X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fbdcff4a78e03963d750546b8a74752247b38d40..594f0f5bf1355fb8d58f403d3ebacc1c1767c429:/src/common/cmdline.cpp

diff --git a/src/common/cmdline.cpp b/src/common/cmdline.cpp
index d98bb96d48..46517df3a2 100644
--- 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"
@@ -62,6 +64,9 @@ struct wxCmdLineOption
                     wxCmdLineParamType typ,
                     int fl)
     {
+        wxASSERT_MSG( !shrt.empty() || !lng.empty(),
+                      _T("option should have at least one name") );
+
         kind = k;
 
         shortName = shrt;
@@ -98,7 +103,7 @@ 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:
@@ -155,7 +160,7 @@ 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);
@@ -180,7 +185,7 @@ wxCmdLineParserData::wxCmdLineParserData()
 #endif
 }
 
-void wxCmdLineParserData::SetArguments(int argc, char **argv)
+void wxCmdLineParserData::SetArguments(int argc, wxChar **argv)
 {
     m_arguments.Empty();
 
@@ -190,23 +195,64 @@ 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());
+
+    // 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)));
 
-    wxFAIL_MSG(_T("TODO"));
+                m_arguments.Add(arg);
+            }
+        }
+    }
 }
 
 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;
+            }
         }
     }
 
@@ -237,7 +283,7 @@ 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);
 }
@@ -370,6 +416,9 @@ 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 +431,9 @@ 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 +450,9 @@ 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 +469,9 @@ 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 +495,17 @@ 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 +521,8 @@ 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 +556,7 @@ 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 +574,7 @@ 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 +667,7 @@ int wxCmdLineParser::Parse()
                 {
                     switch ( *p )
                     {
+                        case _T('='):
                         case _T(':'):
                             // the value follows
                             p++;
@@ -619,8 +691,15 @@ 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 +860,18 @@ 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 +883,13 @@ 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 +897,7 @@ 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 +905,8 @@ 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 +939,27 @@ 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 +983,5 @@ static wxString GetTypeName(wxCmdLineParamType type)
 
     return s;
 }
+
+#endif // wxUSE_CMDLINE_PARSER