#include <ctype.h>
#include <errno.h>
+#include <limits.h>
#include <math.h>
#include <stdarg.h>
+#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
-#include <stdbool.h>
-#include <limits.h>
#include "calendar.h"
+#include "dictionary.h"
+#include "format.h"
#include "identifier.h"
+#include "libpspp/assertion.h"
+#include "libpspp/compiler.h"
+#include "libpspp/i18n.h"
+#include "libpspp/integer-format.h"
+#include "libpspp/legacy-encoding.h"
+#include "libpspp/message.h"
+#include "libpspp/misc.h"
+#include "libpspp/str.h"
#include "settings.h"
#include "value.h"
-#include "format.h"
-#include "dictionary.h"
-#include <libpspp/assertion.h>
-#include <libpspp/legacy-encoding.h>
-#include <libpspp/i18n.h>
-#include <libpspp/compiler.h>
-#include <libpspp/integer-format.h>
-#include <libpspp/message.h>
-#include <libpspp/misc.h>
-#include <libpspp/str.h>
-#include "c-ctype.h"
-#include "c-strtod.h"
-#include "minmax.h"
-#include "xalloc.h"
+#include "gl/c-ctype.h"
+#include "gl/c-strtod.h"
+#include "gl/minmax.h"
+#include "gl/xalloc.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
const char *src_enc; /* Encoding of source. */
struct substring input; /* Source. */
enum fmt_type format; /* Input format. */
- int implied_decimals; /* Number of implied decimal places. */
union value *output; /* Destination. */
int width; /* Output width. */
static void data_warning (const struct data_in *, const char *, ...)
PRINTF_FORMAT (2, 3);
-static void apply_implied_decimals (struct data_in *);
static void default_result (struct data_in *);
static bool trim_spaces_and_check_missing (struct data_in *);
otherwise the string width).
Iff FORMAT is a string format, then DICT must be a pointer
to the dictionary associated with OUTPUT. Otherwise, DICT
- may be null.
-
- If no decimal point is included in a numeric format, then
- IMPLIED_DECIMALS decimal places are implied. Specify 0 if no
- decimal places should be implied.
-
- If FIRST_COLUMN and LAST_COLUMN are nonzero, then they should
- be the 1-based column number of the first and
- one-past-the-last-character in INPUT, for use in error
- messages. (LAST_COLUMN cannot always be calculated from
- FIRST_COLUMN plus the length of the input because of the
- possibility of escaped quotes in strings, etc.) */
+ may be null. */
bool
data_in (struct substring input, const char *encoding,
- enum fmt_type format, int implied_decimals,
- int first_column, int last_column,
- const struct dictionary *dict,
- union value *output, int width)
+ enum fmt_type format, int first_column, int last_column,
+ const struct dictionary *dict, union value *output, int width)
{
static data_in_parser_func *const handlers[FMT_NUMBER_OF_FORMATS] =
{
assert ((width != 0) == fmt_is_string (format));
i.format = format;
- i.implied_decimals = implied_decimals;
i.output = output;
i.width = width;
return ok;
}
+static bool
+number_has_implied_decimals (const char *s, enum fmt_type type)
+{
+ int decimal = settings_get_style (type)->decimal;
+ bool got_digit = false;
+ for (;;)
+ {
+ switch (*s)
+ {
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ got_digit = true;
+ break;
+
+ case '+': case '-':
+ if (got_digit)
+ return false;
+ break;
+
+ case 'e': case 'E': case 'd': case 'D':
+ return false;
+
+ case '.': case ',':
+ if (*s == decimal)
+ return false;
+ break;
+
+ case '\0':
+ return true;
+
+ default:
+ break;
+ }
+
+ s++;
+ }
+}
+
+static bool
+has_implied_decimals (struct substring input, const char *encoding,
+ enum fmt_type format)
+{
+ bool retval;
+ char *s;
+
+ switch (format)
+ {
+ case FMT_F:
+ case FMT_COMMA:
+ case FMT_DOT:
+ case FMT_DOLLAR:
+ case FMT_PCT:
+ case FMT_E:
+ case FMT_Z:
+ break;
+
+ case FMT_N:
+ case FMT_IB:
+ case FMT_PIB:
+ case FMT_P:
+ case FMT_PK:
+ return true;
+
+ default:
+ return false;
+ }
+
+ s = recode_string (LEGACY_NATIVE, encoding,
+ ss_data (input), ss_length (input));
+ retval = (format == FMT_Z
+ ? strchr (s, '.') == NULL
+ : number_has_implied_decimals (s, format));
+ free (s);
+
+ return retval;
+}
+
+/* In some cases, when no decimal point is explicitly included in numeric
+ input, its position is implied by the number of decimal places in the input
+ format. In such a case, this function may be called just after data_in().
+ Its arguments are a subset of that function's arguments plus D, the number
+ of decimal places associated with FORMAT.
+
+ If it is appropriate, this function modifies the numeric value in OUTPUT. */
+void
+data_in_imply_decimals (struct substring input, const char *encoding,
+ enum fmt_type format, int d, union value *output)
+{
+ if (d > 0 && output->f != SYSMIS
+ && has_implied_decimals (input, encoding, format))
+ output->f /= pow (10., d);
+}
\f
/* Format parsers. */
else
{
errno = save_errno;
- if (!explicit_decimals)
- apply_implied_decimals (i);
}
ds_destroy (&tmp);
i->output->f = i->output->f * 10.0 + (c - '0');
}
- apply_implied_decimals (i);
return true;
}
}
}
else
- {
- errno = save_errno;
- if (!got_dot)
- apply_implied_decimals (i);
- }
+ errno = save_errno;
ds_destroy (&tmp);
return true;
i->output->f = -(double) -value;
}
- apply_implied_decimals (i);
-
return true;
}
i->output->f = integer_get (settings_get_input_integer_format (), ss_data (i->input),
MIN (8, ss_length (i->input)));
- apply_implied_decimals (i);
-
return true;
}
else if (low_nibble == 0xb || low_nibble == 0xd)
i->output->f = -i->output->f;
- apply_implied_decimals (i);
-
return true;
}
i->output->f = (100 * i->output->f) + (10 * high_nibble) + low_nibble;
}
- apply_implied_decimals (i);
-
return true;
}
return true;
}
+
\f
/* Utility functions. */
msg_emit (&m);
}
-/* Apply implied decimal places to output. */
-static void
-apply_implied_decimals (struct data_in *i)
-{
- if (i->implied_decimals > 0)
- i->output->f /= pow (10., i->implied_decimals);
-}
-
/* Sets the default result for I.
For a numeric format, this is the value set on SET BLANKS
(typically system-missing); for a string format, it is all