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vcmi/lib/CConsoleHandler.h
Andrey Filipenkov ff635edc0b wrap all library code into namespace if VCMI_LIB_NAMESPACE is defined
preparation for having client and server in a single process
2022-09-24 15:55:21 +03:00

99 lines
2.6 KiB
C++

/*
* CConsoleHandler.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
VCMI_LIB_NAMESPACE_BEGIN
namespace EConsoleTextColor
{
/** The color enum is used for colored text console output. */
enum EConsoleTextColor
{
DEFAULT = -1,
GREEN,
RED,
MAGENTA,
YELLOW,
WHITE,
GRAY,
TEAL = -2
};
}
/// Class which wraps the native console. It can print text based on
/// the chosen color
class DLL_LINKAGE CConsoleHandler
{
public:
CConsoleHandler();
~CConsoleHandler();
void start(); //starts listening thread
template<typename T> void print(const T &data, bool addNewLine = false, EConsoleTextColor::EConsoleTextColor color = EConsoleTextColor::DEFAULT, bool printToStdErr = false)
{
TLockGuard _(smx);
#ifndef VCMI_WINDOWS
// with love from ffmpeg - library is trying to print some warnings from separate thread
// this results in broken console on Linux. Lock stdout to print all our data at once
flockfile(stdout);
#endif
if(color != EConsoleTextColor::DEFAULT) setColor(color);
if(printToStdErr)
{
std::cerr << data;
if(addNewLine)
{
std::cerr << std::endl;
}
else
{
std::cerr << std::flush;
}
}
else
{
std::cout << data;
if(addNewLine)
{
std::cout << std::endl;
}
else
{
std::cout << std::flush;
}
}
if(color != EConsoleTextColor::DEFAULT) setColor(EConsoleTextColor::DEFAULT);
#ifndef VCMI_WINDOWS
funlockfile(stdout);
#endif
}
std::function<void(const std::string &)> *cb; //function to be called when message is received
private:
int run();
void end(); //kills listening thread
void setColor(EConsoleTextColor::EConsoleTextColor color); //sets color of text appropriate for given logging level
/// FIXME: Implement CConsoleHandler as singleton, move some logic into CLogConsoleTarget, etc... needs to be disussed:)
/// Without static, application will crash complaining about mutex deleted. In short: CConsoleHandler gets deleted before
/// the logging system.
static boost::mutex smx;
boost::thread * thread;
};
extern DLL_LINKAGE CConsoleHandler * console;
VCMI_LIB_NAMESPACE_END