added support for double arguments to wxCmdLineParser (patch 1907289)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52530 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -198,6 +198,7 @@ All:
 - Added wxMessageQueue class for inter-thread communications
 - Use UTF-8 for Unicode data in wxIPC classes (Anders Larsen)
 - Added support for user-defined types to wxConfig (Marcin Wojdyr).
+- Added numeric options support to wxCmdLineParser (crjjrc)
 - Added wxJoin() and wxSplit() functions (Francesco Montorsi).
 - Added wxDateTime::FormatISOCombined() and ParseISODate/Time/Combined()
 - Added wxMutex::LockTimeout() (Aleksandr Napylov).

include/wx/cmdline.h

@@ -45,6 +45,7 @@ enum wxCmdLineParamType
     wxCMD_LINE_VAL_STRING,  // should be 0 (default)
     wxCMD_LINE_VAL_NUMBER,
     wxCMD_LINE_VAL_DATE,
+    wxCMD_LINE_VAL_DOUBLE,
     wxCMD_LINE_VAL_NONE
 };
 
@@ -205,6 +206,10 @@ public:
     // the value in the provided pointer
     bool Found(const wxString& name, long *value) const;
 
+    // returns true if an option taking a double value was found and stores
+    // the value in the provided pointer
+    bool Found(const wxString& name, double *value) const;
+
 #if wxUSE_DATETIME
     // returns true if an option taking a date value was found and stores the
     // value in the provided pointer

interface/cmdline.h

@@ -185,9 +185,10 @@ public:
         value in the provided pointer (which should not be @NULL).
     */
     bool Found(const wxString& name) const;
-    const bool Found(const wxString& name, wxString* value) const;
+    bool Found(const wxString& name, wxString* value) const;
-    const bool Found(const wxString& name, long* value) const;
+    bool Found(const wxString& name, long* value) const;
-    const bool Found(const wxString& name, wxDateTime* value) const;
+    bool Found(const wxString& name, double* value) const;
+    bool Found(const wxString& name, wxDateTime* value) const;
     //@}
 
     /**

samples/console/console.cpp

@@ -150,6 +150,7 @@ static void ShowCmdLine(const wxCmdLineParser& parser)
 
     wxString strVal;
     long lVal;
+    double dVal;
     wxDateTime dt;
     if ( parser.Found(_T("o"), &strVal) )
         s << _T("Output file:\t") << strVal << '\n';
@@ -157,6 +158,8 @@ static void ShowCmdLine(const wxCmdLineParser& parser)
         s << _T("Input dir:\t") << strVal << '\n';
     if ( parser.Found(_T("s"), &lVal) )
         s << _T("Size:\t") << lVal << '\n';
+    if ( parser.Found(_T("f"), &dVal) )
+        s << _T("Double:\t") << dVal << '\n';
     if ( parser.Found(_T("d"), &dt) )
         s << _T("Date:\t") << dt.FormatISODate() << '\n';
     if ( parser.Found(_T("project_name"), &strVal) )
@@ -4262,6 +4265,8 @@ int main(int argc, char **argv)
             wxCMD_LINE_VAL_NUMBER },
         { wxCMD_LINE_OPTION, "d", "date",    "output file date",
             wxCMD_LINE_VAL_DATE },
+        { wxCMD_LINE_OPTION, "f", "double",  "output double",
+            wxCMD_LINE_VAL_DOUBLE },
 
         { wxCMD_LINE_PARAM,  NULL, NULL, "input file",
             wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_MULTIPLE },

src/common/cmdline.cpp

@@ -111,6 +111,8 @@ struct wxCmdLineOption
         wxASSERT_MSG( type == typ, _T("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
@@ -120,6 +122,8 @@ struct wxCmdLineOption
         { 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)
@@ -143,6 +147,7 @@ public:
 private:
     bool m_hasVal;
 
+    double m_doubleVal;
     long m_longVal;
     wxString m_strVal;
 #if wxUSE_DATETIME
@@ -510,6 +515,25 @@ bool wxCmdLineParser::Found(const wxString& name, long *value) const
     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, _T("unknown option") );
+
+    wxCmdLineOption& opt = m_data->m_options[(size_t)i];
+    if ( !opt.HasValue() )
+        return false;
+
+    wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );
+
+    *value = opt.GetDoubleVal();
+
+    return true;
+}
+
 #if wxUSE_DATETIME
 bool wxCmdLineParser::Found(const wxString& name, wxDateTime *value) const
 {
@@ -802,6 +826,24 @@ int wxCmdLineParser::Parse(bool showUsage)
                             }
                             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())
+                                             << _T('\n');
+
+                                    ok = false;
+                                }
+                            }
+                            break;
+
 #if wxUSE_DATETIME
                         case wxCMD_LINE_VAL_DATE:
                             {
@@ -1132,6 +1174,10 @@ static wxString GetTypeName(wxCmdLineParamType type)
             s = _("num");
             break;
 
+        case wxCMD_LINE_VAL_DOUBLE:
+            s = _("double");
+            break;
+
         case wxCMD_LINE_VAL_DATE:
             s = _("date");
             break;