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

[pspp] / src / language / commands / formats.c

diff --git a/src/language/commands/formats.c b/src/language/commands/formats.c
new file mode 100644 (file)
index 0000000..907a47f
--- /dev/null
+++ b/src/language/commands/formats.c
@@ -0,0 +1,119 @@
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 1997-9, 2000, 2006, 2010, 2011 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 <stdio.h>
+#include <stdlib.h>
+
+#include "data/dataset.h"
+#include "data/format.h"
+#include "data/variable.h"
+#include "language/command.h"
+#include "language/lexer/format-parser.h"
+#include "language/lexer/lexer.h"
+#include "language/lexer/variable-parser.h"
+#include "libpspp/message.h"
+#include "libpspp/misc.h"
+#include "libpspp/str.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
+static int cmd_formats__ (struct lexer *, struct dataset *ds,
+                          bool print_format, bool write_format);
+
+int
+cmd_print_formats (struct lexer *lexer, struct dataset *ds)
+{
+  return cmd_formats__ (lexer, ds, true, false);
+}
+
+int
+cmd_write_formats (struct lexer *lexer, struct dataset *ds)
+{
+  return cmd_formats__ (lexer, ds, false, true);
+}
+
+int
+cmd_formats (struct lexer *lexer, struct dataset *ds)
+{
+  return cmd_formats__ (lexer, ds, true, true);
+}
+
+static int
+cmd_formats__ (struct lexer *lexer, struct dataset *ds,
+               bool print_format, bool write_format)
+{
+  /* Variables. */
+  struct variable **v;
+  size_t cv;
+
+  for (;;)
+    {
+      struct fmt_spec f;
+      int width;
+      size_t i;
+
+      lex_match (lexer, T_SLASH);
+
+      if (lex_token (lexer) == T_ENDCMD)
+       break;
+
+      if (!parse_variables (lexer, dataset_dict (ds), &v, &cv, PV_SAME_WIDTH))
+       return CMD_FAILURE;
+      width = var_get_width (v[0]);
+
+      if (!lex_match (lexer, T_LPAREN))
+       {
+          lex_error_expecting (lexer, "`('");
+         goto fail;
+       }
+      if (!parse_format_specifier (lexer, &f))
+        goto fail;
+      char *error = fmt_check_output__ (&f);
+      if (!error)
+        error = fmt_check_width_compat__ (&f, var_get_name (v[0]), width);
+      if (error)
+        {
+          lex_next_error (lexer, -1, -1, "%s", error);
+          free (error);
+          goto fail;
+        }
+
+      if (!lex_match (lexer, T_RPAREN))
+       {
+          lex_error_expecting (lexer, "`)'");
+         goto fail;
+       }
+
+      for (i = 0; i < cv; i++)
+       {
+         if (print_format)
+            var_set_print_format (v[i], &f);
+         if (write_format)
+            var_set_write_format (v[i], &f);
+       }
+      free (v);
+      v = NULL;
+    }
+  return CMD_SUCCESS;
+
+fail:
+  free (v);
+  return CMD_FAILURE;
+}