1 files changed, 41 insertions, 0 deletions
diff --git a/accessible/base/RelationTypeGen.py b/accessible/base/RelationTypeGen.py
new file mode 100644
index 0000000000..8d9a0f91bf
--- /dev/null
+++ b/accessible/base/RelationTypeGen.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import re
+
+
+def generate(relH, relIdl):
+    input = open(relIdl, "rt").read()
+    relations = re.findall(
+        r"const unsigned long RELATION_([A-Z_]+) = ([x0-9a-f]+);", input
+    )
+
+    relH.write(
+        "/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n"
+        "/* Relations are defined in accessible/interfaces/nsIAccessibleRelation.idl */\n\n"
+        "#ifndef mozilla_a11y_relationtype_h_\n"
+        "#define mozilla_a11y_relationtype_h_\n\n"
+        "namespace mozilla {\n"
+        "namespace a11y {\n\n"
+        "enum class RelationType {\n"
+    )
+    for name, num in relations:
+        relH.write(f"  {name} = {num},\n")
+    lastName = relations[-1][0]
+    relH.write(
+        f"  LAST = {lastName}\n"
+        "};\n\n"
+        "}  // namespace a11y\n"
+        "}  // namespace mozilla\n\n"
+        "#endif\n"
+    )
+
+
+# For debugging
+if __name__ == "__main__":
+    import sys
+
+    generate(sys.stdout, "accessible/interfaces/nsIAccessibleRelation.idl")