# HG changeset patch
# User paulb
# Date 1094153570 0
# Node ID 298e1509dff4125226472f05442e9ff0651bf385
# Parent  5f9836c6dd9d085e8d16540dccde66adcdc7664e
[project @ 2004-09-02 19:32:50 by paulb]
Added a simple query string tokenizer.

diff -r 5f9836c6dd9d -r 298e1509dff4 WebStack/Helpers/Request.py
--- a/WebStack/Helpers/Request.py	Thu Sep 02 19:32:22 2004 +0000
+++ b/WebStack/Helpers/Request.py	Thu Sep 02 19:32:50 2004 +0000
@@ -134,4 +134,29 @@
     else:
         return field_str
 
+def get_fields_from_query_string(query_string, decoder):
+
+    """
+    Returns a dictionary mapping field names to lists of values for the data
+    encoded in the given 'query_string'. Use the given 'decoder' function or
+    method to process the URL-encoded values.
+    """
+
+    fields = {}
+
+    for pair in query_string.split("&"):
+        t = pair.split("=")
+        name = decoder(t[0])
+
+        if len(t) == 2:
+            value = decoder(t[1])
+        else:
+            value = ""
+
+        if not fields.has_key(name):
+            fields[name] = []
+        fields[name].append(value)
+
+    return fields
+
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