linking fixes

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

diff --git a/src/common/cmdline.cpp b/src/common/cmdline.cpp
index d98bb96d48fa1f0b9c89b111badc61976d90d537..49f362bfa00eea61806dee699237cf93f7ec542f 100644 (file)
--- a/src/common/cmdline.cpp
+++ b/src/common/cmdline.cpp
@@ -28,6 +28,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_CMDLINE_PARSER
+
 #ifndef WX_PRECOMP
     #include "wx/string.h"
     #include "wx/log.h"
@@ -98,7 +100,7 @@ struct wxCmdLineOption
     void SetDateVal(const wxDateTime val)
         { Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = TRUE; }
 
-    void SetHasValue() { m_hasVal = TRUE; }
+    void SetHasValue(bool hasValue = TRUE) { m_hasVal = hasValue; }
     bool HasValue() const { return m_hasVal; }
 
 public:
@@ -190,12 +192,50 @@ void wxCmdLineParserData::SetArguments(int argc, char **argv)
     }
 }
 
-void wxCmdLineParserData::SetArguments(const wxString& WXUNUSED(cmdline))
+void wxCmdLineParserData::SetArguments(const wxString& cmdLine)
 {
-    // either use wxMSW wxApp::ConvertToStandardCommandArgs() or move its logic
-    // here and use this method from it - but don't duplicate the code
+    m_arguments.Empty();
+
+    m_arguments.Add(wxTheApp->GetAppName());
 
-    wxFAIL_MSG(_T("TODO"));
+    // Break up string
+    // Treat strings enclosed in double-quotes as single arguments
+    int i = 0;
+    int len = cmdLine.Length();
+    while (i < len)
+    {
+        // Skip whitespace
+        while ((i < len) && wxIsspace(cmdLine.GetChar(i)))
+            i ++;
+
+        if (i < len)
+        {
+            if (cmdLine.GetChar(i) == wxT('"')) // We found the start of a string
+            {
+                i ++;
+                int first = i;
+                while ((i < len) && (cmdLine.GetChar(i) != wxT('"')))
+                    i ++;
+
+                wxString arg(cmdLine.Mid(first, (i - first)));
+
+                m_arguments.Add(arg);
+
+                if (i < len)
+                    i ++; // Skip past 2nd quote
+            }
+            else // Unquoted argument
+            {
+                int first = i;
+                while ((i < len) && !wxIsspace(cmdLine.GetChar(i)))
+                    i ++;
+
+                wxString arg(cmdLine.Mid(first, (i - first)));
+
+                m_arguments.Add(arg);
+            }
+        }
+    }
 }
 
 int wxCmdLineParserData::FindOption(const wxString& name)
@@ -437,6 +477,17 @@ wxString wxCmdLineParser::GetParam(size_t n) const
     return m_data->m_parameters[n];
 }
 
+// Resets switches and options
+void wxCmdLineParser::Reset()
+{
+    for ( size_t i = 0; i < m_data->m_options.Count(); i++ )
+    {
+        wxCmdLineOption& opt = m_data->m_options[i];
+        opt.SetHasValue(FALSE);
+    }
+}
+
+
 // ----------------------------------------------------------------------------
 // the real work is done here
 // ----------------------------------------------------------------------------
@@ -452,6 +503,8 @@ int wxCmdLineParser::Parse()
 
     size_t countParam = m_data->m_paramDesc.GetCount();
 
+    Reset();
+
     // parse everything
     wxString arg;
     size_t count = m_data->m_arguments.GetCount();
@@ -485,7 +538,7 @@ int wxCmdLineParser::Parse()
                 isLong = TRUE;
 
                 const wxChar *p = arg.c_str() + 2;
-                while ( wxIsalpha(*p) || (*p == _T('-')) )
+                while ( wxIsalnum(*p) || (*p == _T('_')) || (*p == _T('-')) )
                 {
                     name += *p++;
                 }
@@ -503,7 +556,7 @@ int wxCmdLineParser::Parse()
                 // 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 ( wxIsalpha(*p) )
+                while ( wxIsalnum(*p) || (*p == _T('_')) )
                 {
                     name += *p++;
                 }
@@ -596,6 +649,7 @@ int wxCmdLineParser::Parse()
                 {
                     switch ( *p )
                     {
+                        case _T('='):
                         case _T(':'):
                             // the value follows
                             p++;
@@ -619,8 +673,15 @@ int wxCmdLineParser::Parse()
                             break;
 
                         default:
-                            // the value is right here
-                            ;
+                            // the value is right here: this may be legal or
+                            // not depending on the option style
+                            if ( opt.flags & wxCMD_LINE_NEEDS_SEPARATOR )
+                            {
+                                wxLogError(_("Separator expected after the option '%s'."),
+                                           name.c_str());
+
+                                ok = FALSE;
+                            }
                     }
                 }
 
@@ -781,9 +842,18 @@ void wxCmdLineParser::Usage()
         wxStripExtension(appname);
     }
 
-    wxString brief, detailed;
+    // 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;
+    wxArrayString namesOptions, descOptions;
     brief.Printf(_("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];
+
     size_t n, count = m_data->m_options.GetCount();
     for ( n = 0; n < count; n++ )
     {
@@ -795,11 +865,13 @@ void wxCmdLineParser::Usage()
             brief << _T('[');
         }
 
-        brief << _T('-') << opt.shortName;
-        detailed << _T("  -") << opt.shortName;
+        brief << chSwitch << opt.shortName;
+
+        wxString option;
+        option << _T("  ") << chSwitch << opt.shortName;
         if ( !!opt.longName )
         {
-            detailed << _T("  --") << opt.longName;
+            option << _T("  --") << opt.longName;
         }
 
         if ( opt.kind != wxCMD_LINE_SWITCH )
@@ -807,7 +879,7 @@ void wxCmdLineParser::Usage()
             wxString val;
             val << _T('<') << GetTypeName(opt.type) << _T('>');
             brief << _T(' ') << val;
-            detailed << (!opt.longName ? _T(':') : _T('=')) << val;
+            option << (!opt.longName ? _T(':') : _T('=')) << val;
         }
 
         if ( !(opt.flags & wxCMD_LINE_OPTION_MANDATORY) )
@@ -815,7 +887,8 @@ void wxCmdLineParser::Usage()
             brief << _T(']');
         }
 
-        detailed << _T('\t') << opt.description << _T('\n');
+        namesOptions.Add(option);
+        descOptions.Add(opt.description);
     }
 
     count = m_data->m_paramDesc.GetCount();
@@ -848,6 +921,27 @@ void wxCmdLineParser::Usage()
     }
 
     wxLogMessage(brief);
+
+    // now construct the detailed help message
+    size_t len, lenMax = 0;
+    count = namesOptions.GetCount();
+    for ( n = 0; n < count; n++ )
+    {
+        len = namesOptions[n].length();
+        if ( len > lenMax )
+            lenMax = len;
+    }
+
+    wxString detailed;
+    for ( n = 0; n < count; n++ )
+    {
+        len = namesOptions[n].length();
+        detailed << namesOptions[n]
+                 << wxString(_T(' '), lenMax - len) << _T('\t')
+                 << descOptions[n]
+                 << _T('\n');
+    }
+
     wxLogMessage(detailed);
 }
 
@@ -871,3 +965,5 @@ static wxString GetTypeName(wxCmdLineParamType type)
 
     return s;
 }
+
+#endif // wxUSE_CMDLINE_PARSER