Merge remote-tracking branch 'upstream/master' into init_auto

[nit.git] / src / model / serialize_model.nit

diff --git a/src/model/serialize_model.nit b/src/model/serialize_model.nit
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+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Service to serialize `POSet` to JSON
+module serialize_model
+
+private import json::serialization_write
+
+import model
+
+redef class POSet[E]
+
+       # Serialize `self` to JSON using the `to_s` representation of each item
+       fun to_thin_json: String
+       do
+               var thin_poset = new POSet[String]
+               for e in self do
+                       var from = (e or else "null").to_s
+                       for g in self[e].direct_greaters do
+                               thin_poset.add_edge(from, (g or else "null").to_s)
+                       end
+               end
+               return thin_poset.serialize_to_json
+       end
+end