/* * Copyright 2004 The Apache Software Foundation * * Licensed 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. */ #include <cctype> #include <functional> #include <string> namespace jsp2 { namespace examples { namespace el { /** * Defines the functions for the jsp2 example tag library. * * <p>Each function is defined as a static method.</p> */ class Functions { public : static std::string reverse( std::string text ) { return std::string(text.rbegin(), text.rend()); } static int numVowels( std::string text ) { std::string vowels = "aeiouAEIOU"; int result = 0; for( size_t i = 0; i < text.length(); i++ ) { if( vowels.find( text[ i ] ) != std::string::npos ) { result++; } } return result; } static std::string caps( std::string text ) { std::string result; std::transform(text.begin(), text.end(), std::back_inserter(result), std::ptr_fun(::toupper)); return result; } }; } } } // namespace