support for wxUSE_PALETTE = 0

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

diff --git a/src/common/cmdline.cpp b/src/common/cmdline.cpp
index efb4a3e9664c50ead898e5fdd547c3093c6c659d..aa1f4b5edb3964ff83f2eebb964eeb7639f6990b 100644 (file)
--- a/src/common/cmdline.cpp
+++ b/src/common/cmdline.cpp
@@ -6,7 +6,7 @@
 // Created:     05.01.00
 // RCS-ID:      $Id$
 // Copyright:   (c) 2000 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     05.01.00
 // RCS-ID:      $Id$
 // Copyright:   (c) 2000 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "cmdline.h"
 #endif
 
     #pragma implementation "cmdline.h"
 #endif
 


@@ -44,6 +44,7 @@
 #include <ctype.h>
 
 #include "wx/datetime.h"
 #include <ctype.h>
 
 #include "wx/datetime.h"

+#include "wx/msgout.h"

 
 // ----------------------------------------------------------------------------
 // private functions
 
 // ----------------------------------------------------------------------------
 // private functions


@@ -51,8 +52,14 @@
 
 static wxString GetTypeName(wxCmdLineParamType type);
 
 
 static wxString GetTypeName(wxCmdLineParamType type);
 

+static wxString GetOptionName(const wxChar *p, const wxChar *allowedChars);
+
+static wxString GetShortOptionName(const wxChar *p);
+
+static wxString GetLongOptionName(const wxChar *p);
+

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-// private classes
+// private structs

 // ----------------------------------------------------------------------------
 
 // an internal representation of an option
 // ----------------------------------------------------------------------------
 
 // an internal representation of an option


@@ -68,6 +75,19 @@ struct wxCmdLineOption
         wxASSERT_MSG( !shrt.empty() || !lng.empty(),
                       _T("option should have at least one name") );
 
         wxASSERT_MSG( !shrt.empty() || !lng.empty(),
                       _T("option should have at least one name") );
 

+        wxASSERT_MSG
+            (
+                GetShortOptionName(shrt).Len() == shrt.Len(),
+                wxT("Short option contains invalid characters")
+            );
+
+        wxASSERT_MSG
+            (
+                GetLongOptionName(lng).Len() == lng.Len(),
+                wxT("Long option contains invalid characters")
+            );
+            
+

         kind = k;
 
         shortName = shrt;
         kind = k;
 
         shortName = shrt;


@@ -77,7 +97,7 @@ struct wxCmdLineOption
         type = typ;
         flags = fl;
 
         type = typ;
         flags = fl;
 

-        m_hasVal = FALSE;
+        m_hasVal = false;

     }
 
     // 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


@@ -94,22 +114,28 @@ struct wxCmdLineOption
         { Check(wxCMD_LINE_VAL_NUMBER); return m_longVal; }
     const wxString& GetStrVal() const
         { Check(wxCMD_LINE_VAL_STRING); return m_strVal;  }
         { Check(wxCMD_LINE_VAL_NUMBER); return m_longVal; }
     const wxString& GetStrVal() const
         { Check(wxCMD_LINE_VAL_STRING); return m_strVal;  }

+#if wxUSE_DATETIME

     const wxDateTime& GetDateVal() const
         { Check(wxCMD_LINE_VAL_DATE);   return m_dateVal; }
     const wxDateTime& GetDateVal() const
         { Check(wxCMD_LINE_VAL_DATE);   return m_dateVal; }

+#endif // wxUSE_DATETIME

 
     void SetLongVal(long val)
 
     void SetLongVal(long val)

-        { Check(wxCMD_LINE_VAL_NUMBER); m_longVal = val; m_hasVal = TRUE; }
+        { Check(wxCMD_LINE_VAL_NUMBER); m_longVal = val; m_hasVal = true; }

     void SetStrVal(const wxString& val)
     void SetStrVal(const wxString& val)

-        { Check(wxCMD_LINE_VAL_STRING); m_strVal = val; m_hasVal = TRUE; }
+        { Check(wxCMD_LINE_VAL_STRING); m_strVal = val; m_hasVal = true; }
+#if wxUSE_DATETIME

     void SetDateVal(const wxDateTime val)
     void SetDateVal(const wxDateTime val)

-        { Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = TRUE; }
+        { Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = true; }
+#endif // wxUSE_DATETIME

 
 

-    void SetHasValue(bool hasValue = TRUE) { m_hasVal = hasValue; }
+    void SetHasValue(bool hasValue = true) { m_hasVal = hasValue; }

     bool HasValue() const { return m_hasVal; }
 
 public:
     wxCmdLineEntryType kind;
     bool HasValue() const { return m_hasVal; }
 
 public:
     wxCmdLineEntryType kind;

-    wxString shortName, longName, description;
+    wxString shortName,
+             longName,
+             description;

     wxCmdLineParamType type;
     int flags;
 
     wxCmdLineParamType type;
     int flags;
 


@@ -118,7 +144,9 @@ private:
 
     long m_longVal;
     wxString m_strVal;
 
     long m_longVal;
     wxString m_strVal;

+#if wxUSE_DATETIME

     wxDateTime m_dateVal;
     wxDateTime m_dateVal;

+#endif // wxUSE_DATETIME

 };
 
 struct wxCmdLineParam
 };
 
 struct wxCmdLineParam


@@ -150,7 +178,7 @@ struct wxCmdLineParserData
 {
     // options
     wxString m_switchChars;     // characters which may start an option
 {
     // options
     wxString m_switchChars;     // characters which may start an option

-    bool m_enableLongOptions;   // TRUE if long options are enabled
+    bool m_enableLongOptions;   // true if long options are enabled

     wxString m_logo;            // some extra text to show in Usage()
 
     // cmd line data
     wxString m_logo;            // some extra text to show in Usage()
 
     // cmd line data


@@ -178,7 +206,7 @@ struct wxCmdLineParserData
 
 wxCmdLineParserData::wxCmdLineParserData()
 {
 
 wxCmdLineParserData::wxCmdLineParserData()
 {

-    m_enableLongOptions = TRUE;
+    m_enableLongOptions = true;

 #ifdef __UNIX_LIKE__
     m_switchChars = _T("-");
 #else // !Unix
 #ifdef __UNIX_LIKE__
     m_switchChars = _T("-");
 #else // !Unix


@@ -188,19 +216,19 @@ wxCmdLineParserData::wxCmdLineParserData()
 
 void wxCmdLineParserData::SetArguments(int argc, wxChar **argv)
 {
 
 void wxCmdLineParserData::SetArguments(int argc, wxChar **argv)
 {

-    m_arguments.Empty();
+    m_arguments.clear();

 
     for ( int n = 0; n < argc; n++ )
     {
 
     for ( int n = 0; n < argc; n++ )
     {

-        m_arguments.Add(argv[n]);
+        m_arguments.push_back(argv[n]);

     }
 }
 
 void wxCmdLineParserData::SetArguments(const wxString& cmdLine)
 {
     }
 }
 
 void wxCmdLineParserData::SetArguments(const wxString& cmdLine)
 {

-    m_arguments.Empty();
+    m_arguments.clear();

 
 

-    m_arguments.Add(wxTheApp->GetAppName());
+    m_arguments.push_back(wxTheApp->GetAppName());

 
     wxArrayString args = wxCmdLineParser::ConvertStringToArgs(cmdLine);
 
 
     wxArrayString args = wxCmdLineParser::ConvertStringToArgs(cmdLine);
 


@@ -278,6 +306,11 @@ void wxCmdLineParser::EnableLongOptions(bool enable)
     m_data->m_enableLongOptions = enable;
 }
 
     m_data->m_enableLongOptions = enable;
 }
 

+bool wxCmdLineParser::AreLongOptionsEnabled()
+{
+    return m_data->m_enableLongOptions;
+}
+

 void wxCmdLineParser::SetLogo(const wxString& logo)
 {
     m_data->m_logo = logo;
 void wxCmdLineParser::SetLogo(const wxString& logo)
 {
     m_data->m_logo = logo;


@@ -385,13 +418,13 @@ 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, _T("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 false;

 
 

-    return TRUE;
+    return true;

 }
 
 bool wxCmdLineParser::Found(const wxString& name, wxString *value) const
 }
 
 bool wxCmdLineParser::Found(const wxString& name, wxString *value) const


@@ -400,17 +433,17 @@ 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, _T("unknown option") );

 
     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 false;

 
 

-    wxCHECK_MSG( value, FALSE, _T("NULL pointer in wxCmdLineOption::Found") );
+    wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );

 
     *value = opt.GetStrVal();
 
 
     *value = opt.GetStrVal();
 

-    return TRUE;
+    return true;

 }
 
 bool wxCmdLineParser::Found(const wxString& name, long *value) const
 }
 
 bool wxCmdLineParser::Found(const wxString& name, long *value) const


@@ -419,45 +452,49 @@ 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, _T("unknown option") );

 
     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 false;

 
 

-    wxCHECK_MSG( value, FALSE, _T("NULL pointer in wxCmdLineOption::Found") );
+    wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );

 
     *value = opt.GetLongVal();
 
 
     *value = opt.GetLongVal();
 

-    return TRUE;
+    return true;

 }
 
 }
 

+#if wxUSE_DATETIME

 bool wxCmdLineParser::Found(const wxString& name, wxDateTime *value) const
 {
     int i = m_data->FindOption(name);
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
 bool wxCmdLineParser::Found(const wxString& name, wxDateTime *value) const
 {
     int i = m_data->FindOption(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, _T("unknown option") );

 
     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 false;

 
 

-    wxCHECK_MSG( value, FALSE, _T("NULL pointer in wxCmdLineOption::Found") );
+    wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );

 
     *value = opt.GetDateVal();
 
 
     *value = opt.GetDateVal();
 

-    return TRUE;
+    return true;

 }
 }

+#endif // wxUSE_DATETIME

 
 size_t wxCmdLineParser::GetParamCount() const
 {
 
 size_t wxCmdLineParser::GetParamCount() const
 {

-    return m_data->m_parameters.GetCount();
+    return m_data->m_parameters.size();

 }
 
 wxString wxCmdLineParser::GetParam(size_t n) const
 {
 }
 
 wxString wxCmdLineParser::GetParam(size_t n) const
 {

+    wxCHECK_MSG( n < GetParamCount(), wxEmptyString, _T("invalid param index") );
+

     return m_data->m_parameters[n];
 }
 
     return m_data->m_parameters[n];
 }
 


@@ -467,7 +504,7 @@ void wxCmdLineParser::Reset()
     for ( size_t i = 0; i < m_data->m_options.Count(); i++ )
     {
         wxCmdLineOption& opt = m_data->m_options[i];
     for ( size_t i = 0; i < m_data->m_options.Count(); i++ )
     {
         wxCmdLineOption& opt = m_data->m_options[i];

-        opt.SetHasValue(FALSE);
+        opt.SetHasValue(false);

     }
 }
 
     }
 }
 


@@ -476,22 +513,23 @@ void wxCmdLineParser::Reset()
 // the real work is done here
 // ----------------------------------------------------------------------------
 
 // the real work is done here
 // ----------------------------------------------------------------------------
 

-int wxCmdLineParser::Parse()
+int wxCmdLineParser::Parse(bool showUsage)

 {
 {

-    bool maybeOption = TRUE;    // can the following arg be an option?
-    bool ok = TRUE;             // TRUE until an error is detected
-    bool helpRequested = FALSE; // TRUE if "-h" was given
-    bool hadRepeatableParam = FALSE; // TRUE if found param with MULTIPLE flag
+    bool maybeOption = true;    // can the following arg be an option?
+    bool ok = true;             // true until an error is detected
+    bool helpRequested = false; // true if "-h" was given
+    bool hadRepeatableParam = false; // true if found param with MULTIPLE flag

 
     size_t currentParam = 0;    // the index in m_paramDesc
 
     size_t countParam = m_data->m_paramDesc.GetCount();
 
     size_t currentParam = 0;    // the index in m_paramDesc
 
     size_t countParam = m_data->m_paramDesc.GetCount();

+    wxString errorMsg;

 
     Reset();
 
     // parse everything
     wxString arg;
 
     Reset();
 
     // parse everything
     wxString arg;

-    size_t count = m_data->m_arguments.GetCount();
+    size_t count = m_data->m_arguments.size();

     for ( size_t n = 1; ok && (n < count); n++ )    // 0 is program name
     {
         arg = m_data->m_arguments[n];
     for ( size_t n = 1; ok && (n < count); n++ )    // 0 is program name
     {
         arg = m_data->m_arguments[n];


@@ -501,7 +539,7 @@ int wxCmdLineParser::Parse()
         // not like options (this is POSIX-like)
         if ( arg == _T("--") )
         {
         // not like options (this is POSIX-like)
         if ( arg == _T("--") )
         {

-            maybeOption = FALSE;
+            maybeOption = false;

 
             continue;
         }
 
             continue;
         }


@@ -515,35 +553,45 @@ int wxCmdLineParser::Parse()
             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 ( m_data->m_enableLongOptions &&
-                    arg[0u] == _T('-') && arg[1u] == _T('-') )
+            if ( arg[0u] == _T('-') && arg[1u] == _T('-') )

             {
                 // a long one
             {
                 // a long one

-                isLong = TRUE;
+                isLong = true;

 
 

+                // Skip leading "--"

                 const wxChar *p = arg.c_str() + 2;
                 const wxChar *p = arg.c_str() + 2;

-                while ( wxIsalnum(*p) || (*p == _T('_')) || (*p == _T('-')) )
+
+                bool longOptionsEnabled = AreLongOptionsEnabled();
+
+                name = GetLongOptionName(p);
+
+                if (longOptionsEnabled)

                 {
                 {

-                    name += *p++;
+                    optInd = m_data->FindOptionByLongName(name);
+                    if ( optInd == wxNOT_FOUND )
+                    {
+                        errorMsg << wxString::Format(_("Unknown long option '%s'"), name.c_str()) << wxT("\n");
+                    }

                 }
                 }

-
-                optInd = m_data->FindOptionByLongName(name);
-                if ( optInd == wxNOT_FOUND )
+                else

                 {
                 {

-                    wxLogError(_("Unknown long option '%s'"), name.c_str());
+                    optInd = wxNOT_FOUND; // Sanity check
+
+                    // Print the argument including leading "--"
+                    name.Prepend( wxT("--") );
+                    errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str()) << wxT("\n");

                 }
                 }

+

             }
             else
             {
             }
             else
             {

-                isLong = FALSE;
+                isLong = false;

 
                 // a short one: as they can be cumulated, we try to find the
                 // longest substring which is a valid option
                 const wxChar *p = arg.c_str() + 1;
 
                 // a short one: as they can be cumulated, we try to find the
                 // longest substring which is a valid option
                 const wxChar *p = arg.c_str() + 1;

-                while ( wxIsalnum(*p) || (*p == _T('_')) )
-                {
-                    name += *p++;
-                }
+
+                name = GetShortOptionName(p);

 
                 size_t len = name.length();
                 do
 
                 size_t len = name.length();
                 do


@@ -552,7 +600,7 @@ int wxCmdLineParser::Parse()
                     {
                         // we couldn't find a valid option name in the
                         // beginning of this string
                     {
                         // we couldn't find a valid option name in the
                         // beginning of this string

-                        wxLogError(_("Unknown option '%s'"), name.c_str());
+                        errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str()) << wxT("\n");

 
                         break;
                     }
 
                         break;
                     }


@@ -584,7 +632,8 @@ int wxCmdLineParser::Parse()
                         wxString arg2 = arg[0u];
                         arg2 += arg.Mid(len + 1); // +1 for leading '-'
 
                         wxString arg2 = arg[0u];
                         arg2 += arg.Mid(len + 1); // +1 for leading '-'
 

-                        m_data->m_arguments.Insert(arg2, n + 1);
+                        m_data->m_arguments.insert
+                            (m_data->m_arguments.begin() + n + 1, arg2);

                         count++;
                     }
                     //else: it's our value, we'll deal with it below
                         count++;
                     }
                     //else: it's our value, we'll deal with it below


@@ -593,7 +642,7 @@ int wxCmdLineParser::Parse()
 
             if ( optInd == wxNOT_FOUND )
             {
 
             if ( optInd == wxNOT_FOUND )
             {

-                ok = FALSE;
+                ok = false;

 
                 continue;   // will break, in fact
             }
 
                 continue;   // will break, in fact
             }


@@ -606,10 +655,10 @@ int wxCmdLineParser::Parse()
 
                 if ( opt.flags & wxCMD_LINE_OPTION_HELP )
                 {
 
                 if ( opt.flags & wxCMD_LINE_OPTION_HELP )
                 {

-                    helpRequested = TRUE;
+                    helpRequested = true;

 
                     // it's not an error, but we still stop here
 
                     // it's not an error, but we still stop here

-                    ok = FALSE;
+                    ok = false;

                 }
             }
             else
                 }
             }
             else


@@ -624,9 +673,9 @@ int wxCmdLineParser::Parse()
 
                     if ( *p++ != _T('=') )
                     {
 
                     if ( *p++ != _T('=') )
                     {

-                        wxLogError(_("Option '%s' requires a value, '=' expected."), name.c_str());
+                        errorMsg << wxString::Format(_("Option '%s' requires a value, '=' expected."), name.c_str()) << wxT("\n");

 
 

-                        ok = FALSE;
+                        ok = false;

                     }
                 }
                 else
                     }
                 }
                 else


@@ -644,10 +693,10 @@ int wxCmdLineParser::Parse()
                             if ( ++n == count )
                             {
                                 // ... but there is none
                             if ( ++n == count )
                             {
                                 // ... but there is none

-                                wxLogError(_("Option '%s' requires a value."),
-                                           name.c_str());
+                                errorMsg << wxString::Format(_("Option '%s' requires a value."),
+                                                             name.c_str()) << wxT("\n");

 
 

-                                ok = FALSE;
+                                ok = false;

                             }
                             else
                             {
                             }
                             else
                             {


@@ -661,10 +710,10 @@ int wxCmdLineParser::Parse()
                             // not depending on the option style
                             if ( opt.flags & wxCMD_LINE_NEEDS_SEPARATOR )
                             {
                             // not depending on the option style
                             if ( opt.flags & wxCMD_LINE_NEEDS_SEPARATOR )
                             {

-                                wxLogError(_("Separator expected after the option '%s'."),
-                                           name.c_str());
+                                errorMsg << wxString::Format(_("Separator expected after the option '%s'."),
+                                                             name.c_str()) << wxT("\n");

 
 

-                                ok = FALSE;
+                                ok = false;

                             }
                     }
                 }
                             }
                     }
                 }


@@ -691,24 +740,25 @@ int wxCmdLineParser::Parse()
                                 }
                                 else
                                 {
                                 }
                                 else
                                 {

-                                    wxLogError(_("'%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()) << wxT("\n");

 
 

-                                    ok = FALSE;
+                                    ok = false;

                                 }
                             }
                             break;
 
                                 }
                             }
                             break;
 

+#if wxUSE_DATETIME

                         case wxCMD_LINE_VAL_DATE:
                             {
                                 wxDateTime dt;
                                 const wxChar *res = dt.ParseDate(value);
                                 if ( !res || *res )
                                 {
                         case wxCMD_LINE_VAL_DATE:
                             {
                                 wxDateTime dt;
                                 const wxChar *res = dt.ParseDate(value);
                                 if ( !res || *res )
                                 {

-                                    wxLogError(_("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()) << wxT("\n");

 
 

-                                    ok = FALSE;
+                                    ok = false;

                                 }
                                 else
                                 {
                                 }
                                 else
                                 {


@@ -716,6 +766,7 @@ int wxCmdLineParser::Parse()
                                 }
                             }
                             break;
                                 }
                             }
                             break;

+#endif // wxUSE_DATETIME

                     }
                 }
             }
                     }
                 }
             }


@@ -729,7 +780,7 @@ int wxCmdLineParser::Parse()
 
                 // TODO check the param type
 
 
                 // TODO check the param type
 

-                m_data->m_parameters.Add(arg);
+                m_data->m_parameters.push_back(arg);

 
                 if ( !(param.flags & wxCMD_LINE_PARAM_MULTIPLE) )
                 {
 
                 if ( !(param.flags & wxCMD_LINE_PARAM_MULTIPLE) )
                 {


@@ -741,14 +792,14 @@ int wxCmdLineParser::Parse()
                                   _T("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style are ignored") );
 
                     // remember that we did have this last repeatable parameter
                                   _T("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style are ignored") );
 
                     // remember that we did have this last repeatable parameter

-                    hadRepeatableParam = TRUE;
+                    hadRepeatableParam = true;

                 }
             }
             else
             {
                 }
             }
             else
             {

-                wxLogError(_("Unexpected parameter '%s'"), arg.c_str());
+                errorMsg << wxString::Format(_("Unexpected parameter '%s'"), arg.c_str()) << wxT("\n");

 
 

-                ok = FALSE;
+                ok = false;

             }
         }
     }
             }
         }
     }


@@ -769,15 +820,23 @@ int wxCmdLineParser::Parse()
                 }
                 else
                 {
                 }
                 else
                 {

-                    optName.Printf(_("%s (or %s)"),
-                                   opt.shortName.c_str(),
-                                   opt.longName.c_str());
+                    if ( AreLongOptionsEnabled() )
+                    {
+                        optName.Printf( _("%s (or %s)"),
+                                        opt.shortName.c_str(),
+                                        opt.longName.c_str() );
+                    }
+                    else
+                    {
+                        optName.Printf( wxT("%s"),
+                                        opt.shortName.c_str() );
+                    }

                 }
 
                 }
 

-                wxLogError(_("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()) << wxT("\n");

 
 

-                ok = FALSE;
+                ok = false;

             }
         }
 
             }
         }
 


@@ -795,17 +854,31 @@ int wxCmdLineParser::Parse()
 
             if ( !(param.flags & wxCMD_LINE_PARAM_OPTIONAL) )
             {
 
             if ( !(param.flags & wxCMD_LINE_PARAM_OPTIONAL) )
             {

-                wxLogError(_("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()) << wxT("\n");

 
 

-                ok = FALSE;
+                ok = false;

             }
         }
     }
 
             }
         }
     }
 

-    if ( !ok )
+    // if there was an error during parsing the command line, show this error
+    // and also the usage message if it had been requested
+    if ( !ok && (!errorMsg.empty() || (helpRequested && showUsage)) )

     {
     {

-        Usage();
+        wxMessageOutput* msgOut = wxMessageOutput::Get();
+        if ( msgOut )
+        {
+            wxString usage;
+            if ( showUsage )
+                usage = GetUsageString();
+
+            msgOut->Printf( wxT("%s%s"), usage.c_str(), errorMsg.c_str() );
+        }
+        else
+        {
+            wxFAIL_MSG( _T("no wxMessageOutput object?") );
+        }

     }
 
     return ok ? 0 : helpRequested ? -1 : 1;
     }
 
     return ok ? 0 : helpRequested ? -1 : 1;


@@ -816,11 +889,25 @@ int wxCmdLineParser::Parse()
 // ----------------------------------------------------------------------------
 
 void wxCmdLineParser::Usage()
 // ----------------------------------------------------------------------------
 
 void wxCmdLineParser::Usage()

+{
+    wxMessageOutput* msgOut = wxMessageOutput::Get();
+    if ( msgOut )
+    {
+        msgOut->Printf( wxT("%s"), GetUsageString().c_str() );
+    }
+    else
+    {
+        wxFAIL_MSG( _T("no wxMessageOutput object?") );
+    }
+}
+
+wxString wxCmdLineParser::GetUsageString()

 {
     wxString appname = wxTheApp->GetAppName();
     if ( !appname )
     {
 {
     wxString appname = wxTheApp->GetAppName();
     if ( !appname )
     {

-        wxCHECK_RET( !m_data->m_arguments.IsEmpty(), _T("no program name") );
+        wxCHECK_MSG( m_data->m_arguments.size() != 0, wxEmptyString,
+                     _T("no program name") );

 
         appname = wxFileNameFromPath(m_data->m_arguments[0]);
         wxStripExtension(appname);
 
         appname = wxFileNameFromPath(m_data->m_arguments[0]);
         wxStripExtension(appname);


@@ -829,50 +916,82 @@ void wxCmdLineParser::Usage()
     // we construct the brief cmd line desc on the fly, but not the detailed
     // help message below because we want to align the options descriptions
     // and for this we must first know the longest one of them
     // we construct the brief cmd line desc on the fly, but not the detailed
     // help message below because we want to align the options descriptions
     // and for this we must first know the longest one of them

-    wxString brief;
+    wxString usage;

     wxArrayString namesOptions, descOptions;
     wxArrayString namesOptions, descOptions;

-    brief.Printf(_("Usage: %s"), appname.c_str());
+
+    if ( !m_data->m_logo.empty() )
+    {
+        usage << m_data->m_logo << _T('\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
     wxChar chSwitch = !m_data->m_switchChars ? _T('-')
                                              : m_data->m_switchChars[0u];
 
 
     // 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('-')
                                              : m_data->m_switchChars[0u];
 

+    bool areLongOptionsEnabled = AreLongOptionsEnabled();

     size_t n, count = m_data->m_options.GetCount();
     for ( n = 0; n < count; n++ )
     {
         wxCmdLineOption& opt = m_data->m_options[n];
 
     size_t n, count = m_data->m_options.GetCount();
     for ( n = 0; n < count; n++ )
     {
         wxCmdLineOption& opt = m_data->m_options[n];
 

-        brief << _T(' ');
+        usage << _T(' ');

         if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
         {
         if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
         {

-            brief << _T('[');
+            usage << _T('[');

         }
 
         }
 

-        brief << chSwitch << opt.shortName;
+        if ( !opt.shortName.empty() )
+        {
+            usage << chSwitch << opt.shortName;
+        }
+        else if ( areLongOptionsEnabled && !opt.longName.empty() )
+        {
+            usage << _T("--") << opt.longName;
+        }
+        else
+        {
+            if (!opt.longName.empty())
+            {
+                wxFAIL_MSG( wxT("option with only a long name while long ")
+                    wxT("options are disabled") );
+            }
+            else
+            {
+                wxFAIL_MSG( _T("option without neither short nor long name") );
+            }
+        }

 
         wxString option;
 
         wxString option;

-        option << _T("  ") << chSwitch << opt.shortName;
-        if ( !!opt.longName )
+
+        if ( !opt.shortName.empty() )
+        {
+            option << _T("  ") << chSwitch << opt.shortName;
+        }
+
+        if ( areLongOptionsEnabled && !opt.longName.empty() )

         {
         {

-            option << _T("  --") << opt.longName;
+            option << (option.empty() ? _T("  ") : _T(", "))
+                   << _T("--") << opt.longName;

         }
 
         if ( opt.kind != wxCMD_LINE_SWITCH )
         {
             wxString val;
             val << _T('<') << GetTypeName(opt.type) << _T('>');
         }
 
         if ( opt.kind != wxCMD_LINE_SWITCH )
         {
             wxString val;
             val << _T('<') << GetTypeName(opt.type) << _T('>');

-            brief << _T(' ') << val;
+            usage << _T(' ') << val;

             option << (!opt.longName ? _T(':') : _T('=')) << val;
         }
 
         if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
         {
             option << (!opt.longName ? _T(':') : _T('=')) << val;
         }
 
         if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
         {

-            brief << _T(']');
+            usage << _T(']');

         }
 
         }
 

-        namesOptions.Add(option);
-        descOptions.Add(opt.description);
+        namesOptions.push_back(option);
+        descOptions.push_back(opt.description);

     }
 
     count = m_data->m_paramDesc.GetCount();
     }
 
     count = m_data->m_paramDesc.GetCount();


@@ -880,35 +999,30 @@ void wxCmdLineParser::Usage()
     {
         wxCmdLineParam& param = m_data->m_paramDesc[n];
 
     {
         wxCmdLineParam& param = m_data->m_paramDesc[n];
 

-        brief << _T(' ');
+        usage << _T(' ');

         if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL )
         {
         if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL )
         {

-            brief << _T('[');
+            usage << _T('[');

         }
 
         }
 

-        brief << param.description;
+        usage << param.description;

 
         if ( param.flags & wxCMD_LINE_PARAM_MULTIPLE )
         {
 
         if ( param.flags & wxCMD_LINE_PARAM_MULTIPLE )
         {

-            brief << _T("...");
+            usage << _T("...");

         }
 
         if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL )
         {
         }
 
         if ( param.flags & wxCMD_LINE_PARAM_OPTIONAL )
         {

-            brief << _T(']');
+            usage << _T(']');

         }
     }
 
         }
     }
 

-    if ( !!m_data->m_logo )
-    {
-        wxLogMessage(m_data->m_logo);
-    }
-
-    wxLogMessage(brief);
+    usage << _T('\n');

 
     // now construct the detailed help message
     size_t len, lenMax = 0;
 
     // now construct the detailed help message
     size_t len, lenMax = 0;

-    count = namesOptions.GetCount();
+    count = namesOptions.size();

     for ( n = 0; n < count; n++ )
     {
         len = namesOptions[n].length();
     for ( n = 0; n < count; n++ )
     {
         len = namesOptions[n].length();


@@ -916,17 +1030,16 @@ void wxCmdLineParser::Usage()
             lenMax = len;
     }
 
             lenMax = len;
     }
 

-    wxString detailed;

     for ( n = 0; n < count; n++ )
     {
         len = namesOptions[n].length();
     for ( n = 0; n < count; n++ )
     {
         len = namesOptions[n].length();

-        detailed << namesOptions[n]
-                 << wxString(_T(' '), lenMax - len) << _T('\t')
-                 << descOptions[n]
-                 << _T('\n');
+        usage << namesOptions[n]
+              << wxString(_T(' '), lenMax - len) << _T('\t')
+              << descOptions[n]
+              << _T('\n');

     }
 
     }
 

-    wxLogMessage(detailed);
+    return usage;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -942,20 +1055,78 @@ static wxString GetTypeName(wxCmdLineParamType type)
             wxFAIL_MSG( _T("unknown option type") );
             // still fall through
 
             wxFAIL_MSG( _T("unknown option type") );
             // still fall through
 

-        case wxCMD_LINE_VAL_STRING: s = _("str"); break;
-        case wxCMD_LINE_VAL_NUMBER: s = _("num"); break;
-        case wxCMD_LINE_VAL_DATE:   s = _("date"); break;
+        case wxCMD_LINE_VAL_STRING:
+            s = _("str");
+            break;
+
+        case wxCMD_LINE_VAL_NUMBER:
+            s = _("num");
+            break;
+
+        case wxCMD_LINE_VAL_DATE:
+            s = _("date");
+            break;

     }
 
     return s;
 }
 
     }
 
     return s;
 }
 

+/*
+Returns a string which is equal to the string pointed to by p, but up to the
+point where p contains an character that's not allowed.
+Allowable characters are letters and numbers, and characters pointed to by
+the parameter allowedChars.
+
+For example, if p points to "abcde-@-_", and allowedChars is "-_",
+this function returns "abcde-".
+*/
+static wxString GetOptionName(const wxChar *p,
+    const wxChar *allowedChars)
+{
+    wxString argName;
+
+    while ( *p && (wxIsalnum(*p) || wxStrchr(allowedChars, *p)) )
+    {
+        argName += *p++;
+    }
+
+    return argName;
+}
+
+// Besides alphanumeric characters, short and long options can
+// have other characters.
+
+// A short option additionally can have these
+#define wxCMD_LINE_CHARS_ALLOWED_BY_SHORT_OPTION wxT("_?")
+
+// A long option can have the same characters as a short option and a '-'.
+#define wxCMD_LINE_CHARS_ALLOWED_BY_LONG_OPTION \
+    wxCMD_LINE_CHARS_ALLOWED_BY_SHORT_OPTION wxT("-")
+
+static wxString GetShortOptionName(const wxChar *p)
+{
+    return GetOptionName(p, wxCMD_LINE_CHARS_ALLOWED_BY_SHORT_OPTION);
+}
+
+static wxString GetLongOptionName(const wxChar *p)
+{
+    return GetOptionName(p, wxCMD_LINE_CHARS_ALLOWED_BY_LONG_OPTION);
+}
+

 #endif // wxUSE_CMDLINE_PARSER
 
 // ----------------------------------------------------------------------------
 // global functions
 // ----------------------------------------------------------------------------
 
 #endif // wxUSE_CMDLINE_PARSER
 
 // ----------------------------------------------------------------------------
 // global functions
 // ----------------------------------------------------------------------------
 

+/*
+   This function is mainly used under Windows (as under Unix we always get the
+   command line arguments as argc/argv anyhow) and so it tries to follow
+   Windows conventions for the command line handling, not Unix ones. For
+   instance, backslash is not special except when it precedes double quote when
+   it does quote it.
+ */
+

 /* static */
 wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxChar *p)
 {
 /* static */
 wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxChar *p)
 {


@@ -964,7 +1135,7 @@ wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxChar *p)
     wxString arg;
     arg.reserve(1024);
 
     wxString arg;
     arg.reserve(1024);
 

-    bool isInsideQuotes = FALSE;
+    bool isInsideQuotes = false;

     for ( ;; )
     {
         // skip white space
     for ( ;; )
     {
         // skip white space


@@ -976,78 +1147,52 @@ wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxChar *p)
             break;
 
         // parse this parameter
             break;
 
         // parse this parameter

-        arg.clear();
-        for ( ;; p++ )
+        bool endParam = false;
+        bool lastBS = false;
+        for ( arg.clear(); !endParam; p++ )

         {
         {

-            // do we have a (lone) backslash?
-            bool isQuotedByBS = FALSE;
-            while ( *p == _T('\\') )
-            {
-                p++;
-
-                // if we have 2 backslashes in a row, output one
-                if ( isQuotedByBS )
-                {
-                    arg += _T('\\');
-                    isQuotedByBS = FALSE;
-                }
-                else // the next char is quoted
-                {
-                    isQuotedByBS = TRUE;
-                }
-            }
-
-            bool skipChar = FALSE,
-                 endParam = FALSE;

             switch ( *p )
             {
                 case _T('"'):
             switch ( *p )
             {
                 case _T('"'):

-                    if ( !isQuotedByBS )
+                    if ( !lastBS )

                     {
                     {

-                        // don't put the quote itself in the arg
-                        skipChar = TRUE;
-

                         isInsideQuotes = !isInsideQuotes;
                         isInsideQuotes = !isInsideQuotes;

-                    }
-                    //else: insert a literal quote

 
 

+                        // don't put quote in arg
+                        continue;
+                    }
+                    //else: quote has no special meaning but the backslash
+                    //      still remains -- makes no sense but this is what
+                    //      Windows does

                     break;
 
                 case _T(' '):
                 case _T('\t'):
                     break;
 
                 case _T(' '):
                 case _T('\t'):

-                    if ( isInsideQuotes || isQuotedByBS )
+                    // backslash does *not* quote the space, only quotes do
+                    if ( isInsideQuotes )

                     {
                     {

-                        // preserve it, skip endParam below
+                        // skip assignment below

                         break;
                     }
                         break;
                     }

-                    //else: fall through
+                    // fall through

 
                 case _T('\0'):
 
                 case _T('\0'):

-                    endParam = TRUE;
-                    break;
+                    endParam = true;

 
 

-                default:
-                    if ( isQuotedByBS )
-                    {
-                        // ignore backslash before an ordinary character - this
-                        // is needed to properly handle the file names under
-                        // Windows appearing in the command line
-                        arg += _T('\\');
-                    }
+                    break;

             }
 
             }
 

-            // end of argument?

             if ( endParam )
             if ( endParam )

-                break;
-
-            // otherwise copy this char to arg
-            if ( !skipChar )

             {
             {

-                arg += *p;
+                break;

             }
             }

+
+            lastBS = *p == _T('\\');
+
+            arg += *p;

         }
 
         }
 

-        args.Add(arg);
+        args.push_back(arg);

     }
 
     return args;
     }
 
     return args;