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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/3rdparty/adaptagrams/libcola/cola_log.h | |
parent | Initial commit. (diff) | |
download | inkscape-upstream/1.2.2.tar.xz inkscape-upstream/1.2.2.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/3rdparty/adaptagrams/libcola/cola_log.h')
-rw-r--r-- | src/3rdparty/adaptagrams/libcola/cola_log.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/src/3rdparty/adaptagrams/libcola/cola_log.h b/src/3rdparty/adaptagrams/libcola/cola_log.h new file mode 100644 index 0000000..5909c93 --- /dev/null +++ b/src/3rdparty/adaptagrams/libcola/cola_log.h @@ -0,0 +1,204 @@ +/* + * vim: ts=4 sw=4 et tw=0 wm=0 + * + * libcola - A library providing force-directed network layout using the + * stress-majorization method subject to separation constraints. + * + * Copyright (C) 2006-2008 Monash University + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * See the file LICENSE.LGPL distributed with the library. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * +*/ + +/* +Logging code from DJJ article: http://www.ddj.com/cpp/201804215. + +Title: Logging In C++ +Author: Petru Marginean +Keywords: OCT07 C++ +Description: Unpublished source code accompanying the article by Petru Marginean, in which he presents a C++ logging framework that is typesafe, thread-safe, and portable. + */ +#ifndef __COLA_LOG_H__ +#define __COLA_LOG_H__ + +#include <sstream> +#include <string> +#include <cstdio> +#include <iomanip> + +namespace cola { +inline std::string NowTime(); + +enum TLogLevel {logERROR, logWARNING, logINFO, logDEBUG, logDEBUG1, logDEBUG2, logDEBUG3, logDEBUG4}; + +template <typename T> +class Log +{ +public: + Log(); + virtual ~Log(); + std::ostringstream& Get(TLogLevel level = logINFO); +public: + static TLogLevel& ReportingLevel(); + static std::string ToString(TLogLevel level); + static TLogLevel FromString(const std::string& level); +protected: + std::ostringstream os; +private: + Log(const Log&); + Log& operator =(const Log&); +}; + +template <typename T> +Log<T>::Log() +{ +} + +template <typename T> +std::ostringstream& Log<T>::Get(TLogLevel level) +{ + os << "- " << NowTime(); + os << " " << ToString(level) << ": "; + os << std::string(level > logDEBUG ? level - logDEBUG : 0, '\t'); + return os; +} + +template <typename T> +Log<T>::~Log() +{ + os << std::endl; + T::Output(os.str()); +} + +template <typename T> +TLogLevel& Log<T>::ReportingLevel() +{ + static TLogLevel reportingLevel = cola::logDEBUG4; + return reportingLevel; +} + +template <typename T> +std::string Log<T>::ToString(TLogLevel level) +{ + static const char* const buffer[] = {"ERROR", "WARNING", "INFO", "DEBUG", "DEBUG1", "DEBUG2", "DEBUG3", "DEBUG4"}; + return buffer[level]; +} + +template <typename T> +TLogLevel Log<T>::FromString(const std::string& level) +{ + if (level == "DEBUG4") + return logDEBUG4; + if (level == "DEBUG3") + return logDEBUG3; + if (level == "DEBUG2") + return logDEBUG2; + if (level == "DEBUG1") + return logDEBUG1; + if (level == "DEBUG") + return logDEBUG; + if (level == "INFO") + return logINFO; + if (level == "WARNING") + return logWARNING; + if (level == "ERROR") + return logERROR; + Log<T>().Get(logWARNING) << "Unknown logging level '" << level << "'. Using INFO level as default."; + return logINFO; +} + +class Output2FILE +{ +public: + static FILE*& Stream(); + static void Output(const std::string& msg); +}; + +inline FILE*& Output2FILE::Stream() +{ + static FILE* pStream = stderr; + return pStream; +} + +inline void Output2FILE::Output(const std::string& msg) +{ + FILE* pStream = Stream(); + if (!pStream) + return; + fprintf(pStream, "%s", msg.c_str()); + fflush(pStream); +} + +#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) +# if defined (BUILDING_FILELOG_DLL) +# define FILELOG_DECLSPEC __declspec (dllexport) +# elif defined (USING_FILELOG_DLL) +# define FILELOG_DECLSPEC __declspec (dllimport) +# else +# define FILELOG_DECLSPEC +# endif // BUILDING_DBSIMPLE_DLL +#else +# define FILELOG_DECLSPEC +#endif // _WIN32 + +class FILELOG_DECLSPEC FILELog : public Log<Output2FILE> {}; +//typedef Log<Output2FILE> FILELog; + +#ifndef FILELOG_MAX_LEVEL +#define FILELOG_MAX_LEVEL cola::logDEBUG4 +#endif + +#define FILE_LOG(level) \ + if (level > FILELOG_MAX_LEVEL) ;\ + else if (level > cola::FILELog::ReportingLevel() || !cola::Output2FILE::Stream()) ; \ + else cola::FILELog().Get(level) + +#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) + +#include <windows.h> + +inline std::string NowTime() +{ + const int MAX_LEN = 200; + char buffer[MAX_LEN]; + if (GetTimeFormatA(LOCALE_USER_DEFAULT, 0, 0, + "HH':'mm':'ss", buffer, MAX_LEN) == 0) + return "Error in NowTime()"; + + static DWORD first = GetTickCount(); + std::stringstream result; + result << buffer << "." << std::setfill('0') << std::setw(3) << ((long)(GetTickCount() - first) % 1000); + return result.str(); +} + +#else + +#include <sys/time.h> + +inline std::string NowTime() +{ + char buffer[11]; + time_t t; + time(&t); + tm r; + strftime(buffer, sizeof(buffer), "%X", localtime_r(&t, &r)); + struct timeval tv; + gettimeofday(&tv, 0); + std::stringstream result; + result << buffer << "." << std::setfill('0') << std::setw(3) << ((long)tv.tv_usec / 1000); + return result.str(); +} + +#endif //WIN32 + +} // namespace cola + +#endif //__COLA_LOG_H__ |