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