Implement joins in interface

1 files changed, 25 insertions, 0 deletions

diff --git a/interface/input/parsers.py b/interface/input/parsers.py
index 7dc7d82..64ba7c4 100755
--- a/interface/input/parsers.py
+++ b/interface/input/parsers.py
@@ -101,6 +101,30 @@ def parse_num(s):
 
     return (None if not buff else int(buff)), s, buff
 
+def parse_numlist(s):
+    if not s:
+        return None, s, None
+
+    rs = []
+    disp = []
+    tc = False
+    while s:
+        r, s, d = parse_num(s)
+        if r is None:
+            break
+        tc = False
+        rs.append(r)
+        disp.append(d)
+        if s and s[0] == ',':
+            s = s[1:]
+            tc = True
+        else:
+            break
+
+    if not rs:
+        return None, s, None
+    return tuple(rs), s, ", ".join(disp) + (", " if tc else "")
+
 _POSTFIXES = "mcisahkegtp"
 
 def parse_time(s):
@@ -201,4 +225,5 @@ PARSE_MAP = {
     "$quoted_string": parse_quotedstring,
     "$letter": parse_any_letter,
     "$time": parse_time,
+    "$numlist": parse_numlist,
 }