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Add wxDataViewModel::ChangeValue() and use it in wxDVC implementation.
[wxWidgets.git] / src / common / cmdline.cpp
diff --git a/src/common/cmdline.cpp b/src/common/cmdline.cpp
index 1b62b060a3a69b88ece9ca73c4bab95c884a4f93..1a143d476c342b6e2f7f53d05c96e8ba21fef375 100644 (file)
--- a/src/common/cmdline.cpp
+++ b/src/common/cmdline.cpp
@@ -73,21 +73,27 @@ struct wxCmdLineOption
                     wxCmdLineParamType typ,
                     int fl)
     {
                     wxCmdLineParamType typ,
                     int fl)
     {
-        wxASSERT_MSG( !shrt.empty() || !lng.empty(),
-                      _T("option should have at least one name") );
-
-        wxASSERT_MSG
-        (
-            GetShortOptionName(shrt.begin(), shrt.end()).Len() == shrt.Len(),
-            wxT("Short option contains invalid characters")
-        );
-
-        wxASSERT_MSG
-        (
-            GetLongOptionName(lng.begin(), lng.end()).Len() == lng.Len(),
-            wxT("Long option contains invalid characters")
-        );
-
+        // wxCMD_LINE_USAGE_TEXT uses only description, shortName and longName is empty
+        if ( k != wxCMD_LINE_USAGE_TEXT )
+        {
+            wxASSERT_MSG
+            (
+                !shrt.empty() || !lng.empty(),
+                 wxT("option should have at least one name")
+            );
+
+            wxASSERT_MSG
+            (
+                GetShortOptionName(shrt.begin(), shrt.end()).Len() == shrt.Len(),
+                wxT("Short option contains invalid characters")
+            );
+
+            wxASSERT_MSG
+            (
+                GetLongOptionName(lng.begin(), lng.end()).Len() == lng.Len(),
+                wxT("Long option contains invalid characters")
+            );
+        }
 
         kind = k;
 
 
         kind = k;
 
@@ -108,9 +114,11 @@ struct wxCmdLineOption
 
     void Check(wxCmdLineParamType WXUNUSED_UNLESS_DEBUG(typ)) const
     {
 
     void Check(wxCmdLineParamType WXUNUSED_UNLESS_DEBUG(typ)) const
     {
-        wxASSERT_MSG( type == typ, _T("type mismatch in wxCmdLineOption") );
+        wxASSERT_MSG( type == typ, wxT("type mismatch in wxCmdLineOption") );
     }
 
     }
 
+    double GetDoubleVal() const
+        { Check(wxCMD_LINE_VAL_DOUBLE); return m_doubleVal; }
     long GetLongVal() const
         { Check(wxCMD_LINE_VAL_NUMBER); return m_longVal; }
     const wxString& GetStrVal() const
     long GetLongVal() const
         { Check(wxCMD_LINE_VAL_NUMBER); return m_longVal; }
     const wxString& GetStrVal() const
@@ -120,6 +128,8 @@ struct wxCmdLineOption
         { Check(wxCMD_LINE_VAL_DATE);   return m_dateVal; }
 #endif // wxUSE_DATETIME
 
         { Check(wxCMD_LINE_VAL_DATE);   return m_dateVal; }
 #endif // wxUSE_DATETIME
 
+    void SetDoubleVal(double val)
+        { Check(wxCMD_LINE_VAL_DOUBLE); m_doubleVal = val; m_hasVal = true; }
     void SetLongVal(long val)
         { Check(wxCMD_LINE_VAL_NUMBER); m_longVal = val; m_hasVal = true; }
     void SetStrVal(const wxString& val)
     void SetLongVal(long val)
         { Check(wxCMD_LINE_VAL_NUMBER); m_longVal = val; m_hasVal = true; }
     void SetStrVal(const wxString& val)
@@ -143,6 +153,7 @@ public:
 private:
     bool m_hasVal;
 
 private:
     bool m_hasVal;
 
+    double m_doubleVal;
     long m_longVal;
     wxString m_strVal;
 #if wxUSE_DATETIME
     long m_longVal;
     wxString m_strVal;
 #if wxUSE_DATETIME
@@ -213,9 +224,9 @@ wxCmdLineParserData::wxCmdLineParserData()
 {
     m_enableLongOptions = true;
 #ifdef __UNIX_LIKE__
 {
     m_enableLongOptions = true;
 #ifdef __UNIX_LIKE__
-    m_switchChars = _T("-");
+    m_switchChars = wxT("-");
 #else // !Unix
 #else // !Unix
-    m_switchChars = _T("/-");
+    m_switchChars = wxT("/-");
 #endif
 }
 
 #endif
 }
 
@@ -348,7 +359,7 @@ void wxCmdLineParser::EnableLongOptions(bool enable)
     m_data->m_enableLongOptions = enable;
 }
 
     m_data->m_enableLongOptions = enable;
 }
 
-bool wxCmdLineParser::AreLongOptionsEnabled()
+bool wxCmdLineParser::AreLongOptionsEnabled() const
 {
     return m_data->m_enableLongOptions;
 }
 {
     return m_data->m_enableLongOptions;
 }
@@ -385,8 +396,12 @@ void wxCmdLineParser::SetDesc(const wxCmdLineEntryDesc *desc)
                          desc->type, desc->flags);
                 break;
 
                          desc->type, desc->flags);
                 break;
 
+            case wxCMD_LINE_USAGE_TEXT:
+                AddUsageText(wxGetTranslation(desc->description));
+                break;
+
             default:
             default:
-                wxFAIL_MSG( _T("unknown command line entry type") );
+                wxFAIL_MSG( wxT("unknown command line entry type") );
                 // still fall through
 
             case wxCMD_LINE_NONE:
                 // still fall through
 
             case wxCMD_LINE_NONE:
@@ -401,7 +416,7 @@ void wxCmdLineParser::AddSwitch(const wxString& shortName,
                                 int flags)
 {
     wxASSERT_MSG( m_data->FindOption(shortName) == wxNOT_FOUND,
                                 int flags)
 {
     wxASSERT_MSG( m_data->FindOption(shortName) == wxNOT_FOUND,
-                  _T("duplicate switch") );
+                  wxT("duplicate switch") );
 
     wxCmdLineOption *option = new wxCmdLineOption(wxCMD_LINE_SWITCH,
                                                   shortName, longName, desc,
 
     wxCmdLineOption *option = new wxCmdLineOption(wxCMD_LINE_SWITCH,
                                                   shortName, longName, desc,
@@ -417,7 +432,7 @@ void wxCmdLineParser::AddOption(const wxString& shortName,
                                 int flags)
 {
     wxASSERT_MSG( m_data->FindOption(shortName) == wxNOT_FOUND,
                                 int flags)
 {
     wxASSERT_MSG( m_data->FindOption(shortName) == wxNOT_FOUND,
-                  _T("duplicate option") );
+                  wxT("duplicate option") );
 
     wxCmdLineOption *option = new wxCmdLineOption(wxCMD_LINE_OPTION,
                                                   shortName, longName, desc,
 
     wxCmdLineOption *option = new wxCmdLineOption(wxCMD_LINE_OPTION,
                                                   shortName, longName, desc,
@@ -432,27 +447,38 @@ void wxCmdLineParser::AddParam(const wxString& desc,
 {
     // do some consistency checks: a required parameter can't follow an
     // optional one and nothing should follow a parameter with MULTIPLE flag
 {
     // do some consistency checks: a required parameter can't follow an
     // optional one and nothing should follow a parameter with MULTIPLE flag
-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL
     if ( !m_data->m_paramDesc.IsEmpty() )
     {
         wxCmdLineParam& param = m_data->m_paramDesc.Last();
 
         wxASSERT_MSG( !(param.flags & wxCMD_LINE_PARAM_MULTIPLE),
     if ( !m_data->m_paramDesc.IsEmpty() )
     {
         wxCmdLineParam& param = m_data->m_paramDesc.Last();
 
         wxASSERT_MSG( !(param.flags & wxCMD_LINE_PARAM_MULTIPLE),
-                      _T("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style will be ignored") );
+                      wxT("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style will be ignored") );
 
         if ( !(flags & wxCMD_LINE_PARAM_OPTIONAL) )
         {
             wxASSERT_MSG( !(param.flags & wxCMD_LINE_PARAM_OPTIONAL),
 
         if ( !(flags & wxCMD_LINE_PARAM_OPTIONAL) )
         {
             wxASSERT_MSG( !(param.flags & wxCMD_LINE_PARAM_OPTIONAL),
-                          _T("a required parameter can't follow an optional one") );
+                          wxT("a required parameter can't follow an optional one") );
         }
     }
         }
     }
-#endif // Debug
+#endif // wxDEBUG_LEVEL
 
     wxCmdLineParam *param = new wxCmdLineParam(desc, type, flags);
 
     m_data->m_paramDesc.Add(param);
 }
 
 
     wxCmdLineParam *param = new wxCmdLineParam(desc, type, flags);
 
     m_data->m_paramDesc.Add(param);
 }
 
+void wxCmdLineParser::AddUsageText(const wxString& text)
+{
+    wxASSERT_MSG( !text.empty(), wxT("text can't be empty") );
+
+    wxCmdLineOption *option = new wxCmdLineOption(wxCMD_LINE_USAGE_TEXT,
+                                                  wxEmptyString, wxEmptyString,
+                                                  text, wxCMD_LINE_VAL_NONE, 0);
+
+    m_data->m_options.Add(option);
+}
+
 // ----------------------------------------------------------------------------
 // access to parse command line
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // access to parse command line
 // ----------------------------------------------------------------------------
@@ -463,7 +489,7 @@ bool wxCmdLineParser::Found(const wxString& name) const
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
-    wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown switch") );
+    wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown switch") );
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
@@ -478,13 +504,13 @@ bool wxCmdLineParser::Found(const wxString& name, wxString *value) const
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
-    wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown option") );
+    wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") );
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
         return false;
 
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
         return false;
 
-    wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );
+    wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") );
 
     *value = opt.GetStrVal();
 
 
     *value = opt.GetStrVal();
 
@@ -497,19 +523,38 @@ bool wxCmdLineParser::Found(const wxString& name, long *value) const
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
-    wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown option") );
+    wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") );
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
         return false;
 
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
         return false;
 
-    wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );
+    wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") );
 
     *value = opt.GetLongVal();
 
     return true;
 }
 
 
     *value = opt.GetLongVal();
 
     return true;
 }
 
+bool wxCmdLineParser::Found(const wxString& name, double *value) const
+{
+    int i = m_data->FindOption(name);
+    if ( i == wxNOT_FOUND )
+        i = m_data->FindOptionByLongName(name);
+
+    wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") );
+
+    wxCmdLineOption& opt = m_data->m_options[(size_t)i];
+    if ( !opt.HasValue() )
+        return false;
+
+    wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") );
+
+    *value = opt.GetDoubleVal();
+
+    return true;
+}
+
 #if wxUSE_DATETIME
 bool wxCmdLineParser::Found(const wxString& name, wxDateTime *value) const
 {
 #if wxUSE_DATETIME
 bool wxCmdLineParser::Found(const wxString& name, wxDateTime *value) const
 {
@@ -517,13 +562,13 @@ bool wxCmdLineParser::Found(const wxString& name, wxDateTime *value) const
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
-    wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown option") );
+    wxCHECK_MSG( i != wxNOT_FOUND, false, wxT("unknown option") );
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
         return false;
 
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
         return false;
 
-    wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );
+    wxCHECK_MSG( value, false, wxT("NULL pointer in wxCmdLineOption::Found") );
 
     *value = opt.GetDateVal();
 
 
     *value = opt.GetDateVal();
 
@@ -538,7 +583,7 @@ size_t wxCmdLineParser::GetParamCount() const
 
 wxString wxCmdLineParser::GetParam(size_t n) const
 {
 
 wxString wxCmdLineParser::GetParam(size_t n) const
 {
-    wxCHECK_MSG( n < GetParamCount(), wxEmptyString, _T("invalid param index") );
+    wxCHECK_MSG( n < GetParamCount(), wxEmptyString, wxT("invalid param index") );
 
     return m_data->m_parameters[n];
 }
 
     return m_data->m_parameters[n];
 }
@@ -582,7 +627,7 @@ int wxCmdLineParser::Parse(bool showUsage)
         // special case: "--" should be discarded and all following arguments
         // should be considered as parameters, even if they start with '-' and
         // not like options (this is POSIX-like)
         // special case: "--" should be discarded and all following arguments
         // should be considered as parameters, even if they start with '-' and
         // not like options (this is POSIX-like)
-        if ( arg == _T("--") )
+        if ( arg == wxT("--") )
         {
             maybeOption = false;
 
         {
             maybeOption = false;
 
@@ -599,7 +644,7 @@ int wxCmdLineParser::Parse(bool showUsage)
             int optInd = wxNOT_FOUND;   // init to suppress warnings
 
             // an option or a switch: find whether it's a long or a short one
             int optInd = wxNOT_FOUND;   // init to suppress warnings
 
             // an option or a switch: find whether it's a long or a short one
-            if ( arg.length() >= 3 && arg[0u] == _T('-') && arg[1u] == _T('-') )
+            if ( arg.length() >= 3 && arg[0u] == wxT('-') && arg[1u] == wxT('-') )
             {
                 // a long one
                 isLong = true;
             {
                 // a long one
                 isLong = true;
@@ -617,7 +662,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                     if ( optInd == wxNOT_FOUND )
                     {
                         errorMsg << wxString::Format(_("Unknown long option '%s'"), name.c_str())
                     if ( optInd == wxNOT_FOUND )
                     {
                         errorMsg << wxString::Format(_("Unknown long option '%s'"), name.c_str())
-                                 << _T('\n');
+                                 << wxT('\n');
                     }
                 }
                 else
                     }
                 }
                 else
@@ -627,7 +672,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                     // Print the argument including leading "--"
                     name.Prepend( wxT("--") );
                     errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str())
                     // Print the argument including leading "--"
                     name.Prepend( wxT("--") );
                     errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str())
-                             << _T('\n');
+                             << wxT('\n');
                 }
 
             }
                 }
 
             }
@@ -649,7 +694,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                         // we couldn't find a valid option name in the
                         // beginning of this string
                         errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str())
                         // we couldn't find a valid option name in the
                         // beginning of this string
                         errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str())
-                                 << _T('\n');
+                                 << wxT('\n');
 
                         break;
                     }
 
                         break;
                     }
@@ -684,6 +729,10 @@ int wxCmdLineParser::Parse(bool showUsage)
                         m_data->m_arguments.insert
                             (m_data->m_arguments.begin() + n + 1, arg2);
                         count++;
                         m_data->m_arguments.insert
                             (m_data->m_arguments.begin() + n + 1, arg2);
                         count++;
+
+                        // only leave the part which wasn't extracted into the
+                        // next argument in this one
+                        arg = arg.Left(len + 1);
                     }
                     //else: it's our value, we'll deal with it below
                 }
                     }
                     //else: it's our value, we'll deal with it below
                 }
@@ -712,7 +761,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                 if ( p != arg.end() )
                 {
                     errorMsg << wxString::Format(_("Unexpected characters following option '%s'."), name.c_str())
                 if ( p != arg.end() )
                 {
                     errorMsg << wxString::Format(_("Unexpected characters following option '%s'."), name.c_str())
-                             << _T('\n');
+                             << wxT('\n');
                     ok = false;
                 }
                 else // no value, as expected
                     ok = false;
                 }
                 else // no value, as expected
@@ -731,22 +780,22 @@ int wxCmdLineParser::Parse(bool showUsage)
             }
             else // it's an option. not a switch
             {
             }
             else // it's an option. not a switch
             {
-                switch ( (*p).GetValue() )
+                switch ( p == end ? '\0' : (*p).GetValue() )
                 {
                 {
-                    case _T('='):
-                    case _T(':'):
+                    case '=':
+                    case ':':
                         // the value follows
                         ++p;
                         break;
 
                         // the value follows
                         ++p;
                         break;
 
-                    case 0:
+                    case '\0':
                         // the value is in the next argument
                         if ( ++n == count )
                         {
                             // ... but there is none
                             errorMsg << wxString::Format(_("Option '%s' requires a value."),
                                                          name.c_str())
                         // the value is in the next argument
                         if ( ++n == count )
                         {
                             // ... but there is none
                             errorMsg << wxString::Format(_("Option '%s' requires a value."),
                                                          name.c_str())
-                                     << _T('\n');
+                                     << wxT('\n');
 
                             ok = false;
                         }
 
                             ok = false;
                         }
@@ -765,7 +814,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                         {
                             errorMsg << wxString::Format(_("Separator expected after the option '%s'."),
                                                          name.c_str())
                         {
                             errorMsg << wxString::Format(_("Separator expected after the option '%s'."),
                                                          name.c_str())
-                                    << _T('\n');
+                                    << wxT('\n');
 
                             ok = false;
                         }
 
                             ok = false;
                         }
@@ -777,7 +826,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                     switch ( opt.type )
                     {
                         default:
                     switch ( opt.type )
                     {
                         default:
-                            wxFAIL_MSG( _T("unknown option type") );
+                            wxFAIL_MSG( wxT("unknown option type") );
                             // still fall through
 
                         case wxCMD_LINE_VAL_STRING:
                             // still fall through
 
                         case wxCMD_LINE_VAL_STRING:
@@ -795,7 +844,25 @@ int wxCmdLineParser::Parse(bool showUsage)
                                 {
                                     errorMsg << wxString::Format(_("'%s' is not a correct numeric value for option '%s'."),
                                                                  value.c_str(), name.c_str())
                                 {
                                     errorMsg << wxString::Format(_("'%s' is not a correct numeric value for option '%s'."),
                                                                  value.c_str(), name.c_str())
-                                             << _T('\n');
+                                             << wxT('\n');
+
+                                    ok = false;
+                                }
+                            }
+                            break;
+
+                        case wxCMD_LINE_VAL_DOUBLE:
+                            {
+                                double val;
+                                if ( value.ToDouble(&val) )
+                                {
+                                    opt.SetDoubleVal(val);
+                                }
+                                else
+                                {
+                                    errorMsg << wxString::Format(_("'%s' is not a correct numeric value for option '%s'."),
+                                                                 value.c_str(), name.c_str())
+                                             << wxT('\n');
 
                                     ok = false;
                                 }
 
                                     ok = false;
                                 }
@@ -806,12 +873,12 @@ int wxCmdLineParser::Parse(bool showUsage)
                         case wxCMD_LINE_VAL_DATE:
                             {
                                 wxDateTime dt;
                         case wxCMD_LINE_VAL_DATE:
                             {
                                 wxDateTime dt;
-                                const char *res = dt.ParseDate(value);
-                                if ( !res || *res )
+                                wxString::const_iterator end;
+                                if ( !dt.ParseDate(value, &end) || end != value.end() )
                                 {
                                     errorMsg << wxString::Format(_("Option '%s': '%s' cannot be converted to a date."),
                                                                  name.c_str(), value.c_str())
                                 {
                                     errorMsg << wxString::Format(_("Option '%s': '%s' cannot be converted to a date."),
                                                                  name.c_str(), value.c_str())
-                                             << _T('\n');
+                                             << wxT('\n');
 
                                     ok = false;
                                 }
 
                                     ok = false;
                                 }
@@ -843,7 +910,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                 else
                 {
                     wxASSERT_MSG( currentParam == countParam - 1,
                 else
                 {
                     wxASSERT_MSG( currentParam == countParam - 1,
-                                  _T("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style are ignored") );
+                                  wxT("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style are ignored") );
 
                     // remember that we did have this last repeatable parameter
                     hadRepeatableParam = true;
 
                     // remember that we did have this last repeatable parameter
                     hadRepeatableParam = true;
@@ -852,7 +919,7 @@ int wxCmdLineParser::Parse(bool showUsage)
             else
             {
                 errorMsg << wxString::Format(_("Unexpected parameter '%s'"), arg.c_str())
             else
             {
                 errorMsg << wxString::Format(_("Unexpected parameter '%s'"), arg.c_str())
-                         << _T('\n');
+                         << wxT('\n');
 
                 ok = false;
             }
 
                 ok = false;
             }
@@ -890,7 +957,7 @@ int wxCmdLineParser::Parse(bool showUsage)
 
                 errorMsg << wxString::Format(_("The value for the option '%s' must be specified."),
                                              optName.c_str())
 
                 errorMsg << wxString::Format(_("The value for the option '%s' must be specified."),
                                              optName.c_str())
-                         << _T('\n');
+                         << wxT('\n');
 
                 ok = false;
             }
 
                 ok = false;
             }
@@ -912,7 +979,7 @@ int wxCmdLineParser::Parse(bool showUsage)
             {
                 errorMsg << wxString::Format(_("The required parameter '%s' was not specified."),
                                              param.description.c_str())
             {
                 errorMsg << wxString::Format(_("The required parameter '%s' was not specified."),
                                              param.description.c_str())
-                         << _T('\n');
+                         << wxT('\n');
 
                 ok = false;
             }
 
                 ok = false;
             }
@@ -934,7 +1001,7 @@ int wxCmdLineParser::Parse(bool showUsage)
         }
         else
         {
         }
         else
         {
-            wxFAIL_MSG( _T("no wxMessageOutput object?") );
+            wxFAIL_MSG( wxT("no wxMessageOutput object?") );
         }
     }
 
         }
     }
 
@@ -945,7 +1012,7 @@ int wxCmdLineParser::Parse(bool showUsage)
 // give the usage message
 // ----------------------------------------------------------------------------
 
 // give the usage message
 // ----------------------------------------------------------------------------
 
-void wxCmdLineParser::Usage()
+void wxCmdLineParser::Usage() const
 {
     wxMessageOutput* msgOut = wxMessageOutput::Get();
     if ( msgOut )
 {
     wxMessageOutput* msgOut = wxMessageOutput::Get();
     if ( msgOut )
@@ -954,11 +1021,11 @@ void wxCmdLineParser::Usage()
     }
     else
     {
     }
     else
     {
-        wxFAIL_MSG( _T("no wxMessageOutput object?") );
+        wxFAIL_MSG( wxT("no wxMessageOutput object?") );
     }
 }
 
     }
 }
 
-wxString wxCmdLineParser::GetUsageString()
+wxString wxCmdLineParser::GetUsageString() const
 {
     wxString appname;
     if ( m_data->m_arguments.empty() )
 {
     wxString appname;
     if ( m_data->m_arguments.empty() )
@@ -979,14 +1046,14 @@ wxString wxCmdLineParser::GetUsageString()
 
     if ( !m_data->m_logo.empty() )
     {
 
     if ( !m_data->m_logo.empty() )
     {
-        usage << m_data->m_logo << _T('\n');
+        usage << m_data->m_logo << wxT('\n');
     }
 
     usage << wxString::Format(_("Usage: %s"), appname.c_str());
 
     // the switch char is usually '-' but this can be changed with
     // SetSwitchChars() and then the first one of possible chars is used
     }
 
     usage << wxString::Format(_("Usage: %s"), appname.c_str());
 
     // the switch char is usually '-' but this can be changed with
     // SetSwitchChars() and then the first one of possible chars is used
-    wxChar chSwitch = !m_data->m_switchChars ? _T('-')
+    wxChar chSwitch = !m_data->m_switchChars ? wxT('-')
                                              : m_data->m_switchChars[0u];
 
     bool areLongOptionsEnabled = AreLongOptionsEnabled();
                                              : m_data->m_switchChars[0u];
 
     bool areLongOptionsEnabled = AreLongOptionsEnabled();
@@ -994,58 +1061,60 @@ wxString wxCmdLineParser::GetUsageString()
     for ( n = 0; n < count; n++ )
     {
         wxCmdLineOption& opt = m_data->m_options[n];
     for ( n = 0; n < count; n++ )
     {
         wxCmdLineOption& opt = m_data->m_options[n];
+        wxString option;
 
 
-        usage << _T(' ');
-        if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
+        if ( opt.kind != wxCMD_LINE_USAGE_TEXT )
         {
         {
-            usage << _T('[');
-        }
+            usage << wxT(' ');
+            if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
+            {
+                usage << wxT('[');
+            }
 
 
-        if ( !opt.shortName.empty() )
-        {
-            usage << chSwitch << opt.shortName;
-        }
-        else if ( areLongOptionsEnabled && !opt.longName.empty() )
-        {
-            usage << _T("--") << opt.longName;
-        }
-        else
-        {
-            if (!opt.longName.empty())
+            if ( !opt.shortName.empty() )
+            {
+                usage << chSwitch << opt.shortName;
+            }
+            else if ( areLongOptionsEnabled && !opt.longName.empty() )
             {
             {
-                wxFAIL_MSG( wxT("option with only a long name while long ")
-                            wxT("options are disabled") );
+                usage << wxT("--") << opt.longName;
             }
             else
             {
             }
             else
             {
-                wxFAIL_MSG( _T("option without neither short nor long name") );
+                if (!opt.longName.empty())
+                {
+                    wxFAIL_MSG( wxT("option with only a long name while long ")
+                                wxT("options are disabled") );
+                }
+                else
+                {
+                    wxFAIL_MSG( wxT("option without neither short nor long name") );
+                }
             }
             }
-        }
 
 
-        wxString option;
-
-        if ( !opt.shortName.empty() )
-        {
-            option << _T("  ") << chSwitch << opt.shortName;
-        }
+            if ( !opt.shortName.empty() )
+            {
+                option << wxT("  ") << chSwitch << opt.shortName;
+            }
 
 
-        if ( areLongOptionsEnabled && !opt.longName.empty() )
-        {
-            option << (option.empty() ? _T("  ") : _T(", "))
-                   << _T("--") << opt.longName;
-        }
+            if ( areLongOptionsEnabled && !opt.longName.empty() )
+            {
+                option << (option.empty() ? wxT("  ") : wxT(", "))
+                       << wxT("--") << opt.longName;
+            }
 
 
-        if ( opt.kind != wxCMD_LINE_SWITCH )
-        {
-            wxString val;
-            val << _T('<') << GetTypeName(opt.type) << _T('>');
-            usage << _T(' ') << val;
-            option << (!opt.longName ? _T(':') : _T('=')) << val;
-        }
+            if ( opt.kind != wxCMD_LINE_SWITCH )
+            {
+                wxString val;
+                val << wxT('<') << GetTypeName(opt.type) << wxT('>');
+                usage << wxT(' ') << val;
+                option << (!opt.longName ? wxT(':') : wxT('=')) << val;
+            }
 
 
-        if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
-        {
-            usage << _T(']');
+            if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
+            {
+                usage << wxT(']');
+            }
         }
 
         namesOptions.push_back(option);
         }
 
         namesOptions.push_back(option);
@@ -1057,26 +1126,26 @@ wxString wxCmdLineParser::GetUsageString()
     {
         wxCmdLineParam& param = m_data->m_paramDesc[n];
 
     {
         wxCmdLineParam& param = m_data->m_paramDesc[n];
 
-        usage << _T(' ');
+        usage << wxT(' ');
         if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL )
         {
         if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL )
         {
-            usage << _T('[');
+            usage << wxT('[');
         }
 
         usage << param.description;
 
         if ( param.flags & wxCMD_LINE_PARAM_MULTIPLE )
         {
         }
 
         usage << param.description;
 
         if ( param.flags & wxCMD_LINE_PARAM_MULTIPLE )
         {
-            usage << _T("...");
+            usage << wxT("...");
         }
 
         if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL )
         {
         }
 
         if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL )
         {
-            usage << _T(']');
+            usage << wxT(']');
         }
     }
 
         }
     }
 
-    usage << _T('\n');
+    usage << wxT('\n');
 
     // set to number of our own options, not counting the standard ones
     count = namesOptions.size();
 
     // set to number of our own options, not counting the standard ones
     count = namesOptions.size();
@@ -1099,13 +1168,21 @@ wxString wxCmdLineParser::GetUsageString()
     for ( n = 0; n < namesOptions.size(); n++ )
     {
         if ( n == count )
     for ( n = 0; n < namesOptions.size(); n++ )
     {
         if ( n == count )
-            usage << _T('\n') << stdDesc;
+            usage << wxT('\n') << stdDesc;
 
         len = namesOptions[n].length();
 
         len = namesOptions[n].length();
-        usage << namesOptions[n]
-              << wxString(_T(' '), lenMax - len) << _T('\t')
-              << descOptions[n]
-              << _T('\n');
+        // desc contains text if name is empty
+        if (len == 0)
+        {
+            usage << descOptions[n] << wxT('\n');
+        }
+        else
+        {
+            usage << namesOptions[n]
+                  << wxString(wxT(' '), lenMax - len) << wxT('\t')
+                  << descOptions[n]
+                  << wxT('\n');
+        }
     }
 
     return usage;
     }
 
     return usage;
@@ -1121,7 +1198,7 @@ static wxString GetTypeName(wxCmdLineParamType type)
     switch ( type )
     {
         default:
     switch ( type )
     {
         default:
-            wxFAIL_MSG( _T("unknown option type") );
+            wxFAIL_MSG( wxT("unknown option type") );
             // still fall through
 
         case wxCMD_LINE_VAL_STRING:
             // still fall through
 
         case wxCMD_LINE_VAL_STRING:
@@ -1132,6 +1209,10 @@ static wxString GetTypeName(wxCmdLineParamType type)
             s = _("num");
             break;
 
             s = _("num");
             break;
 
+        case wxCMD_LINE_VAL_DOUBLE:
+            s = _("double");
+            break;
+
         case wxCMD_LINE_VAL_DATE:
             s = _("date");
             break;
         case wxCMD_LINE_VAL_DATE:
             s = _("date");
             break;
@@ -1200,35 +1281,40 @@ static wxString GetLongOptionName(wxString::const_iterator p,
  */
 
 /* static */
  */
 
 /* static */
-wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxString& cmdline)
+wxArrayString
+wxCmdLineParser::ConvertStringToArgs(const wxString& cmdline,
+                                     wxCmdLineSplitType type)
 {
     wxArrayString args;
 
     wxString arg;
     arg.reserve(1024);
 
 {
     wxArrayString args;
 
     wxString arg;
     arg.reserve(1024);
 
-    bool isInsideQuotes = false;
-
+    const wxString::const_iterator end = cmdline.end();
     wxString::const_iterator p = cmdline.begin();
 
     for ( ;; )
     {
         // skip white space
     wxString::const_iterator p = cmdline.begin();
 
     for ( ;; )
     {
         // skip white space
-        while ( p != cmdline.end() && (*p == _T(' ') || *p == _T('\t')) )
+        while ( p != end && (*p == ' ' || *p == '\t') )
             ++p;
 
         // anything left?
             ++p;
 
         // anything left?
-        if ( p == cmdline.end() )
+        if ( p == end )
             break;
 
         // parse this parameter
             break;
 
         // parse this parameter
-        bool endParam = false;
-        bool lastBS = false;
-        for ( arg.clear(); !endParam; p++ )
+        bool lastBS = false,
+             isInsideQuotes = false;
+        wxChar chDelim = '\0';
+        for ( arg.clear(); p != end; ++p )
         {
         {
-            switch ( (*p).GetValue() )
+            const wxChar ch = *p;
+
+            if ( type == wxCMD_LINE_SPLIT_DOS )
             {
             {
-                case _T('"'):
+                if ( ch == '"' )
+                {
                     if ( !lastBS )
                     {
                         isInsideQuotes = !isInsideQuotes;
                     if ( !lastBS )
                     {
                         isInsideQuotes = !isInsideQuotes;
@@ -1239,32 +1325,57 @@ wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxString& cmdline)
                     //else: quote has no special meaning but the backslash
                     //      still remains -- makes no sense but this is what
                     //      Windows does
                     //else: quote has no special meaning but the backslash
                     //      still remains -- makes no sense but this is what
                     //      Windows does
+                }
+                // note that backslash does *not* quote the space, only quotes do
+                else if ( !isInsideQuotes && (ch == ' ' || ch == '\t') )
+                {
+                    ++p;    // skip this space anyhow
                     break;
                     break;
+                }
 
 
-                case _T(' '):
-                case _T('\t'):
-                    // backslash does *not* quote the space, only quotes do
+                lastBS = !lastBS && ch == '\\';
+            }
+            else // type == wxCMD_LINE_SPLIT_UNIX
+            {
+                if ( !lastBS )
+                {
                     if ( isInsideQuotes )
                     {
                     if ( isInsideQuotes )
                     {
-                        // skip assignment below
-                        break;
+                        if ( ch == chDelim )
+                        {
+                            isInsideQuotes = false;
+
+                            continue;   // don't use the quote itself
+                        }
                     }
                     }
-                    // fall through
+                    else // not in quotes and not escaped
+                    {
+                        if ( ch == '\'' || ch == '"' )
+                        {
+                            isInsideQuotes = true;
+                            chDelim = ch;
 
 
-                case _T('\0'):
-                    endParam = true;
+                            continue;   // don't use the quote itself
+                        }
 
 
-                    break;
-            }
+                        if ( ch == ' ' || ch == '\t' )
+                        {
+                            ++p;    // skip this space anyhow
+                            break;
+                        }
+                    }
 
 
-            if ( endParam )
-            {
-                break;
+                    lastBS = ch == '\\';
+                    if ( lastBS )
+                        continue;
+                }
+                else // escaped by backslash, just use as is
+                {
+                    lastBS = false;
+                }
             }
 
             }
 
-            lastBS = *p == _T('\\');
-
-            arg += *p;
+            arg += ch;
         }
 
         args.push_back(arg);
         }
 
         args.push_back(arg);
wxWidgets (Impactor)