#include "data/case.h"
#include "data/casereader.h"
+#include "data/dataset.h"
#include "data/dictionary.h"
-#include "data/procedure.h"
#include "data/transformations.h"
#include "data/variable.h"
#include "language/command.h"
#include "language/lexer/lexer.h"
#include "language/lexer/variable-parser.h"
#include "libpspp/array.h"
-#include "libpspp/i18n.h"
#include "libpspp/compiler.h"
#include "libpspp/hash-functions.h"
#include "libpspp/hmap.h"
+#include "libpspp/i18n.h"
#include "libpspp/message.h"
#include "libpspp/pool.h"
#include "libpspp/str.h"
#include "gl/xalloc.h"
#include "gl/vasnprintf.h"
+#include "gl/mbiter.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
{
struct hmap_node hmap_node; /* Element in "struct arc_spec" hash table. */
union value from; /* Original value. */
+ int width; /* Width of the original value */
+
double to; /* Recoded value. */
};
/* Hash table of "struct arc_item"s. */
struct hmap *global_items;
+
+ bool blank_valid;
+ const struct dictionary *dict;
};
static trns_proc_func autorecode_trns_proc;
static trns_free_func autorecode_trns_free;
-static int compare_arc_items (const void *, const void *, const void *width);
+static int compare_arc_items (const void *, const void *, const void *aux);
static void arc_free (struct autorecode_pgm *);
-static struct arc_item *find_arc_item (struct arc_spec *, const union value *,
+static struct arc_item *find_arc_item (const struct arc_spec *, const union value *,
size_t hash);
+static bool
+value_is_blank (const union value *val, int width, const struct dictionary *dict)
+{
+ mbi_iterator_t iter;
+ const char *str = CHAR_CAST_BUG (const char*, value_str (val, width));
+ char *text = recode_string (UTF8, dict_get_encoding (dict), str, width);
+
+ for (mbi_init (iter, text, width); mbi_avail (iter); mbi_advance (iter))
+ {
+ mbchar_t c = mbi_cur (iter);
+
+ if ( ! mb_isblank (c))
+ {
+ free (text);
+ return false;
+ }
+ }
+
+ free (text);
+ return true;
+}
+
/* Performs the AUTORECODE procedure. */
int
cmd_autorecode (struct lexer *lexer, struct dataset *ds)
{
struct autorecode_pgm *arc = NULL;
- struct dictionary *dict = dataset_dict (ds);
+ struct dictionary *dict = dataset_dict (ds);
const struct variable **src_vars = NULL;
char **dst_names = NULL;
size_t n_srcs = 0;
/* Create procedure. */
arc = xzalloc (sizeof *arc);
+ arc->blank_valid = true;
+ arc->dict = dataset_dict (ds);
/* Parse variable lists. */
lex_match_id (lexer, "VARIABLES");
- lex_match (lexer, '=');
- if (!parse_variables_const (lexer, dict, &src_vars, &n_srcs,
+ lex_match (lexer, T_EQUALS);
+ if (!parse_variables_const (lexer, arc->dict, &src_vars, &n_srcs,
PV_NO_DUPLICATE))
goto error;
if (!lex_force_match_id (lexer, "INTO"))
goto error;
- lex_match (lexer, '=');
- if (!parse_DATA_LIST_vars (lexer, &dst_names, &n_dsts, PV_NO_DUPLICATE))
+ lex_match (lexer, T_EQUALS);
+ if (!parse_DATA_LIST_vars (lexer, arc->dict, &dst_names, &n_dsts,
+ PV_NO_DUPLICATE))
goto error;
if (n_dsts != n_srcs)
{
{
const char *name = dst_names[i];
- if (dict_lookup_var (dict, name) != NULL)
+ if (dict_lookup_var (arc->dict, name) != NULL)
{
msg (SE, _("Target variable %s duplicates existing variable %s."),
name, name);
}
/* Parse options. */
- while (lex_match (lexer, '/'))
+ while (lex_match (lexer, T_SLASH))
{
if (lex_match_id (lexer, "DESCENDING"))
direction = DESCENDING;
arc->global_items = xmalloc (sizeof (*arc->global_items));
hmap_init (arc->global_items);
}
+ else if (lex_match_id (lexer, "BLANK"))
+ {
+ lex_match (lexer, T_EQUALS);
+ if (lex_match_id (lexer, "VALID"))
+ {
+ arc->blank_valid = true;
+ }
+ else if (lex_match_id (lexer, "MISSING"))
+ {
+ arc->blank_valid = false;
+ }
+ else
+ goto error;
+ }
+ else
+ goto error;
}
- if (lex_token (lexer) != '.')
+ if (lex_token (lexer) != T_ENDCMD)
{
lex_error (lexer, _("expecting end of command"));
goto error;
arc->specs = xmalloc (n_dsts * sizeof *arc->specs);
arc->n_specs = n_dsts;
+
for (i = 0; i < n_dsts; i++)
{
struct arc_spec *spec = &arc->specs[i];
struct arc_item *item;
item = find_arc_item (spec, value, hash);
- if (item == NULL)
+ if ( (item == NULL)
+ &&
+ ( arc->blank_valid || var_is_numeric (spec->src) || ! value_is_blank (value, width, arc->dict))
+ )
{
item = xmalloc (sizeof *item);
+ item->width = width;
value_clone (&item->from, value, width);
hmap_insert (spec->items, &item->hmap_node, hash);
}
struct arc_item **items;
struct arc_item *item;
size_t n_items;
- int src_width;
size_t j;
/* Create destination variable. */
j = 0;
HMAP_FOR_EACH (item, struct arc_item, hmap_node, spec->items)
items[j++] = item;
- if (!arc->global_items)
- assert (j == n_items);
+
+ assert (j == n_items);
/* Sort array by value. */
- src_width = var_get_width (spec->src);
- sort (items, n_items, sizeof *items, compare_arc_items, &src_width);
+ sort (items, n_items, sizeof *items, compare_arc_items, NULL);
/* Assign recoded values in sorted order. */
for (j = 0; j < n_items; j++)
size_t len;
char *recoded_value = NULL;
char *c;
-
+ const int src_width = items[j]->width;
union value to_val;
value_init (&to_val, 0);
/* Add value labels to the destination variable which indicate
the source value from whence the new value comes. */
-
if (src_width > 0)
{
- const char *str = (const char *) value_str (from, src_width);
+ const char *str = CHAR_CAST_BUG (const char*, value_str (from, src_width));
- recoded_value = recode_string (UTF8, dict_get_encoding (dict), str, src_width);
+ recoded_value = recode_string (UTF8, dict_get_encoding (arc->dict), str, src_width);
}
else
recoded_value = asnprintf (NULL, &len, "%g", from->f);
for (i = 0; i < arc->n_specs; i++)
{
struct arc_spec *spec = &arc->specs[i];
- int width = var_get_width (spec->src);
struct arc_item *item, *next;
HMAP_FOR_EACH_SAFE (item, next, struct arc_item, hmap_node,
spec->items)
{
- value_destroy (&item->from, width);
+ value_destroy (&item->from, item->width);
hmap_delete (spec->items, &item->hmap_node);
free (item);
}
}
static struct arc_item *
-find_arc_item (struct arc_spec *spec, const union value *value,
+find_arc_item (const struct arc_spec *spec, const union value *value,
size_t hash)
{
struct arc_item *item;
}
static int
-compare_arc_items (const void *a_, const void *b_, const void *width_)
+compare_arc_items (const void *a_, const void *b_, const void *aux UNUSED)
{
const struct arc_item *const *a = a_;
const struct arc_item *const *b = b_;
- const int *width = width_;
+ int width_a = (*a)->width;
+ int width_b = (*b)->width;
+
+ if ( width_a == width_b)
+ return value_compare_3way (&(*a)->from, &(*b)->from, width_a);
- return value_compare_3way (&(*a)->from, &(*b)->from, *width);
+ if ( width_a == 0 && width_b != 0)
+ return -1;
+
+ if ( width_b == 0 && width_a != 0)
+ return +1;
+
+ return buf_compare_rpad (CHAR_CAST_BUG (const char *, value_str (&(*a)->from, width_a)), width_a,
+ CHAR_CAST_BUG (const char *, value_str (&(*b)->from, width_b)), width_b);
}
static int
*c = case_unshare (*c);
for (i = 0; i < arc->n_specs; i++)
{
- struct arc_spec *spec = &arc->specs[i];
+ const struct arc_spec *spec = &arc->specs[i];
int width = var_get_width (spec->src);
const union value *value = case_data (*c, spec->src);
- struct arc_item *item;
+ const struct arc_item *item = find_arc_item (spec, value, value_hash (value, width, 0));
- item = find_arc_item (spec, value, value_hash (value, width, 0));
case_data_rw (*c, spec->dst)->f = item ? item->to : SYSMIS;
}
projects / pspp / blobdiff