#include "wx/defs.h"
+#if wxUSE_THREADS
+ class WXDLLIMPEXP_FWD_BASE wxCriticalSection;
+#endif
+
// ----------------------------------------------------------------------------
// common constants for use in wxUSE_LOG/!wxUSE_LOG
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
#include "wx/string.h"
+#include "wx/strvararg.h"
#if wxUSE_LOG
#include "wx/arrstr.h"
+#ifndef __WXPALMOS5__
#ifndef __WXWINCE__
#include <time.h> // for time_t
#endif
+#endif // ! __WXPALMOS5__
#include "wx/dynarray.h"
// ----------------------------------------------------------------------------
#if wxUSE_GUI
- class WXDLLIMPEXP_CORE wxTextCtrl;
- class WXDLLIMPEXP_CORE wxLogFrame;
- class WXDLLIMPEXP_CORE wxFrame;
- class WXDLLIMPEXP_CORE wxWindow;
+ class WXDLLIMPEXP_FWD_CORE wxTextCtrl;
+ class WXDLLIMPEXP_FWD_CORE wxLogFrame;
+ class WXDLLIMPEXP_FWD_CORE wxFrame;
+ class WXDLLIMPEXP_FWD_CORE wxWindow;
#endif // wxUSE_GUI
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// different standard log levels (you may also define your own)
-enum
+enum wxLogLevelValues
{
wxLOG_FatalError, // program can't continue, abort immediately
wxLOG_Error, // a serious error, user must be informed about it
// static sink function - see DoLog() for function to overload in the
// derived classes
- static void OnLog(wxLogLevel level, const wxChar *szString, time_t t);
+ static void OnLog(wxLogLevel level, const wxString& szString, time_t t);
// message buffering
// current is NULL?
static void DontCreateOnDemand();
+ // Make GetActiveTarget() create a new log object again.
+ static void DoCreateOnDemand();
+
// log the count of repeating messages instead of logging the messages
// multiple times
static void SetRepetitionCounting(bool bRepetCounting = true)
// get string trace masks
static const wxArrayString &GetTraceMasks() { return ms_aTraceMasks; }
- // sets the timestamp string: this is used as strftime() format string
- // for the log targets which add time stamps to the messages - set it
- // to NULL to disable time stamping completely.
- static void SetTimestamp(const wxChar *ts) { ms_timestamp = ts; }
+ // sets the time stamp string format: this is used as strftime() format
+ // string for the log targets which add time stamps to the messages; set
+ // it to empty string to disable time stamping completely.
+ static void SetTimestamp(const wxString& ts) { ms_timestamp = ts; }
+
+ // disable time stamping of log messages
+ static void DisableTimestamp() { SetTimestamp(wxEmptyString); }
// accessors
static wxTraceMask GetTraceMask() { return ms_ulTraceMask; }
// is this trace mask in the list?
- static bool IsAllowedTraceMask(const wxChar *mask);
+ static bool IsAllowedTraceMask(const wxString& mask);
// return the current loglevel limit
static wxLogLevel GetLogLevel() { return ms_logLevel; }
// get the current timestamp format string (may be NULL)
- static const wxChar *GetTimestamp() { return ms_timestamp; }
+ static const wxString& GetTimestamp() { return ms_timestamp; }
// helpers
// default DoLog() prepends the time stamp and a prefix corresponding
// to the message to szString and then passes it to DoLogString()
- virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t);
+ virtual void DoLog(wxLogLevel level, const wxString& szString, time_t t);
+#if WXWIN_COMPATIBILITY_2_8
+ // these shouldn't be used by new code
+ wxDEPRECATED_BUT_USED_INTERNALLY(
+ virtual void DoLog(wxLogLevel level, const char *szString, time_t t)
+ );
+
+ wxDEPRECATED_BUT_USED_INTERNALLY(
+ virtual void DoLog(wxLogLevel level, const wchar_t *wzString, time_t t)
+ );
+#endif // WXWIN_COMPATIBILITY_2_8
+
+ void LogString(const wxString& szString, time_t t)
+ { DoLogString(szString, t); }
// default DoLogString does nothing but is not pure virtual because if
// you override DoLog() you might not need it at all
- virtual void DoLogString(const wxChar *szString, time_t t);
+ virtual void DoLogString(const wxString& szString, time_t t);
+#if WXWIN_COMPATIBILITY_2_8
+ // these shouldn't be used by new code
+ virtual void DoLogString(const char *WXUNUSED(szString),
+ time_t WXUNUSED(t)) {}
+ virtual void DoLogString(const wchar_t *WXUNUSED(szString),
+ time_t WXUNUSED(t)) {}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+ // this macro should be used in the derived classes to avoid warnings about
+ // hiding the other DoLog() overloads when overriding DoLog(wxString) --
+ // but don't use it with MSVC which doesn't give this warning but does give
+ // warning when a deprecated function is overridden
+#if WXWIN_COMPATIBILITY_2_8 && !defined(__VISUALC__)
+ #define wxSUPPRESS_DOLOG_HIDE_WARNING() \
+ virtual void DoLog(wxLogLevel, const char *, time_t) { } \
+ virtual void DoLog(wxLogLevel, const wchar_t *, time_t) { }
+
+ #define wxSUPPRESS_DOLOGSTRING_HIDE_WARNING() \
+ virtual void DoLogString(const char *, time_t) { } \
+ virtual void DoLogString(const wchar_t *, time_t) { }
+#else
+ #define wxSUPPRESS_DOLOG_HIDE_WARNING()
+ #define wxSUPPRESS_DOLOGSTRING_HIDE_WARNING()
+#endif
- // log a line containing the number of times the previous message was
- // repeated
- // returns: the number
- static unsigned DoLogNumberOfRepeats();
+ // log a message indicating the number of times the previous message was
+ // repeated if ms_prevCounter > 0, does nothing otherwise; return the old
+ // value of ms_prevCounter
+ unsigned LogLastRepeatIfNeeded();
private:
+ // implement of LogLastRepeatIfNeeded(): it assumes that the
+ // caller had already locked ms_prevCS
+ unsigned LogLastRepeatIfNeededUnlocked();
+
// static variables
// ----------------
- // traditional behaviour or counting repetitions
+ // if true, don't log the same message multiple times, only log it once
+ // with the number of times it was repeated
static bool ms_bRepetCounting;
+
+#if wxUSE_THREADS
+ static wxCriticalSection ms_prevCS; // protects the ms_prev values below
+#endif
static wxString ms_prevString; // previous message that was logged
- // how many times the previous message was logged
- static unsigned ms_prevCounter;
+ static unsigned ms_prevCounter; // how many times it was repeated
static time_t ms_prevTimeStamp;// timestamp of the previous message
static wxLogLevel ms_prevLevel; // level of the previous message
// format string for strftime(), if NULL, time stamping log messages is
// disabled
- static const wxChar *ms_timestamp;
+ static wxString ms_timestamp;
static wxTraceMask ms_ulTraceMask; // controls wxLogTrace behaviour
static wxArrayString ms_aTraceMasks; // more powerful filter for wxLogTrace
virtual void Flush();
protected:
- virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t);
- virtual void DoLogString(const wxChar *szString, time_t t);
+ virtual void DoLog(wxLogLevel level, const wxString& szString, time_t t);
+ virtual void DoLogString(const wxString& szString, time_t t);
+
+ wxSUPPRESS_DOLOG_HIDE_WARNING()
+ wxSUPPRESS_DOLOGSTRING_HIDE_WARNING()
private:
wxString m_str;
protected:
// implement sink function
- virtual void DoLogString(const wxChar *szString, time_t t);
+ virtual void DoLogString(const wxString& szString, time_t t);
+
+ wxSUPPRESS_DOLOGSTRING_HIDE_WARNING()
FILE *m_fp;
protected:
// implement sink function
- virtual void DoLogString(const wxChar *szString, time_t t);
+ virtual void DoLogString(const wxString& szString, time_t t);
+
+ wxSUPPRESS_DOLOGSTRING_HIDE_WARNING()
// using ptr here to avoid including <iostream.h> from this file
wxSTD ostream *m_ostr;
// override base class version to flush the old logger as well
virtual void Flush();
+ // call to avoid destroying the old log target
+ void DetachOldLog() { m_logOld = NULL; }
+
protected:
// pass the chain to the old logger if needed
- virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t);
+ virtual void DoLog(wxLogLevel level, const wxString& szString, time_t t);
+
+ wxSUPPRESS_DOLOG_HIDE_WARNING()
private:
// the current log target
};
// a chain log target which uses itself as the new logger
-class WXDLLIMPEXP_BASE wxLogPassThrough : public wxLogChain
+
+#define wxLogPassThrough wxLogInterposer
+
+class WXDLLIMPEXP_BASE wxLogInterposer : public wxLogChain
+{
+public:
+ wxLogInterposer();
+
+private:
+ DECLARE_NO_COPY_CLASS(wxLogInterposer)
+};
+
+// a temporary interposer which doesn't destroy the old log target
+// (calls DetachOldLog)
+
+class WXDLLIMPEXP_BASE wxLogInterposerTemp : public wxLogChain
{
public:
- wxLogPassThrough();
+ wxLogInterposerTemp();
private:
- DECLARE_NO_COPY_CLASS(wxLogPassThrough)
+ DECLARE_NO_COPY_CLASS(wxLogInterposerTemp)
};
#if wxUSE_GUI
// ----------------------------------------------------------------------------
#define DECLARE_LOG_FUNCTION(level) \
-extern void WXDLLIMPEXP_BASE wxVLog##level(const wxChar *szFormat, \
- va_list argptr); \
-extern void WXDLLIMPEXP_BASE wxLog##level(const wxChar *szFormat, \
- ...) ATTRIBUTE_PRINTF_1
+ extern void WXDLLIMPEXP_BASE \
+ wxDoLog##level##Wchar(const wxChar *format, ...); \
+ extern void WXDLLIMPEXP_BASE \
+ wxDoLog##level##Utf8(const char *format, ...); \
+ WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, \
+ 1, (const wxFormatString&), \
+ wxDoLog##level##Wchar, wxDoLog##level##Utf8) \
+ DECLARE_LOG_FUNCTION_WATCOM(level) \
+ extern void WXDLLIMPEXP_BASE wxVLog##level(const wxString& format, \
+ va_list argptr)
+
+#ifdef __WATCOMC__
+ // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351;
+ // can't use WX_WATCOM_ONLY_CODE here because the macro would expand to
+ // something too big for Borland C++ to handle
+ #define DECLARE_LOG_FUNCTION_WATCOM(level) \
+ WX_VARARG_WATCOM_WORKAROUND(void, wxLog##level, \
+ 1, (const wxString&), \
+ (wxFormatString(f1))) \
+ WX_VARARG_WATCOM_WORKAROUND(void, wxLog##level, \
+ 1, (const wxCStrData&), \
+ (wxFormatString(f1))) \
+ WX_VARARG_WATCOM_WORKAROUND(void, wxLog##level, \
+ 1, (const char*), \
+ (wxFormatString(f1))) \
+ WX_VARARG_WATCOM_WORKAROUND(void, wxLog##level, \
+ 1, (const wchar_t*), \
+ (wxFormatString(f1)))
+#else
+ #define DECLARE_LOG_FUNCTION_WATCOM(level)
+#endif
+
+
#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \
-extern void expdecl wxVLog##level(argclass arg, \
- const wxChar *szFormat, \
- va_list argptr); \
-extern void expdecl wxLog##level(argclass arg, \
- const wxChar *szFormat, \
- ...) ATTRIBUTE_PRINTF_2
+ extern void expdecl wxDoLog##level##Wchar(argclass arg, \
+ const wxChar *format, ...); \
+ extern void expdecl wxDoLog##level##Utf8(argclass arg, \
+ const char *format, ...); \
+ WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, \
+ 2, (argclass, const wxFormatString&), \
+ wxDoLog##level##Wchar, wxDoLog##level##Utf8) \
+ DECLARE_LOG_FUNCTION2_EXP_WATCOM(level, argclass, arg, expdecl) \
+ extern void expdecl wxVLog##level(argclass arg, \
+ const wxString& format, \
+ va_list argptr)
+
+#ifdef __WATCOMC__
+ // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351;
+ // can't use WX_WATCOM_ONLY_CODE here because the macro would expand to
+ // something too big for Borland C++ to handle
+ #define DECLARE_LOG_FUNCTION2_EXP_WATCOM(level, argclass, arg, expdecl) \
+ WX_VARARG_WATCOM_WORKAROUND(void, wxLog##level, \
+ 2, (argclass, const wxString&), \
+ (f1, wxFormatString(f2))) \
+ WX_VARARG_WATCOM_WORKAROUND(void, wxLog##level, \
+ 2, (argclass, const wxCStrData&), \
+ (f1, wxFormatString(f2))) \
+ WX_VARARG_WATCOM_WORKAROUND(void, wxLog##level, \
+ 2, (argclass, const char*), \
+ (f1, wxFormatString(f2))) \
+ WX_VARARG_WATCOM_WORKAROUND(void, wxLog##level, \
+ 2, (argclass, const wchar_t*), \
+ (f1, wxFormatString(f2)))
+#else
+ #define DECLARE_LOG_FUNCTION2_EXP_WATCOM(level, argclass, arg, expdecl)
+#endif
+
+
#else // !wxUSE_LOG
+#ifdef __WATCOMC__
+ // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
+ #define WX_WATCOM_ONLY_CODE( x ) x
+#else
+ #define WX_WATCOM_ONLY_CODE( x )
+#endif
+
+#if defined(__WATCOMC__) || defined(__MINGW32__)
+ // Mingw has similar problem with wxLogSysError:
+ #define WX_WATCOM_OR_MINGW_ONLY_CODE( x ) x
+#else
+ #define WX_WATCOM_OR_MINGW_ONLY_CODE( x )
+#endif
+
// log functions do nothing at all
#define DECLARE_LOG_FUNCTION(level) \
-inline void wxVLog##level(const wxChar *WXUNUSED(szFormat), \
- va_list WXUNUSED(argptr)) { } \
-inline void wxLog##level(const wxChar *WXUNUSED(szFormat), \
- ...) { }
+ WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 1, (const wxString&)) \
+ WX_WATCOM_ONLY_CODE( \
+ WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 1, (const char*)) \
+ WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 1, (const wchar_t*)) \
+ WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 1, (const wxCStrData&)) \
+ ) \
+ inline void wxVLog##level(const wxString& WXUNUSED(format), \
+ va_list WXUNUSED(argptr)) { } \
+
#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \
-inline void wxVLog##level(argclass WXUNUSED(arg), \
- const wxChar *WXUNUSED(szFormat), \
- va_list WXUNUSED(argptr)) {} \
-inline void wxLog##level(argclass WXUNUSED(arg), \
- const wxChar *WXUNUSED(szFormat), \
- ...) { }
+ WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 2, (argclass, const wxString&)) \
+ WX_WATCOM_OR_MINGW_ONLY_CODE( \
+ WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 2, (argclass, const char*)) \
+ WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 2, (argclass, const wchar_t*)) \
+ WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 2, (argclass, const wxCStrData&)) \
+ ) \
+ inline void wxVLog##level(argclass WXUNUSED(arg), \
+ const wxString& WXUNUSED(format), \
+ va_list WXUNUSED(argptr)) {}
// Empty Class to fake wxLogNull
class WXDLLIMPEXP_BASE wxLogNull
#define DECLARE_LOG_FUNCTION2(level, argclass, arg) \
DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, WXDLLIMPEXP_BASE)
+// VC6 produces a warning if we a macro expanding to nothing to
+// DECLARE_LOG_FUNCTION2:
+#if defined(__VISUALC__) && __VISUALC__ < 1300
+ // "not enough actual parameters for macro 'DECLARE_LOG_FUNCTION2_EXP'"
+ #pragma warning(disable:4003)
+#endif
// a generic function for all levels (level is passes as parameter)
DECLARE_LOG_FUNCTION2(Generic, wxLogLevel, level);
#if wxUSE_GUI
// this one is the same as previous except that it allows to explicitly
- class WXDLLEXPORT wxFrame;
+ class WXDLLIMPEXP_FWD_CORE wxFrame;
// specify the frame to which the output should go
DECLARE_LOG_FUNCTION2_EXP(Status, wxFrame *, pFrame, WXDLLIMPEXP_CORE);
#endif // wxUSE_GUI
// and another one which also takes the error code (for those broken APIs
// that don't set the errno (like registry APIs in Win32))
DECLARE_LOG_FUNCTION2(SysError, long, lErrCode);
+#ifdef __WATCOMC__
+// workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
+DECLARE_LOG_FUNCTION2(SysError, unsigned long, lErrCode);
+#endif
// debug functions do nothing in release mode
#if wxUSE_LOG && wxUSE_LOG_DEBUG
// this version only logs the message if the mask had been added to the
// list of masks with AddTraceMask()
- DECLARE_LOG_FUNCTION2(Trace, const wxChar *, mask);
+ DECLARE_LOG_FUNCTION2(Trace, const wxString&, mask);
+#ifdef __WATCOMC__
+ // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
+ DECLARE_LOG_FUNCTION2(Trace, const char*, mask);
+ DECLARE_LOG_FUNCTION2(Trace, const wchar_t*, mask);
+#endif
// and this one does nothing if all of level bits are not set in
// wxLog::GetActive()->GetTraceMask() -- it's deprecated in favour of
// string identifiers
DECLARE_LOG_FUNCTION2(Trace, wxTraceMask, mask);
+#ifdef __WATCOMC__
+ // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
+ DECLARE_LOG_FUNCTION2(Trace, int, mask);
+#endif
#else //!debug || !wxUSE_LOG
- // these functions do nothing in release builds
-
- #define wxVLogDebug(fmt, valist)
- #define wxVLogTrace(mask, fmt, valist)
+ // these functions do nothing in release builds, but don't define them as
+ // nothing as it could result in different code structure in debug and
+ // release and this could result in trouble when these macros are used
+ // inside if/else
+ //
+ // note that making wxVLogDebug/Trace() themselves (empty inline) functions
+ // is a bad idea as some compilers are stupid enough to not inline even
+ // empty functions if their parameters are complicated enough, but by
+ // defining them as an empty inline function we ensure that even dumbest
+ // compilers optimise them away
+ inline void wxLogNop() { }
+
+ #define wxVLogDebug(fmt, valist) wxLogNop()
+ #define wxVLogTrace(mask, fmt, valist) wxLogNop()
#ifdef HAVE_VARIADIC_MACROS
- // unlike the inline functions below, this completely removes the
- // wxLogXXX calls from the object file:
- #define wxLogDebug(fmt, ...)
- #define wxLogTrace(mask, fmt, ...)
+ // unlike the inline functions below, this completely removes the
+ // wxLogXXX calls from the object file:
+ #define wxLogDebug(fmt, ...) wxLogNop()
+ #define wxLogTrace(mask, fmt, ...) wxLogNop()
#else // !HAVE_VARIADIC_MACROS
- // note that leaving out "fmt" in the vararg functions provokes a warning
- // from SGI CC: "the last argument of the varargs function is unnamed"
- inline void wxLogDebug(const wxChar *fmt, ...) { wxUnusedVar(fmt); }
- inline void wxLogTrace(wxTraceMask, const wxChar *fmt, ...) { wxUnusedVar(fmt); }
- inline void wxLogTrace(const wxChar *, const wxChar *fmt, ...) { wxUnusedVar(fmt); }
+ //inline void wxLogDebug(const wxString& fmt, ...) {}
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogDebug, 1, (const wxString&))
+ //inline void wxLogTrace(wxTraceMask, const wxString& fmt, ...) {}
+ //inline void wxLogTrace(const wxString&, const wxString& fmt, ...) {}
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogTrace, 2, (wxTraceMask, const wxString&))
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogTrace, 2, (const wxString&, const wxString&))
+ #ifdef __WATCOMC__
+ // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogTrace, 2, (const char*, const char*))
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogTrace, 2, (const wchar_t*, const wchar_t*))
+ #endif
#endif // HAVE_VARIADIC_MACROS/!HAVE_VARIADIC_MACROS
#endif // debug/!debug
+#if defined(__VISUALC__) && __VISUALC__ < 1300
+ #pragma warning(default:4003)
+#endif
+
// wxLogFatalError helper: show the (fatal) error to the user in a safe way,
// i.e. without using wxMessageBox() for example because it could crash
void WXDLLIMPEXP_BASE
#ifdef __VISUALC__
#define wxLogApiError(api, rc) \
wxLogDebug(wxT("%s(%d): '%s' failed with error 0x%08lx (%s)."), \
- __TFILE__, __LINE__, api, \
+ __FILE__, __LINE__, api, \
(long)rc, wxSysErrorMsg(rc))
#else // !VC++
#define wxLogApiError(api, rc) \
wxLogDebug(wxT("In file %s at line %d: '%s' failed with ") \
wxT("error 0x%08lx (%s)."), \
- __TFILE__, __LINE__, api, \
+ __FILE__, __LINE__, api, \
(long)rc, wxSysErrorMsg(rc))
#endif // VC++/!VC++
#define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode())
#else //!debug
- #define wxLogApiError(api, err)
- #define wxLogLastError(api)
+ #define wxLogApiError(api, err) wxLogNop()
+ #define wxLogLastError(api) wxLogNop()
#endif //debug/!debug
// wxCocoa has additiional trace masks
#include "wx/cocoa/log.h"
#endif
+#ifdef WX_WATCOM_ONLY_CODE
+ #undef WX_WATCOM_ONLY_CODE
+#endif
+
#endif // _WX_LOG_H_
projects / wxWidgets.git / blobdiff