/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2009, 2010, 2011, 2012, 2013, 2014 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
#include <stddef.h>
#include <stdbool.h>
-#include <data/dict-class.h>
-#include <data/missing-values.h>
-#include <data/val-type.h>
+#include "data/dict-class.h"
+#include "data/missing-values.h"
+#include "data/val-type.h"
+
+/* Bitfields to identify traits of a variable */
+
+#define VAR_TRAIT_NAME 0x0001
+#define VAR_TRAIT_WIDTH 0x0002
+#define VAR_TRAIT_ROLE 0x0004
+#define VAR_TRAIT_LABEL 0x0008
+#define VAR_TRAIT_VALUE_LABELS 0x0010
+#define VAR_TRAIT_MISSING_VALUES 0x0020
+#define VAR_TRAIT_ALIGNMENT 0x0040
+#define VAR_TRAIT_MEASURE 0x0080
+#define VAR_TRAIT_DISPLAY_WIDTH 0x0100
+#define VAR_TRAIT_LEAVE 0x0200
+#define VAR_TRAIT_POSITION 0x0400
+#define VAR_TRAIT_ATTRIBUTES 0x0800
+#define VAR_TRAIT_PRINT_FORMAT 0x1000
+#define VAR_TRAIT_WRITE_FORMAT 0x2000
+
union value;
void var_destroy (struct variable *);
/* Variable names. */
-#define VAR_NAME_LEN 64 /* Maximum length of variable name, in bytes. */
-
const char *var_get_name (const struct variable *);
void var_set_name (struct variable *, const char *);
-bool var_is_valid_name (const char *, bool issue_error);
-bool var_is_plausible_name (const char *name, bool issue_error);
enum dict_class var_get_dict_class (const struct variable *);
int compare_vars_by_name (const void *, const void *, const void *);
int compare_var_ptrs_by_name (const void *, const void *, const void *);
unsigned hash_var_ptr_by_name (const void *, const void *);
+int compare_var_ptrs_by_dict_index (const void *, const void *, const void *);
+
+struct fmt_spec;
+
/* Types and widths of values associated with a variable. */
enum val_type var_get_type (const struct variable *);
int var_get_width (const struct variable *);
void var_set_width (struct variable *, int width);
+void var_set_width_and_formats (struct variable *v, int new_width,
+ const struct fmt_spec *print, const struct fmt_spec *write);
bool var_is_numeric (const struct variable *);
bool var_is_alpha (const struct variable *);
-bool var_is_short_string (const struct variable *);
-bool var_is_long_string (const struct variable *);
-
-size_t var_get_value_cnt (const struct variable *);
/* Variables' missing values. */
const struct missing_values *var_get_missing_values (const struct variable *);
bool var_is_value_missing (const struct variable *, const union value *,
enum mv_class);
bool var_is_num_missing (const struct variable *, double, enum mv_class);
-bool var_is_str_missing (const struct variable *, const char[], enum mv_class);
+bool var_is_str_missing (const struct variable *, const uint8_t[], enum mv_class);
/* Value labels. */
const char *var_lookup_value_label (const struct variable *,
void var_set_write_format (struct variable *, const struct fmt_spec *);
void var_set_both_formats (struct variable *, const struct fmt_spec *);
+struct fmt_spec var_default_formats (int width);
+
/* Variable labels. */
const char *var_to_string (const struct variable *);
const char *var_get_label (const struct variable *);
-void var_set_label (struct variable *, const char *);
+void var_set_label (struct variable *, const char *label);
void var_clear_label (struct variable *);
bool var_has_label (const struct variable *);
};
bool measure_is_valid (enum measure);
+const char *measure_to_string (enum measure);
+const char *measure_to_syntax (enum measure);
+
enum measure var_get_measure (const struct variable *);
void var_set_measure (struct variable *, enum measure);
+enum measure var_default_measure (enum val_type);
+
+/* Intended usage of a variable, for populating dialogs. */
+enum var_role
+ {
+ ROLE_INPUT,
+ ROLE_TARGET,
+ ROLE_BOTH,
+ ROLE_NONE,
+ ROLE_PARTITION,
+ ROLE_SPLIT
+ };
+
+bool var_role_is_valid (enum var_role);
+const char *var_role_to_string (enum var_role);
+const char *var_role_to_syntax (enum var_role);
+
+enum var_role var_get_role (const struct variable *);
+void var_set_role (struct variable *, enum var_role);
+
/* GUI display width. */
int var_get_display_width (const struct variable *);
void var_set_display_width (struct variable *, int display_width);
{
ALIGN_LEFT = 0,
ALIGN_RIGHT = 1,
- ALIGN_CENTRE = 2,
- n_ALIGN
+ ALIGN_CENTRE = 2
};
bool alignment_is_valid (enum alignment);
+const char *alignment_to_string (enum alignment);
+const char *alignment_to_syntax (enum alignment);
+
enum alignment var_get_alignment (const struct variable *);
void var_set_alignment (struct variable *, enum alignment);
+enum alignment var_default_alignment (enum val_type);
+
/* Whether variables' values should be preserved from case to
case. */
bool var_get_leave (const struct variable *);
size_t var_get_dict_index (const struct variable *);
size_t var_get_case_index (const struct variable *);
-/* Variable auxiliary data. */
-void *var_get_aux (const struct variable *);
-void *var_attach_aux (const struct variable *,
- void *aux, void (*aux_dtor) (struct variable *));
-void var_clear_aux (struct variable *);
-void *var_detach_aux (struct variable *);
-void var_dtor_free (struct variable *);
+/* Custom attributes. */
+struct attrset *var_get_attributes (const struct variable *);
+void var_set_attributes (struct variable *, const struct attrset *);
+bool var_has_attributes (const struct variable *);
-/* Observed categorical values. */
-struct cat_vals *var_get_obs_vals (const struct variable *);
-void var_set_obs_vals (const struct variable *, struct cat_vals *);
-bool var_has_obs_vals (const struct variable *);
+/* Encoding. */
+const char *var_get_encoding (const struct variable *);
/* Function types. */
typedef bool var_predicate_func (const struct variable *);
+/* Saving and loading. */
+struct pxd_object *var_save (const struct variable *, struct pxd *);
+struct variable *var_load (struct pxd_object *, const struct pxd *);
+
#endif /* data/variable.h */
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