urls.encoding: tweak assoc>query to fix problem with OAuth

basis/urls/encoding/encoding-tests.factor

@@ -11,6 +11,12 @@ USING: urls.encoding tools.test arrays kernel assocs present accessors ;
 [ "hello world" ] [ "hello world%x" url-decode ] unit-test
 [ "hello%20world" ] [ "hello world" url-encode ] unit-test
 
+[ "~foo" ] [ "~foo" url-encode ] unit-test
+[ "~foo" ] [ "~foo" url-encode-full ] unit-test
+
+[ ":foo" ] [ ":foo" url-encode ] unit-test
+[ "%3Afoo" ] [ ":foo" url-encode-full ] unit-test
+
 [ "hello world" ] [ "hello+world" query-decode ] unit-test
 
 [ "\u001234hi\u002045" ] [ "\u001234hi\u002045" url-encode url-decode ] unit-test
@@ -25,6 +31,8 @@ USING: urls.encoding tools.test arrays kernel assocs present accessors ;
 
 [ H{ { "text" "hello world" } } ] [ "text=hello+world" query>assoc ] unit-test
 
+[ "foo=%3A" ] [ { { "foo" ":" } } assoc>query ] unit-test
+
 [ "a=3" ] [ { { "a" 3 } } assoc>query ] unit-test
 
 [ "a" ] [ { { "a" f } } assoc>query ] unit-test

basis/urls/encoding/encoding.factor

@@ -1,4 +1,4 @@
-! Copyright (C) 2008 Slava Pestov.
+! Copyright (C) 2008, 2010 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: kernel ascii combinators combinators.short-circuit
 sequences splitting fry namespaces make assocs arrays strings
@@ -11,7 +11,7 @@ IN: urls.encoding
         [ letter? ]
         [ LETTER? ]
         [ digit? ]
-        [ "/_-.:" member? ]
+        [ "-._~/:" member? ]
     } 1|| ; foldable
 
 ! see http://tools.ietf.org/html/rfc3986#section-2.2
@@ -120,7 +120,7 @@ PRIVATE>
 : assoc>query ( assoc -- str )
     [
         assoc-strings [
-            [ url-encode ] dip
-            [ [ url-encode "=" glue , ] with each ] [ , ] if*
+            [ url-encode-full ] dip
+            [ [ url-encode-full "=" glue , ] with each ] [ , ] if*
         ] assoc-each
     ] { } make "&" join ;