bes  Updated for version 3.20.6
FFInt16.cc
1 
2 // -*- mode: c++; c-basic-offset:4 -*-
3 
4 // This file is part of ff_handler a FreeForm API handler for the OPeNDAP
5 // DAP2 data server.
6 
7 // Copyright (c) 2005 OPeNDAP, Inc.
8 // Author: James Gallagher <jgallagher@opendap.org>
9 //
10 // This is free software; you can redistribute it and/or modify it under the
11 // terms of the GNU Lesser General Public License as published by the Free
12 // Software Foundation; either version 2.1 of the License, or (at your
13 // option) any later version.
14 //
15 // This software is distributed in the hope that it will be useful, but
16 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
17 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
18 // License for more details.
19 //
20 // You should have received a copy of the GNU Lesser General Public
21 // License along with this library; if not, write to the Free Software
22 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 //
24 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
25 
26 // (c) COPYRIGHT URI/MIT 1999
27 // Please read the full copyright statement in the file COPYRIGHT.
28 //
29 // Authors: James Gallagher
30 
31 #include "config_ff.h"
32 
33 static char rcsid[] not_used ={"$Id$"};
34 
35 
36 #include "FFInt16.h"
37 #include "util_ff.h"
38 
39 #include <cstring>
40 
41 extern long BufPtr;
42 extern char *BufVal;
43 
44 FFInt16::FFInt16(const string &n, const string &d) : Int16(n, d)
45 {
46 }
47 
48 BaseType *
49 FFInt16::ptr_duplicate(){
50 
51  return new FFInt16(*this);
52 }
53 
54 bool
55 FFInt16::read()
56 {
57  if (read_p()) // nothing to do
58  return true;
59 
60  if (BufVal) { // data in cache
61  char * ptr = BufVal+BufPtr;
62 
63  dods_int16 align;
64  if (width() > sizeof(align))
65  throw InternalErr(__FILE__, __LINE__, "Int16 size.");
66 
67  memcpy((void*)&align, (void *)ptr, width());
68 
69  val2buf((void *) &align);
70  set_read_p(true);
71 
72  #ifdef TEST
73  dods_int16 *tmo;
74  tmo = (dods_int16 *)ptr;
75  printf("\n%ld offset=%ld\n",*tmo,BufPtr);
76  #endif
77 
78  BufPtr += width();
79 
80  return true;
81  }
82 
83  return false;
84 }
85 
86 // $Log: FFInt16.cc,v $
87 // Revision 1.2 2000/10/11 19:37:56 jimg
88 // Moved the CVS log entries to the end of files.
89 // Changed the definition of the read method to match the dap library.
90 // Added exception handling.
91 // Added exceptions to the read methods.
92 //
93 // Revision 1.1 1999/05/19 17:52:41 jimg
94 // Added
95 //
FFInt16
Definition: FFInt16.h:39