HName.cc

   1 /*
   2  * Copyright (c) 2001 Stephen Williams (steve@icarus.com)
   3  *
   4  *    This source code is free software; you can redistribute it
   5  *    and/or modify it in source code form under the terms of the GNU
   6  *    General Public License as published by the Free Software
   7  *    Foundation; either version 2 of the License, or (at your option)
   8  *    any later version.
   9  *
  10  *    This program is distributed in the hope that it will be useful,
  11  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *    GNU General Public License for more details.
  14  *
  15  *    You should have received a copy of the GNU General Public License
  16  *    along with this program; if not, write to the Free Software
  17  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  18  */
  19 #ifdef HAVE_CVS_IDENT
  20 #ident "$Id: HName.cc,v 1.8 2007/06/02 03:42:12 steve Exp $"
  21 #endif
  22
  23 # include  "config.h"
  24 # include  "HName.h"
  25 # include  <iostream>
  26 # include  <cstring>
  27 # include  <cstdlib>
  28 # include  <climits>
  29 #ifdef HAVE_MALLOC_H
  30 # include  <malloc.h>
  31 #endif
  32
  33
  34 hname_t::hname_t()
  35 {
  36       number_ = INT_MIN;
  37 }
  38
  39 hname_t::hname_t(perm_string text)
  40 {
  41       name_ = text;
  42       number_ = INT_MIN;
  43 }
  44
  45 hname_t::hname_t(perm_string text, int num)
  46 {
  47       name_ = text;
  48       number_ = num;
  49 }
  50
  51 hname_t::hname_t(const hname_t&that)
  52 {
  53       name_ = that.name_;
  54       number_ = that.number_;
  55 }
  56
  57 hname_t& hname_t::operator = (const hname_t&that)
  58 {
  59       name_ = that.name_;
  60       number_ = that.number_;
  61       return *this;
  62 }
  63
  64 hname_t::~hname_t()
  65 {
  66 }
  67
  68 perm_string hname_t::peek_name(void) const
  69 {
  70       return name_;
  71 }
  72
  73 bool hname_t::has_number() const
  74 {
  75       return number_ != INT_MIN;
  76 }
  77
  78 int hname_t::peek_number() const
  79 {
  80       return number_;
  81 }
  82
  83 bool operator < (const hname_t&l, const hname_t&r)
  84 {
  85       int cmp = strcmp(l.peek_name(), r.peek_name());
  86       if (cmp < 0) return true;
  87       if (cmp > 0) return false;
  88       if (l.has_number() && r.has_number())
  89             return l.peek_number() < r.peek_number();
  90       else
  91             return false;
  92 }
  93
  94 bool operator == (const hname_t&l, const hname_t&r)
  95 {
  96       if (l.peek_name() == r.peek_name()) {
  97             if (l.has_number() && r.has_number())
  98                   return l.peek_number() == r.peek_number();
  99             else
 100                   return true;
 101       }
 102
 103       return false;
 104 }
 105
 106 bool operator != (const hname_t&l, const hname_t&r)
 107 { return ! (l==r); }
 108
 109 ostream& operator<< (ostream&out, const hname_t&that)
 110 {
 111       if (that.peek_name() == 0) {
 112             out << "";
 113             return out;
 114       }
 115
 116       out << that.peek_name();
 117       if (that.has_number())
 118             out << "[" << that.peek_number() << "]";
 119
 120       return out;
 121 }
 122
 123 /*
 124  * $Log: HName.cc,v $
 125  * Revision 1.8  2007/06/02 03:42:12  steve
 126  *  Properly evaluate scope path expressions.
 127  *
 128  * Revision 1.7  2007/05/16 19:12:33  steve
 129  *  Fix hname_t use of space for 1 perm_string.
 130  *
 131  * Revision 1.6  2007/04/26 03:06:21  steve
 132  *  Rework hname_t to use perm_strings.
 133  *
 134  * Revision 1.5  2002/11/02 03:27:52  steve
 135  *  Allow named events to be referenced by
 136  *  hierarchical names.
 137  *
 138  * Revision 1.4  2002/08/12 01:34:58  steve
 139  *  conditional ident string using autoconfig.
 140  *
 141  * Revision 1.3  2002/01/05 04:36:06  steve
 142  *  include malloc.h only when available.
 143  *
 144  * Revision 1.2  2001/12/18 04:52:45  steve
 145  *  Include config.h for namespace declaration.
 146  *
 147  * Revision 1.1  2001/12/03 04:47:14  steve
 148  *  Parser and pform use hierarchical names as hname_t
 149  *  objects instead of encoded strings.
 150  *
 151  */
 152