X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fdictionary.c;h=cee678e407878651360979f77b290e614968204d;hb=6999c6d125665923b52ae15cbad83d06c92a8875;hp=44504ed96525ec5c4af0eaffd82f5de2fe3634c1;hpb=24a954d1a4faa977d763421136881378f4dd092c;p=pspp-builds.git diff --git a/src/data/dictionary.c b/src/data/dictionary.c index 44504ed9..cee678e4 100644 --- a/src/data/dictionary.c +++ b/src/data/dictionary.c @@ -114,7 +114,10 @@ dict_clone (const struct dictionary *s) { struct variable *sv = s->var[i]; struct variable *dv = dict_clone_var_assert (d, sv, var_get_name (sv)); - var_set_short_name (dv, var_get_short_name (sv)); + size_t i; + + for (i = 0; i < var_get_short_name_cnt (sv); i++) + var_set_short_name (dv, i, var_get_short_name (sv, i)); } d->next_value_idx = s->next_value_idx; @@ -624,7 +627,7 @@ dict_rename_var (struct dictionary *d, struct variable *v, hsh_force_insert (d->name_tab, v); if (get_algorithm () == ENHANCED) - var_clear_short_name (v); + var_clear_short_names (v); if ( d->callbacks && d->callbacks->var_changed ) d->callbacks->var_changed (d, var_get_dict_index (v), d->cb_data); @@ -690,7 +693,7 @@ dict_rename_vars (struct dictionary *d, /* Clear short names. */ if (get_algorithm () == ENHANCED) for (i = 0; i < count; i++) - var_clear_short_name (vars[i]); + var_clear_short_names (vars[i]); pool_destroy (pool); return true; @@ -1282,133 +1285,6 @@ dict_clear_vectors (struct dictionary *d) d->vector_cnt = 0; } -/* Compares two strings. */ -static int -compare_strings (const void *a, const void *b, const void *aux UNUSED) -{ - return strcmp (a, b); -} - -/* Hashes a string. */ -static unsigned -hash_string (const void *s, const void *aux UNUSED) -{ - return hsh_hash_string (s); -} - - -/* Sets V's short name to BASE, followed by a suffix of the form - _A, _B, _C, ..., _AA, _AB, etc. according to the value of - SUFFIX_NUMBER. Truncates BASE as necessary to fit. */ -static void -set_var_short_name_suffix (struct variable *v, const char *base, - int suffix_number) -{ - char suffix[SHORT_NAME_LEN + 1]; - char short_name[SHORT_NAME_LEN + 1]; - char *start, *end; - int len, ofs; - - assert (v != NULL); - assert (suffix_number >= 0); - - /* Set base name. */ - var_set_short_name (v, base); - - /* Compose suffix. */ - start = end = suffix + sizeof suffix - 1; - *end = '\0'; - do - { - *--start = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"[suffix_number % 26]; - if (start <= suffix + 1) - msg (SE, _("Variable suffix too large.")); - suffix_number /= 26; - } - while (suffix_number > 0); - *--start = '_'; - - /* Append suffix to V's short name. */ - str_copy_trunc (short_name, sizeof short_name, base); - len = end - start; - if (len + strlen (short_name) > SHORT_NAME_LEN) - ofs = SHORT_NAME_LEN - len; - else - ofs = strlen (short_name); - strcpy (short_name + ofs, start); - - /* Set name. */ - var_set_short_name (v, short_name); -} - -/* Assigns a valid, unique short_name[] to each variable in D. - Each variable whose actual name is short has highest priority - for that short name. Otherwise, variables with an existing - short_name[] have the next highest priority for a given short - name; if it is already taken, then the variable is treated as - if short_name[] had been empty. Otherwise, long names are - truncated to form short names. If that causes conflicts, - variables are renamed as PREFIX_A, PREFIX_B, and so on. */ -void -dict_assign_short_names (struct dictionary *d) -{ - struct hsh_table *short_names; - size_t i; - - /* Give variables whose names are short the corresponding short - names, and clear short_names[] that conflict with a variable - name. */ - for (i = 0; i < d->var_cnt; i++) - { - struct variable *v = d->var[i]; - const char *short_name = var_get_short_name (v); - if (strlen (var_get_name (v)) <= SHORT_NAME_LEN) - var_set_short_name (v, var_get_name (v)); - else if (short_name != NULL && dict_lookup_var (d, short_name) != NULL) - var_clear_short_name (v); - } - - /* Each variable with an assigned short_name[] now gets it - unless there is a conflict. */ - short_names = hsh_create (d->var_cnt, compare_strings, hash_string, - NULL, NULL); - for (i = 0; i < d->var_cnt; i++) - { - struct variable *v = d->var[i]; - const char *name = var_get_short_name (v); - if (name != NULL && hsh_insert (short_names, (char *) name) != NULL) - var_clear_short_name (v); - } - - /* Now assign short names to remaining variables. */ - for (i = 0; i < d->var_cnt; i++) - { - struct variable *v = d->var[i]; - const char *name = var_get_short_name (v); - if (name == NULL) - { - /* Form initial short_name from the variable name, then - try _A, _B, ... _AA, _AB, etc., if needed.*/ - int trial = 0; - do - { - if (trial == 0) - var_set_short_name (v, var_get_name (v)); - else - set_var_short_name_suffix (v, var_get_name (v), trial - 1); - - trial++; - } - while (hsh_insert (short_names, (char *) var_get_short_name (v)) - != NULL); - } - } - - /* Get rid of hash table. */ - hsh_destroy (short_names); -} - - /* Called from variable.c to notify the dictionary that some property of the variable has changed */ void