int main(void)
{
// To enable the writing into a log file, we have to set the handlers to use
// We want to write to the stdcout _and_ a log file
typedef Yuni::Logs::StdCout< Yuni::Logs::File<> > MyLogHandlers;
// Our logger
Yuni::Logs::Logger<MyLogHandlers> logs;
// Creating the log file (in the current directory, read-write access required)
logs.logfile("./sample.log");
if (not logs.logfileIsOpened())
{
// An error has occured. That means the log file could not be opened for
// writing for some reason
// In this sample, we will continue anyway
logs.error() << "Impossible to open the log file !";
return EXIT_FAILURE;
}
logs.info() << "Log file : " << logs.logfile();
// Hello, world !, all standard verbosity levels
logs.checkpoint() << "Hello, " << "world !";
logs.notice() << "Hello, " << "world !";
logs.warning() << "Hello, " << "world !";
logs.error() << "Hello, " << "world !";
logs.debug() << "Hello, " << "world !";
logs.fatal() << "Hello, " << "world !";
return 0;
}
int main(int argc, char** argv)
{
// All settings
Settings settings;
// arguments parsing
ParseCommandLine(argc, argv, settings);
Parser::PEG::Grammar grammar;
grammar.onWarning.connect(& ParseWarning);
grammar.onError.connect(& ParseError);
String output;
for (uint i = 0; i != (uint) settings.filenames.size(); ++i)
{
const String& url = settings.filenames[i];
if (not IO::File::Exists(url))
{
logs.error() << "error: \"" << url << "\" file not found";
hasError = true;
continue;
}
if (grammar.loadFromFile(url))
{
//std::cout << grammar << std::endl;
output = url;
IO::ReplaceExtension(output, ".");
switch (settings.format)
{
case Settings::sfCPP:
{
logs.info() << "generating c++ parser from " << url;
grammar.exportToCPP(output, settings.namespaceName);
break;
}
}
}
else
{
logs.error() << "impossible to load the grammar " << url;
hasError = true;
}
}
return (not hasError) ? 0 : EXIT_FAILURE;
}
static inline void ParseCommandLine(int argc, char** argv, Settings& settings)
{
GetOpt::Parser options;
String::Vector optFilenames;
ShortString16 format;
options.add(optFilenames, 'i', "input", "The input grammar");
options.add(settings.namespaceName, 'n', "namespace", "The target namespace (mandatory)");
options.add(format, 'f', "format", "Output format [cpp]");
options.remainingArguments(optFilenames);
if (not options(argc, argv))
{
if (options.errors())
{
std::cout << "Abort due to error" << std::endl;
exit(EXIT_FAILURE);
}
exit(0);
}
if (optFilenames.empty())
{
logs.error() << "please provide a grammar file";
exit(EXIT_FAILURE);
}
settings.namespaceName.trim(" \t\r\n.:");
if (settings.namespaceName.empty())
{
logs.error() << "no namespace provided";
exit(EXIT_FAILURE);
}
format.trim();
format.toLower();
if (format == "cpp")
{
settings.format = Settings::sfCPP;
}
else
{
logs.error() << "invalid output format";
exit(EXIT_FAILURE);
}
settings.filenames.resize((uint) optFilenames.size());
for (uint i = 0; i != (uint) optFilenames.size(); ++i)
IO::Canonicalize(settings.filenames[i], optFilenames[i]);
}
int main(void)
{
// A simple logger, which only display on std::cout/cerr
// Please note that std::cerr can not be used on Windows (the messages would not be displayed)
Yuni::Logs::Logger<> logs;
// Hello, world !, all standard verbosity levels
logs.checkpoint() << "Hello, " << "world !";
logs.notice() << "Hello, " << "world !";
logs.warning() << "Hello, " << "world !";
logs.error() << "Hello, " << "world !";
logs.debug() << "Hello, " << "world !";
logs.fatal() << "Hello, " << "world !";
return 0;
}
static void ParseError(const AnyString& message)
{
logs.error() << message;
hasError = true;
}