{

CompilerApp():

_helpRequested(false),

_generateOSPCode(false),

_generateApacheCode(false),

_emitLineDirectives(true)

{

}

protected:

void initialize(Application& self)

{

loadConfiguration(); // load default configuration files, if present

Application::initialize(self);

}

void defineOptions(OptionSet& options)

{

Application::defineOptions(options);

options.addOption(

Option("help", "h", "Display help information on command line arguments.")

.required(false)

.repeatable(false)

.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleHelp)));

options.addOption(

Option("define", "D",

"Define a configuration property. A configuration property "

"defined with this option can be referenced in the input "

"page file, using the following syntax: ${<name>}.")

.required(false)

.repeatable(true)

.argument("<name>=<value>")

.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleDefine)));

options.addOption(

Option("config-file", "f", "Load configuration data from the given file.")

.required(false)

.repeatable(true)

.argument("<file>")

.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleConfig)));

options.addOption(

Option("output-dir", "o", "Write output files to directory <dir>.")

.required(false)

.repeatable(false)

.argument("<dir>")

.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleOutputDir)));

options.addOption(

Option("header-output-dir", "H", "Write header file to directory <dir>.")

.required(false)

.repeatable(false)

.argument("<dir>")

.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleHeaderOutputDir)));

options.addOption(

Option("header-prefix", "P", "Prepend the given <prefix> to the header file name in the generated #include directive.")

.required(false)

.repeatable(false)

.argument("<prefix>")

.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleHeaderPrefix)));

options.addOption(

Option("base-file-name", "b", "Use <name> instead of the class name for the output file name.")

.required(false)

.repeatable(false)

.argument("<name>")

.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleBase)));

options.addOption(

Option("osp", "O", "Add factory class definition and implementation for use with the Open Service Platform.")

.required(false)

.repeatable(false)

.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleOSP)));

options.addOption(

Option("apache", "A", "Add factory class definition and implementation, and shared library manifest for use with ApacheConnector.")

.required(false)

.repeatable(false)

.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleApache)));

options.addOption(

Option("noline", "N", "Do not include #line directives in generated code.")

.required(false)

.repeatable(false)

.callback(OptionCallback<CompilerApp>(this, &CompilerApp::handleNoLine)));

}

void handleHelp(const std::string& /*name*/, const std::string& /*value*/)

{

_helpRequested = true;

stopOptionsProcessing();

}

void handleDefine(const std::string& /*name*/, const std::string& value)

{

defineProperty(value);

}

void handleConfig(const std::string& /*name*/, const std::string& value)

{

loadConfiguration(value);

}

void handleOutputDir(const std::string& /*name*/, const std::string& value)

{

_outputDir = value;

}

void handleHeaderOutputDir(const std::string& /*name*/, const std::string& value)

{

_headerOutputDir = value;

}

void handleHeaderPrefix(const std::string& /*name*/, const std::string& value)

{

_headerPrefix = value;

if (!_headerPrefix.empty() && _headerPrefix[_headerPrefix.size() - 1] != '/')

_headerPrefix += '/';

}

void handleBase(const std::string& /*name*/, const std::string& value)

{

_base = value;

}

void handleOSP(const std::string& /*name*/, const std::string& /*value*/)

{

_generateOSPCode = true;

}

void handleApache(const std::string& /*name*/, const std::string& /*value*/)

{

_generateApacheCode = true;

}

void handleNoLine(const std::string& /*name*/, const std::string& /*value*/)

{

_emitLineDirectives = false;

}

void displayHelp()

{

HelpFormatter helpFormatter(options());

helpFormatter.setCommand(commandName());

helpFormatter.setUsage("[<option> ...] <file> ...");

helpFormatter.setHeader(

"\n"

"The POCO C++ Server Page Compiler.\n"

"Copyright (c) 2008-2018 by Applied Informatics Software Engineering GmbH.\n"

"All rights reserved.\n\n"

"This program compiles web pages containing embedded C++ code "

"into a C++ class that can be used with the HTTP server "

"from the POCO Net library. \n\n"

"The following command line options are supported:"

);

helpFormatter.setFooter(

"For more information, please see the POCO C++ Libraries "

"documentation at <http://pocoproject.org/docs/>."

);

helpFormatter.setIndent(8);

helpFormatter.format(std::cout);

}

void defineProperty(const std::string& def)

{

std::string name;

std::string value;

std::string::size_type pos = def.find('=');

if (pos != std::string::npos)

{

name.assign(def, 0, pos);

value.assign(def, pos + 1, def.length() - pos);

}

else name = def;

config().setString(name, value);

}

int main(const std::vector<std::string>& args)

{

if (_helpRequested || args.empty())

{

displayHelp();

return Application::EXIT_OK;

}

for (std::vector<std::string>::const_iterator it = args.begin(); it != args.end(); ++it)

{

compile(*it);

}

return Application::EXIT_OK;

}

void parse(const std::string& path, Page& page, std::string& clazz)

{

FileInputStream srcStream(path);

PageReader pageReader(page, path);

pageReader.emitLineDirectives(_emitLineDirectives);

pageReader.parse(srcStream);

Path p(path);

if (page.has("page.class"))

{

clazz = page.get("page.class");

}

else

{

clazz = p.getBaseName() + "Handler";

clazz[0] = static_cast<char>(Poco::Ascii::toUpper(clazz[0]));

}

}

void write(const std::string& path, const Page& page, const std::string& clazz)

{

Path p(path);

config().setString("inputFileName", p.getFileName());

config().setString("inputFilePath", p.toString());

DateTime now;

config().setString("dateTime", DateTimeFormatter::format(now, DateTimeFormat::SORTABLE_FORMAT));

if (page.has("page.class"))

{

p.setBaseName(clazz);

}

std::unique_ptr<CodeWriter> pCodeWriter(createCodeWriter(page, clazz));

if (!_outputDir.empty())

{

p = Path(_outputDir, p.getBaseName());

}

if (!_base.empty())

{

p.setBaseName(_base);

}

p.setExtension("cpp");

std::string implPath = p.toString();

std::string implFileName = p.getFileName();

if (!_headerOutputDir.empty())

{

p = Path(_headerOutputDir, p.getBaseName());

}

p.setExtension("h");

std::string headerPath = p.toString();

std::string headerFileName = p.getFileName();

config().setString("outputFileName", implFileName);

config().setString("outputFilePath", implPath);

FileOutputStream implStream(implPath);

OutputLineEndingConverter implLEC(implStream);

writeFileHeader(implLEC);

pCodeWriter->writeImpl(implLEC, _headerPrefix + headerFileName);

config().setString("outputFileName", headerFileName);

config().setString("outputFilePath", headerPath);

FileOutputStream headerStream(headerPath);

OutputLineEndingConverter headerLEC(headerStream);

writeFileHeader(headerLEC);

pCodeWriter->writeHeader(headerLEC, headerFileName);

}

void compile(const std::string& path)

{

Page page;

std::string clazz;

parse(path, page, clazz);

write(path, page, clazz);

FileInputStream srcStream(path);

PageReader pageReader(page, path);

pageReader.emitLineDirectives(_emitLineDirectives);

pageReader.parse(srcStream);

}

void writeFileHeader(std::ostream& ostr)

{

std::string fileHeader = config().getString("PageCompiler.fileHeader", "");

if (!fileHeader.empty())

{

ostr << fileHeader << std::endl;

ostr << "\n\n";

}

}

CodeWriter* createCodeWriter(const Page& page, const std::string& clazz)

{

if (_generateOSPCode)

return new OSPCodeWriter(page, clazz);

else if (_generateApacheCode)

return new ApacheCodeWriter(page, clazz);

else

return new CodeWriter(page, clazz);

}

bool _helpRequested;

bool _generateOSPCode;

bool _generateApacheCode;

bool _emitLineDirectives;

std::string _outputDir;

std::string _headerOutputDir;

std::string _headerPrefix;

std::string _base;