Move all command implementations into a single 'commands' directory.

[pspp] / src / language / data-io / print-space.c

diff --git a/src/language/data-io/print-space.c b/src/language/data-io/print-space.c
deleted file mode 100644 (file)
index 7e2f9b5..0000000
--- a/src/language/data-io/print-space.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/* PSPP - a program for statistical analysis.
-   Copyright (C) 2006, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
-
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-#include <limits.h>
-#include <stdlib.h>
-
-#include "data/dataset.h"
-#include "data/value.h"
-#include "language/command.h"
-#include "language/data-io/data-writer.h"
-#include "language/data-io/file-handle.h"
-#include "language/expressions/public.h"
-#include "language/lexer/lexer.h"
-#include "libpspp/message.h"
-#include "output/driver.h"
-
-#include "gl/xalloc.h"
-
-#include "gettext.h"
-#define _(msgid) gettext (msgid)
-
-/* PRINT SPACE transformation. */
-struct print_space_trns
-  {
-    struct dfm_writer *writer;  /* Output data file. */
-    struct expression *expr;   /* Number of lines; NULL means 1. */
-    struct msg_location *expr_location;
-  };
-
-static const struct trns_class print_space_class;
-
-int
-cmd_print_space (struct lexer *lexer, struct dataset *ds)
-{
-  struct file_handle *handle = NULL;
-  struct expression *expr = NULL;
-  struct msg_location *expr_location = NULL;
-  char *encoding = NULL;
-
-  if (lex_match_id (lexer, "OUTFILE"))
-    {
-      lex_match (lexer, T_EQUALS);
-
-      handle = fh_parse (lexer, FH_REF_FILE, NULL);
-      if (handle == NULL)
-       return CMD_FAILURE;
-
-      if (lex_match_id (lexer, "ENCODING"))
-       {
-         lex_match (lexer, T_EQUALS);
-         if (!lex_force_string (lexer))
-           goto error;
-
-          encoding = ss_xstrdup (lex_tokss (lexer));
-
-         lex_get (lexer);
-       }
-    }
-  else
-    handle = NULL;
-
-  if (lex_token (lexer) != T_ENDCMD)
-    {
-      int start_ofs = lex_ofs (lexer);
-      expr = expr_parse (lexer, ds, VAL_NUMERIC);
-      int end_ofs = lex_ofs (lexer) - 1;
-      expr_location = lex_ofs_location (lexer, start_ofs, end_ofs);
-      if (!expr)
-        goto error;
-
-      if (lex_token (lexer) != T_ENDCMD)
-       {
-          lex_error (lexer, _("Syntax error expecting end of command."));
-          goto error;
-       }
-    }
-  else
-    expr = NULL;
-
-  struct dfm_writer *writer = NULL;
-  if (handle != NULL)
-    {
-      writer = dfm_open_writer (handle, encoding);
-      if (writer == NULL)
-        goto error;
-    }
-
-  struct print_space_trns *trns = xmalloc (sizeof *trns);
-  *trns = (struct print_space_trns) {
-    .writer = writer,
-    .expr = expr,
-    .expr_location = expr_location,
-  };
-
-  add_transformation (ds, &print_space_class, trns);
-  fh_unref (handle);
-  free (encoding);
-  return CMD_SUCCESS;
-
-error:
-  msg_location_destroy (expr_location);
-  fh_unref (handle);
-  expr_free (expr);
-  free (encoding);
-  return CMD_FAILURE;
-}
-
-/* Executes a PRINT SPACE transformation. */
-static enum trns_result
-print_space_trns_proc (void *t_, struct ccase **c,
-                       casenumber case_num UNUSED)
-{
-  struct print_space_trns *trns = t_;
-  int n;
-
-  n = 1;
-  if (trns->expr)
-    {
-      double f = expr_evaluate_num (trns->expr, *c, case_num);
-      if (f == SYSMIS)
-        msg_at (SW, trns->expr_location,
-                _("The expression on %s evaluated to the "
-                  "system-missing value."), "PRINT SPACE");
-      else if (f < 0 || f > INT_MAX)
-        msg_at (SW, trns->expr_location,
-                _("The expression on %s evaluated to %g."), "PRINT SPACE", f);
-      else
-        n = f;
-    }
-
-  while (n--)
-    if (trns->writer == NULL)
-      output_log ("%s", "");
-    else
-      dfm_put_record (trns->writer, " ", 1); /* XXX */
-
-  if (trns->writer != NULL && dfm_write_error (trns->writer))
-    return TRNS_ERROR;
-  return TRNS_CONTINUE;
-}
-
-/* Frees a PRINT SPACE transformation.
-   Returns true if successful, false if an I/O error occurred. */
-static bool
-print_space_trns_free (void *trns_)
-{
-  struct print_space_trns *trns = trns_;
-  bool ok = dfm_close_writer (trns->writer);
-  expr_free (trns->expr);
-  msg_location_destroy (trns->expr_location);
-  free (trns);
-  return ok;
-}
-
-static const struct trns_class print_space_class = {
-  .name = "PRINT SPACE",
-  .execute = print_space_trns_proc,
-  .destroy = print_space_trns_free,
-};