give a descriptive error for pipe tries with 'false'

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

diff --git a/apt-pkg/contrib/cmndline.h b/apt-pkg/contrib/cmndline.h
index 038f421e70b5ee3b08efc8ac05a18a626e8e8646..805cb9eae83bc5310bd56e226b6b7b137eff9338 100644 (file)
--- a/apt-pkg/contrib/cmndline.h
+++ b/apt-pkg/contrib/cmndline.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: cmndline.h,v 1.1 1998/09/22 05:30:26 jgg Exp $
+// $Id: cmndline.h,v 1.7 1999/10/31 06:32:28 jgg Exp $
 /* ######################################################################
 
    Command Line Class - Sophisticated command line parser
@@ -17,7 +17,7 @@
    
  CommandLine::Args Args[] = 
  {{'q',"quiet","apt::get::quiet",CommandLine::IntLevel},
-  {0,0,0,0,0}};
+  {0,0,0,0}};
    
    The flags mean,
      HasArg - Means the argument has a value
@@ -34,31 +34,39 @@
      ConfigFile - Means this flag should be interprited as the name of 
                   a config file to read in at this point in option processing.
                   Implies HasArg.
+     ArbItem    - Means the item is an arbitrary configuration string of
+                  the form item=value, where item is passed directly
+                  to the configuration class.
    The default, if the flags are 0 is to use Boolean
    
    ##################################################################### */
                                                                        /*}}}*/
-// Header section: pkglib
 #ifndef PKGLIB_CMNDLINE_H
 #define PKGLIB_CMNDLINE_H
 
-#ifdef __GNUG__
-#pragma interface "apt-pkg/cmndline.h"
-#endif 
+#include <apt-pkg/macros.h>
 
+#ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/configuration.h>
+#endif
+
+class Configuration;
 
 class CommandLine
 {
    public:
    struct Args;
+   struct Dispatch;
+   struct DispatchWithHelp;
    
    protected:
    
    Args *ArgList;
    Configuration *Conf;
-   bool HandleOpt(int &I,int argc,const char *argv[],const char *&Opt,Args *A);
-   
+   bool HandleOpt(int &I,int argc,const char *argv[],
+                 const char *&Opt,Args *A,bool PreceedeMatch = false);
+   void static SaveInConfig(unsigned int const &argc, char const * const * const argv);
+
    public:
    
    enum AFlags 
@@ -67,15 +75,28 @@ class CommandLine
       IntLevel = (1 << 1),
       Boolean = (1 << 2),
       InvBoolean = (1 << 3),
-      ConfigFile = (1 << 4) | HasArg
+      ConfigFile = (1 << 4) | HasArg,
+      ArbItem = (1 << 5) | HasArg
    };
 
    const char **FileList;
    
    bool Parse(int argc,const char **argv);
    void ShowHelp();
+   unsigned int FileSize() const APT_PURE;
+   // FIXME: merge on next ABI break
+   bool DispatchArg(Dispatch *List,bool NoMatch = true);
+   bool DispatchArg(Dispatch const * const List,bool NoMatch = true);
       
+   static char const * GetCommand(Dispatch const * const Map,
+        unsigned int const argc, char const * const * const argv) APT_PURE;
+
+   static CommandLine::Args MakeArgs(char ShortOpt, char const *LongOpt,
+        char const *ConfName, unsigned long Flags) APT_CONST;
+
+   CommandLine();
    CommandLine(Args *AList,Configuration *Conf);
+   ~CommandLine();
 };
 
 struct CommandLine::Args
@@ -86,6 +107,13 @@ struct CommandLine::Args
    unsigned long Flags;
    
    inline bool end() {return ShortOpt == 0 && LongOpt == 0;};
+   inline bool IsBoolean() {return Flags == 0 || (Flags & (Boolean|InvBoolean)) != 0;};
 };
-         
+
+struct CommandLine::Dispatch
+{
+   const char *Match;
+   bool (*Handler)(CommandLine &);
+};
+
 #endif