/*
 * Copyright (c) 2006 Sandia Corporation. Under the terms of Contract
 * DE-AC04-94AL85000 with Sandia Corporation, the U.S. Governement
 * retains certain rights in this software.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 * 
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.  
 * 
 *     * Neither the name of Sandia Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 */
/*****************************************************************************
*
* expvnm - ex_put_var_name
*
* author - Sandia National Laboratories
*          Larry A. Schoof - Original
*          James A. Schutt - 8 byte float and standard C definitions
*          Vic Yarberry    - Added headers and error logging
*          David Thompson  - Support for edge/face elements and element sets
*
*          
* environment - UNIX
*
* entry conditions - 
*   input parameters:
*       int     exoid                   exodus file id
*       char*   var_type                variable type: G,N, or E
*       int     var_num                 variable number name to write 1..num_var
*       char*   var_name                ptr of variable name
*
* exit conditions - 
*
* revision history - 
*
*  Id
*
*****************************************************************************/

#include "exodusII.h"
#include "exodusII_int.h"
#include <string.h>
#include <ctype.h>

/*!
 * writes the name of a particular results variable to the database
 */

int ex_put_var_name (int   exoid,
                     const char *var_type,
                     int   var_num,
                     const char *var_name)
{
   int varid; 
   long  start[2], count[2];
   char errmsg[MAX_ERR_LENGTH];
   int otype;
   const char* vname;
   const char* tname;

   exerrval = 0; /* clear error code */

/* inquire previously defined dimensions  */

   if ((ncdimid (exoid, DIM_STR)) < 0)
   {
     exerrval = ncerr;
     sprintf(errmsg,
            "Error: failed to get string length in file id %d",exoid);
     ex_err("ex_put_var_name",errmsg,exerrval);
     return (EX_FATAL);
   }

/* inquire previously defined variables  */

   otype = tolower( *var_type );
   switch (otype) {
   case 'g': /* global var */
     vname = VAR_NAME_GLO_VAR;
     tname = "global";
     break;
   case 'n': /* node var */
     vname = VAR_NAME_NOD_VAR;
     tname = "nodal";
     break;
   case 'e': /* elem var */
     vname = VAR_NAME_ELE_VAR;
     tname = "element";
     break;
   case 'l': /* edge var */
     vname = VAR_NAME_EDG_VAR;
     tname = "edge";
     break;
   case 'f': /* face var */
     vname = VAR_NAME_FAC_VAR;
     tname = "face";
     break;
   case 'm': /* node set var */
     vname = VAR_NAME_NSET_VAR;
     tname = "node set";
     break;
   case 'd': /* edge set var */
     vname = VAR_NAME_ESET_VAR;
     tname = "edge set";
     break;
   case 'a': /* face set var */
     vname = VAR_NAME_FSET_VAR;
     tname = "face set";
     break;
   case 's': /* side set var */
     vname = VAR_NAME_SSET_VAR;
     tname = "side set";
     break;
   case 't': /* elem set var */
     vname = VAR_NAME_ELSET_VAR;
     tname = "element set";
     break;
   default:
     exerrval = EX_BADPARAM;
     sprintf(errmsg,
       "Error: Invalid variable type %c specified in file id %d",
       *var_type, exoid);
     ex_err("ex_put_var_name",errmsg,exerrval);
     return (EX_WARN);
   }

   if ((varid = ncvarid (exoid, vname)) == -1) {
     exerrval = ncerr;
     sprintf( errmsg,
       "Warning: no %s variables names stored in file id %d", tname, exoid );
     ex_err("ex_put_var_name",errmsg,exerrval);
     return (EX_WARN);
   }

/* write EXODUS variable name */

   start[0] = var_num-1;
   start[1] = 0;

   count[0] = 1;
   count[1] = (long)strlen(var_name) + 1;

   if (ncvarput (exoid, varid, start, count, (void*)var_name) == -1)
   {
     exerrval = ncerr;
     sprintf(errmsg,
            "Error: failed to store %c variable name %d in file id %d",
             *var_type, var_num, exoid);
     ex_err("ex_put_var_name",errmsg,exerrval);
     return (EX_FATAL);
   }

   return(EX_NOERR);
}
