PackageSpecification.cc

   1 /*
   2  * Copyright (c) 2002, Robert Collins.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by Robert Collins  <rbtcollins@hotmail.com>
  13  *
  14  */
  15
  16 #if 0
  17 static const char *cvsid = "\n%%% $Id$\n";
  18 #endif
  19
  20 #include "PackageSpecification.h"
  21 #include "package_version.h"
  22
  23 PackageSpecification::PackageSpecification (String const &packageName)
  24   : _packageName (packageName) , _operator (0), _version ()
  25 {
  26 }
  27
  28 String const&
  29 PackageSpecification::packageName () const
  30 {
  31   return _packageName;
  32 }
  33
  34 void
  35 PackageSpecification::setOperator (_operators const &anOperator)
  36 {
  37   _operator = &anOperator;
  38 }
  39
  40 void
  41 PackageSpecification::setVersion (String const &aVersion)
  42 {
  43   _version = aVersion;
  44 }
  45
  46 bool
  47 PackageSpecification::satisfies (packageversion const &aPackage) const
  48 {
  49   return false;
  50 }
  51
  52 String
  53 PackageSpecification::serialise () const
  54 {
  55   return _packageName;
  56 }
  57
  58 PackageSpecification &
  59 PackageSpecification::operator= (PackageSpecification const &rhs)
  60 {
  61   _packageName = rhs._packageName;
  62   return *this;
  63 }
  64
  65 std::ostream &
  66 operator << (std::ostream &os, PackageSpecification const &spec)
  67 {
  68   os << spec._packageName;
  69   if (spec._operator)
  70     os << " " << spec._operator->caption() << " " << spec._version;
  71   return os;
  72 }
  73
  74 const PackageSpecification::_operators PackageSpecification::Equals(0);
  75 const PackageSpecification::_operators PackageSpecification::LessThan(1);
  76 const PackageSpecification::_operators PackageSpecification::MoreThan(2);
  77 const PackageSpecification::_operators PackageSpecification::LessThanEquals(3);
  78 const PackageSpecification::_operators PackageSpecification::MoreThanEquals(4);
  79
  80 char const *
  81 PackageSpecification::_operators::caption () const
  82 {
  83   switch (_value)
  84     {
  85     case 0:
  86     return "==";
  87     case 1:
  88     return "<";
  89     case 2:
  90     return ">";
  91     case 3:
  92     return "<=";
  93     case 4:
  94     return ">=";
  95     }
  96   // Pacify GCC: (all case options are checked above)
  97   return "Unknown operator";
  98 }