X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/33293a32fe18ff90ed0154092554b089ef84c71b..05159a2750ed2cc5945a85bc5fc6849ad1a30e75:/src/common/cmdline.cpp

diff --git a/src/common/cmdline.cpp b/src/common/cmdline.cpp
index 524ee1f43a..6a21925fe7 100644
--- a/src/common/cmdline.cpp
+++ b/src/common/cmdline.cpp
@@ -86,6 +86,7 @@ struct wxCmdLineOption
                 GetLongOptionName(lng).Len() == lng.Len(),
                 wxT("Long option contains invalid characters")
             );
+            
 
         kind = k;
 
@@ -561,7 +562,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                     optInd = m_data->FindOptionByLongName(name);
                     if ( optInd == wxNOT_FOUND )
                     {
-                        errorMsg << wxString::Format(_("Unknown long option '%s'"), name.c_str()) << "\n";
+                        errorMsg << wxString::Format(_("Unknown long option '%s'"), name.c_str()) << wxT("\n");
                     }
                 }
                 else
@@ -570,7 +571,7 @@ int wxCmdLineParser::Parse(bool showUsage)
 
                     // Print the argument including leading "--"
                     name.Prepend( wxT("--") );
-                    errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str()) << "\n";
+                    errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str()) << wxT("\n");
                 }
 
             }
@@ -591,7 +592,7 @@ 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()) << "\n";
+                        errorMsg << wxString::Format(_("Unknown option '%s'"), name.c_str()) << wxT("\n");
 
                         break;
                     }
@@ -663,7 +664,7 @@ int wxCmdLineParser::Parse(bool showUsage)
 
                     if ( *p++ != _T('=') )
                     {
-                        errorMsg << wxString::Format(_("Option '%s' requires a value, '=' expected."), name.c_str()) << "\n";
+                        errorMsg << wxString::Format(_("Option '%s' requires a value, '=' expected."), name.c_str()) << wxT("\n");
 
                         ok = FALSE;
                     }
@@ -684,7 +685,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                             {
                                 // ... but there is none
                                 errorMsg << wxString::Format(_("Option '%s' requires a value."),
-                                                             name.c_str()) << "\n";
+                                                             name.c_str()) << wxT("\n");
 
                                 ok = FALSE;
                             }
@@ -701,7 +702,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                             if ( opt.flags & wxCMD_LINE_NEEDS_SEPARATOR )
                             {
                                 errorMsg << wxString::Format(_("Separator expected after the option '%s'."),
-                                                             name.c_str()) << "\n";
+                                                             name.c_str()) << wxT("\n");
 
                                 ok = FALSE;
                             }
@@ -731,7 +732,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                                 else
                                 {
                                     errorMsg << wxString::Format(_("'%s' is not a correct numeric value for option '%s'."),
-                                                                 value.c_str(), name.c_str()) << "\n";
+                                                                 value.c_str(), name.c_str()) << wxT("\n");
 
                                     ok = FALSE;
                                 }
@@ -745,7 +746,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                                 if ( !res || *res )
                                 {
                                     errorMsg << wxString::Format(_("Option '%s': '%s' cannot be converted to a date."),
-                                                                 name.c_str(), value.c_str()) << "\n";
+                                                                 name.c_str(), value.c_str()) << wxT("\n");
 
                                     ok = FALSE;
                                 }
@@ -785,7 +786,7 @@ int wxCmdLineParser::Parse(bool showUsage)
             }
             else
             {
-                errorMsg << wxString::Format(_("Unexpected parameter '%s'"), arg.c_str()) << "\n";
+                errorMsg << wxString::Format(_("Unexpected parameter '%s'"), arg.c_str()) << wxT("\n");
 
                 ok = FALSE;
             }
@@ -822,7 +823,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                 }
 
                 errorMsg << wxString::Format(_("The value for the option '%s' must be specified."),
-                                             optName.c_str()) << "\n";
+                                             optName.c_str()) << wxT("\n");
 
                 ok = FALSE;
             }
@@ -843,21 +844,30 @@ int wxCmdLineParser::Parse(bool showUsage)
             if ( !(param.flags & wxCMD_LINE_PARAM_OPTIONAL) )
             {
                 errorMsg << wxString::Format(_("The required parameter '%s' was not specified."),
-                                             param.description.c_str()) << "\n";
+                                             param.description.c_str()) << wxT("\n");
 
                 ok = FALSE;
             }
         }
     }
 
-    if ( !ok && (errorMsg.length() != 0 || helpRequested) )
+    // 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)) )
     {
-        wxString usage;
         wxMessageOutput* msgOut = wxMessageOutput::Get();
-        wxASSERT(msgOut);
-        if ( showUsage ) usage = GetUsageString();
         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;
@@ -869,10 +879,15 @@ int wxCmdLineParser::Parse(bool showUsage)
 
 void wxCmdLineParser::Usage()
 {
-    wxString usage = GetUsageString();
     wxMessageOutput* msgOut = wxMessageOutput::Get();
     if ( msgOut )
-        msgOut->Printf( wxT("%s"), usage.c_str() );
+    {
+        msgOut->Printf( wxT("%s"), GetUsageString().c_str() );
+    }
+    else
+    {
+        wxFAIL_MSG( _T("no wxMessageOutput object?") );
+    }
 }
 
 wxString wxCmdLineParser::GetUsageString()
@@ -893,7 +908,7 @@ wxString wxCmdLineParser::GetUsageString()
     wxString usage;
     wxArrayString namesOptions, descOptions;
 
-    if ( !!m_data->m_logo )
+    if ( !m_data->m_logo.empty() )
     {
         usage << m_data->m_logo << _T('\n');
     }
@@ -1029,9 +1044,17 @@ static wxString GetTypeName(wxCmdLineParamType type)
             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;
@@ -1094,7 +1117,7 @@ static wxString GetLongOptionName(const wxChar *p)
 
    In particular, to pass a single argument containing a space to the program
    it should be quoted:
-   
+
    myprog.exe foo bar       -> argc = 3, argv[1] = "foo", argv[2] = "bar"
    myprog.exe "foo bar"     -> argc = 2, argv[1] = "foo bar"