removed compiler warnings about assignments in logical expressions

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

diff --git a/src/common/config.cpp b/src/common/config.cpp
index e3286e8aaa21e5d83bef2d432782bfe392b3c58a..1b614016b2750f3951157b227aff3b60d4e37490 100644 (file)
--- a/src/common/config.cpp
+++ b/src/common/config.cpp
@@ -27,7 +27,7 @@
     #define wxUSE_CONFIG_NATIVE 1
 #endif
 
-#if wxUSE_CONFIG && ((wxUSE_FILE && wxUSE_TEXTFILE) || wxUSE_CONFIG_NATIVE))
+#if wxUSE_CONFIG && ((wxUSE_FILE && wxUSE_TEXTFILE) || wxUSE_CONFIG_NATIVE)
 
 #include "wx/app.h"
 #include "wx/file.h"
@@ -42,7 +42,7 @@
 
 #include <stdlib.h>
 #include <math.h>
-#include <ctype.h>    // for isalnum()
+#include <ctype.h>
 
 // ----------------------------------------------------------------------------
 // global and class static variables
@@ -59,15 +59,22 @@ bool          wxConfigBase::ms_bAutoCreate = TRUE;
 // wxConfigBase
 // ----------------------------------------------------------------------------
 
-// Not all args will always be used by derived classes, but
-// including them all in each class ensures compatibility.
-wxConfigBase::wxConfigBase(const wxString& appName, const wxString& vendorName,
-    const wxString& WXUNUSED(localFilename), const wxString& WXUNUSED(globalFilename), long style):
-        m_appName(appName), m_vendorName(vendorName), m_style(style)
+// Not all args will always be used by derived classes, but including them all
+// in each class ensures compatibility.
+wxConfigBase::wxConfigBase(const wxString& appName,
+                           const wxString& vendorName,
+                           const wxString& WXUNUSED(localFilename),
+                           const wxString& WXUNUSED(globalFilename),
+                           long style)
+            : m_appName(appName), m_vendorName(vendorName), m_style(style)
 {
     m_bExpandEnvVars = TRUE; m_bRecordDefaults = FALSE;
 }
 
+wxConfigBase::~wxConfigBase()
+{
+}
+
 wxConfigBase *wxConfigBase::Set(wxConfigBase *pConfig)
 {
   wxConfigBase *pOld = ms_pConfig;
@@ -125,13 +132,12 @@ bool wxConfigBase::Read(const wxString& key, long *pl, long defVal) const
 bool wxConfigBase::Read(const wxString& key, double* val) const
 {
     wxString str;
-    if (Read(key, & str))
+    if ( Read(key, &str) )
     {
-        *val = wxAtof(str);
-        return TRUE;
+        return str.ToDouble(val);
     }
-    else
-        return FALSE;
+
+    return FALSE;
 }
 
 bool wxConfigBase::Read(const wxString& key, double* val, double defVal) const
@@ -183,28 +189,29 @@ bool wxConfigBase::Read(const wxString& key, int *pi, int defVal) const
 {
     long l;
     bool ret = Read(key, &l, (long) defVal);
-    *pi = (int) l;
+    if (ret)
+        *pi = (int) l;
     return ret;
 }
 
 bool wxConfigBase::Write(const wxString& key, double val)
 {
     wxString str;
-    str.Printf(wxT("%f"), val);
+    str.Printf(wxT("%g"), val);
     return Write(key, str);
 }
 
 bool wxConfigBase::Write(const wxString& key, bool value)
 {
-    long l = (value ? 1 : 0);
-    return Write(key, l);
+    return Write(key, value ? 1l : 0l);
 }
 
-bool wxConfigBase::Write( const wxString &key, const wxChar *text )
+bool wxConfigBase::Write(const wxString& key, const wxChar *value)
 {
-       wxString str( text ) ;
-       return Write( key, str ) ;
+    // explicit cast needed, otherwise value would have been converted to bool
+    return Write(key, wxString(value));
 }
+
 wxString wxConfigBase::ExpandEnvVars(const wxString& str) const
 {
     wxString tmp; // Required for BC++
@@ -239,7 +246,9 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer,
     m_bChanged = TRUE;
     m_strName = strEntry.AfterLast(wxCONFIG_PATH_SEPARATOR);
     m_strOldPath = m_pContainer->GetPath();
-    m_strOldPath += wxCONFIG_PATH_SEPARATOR;
+    if ( m_strOldPath.Len() == 0 || 
+         m_strOldPath.Last() != wxCONFIG_PATH_SEPARATOR )
+        m_strOldPath += wxCONFIG_PATH_SEPARATOR;
     m_pContainer->SetPath(strPath);
   }
   else {
@@ -285,13 +294,13 @@ wxString wxExpandEnvVars(const wxString& str)
   for ( size_t n = 0; n < str.Len(); n++ ) {
     switch ( str[n] ) {
 #ifdef  __WXMSW__
-      case '%':
+      case wxT('%'):
 #endif  //WINDOWS
-      case '$':
+      case wxT('$'):
         {
           Bracket bracket;
           #ifdef  __WXMSW__
-            if ( str[n] == '%' )
+            if ( str[n] == wxT('%') )
               bracket = Bracket_Windows;
             else
           #endif  //WINDOWS
@@ -300,12 +309,12 @@ wxString wxExpandEnvVars(const wxString& str)
           }
           else {
             switch ( str[n + 1] ) {
-              case '(':
+              case wxT('('):
                 bracket = Bracket_Normal;
                 n++;                   // skip the bracket
                 break;
 
-              case '{':
+              case wxT('{'):
                 bracket = Bracket_Curly;
                 n++;                   // skip the bracket
                 break;
@@ -317,7 +326,7 @@ wxString wxExpandEnvVars(const wxString& str)
 
           m = n + 1;
 
-          while ( m < str.Len() && (isalnum(str[m]) || str[m] == '_') )
+          while ( m < str.Len() && (wxIsalnum(str[m]) || str[m] == wxT('_')) )
             m++;
 
           wxString strVarName(str.c_str() + n + 1, m - n - 1);
@@ -339,8 +348,7 @@ wxString wxExpandEnvVars(const wxString& str)
           // check the closing bracket
           if ( bracket != Bracket_None ) {
             if ( m == str.Len() || str[m] != (char)bracket ) {
-              wxLogWarning(_("Environment variables expansion failed: "
-                            "missing '%c' at position %d in '%s'."),
+              wxLogWarning(_("Environment variables expansion failed: missing '%c' at position %d in '%s'."),
                            (char)bracket, m + 1, str.c_str());
             }
             else {
@@ -357,7 +365,7 @@ wxString wxExpandEnvVars(const wxString& str)
 
       case '\\':
         // backslash can be used to suppress special meaning of % and $
-        if ( n != str.Len() && (str[n + 1] == '%' || str[n + 1] == '$') ) {
+        if ( n != str.Len() && (str[n + 1] == wxT('%') || str[n + 1] == wxT('$')) ) {
           strResult += str[++n];
 
           break;
@@ -401,7 +409,7 @@ void wxSplitPath(wxArrayString& aParts, const wxChar *sz)
         // could log an error here, but we prefer to ignore extra '/'
 
       if ( *pc == wxT('\0') )
-        return;
+        break;
     }
     else
       strCurrent += *pc;