From 3a8da3c1855663909d61c79aeb28ce04118d1d6f Mon Sep 17 00:00:00 2001 From: jsdelfino Date: Mon, 11 Feb 2013 05:54:42 +0000 Subject: Add nuvem components. git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1444662 13f79535-47bb-0310-9956-ffa450edef68 --- sca-cpp/trunk/components/logic/nuvem/lookup.py | 55 ++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 sca-cpp/trunk/components/logic/nuvem/lookup.py (limited to 'sca-cpp/trunk/components/logic/nuvem/lookup.py') diff --git a/sca-cpp/trunk/components/logic/nuvem/lookup.py b/sca-cpp/trunk/components/logic/nuvem/lookup.py new file mode 100644 index 0000000000..d61d032636 --- /dev/null +++ b/sca-cpp/trunk/components/logic/nuvem/lookup.py @@ -0,0 +1,55 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. + +# Return a list of name value pairs that match a name +def get(r, n, l): + def isList(v): + if getattr(v, '__iter__', False) == False: + return False + if isinstance(v, basestring) or isinstance(v, dict): + return False + return True + + def isAssoc(v): + return isList(v) and len(v) == 2 and isinstance(v[0], basestring) and v[0][0:1] == "'" + + def lookup(nv, lv): + if lv == (): + return () + + # Check if list element is a name value pair assoc + a = lv[0] + if not isAssoc(a): + return lookup(nv, lv[1:]) + + # Got a match, return it and lookup rest of the list + an = "'" + a[0][2:] if a[0][0:2] == "'@" else a[0] + if an == nv: + return (a,) + lookup(nv, lv[1:]) + + # No match, lookup rest of the list + return lookup(nv, lv[1:]) + + def qsymbol(x): + if not isinstance(x, basestring): + return x + return x if x[0:1] == "'" else "'" + x + + nv = n.get(r) + lv = l.get(r) + return lookup(qsymbol(nv), () if lv is None else lv) + -- cgit v1.2.3