made wxTextFile work in Unicode; also made it possible to use it with non seekable...

[wxWidgets.git] / src / common / log.cpp

diff --git a/src/common/log.cpp b/src/common/log.cpp
index eead893dce108fc162f5137a758a53211e1556f8..252c6b09bbf73b1594380a44763e8ba0453f5796 100644 (file)
--- a/src/common/log.cpp
+++ b/src/common/log.cpp
@@ -6,7 +6,7 @@
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "log.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -199,15 +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);
@@ -364,10 +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;
@@ -391,9 +385,9 @@ 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 )
@@ -401,7 +395,7 @@ wxLog *wxLog::GetActiveTarget()
             else
                 ms_pLogger = new wxLogStderr;
 
-            s_bInGetActiveTarget = FALSE;
+            s_bInGetActiveTarget = false;
 
             // do nothing if it fails - what can we do?
         }
@@ -426,7 +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
@@ -524,6 +518,50 @@ void wxLog::Flush()
     return false;
 }
 
+// ----------------------------------------------------------------------------
+// wxLogBuffer implementation
+// ----------------------------------------------------------------------------
+
+void wxLogBuffer::Flush()
+{
+    if ( !m_str.empty() )
+    {
+        wxMessageOutputBest out;
+        out.Printf(_T("%s"), m_str.c_str());
+        m_str.clear();
+    }
+}
+
+void wxLogBuffer::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
+{
+    switch ( level )
+    {
+        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;
+
+                wxMessageOutputDebug dbgout;
+                dbgout.Printf(_T("%s\n"), str.c_str());
+            }
+#endif // __WXDEBUG__
+            break;
+
+        default:
+            wxLog::DoLog(level, szString, t);
+    }
+}
+
+void wxLogBuffer::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
+{
+    m_str << szString << _T("\n");
+}
+
 // ----------------------------------------------------------------------------
 // wxLogStderr class implementation
 // ----------------------------------------------------------------------------
@@ -555,7 +593,8 @@ void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
         wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
         if ( traits && !traits->HasStderr() )
         {
-            wxMessageOutputDebug().Printf(_T("%s"), str.c_str());
+            wxMessageOutputDebug dbgout;
+            dbgout.Printf(_T("%s\n"), str.c_str());
         }
     }
 }
@@ -578,7 +617,7 @@ void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 {
     wxString str;
     TimeStamp(&str);
-    (*m_ostr) << str << wxConvertWX2MB(szString) << wxSTD endl;
+    (*m_ostr) << wxConvertWX2MB(str) << wxConvertWX2MB(szString) << wxSTD endl;
 }
 #endif // wxUSE_STD_IOSTREAM
 
@@ -588,7 +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);
@@ -663,9 +702,9 @@ 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
 
@@ -738,14 +777,29 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
 
     // 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');
 
@@ -760,7 +814,9 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
                 s_szBuf[len - 2] = wxT('\0');
         }
     }
-    else {
+    else
+#endif
+    {
         s_szBuf[0] = wxT('\0');
     }