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https://github.com/pocoproject/poco.git
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PageCompiler refactoring
This commit is contained in:
Guenter Obiltschnig
@@ -1,11 +1,11 @@
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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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// $Id: //poco/Main/PageCompiler/src/PageCompiler.cpp#2 $
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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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// Copyright (c) 2008, 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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@@ -46,9 +46,14 @@
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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 "PageReader.h"
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#include "CodeWriter.h"
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#include "ApacheCodeWriter.h"
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#include "OSPCodeWriter.h"
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#include <cctype>
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#include <sstream>
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#include <iostream>
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#include <memory>
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using Poco::Util::Application;
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@@ -187,10 +192,11 @@ protected:
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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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Page page;
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FileInputStream srcStream(path);
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page.parse(srcStream);
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PageReader pageReader(page, path);
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pageReader.parse(srcStream);
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Path p(path);
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config().setString("inputFileName", p.getFileName());
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@@ -211,6 +217,8 @@ protected:
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clazz[0] = std::toupper(clazz[0]);
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}
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std::auto_ptr<CodeWriter> pCodeWriter(createCodeWriter(page, clazz));
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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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@@ -218,7 +226,8 @@ protected:
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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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writeFileHeader(headerLEC);
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pCodeWriter->writeHeader(headerLEC, p.getFileName());
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p.setExtension("cpp");
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std::string implPath = p.toString();
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@@ -226,10 +235,11 @@ protected:
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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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writeFileHeader(implLEC);
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pCodeWriter->writeImpl(implLEC, 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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void writeFileHeader(std::ostream& ostr)
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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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@@ -237,272 +247,16 @@ protected:
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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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}
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CodeWriter* createCodeWriter(const Page& page, const std::string& clazz)
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{
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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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return new OSPCodeWriter(page, clazz);
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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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return new ApacheCodeWriter(page, clazz);
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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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{
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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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}
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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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{
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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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void writeOSPSession(std::ostream& ostr, Page& page)
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{
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ostr << "\tPoco::OSP::Web::WebSession::Ptr session;\n";
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ostr << "\t{\n";
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ostr << "\t\tPoco::OSP::ServiceRef::Ptr pWebSessionManagerRef = context()->registry().findByName(Poco::OSP::Web::WebSessionManager::SERVICE_NAME);\n";
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ostr << "\t\tif (pWebSessionManagerRef)\n";
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ostr << "\t\t{\n";
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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";
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ostr << "\t\t}\n";
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ostr << "\t}\n";
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}
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void writeOSPHeader(std::ostream& ostr)
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{
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ostr << "\n";
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ostr << "protected:\n";
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ostr << "\tPoco::OSP::BundleContext::Ptr context() const\n";
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ostr << "\t{\n";
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ostr << "\t\treturn _pContext;\n";
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ostr << "\t}\n";
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ostr << "\n";
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ostr << "private:\n";
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ostr << "\tPoco::OSP::BundleContext::Ptr _pContext;\n";
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}
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void writeFactoryHeader(std::ostream& ostr, Page& page, const std::string& clazz, const std::string& base)
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{
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ostr << "class " << clazz << "Factory: public " << base << "\n";
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ostr << "{\n";
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ostr << "public:\n";
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ostr << "\tPoco::Net::HTTPRequestHandler* createRequestHandler(const Poco::Net::HTTPServerRequest& request);\n";
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ostr << "};\n";
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}
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void writeFactoryImpl(std::ostream& ostr, Page& page, const std::string& clazz, const std::string& arg)
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{
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ostr << "Poco::Net::HTTPRequestHandler* " << clazz << "Factory::createRequestHandler(const Poco::Net::HTTPServerRequest& request)\n";
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ostr << "{\n";
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ostr << "\treturn new " << clazz << "(" << arg << ");\n";
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ostr << "}\n";
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}
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void writeManifest(std::ostream& ostr, Page& page, const std::string& clazz)
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{
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std::string ns = page.get("page.namespace", "");
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if (!ns.empty()) ns += "::";
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ostr << "\n\n";
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ostr << "POCO_BEGIN_MANIFEST(Poco::Net::HTTPRequestHandlerFactory)\n";
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ostr << "\tPOCO_EXPORT_CLASS(" << ns << clazz << "Factory)\n";
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ostr << "POCO_END_MANIFEST\n";
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return new CodeWriter(page, clazz);
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}
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private:
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