+/* PSPP - computes sample statistics.
+ Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
+ Written by Ben Pfaff <blp@gnu.org>.
+
+ 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 2 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, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+#ifndef VARIABLE_PARSER_H
+#define VARIABLE_PARSER_H 1
+
+#include <stdbool.h>
+#include <stddef.h>
+
+struct pool;
+struct dictionary;
+struct var_set;
+struct variable;
+
+struct var_set *var_set_create_from_dict (const struct dictionary *d);
+struct var_set *var_set_create_from_array (struct variable *const *var,
+ size_t);
+
+size_t var_set_get_cnt (const struct var_set *vs);
+struct variable *var_set_get_var (const struct var_set *vs, size_t idx);
+struct variable *var_set_lookup_var (const struct var_set *vs,
+ const char *name);
+bool var_set_lookup_var_idx (const struct var_set *vs, const char *name,
+ size_t *idx);
+void var_set_destroy (struct var_set *vs);
+\f
+/* Variable parsers. */
+
+enum
+ {
+ PV_NONE = 0, /* No options. */
+ PV_SINGLE = 0001, /* Restrict to a single name or TO use. */
+ PV_DUPLICATE = 0002, /* Don't merge duplicates. */
+ PV_APPEND = 0004, /* Append to existing list. */
+ PV_NO_DUPLICATE = 0010, /* Error on duplicates. */
+ PV_NUMERIC = 0020, /* Vars must be numeric. */
+ PV_STRING = 0040, /* Vars must be string. */
+ PV_SAME_TYPE = 00100, /* All vars must be the same type. */
+ PV_NO_SCRATCH = 00200 /* Disallow scratch variables. */
+ };
+
+struct variable *parse_variable (void);
+struct variable *parse_dict_variable (const struct dictionary *);
+int parse_variables (const struct dictionary *, struct variable ***, size_t *,
+ int opts);
+int parse_var_set_vars (const struct var_set *, struct variable ***, size_t *,
+ int opts);
+int parse_DATA_LIST_vars (char ***names, size_t *cnt, int opts);
+int parse_mixed_vars (char ***names, size_t *cnt, int opts);
+int parse_mixed_vars_pool (struct pool *,
+ char ***names, size_t *cnt, int opts);
+
+#endif /* variable-parser.h */