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author | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-05-13 05:28:37 +0000 |
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committer | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-05-13 05:28:37 +0000 |
commit | d97c0ec46c554920350403623d70938216b5a2b0 (patch) | |
tree | d9b5c381b64bae295b407353685207a02bd7f772 /sca-cpp/trunk/samples/store-cpp/currency-converter.cpp | |
parent | 1e5e2e13bee367edc36aa6ee94be4ddfb34378ec (diff) |
Move samples to samples directory.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@943805 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-cpp/trunk/samples/store-cpp/currency-converter.cpp')
-rw-r--r-- | sca-cpp/trunk/samples/store-cpp/currency-converter.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/sca-cpp/trunk/samples/store-cpp/currency-converter.cpp b/sca-cpp/trunk/samples/store-cpp/currency-converter.cpp new file mode 100644 index 0000000000..5f0702490a --- /dev/null +++ b/sca-cpp/trunk/samples/store-cpp/currency-converter.cpp @@ -0,0 +1,67 @@ +/* + * 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. + */ + +/* $Rev$ $Date$ */ + +/** + * Currency converter component implementation. + */ + +#include "string.hpp" +#include "function.hpp" +#include "list.hpp" +#include "value.hpp" +#include "monad.hpp" + +namespace tuscany { +namespace store { + +/** + * Convert an amount from USD to a currency. + */ +const failable<value> convert(unused const value& from, const value& to, const value& amount) { + if (to == string("EUR")) + return value(0.70 * (double)amount); + return amount; +} + +/** + * Return a currency symbol. + */ +const failable<value> symbol(const value& currency) { + if (currency == string("EUR")) + return value(string("E")); + return value(string("$")); +} + +} +} + +extern "C" { + +const tuscany::value apply(const tuscany::list<tuscany::value>& params) { + const tuscany::value func(car(params)); + if (func == "convert") + return tuscany::store::convert(cadr(params), caddr(params), cadddr(params)); + if (func == "symbol") + return tuscany::store::symbol(cadr(params)); + return tuscany::mkfailure<tuscany::value>(); +} + +} |