+++ /dev/null
-/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2006, 2009, 2010, 2011, 2013, 2016 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 <stdlib.h>
-
-#include "data/data-in.h"
-#include "data/dictionary.h"
-#include "data/dataset.h"
-#include "data/format.h"
-#include "data/missing-values.h"
-#include "data/value.h"
-#include "data/variable.h"
-#include "language/command.h"
-#include "language/lexer/lexer.h"
-#include "language/lexer/token.h"
-#include "language/lexer/value-parser.h"
-#include "language/lexer/variable-parser.h"
-#include "libpspp/i18n.h"
-#include "libpspp/message.h"
-#include "libpspp/str.h"
-
-#include "gettext.h"
-#define _(msgid) gettext (msgid)
-
-int
-cmd_missing_values (struct lexer *lexer, struct dataset *ds)
-{
- struct dictionary *dict = dataset_dict (ds);
-
- while (lex_token (lexer) != T_ENDCMD)
- {
- struct missing_values mv = MV_INIT_EMPTY_NUMERIC;
- struct variable **v = NULL;
- size_t nv;
-
- if (!parse_variables (lexer, dict, &v, &nv, PV_NONE))
- goto error;
-
- if (!lex_force_match (lexer, T_LPAREN))
- goto error;
-
- int values_start = lex_ofs (lexer);
- int values_end;
- for (values_end = values_start; ; values_end++)
- {
- enum token_type next = lex_ofs_token (lexer, values_end + 1)->type;
- if (next == T_RPAREN || next == T_ENDCMD || next == T_STOP)
- break;
- }
-
- if (!lex_match (lexer, T_RPAREN))
- {
- if (var_is_numeric (v[0]))
- {
- while (!lex_match (lexer, T_RPAREN))
- {
- enum fmt_type type = var_get_print_format (v[0])->type;
- double x, y;
-
- if (!parse_num_range (lexer, &x, &y, &type))
- goto error;
-
- if (!(x == y
- ? mv_add_num (&mv, x)
- : mv_add_range (&mv, x, y)))
- {
- lex_ofs_error (lexer, values_start, values_end,
- _("Too many numeric missing values. At "
- "most three individual values or one "
- "value and one range are allowed."));
- goto error;
- }
-
- lex_match (lexer, T_COMMA);
- }
- }
- else
- {
- const char *encoding = dict_get_encoding (dict);
-
- mv_init (&mv, MV_MAX_STRING);
- while (!lex_match (lexer, T_RPAREN))
- {
- if (!lex_force_string (lexer))
- goto error;
-
- /* Truncate the string to fit in 8 bytes in the dictionary
- encoding. */
- const char *utf8_s = lex_tokcstr (lexer);
- size_t utf8_len = ss_length (lex_tokss (lexer));
- size_t utf8_trunc_len = utf8_encoding_trunc_len (
- utf8_s, encoding, MV_MAX_STRING);
- if (utf8_trunc_len < utf8_len)
- lex_error (lexer, _("Truncating missing value to maximum "
- "acceptable length (%d bytes)."),
- MV_MAX_STRING);
-
- /* Recode to dictionary encoding and add. */
- char *raw_s = recode_string (encoding, "UTF-8",
- utf8_s, utf8_trunc_len);
- bool ok = mv_add_str (&mv, CHAR_CAST (const uint8_t *, raw_s),
- strlen (raw_s));
- free (raw_s);
- if (!ok)
- {
- lex_ofs_error (lexer, values_start, values_end,
- _("Too many string missing values. "
- "At most three individual values "
- "are allowed."));
- goto error;
- }
-
- lex_get (lexer);
- lex_match (lexer, T_COMMA);
- }
- }
- }
- lex_match (lexer, T_SLASH);
-
- bool ok = true;
- for (size_t i = 0; i < nv; i++)
- {
- int var_width = var_get_width (v[i]);
-
- if (mv_is_resizable (&mv, var_width))
- var_set_missing_values (v[i], &mv);
- else
- {
- ok = false;
- if (!var_width)
- lex_ofs_error (lexer, values_start, values_end,
- _("Cannot assign string missing values to "
- "numeric variable %s."), var_get_name (v[i]));
- else
- lex_ofs_error (lexer, values_start, values_end,
- _("Missing values are too long to assign "
- "to variable %s with width %d."),
- var_get_name (v[i]), var_get_width (v[i]));
- }
- }
- mv_destroy (&mv);
- free (v);
- if (!ok)
- return CMD_FAILURE;
- continue;
-
- error:
- mv_destroy (&mv);
- free (v);
- return CMD_FAILURE;
- }
-
- return CMD_SUCCESS;
-}
-
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