Trigger wxLog auto-creation when getting old logger in wxLogChain ctor.

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

diff --git a/src/common/config.cpp b/src/common/config.cpp
index c3a5e8b8cea252d3343e7c33907a8c6d9e734ac9..1ca75fa2cfb983e1d69935457fcda7a3a6d65c17 100644 (file)
--- a/src/common/config.cpp
+++ b/src/common/config.cpp
@@ -43,6 +43,7 @@
 #include <stdlib.h>
 #include <ctype.h>
 #include <limits.h>     // for INT_MAX
+#include <float.h>      // for FLT_MAX
 
 // ----------------------------------------------------------------------------
 // global and class static variables
@@ -62,10 +63,8 @@ bool          wxConfigBase::ms_bAutoCreate = true;
 wxConfigBase *wxAppTraitsBase::CreateConfig()
 {
     return new
-    #if defined(__WXMSW__) && wxUSE_CONFIG_NATIVE
+    #if defined(__WINDOWS__) && wxUSE_CONFIG_NATIVE
         wxRegConfig(wxTheApp->GetAppName(), wxTheApp->GetVendorName());
-    #elif defined(__WXPALMOS__) && wxUSE_CONFIG_NATIVE
-        wxPrefConfig(wxTheApp->GetAppName());
     #else // either we're under Unix or wish to use files even under Windows
         wxFileConfig(wxTheApp->GetAppName());
     #endif
@@ -180,6 +179,36 @@ bool wxConfigBase::Read(const wxString& key, int *pi, int defVal) const
     return r;
 }
 
+// Read floats as doubles then just type cast it down.
+bool wxConfigBase::Read(const wxString& key, float* val) const
+{
+    wxCHECK_MSG( val, false, wxT("wxConfig::Read(): NULL parameter") );
+
+    double temp;
+    if ( !Read(key, &temp) )
+        return false;
+
+    wxCHECK_MSG( fabs(temp) <= FLT_MAX, false,
+                     wxT("float overflow in wxConfig::Read") );
+    wxCHECK_MSG( (temp == 0.0) || (fabs(temp) >= FLT_MIN), false,
+                     wxT("float underflow in wxConfig::Read") );
+
+    *val = static_cast<float>(temp);
+
+    return true;
+}
+
+bool wxConfigBase::Read(const wxString& key, float* val, float defVal) const
+{
+    wxCHECK_MSG( val, false, wxT("wxConfig::Read(): NULL parameter") );
+
+    if ( Read(key, val) )
+        return true;
+
+    *val = defVal;
+    return false;
+}
+
 // the DoReadXXX() for the other types have implementation in the base class
 // but can be overridden in the derived ones
 bool wxConfigBase::DoReadBool(const wxString& key, bool* val) const
@@ -190,7 +219,15 @@ bool wxConfigBase::DoReadBool(const wxString& key, bool* val) const
     if ( !DoReadLong(key, &l) )
         return false;
 
-    wxASSERT_MSG( l == 0 || l == 1, wxT("bad bool value in wxConfig::DoReadInt") );
+    if ( l != 0 && l != 1 )
+    {
+        // Don't assert here as this could happen in the result of user editing
+        // the file directly and this not indicate a bug in the program but
+        // still complain that something is wrong.
+        wxLogWarning(_("Invalid value %ld for a boolean key \"%s\" in "
+                       "config file."),
+                     l, key);
+    }
 
     *val = l != 0;
 
@@ -202,7 +239,14 @@ bool wxConfigBase::DoReadDouble(const wxString& key, double* val) const
     wxString str;
     if ( Read(key, &str) )
     {
-        return str.ToDouble(val);
+        if ( str.ToCDouble(val) )
+            return true;
+
+        // Previous versions of wxFileConfig wrote the numbers out using the
+        // current locale and not the C one as now, so attempt to parse the
+        // string as a number in the current locale too, for compatibility.
+        if ( str.ToDouble(val) )
+            return true;
     }
 
     return false;
@@ -225,7 +269,10 @@ wxString wxConfigBase::ExpandEnvVars(const wxString& str) const
 
 bool wxConfigBase::DoWriteDouble(const wxString& key, double val)
 {
-    return DoWriteString(key, wxString::Format(wxT("%g"), val));
+    // Notice that we always write out the numbers in C locale and not the
+    // current one. This makes the config files portable between machines using
+    // different locales.
+    return DoWriteString(key, wxString::FromCDouble(val));
 }
 
 bool wxConfigBase::DoWriteBool(const wxString& key, bool value)
@@ -241,10 +288,11 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer,
                                          const wxString& strEntry)
 {
   m_bChanged = false;
-  m_pContainer = (wxConfigBase *)pContainer;
+  m_pContainer = const_cast<wxConfigBase *>(pContainer);
 
-  // the path is everything which precedes the last slash
-  wxString strPath = strEntry.BeforeLast(wxCONFIG_PATH_SEPARATOR);
+  // the path is everything which precedes the last slash and the name is
+  // everything after it -- and this works correctly if there is no slash too
+  wxString strPath = strEntry.BeforeLast(wxCONFIG_PATH_SEPARATOR, &m_strName);
 
   // except in the special case of "/keyname" when there is nothing before "/"
   if ( strPath.empty() &&
@@ -276,13 +324,6 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer,
           m_strOldPath += wxCONFIG_PATH_SEPARATOR;
         m_pContainer->SetPath(strPath);
     }
-
-    // in any case, use the just the name, not full path
-    m_strName = strEntry.AfterLast(wxCONFIG_PATH_SEPARATOR);
-  }
-  else {
-    // it's a name only, without path - nothing to do
-    m_strName = strEntry;
   }
 }
 
@@ -344,7 +385,7 @@ enum Bracket
   Bracket_None,
   Bracket_Normal  = ')',
   Bracket_Curly   = '}',
-#ifdef  __WXMSW__
+#ifdef  __WINDOWS__
   Bracket_Windows = '%',    // yeah, Windows people are a bit strange ;-)
 #endif
   Bracket_Max
@@ -358,17 +399,17 @@ wxString wxExpandEnvVars(const wxString& str)
   size_t m;
   for ( size_t n = 0; n < str.length(); n++ ) {
     switch ( str[n].GetValue() ) {
-#ifdef  __WXMSW__
+#ifdef __WINDOWS__
       case wxT('%'):
-#endif  //WINDOWS
+#endif // __WINDOWS__
       case wxT('$'):
         {
           Bracket bracket;
-          #ifdef  __WXMSW__
+          #ifdef __WINDOWS__
             if ( str[n] == wxT('%') )
               bracket = Bracket_Windows;
             else
-          #endif  //WINDOWS
+          #endif // __WINDOWS__
           if ( n == str.length() - 1 ) {
             bracket = Bracket_None;
           }
@@ -393,7 +434,7 @@ wxString wxExpandEnvVars(const wxString& str)
 
           while ( m < str.length() && (wxIsalnum(str[m]) || str[m] == wxT('_')) )
             m++;
- 
+
           wxString strVarName(str.c_str() + n + 1, m - n - 1);
 
 #ifdef __WXWINCE__
@@ -412,7 +453,7 @@ wxString wxExpandEnvVars(const wxString& str)
 #endif
           {
             // variable doesn't exist => don't change anything
-            #ifdef  __WXMSW__
+            #ifdef  __WINDOWS__
               if ( bracket != Bracket_Windows )
             #endif
                 if ( bracket != Bracket_None )
@@ -429,10 +470,10 @@ wxString wxExpandEnvVars(const wxString& str)
               //
               // under Unix, OTOH, this warning could be useful for the user to
               // understand why isn't the variable expanded as intended
-              #ifndef __WXMSW__
+              #ifndef __WINDOWS__
                 wxLogWarning(_("Environment variables expansion failed: missing '%c' at position %u in '%s'."),
                              (char)bracket, (unsigned int) (m + 1), str.c_str());
-              #endif // __WXMSW__
+              #endif // __WINDOWS__
             }
             else {
               // skip closing bracket unless the variables wasn't expanded