]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/log.cpp
Add a length parameter for wxRegEx::Matches
[wxWidgets.git] / src / common / log.cpp
index 9214732ed839a4a80bdfea044152b860577c5660..a6a941d53ec2227e276d6a61ba338067bc5d6dd0 100644 (file)
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-  #pragma implementation "log.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-  #pragma hdrstop
+    #pragma hdrstop
 #endif
 
-// wxWindows
+#if wxUSE_LOG
+
+// wxWidgets
 #ifndef WX_PRECOMP
-    #include "wx/string.h"
-    #include "wx/intl.h"
     #include "wx/app.h"
-
-    #if wxUSE_GUI
-        #include "wx/window.h"
-        #include "wx/msgdlg.h"
-        #ifdef __WXMSW__
-            #include "wx/msw/private.h"
-        #endif
-    #endif
+    #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/utils.h"
-#include  "wx/wxchar.h"
-#include  "wx/log.h"
-#include  "wx/thread.h"
-
-#if wxUSE_LOG
+#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
 
-#if defined(__WXMSW__)
-  #include  "wx/msw/private.h"      // includes windows.h for OutputDebugString
+#include <stdlib.h>
+
+#ifndef __WXWINCE__
+#include <time.h>
+#else
+#include "wx/msw/wince/time.h"
 #endif
 
-#if defined(__WXMAC__)
-  #include  "wx/mac/private.h"  // includes mac headers
+#if defined(__WINDOWS__)
+    #include "wx/msw/private.h" // includes windows.h
 #endif
 
 // ----------------------------------------------------------------------------
@@ -114,13 +109,24 @@ static inline bool IsLoggingEnabled()
 //     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 wxVLogGeneric(wxLogLevel level, const wxChar *szFormat, va_list argptr)
 {
     if ( IsLoggingEnabled() ) {
         wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
 
-        wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
+        PrintfInLogBug(szFormat, argptr);
 
         wxLog::OnLog(level, s_szBuf, time(NULL));
     }
@@ -140,11 +146,12 @@ void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...)
     if ( IsLoggingEnabled() ) {                                     \
       wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);                      \
                                                                     \
-      wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);    \
+      PrintfInLogBug(szFormat, argptr);                             \
                                                                     \
       wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL));             \
     }                                                               \
   }                                                                 \
+                                                                    \
   void wxLog##level(const wxChar *szFormat, ...)                    \
   {                                                                 \
     va_list argptr;                                                 \
@@ -176,7 +183,11 @@ void wxVLogFatalError(const wxChar *szFormat, va_list argptr)
 
     wxSafeShowMessage(_T("Fatal Error"), s_szBuf);
 
+#ifdef __WXWINCE__
+    ExitThread(3);
+#else
     abort();
+#endif
 }
 
 void wxLogFatalError(const wxChar *szFormat, ...)
@@ -184,15 +195,17 @@ void wxLogFatalError(const wxChar *szFormat, ...)
     va_list argptr;
     va_start(argptr, szFormat);
     wxVLogFatalError(szFormat, argptr);
-    va_end(argptr);
+
+    // some compilers warn about unreachable code and it shouldn't matter
+    // for the others anyhow...
+    //va_end(argptr);
 }
 
 // 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() ) {
+        if ( wxLog::GetActiveTarget() != NULL && wxLog::GetVerbose() ) {
             wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
 
             wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
@@ -349,10 +362,6 @@ void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...)
 // wxLog class implementation
 // ----------------------------------------------------------------------------
 
-wxLog::wxLog()
-{
-}
-
 wxChar *wxLog::SetLogBuffer( wxChar *buf, size_t size)
 {
     wxChar *oldbuf = s_szBuf;
@@ -376,17 +385,17 @@ wxLog *wxLog::GetActiveTarget()
     if ( ms_bAutoCreate && ms_pLogger == NULL ) {
         // prevent infinite recursion if someone calls wxLogXXX() from
         // wxApp::CreateLogTarget()
-        static bool s_bInGetActiveTarget = FALSE;
+        static bool s_bInGetActiveTarget = false;
         if ( !s_bInGetActiveTarget ) {
-            s_bInGetActiveTarget = TRUE;
+            s_bInGetActiveTarget = true;
 
             // ask the application to create a log target for us
             if ( wxTheApp != NULL )
-                ms_pLogger = wxTheApp->CreateLogTarget();
+                ms_pLogger = wxTheApp->GetTraits()->CreateLogTarget();
             else
                 ms_pLogger = new wxLogStderr;
 
-            s_bInGetActiveTarget = FALSE;
+            s_bInGetActiveTarget = false;
 
             // do nothing if it fails - what can we do?
         }
@@ -411,7 +420,7 @@ wxLog *wxLog::SetActiveTarget(wxLog *pLogger)
 
 void wxLog::DontCreateOnDemand()
 {
-    ms_bAutoCreate = FALSE;
+    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
@@ -423,7 +432,7 @@ void wxLog::RemoveTraceMask(const wxString& str)
 {
     int index = ms_aTraceMasks.Index(str);
     if ( index != wxNOT_FOUND )
-        ms_aTraceMasks.Remove((size_t)index);
+        ms_aTraceMasks.RemoveAt((size_t)index);
 }
 
 void wxLog::ClearTraceMasks()
@@ -452,7 +461,11 @@ void wxLog::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
             DoLogString(wxString(_("Fatal error: ")) + szString, t);
             DoLogString(_("Program aborted."), t);
             Flush();
+#ifdef __WXWINCE__
+            ExitThread(3);
+#else
             abort();
+#endif
             break;
 
         case wxLOG_Error:
@@ -495,204 +508,72 @@ void wxLog::Flush()
     // nothing to do here
 }
 
-// ----------------------------------------------------------------------------
-// wxLogStderr class implementation
-// ----------------------------------------------------------------------------
-
-wxLogStderr::wxLogStderr(FILE *fp)
+/*static*/ bool wxLog::IsAllowedTraceMask(const wxChar *mask)
 {
-    if ( fp == NULL )
-        m_fp = stderr;
-    else
-        m_fp = fp;
+    for ( wxArrayString::iterator it = ms_aTraceMasks.begin(),
+                                  en = ms_aTraceMasks.end();
+         it != en; ++it )
+        if ( *it == mask)
+            return true;
+    return false;
 }
 
-#if defined(__WXMAC__) && !defined(__DARWIN__) && defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
-
-// MetroNub stuff doesn't seem to work in CodeWarrior 5.3 Carbon builds...
-
-#ifndef __MetroNubUtils__
-#include "MetroNubUtils.h"
-#endif
-
-#ifdef __cplusplus
-    extern "C" {
-#endif
-
-#ifndef __GESTALT__
-#include <Gestalt.h>
-#endif
-
-#ifndef true
-#define true 1
-#endif
-
-#ifndef false
-#define false 0
-#endif
-
-#if TARGET_API_MAC_CARBON
-
-    #include <CodeFragments.h>
-
-    EXTERN_API_C( long )
-    CallUniversalProc(UniversalProcPtr theProcPtr, ProcInfoType procInfo, ...);
-
-    ProcPtr gCallUniversalProc_Proc = NULL;
-
-#endif
-
-static MetroNubUserEntryBlock*    gMetroNubEntry = NULL;
-
-static long fRunOnce = false;
-
-Boolean IsCompatibleVersion(short inVersion);
-
-/* ---------------------------------------------------------------------------
-        IsCompatibleVersion
-   --------------------------------------------------------------------------- */
+// ----------------------------------------------------------------------------
+// wxLogBuffer implementation
+// ----------------------------------------------------------------------------
 
-Boolean IsCompatibleVersion(short inVersion)
+void wxLogBuffer::Flush()
 {
-    Boolean result = false;
-
-    if (fRunOnce)
+    if ( !m_str.empty() )
     {
-        MetroNubUserEntryBlock* block = (MetroNubUserEntryBlock *)result;
-
-        result = (inVersion <= block->apiHiVersion);
+        wxMessageOutputBest out;
+        out.Printf(_T("%s"), m_str.c_str());
+        m_str.clear();
     }
-
-    return result;
 }
 
-/* ---------------------------------------------------------------------------
-        IsMetroNubInstalled
-   --------------------------------------------------------------------------- */
-
-Boolean IsMetroNubInstalled()
+void wxLogBuffer::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
 {
-    if (!fRunOnce)
+    switch ( level )
     {
-        long result, value;
-
-        fRunOnce = true;
-        gMetroNubEntry = NULL;
-
-        if (Gestalt(gestaltSystemVersion, &value) == noErr && value < 0x1000)
-        {
-            /* look for MetroNub's Gestalt selector */
-            if (Gestalt(kMetroNubUserSignature, &result) == noErr)
+        case wxLOG_Trace:
+        case wxLOG_Debug:
+#ifdef __WXDEBUG__
+            // don't put debug messages in the buffer, we don't want to show
+            // them to the user in a msg box, log them immediately
             {
+                wxString str;
+                TimeStamp(&str);
+                str += szString;
 
-            #if TARGET_API_MAC_CARBON
-                if (gCallUniversalProc_Proc == NULL)
-                {
-                    CFragConnectionID   connectionID;
-                    Ptr                 mainAddress;
-                    Str255              errorString;
-                    ProcPtr             symbolAddress;
-                    OSErr               err;
-                    CFragSymbolClass    symbolClass;
-
-                    symbolAddress = NULL;
-                    err = GetSharedLibrary("\pInterfaceLib", kPowerPCCFragArch, kFindCFrag,
-                                           &connectionID, &mainAddress, errorString);
-
-                    if (err != noErr)
-                    {
-                        gCallUniversalProc_Proc = NULL;
-                        goto end;
-                    }
-
-                    err = FindSymbol(connectionID, "\pCallUniversalProc",
-                                    (Ptr *) &gCallUniversalProc_Proc, &symbolClass);
-
-                    if (err != noErr)
-                    {
-                        gCallUniversalProc_Proc = NULL;
-                        goto end;
-                    }
-                }
-            #endif
-
-                {
-                    MetroNubUserEntryBlock* block = (MetroNubUserEntryBlock *)result;
-
-                    /* make sure the version of the API is compatible */
-                    if (block->apiLowVersion <= kMetroNubUserAPIVersion &&
-                        kMetroNubUserAPIVersion <= block->apiHiVersion)
-                        gMetroNubEntry = block;        /* success! */
-                }
-
+                wxMessageOutputDebug dbgout;
+                dbgout.Printf(_T("%s\n"), str.c_str());
             }
-        }
-    }
-
-end:
-
-#if TARGET_API_MAC_CARBON
-    return (gMetroNubEntry != NULL && gCallUniversalProc_Proc != NULL);
-#else
-    return (gMetroNubEntry != NULL);
-#endif
-}
-
-/* ---------------------------------------------------------------------------
-        IsMWDebuggerRunning                                            [v1 API]
-   --------------------------------------------------------------------------- */
-
-Boolean IsMWDebuggerRunning()
-{
-    if (IsMetroNubInstalled())
-        return CallIsDebuggerRunningProc(gMetroNubEntry->isDebuggerRunning);
-    else
-        return false;
-}
-
-/* ---------------------------------------------------------------------------
-        AmIBeingMWDebugged                                            [v1 API]
-   --------------------------------------------------------------------------- */
+#endif // __WXDEBUG__
+            break;
 
-Boolean AmIBeingMWDebugged()
-{
-    if (IsMetroNubInstalled())
-        return CallAmIBeingDebuggedProc(gMetroNubEntry->amIBeingDebugged);
-    else
-        return false;
+        default:
+            wxLog::DoLog(level, szString, t);
+    }
 }
 
-/* ---------------------------------------------------------------------------
-        UserSetWatchPoint                                            [v2 API]
-   --------------------------------------------------------------------------- */
-
-OSErr UserSetWatchPoint (Ptr address, long length, WatchPointIDT* watchPointID)
+void wxLogBuffer::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 {
-    if (IsMetroNubInstalled() && IsCompatibleVersion(kMetroNubUserAPIVersion))
-        return CallUserSetWatchPointProc(gMetroNubEntry->userSetWatchPoint,
-                                         address, length, watchPointID);
-    else
-        return errProcessIsNotClient;
+    m_str << szString << _T("\n");
 }
 
-/---------------------------------------------------------------------------
-        ClearWatchPoint                                                [v2 API]
-   --------------------------------------------------------------------------- */
+// ----------------------------------------------------------------------------
+// wxLogStderr class implementation
+// ----------------------------------------------------------------------------
 
-OSErr ClearWatchPoint (WatchPointIDT watchPointID)
+wxLogStderr::wxLogStderr(FILE *fp)
 {
-    if (IsMetroNubInstalled() && IsCompatibleVersion(kMetroNubUserAPIVersion))
-        return CallClearWatchPointProc(gMetroNubEntry->clearWatchPoint, watchPointID);
+    if ( fp == NULL )
+        m_fp = stderr;
     else
-        return errProcessIsNotClient;
+        m_fp = fp;
 }
 
-#ifdef __cplusplus
-    }
-#endif
-
-#endif // defined(__WXMAC__) && !defined(__DARWIN__) && (__MWERKS__ >= 0x2400)
-
 void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 {
     wxString str;
@@ -703,43 +584,19 @@ void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
     fputc(_T('\n'), m_fp);
     fflush(m_fp);
 
-    // under Windows, programs usually don't have stderr at all, so show the
-    // messages also under debugger (unless it's a console program which does
-    // have stderr or unless this is a file logger which doesn't use stderr at
-    // all)
-#if defined(__WXMSW__) && wxUSE_GUI && !defined(__WXMICROWIN__)
+    // 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 )
     {
-        str += wxT("\r\n") ;
-        OutputDebugString(str.c_str());
-    }
-#endif // MSW
-
-#if defined(__WXMAC__) && !defined(__DARWIN__) && wxUSE_GUI
-    Str255 pstr ;
-    wxString output = str + wxT(";g") ;
-    wxMacStringToPascal( output.c_str() , pstr ) ;
-
-    Boolean running = false ;
-
-#if defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
-
-    if ( IsMWDebuggerRunning() && AmIBeingMWDebugged() )
-    {
-        running = true ;
-    }
-
-#endif
-
-    if (running)
-    {
-#ifdef __powerc
-        DebugStr(pstr);
-#else
-        SysBreakStr(pstr);
-#endif
+        wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
+        if ( traits && !traits->HasStderr() )
+        {
+            wxMessageOutputDebug dbgout;
+            dbgout.Printf(_T("%s\n"), str.c_str());
+        }
     }
-#endif // Mac
 }
 
 // ----------------------------------------------------------------------------
@@ -770,7 +627,7 @@ void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 
 wxLogChain::wxLogChain(wxLog *logger)
 {
-    m_bPassMessages = TRUE;
+    m_bPassMessages = true;
 
     m_logNew = logger;
     m_logOld = wxLog::SetActiveTarget(this);
@@ -845,19 +702,15 @@ wxLogPassThrough::wxLogPassThrough()
 // ----------------------------------------------------------------------------
 
 wxLog          *wxLog::ms_pLogger      = (wxLog *)NULL;
-bool            wxLog::ms_doLog        = TRUE;
-bool            wxLog::ms_bAutoCreate  = TRUE;
-bool            wxLog::ms_bVerbose     = FALSE;
+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;
 
-#if wxUSE_GUI
-    const wxChar *wxLog::ms_timestamp  = wxT("%X");  // time only, no date
-#else
-    const wxChar *wxLog::ms_timestamp  = NULL;       // save space
-#endif
+const wxChar   *wxLog::ms_timestamp    = wxT("%X");  // time only, no date
 
 wxTraceMask     wxLog::ms_ulTraceMask  = (wxTraceMask)0;
 wxArrayString   wxLog::ms_aTraceMasks;
@@ -907,12 +760,7 @@ static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz)
 unsigned long wxSysErrorCode()
 {
 #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
@@ -925,19 +773,33 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
         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,
+    if ( ::FormatMessage
+         (
+            FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+            NULL,
+            nErrCode,
             MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
             (LPTSTR)&lpMsgBuf,
-            0, NULL);
+            0,
+            NULL
+         ) == 0 )
+    {
+        // if this happens, something is seriously wrong, so don't use _() here
+        // for safety
+        wxSprintf(s_szBuf, _T("unknown error %lx"), nErrCode);
+        return s_szBuf;
+    }
+
 
     // copy it to our buffer and free memory
-    if( lpMsgBuf != 0 ) {
+    // Crashes on SmartPhone (FIXME)
+#if !defined(__SMARTPHONE__) /* of WinCE */
+    if( lpMsgBuf != 0 )
+    {
         wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
         s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxT('\0');
 
@@ -952,16 +814,14 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
                 s_szBuf[len - 2] = wxT('\0');
         }
     }
-    else {
+    else
+#endif
+    {
         s_szBuf[0] = wxT('\0');
     }
 
     return s_szBuf;
-#else   //Win16
-    // TODO
-    return NULL;
-#endif // Win16/32
-#else   // Unix
+#else   // Unix-WXMICROWIN
 #if wxUSE_UNICODE
     static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
     wxConvCurrent->MB2WC(s_szBuf, strerror(nErrCode), WXSIZEOF(s_szBuf) -1);
@@ -969,9 +829,8 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
 #else
     return strerror((int)nErrCode);
 #endif
-#endif  // Win/Unix
+#endif  // Win/Unix-WXMICROWIN
 }
 
-#endif //wxUSE_LOG
+#endif // wxUSE_LOG
 
-// vi:sts=4:sw=4:et