(C++) WtAutoConfig

 

 

WtAutoConfig is a Wt class that allows to start a Wt application without the need of a user giving command-line parameters. It is a fine starting point for a Wt application.

Technical facts

 

 

 

 

 

 

./CppWtAutoConfig/CppWtAutoConfig.pri

 

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INCLUDEPATH += \     ../../Classes/CppWtAutoConfig SOURCES += \     ../../Classes/CppWtAutoConfig/wtautoconfig.cpp HEADERS  += \     ../../Classes/CppWtAutoConfig/wtautoconfig.h OTHER_FILES += \     ../../Classes/CppWtAutoConfig/Licence.txt

 

 

 

 

 

./CppWtAutoConfig/wtautoconfig.h

 

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//--------------------------------------------------------------------------- /* WtAutoConfig, configures a Wt server in a default way Copyright 2011-2015 Richel Bilderbeek This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ //--------------------------------------------------------------------------- //From http://www.richelbilderbeek.nl/CppWtAutoConfig.htm //--------------------------------------------------------------------------- #ifndef WTAUTOCONFIG_H #define WTAUTOCONFIG_H #include <string> #include <vector> #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-but-set-parameter" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #pragma GCC diagnostic pop namespace Wt {   struct WApplication;   struct WEnvironment; } namespace ribi { ///WtAutoConfig is a class to automatically start a Wt ///server in a default configuration. struct WtAutoConfig {   typedef Wt::WApplication * (*FunctionType)(const Wt::WEnvironment&);   WtAutoConfig(const int argc, char ** const argv, const FunctionType function);   int Run();   private:   const int m_argc;   char ** const m_argv; //m_argv must be non-const for boost::program_options::parse_command_line   const FunctionType m_function;   public:   static std::vector<std::string> CreateDefaultStylesheet();   ///Obtain the version of this class   static std::string GetVersion();   ///Obtain the version history of this class   static std::vector<std::string> GetVersionHistory();   static void SaveDefaultStylesheet(); }; } //~namespace ribi #endif // WTAUTOCONFIG_H

 

 

 

 

 

./CppWtAutoConfig/wtautoconfig.cpp

 

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//--------------------------------------------------------------------------- /* WtAutoConfig, configures a Wt server in a default way Copyright 2011-2015 Richel Bilderbeek This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ //--------------------------------------------------------------------------- //From http://www.richelbilderbeek.nl/CppWtAutoConfig.htm //--------------------------------------------------------------------------- #include <algorithm> #include <cassert> #include <fstream> #include <iostream> #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-but-set-parameter" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #include <boost/program_options.hpp> #include <Wt/WApplication> #include <Wt/WEnvironment> #include "wtautoconfig.h" #pragma GCC diagnostic pop ribi::WtAutoConfig::WtAutoConfig(   const int argc, char ** const argv,const FunctionType function)   : m_argc(argc),     m_argv(argv),     m_function(function) { } std::string ribi::WtAutoConfig::GetVersion() {   return "1.1"; } std::vector<std::string> ribi::WtAutoConfig::GetVersionHistory() {   return {     "2011-04-16: version 1.0: initial version",     "2011-04-18: version 1.1: added CreateDefaultStylesheet and SaveDefaultStylesheet member functions"   }; } int ribi::WtAutoConfig::Run() {   // Declare the supported options.   boost::program_options::options_description d(     "Allowed options for TestLed");   std::string docroot;   std::string http_address;   std::string http_port;   d.add_options()       ("help",         "produce this help message")       ("docroot",          boost::program_options::value<std::string>(&docroot)->default_value("."),          "the docroot")       ("http-address",          boost::program_options::value<std::string>(&http_address)->default_value("0.0.0.0"),          "the server's http address")       ("http-port",          boost::program_options::value<std::string>(&http_port)->default_value("8080"),          "the server's http port")       ;   boost::program_options::variables_map m;   boost::program_options::store(     boost::program_options::parse_command_line(       m_argc, m_argv, d), m);   boost::program_options::notify(m);   if (m.count("help"))   {     //Display the options_description     std::cout << d << "\n";     return 0;   }   //Create the arguments in std::string format   std::vector<std::string> v(7);   v[0] = m_argv[0];   v[1] = "--docroot";   v[2] = docroot;   v[3] = "--http-address";   v[4] = http_address;   v[5] = "--http-port";   v[6] = http_port;   //Convert the arguments to char* format   std::vector<char*> w(7);   for (int i=0; i!=7; ++i) w[i] = &v[i][0];   //Give Wt the modified parameters   return WRun(w.size(), &w[0], m_function); } std::vector<std::string> ribi::WtAutoConfig::CreateDefaultStylesheet() {   std::vector<std::string> v;   v.push_back("* { font-family:\"Courier New\"; }");   v.push_back("");   v.push_back("body");   v.push_back("{");   v.push_back("  background-image:url('RichelbilderbeekNlBackground.png');");   v.push_back("  background-position:center center;");   v.push_back("}");   v.push_back("");   v.push_back(".title");   v.push_back("{");   v.push_back("  font-weight:bold;");   v.push_back("  font-size:xx-large;");   v.push_back("}");   v.push_back("");   v.push_back("table, th, td");   v.push_back("{");   v.push_back("  border: 1px solid black;");   v.push_back("}");   v.push_back("");   v.push_back("td");   v.push_back("{");   v.push_back("  padding:12px;");   v.push_back("}");   v.push_back("");   v.push_back(".menu * .item");   v.push_back("{");   v.push_back("  cursor: pointer; cursor: hand;");   v.push_back("  font-size:x-large;");   v.push_back("  color: black;");   v.push_back("  padding:12px;");   v.push_back("}");   v.push_back("");   v.push_back(".menu * .itemselected {");   v.push_back("  font-size:x-large;");   v.push_back("  font-weight: bold;");   v.push_back("  color: blue;");   v.push_back("  padding:12px;");   v.push_back("}");   v.push_back("");   v.push_back(".wtwebsitemenu * .item");   v.push_back("{");   v.push_back("  cursor: pointer; cursor: hand;");   v.push_back("  font-size:small;");   v.push_back("  color: black;");   v.push_back("  padding:4px;");   v.push_back("  background-color:rgb(160,160,160);");   v.push_back("  border:0px");   v.push_back("}");   v.push_back("");   v.push_back(".wtwebsitemenu * .itemselected {");   v.push_back("  font-size:small;");   v.push_back("  font-weight:bold;");   v.push_back("  color: blue;");   v.push_back("  padding:4px;");   v.push_back("  background-color:rgb(196,196,196);");   v.push_back("  border:0px");   v.push_back("}");   return v; } void ribi::WtAutoConfig::SaveDefaultStylesheet() {   const std::vector<std::string> v = CreateDefaultStylesheet();   std::ofstream f("wt.css");   std::copy(v.begin(),v.end(),std::ostream_iterator<std::string>(f,"\n")); }