Implement SET LEADZERO.

[pspp] / src / data / format.h

diff --git a/src/data/format.h b/src/data/format.h
index 223ce1533d11f2185568d8f18f9e1c444277cde3..8c54ba3a171448121cc0b4911b3146a21b34e510 100644 (file)
--- a/src/data/format.h
+++ b/src/data/format.h
@@ -25,6 +25,7 @@
 #include "libpspp/str.h"
 
 struct fmt_settings;
+struct msg_location;
 
 /* How a format is going to be used. */
 enum fmt_use
@@ -56,7 +57,7 @@ enum fmt_category
   };
 
 /* Format type. */
-enum fmt_type
+enum ATTRIBUTE ((packed)) fmt_type
   {
 #define FMT(NAME, METHOD, IMIN, OMIN, IO, CATEGORY) FMT_##NAME,
 #include "format.def"
@@ -75,8 +76,8 @@ enum fmt_type
 struct fmt_spec
   {
     enum fmt_type type;                /* One of FMT_*. */
-    int w;                     /* Width. */
-    int d;                     /* Number of decimal places. */
+    uint8_t d;                 /* Number of decimal places. */
+    uint16_t w;                        /* Width. */
   };
 
 /* Maximum width of any numeric format. */
@@ -96,6 +97,10 @@ bool fmt_check_output (const struct fmt_spec *);
 bool fmt_check_type_compat (const struct fmt_spec *, enum val_type);
 bool fmt_check_width_compat (const struct fmt_spec *, int var_width);
 
+char *fmt_check__ (const struct fmt_spec *, enum fmt_use);
+char *fmt_check_type_compat__ (const struct fmt_spec *, enum val_type);
+char *fmt_check_width_compat__ (const struct fmt_spec *, int var_width);
+
 /* Working with formats. */
 int fmt_var_width (const struct fmt_spec *);
 char *fmt_to_string (const struct fmt_spec *, char s[FMT_STRING_LEN_MAX + 1]);
@@ -159,6 +164,7 @@ struct fmt_number_style
     struct fmt_affix neg_suffix; /* Negative suffix. */
     char decimal;                /* Decimal point: '.' or ','. */
     char grouping;               /* Grouping character: ',', '.', or 0. */
+    bool include_leading_zero;   /* Format as ".5" or "0.5"? */
 
     /* A fmt_affix may require more bytes than its display width; for example,
        U+00A5 (¥) is 2 bytes in UTF-8 but occupies only one display column.
@@ -175,6 +181,8 @@ struct fmt_number_style *fmt_number_style_clone (
   const struct fmt_number_style *);
 void fmt_number_style_destroy (struct fmt_number_style *);
 
+char *fmt_number_style_to_string (const struct fmt_number_style *);
+
 int fmt_affix_width (const struct fmt_number_style *);
 int fmt_neg_affix_width (const struct fmt_number_style *);
 \f
@@ -185,13 +193,18 @@ struct fmt_settings
   {
     int epoch;                               /* 0 for default epoch. */
     char decimal;                            /* '.' or ','. */
+
+    /* Format F, E, COMMA, and DOT with leading zero (e.g. "0.5" instead of
+       ".5")? */
+    bool include_leading_zero;
+
     struct fmt_number_style *ccs[FMT_N_CCS]; /* CCA through CCE. */
   };
 #define FMT_SETTINGS_INIT { .decimal = '.' }
 
 void fmt_settings_init (struct fmt_settings *);
 void fmt_settings_uninit (struct fmt_settings *);
-void fmt_settings_copy (struct fmt_settings *, const struct fmt_settings *);
+struct fmt_settings fmt_settings_copy (const struct fmt_settings *);
 
 const struct fmt_number_style *fmt_settings_get_style (
   const struct fmt_settings *, enum fmt_type);