mirror of
https://github.com/pocoproject/poco.git
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added PageCompiler
This commit is contained in:
Guenter Obiltschnig
515
PageCompiler/src/PageCompiler.cpp
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515
PageCompiler/src/PageCompiler.cpp
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@@ -0,0 +1,515 @@
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//
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// PageCompiler.cpp
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//
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// $Id: //poco/Main/PageCompiler/src/PageCompiler.cpp#1 $
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//
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// A compiler that compiler HTML pages containing JSP directives into C++ classes.
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//
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// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/Util/Application.h"
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#include "Poco/Util/Option.h"
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#include "Poco/Util/OptionSet.h"
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#include "Poco/Util/HelpFormatter.h"
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#include "Poco/Util/AbstractConfiguration.h"
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#include "Poco/AutoPtr.h"
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#include "Poco/FileStream.h"
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#include "Poco/Path.h"
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#include "Poco/DateTime.h"
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#include "Poco/DateTimeFormatter.h"
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#include "Poco/DateTimeFormat.h"
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#include "Poco/StringTokenizer.h"
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#include "Poco/LineEndingConverter.h"
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#include "Page.h"
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#include <cctype>
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#include <sstream>
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#include <iostream>
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using Poco::Util::Application;
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using Poco::Util::Option;
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using Poco::Util::OptionSet;
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using Poco::Util::HelpFormatter;
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using Poco::Util::AbstractConfiguration;
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using Poco::Util::OptionCallback;
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using Poco::AutoPtr;
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using Poco::FileInputStream;
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using Poco::FileOutputStream;
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using Poco::Path;
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using Poco::DateTime;
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using Poco::DateTimeFormatter;
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using Poco::DateTimeFormat;
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using Poco::StringTokenizer;
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using Poco::OutputLineEndingConverter;
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class CompilerApp: public Application
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{
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public:
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CompilerApp():
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_helpRequested(false),
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_generateOSPCode(false),
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_generateApacheCode(false)
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{
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}
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protected:
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void initialize(Application& self)
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{
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loadConfiguration(); // load default configuration files, if present
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Application::initialize(self);
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}
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void defineOptions(OptionSet& options)
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{
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Application::defineOptions(options);
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options.addOption(
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Option("help", "h", "display help information on command line arguments")
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.required(false)
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.repeatable(false)
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.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleHelp)));
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options.addOption(
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Option("define", "D", "define a property")
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.required(false)
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.repeatable(true)
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.argument("name=value")
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.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleDefine)));
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options.addOption(
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Option("config-file", "f", "load configuration data from a file")
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.required(false)
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.repeatable(true)
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.argument("file")
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.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleConfig)));
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options.addOption(
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Option("osp", "O", "add factory class definition/implementation for use with OSP")
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.required(false)
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.repeatable(false)
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.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleOSP)));
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options.addOption(
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Option("apache", "A", "add factory class definition/implementation and shared library manifest for use with ApacheConnector")
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.required(false)
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.repeatable(false)
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.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleApache)));
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}
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void handleHelp(const std::string& name, const std::string& value)
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{
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_helpRequested = true;
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displayHelp();
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stopOptionsProcessing();
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}
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void handleDefine(const std::string& name, const std::string& value)
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{
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defineProperty(value);
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}
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void handleConfig(const std::string& name, const std::string& value)
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{
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loadConfiguration(value);
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}
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void handleOSP(const std::string& name, const std::string& value)
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{
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_generateOSPCode = true;
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}
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void handleApache(const std::string& name, const std::string& value)
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{
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_generateApacheCode = true;
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}
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void displayHelp()
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{
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HelpFormatter helpFormatter(options());
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helpFormatter.setCommand(commandName());
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helpFormatter.setUsage("OPTIONS PAGES");
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helpFormatter.setHeader("The POCO C++ Server Page Compiler.");
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helpFormatter.format(std::cout);
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}
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void defineProperty(const std::string& def)
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{
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std::string name;
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std::string value;
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std::string::size_type pos = def.find('=');
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if (pos != std::string::npos)
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{
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name.assign(def, 0, pos);
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value.assign(def, pos + 1, def.length() - pos);
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}
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else name = def;
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config().setString(name, value);
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}
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int main(const std::vector<std::string>& args)
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{
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if (_helpRequested)
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return Application::EXIT_OK;
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for (std::vector<std::string>::const_iterator it = args.begin(); it != args.end(); ++it)
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{
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compile(*it);
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}
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return Application::EXIT_OK;
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}
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void compile(const std::string& path)
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{
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Page page(path);
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FileInputStream srcStream(path);
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page.parse(srcStream);
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Path p(path);
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config().setString("inputFileName", p.getFileName());
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config().setString("inputFilePath", p.toString());
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DateTime now;
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config().setString("dateTime", DateTimeFormatter::format(now, DateTimeFormat::SORTABLE_FORMAT));
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std::string clazz;
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if (page.has("page.class"))
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{
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clazz = page.get("page.class");
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p.setBaseName(clazz);
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}
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else
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{
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clazz = p.getBaseName() + "Handler";
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clazz[0] = std::toupper(clazz[0]);
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}
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p.setExtension("h");
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std::string headerPath = p.toString();
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std::string headerFileName = p.getFileName();
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config().setString("outputFileName", p.getFileName());
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config().setString("outputFilePath", headerPath);
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FileOutputStream headerStream(headerPath);
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OutputLineEndingConverter headerLEC(headerStream);
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writeHeader(headerLEC, page, clazz, p.getFileName());
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p.setExtension("cpp");
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std::string implPath = p.toString();
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config().setString("outputFileName", p.getFileName());
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config().setString("outputFilePath", implPath);
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FileOutputStream implStream(implPath);
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OutputLineEndingConverter implLEC(implStream);
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writeImpl(implLEC, page, clazz, headerFileName);
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}
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void writeHeader(std::ostream& ostr, Page& page, const std::string& clazz, const std::string& headerFileName)
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{
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std::string fileHeader = config().getString("PageCompiler.fileHeader", "");
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if (!fileHeader.empty())
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{
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ostr << fileHeader << std::endl;
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ostr << "\n\n";
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}
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Path p(headerFileName);
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std::string guard(p.getBaseName());
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guard += "_INCLUDED";
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ostr << "#ifndef " << guard << "\n";
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ostr << "#define " << guard << "\n";
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ostr << "\n\n";
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ostr << "#include \"Poco/Net/HTTPRequestHandler.h\"\n";
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if (_generateOSPCode)
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{
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ostr << "#include \"Poco/OSP/Web/WebRequestHandlerFactory.h\"\n";
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ostr << "#include \"Poco/OSP/BundleContext.h\"\n";
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}
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else if (_generateApacheCode)
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{
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ostr << "#include \"Poco/Net/HTTPRequestHandlerFactory.h\"\n";
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}
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ostr << "\n\n";
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const std::string& decls = page.headerDecls();
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if (!decls.empty())
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{
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ostr << decls;
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ostr << "\n\n";
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}
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beginNamespace(ostr, page);
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std::string base(page.get("page.baseClass", "Poco::Net::HTTPRequestHandler"));
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std::string ctorArg;
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if (_generateOSPCode)
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ctorArg = "Poco::OSP::BundleContext::Ptr";
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else
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ctorArg = page.get("page.ctorArg", "");
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std::string exprt(page.get("page.export", ""));
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if (!exprt.empty()) exprt += ' ';
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ostr << "class " << exprt << clazz << ": public " << base << "\n";
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ostr << "{\n";
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ostr << "public:\n";
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if (!ctorArg.empty())
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{
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ostr << "\t" << clazz << "(" << ctorArg << ");\n";
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ostr << "\n";
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}
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ostr << "\tvoid handleRequest(Poco::Net::HTTPServerRequest& request, Poco::Net::HTTPServerResponse& response);\n";
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if (_generateOSPCode)
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writeOSPHeader(ostr);
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ostr << "};\n";
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if (_generateOSPCode)
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{
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ostr << "\n\n";
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writeFactoryHeader(ostr, page, clazz, "Poco::OSP::Web::WebRequestHandlerFactory");
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}
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else if (_generateApacheCode)
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{
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ostr << "\n\n";
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writeFactoryHeader(ostr, page, clazz, "Poco::Net::HTTPRequestHandlerFactory");
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}
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endNamespace(ostr, page);
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ostr << "\n\n";
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ostr << "#endif // " << guard << "\n";
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}
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void writeImpl(std::ostream& ostr, Page& page, const std::string& clazz, const std::string& headerFileName)
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{
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std::string fileHeader = config().getString("PageCompiler.fileHeader", "");
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if (!fileHeader.empty())
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{
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ostr << fileHeader << std::endl;
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ostr << "\n\n";
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}
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ostr << "#include \"" << headerFileName << "\"\n";
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ostr << "#include \"Poco/Net/HTTPServerRequest.h\"\n";
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ostr << "#include \"Poco/Net/HTTPServerResponse.h\"\n";
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ostr << "#include \"Poco/Net/HTMLForm.h\"\n";
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if (_generateOSPCode)
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{
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if (page.has("page.session"))
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{
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ostr << "#include \"Poco/OSP/Web/WebSession.h\"\n";
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ostr << "#include \"Poco/OSP/Web/WebSessionManager.h\"\n";
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ostr << "#include \"Poco/OSP/ServiceRegistry.h\"\n";
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}
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}
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else if (_generateApacheCode)
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{
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ostr << "#include \"Poco/ClassLibrary.h\"\n";
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}
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ostr << "\n\n";
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const std::string& decls = page.implDecls();
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if (!decls.empty())
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{
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ostr << decls;
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ostr << "\n\n";
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}
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beginNamespace(ostr, page);
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Path p(headerFileName);
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std::string base(page.get("page.baseClass", "Poco::Net::HTTPRequestHandler"));
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std::string ctorArg(page.get("page.ctorArg", ""));
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if (_generateOSPCode)
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{
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ostr << clazz << "::" << clazz << "(Poco::OSP::BundleContext::Ptr pContext):\n";
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ostr << "\t_pContext(pContext)\n";
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ostr << "{\n}\n";
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ostr << "\n\n";
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}
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else if (!ctorArg.empty())
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{
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ostr << clazz << "::" << clazz << "(" << ctorArg << " arg):\n";
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ostr << "\t" << base << "(arg)\n";
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ostr << "{\n}\n";
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ostr << "\n\n";
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}
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ostr << "void " << clazz << "::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::Net::HTTPServerResponse& response)\n";
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ostr << "{\n";
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if (_generateOSPCode && page.has("page.session"))
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{
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writeOSPSession(ostr, page);
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}
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if (page.get("page.form", "true") != "false")
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{
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std::string partHandler(page.get("page.formPartHandler", ""));
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if (!partHandler.empty())
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{
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ostr << "\t" << partHandler << " cpspPartHandler(*this);\n";
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}
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ostr << "\tPoco::Net::HTMLForm form(request, request.stream()";
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if (!partHandler.empty())
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{
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ostr << ", cpspPartHandler";
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}
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ostr << ");\n";
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}
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std::string contentType(page.get("page.contentType", "text/html"));
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std::string chunked(page.get("page.chunked", "true"));
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if (chunked != "false")
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{
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ostr << "\tresponse.setChunkedTransferEncoding(true);\n";
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}
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ostr << "\tresponse.setContentType(\"" << contentType << "\");\n";
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ostr << "\n";
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ostr << "\tstd::ostream& ostr = response.send();\n";
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ostr << page.handler();
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ostr << "}\n";
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if (_generateOSPCode)
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{
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ostr << "\n\n";
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writeFactoryImpl(ostr, page, clazz, "context()");
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}
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else if (_generateApacheCode)
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{
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ostr << "\n\n";
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writeFactoryImpl(ostr, page, clazz, "");
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}
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endNamespace(ostr, page);
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if (_generateApacheCode)
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writeManifest(ostr, page, clazz);
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}
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void beginNamespace(std::ostream& ostr, Page& page)
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{
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std::string ns = page.get("page.namespace", "");
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if (!ns.empty())
|
||||
{
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StringTokenizer tok(ns, ":", StringTokenizer::TOK_IGNORE_EMPTY | StringTokenizer::TOK_TRIM);
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for (StringTokenizer::Iterator it = tok.begin(); it != tok.end(); ++it)
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||||
{
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ostr << "namespace " << *it << " {\n";
|
||||
}
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ostr << "\n\n";
|
||||
}
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}
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||||
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void endNamespace(std::ostream& ostr, Page& page)
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||||
{
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||||
std::string ns = page.get("page.namespace", "");
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||||
if (!ns.empty())
|
||||
{
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ostr << "\n\n";
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StringTokenizer tok(ns, ":", StringTokenizer::TOK_IGNORE_EMPTY | StringTokenizer::TOK_TRIM);
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for (StringTokenizer::Iterator it = tok.begin(); it != tok.end(); ++it)
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{
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ostr << "} ";
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||||
}
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ostr << "// namespace " << ns << "\n";
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||||
}
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||||
}
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||||
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void writeOSPSession(std::ostream& ostr, Page& page)
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||||
{
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||||
ostr << "\tPoco::OSP::Web::WebSession::Ptr session;\n";
|
||||
ostr << "\t{\n";
|
||||
ostr << "\t\tPoco::OSP::ServiceRef::Ptr pWebSessionManagerRef = context()->registry().findByName(Poco::OSP::Web::WebSessionManager::SERVICE_NAME);\n";
|
||||
ostr << "\t\tif (pWebSessionManagerRef)\n";
|
||||
ostr << "\t\t{\n";
|
||||
ostr << "\t\t\tPoco::OSP::Web::WebSessionManager::Ptr pWebSessionManager = pWebSessionManagerRef->castedInstance<Poco::OSP::Web::WebSessionManager>();\n";
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ostr << "\t\t\tsession = pWebSessionManager->find(\"" << page.get("page.session") << "\", request);\n";
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||||
ostr << "\t\t\tif (session.isNull())\n";
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||||
ostr << "\t\t\t\tsession = pWebSessionManager->get(\"" << page.get("page.session") << "\", request, " << page.get("page.sessionTimeout", "30") << ", context());\n";
|
||||
ostr << "\t\t}\n";
|
||||
ostr << "\t}\n";
|
||||
}
|
||||
|
||||
void writeOSPHeader(std::ostream& ostr)
|
||||
{
|
||||
ostr << "\n";
|
||||
ostr << "protected:\n";
|
||||
ostr << "\tPoco::OSP::BundleContext::Ptr context() const\n";
|
||||
ostr << "\t{\n";
|
||||
ostr << "\t\treturn _pContext;\n";
|
||||
ostr << "\t}\n";
|
||||
ostr << "\n";
|
||||
ostr << "private:\n";
|
||||
ostr << "\tPoco::OSP::BundleContext::Ptr _pContext;\n";
|
||||
}
|
||||
|
||||
void writeFactoryHeader(std::ostream& ostr, Page& page, const std::string& clazz, const std::string& base)
|
||||
{
|
||||
ostr << "class " << clazz << "Factory: public " << base << "\n";
|
||||
ostr << "{\n";
|
||||
ostr << "public:\n";
|
||||
ostr << "\tPoco::Net::HTTPRequestHandler* createRequestHandler(const Poco::Net::HTTPServerRequest& request);\n";
|
||||
ostr << "};\n";
|
||||
}
|
||||
|
||||
void writeFactoryImpl(std::ostream& ostr, Page& page, const std::string& clazz, const std::string& arg)
|
||||
{
|
||||
ostr << "Poco::Net::HTTPRequestHandler* " << clazz << "Factory::createRequestHandler(const Poco::Net::HTTPServerRequest& request)\n";
|
||||
ostr << "{\n";
|
||||
ostr << "\treturn new " << clazz << "(" << arg << ");\n";
|
||||
ostr << "}\n";
|
||||
}
|
||||
|
||||
void writeManifest(std::ostream& ostr, Page& page, const std::string& clazz)
|
||||
{
|
||||
std::string ns = page.get("page.namespace", "");
|
||||
if (!ns.empty()) ns += "::";
|
||||
ostr << "\n\n";
|
||||
ostr << "POCO_BEGIN_MANIFEST(Poco::Net::HTTPRequestHandlerFactory)\n";
|
||||
ostr << "\tPOCO_EXPORT_CLASS(" << ns << clazz << "Factory)\n";
|
||||
ostr << "POCO_END_MANIFEST\n";
|
||||
}
|
||||
|
||||
private:
|
||||
bool _helpRequested;
|
||||
bool _generateOSPCode;
|
||||
bool _generateApacheCode;
|
||||
};
|
||||
|
||||
|
||||
POCO_APP_MAIN(CompilerApp)
|
||||
Reference in New Issue
Block a user