X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a619fa3f907c0e43fe854212f466bda63fceaa27..f46ad98f0df1e1b073a484cb34a91e2e1278fdb7:/include/wx/log.h diff --git a/include/wx/log.h b/include/wx/log.h index 102e962521..71be9b337b 100644 --- a/include/wx/log.h +++ b/include/wx/log.h @@ -12,31 +12,31 @@ #ifndef _WX_LOG_H_ #define _WX_LOG_H_ -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma interface "log.h" -#endif - #include "wx/defs.h" -#if wxUSE_LOG - -#include "wx/string.h" -#include "wx/arrstr.h" - // ---------------------------------------------------------------------------- -// forward declarations +// common constants for use in wxUSE_LOG/!wxUSE_LOG // ---------------------------------------------------------------------------- -#if wxUSE_GUI - class WXDLLIMPEXP_CORE wxTextCtrl; - class WXDLLIMPEXP_CORE wxLogFrame; - class WXDLLIMPEXP_CORE wxFrame; -#endif // wxUSE_GUI +// the trace masks have been superceded by symbolic trace constants, they're +// for compatibility only andwill be removed soon - do NOT use them + +// meaning of different bits of the trace mask (which allows selectively +// enable/disable some trace messages) +#define wxTraceMemAlloc 0x0001 // trace memory allocation (new/delete) +#define wxTraceMessages 0x0002 // trace window messages/X callbacks +#define wxTraceResAlloc 0x0004 // trace GDI resource allocation +#define wxTraceRefCount 0x0008 // trace various ref counting operations + +#ifdef __WXMSW__ + #define wxTraceOleCalls 0x0100 // OLE interface calls +#endif // ---------------------------------------------------------------------------- // types // ---------------------------------------------------------------------------- +// NB: these types are needed even if wxUSE_LOG == 0 typedef unsigned long wxTraceMask; typedef unsigned long wxLogLevel; @@ -44,8 +44,14 @@ typedef unsigned long wxLogLevel; // headers // ---------------------------------------------------------------------------- +#include "wx/string.h" + +#if wxUSE_LOG + +#include "wx/arrstr.h" + #ifndef __WXWINCE__ -#include // for time_t + #include // for time_t #endif #include "wx/dynarray.h" @@ -58,6 +64,17 @@ typedef unsigned long wxLogLevel; # endif #endif +// ---------------------------------------------------------------------------- +// forward declarations +// ---------------------------------------------------------------------------- + +#if wxUSE_GUI + class WXDLLIMPEXP_CORE wxTextCtrl; + class WXDLLIMPEXP_CORE wxLogFrame; + class WXDLLIMPEXP_CORE wxFrame; + class WXDLLIMPEXP_CORE wxWindow; +#endif // wxUSE_GUI + // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- @@ -91,20 +108,6 @@ enum #define wxTRACE_OleCalls wxT("ole") // OLE interface calls #endif -// the trace masks have been superceded by symbolic trace constants, they're -// for compatibility only andwill be removed soon - do NOT use them - -// meaning of different bits of the trace mask (which allows selectively -// enable/disable some trace messages) -#define wxTraceMemAlloc 0x0001 // trace memory allocation (new/delete) -#define wxTraceMessages 0x0002 // trace window messages/X callbacks -#define wxTraceResAlloc 0x0004 // trace GDI resource allocation -#define wxTraceRefCount 0x0008 // trace various ref counting operations - -#ifdef __WXMSW__ - #define wxTraceOleCalls 0x0100 // OLE interface calls -#endif - #include "wx/iosfwrap.h" // ---------------------------------------------------------------------------- @@ -116,7 +119,7 @@ class WXDLLIMPEXP_BASE wxLog { public: // ctor - wxLog(); + wxLog(){} // Internal buffer. @@ -136,15 +139,7 @@ public: // 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 @@ -192,6 +187,14 @@ 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; } @@ -239,7 +242,7 @@ 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 @@ -256,10 +259,23 @@ 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? @@ -281,11 +297,33 @@ private: // "trivial" derivations of wxLog // ---------------------------------------------------------------------------- +// log everything to a buffer +class WXDLLIMPEXP_BASE wxLogBuffer : public wxLog +{ +public: + wxLogBuffer() { } + + // get the string contents with all messages logged + const wxString& GetBuffer() const { return m_str; } + + // show the buffer contents to the user in the best possible way (this uses + // wxMessageOutputMessageBox) and clear it + virtual void Flush(); + +protected: + virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t); + virtual void DoLogString(const wxChar *szString, time_t t); + +private: + wxString m_str; + + DECLARE_NO_COPY_CLASS(wxLogBuffer) +}; + + // log everything to a "FILE *", stderr by default class WXDLLIMPEXP_BASE wxLogStderr : public wxLog { - DECLARE_NO_COPY_CLASS(wxLogStderr) - public: // redirect log output to a FILE wxLogStderr(FILE *fp = (FILE *) NULL); @@ -295,6 +333,8 @@ protected: virtual void DoLogString(const wxChar *szString, time_t t); FILE *m_fp; + + DECLARE_NO_COPY_CLASS(wxLogStderr) }; #if wxUSE_STD_IOSTREAM @@ -434,28 +474,31 @@ WXDLLIMPEXP_BASE const wxChar* wxSysErrorMsg(unsigned long nErrCode = 0); #define DECLARE_LOG_FUNCTION(level) \ extern void WXDLLIMPEXP_BASE wxVLog##level(const wxChar *szFormat, \ - va_list argptr); \ + va_list argptr); \ extern void WXDLLIMPEXP_BASE wxLog##level(const wxChar *szFormat, \ - ...) ATTRIBUTE_PRINTF_1 -#define DECLARE_LOG_FUNCTION2_EXP(level, arg, expdecl) \ -extern void expdecl wxVLog##level(arg, const wxChar *szFormat, \ - va_list argptr); \ -extern void expdecl wxLog##level(arg, const wxChar *szFormat, \ - ...) ATTRIBUTE_PRINTF_2 -#define DECLARE_LOG_FUNCTION2(level, arg) \ - DECLARE_LOG_FUNCTION2_EXP(level, arg, WXDLLIMPEXP_BASE) - + ...) 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 #else // !wxUSE_LOG // log functions do nothing at all #define DECLARE_LOG_FUNCTION(level) \ -inline void wxVLog##level(const wxChar *szFormat, \ - va_list argptr) { } \ -inline void wxLog##level(const wxChar *szFormat, ...) { } -#define DECLARE_LOG_FUNCTION2(level, arg) \ -inline void wxVLog##level(arg, const wxChar *szFormat, \ - va_list argptr) {} \ -inline void wxLog##level(arg, const wxChar *szFormat, ...) { } +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), \ + ...) { } // Empty Class to fake wxLogNull class WXDLLIMPEXP_BASE wxLogNull @@ -473,8 +516,12 @@ public: #endif // wxUSE_LOG/!wxUSE_LOG +#define DECLARE_LOG_FUNCTION2(level, argclass, arg) \ + DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, WXDLLIMPEXP_BASE) + + // a generic function for all levels (level is passes as parameter) -DECLARE_LOG_FUNCTION2(Generic, wxLogLevel level); +DECLARE_LOG_FUNCTION2(Generic, wxLogLevel, level); // one function per each level DECLARE_LOG_FUNCTION(FatalError); @@ -490,8 +537,9 @@ DECLARE_LOG_FUNCTION(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(Status, wxFrame *, pFrame, WXDLLIMPEXP_CORE); #endif // wxUSE_GUI // additional one: as wxLogError, but also logs last system call error code @@ -500,10 +548,10 @@ DECLARE_LOG_FUNCTION(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(SysError, long, lErrCode); // 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 @@ -512,20 +560,23 @@ 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(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 + DECLARE_LOG_FUNCTION2(Trace, wxTraceMask, mask); +#else //!debug || !wxUSE_LOG // 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 *, ...) { } + inline void wxLogDebug(const wxChar *fmt, ...) { wxUnusedVar(fmt); } inline void wxVLogTrace(wxTraceMask, const wxChar *, va_list) { } - inline void wxLogTrace(wxTraceMask, const wxChar *, ...) { } + 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 *, ...) { } + inline void wxLogTrace(const wxChar *, const wxChar *fmt, ...) { wxUnusedVar(fmt); } #endif // debug/!debug // wxLogFatalError helper: show the (fatal) error to the user in a safe way,