-/* PSPP - computes sample statistics.
+/* PSPP - a program for statistical analysis.
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 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.
+ 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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <data/identifier.h>
#include <data/settings.h>
+#include <data/value.h>
#include <data/variable.h>
#include <libpspp/assertion.h>
#include <libpspp/compiler.h>
#include "gettext.h"
#define _(msgid) gettext (msgid)
-static bool is_fmt_type (enum fmt_type);
+
+
+bool is_fmt_type (enum fmt_type);
static int min_width (enum fmt_type, bool for_input);
static int max_width (enum fmt_type);
static int max_digits_for_bytes (int bytes);
+void fmt_number_style_init (struct fmt_number_style *style);
+
+
/* Initialize the format module. */
-void
-fmt_init (void)
+struct fmt_number_style *
+fmt_create (void)
{
- static bool inited = false;
- if (!inited)
- {
- inited = true;
- fmt_set_decimal ('.');
- }
+ struct fmt_number_style *styles =
+ xcalloc (FMT_NUMBER_OF_FORMATS, sizeof (*styles));
+
+ int t;
+ for (t = 0 ; t < FMT_NUMBER_OF_FORMATS ; ++t )
+ fmt_number_style_init (&styles[t]);
+
+ fmt_set_decimal (styles, '.');
+
+ return styles;
}
-static struct fmt_number_style *styles[FMT_NUMBER_OF_FORMATS];
/* Deinitialize the format module. */
void
-fmt_done (void)
+fmt_done (struct fmt_number_style *styles)
{
int t;
for (t = 0 ; t < FMT_NUMBER_OF_FORMATS ; ++t )
- fmt_number_style_destroy (styles[t]);
+ fmt_number_style_destroy (&styles[t]);
+
+ free (styles);
}
/* Returns an input format specification with type TYPE, width W,
case FMT_DOLLAR:
case FMT_PCT:
{
- const struct fmt_number_style *style = fmt_get_style (input->type);
+ const struct fmt_number_style *style =
+ settings_get_style (input->type);
+
output.w += fmt_affix_width (style);
if (style->grouping != 0 && input->w - input->d >= 3)
output.w += (input->w - input->d - 1) / 3;
return output;
}
+/* Returns the default format for the given WIDTH: F8.2 format
+ for a numeric value, A format for a string value. */
+struct fmt_spec
+fmt_default_for_width (int width)
+{
+ return (width == 0
+ ? fmt_for_output (FMT_F, 8, 2)
+ : fmt_for_output (FMT_A, width, 0));
+}
+
/* Checks whether SPEC is valid as an input format (if FOR_INPUT)
or an output format (otherwise) and returns nonzero if so.
Otherwise, emits an error message and returns zero. */
}
/* Checks that FORMAT is appropriate for a variable of the given
- TYPE and returns true if so. Otherwise returns false and
+ VAR_TYPE and returns true if so. Otherwise returns false and
emits an error message. */
bool
-fmt_check_type_compat (const struct fmt_spec *format, int var_type)
+fmt_check_type_compat (const struct fmt_spec *format, enum val_type var_type)
{
- assert (var_type == NUMERIC || var_type == ALPHA);
- if ((var_type == ALPHA) != (fmt_is_string (format->type) != 0))
+ assert (val_type_is_valid (var_type));
+ if ((var_type == VAL_STRING) != (fmt_is_string (format->type) != 0))
{
char str[FMT_STRING_LEN_MAX + 1];
msg (SE, _("%s variables are not compatible with %s format %s."),
- var_type == ALPHA ? _("String") : _("Numeric"),
- var_type == ALPHA ? _("numeric") : _("string"),
+ var_type == VAL_STRING ? _("String") : _("Numeric"),
+ var_type == VAL_STRING ? _("numeric") : _("string"),
fmt_to_string (format, str));
return false;
}
bool
fmt_check_width_compat (const struct fmt_spec *format, int width)
{
- if (!fmt_check_type_compat (format, width != 0 ? ALPHA : NUMERIC))
+ if (!fmt_check_type_compat (format, val_type_from_width (width)))
return false;
if (fmt_var_width (format) != width)
{
return true;
}
-/* Returns the width corresponding to the format specifier. The
- return value is the value of the `width' member of a `struct
- variable' for such an input format. */
+/* Returns the width corresponding to FORMAT. The return value
+ is the width of the `union value's required by FORMAT. */
int
-fmt_var_width (const struct fmt_spec *spec)
+fmt_var_width (const struct fmt_spec *format)
{
- return (spec->type == FMT_AHEX ? spec->w / 2
- : spec->type == FMT_A ? spec->w
+ return (format->type == FMT_AHEX ? format->w / 2
+ : format->type == FMT_A ? format->w
: 0);
}
"%s%d", fmt_name (f->type), f->w);
return buffer;
}
+
+/* Returns true if A and B are identical formats,
+ false otherwise. */
+bool
+fmt_equal (const struct fmt_spec *a, const struct fmt_spec *b)
+{
+ return a->type == b->type && a->w == b->w && a->d == b->d;
+}
+
+/* Adjusts FMT to be valid for a value of the given WIDTH. */
+void
+fmt_resize (struct fmt_spec *fmt, int width)
+{
+ if ((width > 0) != fmt_is_string (fmt->type))
+ {
+ /* Changed from numeric to string or vice versa. Set to
+ default format for new width. */
+ *fmt = fmt_default_for_width (width);
+ }
+ else if (width > 0)
+ {
+ /* Changed width of string. Preserve format type, adjust
+ width. */
+ fmt->w = fmt->type == FMT_AHEX ? width * 2 : width;
+ }
+ else
+ {
+ /* Still numeric. */
+ }
+}
\f
/* Describes a display format. */
struct fmt_desc
int
fmt_step_width (enum fmt_type type)
{
- return fmt_get_category (type) == FMT_CAT_HEXADECIMAL ? 2 : 1;
+ return (fmt_get_category (type) == FMT_CAT_HEXADECIMAL || type == FMT_AHEX
+ ? 2 : 1);
}
/* Returns true if TYPE is used for string fields,
category. Thus, the return value may be tested for equality
or compared bitwise against a mask of FMT_CAT_* values. */
enum fmt_category
-fmt_get_category (enum fmt_type type)
+fmt_get_category (enum fmt_type type)
{
return get_fmt_desc (type)->category;
}
enum fmt_type
fmt_input_to_output (enum fmt_type type)
{
- switch (fmt_get_category (type))
+ switch (fmt_get_category (type))
{
case FMT_CAT_STRING:
return FMT_A;
case FMT_QYR:
return "q Q yy";
case FMT_MOYR:
- return "mmm yy";
+ return "mmmXyy";
case FMT_WKYR:
return "ww WK yy";
case FMT_DATETIME:
return "dd-mmm-yyyy HH:MM";
case FMT_TIME:
- return "h:MM";
+ return "H:MM";
case FMT_DTIME:
return "D HH:MM";
default:
NOT_REACHED ();
}
}
+
\f
/* Returns true if TYPE is a valid format type,
false otherwise. */
-static bool
+bool
is_fmt_type (enum fmt_type type)
{
return type < FMT_NUMBER_OF_FORMATS;
}
\f
-/* Creates and returns a new struct fmt_number_style,
- initializing all affixes to empty strings. */
-struct fmt_number_style *
-fmt_number_style_create (void)
+
+void
+fmt_number_style_init (struct fmt_number_style *style)
{
- struct fmt_number_style *style = xmalloc (sizeof *style);
style->neg_prefix = ss_empty ();
style->prefix = ss_empty ();
style->suffix = ss_empty ();
style->neg_suffix = ss_empty ();
style->decimal = '.';
style->grouping = 0;
- return style;
}
+
/* Destroys a struct fmt_number_style. */
void
fmt_number_style_destroy (struct fmt_number_style *style)
ss_dealloc (&style->prefix);
ss_dealloc (&style->suffix);
ss_dealloc (&style->neg_suffix);
- free (style);
}
}
/* Returns the number formatting style associated with the given
format TYPE. */
const struct fmt_number_style *
-fmt_get_style (enum fmt_type type)
+fmt_get_style (const struct fmt_number_style *styles, enum fmt_type type)
{
assert (is_fmt_type (type));
- assert (styles[type] != NULL);
- return styles[type];
+ return &styles[type];
}
-/* Sets STYLE as the number formatting style associated with the
- given format TYPE, transferring ownership of STYLE. */
+
+/* Checks that style is STYLE sane */
void
-fmt_set_style (enum fmt_type type, struct fmt_number_style *style)
+fmt_check_style (const struct fmt_number_style *style)
{
assert (ss_length (style->neg_prefix) <= FMT_STYLE_AFFIX_MAX);
assert (ss_length (style->prefix) <= FMT_STYLE_AFFIX_MAX);
assert (ss_length (style->suffix) <= FMT_STYLE_AFFIX_MAX);
assert (ss_length (style->neg_suffix) <= FMT_STYLE_AFFIX_MAX);
assert (style->decimal == '.' || style->decimal == ',');
- assert (style->grouping != style->decimal
- && (style->grouping == '.' || style->grouping == ','
- || style->grouping == 0));
-
- assert (fmt_get_category (type) == FMT_CAT_CUSTOM);
- assert (styles[type] != NULL);
-
- fmt_number_style_destroy (styles[type]);
- styles[type] = style;
+ assert (style->grouping == '.' || style->grouping == ','
+ || style->grouping == 0);
+ assert (style->grouping != style->decimal);
}
+
/* Returns the total width of the standard prefix and suffix for
STYLE. */
int
return ss_length (style->neg_prefix) + ss_length (style->neg_suffix);
}
-/* Returns the decimal point character for the given format
- TYPE. */
-int
-fmt_decimal_char (enum fmt_type type)
-{
- return fmt_get_style (type)->decimal;
-}
-
-/* Returns the grouping character for the given format TYPE, or 0
- if the format type does not group digits. */
-int
-fmt_grouping_char (enum fmt_type type)
-{
- return fmt_get_style (type)->grouping;
-}
/* Sets the number style for TYPE to have the given standard
PREFIX and SUFFIX, "-" as prefix suffix, an empty negative
suffix, DECIMAL as the decimal point character, and GROUPING
as the grouping character. */
static void
-set_style (enum fmt_type type,
+set_style (struct fmt_number_style *styles, enum fmt_type type,
const char *prefix, const char *suffix,
char decimal, char grouping)
{
assert (is_fmt_type (type));
- fmt_number_style_destroy (styles[type]);
+ style = &styles[type] ;
+
+ fmt_number_style_destroy (style);
- style = styles[type] = fmt_number_style_create ();
ss_alloc_substring (&style->neg_prefix, ss_cstr ("-"));
ss_alloc_substring (&style->prefix, ss_cstr (prefix));
ss_alloc_substring (&style->suffix, ss_cstr (suffix));
style->grouping = grouping;
}
-/* Sets the number style for TYPE as with set_style, but only if
- TYPE has not already been initialized. */
-static void
-init_style (enum fmt_type type,
- const char *prefix, const char *suffix,
- char decimal, char grouping)
-{
- assert (is_fmt_type (type));
- if (styles[type] == NULL)
- set_style (type, prefix, suffix, decimal, grouping);
-}
-
/* Sets the decimal point character to DECIMAL. */
void
-fmt_set_decimal (char decimal)
+fmt_set_decimal (struct fmt_number_style *styles, char decimal)
{
int grouping = decimal == '.' ? ',' : '.';
assert (decimal == '.' || decimal == ',');
- set_style (FMT_F, "", "", decimal, 0);
- set_style (FMT_E, "", "", decimal, 0);
- set_style (FMT_COMMA, "", "", decimal, grouping);
- set_style (FMT_DOT, "", "", grouping, decimal);
- set_style (FMT_DOLLAR, "$", "", decimal, grouping);
- set_style (FMT_PCT, "", "%", decimal, 0);
-
- init_style (FMT_CCA, "", "", decimal, grouping);
- init_style (FMT_CCB, "", "", decimal, grouping);
- init_style (FMT_CCC, "", "", decimal, grouping);
- init_style (FMT_CCD, "", "", decimal, grouping);
- init_style (FMT_CCE, "", "", decimal, grouping);
-}
-\f
-/* Returns true if M is a valid variable measurement level,
- false otherwise. */
-bool
-measure_is_valid (enum measure m)
-{
- return m > 0 && m < n_MEASURES;
-}
-
-/* Returns true if A is a valid alignment,
- false otherwise. */
-bool
-alignment_is_valid (enum alignment a)
-{
- return a < n_ALIGN;
+ set_style (styles, FMT_F, "", "", decimal, 0);
+ set_style (styles, FMT_E, "", "", decimal, 0);
+ set_style (styles, FMT_COMMA, "", "", decimal, grouping);
+ set_style (styles, FMT_DOT, "", "", grouping, decimal);
+ set_style (styles, FMT_DOLLAR, "$", "", decimal, grouping);
+ set_style (styles, FMT_PCT, "", "%", decimal, 0);
}
\f
/* Returns the struct fmt_desc for the given format TYPE. */
projects / pspp-builds.git / blobdiff