36adc76235
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1420007 13f79535-47bb-0310-9956-ffa450edef68
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/* $Rev$ $Date$ */
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/**
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* Catalog component implementation.
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*/
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#include "string.hpp"
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#include "function.hpp"
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#include "list.hpp"
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#include "value.hpp"
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#include "monad.hpp"
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namespace tuscany {
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namespace store {
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/**
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* Returns the catalog.
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*/
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const list<value> mkfruit(const string& name, const string& code, const string& symbol, const double price) {
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return nilListValue +
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mklist<value>("name", name) + mklist<value>("currencyCode", code) + mklist<value>("currencySymbol", symbol) + mklist<value>("price", price);
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}
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const failable<value> items(const lvvlambda& converter, const lvvlambda& currencyCode) {
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const string currency(currencyCode(nilListValue));
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const string symbol(converter(mklist<value>("symbol", currency)));
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const vvlambda conv = [converter, currency](const value& price) -> const value {
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return converter(mklist<value>("convert", string("USD"), currency, price));
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};
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return value(nilListValue +
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mkfruit("Apple", currency, symbol, conv(2.99)) +
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mkfruit("Orange", currency, symbol, conv(3.55)) +
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mkfruit("Pear", currency, symbol, conv(1.55)));
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}
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}
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}
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extern "C" {
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const tuscany::value apply(const tuscany::list<tuscany::value>& params) {
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const tuscany::value func(car(params));
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if (func == "items")
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return tuscany::store::items(cadr(params), caddr(params));
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return tuscany::mkfailure<tuscany::value>();
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}
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}
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