From 794473ca1924ddbc0a1e8bebe6f0724bf7d2e04b Mon Sep 17 00:00:00 2001
From: jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68>
Date: Tue, 5 Jan 2010 10:54:48 +0000
Subject: Integrated python support with HTTPD server module. Changed test case
 to use a python component implementation.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@895982 13f79535-47bb-0310-9956-ffa450edef68
---
 sca-cpp/trunk/modules/server/mod-python.hpp | 81 +++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 sca-cpp/trunk/modules/server/mod-python.hpp

(limited to 'sca-cpp/trunk/modules/server/mod-python.hpp')

diff --git a/sca-cpp/trunk/modules/server/mod-python.hpp b/sca-cpp/trunk/modules/server/mod-python.hpp
new file mode 100644
index 0000000000..7b7b88f211
--- /dev/null
+++ b/sca-cpp/trunk/modules/server/mod-python.hpp
@@ -0,0 +1,81 @@
+/*
+ * 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.
+ */
+
+/* $Rev$ $Date$ */
+
+#ifndef tuscany_modpython_hpp
+#define tuscany_modpython_hpp
+
+/**
+ * Evaluation functions used by mod-eval to evaluate implementation.python
+ * component implementations.
+ */
+
+#include "string.hpp"
+#include "stream.hpp"
+#include "function.hpp"
+#include "list.hpp"
+#include "value.hpp"
+#include "debug.hpp"
+#include "monad.hpp"
+#include "../python/eval.hpp"
+#include "../http/httpd.hpp"
+
+namespace tuscany {
+namespace server {
+namespace modpython {
+
+/**
+ * Evaluate a script component implementation function.
+ */
+struct evalImplementation {
+    PyObject* impl;
+    const list<value> px;
+    evalImplementation(PyObject* impl, const list<value>& px) : impl(impl), px(px) {
+    }
+    const value operator()(const list<value>& params) const {
+        const value expr = append<value>(params, px);
+        debug(expr, "modeval::python::evalImplementation::input");
+        gc_pool pool(gc_current_pool());
+        const failable<value> val = python::evalScript(expr, impl, pool);
+        debug(val, "modeval::python::evalImplementation::result");
+        if (!hasContent(val))
+            return mklist<value>(value(), reason(val));
+        return mklist<value>(content(val));
+    }
+};
+
+/**
+ * Read a script component implementation.
+ */
+const failable<lambda<value(const list<value>&)> > readImplementation(const string& path, const list<value>& px) {
+    ifstream is(path);
+    if (fail(is))
+        return mkfailure<lambda<value(const list<value>&)> >(string("Could not read implementation: ") + path);
+    const failable<PyObject*> impl = python::readScript(path, is);
+    if (!hasContent(impl))
+        return mkfailure<lambda<value(const list<value>&)> >(reason(impl));
+    return lambda<value(const list<value>&)>(evalImplementation(content(impl), px));
+}
+
+}
+}
+}
+
+#endif /* tuscany_modpython_hpp */
-- 
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