Implemented parse_wrmap_coordinates.

[philipp/winterrodeln/wrpylib.git] / wrpylib / wrmwmarkup.py

diff --git a/wrpylib/wrmwmarkup.py b/wrpylib/wrmwmarkup.py
index 5dd7ec0b889603f61e1e9f9ae39d7278663a183e..c968b20d4005453f620b2d32bd33599c74117db4 100644 (file)
--- a/wrpylib/wrmwmarkup.py
+++ b/wrpylib/wrmwmarkup.py
@@ -367,8 +367,23 @@ def parse_googlemap(wikitext):
     return {'lon': center[0], 'lat': center[1], 'zoom': zoom}, json
 
 
-def parse_wrmap_coordinates(coordinates_str):
-    return [[0, 0]] # TODO
+def parse_wrmap_coordinates(coords):
+    '''gets a string coordinates and returns an array of lon/lat coordinate pairs, e.g.
+    47.12 N 11.87 E
+    47.13 N 11.70 E
+    ->
+    [[11.87, 47.12], [11.70, 47.13]]'''
+    result = []
+    pos = 0
+    for match in re.finditer(r'\s*(\d+\.?\d*)\s*N?\s+(\d+\.?\d*)\s*E?\s*', coords):
+        if match.start() != pos:
+            break
+        result.append([float(match.groups()[1]), float(match.groups()[0])])
+        pos = match.end()
+    else:
+        if pos == len(coords):
+            return result
+    raise RuntimeError('Wrong coordinate format: {}'.format(coords))
 
 
 def parse_wrmap(wikitext):