]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/cmdline.cpp
assert if ShowModal() is called after a previous Show() (#1416)
[wxWidgets.git] / src / common / cmdline.cpp
index 63ee43c1a82c3498481d9f7bec6930608e8d84dc..f05552219050af16cc5368b989b7f6b3188942a7 100644 (file)
@@ -73,20 +73,29 @@ struct wxCmdLineOption
                     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
+    #ifdef __WXDEBUG__
+        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")
+            );
+        }
+    #endif // __WXDEBUG__
 
 
         kind = k;
@@ -390,6 +399,10 @@ void wxCmdLineParser::SetDesc(const wxCmdLineEntryDesc *desc)
                          desc->type, desc->flags);
                 break;
 
+            case wxCMD_LINE_USAGE_TEXT:
+                AddUsageText(wxGetTranslation(desc->description));
+                break;
+
             default:
                 wxFAIL_MSG( _T("unknown command line entry type") );
                 // still fall through
@@ -458,6 +471,17 @@ void wxCmdLineParser::AddParam(const wxString& desc,
     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
 // ----------------------------------------------------------------------------
@@ -755,15 +779,15 @@ int wxCmdLineParser::Parse(bool showUsage)
             }
             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;
 
-                    case 0:
+                    case '\0':
                         // the value is in the next argument
                         if ( ++n == count )
                         {
@@ -1036,58 +1060,60 @@ wxString wxCmdLineParser::GetUsageString() const
     for ( n = 0; n < count; n++ )
     {
         wxCmdLineOption& opt = m_data->m_options[n];
+        wxString option;
 
-        usage << _T(' ');
-        if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
+        if ( opt.kind != wxCMD_LINE_USAGE_TEXT )
         {
-            usage << _T('[');
-        }
+            usage << _T(' ');
+            if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
+            {
+                usage << _T('[');
+            }
 
-        if ( !opt.shortName.empty() )
-        {
-            usage << chSwitch << opt.shortName;
-        }
-        else if ( areLongOptionsEnabled && !opt.longName.empty() )
-        {
-            usage << _T("--") << opt.longName;
-        }
-        else
-        {
-            if (!opt.longName.empty())
+            if ( !opt.shortName.empty() )
+            {
+                usage << chSwitch << opt.shortName;
+            }
+            else if ( areLongOptionsEnabled && !opt.longName.empty() )
             {
-                wxFAIL_MSG( wxT("option with only a long name while long ")
-                            wxT("options are disabled") );
+                usage << _T("--") << opt.longName;
             }
             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( _T("option without neither short nor long name") );
+                }
             }
-        }
 
-        wxString option;
-
-        if ( !opt.shortName.empty() )
-        {
-            option << _T("  ") << chSwitch << opt.shortName;
-        }
+            if ( !opt.shortName.empty() )
+            {
+                option << _T("  ") << chSwitch << opt.shortName;
+            }
 
-        if ( areLongOptionsEnabled && !opt.longName.empty() )
-        {
-            option << (option.empty() ? _T("  ") : _T(", "))
-                   << _T("--") << opt.longName;
-        }
+            if ( areLongOptionsEnabled && !opt.longName.empty() )
+            {
+                option << (option.empty() ? _T("  ") : _T(", "))
+                       << _T("--") << 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 << _T('<') << GetTypeName(opt.type) << _T('>');
+                usage << _T(' ') << val;
+                option << (!opt.longName ? _T(':') : _T('=')) << val;
+            }
 
-        if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
-        {
-            usage << _T(']');
+            if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
+            {
+                usage << _T(']');
+            }
         }
 
         namesOptions.push_back(option);
@@ -1144,10 +1170,18 @@ wxString wxCmdLineParser::GetUsageString() const
             usage << _T('\n') << stdDesc;
 
         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] << _T('\n');
+        }
+        else
+        {
+            usage << namesOptions[n]
+                  << wxString(_T(' '), lenMax - len) << _T('\t')
+                  << descOptions[n]
+                  << _T('\n');
+        }
     }
 
     return usage;
@@ -1255,62 +1289,47 @@ wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxString& cmdline)
 
     bool isInsideQuotes = false;
 
+    const wxString::const_iterator end = cmdline.end();
     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?
-        if ( p == cmdline.end() )
+        if ( p == end )
             break;
 
         // parse this parameter
-        bool endParam = false;
         bool lastBS = false;
-        for ( arg.clear(); !endParam; p++ )
+        for ( arg.clear(); p != end; ++p )
         {
-            switch ( (*p).GetValue() )
+            const wxChar ch = *p;
+            if ( ch == '"' )
             {
-                case _T('"'):
-                    if ( !lastBS )
-                    {
-                        isInsideQuotes = !isInsideQuotes;
-
-                        // 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'):
-                    // backslash does *not* quote the space, only quotes do
-                    if ( isInsideQuotes )
-                    {
-                        // skip assignment below
-                        break;
-                    }
-                    // fall through
-
-                case _T('\0'):
-                    endParam = true;
+                if ( !lastBS )
+                {
+                    isInsideQuotes = !isInsideQuotes;
 
-                    break;
+                    // 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
             }
-
-            if ( endParam )
+            // note that backslash does *not* quote the space, only quotes do
+            else if ( !isInsideQuotes && (ch == ' ' || ch == '\t') )
             {
+                ++p;    // skip this space anyhow
                 break;
             }
 
-            lastBS = *p == _T('\\');
+            lastBS = ch == '\\';
 
-            arg += *p;
+            arg += ch;
         }
 
         args.push_back(arg);