include/AD/prettypr/prettybase.h

   1 //////////////////////////////////////////////////////////////////////////////
   2 // NOTICE:
   3 //
   4 // ADLib, Prop and their related set of tools and documentation are in the
   5 // public domain.   The author(s) of this software reserve no copyrights on
   6 // the source code and any code generated using the tools.  You are encouraged
   7 // to use ADLib and Prop to develop software, in both academic and commercial
   8 // settings, and are welcomed to incorporate any part of ADLib and Prop into
   9 // your programs.
  10 //
  11 // Although you are under no obligation to do so, we strongly recommend that
  12 // you give away all software developed using our tools.
  13 //
  14 // We also ask that credit be given to us when ADLib and/or Prop are used in
  15 // your programs, and that this notice be preserved intact in all the source
  16 // code.
  17 //
  18 // This software is still under development and we welcome(read crave for)
  19 // any suggestions and help from the users.
  20 //
  21 // Allen Leung (leunga@valis.cs.nyu.edu)
  22 // 1994-1995
  23 //////////////////////////////////////////////////////////////////////////////
  24 #ifndef prop_pretty_printer_base_class_h
  25 #define prop_pretty_printer_base_class_h
  26
  27 //////////////////////////////////////////////////////////////////////////////
  28 //
  29 //  Forward declarations
  30 //
  31 //////////////////////////////////////////////////////////////////////////////
  32 class ostream;
  33
  34 //////////////////////////////////////////////////////////////////////////////
  35 //
  36 //  Class PrettyPrinterBase is the base class for all Prop generated
  37 //  pretty printers.
  38 //
  39 //////////////////////////////////////////////////////////////////////////////
  40
  41 class PrettyPrinterBase {
  42    PrettyPrinterBase(const PrettyPrinterBase&); // no copy constructor
  43    void operator = (const PrettyPrinterBase&);  // no copying
  44 protected:
  45    ostream * stream;  // output stream.
  46 public:
  47             PrettyPrinterBase();
  48             PrettyPrinterBase(ostream&);
  49    virtual ~PrettyPrinterBase();
  50
  51    virtual PrettyPrinterBase& open (ostream&);
  52 };
  53
  54 #endif