]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/cmdline.cpp
bump subrelease number
[wxWidgets.git] / src / common / cmdline.cpp
index 5313adf3e0916542d93d5d3c0a43a48d068eef9a..dd154cbaeed91e366278377b91836cc87025b811 100644 (file)
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        common/cmdline.cpp
+// Name:        src/common/cmdline.cpp
 // Purpose:     wxCmdLineParser implementation
 // Author:      Vadim Zeitlin
 // Modified by:
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "cmdline.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
     #pragma hdrstop
 #endif
 
-#include "wx/cmdline.h"
-
-#if wxUSE_CMDLINE_PARSER
-
 #ifndef WX_PRECOMP
+    #include "wx/dynarray.h"
     #include "wx/string.h"
     #include "wx/log.h"
     #include "wx/intl.h"
     #include "wx/app.h"
-    #include "wx/dynarray.h"
-    #include "wx/filefn.h"
 #endif //WX_PRECOMP
 
+#include "wx/cmdline.h"
+
+#if wxUSE_CMDLINE_PARSER
+
 #include <ctype.h>
 
 #include "wx/datetime.h"
 #include "wx/msgout.h"
+#include "wx/filename.h"
 
 // ----------------------------------------------------------------------------
 // private functions
@@ -86,7 +82,7 @@ struct wxCmdLineOption
                 GetLongOptionName(lng).Len() == lng.Len(),
                 wxT("Long option contains invalid characters")
             );
-            
+
 
         kind = k;
 
@@ -97,7 +93,7 @@ struct wxCmdLineOption
         type = typ;
         flags = fl;
 
-        m_hasVal = FALSE;
+        m_hasVal = false;
     }
 
     // can't use union easily here, so just store all possible data fields, we
@@ -120,15 +116,15 @@ struct wxCmdLineOption
 #endif // wxUSE_DATETIME
 
     void SetLongVal(long val)
-        { Check(wxCMD_LINE_VAL_NUMBER); m_longVal = val; m_hasVal = TRUE; }
+        { Check(wxCMD_LINE_VAL_NUMBER); m_longVal = val; m_hasVal = true; }
     void SetStrVal(const wxString& val)
-        { Check(wxCMD_LINE_VAL_STRING); m_strVal = val; m_hasVal = TRUE; }
+        { Check(wxCMD_LINE_VAL_STRING); m_strVal = val; m_hasVal = true; }
 #if wxUSE_DATETIME
-    void SetDateVal(const wxDateTime val)
-        { Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = TRUE; }
+    void SetDateVal(const wxDateTime& val)
+        { Check(wxCMD_LINE_VAL_DATE); m_dateVal = val; m_hasVal = true; }
 #endif // wxUSE_DATETIME
 
-    void SetHasValue(bool hasValue = TRUE) { m_hasVal = hasValue; }
+    void SetHasValue(bool hasValue = true) { m_hasVal = hasValue; }
     bool HasValue() const { return m_hasVal; }
 
 public:
@@ -170,15 +166,15 @@ WX_DECLARE_OBJARRAY(wxCmdLineParam, wxArrayParams);
 
 #include "wx/arrimpl.cpp"
 
-WX_DEFINE_OBJARRAY(wxArrayOptions);
-WX_DEFINE_OBJARRAY(wxArrayParams);
+WX_DEFINE_OBJARRAY(wxArrayOptions)
+WX_DEFINE_OBJARRAY(wxArrayParams)
 
 // the parser internal state
 struct wxCmdLineParserData
 {
     // options
     wxString m_switchChars;     // characters which may start an option
-    bool m_enableLongOptions;   // TRUE if long options are enabled
+    bool m_enableLongOptions;   // true if long options are enabled
     wxString m_logo;            // some extra text to show in Usage()
 
     // cmd line data
@@ -189,7 +185,10 @@ struct wxCmdLineParserData
 
     // methods
     wxCmdLineParserData();
+    void SetArguments(int argc, char **argv);
+#if wxUSE_UNICODE
     void SetArguments(int argc, wxChar **argv);
+#endif // wxUSE_UNICODE
     void SetArguments(const wxString& cmdline);
 
     int FindOption(const wxString& name);
@@ -206,7 +205,7 @@ struct wxCmdLineParserData
 
 wxCmdLineParserData::wxCmdLineParserData()
 {
-    m_enableLongOptions = TRUE;
+    m_enableLongOptions = true;
 #ifdef __UNIX_LIKE__
     m_switchChars = _T("-");
 #else // !Unix
@@ -214,6 +213,18 @@ wxCmdLineParserData::wxCmdLineParserData()
 #endif
 }
 
+void wxCmdLineParserData::SetArguments(int argc, char **argv)
+{
+    m_arguments.clear();
+
+    for ( int n = 0; n < argc; n++ )
+    {
+        m_arguments.push_back(wxString::FromAscii(argv[n]));
+    }
+}
+
+#if wxUSE_UNICODE
+
 void wxCmdLineParserData::SetArguments(int argc, wxChar **argv)
 {
     m_arguments.clear();
@@ -224,11 +235,16 @@ void wxCmdLineParserData::SetArguments(int argc, wxChar **argv)
     }
 }
 
+#endif // wxUSE_UNICODE
+
 void wxCmdLineParserData::SetArguments(const wxString& cmdLine)
 {
     m_arguments.clear();
 
-    m_arguments.push_back(wxTheApp->GetAppName());
+    if(wxTheApp && wxTheApp->argc > 0)
+        m_arguments.push_back(wxTheApp->argv[0]);
+    else
+        m_arguments.push_back(wxEmptyString);
 
     wxArrayString args = wxCmdLineParser::ConvertStringToArgs(cmdLine);
 
@@ -277,11 +293,20 @@ void wxCmdLineParser::Init()
     m_data = new wxCmdLineParserData;
 }
 
+void wxCmdLineParser::SetCmdLine(int argc, char **argv)
+{
+    m_data->SetArguments(argc, argv);
+}
+
+#if wxUSE_UNICODE
+
 void wxCmdLineParser::SetCmdLine(int argc, wxChar **argv)
 {
     m_data->SetArguments(argc, argv);
 }
 
+#endif // wxUSE_UNICODE
+
 void wxCmdLineParser::SetCmdLine(const wxString& cmdline)
 {
     m_data->SetArguments(cmdline);
@@ -418,13 +443,13 @@ bool wxCmdLineParser::Found(const wxString& name) const
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
-    wxCHECK_MSG( i != wxNOT_FOUND, FALSE, _T("unknown switch") );
+    wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown switch") );
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
-        return FALSE;
+        return false;
 
-    return TRUE;
+    return true;
 }
 
 bool wxCmdLineParser::Found(const wxString& name, wxString *value) const
@@ -433,17 +458,17 @@ bool wxCmdLineParser::Found(const wxString& name, wxString *value) const
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
-    wxCHECK_MSG( i != wxNOT_FOUND, FALSE, _T("unknown option") );
+    wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown option") );
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
-        return FALSE;
+        return false;
 
-    wxCHECK_MSG( value, FALSE, _T("NULL pointer in wxCmdLineOption::Found") );
+    wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );
 
     *value = opt.GetStrVal();
 
-    return TRUE;
+    return true;
 }
 
 bool wxCmdLineParser::Found(const wxString& name, long *value) const
@@ -452,17 +477,17 @@ bool wxCmdLineParser::Found(const wxString& name, long *value) const
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
-    wxCHECK_MSG( i != wxNOT_FOUND, FALSE, _T("unknown option") );
+    wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown option") );
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
-        return FALSE;
+        return false;
 
-    wxCHECK_MSG( value, FALSE, _T("NULL pointer in wxCmdLineOption::Found") );
+    wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );
 
     *value = opt.GetLongVal();
 
-    return TRUE;
+    return true;
 }
 
 #if wxUSE_DATETIME
@@ -472,17 +497,17 @@ bool wxCmdLineParser::Found(const wxString& name, wxDateTime *value) const
     if ( i == wxNOT_FOUND )
         i = m_data->FindOptionByLongName(name);
 
-    wxCHECK_MSG( i != wxNOT_FOUND, FALSE, _T("unknown option") );
+    wxCHECK_MSG( i != wxNOT_FOUND, false, _T("unknown option") );
 
     wxCmdLineOption& opt = m_data->m_options[(size_t)i];
     if ( !opt.HasValue() )
-        return FALSE;
+        return false;
 
-    wxCHECK_MSG( value, FALSE, _T("NULL pointer in wxCmdLineOption::Found") );
+    wxCHECK_MSG( value, false, _T("NULL pointer in wxCmdLineOption::Found") );
 
     *value = opt.GetDateVal();
 
-    return TRUE;
+    return true;
 }
 #endif // wxUSE_DATETIME
 
@@ -504,7 +529,7 @@ 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);
+        opt.SetHasValue(false);
     }
 }
 
@@ -515,10 +540,10 @@ void wxCmdLineParser::Reset()
 
 int wxCmdLineParser::Parse(bool showUsage)
 {
-    bool maybeOption = TRUE;    // can the following arg be an option?
-    bool ok = TRUE;             // TRUE until an error is detected
-    bool helpRequested = FALSE; // TRUE if "-h" was given
-    bool hadRepeatableParam = FALSE; // TRUE if found param with MULTIPLE flag
+    bool maybeOption = true;    // can the following arg be an option?
+    bool ok = true;             // true until an error is detected
+    bool helpRequested = false; // true if "-h" was given
+    bool hadRepeatableParam = false; // true if found param with MULTIPLE flag
 
     size_t currentParam = 0;    // the index in m_paramDesc
 
@@ -539,7 +564,7 @@ int wxCmdLineParser::Parse(bool showUsage)
         // not like options (this is POSIX-like)
         if ( arg == _T("--") )
         {
-            maybeOption = FALSE;
+            maybeOption = false;
 
             continue;
         }
@@ -556,7 +581,7 @@ int wxCmdLineParser::Parse(bool showUsage)
             if ( arg[0u] == _T('-') && arg[1u] == _T('-') )
             {
                 // a long one
-                isLong = TRUE;
+                isLong = true;
 
                 // Skip leading "--"
                 const wxChar *p = arg.c_str() + 2;
@@ -585,7 +610,7 @@ int wxCmdLineParser::Parse(bool showUsage)
             }
             else
             {
-                isLong = FALSE;
+                isLong = false;
 
                 // a short one: as they can be cumulated, we try to find the
                 // longest substring which is a valid option
@@ -642,7 +667,7 @@ int wxCmdLineParser::Parse(bool showUsage)
 
             if ( optInd == wxNOT_FOUND )
             {
-                ok = FALSE;
+                ok = false;
 
                 continue;   // will break, in fact
             }
@@ -655,10 +680,10 @@ int wxCmdLineParser::Parse(bool showUsage)
 
                 if ( opt.flags & wxCMD_LINE_OPTION_HELP )
                 {
-                    helpRequested = TRUE;
+                    helpRequested = true;
 
                     // it's not an error, but we still stop here
-                    ok = FALSE;
+                    ok = false;
                 }
             }
             else
@@ -675,7 +700,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                     {
                         errorMsg << wxString::Format(_("Option '%s' requires a value, '=' expected."), name.c_str()) << wxT("\n");
 
-                        ok = FALSE;
+                        ok = false;
                     }
                 }
                 else
@@ -696,7 +721,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                                 errorMsg << wxString::Format(_("Option '%s' requires a value."),
                                                              name.c_str()) << wxT("\n");
 
-                                ok = FALSE;
+                                ok = false;
                             }
                             else
                             {
@@ -713,7 +738,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                                 errorMsg << wxString::Format(_("Separator expected after the option '%s'."),
                                                              name.c_str()) << wxT("\n");
 
-                                ok = FALSE;
+                                ok = false;
                             }
                     }
                 }
@@ -743,7 +768,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                                     errorMsg << wxString::Format(_("'%s' is not a correct numeric value for option '%s'."),
                                                                  value.c_str(), name.c_str()) << wxT("\n");
 
-                                    ok = FALSE;
+                                    ok = false;
                                 }
                             }
                             break;
@@ -758,7 +783,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                                     errorMsg << wxString::Format(_("Option '%s': '%s' cannot be converted to a date."),
                                                                  name.c_str(), value.c_str()) << wxT("\n");
 
-                                    ok = FALSE;
+                                    ok = false;
                                 }
                                 else
                                 {
@@ -792,14 +817,14 @@ int wxCmdLineParser::Parse(bool showUsage)
                                   _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;
+                    hadRepeatableParam = true;
                 }
             }
             else
             {
                 errorMsg << wxString::Format(_("Unexpected parameter '%s'"), arg.c_str()) << wxT("\n");
 
-                ok = FALSE;
+                ok = false;
             }
         }
     }
@@ -836,7 +861,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                 errorMsg << wxString::Format(_("The value for the option '%s' must be specified."),
                                              optName.c_str()) << wxT("\n");
 
-                ok = FALSE;
+                ok = false;
             }
         }
 
@@ -857,7 +882,7 @@ int wxCmdLineParser::Parse(bool showUsage)
                 errorMsg << wxString::Format(_("The required parameter '%s' was not specified."),
                                              param.description.c_str()) << wxT("\n");
 
-                ok = FALSE;
+                ok = false;
             }
         }
     }
@@ -903,14 +928,15 @@ void wxCmdLineParser::Usage()
 
 wxString wxCmdLineParser::GetUsageString()
 {
-    wxString appname = wxTheApp->GetAppName();
-    if ( !appname )
+    wxString appname;
+    if ( m_data->m_arguments.empty() )
     {
-        wxCHECK_MSG( m_data->m_arguments.size() != 0, wxEmptyString,
-                     _T("no program name") );
-
-        appname = wxFileNameFromPath(m_data->m_arguments[0]);
-        wxStripExtension(appname);
+        if ( wxTheApp )
+            appname = wxTheApp->GetAppName();
+    }
+    else // use argv[0]
+    {
+        appname = wxFileName(m_data->m_arguments[0]).GetName();
     }
 
     // we construct the brief cmd line desc on the fly, but not the detailed
@@ -1121,24 +1147,10 @@ static wxString GetLongOptionName(const wxChar *p)
 
 /*
    This function is mainly used under Windows (as under Unix we always get the
-   command line arguments as argc/argv anyhow) and so it tries to handle the
-   Windows path names (separated by backslashes) correctly. For this it only
-   considers that a backslash may be used to escape another backslash (but
-   normally this is _not_ needed) or a quote but nothing else.
-
-   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"
-
-   To pass an argument containing spaces and quotes, the latter should be
-   escaped with a backslash:
-
-   myprog.exe "foo \"bar\"" -> argc = 2, argv[1] = "foo "bar""
-
-   This hopefully matches the conventions used by Explorer/command line
-   interpreter under Windows. If not, this function should be fixed.
+   command line arguments as argc/argv anyhow) and so it tries to follow
+   Windows conventions for the command line handling, not Unix ones. For
+   instance, backslash is not special except when it precedes double quote when
+   it does quote it.
  */
 
 /* static */
@@ -1149,7 +1161,7 @@ wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxChar *p)
     wxString arg;
     arg.reserve(1024);
 
-    bool isInsideQuotes = FALSE;
+    bool isInsideQuotes = false;
     for ( ;; )
     {
         // skip white space
@@ -1161,80 +1173,49 @@ wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxChar *p)
             break;
 
         // parse this parameter
-        arg.clear();
-        for ( ;; p++ )
+        bool endParam = false;
+        bool lastBS = false;
+        for ( arg.clear(); !endParam; p++ )
         {
-            // do we have a (lone) backslash?
-            bool isQuotedByBS = FALSE;
-            while ( *p == _T('\\') )
-            {
-                p++;
-
-                // if we have 2 backslashes in a row, output one
-                // unless it looks like a UNC path \\machine\dir\file.ext
-                if ( isQuotedByBS || arg.Len() == 0 )
-                {
-                    arg += _T('\\');
-                    isQuotedByBS = FALSE;
-                }
-                else // the next char is quoted
-                {
-                    isQuotedByBS = TRUE;
-                }
-            }
-
-            bool skipChar = FALSE,
-                 endParam = FALSE;
             switch ( *p )
             {
                 case _T('"'):
-                    if ( !isQuotedByBS )
+                    if ( !lastBS )
                     {
-                        // don't put the quote itself in the arg
-                        skipChar = TRUE;
-
                         isInsideQuotes = !isInsideQuotes;
-                    }
-                    //else: insert a literal quote
 
+                        // don't put quote in arg
+                        continue;
+                    }
+                    //else: quote has no special meaning but the backslash
+                    //      still remains -- makes no sense but this is what
+                    //      Windows does
                     break;
 
                 case _T(' '):
                 case _T('\t'):
-                    // we intentionally don't check for preceding backslash
-                    // here as if we allowed it to be used to escape spaces the
-                    // cmd line of the form "foo.exe a:\ c:\bar" wouldn't be
-                    // parsed correctly
+                    // backslash does *not* quote the space, only quotes do
                     if ( isInsideQuotes )
                     {
-                        // preserve it, skip endParam below
+                        // skip assignment below
                         break;
                     }
-                    //else: fall through
+                    // fall through
 
                 case _T('\0'):
-                    endParam = TRUE;
-                    break;
+                    endParam = true;
 
-                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('\\');
-                    }
+                    break;
             }
 
-            // end of argument?
             if ( endParam )
-                break;
-
-            // otherwise copy this char to arg
-            if ( !skipChar )
             {
-                arg += *p;
+                break;
             }
+
+            lastBS = *p == _T('\\');
+
+            arg += *p;
         }
 
         args.push_back(arg);
@@ -1242,4 +1223,3 @@ wxArrayString wxCmdLineParser::ConvertStringToArgs(const wxChar *p)
 
     return args;
 }
-