src/data/any-writer.c

   1 /* PSPP - a program for statistical analysis.
   2    Copyright (C) 2006, 2010, 2011 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
  16
  17 #include <config.h>
  18
  19 #include "data/any-writer.h"
  20
  21 #include <assert.h>
  22 #include <errno.h>
  23 #include <stdbool.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26
  27 #include "data/dataset-writer.h"
  28 #include "data/file-handle-def.h"
  29 #include "data/file-name.h"
  30 #include "data/por-file-writer.h"
  31 #include "data/sys-file-writer.h"
  32 #include "libpspp/assertion.h"
  33 #include "libpspp/message.h"
  34 #include "libpspp/str.h"
  35
  36 #include "gl/xalloc.h"
  37
  38 #include "gettext.h"
  39 #define _(msgid) gettext (msgid)
  40
  41 /* Creates and returns a writer for HANDLE with the given DICT. */
  42 struct casewriter *
  43 any_writer_open (struct file_handle *handle, struct dictionary *dict)
  44 {
  45   switch (fh_get_referent (handle))
  46     {
  47     case FH_REF_FILE:
  48       {
  49         struct casewriter *writer;
  50         char *extension;
  51
  52         extension = fn_extension (handle);
  53         str_lowercase (extension);
  54
  55         if (!strcmp (extension, ".por"))
  56           writer = pfm_open_writer (handle, dict,
  57                                     pfm_writer_default_options ());
  58         else
  59           writer = sfm_open_writer (handle, dict,
  60                                     sfm_writer_default_options ());
  61         free (extension);
  62
  63         return writer;
  64       }
  65
  66     case FH_REF_INLINE:
  67       msg (ME, _("The inline file is not allowed here."));
  68       return NULL;
  69
  70     case FH_REF_DATASET:
  71       return dataset_writer_open (handle, dict);
  72     }
  73
  74   NOT_REACHED ();
  75 }