X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fvariable.h;h=25596ad368beac821803ef074bdd3eaea3e8938d;hb=24c5f7c629e68801492d7ca1766953a2a954a820;hp=ccfdd7f86a5f6500aa522641a28b1cbca5593867;hpb=c41f14854e73ad44824b54933ae96eb52f781fc2;p=pspp diff --git a/src/data/variable.h b/src/data/variable.h index ccfdd7f86a..25596ad368 100644 --- a/src/data/variable.h +++ b/src/data/variable.h @@ -1,5 +1,5 @@ /* 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 @@ -19,9 +19,27 @@ #include #include -#include -#include -#include +#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; @@ -34,12 +52,8 @@ struct variable *var_clone (const struct variable *); 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 *); @@ -48,17 +62,19 @@ unsigned hash_var_by_name (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 *); @@ -69,7 +85,7 @@ bool var_has_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 *, @@ -99,10 +115,12 @@ const struct fmt_spec *var_get_write_format (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 *); @@ -116,9 +134,32 @@ enum measure }; 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); @@ -130,14 +171,18 @@ enum alignment { 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 *); @@ -154,18 +199,13 @@ void var_clear_short_names (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 *); - -/* 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 *); +/* 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 *); + +/* Encoding. */ +const char *var_get_encoding (const struct variable *); /* Function types. */ typedef bool var_predicate_func (const struct variable *);