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       1                 :            : /*
       2                 :            :  * variable.cpp - generic variable class implementation
       3                 :            :  *
       4                 :            :  * Copyright (C) 2004, 2007 Stefan Jahn <stefan@lkcc.org>
       5                 :            :  *
       6                 :            :  * This is free software; you can redistribute it and/or modify
       7                 :            :  * it under the terms of the GNU General Public License as published by
       8                 :            :  * the Free Software Foundation; either version 2, or (at your option)
       9                 :            :  * any later version.
      10                 :            :  *
      11                 :            :  * This software is distributed in the hope that it will be useful,
      12                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14                 :            :  * GNU General Public License for more details.
      15                 :            :  *
      16                 :            :  * You should have received a copy of the GNU General Public License
      17                 :            :  * along with this package; see the file COPYING.  If not, write to
      18                 :            :  * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
      19                 :            :  * Boston, MA 02110-1301, USA.
      20                 :            :  *
      21                 :            :  * $Id$
      22                 :            :  *
      23                 :            :  */
      24                 :            : 
      25                 :            : #if HAVE_CONFIG_H
      26                 :            : # include <config.h>
      27                 :            : #endif
      28                 :            : 
      29                 :            : #include <stdio.h>
      30                 :            : #include <stdlib.h>
      31                 :            : #include <string.h>
      32                 :            : 
      33                 :            : #include "logging.h"
      34                 :            : #include "equation.h"
      35                 :            : #include "components/microstrip/substrate.h"
      36                 :            : #include "analysis.h"
      37                 :            : #include "variable.h"
      38                 :            : 
      39                 :            : namespace qucs {
      40                 :            : 
      41                 :            : // Constructor creates an unnamed instance of the variable class.
      42                 :          0 : variable::variable () : name() {
      43                 :          0 :   next = NULL;
      44                 :          0 :   type = VAR_UNKNOWN;
      45                 :          0 :   pass = true;
      46                 :          0 : }
      47                 :            : 
      48                 :            : // This constructor creates a named instance of the variable class.
      49                 :         90 : variable::variable (const char * const n) {
      50 [ +  - ][ +  - ]:         90 :   name = n ? std::string(n) : std::string();
         [ #  # ][ +  - ]
                 [ +  - ]
           [ #  #  #  # ]
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
                 [ #  # ]
      51                 :         90 :   next = NULL;
      52                 :         90 :   type = VAR_UNKNOWN;
      53                 :         90 :   pass = true;
      54                 :         90 : }
      55                 :            : 
      56                 :            : /* This copy constructor creates a instance of the variable class based
      57                 :            :    on the given variable. */
      58                 :         81 : variable::variable (const variable & o) {
      59   [ +  -  #  # ]:         81 :   this->name = o.name;
      60                 :         81 :   type = o.type;
      61                 :         81 :   next = o.next;
      62                 :         81 :   pass = o.pass;
      63                 :         81 :   value = o.value;
      64                 :         81 : }
      65                 :            : 
      66                 :            : 
      67                 :            : // Creates textual representation of a variable.
      68                 :          0 : const char * variable::toString (void) {
      69         [ #  # ]:          0 :   std::string text;
      70                 :          0 :   char * str = NULL;
      71                 :          0 :   char * val = NULL;
      72   [ #  #  #  #  :          0 :   switch (type) {
                #  #  # ]
      73                 :            :   case VAR_UNKNOWN:
      74         [ #  # ]:          0 :     text = "variable";
      75                 :          0 :     break;
      76                 :            :   case VAR_CONSTANT:
      77         [ #  # ]:          0 :     str = value.c->toString ();
      78 [ #  # ][ #  # ]:          0 :     text = "constant: "+std::string(str);
                 [ #  # ]
      79                 :          0 :     break;
      80                 :            :   case VAR_VALUE:
      81         [ #  # ]:          0 :     str = value.v->toString ();
      82 [ #  # ][ #  # ]:          0 :     text = "value: "+std::string(str);
                 [ #  # ]
      83                 :          0 :     break;
      84                 :            :   case VAR_REFERENCE:
      85         [ #  # ]:          0 :     str = value.r->toString ();
      86         [ #  # ]:          0 :     val = value.r->getResult()->toString ();
      87 [ #  # ][ #  # ]:          0 :     text = "reference: "+std::string(str)+" = "+std::string(val);
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
      88                 :          0 :     break;
      89                 :            :   case VAR_SUBSTRATE:
      90                 :          0 :     str = value.s->getName ();
      91 [ #  # ][ #  # ]:          0 :     text = "substrate: "+std::string(str);
                 [ #  # ]
      92                 :          0 :     break;
      93                 :            :   case VAR_ANALYSIS:
      94                 :          0 :     str = value.a->getName ();
      95 [ #  # ][ #  # ]:          0 :     text = "analysis: "+std::string(str);
                 [ #  # ]
      96                 :          0 :     break;
      97                 :            :   default:
      98         [ #  # ]:          0 :     text = "?variable?";
      99                 :          0 :     break;
     100                 :            :   }
     101                 :          0 :   return text.c_str();
     102                 :            : }
     103                 :            : 
     104                 :            : } // namespace qucs