X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/18da7cf2922954ae6534821bec658c51fd200b21..c18353e5613042ac89a72d9762f481fb0ed6e5d2:/include/wx/log.h diff --git a/include/wx/log.h b/include/wx/log.h index a2670f451d..29c3464b30 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class WXDLLIMPEXP_CORE wxLogFrame; - class WXDLLIMPEXP_CORE wxFrame; -#endif // wxUSE_GUI +// the trace masks have been superceded by symbolic trace constants, they're +// for compatibility only andwill be removed soon - do NOT use them + +// meaning of different bits of the trace mask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" // ---------------------------------------------------------------------------- @@ -116,26 +119,30 @@ class WXDLLIMPEXP_BASE wxLog { public: // ctor - wxLog(); + 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. + + // 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? + + // is logging disabled now? static bool IsEnabled() { return ms_doLog; } - // change the flag state, return the previous one - static bool EnableLogging(bool doIt = TRUE) - { bool doLogOld = ms_doLog; ms_doLog = doIt; return doLogOld; } + + // change the flag state, return the previous one + static bool EnableLogging(bool doIt = true) + { 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 ) { + if ( IsEnabled() && ms_logLevel >= level ) + { wxLog *pLogger = GetActiveTarget(); if ( pLogger ) pLogger->DoLog(level, szString, t); @@ -143,12 +150,13 @@ public: } // message buffering - // flush shows all messages if they're not logged immediately (FILE - // and iostream logs don't need it, but wxGuiLog does to avoid showing - // 17 modal dialogs one after another) + + // flush shows all messages if they're not logged immediately (FILE + // and iostream logs don't need it, but wxGuiLog does to avoid showing + // 17 modal dialogs one after another) virtual void Flush(); - // flush the active target if any + // flush the active target if any static void FlushActive() { if ( !ms_suspendCount ) @@ -160,66 +168,77 @@ public: } // only one sink is active at each moment - // get current log target, will call wxApp::CreateLogTarget() to - // create one if none exists + // get current log target, will call wxApp::CreateLogTarget() to + // create one if none exists static wxLog *GetActiveTarget(); - // change log target, pLogger may be NULL + + // change log target, pLogger may be NULL static wxLog *SetActiveTarget(wxLog *pLogger); - // suspend the message flushing of the main target until the next call - // to Resume() - this is mainly for internal use (to prevent wxYield() - // from flashing the messages) + // suspend the message flushing of the main target until the next call + // to Resume() - this is mainly for internal use (to prevent wxYield() + // from flashing the messages) static void Suspend() { ms_suspendCount++; } - // must be called for each Suspend()! + + // must be called for each Suspend()! static void Resume() { ms_suspendCount--; } // functions controlling the default wxLog behaviour - // verbose mode is activated by standard command-line '-verbose' - // option - static void SetVerbose(bool bVerbose = TRUE) { ms_bVerbose = bVerbose; } + // verbose mode is activated by standard command-line '-verbose' + // option + static void SetVerbose(bool bVerbose = true) { ms_bVerbose = bVerbose; } - // Set log level. Log messages with level > logLevel will not be logged. + // Set log level. Log messages with level > logLevel will not be logged. static void SetLogLevel(wxLogLevel logLevel) { ms_logLevel = logLevel; } - // should GetActiveTarget() try to create a new log object if the - // current is NULL? + // should GetActiveTarget() try to create a new log object if the + // current is NULL? static void DontCreateOnDemand(); - // trace mask (see wxTraceXXX constants for details) + // trace mask (see wxTraceXXX constants for details) static void SetTraceMask(wxTraceMask ulMask) { ms_ulTraceMask = ulMask; } - // add string trace mask + + // add string trace mask static void AddTraceMask(const wxString& str) - { ms_aTraceMasks.push_back(str); } - // add string trace mask + { ms_aTraceMasks.push_back(str); } + + // add string trace mask static void RemoveTraceMask(const wxString& str); - // remove all string trace masks + + // remove all string trace masks static void ClearTraceMasks(); - // get string trace masks + + // 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. + // 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; } // accessors - // gets the verbose status + + // gets the verbose status static bool GetVerbose() { return ms_bVerbose; } - // get trace mask + + // get trace mask static wxTraceMask GetTraceMask() { return ms_ulTraceMask; } - // is this trace mask in the list? + + // is this trace mask in the list? static bool IsAllowedTraceMask(const wxChar *mask); - // return the current loglevel limit + + // return the current loglevel limit static wxLogLevel GetLogLevel() { return ms_logLevel; } - // get the current timestamp format string (may be NULL) + // get the current timestamp format string (may be NULL) static const wxChar *GetTimestamp() { return ms_timestamp; } // helpers - // put the time stamp into the string if ms_timestamp != NULL (don't - // change it otherwise) + + // put the time stamp into the string if ms_timestamp != NULL (don't + // change it otherwise) static void TimeStamp(wxString *str); // make dtor virtual for all derived classes @@ -227,15 +246,17 @@ public: // this method exists for backwards compatibility only, don't use - bool HasPendingMessages() const { return TRUE; } + bool HasPendingMessages() const { return true; } protected: // the logging functions that can be overriden - // default DoLog() prepends the time stamp and a prefix corresponding - // to the message to szString and then passes it to DoLogString() + + // 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); - // default DoLogString does nothing but is not pure virtual because if - // you override DoLog() you might not need it at all + + // 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); private: @@ -243,9 +264,9 @@ private: // ---------------- static wxLog *ms_pLogger; // currently active log sink - static bool ms_doLog; // FALSE => all logging disabled + static bool ms_doLog; // false => all logging disabled static bool ms_bAutoCreate; // create new log targets on demand? - static bool ms_bVerbose; // FALSE => ignore LogInfo messages + static bool ms_bVerbose; // false => ignore LogInfo messages static wxLogLevel ms_logLevel; // limit logging to levels <= ms_logLevel @@ -263,11 +284,33 @@ 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); @@ -277,6 +320,8 @@ protected: virtual void DoLogString(const wxChar *szString, time_t t); FILE *m_fp; + + DECLARE_NO_COPY_CLASS(wxLogStderr) }; #if wxUSE_STD_IOSTREAM @@ -321,7 +366,7 @@ protected: class WXDLLIMPEXP_BASE wxLogNull { public: - wxLogNull() : m_flagOld(wxLog::EnableLogging(FALSE)) { } + wxLogNull() : m_flagOld(wxLog::EnableLogging(false)) { } ~wxLogNull() { (void)wxLog::EnableLogging(m_flagOld); } private: @@ -416,28 +461,31 @@ 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 @@ -454,9 +502,12 @@ public: #define wxTRACE_OleCalls wxEmptyString // OLE interface calls #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); @@ -472,8 +523,9 @@ 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 @@ -482,33 +534,35 @@ 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 DECLARE_LOG_FUNCTION(Debug); - // first kind of LogTrace is unconditional: it doesn't check the level, - DECLARE_LOG_FUNCTION(Trace); + // there is no more unconditional LogTrace: it is not different from + // LogDebug and it creates overload ambiguities + //DECLARE_LOG_FUNCTION(Trace); - // this second version will only log the message if the mask had been - // added to the list of masks with AddTraceMask() - DECLARE_LOG_FUNCTION2(Trace, const wxChar *mask); + // 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); - // the last one does nothing if all of level bits are not set - // in wxLog::GetActive()->GetTraceMask() - it's deprecated in favour of + // 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); + 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 *, ...) { } - inline void wxVLogTrace(const wxChar *, va_list) { } - inline void wxLogTrace(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, @@ -543,5 +597,10 @@ wxSafeShowMessage(const wxString& title, const wxString& text); inline void wxLogLastError(const wxChar *) { } #endif //debug/!debug +// wxCocoa has additiional trace masks +#if defined(__WXCOCOA__) +#include "wx/cocoa/log.h" +#endif + #endif // _WX_LOG_H_