#include <config.h>
#include "format.h"
#include <ctype.h>
-#include <assert.h>
+#include "error.h"
#include <stdlib.h>
#include "error.h"
#include "lexer.h"
{"", -1, -1, -1, -1, -1, 0000, -1, -1},
};
-const int translate_fmt[40] =
- {
- -1, FMT_A, FMT_AHEX, FMT_COMMA, FMT_DOLLAR, FMT_F, FMT_IB,
- FMT_PIBHEX, FMT_P, FMT_PIB, FMT_PK, FMT_RB, FMT_RBHEX, -1,
- -1, FMT_Z, FMT_N, FMT_E, -1, -1, FMT_DATE, FMT_TIME,
- FMT_DATETIME, FMT_ADATE, FMT_JDATE, FMT_DTIME, FMT_WKDAY,
- FMT_MONTH, FMT_MOYR, FMT_QYR, FMT_WKYR, FMT_PCT, FMT_DOT,
- FMT_CCA, FMT_CCB, FMT_CCC, FMT_CCD, FMT_CCE, FMT_EDATE,
- FMT_SDATE,
- };
-
+/* Parses the alphabetic prefix of the current token as a format
+ specifier name. Returns the corresponding format specifier
+ type if successful, or -1 on failure. If ALLOW_XT is zero,
+ then X and T format specifiers are not allowed. If CP is
+ nonzero, then *CP is set to the first non-alphabetic character
+ in the current token on success or to a null pointer on
+ failure. */
int
parse_format_specifier_name (const char **cp, int allow_xt)
{
- struct fmt_desc *f;
- char *ep;
- int x;
+ char *sp, *ep;
+ int idx;
- ep = ds_value (&tokstr);
+ sp = ep = ds_c_str (&tokstr);
while (isalpha ((unsigned char) *ep))
ep++;
- x = *ep;
- *ep = 0;
- for (f = formats; f->name[0]; f++)
- if (!strcmp (f->name, ds_value (&tokstr)))
- {
- int indx = f - formats;
-
- *ep = x;
- if (cp)
- *cp = ep;
+ if (sp != ep)
+ {
+ /* Find format. */
+ for (idx = 0; idx < FMT_NUMBER_OF_FORMATS; idx++)
+ if (strlen (formats[idx].name) == ep - sp
+ && !memcmp (formats[idx].name, sp, ep - sp))
+ break;
- if (!allow_xt && (indx == FMT_T || indx == FMT_X))
- {
- msg (SE, _("X and T format specifiers not allowed here."));
- return -1;
- }
- return indx;
- }
+ /* Check format. */
+ if (idx < FMT_NUMBER_OF_FORMATS)
+ {
+ if (!allow_xt && (idx == FMT_T || idx == FMT_X))
+ {
+ msg (SE, _("X and T format specifiers not allowed here."));
+ idx = -1;
+ }
+ }
+ else
+ {
+ /* No match. */
+ msg (SE, _("%.*s is not a valid data format."),
+ (int) (ep - sp), ds_c_str (&tokstr));
+ idx = -1;
+ }
+ }
+ else
+ {
+ lex_error ("expecting data format");
+ idx = -1;
+ }
+
+ if (cp != NULL)
+ {
+ if (idx != -1)
+ *cp = ep;
+ else
+ *cp = NULL;
+ }
- msg (SE, _("%s is not a valid data format."), ds_value (&tokstr));
- *ep = x;
- return -1;
+ return idx;
}
/* Converts F to its string representation (for instance, "F8.2") and
return buf;
}
+/* Checks whether SPEC is valid as an input format and returns
+ nonzero if so. Otherwise, emits an error message and returns
+ zero. */
int
check_input_specifier (const struct fmt_spec *spec)
{
return 1;
}
+/* Checks whether SPEC is valid as an output format and returns
+ nonzero if so. Otherwise, emits an error message and returns
+ zero. */
int
check_output_specifier (const struct fmt_spec *spec)
{
return 1;
}
+/* Converts input format specifier INPUT into output format
+ specifier OUTPUT. */
void
convert_fmt_ItoO (const struct fmt_spec *input, struct fmt_spec *output)
{
}
}
+/* Parses a format specifier from the token stream and returns
+ nonzero only if successful. Emits an error message on
+ failure. Allows X and T format specifiers only if ALLOW_XT is
+ nonzero. The caller should call check_input_specifier() or
+ check_output_specifier() on the parsed format as
+ necessary. */
int
parse_format_specifier (struct fmt_spec *input, int allow_xt)
{
if (cp2 == cp && type != FMT_X)
{
msg (SE, _("Data format %s does not specify a width."),
- ds_value (&tokstr));
+ ds_c_str (&tokstr));
return 0;
}
if (*cp)
{
- msg (SE, _("Data format %s is not valid."), ds_value (&tokstr));
+ msg (SE, _("Data format %s is not valid."), ds_c_str (&tokstr));
return 0;
}
lex_get ();
return 1;
}
+/* 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. */
+int
+get_format_var_width (const struct fmt_spec *spec)
+{
+ if (spec->type == FMT_AHEX)
+ return spec->w * 2;
+ else if (spec->type == FMT_A)
+ return spec->w;
+ else
+ return 0;
+}
+
+/* Returns the PSPP format corresponding to the given SPSS
+ format. */
+int
+translate_fmt (int spss)
+{
+ int type;
+
+ for (type = 0; type < FMT_NUMBER_OF_FORMATS; type++)
+ if (formats[type].spss == spss)
+ return type;
+ return -1;
+}
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