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// tracer.h - Implementation of tracer class for debugging purposes
//
// NOTE: this file is under MIT license as opposed to the project as a whole.
//
// WinDirStat - Directory Statistics
// Copyright (C) 2004-2017 WinDirStat Team (windirstat.net)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
// Author(s): - oliver -> http://windirstat.net/contact/oliver/
//
#ifndef __TRACER_CPP_VER__
#define __TRACER_CPP_VER__ 2014012617
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
#pragma once
#endif // Check for "#pragma once" support
#include "tracer.h"
#include <cstdarg>
#include <fcntl.h>
#include <io.h>
#include <conio.h>
#if VTRACE_TO_CONSOLE
CWDSTracerConsole::CWDSTracerConsole()
{
int hCrt;
FILE *hf;
::AllocConsole();
::SetConsoleTitle(_T("WinDirStat debug trace output"));
// Standard output
hCrt = _open_osfhandle((intptr_t)::GetStdHandle(STD_OUTPUT_HANDLE), _O_TEXT);
hf = _fdopen(hCrt, "w");
*stdout = *hf;
setvbuf(stdout, NULL, _IONBF, 0);
// Standard error
hCrt = _open_osfhandle((intptr_t)::GetStdHandle(STD_ERROR_HANDLE), _O_TEXT);
hf = _fdopen(hCrt, "w");
*stderr = *hf;
setvbuf(stderr, NULL, _IONBF, 0);
}
CWDSTracerConsole::~CWDSTracerConsole()
{
_tprintf(_T("Press a key to continue/close.\n"));
(void)_getch();
::FreeConsole();
}
#endif // VTRACE_TO_CONSOLE
CWDSTracer::CWDSTracer(LPCSTR srcfile, LPCSTR fctname, unsigned int srcline)
: m_srcfile(srcfile)
, m_srcline(srcline)
, m_srcfunc(fctname)
// we can rely on the format with back slashes, no need to check forward slashes here
, m_srcbasename((srcfile) ? strrchr(srcfile, '\\') : NULL)
{
// Skip over the backslash
m_srcbasename = (m_srcbasename) ? m_srcbasename + 1 : srcfile;
}
void CWDSTracer::operator()(LPCSTR format, ...) // ANSI
{
CStringA str;
va_list args;
va_start(args, format);
str.FormatV(format, args);
va_end(args);
CStringA strDbg, strPfx;
# if (VTRACE_DETAIL == VTRACE_FILE_LINE_FUNC)
strPfx.Format("%hs:%u|%hs", m_srcbasename, m_srcline, m_srcfunc);
# elif (VTRACE_DETAIL == VTRACE_FILE_LINE)
strPfx.Format("%hs:%u", m_srcbasename, m_srcline);
# elif (VTRACE_DETAIL == VTRACE_FUNC)
strPfx = m_srcfunc;
# endif
if(strPfx.IsEmpty())
strDbg.Format("%hs\n", str.GetBuffer());
else
strDbg.Format("[%hs] %hs\n", strPfx.GetBuffer(), str.GetBuffer());
# if !VTRACE_TO_CONSOLE || (VTRACE_TO_CONSOLE && !VTRACE_NO_OUTPUTDEBUGSTRING)
OutputDebugStringA(strDbg.GetBuffer());
# endif
# if VTRACE_TO_CONSOLE
printf(strDbg.GetBuffer());
# endif // VTRACE_TO_CONSOLE
}
void CWDSTracer::operator()(LPCWSTR format, ...) // Unicode
{
CStringW str;
va_list args;
va_start(args, format);
str.FormatV(format, args);
va_end(args);
CStringW strDbg, strPfx;
# if (VTRACE_DETAIL == VTRACE_FILE_LINE_FUNC)
strPfx.Format(L"%hs:%u|%hs", m_srcbasename, m_srcline, m_srcfunc);
# elif (VTRACE_DETAIL == VTRACE_FILE_LINE)
strPfx.Format(L"%hs:%u", m_srcbasename, m_srcline);
# elif (VTRACE_DETAIL == VTRACE_FUNC)
strPfx = m_srcfunc;
# endif
if(strPfx.IsEmpty())
strDbg.Format(L"%ws\n", str.GetBuffer());
else
strDbg.Format(L"[%ws] %ws\n", strPfx.GetBuffer(), str.GetBuffer());
# if !VTRACE_TO_CONSOLE || (VTRACE_TO_CONSOLE && !VTRACE_NO_OUTPUTDEBUGSTRING)
OutputDebugStringW(strDbg.GetBuffer());
# endif
# ifdef VTRACE_TO_CONSOLE
wprintf(strDbg.GetBuffer());
# endif // VTRACE_TO_CONSOLE
}
#endif // __TRACER_CPP_VER__
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