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Remove now unnecessary comment.
[wxWidgets.git] / src / common / cmdline.cpp
diff --git a/src/common/cmdline.cpp b/src/common/cmdline.cpp
index 9217f27019ab886ba99ef125bdcb5ceca7e000b1..2952c2d6aea3c037908d60cb367600bf3a952d22 100644 (file)
--- a/src/common/cmdline.cpp
+++ b/src/common/cmdline.cpp
@@ -37,11 +37,13 @@
 #if wxUSE_CMDLINE_PARSER
 
 #include <ctype.h>
 #if wxUSE_CMDLINE_PARSER
 
 #include <ctype.h>
+#include <locale.h>             // for LC_ALL
 
 #include "wx/datetime.h"
 #include "wx/msgout.h"
 #include "wx/filename.h"
 #include "wx/apptrait.h"
 
 #include "wx/datetime.h"
 #include "wx/msgout.h"
 #include "wx/filename.h"
 #include "wx/apptrait.h"
+#include "wx/scopeguard.h"
 
 // ----------------------------------------------------------------------------
 // private functions
 
 // ----------------------------------------------------------------------------
 // private functions
@@ -73,21 +75,27 @@ 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;
 
@@ -98,7 +106,7 @@ struct wxCmdLineOption
         type = typ;
         flags = fl;
 
         type = typ;
         flags = fl;
 
-        m_hasVal = false;
+        Reset();
     }
 
     // can't use union easily here, so just store all possible data fields, we
     }
 
     // can't use union easily here, so just store all possible data fields, we
@@ -108,9 +116,11 @@ 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 +130,8 @@ 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)
@@ -129,9 +141,19 @@ struct wxCmdLineOption
         { Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = true; }
 #endif // wxUSE_DATETIME
 
         { Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = true; }
 #endif // wxUSE_DATETIME
 
-    void SetHasValue(bool hasValue = true) { m_hasVal = hasValue; }
+    void SetHasValue() { m_hasVal = true; }
     bool HasValue() const { return m_hasVal; }
 
     bool HasValue() const { return m_hasVal; }
 
+    void SetNegated() { m_isNegated = true; }
+    bool IsNegated() const { return m_isNegated; }
+
+    // Reset to the initial state, called before parsing another command line.
+    void Reset()
+    {
+        m_hasVal =
+        m_isNegated = false;
+    }
+
 public:
     wxCmdLineEntryType kind;
     wxString shortName,
 public:
     wxCmdLineEntryType kind;
     wxString shortName,
@@ -142,7 +164,9 @@ public:
 
 private:
     bool m_hasVal;
 
 private:
     bool m_hasVal;
+    bool m_isNegated;
 
 
+    double m_doubleVal;
     long m_longVal;
     wxString m_strVal;
 #if wxUSE_DATETIME
     long m_longVal;
     wxString m_strVal;
 #if wxUSE_DATETIME
@@ -213,19 +237,51 @@ 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
 }
 
+namespace
+{
+
+// Small helper function setting locale for all categories.
+//
+// We define it because wxSetlocale() can't be easily used with wxScopeGuard as
+// it has several overloads -- while this one can.
+inline char *SetAllLocaleFacets(const char *loc)
+{
+    return wxSetlocale(LC_ALL, loc);
+}
+
+} // private namespace
+
 void wxCmdLineParserData::SetArguments(int argc, char **argv)
 {
     m_arguments.clear();
 
 void wxCmdLineParserData::SetArguments(int argc, char **argv)
 {
     m_arguments.clear();
 
+    // Command-line arguments are supposed to be in the user locale encoding
+    // (what else?) but wxLocale probably wasn't initialized yet as we're
+    // called early during the program startup and so our locale might not have
+    // been set from the environment yet. To work around this problem we
+    // temporarily change the locale here. The only drawback is that changing
+    // the locale is thread-unsafe but precisely because we're called so early
+    // it's hopefully safe to assume that no other threads had been created yet.
+    char * const locOld = SetAllLocaleFacets("");
+    wxON_BLOCK_EXIT1( SetAllLocaleFacets, locOld );
+
     for ( int n = 0; n < argc; n++ )
     {
     for ( int n = 0; n < argc; n++ )
     {
-        m_arguments.push_back(wxString::FromAscii(argv[n]));
+        // try to interpret the string as being in the current locale
+        wxString arg(argv[n]);
+
+        // but just in case we guessed wrongly and the conversion failed, do
+        // try to salvage at least something
+        if ( arg.empty() && argv[n][0] != '\0' )
+            arg = wxString(argv[n], wxConvISO8859_1);
+
+        m_arguments.push_back(arg);
     }
 }
 
     }
 }
 
@@ -348,7 +404,7 @@ 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;
 }
@@ -369,21 +425,28 @@ void wxCmdLineParser::SetDesc(const wxCmdLineEntryDesc *desc)
         switch ( desc->kind )
         {
             case wxCMD_LINE_SWITCH:
         switch ( desc->kind )
         {
             case wxCMD_LINE_SWITCH:
-                AddSwitch(desc->shortName, desc->longName, desc->description,
+                AddSwitch(desc->shortName, desc->longName,
+                          wxGetTranslation(desc->description),
                           desc->flags);
                 break;
 
             case wxCMD_LINE_OPTION:
                           desc->flags);
                 break;
 
             case wxCMD_LINE_OPTION:
-                AddOption(desc->shortName, desc->longName, desc->description,
+                AddOption(desc->shortName, desc->longName,
+                          wxGetTranslation(desc->description),
                           desc->type, desc->flags);
                 break;
 
             case wxCMD_LINE_PARAM:
                           desc->type, desc->flags);
                 break;
 
             case wxCMD_LINE_PARAM:
-                AddParam(desc->description, desc->type, desc->flags);
+                AddParam(wxGetTranslation(desc->description),
+                         desc->type, desc->flags);
+                break;
+
+            case wxCMD_LINE_USAGE_TEXT:
+                AddUsageText(wxGetTranslation(desc->description));
                 break;
 
             default:
                 break;
 
             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:
@@ -398,7 +461,7 @@ 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,
@@ -414,7 +477,7 @@ 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,
@@ -429,44 +492,60 @@ 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
 // ----------------------------------------------------------------------------
 
 bool wxCmdLineParser::Found(const wxString& name) const
 // ----------------------------------------------------------------------------
 // access to parse command line
 // ----------------------------------------------------------------------------
 
 bool wxCmdLineParser::Found(const wxString& name) const
+{
+    return FoundSwitch(name) != wxCMD_SWITCH_NOT_FOUND;
+}
+
+wxCmdLineSwitchState wxCmdLineParser::FoundSwitch(const wxString& name) const
 {
     int i = m_data->FindOption(name);
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
 {
     int i = m_data->FindOption(name);
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
-    wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown switch") );
+    wxCHECK_MSG( i != wxNOT_FOUND, wxCMD_SWITCH_NOT_FOUND, 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() )
-        return false;
+        return wxCMD_SWITCH_NOT_FOUND;
 
 
-    return true;
+    return opt.IsNegated() ? wxCMD_SWITCH_OFF : wxCMD_SWITCH_ON;
 }
 
 bool wxCmdLineParser::Found(const wxString& name, wxString *value) const
 }
 
 bool wxCmdLineParser::Found(const wxString& name, wxString *value) const
@@ -475,13 +554,13 @@ 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();
 
@@ -494,19 +573,38 @@ 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
 {
@@ -514,13 +612,13 @@ 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();
 
@@ -535,7 +633,7 @@ 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];
 }
@@ -545,8 +643,7 @@ void wxCmdLineParser::Reset()
 {
     for ( size_t i = 0; i < m_data->m_options.GetCount(); i++ )
     {
 {
     for ( size_t i = 0; i < m_data->m_options.GetCount(); i++ )
     {
-        wxCmdLineOption& opt = m_data->m_options[i];
-        opt.SetHasValue(false);
+        m_data->m_options[i].Reset();
     }
 }
 
     }
 }
 
@@ -579,7 +676,7 @@ 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;
 
@@ -596,7 +693,7 @@ 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;
@@ -610,11 +707,45 @@ int wxCmdLineParser::Parse(bool showUsage)
 
                 if (longOptionsEnabled)
                 {
 
                 if (longOptionsEnabled)
                 {
+                    wxString errorOpt;
+
                     optInd = m_data->FindOptionByLongName(name);
                     if ( optInd == wxNOT_FOUND )
                     {
                     optInd = m_data->FindOptionByLongName(name);
                     if ( optInd == wxNOT_FOUND )
                     {
-                        errorMsg << wxString::Format(_("Unknown long option '%s'"), name.c_str())
-                                 << _T('\n');
+                        // Check if this could be a negatable long option.
+                        if ( name.Last() == '-' )
+                        {
+                            name.RemoveLast();
+
+                            optInd = m_data->FindOptionByLongName(name);
+                            if ( optInd != wxNOT_FOUND )
+                            {
+                                if ( !(m_data->m_options[optInd].flags &
+                                        wxCMD_LINE_SWITCH_NEGATABLE) )
+                                {
+                                    errorOpt.Printf
+                                             (
+                                              _("Option '%s' can't be negated"),
+                                              name
+                                             );
+                                    optInd = wxNOT_FOUND;
+                                }
+                            }
+                        }
+
+                        if ( optInd == wxNOT_FOUND )
+                        {
+                            if ( errorOpt.empty() )
+                            {
+                                errorOpt.Printf
+                                         (
+                                          _("Unknown long option '%s'"),
+                                          name
+                                         );
+                            }
+
+                            errorMsg << errorOpt << wxT('\n');
+                        }
                     }
                 }
                 else
                     }
                 }
                 else
@@ -624,7 +755,7 @@ 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');
                 }
 
             }
                 }
 
             }
@@ -646,7 +777,7 @@ 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;
                     }
@@ -673,6 +804,14 @@ int wxCmdLineParser::Parse(bool showUsage)
                     if ( m_data->m_options[(size_t)optInd].kind
                             == wxCMD_LINE_SWITCH )
                     {
                     if ( m_data->m_options[(size_t)optInd].kind
                             == wxCMD_LINE_SWITCH )
                     {
+                        // if the switch is negatable and it is just followed
+                        // by '-' the '-' is considered to be part of this
+                        // switch
+                        if ( (m_data->m_options[(size_t)optInd].flags &
+                                    wxCMD_LINE_SWITCH_NEGATABLE) &&
+                                arg[len] == '-' )
+                            ++len;
+
                         // pretend that all the rest of the argument is the
                         // next argument, in fact
                         wxString arg2 = arg[0u];
                         // pretend that all the rest of the argument is the
                         // next argument, in fact
                         wxString arg2 = arg[0u];
@@ -681,6 +820,10 @@ 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
                 }
@@ -706,16 +849,21 @@ int wxCmdLineParser::Parse(bool showUsage)
             if ( opt.kind == wxCMD_LINE_SWITCH )
             {
                 // we must check that there is no value following the switch
             if ( opt.kind == wxCMD_LINE_SWITCH )
             {
                 // we must check that there is no value following the switch
-                if ( p != arg.end() )
+                bool negated = (opt.flags & wxCMD_LINE_SWITCH_NEGATABLE) &&
+                                    p != arg.end() && *p == '-';
+
+                if ( !negated && p != arg.end() )
                 {
                     errorMsg << wxString::Format(_("Unexpected characters following option '%s'."), name.c_str())
                 {
                     errorMsg << wxString::Format(_("Unexpected characters following option '%s'."), name.c_str())
-                             << _T('\n');
+                             << wxT('\n');
                     ok = false;
                 }
                 else // no value, as expected
                 {
                     // nothing more to do
                     opt.SetHasValue();
                     ok = false;
                 }
                 else // no value, as expected
                 {
                     // nothing more to do
                     opt.SetHasValue();
+                    if ( negated )
+                        opt.SetNegated();
 
                     if ( opt.flags & wxCMD_LINE_OPTION_HELP )
                     {
 
                     if ( opt.flags & wxCMD_LINE_OPTION_HELP )
                     {
@@ -728,22 +876,22 @@ 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;
                         }
@@ -762,7 +910,7 @@ 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;
                         }
@@ -774,7 +922,7 @@ 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:
@@ -792,7 +940,25 @@ 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;
                                 }
@@ -803,13 +969,12 @@ int wxCmdLineParser::Parse(bool showUsage)
                         case wxCMD_LINE_VAL_DATE:
                             {
                                 wxDateTime dt;
                         case wxCMD_LINE_VAL_DATE:
                             {
                                 wxDateTime dt;
-                                // FIXME-UTF8: ParseDate API will need changes
-                                const wxChar *res = dt.ParseDate(value.c_str());
-                                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;
                                 }
@@ -841,7 +1006,7 @@ 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;
@@ -850,7 +1015,7 @@ 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;
             }
@@ -888,7 +1053,7 @@ 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;
             }
@@ -910,7 +1075,7 @@ 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;
             }
@@ -932,7 +1097,7 @@ int wxCmdLineParser::Parse(bool showUsage)
         }
         else
         {
         }
         else
         {
-            wxFAIL_MSG( _T("no wxMessageOutput object?") );
+            wxFAIL_MSG( wxT("no wxMessageOutput object?") );
         }
     }
 
         }
     }
 
@@ -943,7 +1108,7 @@ 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 )
@@ -952,11 +1117,11 @@ 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() )
@@ -977,14 +1142,14 @@ 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();
@@ -992,58 +1157,63 @@ 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, negator;
 
 
-        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.flags & wxCMD_LINE_SWITCH_NEGATABLE )
+                negator = wxT("[-]");
+
+            if ( !opt.shortName.empty() )
+            {
+                usage << chSwitch << opt.shortName << negator;
+            }
+            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 << negator;
             }
             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);
@@ -1055,26 +1225,26 @@ 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();
@@ -1097,13 +1267,21 @@ 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;
@@ -1119,7 +1297,7 @@ 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:
@@ -1130,6 +1308,10 @@ 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;
@@ -1198,35 +1380,40 @@ 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;
@@ -1237,32 +1424,57 @@ 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)