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  <string.h>
  27 # include  <stdlib.h>
  28 #ifdef HAVE_MALLOC_H
  29 # include  <malloc.h>
  30 #endif
  31
  32
  33 hname_t::hname_t()
  34 {
  35       number_ = INT_MIN;
  36 }
  37
  38 hname_t::hname_t(perm_string text)
  39 {
  40       name_ = text;
  41       number_ = INT_MIN;
  42 }
  43
  44 hname_t::hname_t(perm_string text, int num)
  45 {
  46       name_ = text;
  47       number_ = num;
  48 }
  49
  50 hname_t::hname_t(const hname_t&that)
  51 {
  52       name_ = that.name_;
  53       number_ = that.number_;
  54 }
  55
  56 hname_t& hname_t::operator = (const hname_t&that)
  57 {
  58       name_ = that.name_;
  59       number_ = that.number_;
  60       return *this;
  61 }
  62
  63 hname_t::~hname_t()
  64 {
  65 }
  66
  67 perm_string hname_t::peek_name(void) const
  68 {
  69       return name_;
  70 }
  71
  72 bool hname_t::has_number() const
  73 {
  74       return number_ != INT_MIN;
  75 }
  76
  77 int hname_t::peek_number() const
  78 {
  79       return number_;
  80 }
  81
  82 bool operator < (const hname_t&l, const hname_t&r)
  83 {
  84       int cmp = strcmp(l.peek_name(), r.peek_name());
  85       if (cmp < 0) return true;
  86       if (cmp > 0) return false;
  87       if (l.has_number() && r.has_number())
  88             return l.peek_number() < r.peek_number();
  89       else
  90             return false;
  91 }
  92
  93 bool operator == (const hname_t&l, const hname_t&r)
  94 {
  95       if (l.peek_name() == r.peek_name()) {
  96             if (l.has_number() && r.has_number())
  97                   return l.peek_number() == r.peek_number();
  98             else
  99                   return true;
 100       }
 101
 102       return false;
 103 }
 104
 105 bool operator != (const hname_t&l, const hname_t&r)
 106 { return ! (l==r); }
 107
 108 ostream& operator<< (ostream&out, const hname_t&that)
 109 {
 110       if (that.peek_name() == 0) {
 111             out << "";
 112             return out;
 113       }
 114
 115       out << that.peek_name();
 116       if (that.has_number())
 117             out << "[" << that.peek_number() << "]";
 118
 119       return out;
 120 }
 121
 122 /*
 123  * $Log: HName.cc,v $
 124  * Revision 1.8  2007/06/02 03:42:12  steve
 125  *  Properly evaluate scope path expressions.
 126  *
 127  * Revision 1.7  2007/05/16 19:12:33  steve
 128  *  Fix hname_t use of space for 1 perm_string.
 129  *
 130  * Revision 1.6  2007/04/26 03:06:21  steve
 131  *  Rework hname_t to use perm_strings.
 132  *
 133  * Revision 1.5  2002/11/02 03:27:52  steve
 134  *  Allow named events to be referenced by
 135  *  hierarchical names.
 136  *
 137  * Revision 1.4  2002/08/12 01:34:58  steve
 138  *  conditional ident string using autoconfig.
 139  *
 140  * Revision 1.3  2002/01/05 04:36:06  steve
 141  *  include malloc.h only when available.
 142  *
 143  * Revision 1.2  2001/12/18 04:52:45  steve
 144  *  Include config.h for namespace declaration.
 145  *
 146  * Revision 1.1  2001/12/03 04:47:14  steve
 147  *  Parser and pform use hierarchical names as hname_t
 148  *  objects instead of encoded strings.
 149  *
 150  */
 151