X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/84006e65e80116a91514523b9d15344d4bbcbf4a..05f32fc39e4aae6144c24971c74a11d119cea82e:/include/wx/log.h?ds=inline diff --git a/include/wx/log.h b/include/wx/log.h index 29c3464b30..229380c94c 100644 --- a/include/wx/log.h +++ b/include/wx/log.h @@ -45,6 +45,7 @@ typedef unsigned long wxLogLevel; // ---------------------------------------------------------------------------- #include "wx/string.h" +#include "wx/strvararg.h" #if wxUSE_LOG @@ -80,7 +81,7 @@ typedef unsigned long wxLogLevel; // ---------------------------------------------------------------------------- // 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 @@ -121,13 +122,6 @@ public: // ctor wxLog(){} - // Internal buffer. - - // Allow replacement of the fixed size static buffer with - // a user allocated one. Pass in NULL to restore the - // built in static buffer. - static wxChar *SetLogBuffer( wxChar *buf, size_t size = 0 ); - // these functions allow to completely disable all log messages // is logging disabled now? @@ -135,19 +129,11 @@ public: // change the flag state, return the previous one static bool EnableLogging(bool doIt = true) - { bool doLogOld = ms_doLog; ms_doLog = doIt; return doLogOld; } + { bool doLogOld = ms_doLog; ms_doLog = doIt; return doLogOld; } // static sink function - see DoLog() for function to overload in the // derived classes - static void OnLog(wxLogLevel level, const wxChar *szString, time_t t) - { - if ( IsEnabled() && ms_logLevel >= level ) - { - wxLog *pLogger = GetActiveTarget(); - if ( pLogger ) - pLogger->DoLog(level, szString, t); - } - } + static void OnLog(wxLogLevel level, const wxChar *szString, time_t t); // message buffering @@ -195,12 +181,20 @@ public: // current is NULL? static void DontCreateOnDemand(); + // log the count of repeating messages instead of logging the messages + // multiple times + static void SetRepetitionCounting(bool bRepetCounting = true) + { ms_bRepetCounting = bRepetCounting; } + + // gets duplicate counting status + static bool GetRepetitionCounting() { return ms_bRepetCounting; } + // trace mask (see wxTraceXXX constants for details) static void SetTraceMask(wxTraceMask ulMask) { ms_ulTraceMask = ulMask; } // add string trace mask static void AddTraceMask(const wxString& str) - { ms_aTraceMasks.push_back(str); } + { ms_aTraceMasks.push_back(str); } // add string trace mask static void RemoveTraceMask(const wxString& str); @@ -242,12 +236,17 @@ public: static void TimeStamp(wxString *str); // make dtor virtual for all derived classes - virtual ~wxLog() { } + virtual ~wxLog(); // this method exists for backwards compatibility only, don't use bool HasPendingMessages() const { return true; } +#if WXWIN_COMPATIBILITY_2_6 + // this function doesn't do anything any more, don't call it + wxDEPRECATED( static wxChar *SetLogBuffer(wxChar *buf, size_t size = 0) ); +#endif + protected: // the logging functions that can be overriden @@ -259,10 +258,23 @@ protected: // you override DoLog() you might not need it at all virtual void DoLogString(const wxChar *szString, time_t t); + // log a line containing the number of times the previous message was + // repeated + // returns: the number + static unsigned DoLogNumberOfRepeats(); + private: // static variables // ---------------- + // traditional behaviour or counting repetitions + static bool ms_bRepetCounting; + static wxString ms_prevString; // previous message that was logged + // how many times the previous message was logged + static unsigned ms_prevCounter; + static time_t ms_prevTimeStamp;// timestamp of the previous message + static wxLogLevel ms_prevLevel; // level of the previous message + static wxLog *ms_pLogger; // currently active log sink static bool ms_doLog; // false => all logging disabled static bool ms_bAutoCreate; // create new log targets on demand? @@ -459,33 +471,39 @@ WXDLLIMPEXP_BASE const wxChar* wxSysErrorMsg(unsigned long nErrCode = 0); // define wxLog // ---------------------------------------------------------------------------- -#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 -#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 +#define DECLARE_LOG_FUNCTION_PUBLIC(level) \ + /* void wxLog##level(const wxChar *szFormat, ...); */ \ + WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, wxDoLog##level) + +#define DECLARE_LOG_FUNCTION_IMPL(level) \ + extern void WXDLLIMPEXP_BASE wxVLog##level(const wxChar *szFormat, \ + va_list argptr); \ + extern void WXDLLIMPEXP_BASE wxDoLog##level(const wxChar *szFormat, \ + ...) ATTRIBUTE_PRINTF_1 + +#define DECLARE_LOG_FUNCTION2_EXP_IMPL(level, argclass, arg, expdecl) \ + extern void expdecl wxVLog##level(argclass arg, \ + const wxChar *szFormat, \ + va_list argptr); \ + extern void expdecl wxDoLog##level(argclass arg, \ + const wxChar *szFormat, \ + ...) ATTRIBUTE_PRINTF_2 + #else // !wxUSE_LOG // 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), \ - ...) { } -#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), \ - ...) { } +#define DECLARE_LOG_FUNCTION_PUBLIC(level) \ + /* void wxLog##level(const wxChar *szFormat, ...) {} */ \ + WX_DEFINE_VARARG_FUNC_NOP(wxLog##level) + +#define DECLARE_LOG_FUNCTION_IMPL(level) \ + inline void wxVLog##level(const wxChar *WXUNUSED(szFormat), \ + va_list WXUNUSED(argptr)) { } \ + +#define DECLARE_LOG_FUNCTION2_EXP_IMPL(level, argclass, arg, expdecl) \ + inline void wxVLog##level(argclass WXUNUSED(arg), \ + const wxChar *WXUNUSED(szFormat), \ + va_list WXUNUSED(argptr)) {} // Empty Class to fake wxLogNull class WXDLLIMPEXP_BASE wxLogNull @@ -502,9 +520,31 @@ public: #define wxTRACE_OleCalls wxEmptyString // OLE interface calls #endif // wxUSE_LOG/!wxUSE_LOG + +#define DECLARE_LOG_FUNCTION(level) \ + DECLARE_LOG_FUNCTION_PUBLIC(level) \ + DECLARE_LOG_FUNCTION_IMPL(level) + +#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \ + DECLARE_LOG_FUNCTION_PUBLIC(level) \ + DECLARE_LOG_FUNCTION2_EXP_IMPL(level, argclass, arg, expdecl) + +#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \ + DECLARE_LOG_FUNCTION_PUBLIC(level) \ + DECLARE_LOG_FUNCTION2_EXP_IMPL(level, argclass, arg, expdecl) + +#define DECLARE_LOG_FUNCTION2_IMPL(level, argclass, arg) \ + DECLARE_LOG_FUNCTION2_EXP_IMPL(level, argclass, arg, WXDLLIMPEXP_BASE) + #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_IMPL: +#if defined(__VISUALC__) && __VISUALC__ < 1300 + // "not enough actual parameters for macro 'DECLARE_LOG_FUNCTION2_EXP_IMPL'" + #pragma warning(disable:4003) +#endif // a generic function for all levels (level is passes as parameter) DECLARE_LOG_FUNCTION2(Generic, wxLogLevel, level); @@ -519,25 +559,29 @@ DECLARE_LOG_FUNCTION(Verbose); // this function sends the log message to the status line of the top level // application frame, if any -DECLARE_LOG_FUNCTION(Status); +DECLARE_LOG_FUNCTION_IMPL(Status); #if wxUSE_GUI // this one is the same as previous except that it allows to explicitly class WXDLLEXPORT wxFrame; // specify the frame to which the output should go - DECLARE_LOG_FUNCTION2_EXP(Status, wxFrame *, pFrame, WXDLLIMPEXP_CORE); + DECLARE_LOG_FUNCTION2_EXP_IMPL(Status, wxFrame *, pFrame, WXDLLIMPEXP_CORE); #endif // wxUSE_GUI +DECLARE_LOG_FUNCTION_PUBLIC(Status) + // additional one: as wxLogError, but also logs last system call error code // and the corresponding error message if available -DECLARE_LOG_FUNCTION(SysError); +DECLARE_LOG_FUNCTION_IMPL(SysError); // 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); +DECLARE_LOG_FUNCTION2_IMPL(SysError, long, lErrCode); + +DECLARE_LOG_FUNCTION_PUBLIC(SysError) // debug functions do nothing in release mode -#if wxUSE_LOG_DEBUG +#if wxUSE_LOG && wxUSE_LOG_DEBUG DECLARE_LOG_FUNCTION(Debug); // there is no more unconditional LogTrace: it is not different from @@ -546,25 +590,46 @@ DECLARE_LOG_FUNCTION2(SysError, long, lErrCode); // 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_IMPL(Trace, const wxChar*, mask); // 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); -#else //!debug - // these functions do nothing in release builds - - // 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 wxVLogDebug(const wxChar *, va_list) { } - inline void wxLogDebug(const wxChar *fmt, ...) { wxUnusedVar(fmt); } - inline void wxVLogTrace(wxTraceMask, const wxChar *, va_list) { } - inline void wxLogTrace(wxTraceMask, const wxChar *fmt, ...) { wxUnusedVar(fmt); } - inline void wxVLogTrace(const wxChar *, const wxChar *, va_list) { } - inline void wxLogTrace(const wxChar *, const wxChar *fmt, ...) { wxUnusedVar(fmt); } + DECLARE_LOG_FUNCTION2_IMPL(Trace, wxTraceMask, mask); + DECLARE_LOG_FUNCTION_PUBLIC(Trace) +#else //!debug || !wxUSE_LOG + // 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, ...) wxLogNop() + #define wxLogTrace(mask, fmt, ...) wxLogNop() + #else // !HAVE_VARIADIC_MACROS + //inline void wxLogDebug(const wxString& fmt, ...) {} + WX_DEFINE_VARARG_FUNC_NOP(wxLogDebug) + //inline void wxLogTrace(wxTraceMask, const wxString& fmt, ...) {} + //inline void wxLogTrace(const wxString&, const wxString& fmt, ...) {} + WX_DEFINE_VARARG_FUNC_NOP(wxLogTrace) + #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 @@ -593,8 +658,8 @@ wxSafeShowMessage(const wxString& title, const wxString& text); #define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode()) #else //!debug - inline void wxLogApiError(const wxChar *, long) { } - inline void wxLogLastError(const wxChar *) { } + #define wxLogApiError(api, err) wxLogNop() + #define wxLogLastError(api) wxLogNop() #endif //debug/!debug // wxCocoa has additiional trace masks