/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2006, 2010 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 "gettext.h"
#define _(msgid) gettext (msgid)
-
+struct fmt_settings
+ {
+ struct fmt_number_style styles[FMT_NUMBER_OF_FORMATS];
+ };
bool is_fmt_type (enum fmt_type);
static int max_digits_for_bytes (int bytes);
-void fmt_number_style_init (struct fmt_number_style *style);
+static void fmt_number_style_init (struct fmt_number_style *);
+static void fmt_number_style_clone (struct fmt_number_style *,
+ const struct fmt_number_style *);
+static void fmt_number_style_destroy (struct fmt_number_style *);
+
+/* Creates and returns a new struct fmt_settings with default format styles. */
+struct fmt_settings *
+fmt_settings_create (void)
+{
+ struct fmt_settings *settings;
+ int t;
+
+ settings = xzalloc (sizeof *settings);
+ for (t = 0 ; t < FMT_NUMBER_OF_FORMATS ; ++t )
+ fmt_number_style_init (&settings->styles[t]);
+ fmt_settings_set_decimal (settings, '.');
+ return settings;
+}
-/* Initialize the format module. */
-struct fmt_number_style *
-fmt_create (void)
+/* Destroys SETTINGS. */
+void
+fmt_settings_destroy (struct fmt_settings *settings)
{
- struct fmt_number_style *styles =
- xcalloc (FMT_NUMBER_OF_FORMATS, sizeof (*styles));
+ if (settings != NULL)
+ {
+ int t;
+
+ for (t = 0 ; t < FMT_NUMBER_OF_FORMATS ; ++t )
+ fmt_number_style_destroy (&settings->styles[t]);
+ free (settings->styles);
+ }
+}
+
+/* Returns a copy of SETTINGS. */
+struct fmt_settings *
+fmt_settings_clone (const struct fmt_settings *old)
+{
+ struct fmt_settings *new;
int t;
+
+ new = xmalloc (sizeof *new);
for (t = 0 ; t < FMT_NUMBER_OF_FORMATS ; ++t )
- fmt_number_style_init (&styles[t]);
+ fmt_number_style_clone (&new->styles[t], &old->styles[t]);
+
+ return new;
+}
- fmt_set_decimal (styles, '.');
+/* Returns the number formatting style associated with the given
+ format TYPE. */
+const struct fmt_number_style *
+fmt_settings_get_style (const struct fmt_settings *settings,
+ enum fmt_type type)
+{
+ assert (is_fmt_type (type));
+ return &settings->styles[type];
+}
- return styles;
+void
+fmt_settings_set_style (struct fmt_settings *settings, enum fmt_type type,
+ const struct fmt_number_style *style)
+{
+ fmt_check_style (style);
+ fmt_number_style_destroy (&settings->styles[type]);
+ fmt_number_style_clone (&settings->styles[type], style);
}
+/* 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 (struct fmt_settings *settings, enum fmt_type type,
+ const char *prefix, const char *suffix,
+ char decimal, char grouping)
+{
+ struct fmt_number_style *style;
+
+ assert (is_fmt_type (type));
+
+ style = &settings->styles[type];
+
+ fmt_number_style_destroy (style);
+
+ 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->decimal = decimal;
+ style->grouping = grouping;
+}
-/* Deinitialize the format module. */
+/* Sets the decimal point character for SETTINGS to DECIMAL. */
void
-fmt_done (struct fmt_number_style *styles)
+fmt_settings_set_decimal (struct fmt_settings *settings, char decimal)
{
- int t;
- for (t = 0 ; t < FMT_NUMBER_OF_FORMATS ; ++t )
- fmt_number_style_destroy (&styles[t]);
+ int grouping = decimal == '.' ? ',' : '.';
+ assert (decimal == '.' || decimal == ',');
- free (styles);
+ set_style (settings, FMT_F, "", "", decimal, 0);
+ set_style (settings, FMT_E, "", "", decimal, 0);
+ set_style (settings, FMT_COMMA, "", "", decimal, grouping);
+ set_style (settings, FMT_DOT, "", "", grouping, decimal);
+ set_style (settings, FMT_DOLLAR, "$", "", decimal, grouping);
+ set_style (settings, FMT_PCT, "", "%", decimal, 0);
}
/* Returns an input format specification with type TYPE, width W,
/* Still numeric. */
}
}
+
+/* Adjusts FMT's width and decimal places to be valid for an
+ input format (if FOR_INPUT) or an output format (if
+ !FOR_INPUT). */
+void
+fmt_fix (struct fmt_spec *fmt, bool for_input)
+{
+ int min_w, max_w;
+ int max_d;
+
+ /* Clamp width to those allowed by format. */
+ min_w = fmt_min_width (fmt->type, for_input);
+ max_w = fmt_max_width (fmt->type, for_input);
+ if (fmt->w < min_w)
+ fmt->w = min_w;
+ else if (fmt->w > max_w)
+ fmt->w = max_w;
+
+ /* First, if FMT has more decimal places than allowed, attempt
+ to increase FMT's width until that number of decimal places
+ can be achieved. */
+ if (fmt->d > fmt_max_decimals (fmt->type, fmt->w, for_input))
+ {
+ int w;
+ for (w = fmt->w; w <= max_w; w++)
+ if (fmt_max_decimals (fmt->type, w, for_input) >= fmt->d)
+ {
+ fmt->w = w;
+ break;
+ }
+ }
+
+ /* Clamp decimals to those allowed by format and width. */
+ max_d = fmt_max_decimals (fmt->type, fmt->w, for_input);
+ if (fmt->d < 0)
+ fmt->d = 0;
+ else if (fmt->d > max_d)
+ fmt->d = max_d;
+}
+
+/* Adjusts FMT's width and decimal places to be valid for an
+ input format. */
+void
+fmt_fix_input (struct fmt_spec *fmt)
+{
+ fmt_fix (fmt, true);
+}
+
+/* Adjusts FMT's width and decimal places to be valid for an
+ output format. */
+void
+fmt_fix_output (struct fmt_spec *fmt)
+{
+ fmt_fix (fmt, false);
+}
\f
/* Describes a display format. */
struct fmt_desc
bool
fmt_from_io (int io, enum fmt_type *fmt_type)
{
- enum fmt_type type;
-
- for (type = 0; type < FMT_NUMBER_OF_FORMATS; type++)
- if (get_fmt_desc (type)->io == io)
- {
- *fmt_type = type;
- return true;
- }
- return false;
+ switch (io)
+ {
+#define FMT(NAME, METHOD, IMIN, OMIN, IO, CATEGORY) \
+ case IO: \
+ *fmt_type = FMT_##NAME; \
+ return true;
+#include "format.def"
+ default:
+ return false;
+ }
}
/* Returns true if TYPE may be used as an input format,
return map[bytes - 1];
}
\f
-
-
-void
+static void
fmt_number_style_init (struct fmt_number_style *style)
{
style->neg_prefix = ss_empty ();
style->grouping = 0;
}
+static void
+fmt_number_style_clone (struct fmt_number_style *new,
+ const struct fmt_number_style *old)
+{
+ ss_alloc_substring (&new->neg_prefix, old->neg_prefix);
+ ss_alloc_substring (&new->prefix, old->prefix);
+ ss_alloc_substring (&new->suffix, old->suffix);
+ ss_alloc_substring (&new->neg_suffix, old->neg_suffix);
+ new->decimal = old->decimal;
+ new->grouping = old->grouping;
+}
/* Destroys a struct fmt_number_style. */
-void
+static void
fmt_number_style_destroy (struct fmt_number_style *style)
{
if (style != NULL)
}
}
-/* Returns the number formatting style associated with the given
- format TYPE. */
-const struct fmt_number_style *
-fmt_get_style (const struct fmt_number_style *styles, enum fmt_type type)
-{
- assert (is_fmt_type (type));
- return &styles[type];
-}
-
-
/* Checks that style is STYLE sane */
void
fmt_check_style (const struct fmt_number_style *style)
return ss_length (style->neg_prefix) + ss_length (style->neg_suffix);
}
-
-/* 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 (struct fmt_number_style *styles, enum fmt_type type,
- const char *prefix, const char *suffix,
- char decimal, char grouping)
-{
- struct fmt_number_style *style;
-
- assert (is_fmt_type (type));
-
- style = &styles[type] ;
-
- fmt_number_style_destroy (style);
-
- 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->decimal = decimal;
- style->grouping = grouping;
-}
-
-/* Sets the decimal point character to DECIMAL. */
-void
-fmt_set_decimal (struct fmt_number_style *styles, char decimal)
-{
- int grouping = decimal == '.' ? ',' : '.';
- assert (decimal == '.' || decimal == ',');
-
- 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. */
static const struct fmt_desc *
get_fmt_desc (enum fmt_type type)
assert (is_fmt_type (type));
return &formats[type];
}
+
+const struct fmt_spec F_8_0 = {FMT_F, 8, 0};