]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/cmdline.cpp
Smooth Aqua buttons in wxTreeCtrl.
[wxWidgets.git] / src / common / cmdline.cpp
index a3676830c799c4c6ca2d89e75885eceed0ea2d81..efb4a3e9664c50ead898e5fdd547c3093c6c659d 100644 (file)
     #pragma hdrstop
 #endif
 
+#include "wx/cmdline.h"
+
+#if wxUSE_CMDLINE_PARSER
+
 #ifndef WX_PRECOMP
     #include "wx/string.h"
     #include "wx/log.h"
@@ -37,8 +41,9 @@
     #include "wx/filefn.h"
 #endif //WX_PRECOMP
 
+#include <ctype.h>
+
 #include "wx/datetime.h"
-#include "wx/cmdline.h"
 
 // ----------------------------------------------------------------------------
 // private functions
@@ -60,6 +65,9 @@ struct wxCmdLineOption
                     wxCmdLineParamType typ,
                     int fl)
     {
+        wxASSERT_MSG( !shrt.empty() || !lng.empty(),
+                      _T("option should have at least one name") );
+
         kind = k;
 
         shortName = shrt;
@@ -96,7 +104,7 @@ 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:
@@ -153,7 +161,7 @@ struct wxCmdLineParserData
 
     // methods
     wxCmdLineParserData();
-    void SetArguments(int argc, char **argv);
+    void SetArguments(int argc, wxChar **argv);
     void SetArguments(const wxString& cmdline);
 
     int FindOption(const wxString& name);
@@ -178,7 +186,7 @@ wxCmdLineParserData::wxCmdLineParserData()
 #endif
 }
 
-void wxCmdLineParserData::SetArguments(int argc, char **argv)
+void wxCmdLineParserData::SetArguments(int argc, wxChar **argv)
 {
     m_arguments.Empty();
 
@@ -188,23 +196,29 @@ 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());
+
+    wxArrayString args = wxCmdLineParser::ConvertStringToArgs(cmdLine);
 
-    wxFAIL_MSG(_T("TODO"));
+    WX_APPEND_ARRAY(m_arguments, args);
 }
 
 int wxCmdLineParserData::FindOption(const wxString& name)
 {
-    size_t count = m_options.GetCount();
-    for ( size_t n = 0; n < count; n++ )
+    if ( !name.empty() )
     {
-        if ( m_options[n].shortName == name )
+        size_t count = m_options.GetCount();
+        for ( size_t n = 0; n < count; n++ )
         {
-            // found
-            return n;
+            if ( m_options[n].shortName == name )
+            {
+                // found
+                return n;
+            }
         }
     }
 
@@ -235,7 +249,7 @@ void wxCmdLineParser::Init()
     m_data = new wxCmdLineParserData;
 }
 
-void wxCmdLineParser::SetCmdLine(int argc, char **argv)
+void wxCmdLineParser::SetCmdLine(int argc, wxChar **argv)
 {
     m_data->SetArguments(argc, argv);
 }
@@ -346,14 +360,12 @@ void wxCmdLineParser::AddParam(const wxString& desc,
         wxCmdLineParam& param = m_data->m_paramDesc.Last();
 
         wxASSERT_MSG( !(param.flags & wxCMD_LINE_PARAM_MULTIPLE),
-                      _T("all parameters after the one with "
-                         "wxCMD_LINE_PARAM_MULTIPLE style will be ignored") );
+                      _T("all parameters after the one with wxCMD_LINE_PARAM_MULTIPLE style will be ignored") );
 
         if ( !(flags & wxCMD_LINE_PARAM_OPTIONAL) )
         {
             wxASSERT_MSG( !(param.flags & wxCMD_LINE_PARAM_OPTIONAL),
-                          _T("a required parameter can't follow an "
-                             "optional one") );
+                          _T("a required parameter can't follow an optional one") );
         }
     }
 #endif // Debug
@@ -370,6 +382,9 @@ void wxCmdLineParser::AddParam(const wxString& desc,
 bool wxCmdLineParser::Found(const wxString& name) const
 {
     int i = m_data->FindOption(name);
+    if ( i == wxNOT_FOUND )
+        i = m_data->FindOptionByLongName(name);
+
     wxCHECK_MSG( i != wxNOT_FOUND, FALSE, _T("unknown switch") );
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
@@ -382,6 +397,9 @@ bool wxCmdLineParser::Found(const wxString& name) const
 bool wxCmdLineParser::Found(const wxString& name, wxString *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];
@@ -398,6 +416,9 @@ bool wxCmdLineParser::Found(const wxString& name, wxString *value) const
 bool wxCmdLineParser::Found(const wxString& name, long *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];
@@ -414,6 +435,9 @@ bool wxCmdLineParser::Found(const wxString& name, long *value) const
 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") );
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
@@ -437,6 +461,17 @@ 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 +487,8 @@ 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 +522,7 @@ 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 +540,7 @@ 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++;
                 }
@@ -587,8 +624,7 @@ int wxCmdLineParser::Parse()
 
                     if ( *p++ != _T('=') )
                     {
-                        wxLogError(_("Option '%s' requires a value, '=' "
-                                     "expected."), name.c_str());
+                        wxLogError(_("Option '%s' requires a value, '=' expected."), name.c_str());
 
                         ok = FALSE;
                     }
@@ -597,6 +633,7 @@ int wxCmdLineParser::Parse()
                 {
                     switch ( *p )
                     {
+                        case _T('='):
                         case _T(':'):
                             // the value follows
                             p++;
@@ -620,8 +657,15 @@ 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;
+                            }
                     }
                 }
 
@@ -647,9 +691,7 @@ int wxCmdLineParser::Parse()
                                 }
                                 else
                                 {
-                                    wxLogError(_("'%s' is not a correct "
-                                                 "numeric value for option "
-                                                 "'%s'."),
+                                    wxLogError(_("'%s' is not a correct numeric value for option '%s'."),
                                                value.c_str(), name.c_str());
 
                                     ok = FALSE;
@@ -663,8 +705,7 @@ int wxCmdLineParser::Parse()
                                 const wxChar *res = dt.ParseDate(value);
                                 if ( !res || *res )
                                 {
-                                    wxLogError(_("Option '%s': '%s' cannot "
-                                                  "be converted to a date."),
+                                    wxLogError(_("Option '%s': '%s' cannot be converted to a date."),
                                                name.c_str(), value.c_str());
 
                                     ok = FALSE;
@@ -697,9 +738,7 @@ int wxCmdLineParser::Parse()
                 else
                 {
                     wxASSERT_MSG( currentParam == countParam - 1,
-                                  _T("all parameters after the one with "
-                                     "wxCMD_LINE_PARAM_MULTIPLE style "
-                                     "are ignored") );
+                                  _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;
@@ -787,9 +826,18 @@ 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++ )
     {
@@ -801,11 +849,13 @@ 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 )
@@ -813,7 +863,7 @@ 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) )
@@ -821,7 +871,8 @@ 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();
@@ -854,11 +905,32 @@ 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);
 }
 
 // ----------------------------------------------------------------------------
-// global functions
+// private functions
 // ----------------------------------------------------------------------------
 
 static wxString GetTypeName(wxCmdLineParamType type)
@@ -877,3 +949,107 @@ static wxString GetTypeName(wxCmdLineParamType type)
 
     return s;
 }
+
+#endif // wxUSE_CMDLINE_PARSER
+
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+/* static */
+wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxChar *p)
+{
+    wxArrayString args;
+
+    wxString arg;
+    arg.reserve(1024);
+
+    bool isInsideQuotes = FALSE;
+    for ( ;; )
+    {
+        // skip white space
+        while ( *p == _T(' ') || *p == _T('\t') )
+            p++;
+
+        // anything left?
+        if ( *p == _T('\0') )
+            break;
+
+        // parse this parameter
+        arg.clear();
+        for ( ;; 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('"'):
+                    if ( !isQuotedByBS )
+                    {
+                        // don't put the quote itself in the arg
+                        skipChar = TRUE;
+
+                        isInsideQuotes = !isInsideQuotes;
+                    }
+                    //else: insert a literal quote
+
+                    break;
+
+                case _T(' '):
+                case _T('\t'):
+                    if ( isInsideQuotes || isQuotedByBS )
+                    {
+                        // preserve it, skip endParam below
+                        break;
+                    }
+                    //else: fall through
+
+                case _T('\0'):
+                    endParam = TRUE;
+                    break;
+
+                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('\\');
+                    }
+            }
+
+            // end of argument?
+            if ( endParam )
+                break;
+
+            // otherwise copy this char to arg
+            if ( !skipChar )
+            {
+                arg += *p;
+            }
+        }
+
+        args.Add(arg);
+    }
+
+    return args;
+}
+