+++ /dev/null
-/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2010, 2011, 2012, 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/dataset.h"
-#include "data/format.h"
-#include "data/dictionary.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/assertion.h"
-#include "libpspp/i18n.h"
-#include "libpspp/message.h"
-#include "libpspp/misc.h"
-#include "libpspp/pool.h"
-#include "libpspp/str.h"
-
-#include "gl/intprops.h"
-#include "gl/xalloc.h"
-
-#include "gettext.h"
-#define _(msgid) gettext (msgid)
-
-int
-cmd_vector (struct lexer *lexer, struct dataset *ds)
-{
- struct dictionary *dict = dataset_dict (ds);
- struct pool *pool = pool_create ();
-
- do
- {
- /* Get the name(s) of the new vector(s). */
- if (!lex_force_id (lexer))
- goto error;
-
- int vectors_start = lex_ofs (lexer);
- char **vectors = NULL;
- size_t n_vectors = 0;
- size_t allocated_vectors = 0;
- while (lex_token (lexer) == T_ID)
- {
- char *error = dict_id_is_valid__ (dict, lex_tokcstr (lexer));
- if (error)
- {
- lex_error (lexer, "%s", error);
- free (error);
- goto error;
- }
-
- if (dict_lookup_vector (dict, lex_tokcstr (lexer)))
- {
- lex_next_error (lexer, 0, 0,
- _("A vector named %s already exists."),
- lex_tokcstr (lexer));
- goto error;
- }
-
- for (size_t i = 0; i < n_vectors; i++)
- if (!utf8_strcasecmp (vectors[i], lex_tokcstr (lexer)))
- {
- lex_ofs_error (lexer, vectors_start, lex_ofs (lexer),
- _("Vector name %s is given twice."),
- lex_tokcstr (lexer));
- goto error;
- }
-
- if (n_vectors == allocated_vectors)
- vectors = pool_2nrealloc (pool, vectors, &allocated_vectors,
- sizeof *vectors);
- vectors[n_vectors++] = pool_strdup (pool, lex_tokcstr (lexer));
-
- lex_get (lexer);
- lex_match (lexer, T_COMMA);
- }
-
- /* Now that we have the names it's time to check for the short
- or long forms. */
- if (lex_match (lexer, T_EQUALS))
- {
- if (n_vectors > 1)
- {
- lex_ofs_error (lexer, vectors_start, lex_ofs (lexer) - 1,
- _("Only a single vector name may be specified "
- "when a list of variables is given."));
- goto error;
- }
-
- struct variable **v;
- size_t nv;
- if (!parse_variables_pool (lexer, pool, dict, &v, &nv,
- PV_SAME_WIDTH | PV_DUPLICATE))
- goto error;
-
- dict_create_vector (dict, vectors[0], v, nv);
- }
- else if (lex_match (lexer, T_LPAREN))
- {
- struct fmt_spec format = fmt_for_output (FMT_F, 8, 2);
- bool seen_format = false;
- size_t n_vars = 0;
- int name_ofs = lex_ofs (lexer) - 2;
- int lparen_ofs = lex_ofs (lexer) - 1;
- while (!lex_match (lexer, T_RPAREN))
- {
- if (lex_is_integer (lexer))
- {
- if (n_vars)
- {
- lex_ofs_error (lexer, lparen_ofs, lex_ofs (lexer),
- _("Vector length may only be specified "
- "once."));
- goto error;
- }
- if (!lex_force_int_range (lexer, NULL, 1, INT_MAX))
- goto error;
- n_vars = lex_integer (lexer);
- lex_get (lexer);
- }
- else if (lex_token (lexer) == T_ID)
- {
- if (seen_format)
- {
- lex_ofs_error (lexer, lparen_ofs, lex_ofs (lexer),
- _("Only one format may be specified."));
- goto error;
- }
- seen_format = true;
- if (!parse_format_specifier (lexer, &format))
- goto error;
- char *error = fmt_check_output__ (&format);
- if (error)
- {
- lex_next_error (lexer, -1, -1, "%s", error);
- free (error);
- goto error;
- }
- }
- else
- {
- lex_error (lexer, _("Syntax error expecting vector length "
- "or format."));
- goto error;
- }
- lex_match (lexer, T_COMMA);
- }
- int end_ofs = lex_ofs (lexer) - 1;
- if (n_vars == 0)
- {
- lex_ofs_error (lexer, lparen_ofs, end_ofs,
- _("Vector length is required."));
- goto error;
- }
-
- /* Check that none of the variables exist and that their names are
- not excessively long. */
- for (size_t i = 0; i < n_vectors; i++)
- for (size_t j = 0; j < n_vars; j++)
- {
- char *name = xasprintf ("%s%zu", vectors[i], j + 1);
- char *error = dict_id_is_valid__ (dict, name);
- if (error)
- {
- lex_ofs_error (lexer, name_ofs, end_ofs, "%s", error);
- free (error);
- free (name);
- goto error;
- }
- if (dict_lookup_var (dict, name))
- {
- lex_ofs_error (lexer, name_ofs, end_ofs,
- _("%s is an existing variable name."),
- name);
- free (name);
- goto error;
- }
- free (name);
- }
-
- /* Finally create the variables and vectors. */
- struct variable **vars = pool_nmalloc (pool, n_vars, sizeof *vars);
- for (size_t i = 0; i < n_vectors; i++)
- {
- for (size_t j = 0; j < n_vars; j++)
- {
- char *name = xasprintf ("%s%zu", vectors[i], j + 1);
- vars[j] = dict_create_var_assert (dict, name,
- fmt_var_width (&format));
- var_set_both_formats (vars[j], &format);
- free (name);
- }
- dict_create_vector_assert (dict, vectors[i], vars, n_vars);
- }
- }
- else
- {
- lex_error_expecting (lexer, "`='", "`('");
- goto error;
- }
- }
- while (lex_match (lexer, T_SLASH));
-
- pool_destroy (pool);
- return CMD_SUCCESS;
-
-error:
- pool_destroy (pool);
- return CMD_FAILURE;
-}
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