More CD support

[apt.git] / apt-pkg / contrib / cmndline.cc

diff --git a/apt-pkg/contrib/cmndline.cc b/apt-pkg/contrib/cmndline.cc
index 6b36325c7c71949e0905abedb45aa85db031feb4..858a5300ab4af9d6717f1048cb694f0596da934a 100644 (file)
--- a/apt-pkg/contrib/cmndline.cc
+++ b/apt-pkg/contrib/cmndline.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: cmndline.cc,v 1.1 1998/09/22 05:30:26 jgg Exp $
+// $Id: cmndline.cc,v 1.6 1998/11/25 23:54:22 jgg Exp $

 /* ######################################################################
 
    Command Line Class - Sophisticated command line parser
 /* ######################################################################
 
    Command Line Class - Sophisticated command line parser


@@ -22,6 +22,14 @@
 CommandLine::CommandLine(Args *AList,Configuration *Conf) : ArgList(AList), 
                                  Conf(Conf), FileList(0)
 {
 CommandLine::CommandLine(Args *AList,Configuration *Conf) : ArgList(AList), 
                                  Conf(Conf), FileList(0)
 {

+}
+                                                                       /*}}}*/
+// CommandLine::~CommandLine - Destructor                              /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+CommandLine::~CommandLine()
+{
+   delete [] FileList;

 }
                                                                        /*}}}*/
 // CommandLine::Parse - Main action member                             /*{{{*/
 }
                                                                        /*}}}*/
 // CommandLine::Parse - Main action member                             /*{{{*/


@@ -29,6 +37,7 @@ CommandLine::CommandLine(Args *AList,Configuration *Conf) : ArgList(AList),
 /* */
 bool CommandLine::Parse(int argc,const char **argv)
 {
 /* */
 bool CommandLine::Parse(int argc,const char **argv)
 {

+   delete [] FileList;

    FileList = new const char *[argc];
    const char **Files = FileList;
    int I;
    FileList = new const char *[argc];
    const char **Files = FileList;
    int I;


@@ -79,6 +88,7 @@ bool CommandLine::Parse(int argc,const char **argv)
           stringcasecmp(Opt,OptEnd,A->LongOpt) != 0; A++);
       
       // Failed, look for a word after the first - (no-foo)
           stringcasecmp(Opt,OptEnd,A->LongOpt) != 0; A++);
       
       // Failed, look for a word after the first - (no-foo)

+      bool PreceedMatch = false;

       if (A->end() == true)
       {
         for (; Opt != OptEnd && *Opt != '-'; Opt++);
       if (A->end() == true)
       {
         for (; Opt != OptEnd && *Opt != '-'; Opt++);


@@ -86,6 +96,7 @@ bool CommandLine::Parse(int argc,const char **argv)
         if (Opt == OptEnd)
            return _error->Error("Command line option %s is not understood",argv[I]);
         Opt++;
         if (Opt == OptEnd)
            return _error->Error("Command line option %s is not understood",argv[I]);
         Opt++;

+        cout << Opt << endl;

         
         for (A = ArgList; A->end() == false &&
              stringcasecmp(Opt,OptEnd,A->LongOpt) != 0; A++);
         
         for (A = ArgList; A->end() == false &&
              stringcasecmp(Opt,OptEnd,A->LongOpt) != 0; A++);


@@ -93,17 +104,25 @@ bool CommandLine::Parse(int argc,const char **argv)
         // Failed again..
         if (A->end() == true && OptEnd - Opt != 1)
            return _error->Error("Command line option %s is not understood",argv[I]);
         // Failed again..
         if (A->end() == true && OptEnd - Opt != 1)
            return _error->Error("Command line option %s is not understood",argv[I]);

-        
+

         // The option could be a single letter option prefixed by a no-..
         // The option could be a single letter option prefixed by a no-..

-        for (A = ArgList; A->end() == false && A->ShortOpt != *Opt; A++);
-        

         if (A->end() == true)
         if (A->end() == true)

-           return _error->Error("Command line option %s is not understood",argv[I]);
+        {
+           for (A = ArgList; A->end() == false && A->ShortOpt != *Opt; A++);
+           
+           if (A->end() == true)
+              return _error->Error("Command line option %s is not understood",argv[I]);
+        }
+        
+        // The option is not boolean
+        if (A->IsBoolean() == false)
+           return _error->Error("Command line option %s is not boolean",argv[I]);
+        PreceedMatch = true;

       }
       
       // Deal with it.
       OptEnd--;
       }
       
       // Deal with it.
       OptEnd--;

-      if (HandleOpt(I,argc,argv,OptEnd,A) == false)
+      if (HandleOpt(I,argc,argv,OptEnd,A,PreceedMatch) == false)

         return false;
    }
    
         return false;
    }
    


@@ -121,7 +140,7 @@ bool CommandLine::Parse(int argc,const char **argv)
    and looks for specific patterns in the string, it gets tokanized
    -ruffly- like -*[yes|true|enable]-(o|longopt)[=][ ][argument] */
 bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],
    and looks for specific patterns in the string, it gets tokanized
    -ruffly- like -*[yes|true|enable]-(o|longopt)[=][ ][argument] */
 bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],

-                           const char *&Opt,Args *A)
+                           const char *&Opt,Args *A,bool PreceedMatch)

 {
    const char *Argument = 0;
    bool CertainArg = false;
 {
    const char *Argument = 0;
    bool CertainArg = false;


@@ -152,7 +171,7 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],
       else
         Argument = Opt + 1;
    }
       else
         Argument = Opt + 1;
    }

-
+   

    // Option is an argument set
    if ((A->Flags & HasArg) == HasArg)
    {
    // Option is an argument set
    if ((A->Flags & HasArg) == HasArg)
    {


@@ -164,6 +183,27 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],
       // Parse a configuration file
       if ((A->Flags & ConfigFile) == ConfigFile)
         return ReadConfigFile(*Conf,Argument);
       // Parse a configuration file
       if ((A->Flags & ConfigFile) == ConfigFile)
         return ReadConfigFile(*Conf,Argument);

+
+      // Arbitary item specification
+      if ((A->Flags & ArbItem) == ArbItem)
+      {
+        const char *J;
+        for (J = Argument; *J != 0 && *J != '='; J++);
+        if (*J == 0)
+           return _error->Error("Option %s: Configuration item sepecification must have an =<val>.",argv[I]);
+
+        // = is trailing
+        if (J[1] == 0)
+        {
+           if (I+1 >= argc)
+              return _error->Error("Option %s: Configuration item sepecification must have an =<val>.",argv[I]);
+           Conf->Set(string(Argument,J-Argument),string(argv[I++ +1]));
+        }
+        else
+           Conf->Set(string(Argument,J-Argument),string(J+1));
+        
+        return true;
+      }

       
       Conf->Set(A->ConfName,Argument);
       return true;
       
       Conf->Set(A->ConfName,Argument);
       return true;


@@ -207,11 +247,16 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],
       char Buffer[300];
       if (Argument == 0)
       {
       char Buffer[300];
       if (Argument == 0)
       {

+        if (PreceedMatch == false)
+           break;
+        

         if (strlen(argv[I]) >= sizeof(Buffer))
            return _error->Error("Option '%s' is too long",argv[I]);
         if (strlen(argv[I]) >= sizeof(Buffer))
            return _error->Error("Option '%s' is too long",argv[I]);

-        
+
+        // Skip the leading dash

         const char *J = argv[I];
         for (; *J != 0 && *J == '-'; J++);
         const char *J = argv[I];
         for (; *J != 0 && *J == '-'; J++);

+        

         const char *JEnd = J;
         for (; *JEnd != 0 && *JEnd != '-'; JEnd++);
         if (*JEnd != 0)
         const char *JEnd = J;
         for (; *JEnd != 0 && *JEnd != '-'; JEnd++);
         if (*JEnd != 0)


@@ -225,14 +270,10 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],
            break;
       }
 
            break;
       }
 

-      // Check for positives
-      if (strcasecmp(Argument,"yes") == 0 ||
-         strcasecmp(Argument,"true") == 0 ||
-         strcasecmp(Argument,"with") == 0 ||
-         strcasecmp(Argument,"enable") == 0)
+      // Check for boolean
+      Sense = StringToBool(Argument);
+      if (Sense >= 0)

       {
       {

-        Sense = 1;
-

         // Eat the argument     
         if (Argument != Buffer)
         {
         // Eat the argument     
         if (Argument != Buffer)
         {


@@ -242,23 +283,6 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],
         break;
       }
 
         break;
       }
 

-      // Check for negatives
-      if (strcasecmp(Argument,"no") == 0 ||
-         strcasecmp(Argument,"false") == 0 ||
-         strcasecmp(Argument,"without") == 0 ||
-         strcasecmp(Argument,"disable") == 0)
-      {
-        Sense = 0;
-        
-        // Eat the argument     
-        if (Argument != Buffer)
-        {
-           Opt += strlen(Opt);
-           I += IncI;
-        }       
-        break;
-      }
-      

       if (CertainArg == true)
         return _error->Error("Sense %s is not understood, try true or false.",Argument);
       
       if (CertainArg == true)
         return _error->Error("Sense %s is not understood, try true or false.",Argument);
       


@@ -278,3 +302,37 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

+// CommandLine::FileSize - Count the number of filenames               /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+unsigned int CommandLine::FileSize() const
+{
+   unsigned int Count = 0;
+   for (const char **I = FileList; I != 0 && *I != 0; I++)
+      Count++;
+   return Count;
+}
+                                                                       /*}}}*/
+// CommandLine::DispatchArg - Do something with the first arg          /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool CommandLine::DispatchArg(Dispatch *Map)
+{
+   int I;
+   for (I = 0; Map[I].Match != 0; I++)
+   {
+      if (strcmp(FileList[0],Map[I].Match) == 0)
+      {
+        bool Res = Map[I].Handler(*this);
+        if (Res == false && _error->PendingError() == false)
+           _error->Error("Handler silently failed");
+        return Res;
+      }
+   }
+   
+   // No matching name
+   if (Map[I].Match == 0)
+      _error->Error("Invalid operation %s",FileList[0]);
+   return false;
+}
+                                                                       /*}}}*/