WKT might contain a Spatial Reference System Identifier (SRID) at the…

… beginning This change adds the optional SRID to the grammar, contains a newly generated parser and a test case for a WKT with SRID.
frictionlessdata · Feb 2, 2025 · 7c0cfb5 · 7c0cfb5
1 parent 95098b3
commit 7c0cfb5
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Showing 3 changed files with 166 additions and 276 deletions.
diff --git a/frictionless/fields/__spec__/test_string.py b/frictionless/fields/__spec__/test_string.py
@@ -37,6 +37,16 @@ def test_string_read_cell(format, source, target):
     "format, source, target",
     [
         ("wkt", "POINT (30 10)", "POINT (30 10)"),
+        (
+            "wkt",
+            "POINT (574009.086492192 6028393.69530573)",
+            "POINT (574009.086492192 6028393.69530573)",
+        ),
+        (
+            "wkt",
+            "SRID=25832;POINT (574009.086492192 6028393.69530573)",
+            "SRID=25832;POINT (574009.086492192 6028393.69530573)",
+        ),
         ("wkt", "LINESTRING (30 10, 10 30, 40 40)", "LINESTRING (30 10, 10 30, 40 40)"),
         (
             "wkt",

diff --git a/frictionless/vendors/wkt/grammar.txt b/frictionless/vendors/wkt/grammar.txt
@@ -1,9 +1,16 @@
 wkt_representation =
+    srid_specification wkt_representation_body |
+    wkt_representation_body;
+
+wkt_representation_body =
     point_text_representation |
     curve_text_representation |
     surface_text_representation |
     collection_text_representation;
 
+srid_specification =
+    "SRID=" number ";";
+
 point_text_representation = "POINT" [ z_m ] point_text;
 
 curve_text_representation =