINATE_OPERATION,
+    PJ_CATEGORY_DATUM_ENSEMBLE
 } PJ_CATEGORY;
 
 /** \brief Object type. */
diff --git a/test/unit/test_c_api.cpp b/test/unit/test_c_api.cpp
index a72aa72e..a7c1eb53 100644
--- a/test/unit/test_c_api.cpp
+++ b/test/unit/test_c_api.cpp
@@ -845,6 +845,13 @@ TEST_F(CApi, proj_create_from_database) {
         EXPECT_EQ(proj_get_type(datum), PJ_TYPE_GEODETIC_REFERENCE_FRAME);
     }
     {
+        auto ensemble = proj_create_from_database(
+            m_ctxt, "EPSG", "6326", PJ_CATEGORY_DATUM_ENSEMBLE, false, nullptr);
+        ASSERT_NE(ensemble, nullptr);
+        ObjectKeeper keeper(ensemble);
+        EXPECT_EQ(proj_get_type(ensemble), PJ_TYPE_DATUM_ENSEMBLE);
+    }
+    {
         // International Terrestrial Reference Frame 2008
         auto datum = proj_create_from_database(
             m_ctxt, "EPSG", "1061", PJ_CATEGORY_DATUM, false, nullptr);