// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
+
#ifdef __GNUG__
- #pragma implementation "log.h"
+ #pragma implementation "log.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
- #pragma hdrstop
+ #pragma hdrstop
#endif
+#if wxUSE_LOG
+
// wxWindows
#ifndef WX_PRECOMP
- #include <wx/app.h>
- #include <wx/string.h>
- #include <wx/intl.h>
-
- #include <wx/generic/msgdlgg.h>
- #include <wx/filedlg.h>
- #include <wx/textctrl.h>
+ #include "wx/app.h"
+ #include "wx/arrstr.h"
+ #include "wx/intl.h"
+ #include "wx/string.h"
#endif //WX_PRECOMP
-#include <wx/file.h>
-#include <wx/textfile.h>
-#include <wx/log.h>
+#include "wx/apptrait.h"
+#include "wx/file.h"
+#include "wx/log.h"
+#include "wx/msgout.h"
+#include "wx/textfile.h"
+#include "wx/thread.h"
+#include "wx/utils.h"
+#include "wx/wxchar.h"
// other standard headers
-#include <errno.h>
-#include <stdlib.h>
-#include <time.h>
+#ifndef __WXWINCE__
+#include <errno.h>
+#endif
-#ifdef __WXMSW__
- #include <windows.h>
-#else //Unix
- #include <signal.h>
-#endif //Win/Unix
+#include <stdlib.h>
+
+#ifndef __WXWINCE__
+#include <time.h>
+#else
+#include "wx/msw/wince/time.h"
+#endif
+
+#if defined(__WINDOWS__)
+ #include "wx/msw/private.h" // includes windows.h
+#endif
// ----------------------------------------------------------------------------
// non member functions
// ============================================================================
// ----------------------------------------------------------------------------
-// implementation of Log functions
-//
-// NB: unfortunately we need all these distinct functions, we can't make them
-// macros and not all compilers inline vararg functions.
+// globals
// ----------------------------------------------------------------------------
// log functions can't allocate memory (LogError("out of memory...") should
// work!), so we use a static buffer for all log messages
#define LOG_BUFFER_SIZE (4096)
-// static buffer for error messages (@@@ MT-unsafe)
-static char s_szBuf[LOG_BUFFER_SIZE];
+// static buffer for error messages
+static wxChar s_szBufStatic[LOG_BUFFER_SIZE];
+
+static wxChar *s_szBuf = s_szBufStatic;
+static size_t s_szBufSize = WXSIZEOF( s_szBufStatic );
+
+#if wxUSE_THREADS
+
+// the critical section protecting the static buffer
+static wxCriticalSection gs_csLogBuf;
+
+#endif // wxUSE_THREADS
+
+// return true if we have a non NULL non disabled log target
+static inline bool IsLoggingEnabled()
+{
+ return wxLog::IsEnabled() && (wxLog::GetActiveTarget() != NULL);
+}
+
+// ----------------------------------------------------------------------------
+// implementation of Log functions
+//
+// NB: unfortunately we need all these distinct functions, we can't make them
+// macros and not all compilers inline vararg functions.
+// ----------------------------------------------------------------------------
+
+// wrapper for wxVsnprintf(s_szBuf) which always NULL-terminates it
+static inline void PrintfInLogBug(const wxChar *szFormat, va_list argptr)
+{
+ if ( wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr) < 0 )
+ {
+ // must NUL-terminate it manually
+ s_szBuf[s_szBufSize - 1] = _T('\0');
+ }
+ //else: NUL-terminated by vsnprintf()
+}
// generic log function
-void wxLogGeneric(wxLogLevel level, const char *szFormat, ...)
+void wxVLogGeneric(wxLogLevel level, const wxChar *szFormat, va_list argptr)
+{
+ if ( IsLoggingEnabled() ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+
+ PrintfInLogBug(szFormat, argptr);
+
+ wxLog::OnLog(level, s_szBuf, time(NULL));
+ }
+}
+
+void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...)
{
- if ( wxLog::GetActiveTarget() != NULL ) {
va_list argptr;
va_start(argptr, szFormat);
- vsprintf(s_szBuf, szFormat, argptr);
+ wxVLogGeneric(level, szFormat, argptr);
va_end(argptr);
-
- wxLog::OnLog(level, s_szBuf);
- }
}
-#define IMPLEMENT_LOG_FUNCTION(level) \
- void wxLog##level(const char *szFormat, ...) \
- { \
- if ( wxLog::GetActiveTarget() != NULL ) { \
- va_list argptr; \
- va_start(argptr, szFormat); \
- vsprintf(s_szBuf, szFormat, argptr); \
- va_end(argptr); \
- \
- wxLog::OnLog(wxLOG_##level, s_szBuf); \
- } \
+#define IMPLEMENT_LOG_FUNCTION(level) \
+ void wxVLog##level(const wxChar *szFormat, va_list argptr) \
+ { \
+ if ( IsLoggingEnabled() ) { \
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \
+ \
+ PrintfInLogBug(szFormat, argptr); \
+ \
+ wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \
+ } \
+ } \
+ \
+ void wxLog##level(const wxChar *szFormat, ...) \
+ { \
+ va_list argptr; \
+ va_start(argptr, szFormat); \
+ wxVLog##level(szFormat, argptr); \
+ va_end(argptr); \
}
-IMPLEMENT_LOG_FUNCTION(FatalError)
IMPLEMENT_LOG_FUNCTION(Error)
IMPLEMENT_LOG_FUNCTION(Warning)
IMPLEMENT_LOG_FUNCTION(Message)
IMPLEMENT_LOG_FUNCTION(Info)
IMPLEMENT_LOG_FUNCTION(Status)
-// same as info, but only if 'verbose' mode is on
-void wxLogVerbose(const char *szFormat, ...)
+void wxSafeShowMessage(const wxString& title, const wxString& text)
+{
+#ifdef __WINDOWS__
+ ::MessageBox(NULL, text, title, MB_OK | MB_ICONSTOP);
+#else
+ wxFprintf(stderr, _T("%s: %s\n"), title.c_str(), text.c_str());
+#endif
+}
+
+// fatal errors can't be suppressed nor handled by the custom log target and
+// always terminate the program
+void wxVLogFatalError(const wxChar *szFormat, va_list argptr)
+{
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
+
+ wxSafeShowMessage(_T("Fatal Error"), s_szBuf);
+
+#ifdef __WXWINCE__
+ ExitThread(3);
+#else
+ abort();
+#endif
+}
+
+void wxLogFatalError(const wxChar *szFormat, ...)
{
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->GetVerbose() ) {
va_list argptr;
va_start(argptr, szFormat);
- vsprintf(s_szBuf, szFormat, argptr);
+ wxVLogFatalError(szFormat, argptr);
va_end(argptr);
+}
- wxLog::OnLog(wxLOG_Info, s_szBuf);
- }
+// same as info, but only if 'verbose' mode is on
+void wxVLogVerbose(const wxChar *szFormat, va_list argptr)
+{
+ if ( IsLoggingEnabled() ) {
+ wxLog *pLog = wxLog::GetActiveTarget();
+ if ( pLog != NULL && pLog->GetVerbose() ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
+
+ wxLog::OnLog(wxLOG_Info, s_szBuf, time(NULL));
+ }
+ }
+}
+
+void wxLogVerbose(const wxChar *szFormat, ...)
+{
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogVerbose(szFormat, argptr);
+ va_end(argptr);
}
// debug functions
#ifdef __WXDEBUG__
-#define IMPLEMENT_LOG_DEBUG_FUNCTION(level) \
- void wxLog##level(const char *szFormat, ...) \
- { \
- if ( wxLog::GetActiveTarget() != NULL ) { \
- va_list argptr; \
- va_start(argptr, szFormat); \
- vsprintf(s_szBuf, szFormat, argptr); \
- va_end(argptr); \
- \
- wxLog::OnLog(wxLOG_##level, s_szBuf); \
- } \
+#define IMPLEMENT_LOG_DEBUG_FUNCTION(level) \
+ void wxVLog##level(const wxChar *szFormat, va_list argptr) \
+ { \
+ if ( IsLoggingEnabled() ) { \
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \
+ \
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr); \
+ \
+ wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \
+ } \
+ } \
+ void wxLog##level(const wxChar *szFormat, ...) \
+ { \
+ va_list argptr; \
+ va_start(argptr, szFormat); \
+ wxVLog##level(szFormat, argptr); \
+ va_end(argptr); \
}
- void wxLogTrace(wxTraceMask mask, const char *szFormat, ...)
+ void wxVLogTrace(const wxChar *mask, const wxChar *szFormat, va_list argptr)
{
- wxLog *pLog = wxLog::GetActiveTarget();
+ if ( IsLoggingEnabled() && wxLog::IsAllowedTraceMask(mask) ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+
+ wxChar *p = s_szBuf;
+ size_t len = s_szBufSize;
+ wxStrncpy(s_szBuf, _T("("), len);
+ len -= 1; // strlen("(")
+ p += 1;
+ wxStrncat(p, mask, len);
+ size_t lenMask = wxStrlen(mask);
+ len -= lenMask;
+ p += lenMask;
+
+ wxStrncat(p, _T(") "), len);
+ len -= 2;
+ p += 2;
+
+ wxVsnprintf(p, len, szFormat, argptr);
+
+ wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));
+ }
+ }
+ void wxLogTrace(const wxChar *mask, const wxChar *szFormat, ...)
+ {
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogTrace(mask, szFormat, argptr);
+ va_end(argptr);
+ }
+
+ void wxVLogTrace(wxTraceMask mask, const wxChar *szFormat, va_list argptr)
+ {
// we check that all of mask bits are set in the current mask, so
// that wxLogTrace(wxTraceRefCount | wxTraceOle) will only do something
// if both bits are set.
- if ( pLog != NULL && (pLog->GetTraceMask() & mask == mask) ) {
- va_list argptr;
- va_start(argptr, szFormat);
- vsprintf(s_szBuf, szFormat, argptr);
- va_end(argptr);
+ if ( IsLoggingEnabled() && ((wxLog::GetTraceMask() & mask) == mask) ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
- wxLog::OnLog(wxLOG_Trace, s_szBuf);
+ wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));
}
}
+ void wxLogTrace(wxTraceMask mask, const wxChar *szFormat, ...)
+ {
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogTrace(mask, szFormat, argptr);
+ va_end(argptr);
+ }
+
#else // release
#define IMPLEMENT_LOG_DEBUG_FUNCTION(level)
#endif
// common part of both wxLogSysError
void wxLogSysErrorHelper(long lErrCode)
{
- char szErrMsg[LOG_BUFFER_SIZE / 2];
- sprintf(szErrMsg, _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode));
- strncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - strlen(s_szBuf));
+ wxChar szErrMsg[LOG_BUFFER_SIZE / 2];
+ wxSnprintf(szErrMsg, WXSIZEOF(szErrMsg),
+ _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode));
+ wxStrncat(s_szBuf, szErrMsg, s_szBufSize - wxStrlen(s_szBuf));
- wxLog::OnLog(wxLOG_Error, s_szBuf);
+ wxLog::OnLog(wxLOG_Error, s_szBuf, time(NULL));
}
-void WXDLLEXPORT wxLogSysError(const char *szFormat, ...)
+void WXDLLEXPORT wxVLogSysError(const wxChar *szFormat, va_list argptr)
{
- va_list argptr;
- va_start(argptr, szFormat);
- vsprintf(s_szBuf, szFormat, argptr);
- va_end(argptr);
+ if ( IsLoggingEnabled() ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
+
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
+
+ wxLogSysErrorHelper(wxSysErrorCode());
+ }
+}
- wxLogSysErrorHelper(wxSysErrorCode());
+void WXDLLEXPORT wxLogSysError(const wxChar *szFormat, ...)
+{
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogSysError(szFormat, argptr);
+ va_end(argptr);
}
-void WXDLLEXPORT wxLogSysError(long lErrCode, const char *szFormat, ...)
+void WXDLLEXPORT wxVLogSysError(long lErrCode, const wxChar *szFormat, va_list argptr)
{
- va_list argptr;
- va_start(argptr, szFormat);
- vsprintf(s_szBuf, szFormat, argptr);
- va_end(argptr);
+ if ( IsLoggingEnabled() ) {
+ wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
- wxLogSysErrorHelper(lErrCode);
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
+
+ wxLogSysErrorHelper(lErrCode);
+ }
+}
+
+void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...)
+{
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogSysError(lErrCode, szFormat, argptr);
+ va_end(argptr);
}
// ----------------------------------------------------------------------------
wxLog::wxLog()
{
- m_bHasMessages = FALSE;
- m_bVerbose = FALSE;
- m_szTimeFormat = "[%d/%b/%y %H:%M:%S] ";
- m_ulTraceMask = (wxTraceMask)0; // -1 to set all bits
}
-wxLog *wxLog::GetActiveTarget()
+wxChar *wxLog::SetLogBuffer( wxChar *buf, size_t size)
{
- if ( !ms_bInitialized ) {
- // prevent infinite recursion if someone calls wxLogXXX() from
- // wxApp::CreateLogTarget()
- ms_bInitialized = TRUE;
-
- #ifdef WX_TEST_MINIMAL
- ms_pLogger = new wxLogStderr;
- #else
- // ask the application to create a log target for us
- ms_pLogger = wxTheApp->CreateLogTarget();
- #endif
+ wxChar *oldbuf = s_szBuf;
- // do nothing if it fails - what can we do?
- }
+ if( buf == 0 )
+ {
+ s_szBuf = s_szBufStatic;
+ s_szBufSize = WXSIZEOF( s_szBufStatic );
+ }
+ else
+ {
+ s_szBuf = buf;
+ s_szBufSize = size;
+ }
- return ms_pLogger;
+ return (oldbuf == s_szBufStatic ) ? 0 : oldbuf;
}
-wxLog *wxLog::SetActiveTarget(wxLog *pLogger)
+wxLog *wxLog::GetActiveTarget()
{
- // flush the old messages before changing
- if ( ms_pLogger != NULL )
- ms_pLogger->Flush();
+ if ( ms_bAutoCreate && ms_pLogger == NULL ) {
+ // prevent infinite recursion if someone calls wxLogXXX() from
+ // wxApp::CreateLogTarget()
+ static bool s_bInGetActiveTarget = FALSE;
+ if ( !s_bInGetActiveTarget ) {
+ s_bInGetActiveTarget = TRUE;
- ms_bInitialized = TRUE;
+ // ask the application to create a log target for us
+ if ( wxTheApp != NULL )
+ ms_pLogger = wxTheApp->GetTraits()->CreateLogTarget();
+ else
+ ms_pLogger = new wxLogStderr;
- wxLog *pOldLogger = ms_pLogger;
- ms_pLogger = pLogger;
- return pOldLogger;
-}
+ s_bInGetActiveTarget = FALSE;
-void wxLog::DoLog(wxLogLevel level, const char *szString)
-{
- wxString str;
+ // do nothing if it fails - what can we do?
+ }
+ }
- // prepend a timestamp if not disabled
- if ( !IsEmpty(m_szTimeFormat) ) {
- char szBuf[128];
- time_t timeNow;
- struct tm *ptmNow;
+ return ms_pLogger;
+}
- time(&timeNow);
- ptmNow = localtime(&timeNow);
+wxLog *wxLog::SetActiveTarget(wxLog *pLogger)
+{
+ if ( ms_pLogger != NULL ) {
+ // flush the old messages before changing because otherwise they might
+ // get lost later if this target is not restored
+ ms_pLogger->Flush();
+ }
- strftime(szBuf, WXSIZEOF(szBuf), m_szTimeFormat, ptmNow);
- str = szBuf;
- }
+ wxLog *pOldLogger = ms_pLogger;
+ ms_pLogger = pLogger;
- switch ( level ) {
- case wxLOG_FatalError:
- DoLogString(str << _("Fatal error: ") << szString);
- DoLogString(_("Program aborted."));
- Flush();
- abort();
- break;
-
- case wxLOG_Error:
- DoLogString(str << _("Error: ") << szString);
- break;
-
- case wxLOG_Warning:
- DoLogString(str << _("Warning: ") << szString);
- break;
-
- case wxLOG_Info:
- if ( GetVerbose() )
- case wxLOG_Message:
- DoLogString(str + szString);
- // fall through
-
- case wxLOG_Status:
- // nothing to do
- break;
-
- case wxLOG_Trace:
- case wxLOG_Debug:
- #ifdef __WXDEBUG__
- #ifdef __WIN32__
- // in addition to normal logging, also send the string to debugger
- // (don't prepend "Debug" here: it will go to debug window anyhow)
- ::OutputDebugString(str + szString + "\n\r");
- #endif //Win32
- DoLogString(str << (level == wxLOG_Trace ? _("Trace") : _("Debug"))
- << ": " << szString);
- #endif
-
- break;
-
- default:
- wxFAIL_MSG("unknown log level in wxLog::DoLog");
- }
+ return pOldLogger;
}
-void wxLog::DoLogString(const char *szString)
+void wxLog::DontCreateOnDemand()
{
- wxFAIL_MSG("DoLogString must be overrided if it's called.");
+ ms_bAutoCreate = FALSE;
+
+ // this is usually called at the end of the program and we assume that it
+ // is *always* called at the end - so we free memory here to avoid false
+ // memory leak reports from wxWin memory tracking code
+ ClearTraceMasks();
}
-void wxLog::Flush()
+void wxLog::RemoveTraceMask(const wxString& str)
{
- // do nothing
+ int index = ms_aTraceMasks.Index(str);
+ if ( index != wxNOT_FOUND )
+ ms_aTraceMasks.RemoveAt((size_t)index);
}
-// ----------------------------------------------------------------------------
-// wxLogStderr class implementation
-// ----------------------------------------------------------------------------
-
-wxLogStderr::wxLogStderr(FILE *fp)
+void wxLog::ClearTraceMasks()
{
- if ( fp == NULL )
- m_fp = stderr;
- else
- m_fp = fp;
+ ms_aTraceMasks.Clear();
}
-void wxLogStderr::DoLogString(const char *szString)
+void wxLog::TimeStamp(wxString *str)
{
- fputs(szString, m_fp);
- fputc('\n', m_fp);
- fflush(m_fp);
-}
+ if ( ms_timestamp )
+ {
+ wxChar buf[256];
+ time_t timeNow;
+ (void)time(&timeNow);
+ wxStrftime(buf, WXSIZEOF(buf), ms_timestamp, localtime(&timeNow));
-// ----------------------------------------------------------------------------
-// wxLogStream implementation
-// ----------------------------------------------------------------------------
+ str->Empty();
+ *str << buf << wxT(": ");
+ }
+}
-wxLogStream::wxLogStream(ostream *ostr)
+void wxLog::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
{
- if ( ostr == NULL )
- m_ostr = &cerr;
- else
- m_ostr = ostr;
+ switch ( level ) {
+ case wxLOG_FatalError:
+ DoLogString(wxString(_("Fatal error: ")) + szString, t);
+ DoLogString(_("Program aborted."), t);
+ Flush();
+#ifdef __WXWINCE__
+ ExitThread(3);
+#else
+ abort();
+#endif
+ break;
+
+ case wxLOG_Error:
+ DoLogString(wxString(_("Error: ")) + szString, t);
+ break;
+
+ case wxLOG_Warning:
+ DoLogString(wxString(_("Warning: ")) + szString, t);
+ break;
+
+ case wxLOG_Info:
+ if ( GetVerbose() )
+ case wxLOG_Message:
+ case wxLOG_Status:
+ default: // log unknown log levels too
+ DoLogString(szString, t);
+ break;
+
+ case wxLOG_Trace:
+ case wxLOG_Debug:
+#ifdef __WXDEBUG__
+ {
+ wxString msg = level == wxLOG_Trace ? wxT("Trace: ")
+ : wxT("Debug: ");
+ msg << szString;
+ DoLogString(msg, t);
+ }
+#endif // Debug
+ break;
+ }
}
-void wxLogStream::DoLogString(const char *szString)
+void wxLog::DoLogString(const wxChar *WXUNUSED(szString), time_t WXUNUSED(t))
{
- (*m_ostr) << szString << endl << flush;
+ wxFAIL_MSG(wxT("DoLogString must be overriden if it's called."));
}
-// ----------------------------------------------------------------------------
-// wxLogTextCtrl implementation
-// ----------------------------------------------------------------------------
-wxLogTextCtrl::wxLogTextCtrl(wxTextCtrl *pTextCtrl)
-// @@@ TODO: in wxGTK wxTextCtrl doesn't derive from streambuf
-#ifndef __WXGTK__
- : wxLogStream(new ostream(pTextCtrl))
-#endif //GTK
+void wxLog::Flush()
{
+ // nothing to do here
}
-wxLogTextCtrl::~wxLogTextCtrl()
+/*static*/ bool wxLog::IsAllowedTraceMask(const wxChar *mask)
{
- #ifndef __WXGTK__
- delete m_ostr;
- #endif //GTK
+ for ( wxArrayString::iterator it = ms_aTraceMasks.begin(),
+ en = ms_aTraceMasks.end();
+ it != en; ++it )
+ if ( *it == mask)
+ return true;
+ return false;
}
// ----------------------------------------------------------------------------
-// wxLogGui implementation
+// wxLogStderr class implementation
// ----------------------------------------------------------------------------
-#ifndef WX_TEST_MINIMAL
-
-wxLogGui::wxLogGui()
+wxLogStderr::wxLogStderr(FILE *fp)
{
- m_bErrors = FALSE;
+ if ( fp == NULL )
+ m_fp = stderr;
+ else
+ m_fp = fp;
}
-void wxLogGui::Flush()
+void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
{
- if ( !m_bHasMessages )
- return;
+ wxString str;
+ TimeStamp(&str);
+ str << szString;
- // @@@ ugly...
+ fputs(str.mb_str(), m_fp);
+ fputc(_T('\n'), m_fp);
+ fflush(m_fp);
- // concatenate all strings (but not too many to not overfill the msg box)
- wxString str;
- uint nLines = 0,
- nMsgCount = m_aMessages.Count();
-
- // start from the most recent message
- for ( uint n = nMsgCount; n > 0; n-- ) {
- // for Windows strings longer than this value are wrapped (NT 4.0)
- const uint nMsgLineWidth = 156;
-
- nLines += (m_aMessages[n - 1].Len() + nMsgLineWidth - 1) / nMsgLineWidth;
-
- if ( nLines > 25 ) // don't put too many lines in message box
- break;
-
- str << m_aMessages[n - 1] << "\n";
- }
-
- if ( m_bErrors ) {
- wxMessageBox(str, _("Error"), wxOK | wxICON_EXCLAMATION);
- }
- else {
- wxMessageBox(str, _("Information"), wxOK | wxICON_INFORMATION);
- }
-
- // no undisplayed messages whatsoever
- m_bHasMessages =
- m_bErrors = FALSE;
- m_aMessages.Empty();
-}
-
-// the default behaviour is to discard all informational messages if there
-// are any errors/warnings.
-void wxLogGui::DoLog(wxLogLevel level, const char *szString)
-{
- switch ( level ) {
- case wxLOG_Info:
- if ( GetVerbose() )
- case wxLOG_Message:
- if ( !m_bErrors ) {
- m_aMessages.Add(szString);
- m_bHasMessages = TRUE;
- }
- break;
-
- case wxLOG_Status:
- {
- // find the top window and set it's status text if it has any
- wxWindow *pWin = wxTheApp->GetTopWindow();
- if ( pWin != NULL && pWin->IsKindOf(CLASSINFO(wxFrame)) ) {
- wxFrame *pFrame = (wxFrame *)pWin;
- pFrame->SetStatusText(szString);
+ // under GUI systems such as Windows or Mac, programs usually don't have
+ // stderr at all, so show the messages also somewhere else, typically in
+ // the debugger window so that they go at least somewhere instead of being
+ // simply lost
+ if ( m_fp == stderr )
+ {
+ wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
+ if ( traits && !traits->HasStderr() )
+ {
+ wxMessageOutputDebug().Printf(_T("%s"), str.c_str());
}
- }
- break;
-
- case wxLOG_Trace:
- case wxLOG_Debug:
- #ifdef __WXDEBUG__
- #ifdef __WIN32__
- OutputDebugString(szString);
- OutputDebugString("\n\r");
- #else //!WIN32
- // send them to stderr
- fprintf(stderr, "%s: %s\n",
- level == wxLOG_Trace ? _("Trace") : _("Debug"), szString);
- fflush(stderr);
- #endif // WIN32
- #endif
- break;
-
- case wxLOG_FatalError:
- // show this one immediately
- wxMessageBox(szString, _("Fatal error"), wxICON_HAND);
- break;
-
- case wxLOG_Error:
- case wxLOG_Warning:
- // discard earlier informational messages if this is the 1st error
- if ( !m_bErrors ) {
- m_aMessages.Empty();
- m_bHasMessages = TRUE;
- m_bErrors = TRUE;
- }
-
- m_aMessages.Add(szString);
- break;
-
- default:
- wxFAIL_MSG("unknown log level in wxLogGui::DoLog");
- }
+ }
}
// ----------------------------------------------------------------------------
-// wxLogWindow implementation
+// wxLogStream implementation
// ----------------------------------------------------------------------------
-// log frame class
-class wxLogFrame : public wxFrame
+#if wxUSE_STD_IOSTREAM
+#include "wx/ioswrap.h"
+wxLogStream::wxLogStream(wxSTD ostream *ostr)
{
-public:
- // ctor
- wxLogFrame(const char *szTitle);
-
- // menu callbacks
- void OnClose(wxCommandEvent& event);
- void OnCloseWindow(wxCloseEvent& event);
- void OnSave (wxCommandEvent& event);
- void OnClear(wxCommandEvent& event);
-
- // accessors
- wxTextCtrl *TextCtrl() const { return m_pTextCtrl; }
-
-private:
- enum
- {
- Menu_Close = 100,
- Menu_Save,
- Menu_Clear
- };
-
- wxTextCtrl *m_pTextCtrl;
-
- DECLARE_EVENT_TABLE()
-};
-
-BEGIN_EVENT_TABLE(wxLogFrame, wxFrame)
- // wxLogWindow menu events
- EVT_MENU(Menu_Close, wxLogFrame::OnClose)
- EVT_MENU(Menu_Save, wxLogFrame::OnSave)
- EVT_MENU(Menu_Clear, wxLogFrame::OnClear)
-
- EVT_CLOSE(wxLogFrame::OnCloseWindow)
-END_EVENT_TABLE()
-
-wxLogFrame::wxLogFrame(const char *szTitle)
- : wxFrame(NULL, -1, szTitle)
-{
- // we don't want to be a top-level frame because it would prevent the
- // application termination when all other frames are closed
- wxTopLevelWindows.DeleteObject(this);
-
- // @@ kludge: wxSIMPLE_BORDER is simply to prevent wxWindows from creating
- // a rich edit control instead of a normal one we want
- m_pTextCtrl = new wxTextCtrl(this, -1, wxEmptyString, wxDefaultPosition,
- wxDefaultSize,
- wxSIMPLE_BORDER |
- wxTE_MULTILINE |
- wxHSCROLL |
- wxTE_READONLY);
- /*
- m_pTextCtrl->SetEditable(FALSE);
- m_pTextCtrl->SetRichEdit(FALSE);
- */
-
- // create menu
- wxMenuBar *pMenuBar = new wxMenuBar;
- wxMenu *pMenu = new wxMenu;
- pMenu->Append(Menu_Save, "&Save...");
- pMenu->Append(Menu_Clear, "C&lear");
- pMenu->AppendSeparator();
- pMenu->Append(Menu_Close, "&Close");
- pMenuBar->Append(pMenu, "&Log");
- SetMenuBar(pMenuBar);
-
- // @@ what about status bar? needed (for menu prompts)?
+ if ( ostr == NULL )
+ m_ostr = &wxSTD cerr;
+ else
+ m_ostr = ostr;
}
-void wxLogFrame::OnClose(wxCommandEvent& event)
+void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
{
- // just hide the window
- Show(FALSE);
+ wxString str;
+ TimeStamp(&str);
+ (*m_ostr) << str << wxConvertWX2MB(szString) << wxSTD endl;
}
+#endif // wxUSE_STD_IOSTREAM
-void wxLogFrame::OnCloseWindow(wxCloseEvent& event)
-{
- // just hide the window
- Show(FALSE);
-}
+// ----------------------------------------------------------------------------
+// wxLogChain
+// ----------------------------------------------------------------------------
-void wxLogFrame::OnSave(wxCommandEvent& event)
+wxLogChain::wxLogChain(wxLog *logger)
{
- // get the file name
- // -----------------
- const char *szFileName = wxSaveFileSelector("log", "txt", "log.txt");
- if ( szFileName == NULL ) {
- // cancelled
- return;
- }
-
- // open file
- // ---------
- wxFile file;
- bool bOk;
- if ( wxFile::Exists(szFileName) ) {
- bool bAppend;
- wxString strMsg;
- strMsg.Printf(_("Append log to file '%s' "
- "(choosing [No] will overwrite it)?"), szFileName);
- switch ( wxMessageBox(strMsg, "Question", wxYES_NO | wxCANCEL) ) {
- case wxYES:
- bAppend = TRUE;
- break;
-
- case wxNO:
- bAppend = FALSE;
- break;
-
- case wxCANCEL:
- return;
-
- default:
- wxFAIL_MSG("invalid message box return value");
- }
+ m_bPassMessages = TRUE;
- if ( bAppend ) {
- bOk = file.Open(szFileName, wxFile::write_append);
- }
- else {
- bOk = file.Create(szFileName, TRUE /* overwrite */);
- }
- }
- else {
- bOk = file.Create(szFileName);
- }
-
- // retrieve text and save it
- // -------------------------
-#ifdef __WXGTK__
- // @@@@ TODO: no GetNumberOfLines and GetLineText in wxGTK yet
- wxLogError("Sorry, this function is not implemented under GTK");
-#else
- int nLines = m_pTextCtrl->GetNumberOfLines();
- for ( int nLine = 0; bOk && nLine < nLines; nLine++ ) {
- bOk = file.Write(m_pTextCtrl->GetLineText(nLine) + wxTextFile::GetEOL());
- }
-#endif //GTK
-
- if ( bOk )
- bOk = file.Close();
-
- if ( !bOk ) {
- wxLogError(_("Can't save log contents to file."));
- return;
- }
+ m_logNew = logger;
+ m_logOld = wxLog::SetActiveTarget(this);
}
-void wxLogFrame::OnClear(wxCommandEvent& event)
+wxLogChain::~wxLogChain()
{
- m_pTextCtrl->Clear();
+ delete m_logOld;
+
+ if ( m_logNew != this )
+ delete m_logNew;
}
-wxLogWindow::wxLogWindow(const char *szTitle, bool bShow)
+void wxLogChain::SetLog(wxLog *logger)
{
- m_pOldLog = wxLog::GetActiveTarget();
- m_pLogFrame = new wxLogFrame(szTitle);
+ if ( m_logNew != this )
+ delete m_logNew;
- if ( bShow )
- m_pLogFrame->Show(TRUE);
+ m_logNew = logger;
}
-void wxLogWindow::Show(bool bShow)
+void wxLogChain::Flush()
{
- m_pLogFrame->Show(bShow);
-}
+ if ( m_logOld )
+ m_logOld->Flush();
-void wxLogWindow::DoLog(wxLogLevel level, const char *szString)
-{
- // first let the previous logger show it
- if ( m_pOldLog != NULL ) {
- // @@@ why can't we access protected wxLog method from here (we derive
- // from wxLog)? gcc gives "DoLog is protected in this context", what
- // does this mean? Anyhow, the cast is harmless and let's us do what
- // we want.
- ((wxLogWindow *)m_pOldLog)->DoLog(level, szString);
- }
-
- // and this will format it nicely and call our DoLogString()
- wxLog::DoLog(level, szString);
+ // be careful to avoid infinite recursion
+ if ( m_logNew && m_logNew != this )
+ m_logNew->Flush();
}
-void wxLogWindow::DoLogString(const char *szString)
+void wxLogChain::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
{
- // put the text into our window
- wxTextCtrl *pText = m_pLogFrame->TextCtrl();
+ // let the previous logger show it
+ if ( m_logOld && IsPassingMessages() )
+ {
+ // bogus cast just to access protected DoLog
+ ((wxLogChain *)m_logOld)->DoLog(level, szString, t);
+ }
- // remove selection (WriteText is in fact ReplaceSelection)
- #ifdef __WXMSW__
- long nLen = pText->GetLastPosition();
- pText->SetSelection(nLen, nLen);
- #endif // Windows
+ if ( m_logNew && m_logNew != this )
+ {
+ // as above...
+ ((wxLogChain *)m_logNew)->DoLog(level, szString, t);
+ }
+}
- pText->WriteText(szString);
- pText->WriteText("\n"); // "\n" ok here (_not_ "\r\n")
+// ----------------------------------------------------------------------------
+// wxLogPassThrough
+// ----------------------------------------------------------------------------
- // ensure that the line can be seen
- // @@@ TODO
-}
+#ifdef __VISUALC__
+ // "'this' : used in base member initializer list" - so what?
+ #pragma warning(disable:4355)
+#endif // VC++
-wxLogWindow::~wxLogWindow()
+wxLogPassThrough::wxLogPassThrough()
+ : wxLogChain(this)
{
- m_pLogFrame->Close(TRUE);
}
-#endif //WX_TEST_MINIMAL
+#ifdef __VISUALC__
+ #pragma warning(default:4355)
+#endif // VC++
// ============================================================================
// Global functions/variables
// ----------------------------------------------------------------------------
// static variables
// ----------------------------------------------------------------------------
-wxLog *wxLog::ms_pLogger = NULL;
-bool wxLog::ms_bInitialized = FALSE;
+
+wxLog *wxLog::ms_pLogger = (wxLog *)NULL;
+bool wxLog::ms_doLog = TRUE;
+bool wxLog::ms_bAutoCreate = TRUE;
+bool wxLog::ms_bVerbose = FALSE;
+
+wxLogLevel wxLog::ms_logLevel = wxLOG_Max; // log everything by default
+
+size_t wxLog::ms_suspendCount = 0;
+
+const wxChar *wxLog::ms_timestamp = wxT("%X"); // time only, no date
+
+wxTraceMask wxLog::ms_ulTraceMask = (wxTraceMask)0;
+wxArrayString wxLog::ms_aTraceMasks;
// ----------------------------------------------------------------------------
// stdout error logging helper
// helper function: wraps the message and justifies it under given position
// (looks more pretty on the terminal). Also adds newline at the end.
//
-// @@ this is now disabled until I find a portable way of determining the
-// terminal window size (ok, I found it but does anybody really cares?)
-#ifdef LOG_PRETTY_WRAP
+// TODO this is now disabled until I find a portable way of determining the
+// terminal window size (ok, I found it but does anybody really cares?)
+#ifdef LOG_PRETTY_WRAP
static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz)
{
- size_t nMax = 80; // @@@@
- size_t nStart = strlen(pszPrefix);
- fputs(pszPrefix, f);
+ size_t nMax = 80; // FIXME
+ size_t nStart = strlen(pszPrefix);
+ fputs(pszPrefix, f);
- size_t n;
- while ( *psz != '\0' ) {
- for ( n = nStart; (n < nMax) && (*psz != '\0'); n++ )
- putc(*psz++, f);
+ size_t n;
+ while ( *psz != '\0' ) {
+ for ( n = nStart; (n < nMax) && (*psz != '\0'); n++ )
+ putc(*psz++, f);
- // wrapped?
- if ( *psz != '\0' ) {
- /*putc('\n', f);*/
- for ( n = 0; n < nStart; n++ )
- putc(' ', f);
+ // wrapped?
+ if ( *psz != '\0' ) {
+ /*putc('\n', f);*/
+ for ( n = 0; n < nStart; n++ )
+ putc(' ', f);
- // as we wrapped, squeeze all white space
- while ( isspace(*psz) )
- psz++;
+ // as we wrapped, squeeze all white space
+ while ( isspace(*psz) )
+ psz++;
+ }
}
- }
- putc('\n', f);
+ putc('\n', f);
}
#endif //LOG_PRETTY_WRAP
// get error code from syste
unsigned long wxSysErrorCode()
{
- #ifdef __WXMSW__
- #ifdef __WIN32__
- return ::GetLastError();
- #else //WIN16
- // @@@@ what to do on Windows 3.1?
- return 0;
- #endif //WIN16/32
- #else //Unix
+#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+#ifdef __WIN32__
+ return ::GetLastError();
+#else //WIN16
+ // TODO what to do on Windows 3.1?
+ return 0;
+#endif //WIN16/32
+#else //Unix
return errno;
- #endif //Win/Unix
+#endif //Win/Unix
}
// get error message from system
-const char *wxSysErrorMsg(unsigned long nErrCode)
-{
- if ( nErrCode == 0 )
- nErrCode = wxSysErrorCode();
-
- #ifdef __WXMSW__
- #ifdef __WIN32__
- static char s_szBuf[LOG_BUFFER_SIZE / 2];
-
- // get error message from system
- LPVOID lpMsgBuf;
- FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
- NULL, nErrCode,
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- (LPTSTR)&lpMsgBuf,
- 0, NULL);
-
- // copy it to our buffer and free memory
- strncpy(s_szBuf, (const char *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
- s_szBuf[WXSIZEOF(s_szBuf) - 1] = '\0';
- LocalFree(lpMsgBuf);
-
- // returned string is capitalized and ended with '\r\n' - bad
- s_szBuf[0] = (char)tolower(s_szBuf[0]);
- size_t len = strlen(s_szBuf);
- if ( len > 0 ) {
- // truncate string
- if ( s_szBuf[len - 2] == '\r' )
- s_szBuf[len - 2] = '\0';
- }
-
- return s_szBuf;
- #else //Win16
- // TODO @@@@
- return NULL;
- #endif // Win16/32
- #else // Unix
- return strerror(nErrCode);
- #endif // Win/Unix
-}
-
-// ----------------------------------------------------------------------------
-// debug helper
-// ----------------------------------------------------------------------------
-
-#ifdef __WXDEBUG__
-
-void Trap()
-{
- #ifdef __WXMSW__
- DebugBreak();
- #else // Unix
- raise(SIGTRAP);
- #endif // Win/Unix
-}
-
-// this function is called when an assert fails
-void wxOnAssert(const char *szFile, int nLine, const char *szMsg)
-{
- // this variable can be set to true to suppress "assert failure" messages
- static bool s_bNoAsserts = FALSE;
- static bool s_bInAssert = FALSE;
-
- if ( s_bInAssert ) {
- // He-e-e-e-elp!! we're trapped in endless loop
- Trap();
- }
-
- s_bInAssert = TRUE;
-
- char szBuf[LOG_BUFFER_SIZE];
- sprintf(szBuf, _("Assert failed in file %s at line %d"), szFile, nLine);
- if ( szMsg != NULL ) {
- strcat(szBuf, ": ");
- strcat(szBuf, szMsg);
- }
- else {
- strcat(szBuf, ".");
- }
-
- if ( !s_bNoAsserts ) {
- // send it to the normal log destination
- wxLogDebug(szBuf);
-
- strcat(szBuf, _("\nDo you want to stop the program?"
- "\nYou can also choose [Cancel] to suppress "
- "further warnings."));
-
- switch ( wxMessageBox(szBuf, _("Debug"),
- wxYES_NO | wxCANCEL | wxICON_STOP ) ) {
- case wxYES:
- Trap();
- break;
-
- case wxCANCEL:
- s_bNoAsserts = TRUE;
- break;
-
- //case wxNO: nothing to do
+const wxChar *wxSysErrorMsg(unsigned long nErrCode)
+{
+ if ( nErrCode == 0 )
+ nErrCode = wxSysErrorCode();
+
+#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+#ifdef __WIN32__
+ static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
+
+ // get error message from system
+ LPVOID lpMsgBuf;
+ FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL, nErrCode,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ (LPTSTR)&lpMsgBuf,
+ 0, NULL);
+
+ // copy it to our buffer and free memory
+ if( lpMsgBuf != 0 ) {
+ wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
+ s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxT('\0');
+
+ LocalFree(lpMsgBuf);
+
+ // returned string is capitalized and ended with '\r\n' - bad
+ s_szBuf[0] = (wxChar)wxTolower(s_szBuf[0]);
+ size_t len = wxStrlen(s_szBuf);
+ if ( len > 0 ) {
+ // truncate string
+ if ( s_szBuf[len - 2] == wxT('\r') )
+ s_szBuf[len - 2] = wxT('\0');
+ }
+ }
+ else {
+ s_szBuf[0] = wxT('\0');
}
- }
- s_bInAssert = FALSE;
+ return s_szBuf;
+#else //Win16
+ // TODO
+ return NULL;
+#endif // Win16/32
+#else // Unix
+#if wxUSE_UNICODE
+ static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
+ wxConvCurrent->MB2WC(s_szBuf, strerror(nErrCode), WXSIZEOF(s_szBuf) -1);
+ return s_szBuf;
+#else
+ return strerror((int)nErrCode);
+#endif
+#endif // Win/Unix
}
-#endif //WXDEBUG
+#endif // wxUSE_LOG
projects / wxWidgets.git / blobdiff