#include <ctype.h>
#include <stdlib.h>
+#include <uniwidth.h>
#include "data/identifier.h"
#include "data/settings.h"
bool is_fmt_type (enum fmt_type);
-static bool valid_width (enum fmt_type, int width, bool for_input);
+static bool valid_width (enum fmt_type, int width, enum fmt_use);
static int max_digits_for_bytes (int bytes);
+static void fmt_clamp_width (struct fmt_spec *, enum fmt_use);
+static void fmt_clamp_decimals (struct fmt_spec *, enum fmt_use);
static void fmt_affix_set (struct fmt_affix *, const char *);
static void fmt_affix_free (struct fmt_affix *);
/* Sets the number style for TYPE to have the given DECIMAL and GROUPING
characters, negative prefix NEG_PREFIX, prefix PREFIX, suffix SUFFIX, and
- negative suffix NEG_SUFFIX. */
+ negative suffix NEG_SUFFIX. All of the strings are UTF-8 encoded. */
void
fmt_settings_set_style (struct fmt_settings *settings, enum fmt_type type,
char decimal, char grouping,
const char *suffix, const char *neg_suffix)
{
struct fmt_number_style *style = &settings->styles[type];
+ int total_bytes, total_width;
assert (grouping == '.' || grouping == ',' || grouping == 0);
assert (decimal == '.' || decimal == ',');
fmt_affix_set (&style->neg_suffix, neg_suffix);
style->decimal = decimal;
style->grouping = grouping;
+
+ total_bytes = (strlen (neg_prefix) + strlen (prefix)
+ + strlen (suffix) + strlen (neg_suffix));
+ total_width = (style->neg_prefix.width + style->prefix.width
+ + style->suffix.width + style->neg_suffix.width);
+ style->extra_bytes = MAX (0, total_bytes - total_width);
}
/* Sets the decimal point character for the settings in S to DECIMAL.
: 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.
+/* Checks whether SPEC is valid for USE and returns nonzero if so.
Otherwise, emits an error message and returns zero. */
bool
-fmt_check (const struct fmt_spec *spec, bool for_input)
+fmt_check (const struct fmt_spec *spec, enum fmt_use use)
{
- const char *io_fmt = for_input ? _("Input format") : _("Output format");
+ const char *io_fmt;
char str[FMT_STRING_LEN_MAX + 1];
int min_w, max_w, max_d;
assert (is_fmt_type (spec->type));
fmt_to_string (spec, str);
- if (for_input && !fmt_usable_for_input (spec->type))
+ io_fmt = use == FMT_FOR_INPUT ? _("Input format") : _("Output format");
+ if (use == FMT_FOR_INPUT && !fmt_usable_for_input (spec->type))
{
msg (SE, _("Format %s may not be used for input."), str);
return false;
return false;
}
- min_w = fmt_min_width (spec->type, for_input);
- max_w = fmt_max_width (spec->type, for_input);
+ min_w = fmt_min_width (spec->type, use);
+ max_w = fmt_max_width (spec->type, use);
if (spec->w < min_w || spec->w > max_w)
{
msg (SE, _("%s %s specifies width %d, but "
return false;
}
- max_d = fmt_max_decimals (spec->type, spec->w, for_input);
+ max_d = fmt_max_decimals (spec->type, spec->w, use);
if (!fmt_takes_decimals (spec->type) && spec->d != 0)
{
msg (SE, ngettext ("%s %s specifies %d decimal place, but "
bool
fmt_check_input (const struct fmt_spec *spec)
{
- return fmt_check (spec, true);
+ return fmt_check (spec, FMT_FOR_INPUT);
}
/* Checks whether SPEC is valid as an output format and returns
bool
fmt_check_output (const struct fmt_spec *spec)
{
- return fmt_check (spec, false);
+ return fmt_check (spec, FMT_FOR_OUTPUT);
}
/* Checks that FORMAT is appropriate for a variable of the given
}
}
-/* Adjusts FMT's width and decimal places to be valid for an
- input format (if FOR_INPUT) or an output format (if
- !FOR_INPUT). */
+/* Adjusts FMT's width and decimal places to be valid for USE. */
void
-fmt_fix (struct fmt_spec *fmt, bool for_input)
+fmt_fix (struct fmt_spec *fmt, enum fmt_use use)
{
- 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;
+ fmt_clamp_width (fmt, use);
- /* 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))
+ /* 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, use)
+ && fmt_takes_decimals (fmt->type))
{
- 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;
- }
+ int max_w = fmt_max_width (fmt->type, use);
+ for (; fmt->w < max_w; fmt->w++)
+ if (fmt->d <= fmt_max_decimals (fmt->type, fmt->w, use))
+ 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;
+ fmt_clamp_decimals (fmt, use);
}
/* Adjusts FMT's width and decimal places to be valid for an
void
fmt_fix_input (struct fmt_spec *fmt)
{
- fmt_fix (fmt, true);
+ fmt_fix (fmt, FMT_FOR_INPUT);
}
/* Adjusts FMT's width and decimal places to be valid for an
void
fmt_fix_output (struct fmt_spec *fmt)
{
- fmt_fix (fmt, false);
+ fmt_fix (fmt, FMT_FOR_OUTPUT);
+}
+
+/* Sets FMT's width to WIDTH (or the nearest width allowed by FMT's type) and
+ reduces its decimal places as necessary (if necessary) for that width. */
+void
+fmt_change_width (struct fmt_spec *fmt, int width, enum fmt_use use)
+{
+ fmt->w = width;
+ fmt_clamp_width (fmt, use);
+ fmt_clamp_decimals (fmt, use);
+}
+
+/* Sets FMT's decimal places to DECIMALS (or the nearest number of decimal
+ places allowed by FMT's type) and increases its width as necessary (if
+ necessary) for that number of decimal places. */
+void
+fmt_change_decimals (struct fmt_spec *fmt, int decimals, enum fmt_use use)
+{
+ fmt->d = decimals;
+ fmt_fix (fmt, use);
}
\f
/* Describes a display format. */
return fmt_max_output_decimals (type, fmt_max_output_width (type)) > 0;
}
-/* Returns the minimum width of the given format TYPE,
- for input if FOR_INPUT is true,
- for output otherwise. */
+/* Returns the minimum width of the given format TYPE for the given USE. */
int
-fmt_min_width (enum fmt_type type, bool for_input)
+fmt_min_width (enum fmt_type type, enum fmt_use use)
{
- return for_input ? fmt_min_input_width (type) : fmt_min_output_width (type);
+ return (use == FMT_FOR_INPUT
+ ? fmt_min_input_width (type)
+ : fmt_min_output_width (type));
}
/* Returns the maximum width of the given format TYPE,
for input if FOR_INPUT is true,
for output otherwise. */
int
-fmt_max_width (enum fmt_type type, bool for_input UNUSED)
+fmt_max_width (enum fmt_type type, enum fmt_use use UNUSED)
{
/* Maximum width is actually invariant of whether the format is
for input or output, so FOR_INPUT is unused. */
}
/* Returns the maximum number of decimal places allowed for the
- given format TYPE with a width of WIDTH places,
- for input if FOR_INPUT is true,
- for output otherwise. */
+ given format TYPE with a width of WIDTH places, for the given USE. */
int
-fmt_max_decimals (enum fmt_type type, int width, bool for_input)
+fmt_max_decimals (enum fmt_type type, int width, enum fmt_use use)
{
int max_d;
case FMT_F:
case FMT_COMMA:
case FMT_DOT:
- max_d = for_input ? width : width - 1;
+ max_d = use == FMT_FOR_INPUT ? width : width - 1;
break;
case FMT_DOLLAR:
case FMT_PCT:
- max_d = for_input ? width : width - 2;
+ max_d = use == FMT_FOR_INPUT ? width : width - 2;
break;
case FMT_E:
- max_d = for_input ? width : width - 7;
+ max_d = use == FMT_FOR_INPUT ? width : width - 7;
break;
case FMT_CCA:
case FMT_CCC:
case FMT_CCD:
case FMT_CCE:
- assert (!for_input);
+ assert (use == FMT_FOR_OUTPUT);
max_d = width - 1;
break;
int
fmt_max_input_width (enum fmt_type type)
{
- return fmt_max_width (type, true);
+ return fmt_max_width (type, FMT_FOR_INPUT);
}
/* Returns the maximum number of decimal places allowed in an
fmt_max_input_decimals (enum fmt_type type, int width)
{
assert (valid_width (type, width, true));
- return fmt_max_decimals (type, width, true);
+ return fmt_max_decimals (type, width, FMT_FOR_INPUT);
}
/* Returns the minimum acceptable width for an output field
int
fmt_max_output_width (enum fmt_type type)
{
- return fmt_max_width (type, false);
+ return fmt_max_width (type, FMT_FOR_OUTPUT);
}
/* Returns the maximum number of decimal places allowed in an
fmt_max_output_decimals (enum fmt_type type, int width)
{
assert (valid_width (type, width, false));
- return fmt_max_decimals (type, width, false);
+ return fmt_max_decimals (type, width, FMT_FOR_OUTPUT);
}
/* Returns the width step for a field formatted with the given
}
}
+/* Returns a string representing the format TYPE for use in a GUI dialog. */
+const char *
+fmt_gui_name (enum fmt_type type)
+{
+ switch (type)
+ {
+ case FMT_F:
+ return _("Numeric");
+
+ case FMT_COMMA:
+ return _("Comma");
+
+ case FMT_DOT:
+ return _("Dot");
+
+ case FMT_E:
+ return _("Scientific");
+
+ case FMT_DATE:
+ case FMT_EDATE:
+ case FMT_SDATE:
+ case FMT_ADATE:
+ case FMT_JDATE:
+ case FMT_QYR:
+ case FMT_MOYR:
+ case FMT_WKYR:
+ case FMT_DATETIME:
+ case FMT_TIME:
+ case FMT_DTIME:
+ case FMT_WKDAY:
+ case FMT_MONTH:
+ return _("Date");
+
+ case FMT_DOLLAR:
+ return _("Dollar");
+
+ case FMT_CCA:
+ case FMT_CCB:
+ case FMT_CCC:
+ case FMT_CCD:
+ case FMT_CCE:
+ return _("Custom");
+
+ case FMT_A:
+ return _("String");
+
+ default:
+ return fmt_name (type);
+ }
+}
\f
/* Returns true if TYPE is a valid format type,
false otherwise. */
}
/* Returns true if WIDTH is a valid width for the given format
- TYPE,
- for input if FOR_INPUT is true,
- for output otherwise. */
+ TYPE, for the given USE. */
static bool
-valid_width (enum fmt_type type, int width, bool for_input)
+valid_width (enum fmt_type type, int width, enum fmt_use use)
{
- return (width >= fmt_min_width (type, for_input)
- && width <= fmt_max_width (type, for_input));
+ return (width >= fmt_min_width (type, use)
+ && width <= fmt_max_width (type, use));
}
/* Returns the maximum number of decimal digits in an unsigned
assert (bytes > 0 && bytes <= sizeof map / sizeof *map);
return map[bytes - 1];
}
+
+/* Clamp FMT's width to the range and values allowed by FMT's type. */
+static void
+fmt_clamp_width (struct fmt_spec *fmt, enum fmt_use use)
+{
+ unsigned int step;
+ int min_w, max_w;
+
+ min_w = fmt_min_width (fmt->type, use);
+ max_w = fmt_max_width (fmt->type, use);
+ if (fmt->w < min_w)
+ fmt->w = min_w;
+ else if (fmt->w > max_w)
+ fmt->w = max_w;
+
+ /* Round width to step. */
+ step = fmt_step_width (fmt->type);
+ fmt->w = ROUND_DOWN (fmt->w, step);
+}
+
+/* Clamp FMT's decimal places to the range allowed by FMT's type and width. */
+static void
+fmt_clamp_decimals (struct fmt_spec *fmt, enum fmt_use use)
+{
+ int max_d;
+
+ max_d = fmt_max_decimals (fmt->type, fmt->w, use);
+ if (fmt->d < 0)
+ fmt->d = 0;
+ else if (fmt->d > max_d)
+ fmt->d = max_d;
+}
\f
-/* Sets AFFIX's string value to S. */
+/* Sets AFFIX's string value to S, a UTF-8 encoded string. */
static void
fmt_affix_set (struct fmt_affix *affix, const char *s)
{
affix->s = s[0] == '\0' ? CONST_CAST (char *, "") : xstrdup (s);
+ affix->width = u8_strwidth (CHAR_CAST (const uint8_t *, s), "UTF-8");
}
/* Frees data in AFFIX. */
fmt_affix_set (&new->neg_suffix, old->neg_suffix.s);
new->decimal = old->decimal;
new->grouping = old->grouping;
+ new->extra_bytes = old->extra_bytes;
}
/* Destroys a struct fmt_number_style. */
}
}
-/* Returns the total width of the standard prefix and suffix for
- STYLE. */
+/* Returns the total width of the standard prefix and suffix for STYLE, in
+ display columns (e.g. as returned by u8_strwidth()). */
int
fmt_affix_width (const struct fmt_number_style *style)
{
- return strlen (style->prefix.s) + strlen (style->suffix.s);
+ return style->prefix.width + style->suffix.width;
}
-/* Returns the total width of the negative prefix and suffix for
- STYLE. */
+/* Returns the total width of the negative prefix and suffix for STYLE, in
+ display columns (e.g. as returned by u8_strwidth()). */
int
fmt_neg_affix_width (const struct fmt_number_style *style)
{
- return strlen (style->neg_prefix.s) + strlen (style->neg_suffix.s);
+ return style->neg_prefix.width + style->neg_suffix.width;
}
/* Returns the struct fmt_desc for the given format TYPE. */
projects / pspp / blobdiff