616 lines
16 KiB
C++
616 lines
16 KiB
C++
#pragma once
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#include <cassert>
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#include <cstring>
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#include <cstdio>
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#include <cstdlib>
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#include <sstream>
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#include <fcntl.h>
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#include <sys/stat.h>
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#ifndef PLOG_ENABLE_WCHAR_INPUT
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# ifdef _WIN32
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# define PLOG_ENABLE_WCHAR_INPUT 1
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# else
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# define PLOG_ENABLE_WCHAR_INPUT 0
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# endif
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#endif
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//////////////////////////////////////////////////////////////////////////
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// PLOG_CHAR_IS_UTF8 specifies character encoding of `char` type. On *nix
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// systems it's set to UTF-8 while on Windows in can be ANSI or UTF-8. It
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// automatically detects `/utf-8` command line option in MSVC. Also it can
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// be set manually if required.
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// This option allows to support http://utf8everywhere.org approach.
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#ifndef PLOG_CHAR_IS_UTF8
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# if defined(_WIN32) && !defined(_UTF8)
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# define PLOG_CHAR_IS_UTF8 0
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# else
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# define PLOG_CHAR_IS_UTF8 1
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# endif
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#endif
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#ifdef _WIN32
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# if defined(PLOG_EXPORT)
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# define PLOG_LINKAGE __declspec(dllexport)
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# elif defined(PLOG_IMPORT)
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# define PLOG_LINKAGE __declspec(dllimport)
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# endif
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# if defined(PLOG_GLOBAL)
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# error "PLOG_GLOBAL isn't supported on Windows"
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# endif
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#else
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# if defined(PLOG_GLOBAL)
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# define PLOG_LINKAGE __attribute__ ((visibility ("default")))
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# elif defined(PLOG_LOCAL)
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# define PLOG_LINKAGE __attribute__ ((visibility ("hidden")))
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# define PLOG_LINKAGE_HIDDEN PLOG_LINKAGE
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# endif
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# if defined(PLOG_EXPORT) || defined(PLOG_IMPORT)
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# error "PLOG_EXPORT/PLOG_IMPORT is supported only on Windows"
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# endif
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#endif
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#ifndef PLOG_LINKAGE
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# define PLOG_LINKAGE
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#endif
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#ifndef PLOG_LINKAGE_HIDDEN
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# define PLOG_LINKAGE_HIDDEN
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#endif
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#ifdef _WIN32
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# include <plog/WinApi.h>
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# include <time.h>
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# include <sys/timeb.h>
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# include <io.h>
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# include <share.h>
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#else
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# include <unistd.h>
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# include <sys/time.h>
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# if defined(__linux__) || defined(__FreeBSD__)
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# include <sys/syscall.h>
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# elif defined(__rtems__)
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# include <rtems.h>
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# endif
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# if defined(_POSIX_THREADS)
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# include <pthread.h>
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# endif
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# if PLOG_ENABLE_WCHAR_INPUT
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# include <iconv.h>
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# endif
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#endif
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#if PLOG_CHAR_IS_UTF8
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# define PLOG_NSTR(x) x
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#else
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# define _PLOG_NSTR(x) L##x
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# define PLOG_NSTR(x) _PLOG_NSTR(x)
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#endif
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#ifdef _WIN32
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# define PLOG_CDECL __cdecl
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#else
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# define PLOG_CDECL
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#endif
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#if __cplusplus >= 201103L || defined(_MSC_VER) && _MSC_VER >= 1700
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# define PLOG_OVERRIDE override
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#else
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# define PLOG_OVERRIDE
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#endif
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namespace plog
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{
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namespace util
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{
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#if PLOG_CHAR_IS_UTF8
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typedef std::string nstring;
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typedef std::ostringstream nostringstream;
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typedef std::istringstream nistringstream;
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typedef std::ostream nostream;
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typedef char nchar;
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#else
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typedef std::wstring nstring;
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typedef std::wostringstream nostringstream;
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typedef std::wistringstream nistringstream;
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typedef std::wostream nostream;
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typedef wchar_t nchar;
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#endif
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inline void localtime_s(struct tm* t, const time_t* time)
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{
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#if defined(_WIN32) && defined(__BORLANDC__)
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::localtime_s(time, t);
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#elif defined(_WIN32) && defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
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*t = *::localtime(time);
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#elif defined(_WIN32)
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::localtime_s(t, time);
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#else
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::localtime_r(time, t);
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#endif
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}
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inline void gmtime_s(struct tm* t, const time_t* time)
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{
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#if defined(_WIN32) && defined(__BORLANDC__)
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::gmtime_s(time, t);
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#elif defined(_WIN32) && defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
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*t = *::gmtime(time);
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#elif defined(_WIN32)
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::gmtime_s(t, time);
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#else
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::gmtime_r(time, t);
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#endif
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}
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#ifdef _WIN32
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typedef timeb Time;
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inline void ftime(Time* t)
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{
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::ftime(t);
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}
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#else
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struct Time
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{
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time_t time;
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unsigned short millitm;
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};
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inline void ftime(Time* t)
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{
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timeval tv;
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::gettimeofday(&tv, NULL);
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t->time = tv.tv_sec;
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t->millitm = static_cast<unsigned short>(tv.tv_usec / 1000);
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}
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#endif
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inline unsigned int gettid()
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{
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#ifdef _WIN32
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return GetCurrentThreadId();
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#elif defined(__linux__)
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return static_cast<unsigned int>(::syscall(__NR_gettid));
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#elif defined(__FreeBSD__)
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long tid;
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syscall(SYS_thr_self, &tid);
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return static_cast<unsigned int>(tid);
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#elif defined(__rtems__)
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return rtems_task_self();
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#elif defined(__APPLE__)
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uint64_t tid64;
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pthread_threadid_np(NULL, &tid64);
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return static_cast<unsigned int>(tid64);
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#else
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return 0;
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#endif
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}
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#ifndef _GNU_SOURCE
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inline int vasprintf(char** strp, const char* format, va_list ap)
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{
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va_list ap_copy;
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#if defined(_MSC_VER) && _MSC_VER <= 1600
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ap_copy = ap; // there is no va_copy on Visual Studio 2010
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#else
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va_copy(ap_copy, ap);
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#endif
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#ifndef __STDC_SECURE_LIB__
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int charCount = vsnprintf(NULL, 0, format, ap_copy);
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#else
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int charCount = _vscprintf(format, ap_copy);
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#endif
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va_end(ap_copy);
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if (charCount < 0)
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{
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return -1;
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}
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size_t bufferCharCount = static_cast<size_t>(charCount) + 1;
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char* str = static_cast<char*>(malloc(bufferCharCount));
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if (!str)
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{
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return -1;
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}
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#ifndef __STDC_SECURE_LIB__
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int retval = vsnprintf(str, bufferCharCount, format, ap);
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#else
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int retval = vsnprintf_s(str, bufferCharCount, static_cast<size_t>(-1), format, ap);
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#endif
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if (retval < 0)
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{
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free(str);
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return -1;
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}
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*strp = str;
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return retval;
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}
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#endif
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#ifdef _WIN32
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inline int vaswprintf(wchar_t** strp, const wchar_t* format, va_list ap)
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{
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#if defined(__BORLANDC__)
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int charCount = 0x1000; // there is no _vscwprintf on Borland/Embarcadero
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#else
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int charCount = _vscwprintf(format, ap);
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if (charCount < 0)
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{
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return -1;
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}
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#endif
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size_t bufferCharCount = static_cast<size_t>(charCount) + 1;
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wchar_t* str = static_cast<wchar_t*>(malloc(bufferCharCount * sizeof(wchar_t)));
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if (!str)
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{
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return -1;
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}
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#if defined(__BORLANDC__)
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int retval = vsnwprintf_s(str, bufferCharCount, format, ap);
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#elif defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
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int retval = _vsnwprintf(str, bufferCharCount, format, ap);
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#else
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int retval = _vsnwprintf_s(str, bufferCharCount, charCount, format, ap);
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#endif
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if (retval < 0)
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{
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free(str);
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return -1;
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}
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*strp = str;
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return retval;
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}
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#endif
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#ifdef _WIN32
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inline std::wstring toWide(const char* str, UINT cp = codePage::kChar)
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{
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size_t len = ::strlen(str);
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std::wstring wstr(len, 0);
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if (!wstr.empty())
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{
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int wlen = MultiByteToWideChar(cp, 0, str, static_cast<int>(len), &wstr[0], static_cast<int>(wstr.size()));
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wstr.resize(wlen);
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}
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return wstr;
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}
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inline std::wstring toWide(const std::string& str, UINT cp = codePage::kChar)
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{
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return toWide(str.c_str(), cp);
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}
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inline const std::wstring& toWide(const std::wstring& str) // do nothing for already wide string
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{
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return str;
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}
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inline std::string toNarrow(const std::wstring& wstr, long page)
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{
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int len = WideCharToMultiByte(page, 0, wstr.c_str(), static_cast<int>(wstr.size()), 0, 0, 0, 0);
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std::string str(len, 0);
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if (!str.empty())
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{
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WideCharToMultiByte(page, 0, wstr.c_str(), static_cast<int>(wstr.size()), &str[0], len, 0, 0);
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}
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return str;
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}
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#elif PLOG_ENABLE_WCHAR_INPUT
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inline std::string toNarrow(const wchar_t* wstr)
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{
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size_t wlen = ::wcslen(wstr);
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std::string str(wlen * sizeof(wchar_t), 0);
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if (!str.empty())
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{
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const char* in = reinterpret_cast<const char*>(&wstr[0]);
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char* out = &str[0];
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size_t inBytes = wlen * sizeof(wchar_t);
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size_t outBytes = str.size();
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iconv_t cd = ::iconv_open("UTF-8", "WCHAR_T");
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::iconv(cd, const_cast<char**>(&in), &inBytes, &out, &outBytes);
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::iconv_close(cd);
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str.resize(str.size() - outBytes);
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}
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return str;
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}
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#endif
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inline std::string processFuncName(const char* func)
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{
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#if (defined(_WIN32) && !defined(__MINGW32__)) || defined(__OBJC__)
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return std::string(func);
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#else
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const char* funcBegin = func;
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const char* funcEnd = ::strchr(funcBegin, '(');
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int foundTemplate = 0;
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if (!funcEnd)
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{
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return std::string(func);
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}
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for (const char* i = funcEnd - 1; i >= funcBegin; --i) // search backwards for the first space char
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{
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if (*i == '>')
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{
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foundTemplate++;
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}
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else if (*i == '<')
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{
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foundTemplate--;
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}
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else if (*i == ' ' && foundTemplate == 0)
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{
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funcBegin = i + 1;
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break;
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}
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}
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return std::string(funcBegin, funcEnd);
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#endif
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}
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inline const nchar* findExtensionDot(const nchar* fileName)
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{
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#if PLOG_CHAR_IS_UTF8
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return std::strrchr(fileName, '.');
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#else
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return std::wcsrchr(fileName, L'.');
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#endif
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}
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inline void splitFileName(const nchar* fileName, nstring& fileNameNoExt, nstring& fileExt)
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{
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const nchar* dot = findExtensionDot(fileName);
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if (dot)
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{
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fileNameNoExt.assign(fileName, dot);
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fileExt.assign(dot + 1);
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}
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else
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{
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fileNameNoExt.assign(fileName);
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fileExt.clear();
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}
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}
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class PLOG_LINKAGE NonCopyable
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{
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protected:
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NonCopyable()
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{
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}
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private:
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NonCopyable(const NonCopyable&);
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NonCopyable& operator=(const NonCopyable&);
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};
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class PLOG_LINKAGE_HIDDEN File : NonCopyable
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{
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public:
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File() : m_file(-1)
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{
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}
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~File()
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{
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close();
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}
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size_t open(const nstring& fileName)
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{
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#if defined(_WIN32) && (defined(__BORLANDC__) || defined(__MINGW32__))
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m_file = ::_wsopen(toWide(fileName).c_str(), _O_CREAT | _O_WRONLY | _O_BINARY | _O_NOINHERIT, SH_DENYWR, _S_IREAD | _S_IWRITE);
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#elif defined(_WIN32)
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::_wsopen_s(&m_file, toWide(fileName).c_str(), _O_CREAT | _O_WRONLY | _O_BINARY | _O_NOINHERIT, _SH_DENYWR, _S_IREAD | _S_IWRITE);
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#elif defined(O_CLOEXEC)
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m_file = ::open(fileName.c_str(), O_CREAT | O_APPEND | O_WRONLY | O_CLOEXEC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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#else
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m_file = ::open(fileName.c_str(), O_CREAT | O_APPEND | O_WRONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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#endif
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return seek(0, SEEK_END);
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}
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size_t write(const void* buf, size_t count)
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{
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return m_file != -1 ? static_cast<size_t>(
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#ifdef _WIN32
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::_write(m_file, buf, static_cast<unsigned int>(count))
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#else
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::write(m_file, buf, count)
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#endif
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) : static_cast<size_t>(-1);
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}
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template<class CharType>
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size_t write(const std::basic_string<CharType>& str)
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{
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return write(str.data(), str.size() * sizeof(CharType));
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}
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size_t seek(size_t offset, int whence)
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{
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return m_file != -1 ? static_cast<size_t>(
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#if defined(_WIN32) && (defined(__BORLANDC__) || defined(__MINGW32__))
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::_lseek(m_file, static_cast<off_t>(offset), whence)
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#elif defined(_WIN32)
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::_lseeki64(m_file, static_cast<off_t>(offset), whence)
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#else
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::lseek(m_file, static_cast<off_t>(offset), whence)
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#endif
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) : static_cast<size_t>(-1);
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}
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void close()
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{
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if (m_file != -1)
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{
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#ifdef _WIN32
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::_close(m_file);
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#else
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::close(m_file);
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#endif
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m_file = -1;
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}
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}
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static int unlink(const nstring& fileName)
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{
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#ifdef _WIN32
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return ::_wunlink(toWide(fileName).c_str());
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#else
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return ::unlink(fileName.c_str());
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#endif
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}
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static int rename(const nstring& oldFilename, const nstring& newFilename)
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{
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#ifdef _WIN32
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return MoveFileW(toWide(oldFilename).c_str(), toWide(newFilename).c_str());
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#else
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return ::rename(oldFilename.c_str(), newFilename.c_str());
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#endif
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}
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private:
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int m_file;
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};
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class PLOG_LINKAGE_HIDDEN Mutex : NonCopyable
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{
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public:
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Mutex()
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{
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#ifdef _WIN32
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InitializeCriticalSection(&m_sync);
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#elif defined(__rtems__)
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rtems_semaphore_create(0, 1,
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RTEMS_PRIORITY |
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RTEMS_BINARY_SEMAPHORE |
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RTEMS_INHERIT_PRIORITY, 1, &m_sync);
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#elif defined(_POSIX_THREADS)
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::pthread_mutex_init(&m_sync, 0);
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#endif
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}
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~Mutex()
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{
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#ifdef _WIN32
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DeleteCriticalSection(&m_sync);
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#elif defined(__rtems__)
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rtems_semaphore_delete(m_sync);
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#elif defined(_POSIX_THREADS)
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::pthread_mutex_destroy(&m_sync);
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#endif
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}
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friend class MutexLock;
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private:
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void lock()
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{
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#ifdef _WIN32
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EnterCriticalSection(&m_sync);
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#elif defined(__rtems__)
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rtems_semaphore_obtain(m_sync, RTEMS_WAIT, RTEMS_NO_TIMEOUT);
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#elif defined(_POSIX_THREADS)
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::pthread_mutex_lock(&m_sync);
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#endif
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}
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void unlock()
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{
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#ifdef _WIN32
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LeaveCriticalSection(&m_sync);
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#elif defined(__rtems__)
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rtems_semaphore_release(m_sync);
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#elif defined(_POSIX_THREADS)
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::pthread_mutex_unlock(&m_sync);
|
|
#endif
|
|
}
|
|
|
|
private:
|
|
#ifdef _WIN32
|
|
CRITICAL_SECTION m_sync;
|
|
#elif defined(__rtems__)
|
|
rtems_id m_sync;
|
|
#elif defined(_POSIX_THREADS)
|
|
pthread_mutex_t m_sync;
|
|
#endif
|
|
};
|
|
|
|
class PLOG_LINKAGE_HIDDEN MutexLock : NonCopyable
|
|
{
|
|
public:
|
|
MutexLock(Mutex& mutex) : m_mutex(mutex)
|
|
{
|
|
m_mutex.lock();
|
|
}
|
|
|
|
~MutexLock()
|
|
{
|
|
m_mutex.unlock();
|
|
}
|
|
|
|
private:
|
|
Mutex& m_mutex;
|
|
};
|
|
|
|
template<class T>
|
|
#ifdef _WIN32
|
|
class Singleton : NonCopyable
|
|
#else
|
|
class PLOG_LINKAGE Singleton : NonCopyable
|
|
#endif
|
|
{
|
|
public:
|
|
#if (defined(__clang__) || defined(__GNUC__) && __GNUC__ >= 8) && !defined(__BORLANDC__)
|
|
// This constructor is called before the `T` object is fully constructed, and
|
|
// pointers are not dereferenced anyway, so UBSan shouldn't check vptrs.
|
|
__attribute__((no_sanitize("vptr")))
|
|
#endif
|
|
Singleton()
|
|
{
|
|
assert(!m_instance);
|
|
m_instance = static_cast<T*>(this);
|
|
}
|
|
|
|
~Singleton()
|
|
{
|
|
assert(m_instance);
|
|
m_instance = 0;
|
|
}
|
|
|
|
static T* getInstance()
|
|
{
|
|
return m_instance;
|
|
}
|
|
|
|
private:
|
|
static T* m_instance;
|
|
};
|
|
|
|
template<class T>
|
|
T* Singleton<T>::m_instance = NULL;
|
|
}
|
|
}
|