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openmw-tes3mp/components/misc/debugging.hpp

109 lines
2.9 KiB
C++

#ifndef MISC_DEBUGGING_H
#define MISC_DEBUGGING_H
#include <boost/filesystem/fstream.hpp>
#include <boost/iostreams/stream.hpp>
#include <SDL_messagebox.h>
namespace Misc
{
#if defined(_WIN32) && defined(_DEBUG)
class DebugOutput : public boost::iostreams::sink
{
public:
std::streamsize write(const char *str, std::streamsize size)
{
// Make a copy for null termination
std::string tmp (str, static_cast<unsigned int>(size));
// Write string to Visual Studio Debug output
OutputDebugString (tmp.c_str ());
return size;
}
};
#else
class Tee : public boost::iostreams::sink
{
public:
Tee(std::ostream &stream, std::ostream &stream2)
: out(stream), out2(stream2)
{
}
std::streamsize write(const char *str, std::streamsize size)
{
out.write (str, size);
out.flush();
out2.write (str, size);
out2.flush();
return size;
}
private:
std::ostream &out;
std::ostream &out2;
};
#endif
}
int wrapApplication(int (*innerApplication)(int argc, char *argv[]), int argc, char *argv[], const std::string& logName)
{
// Some objects used to redirect cout and cerr
// Scope must be here, so this still works inside the catch block for logging exceptions
std::streambuf* cout_rdbuf = std::cout.rdbuf ();
std::streambuf* cerr_rdbuf = std::cerr.rdbuf ();
#if !(defined(_WIN32) && defined(_DEBUG))
boost::iostreams::stream_buffer<Misc::Tee> coutsb;
boost::iostreams::stream_buffer<Misc::Tee> cerrsb;
#endif
std::ostream oldcout(cout_rdbuf);
std::ostream oldcerr(cerr_rdbuf);
boost::filesystem::ofstream logfile;
int ret = 0;
try
{
Files::ConfigurationManager cfgMgr;
#if defined(_WIN32) && defined(_DEBUG)
// Redirect cout and cerr to VS debug output when running in debug mode
boost::iostreams::stream_buffer<Misc::DebugOutput> sb;
sb.open(Misc::DebugOutput());
std::cout.rdbuf (&sb);
std::cerr.rdbuf (&sb);
#else
// Redirect cout and cerr to the log file
logfile.open (boost::filesystem::path(cfgMgr.getLogPath() / logName));
coutsb.open (Misc::Tee(logfile, oldcout));
cerrsb.open (Misc::Tee(logfile, oldcerr));
std::cout.rdbuf (&coutsb);
std::cerr.rdbuf (&cerrsb);
#endif
ret = innerApplication(argc, argv);
}
catch (std::exception& e)
{
#if (defined(__APPLE__) || defined(__linux) || defined(__unix) || defined(__posix))
if (!isatty(fileno(stdin)))
#endif
SDL_ShowSimpleMessageBox(0, "OpenMW: Fatal error", e.what(), NULL);
std::cerr << "\nERROR: " << e.what() << std::endl;
ret = 1;
}
// Restore cout and cerr
std::cout.rdbuf(cout_rdbuf);
std::cerr.rdbuf(cerr_rdbuf);
return ret;
}
#endif