/* Performs DELETE VARIABLES command. */
int
cmd_delete_variables (struct lexer *lexer, struct dataset *ds)
{
struct variable **vars;
size_t var_cnt;
bool ok;
if (proc_make_temporary_transformations_permanent (ds))
msg (SE, _("DELETE VARIABLES may not be used after TEMPORARY. "
"Temporary transformations will be made permanent."));
if (!parse_variables (lexer, dataset_dict (ds), &vars, &var_cnt, PV_NONE))
goto error;
if (var_cnt == dict_get_var_cnt (dataset_dict (ds)))
{
msg (SE, _("DELETE VARIABLES may not be used to delete all variables "
"from the active dataset dictionary. "
"Use NEW FILE instead."));
goto error;
}
ok = casereader_destroy (proc_open (ds));
ok = proc_commit (ds) && ok;
if (!ok)
goto error;
dict_delete_vars (dataset_dict (ds), vars, var_cnt);
free (vars);
return CMD_SUCCESS;
error:
free (vars);
return CMD_CASCADING_FAILURE;
}
static bool
run_reliability (struct dataset *ds, const struct reliability *reliability)
{
struct dictionary *dict = dataset_dict (ds);
bool ok;
struct casereader *group;
struct casegrouper *grouper = casegrouper_create_splits (proc_open (ds), dict);
while (casegrouper_get_next_group (grouper, &group))
{
do_reliability (group, ds, reliability);
reliability_statistics (reliability);
if (reliability->summary & SUMMARY_TOTAL )
reliability_summary_total (reliability);
}
ok = casegrouper_destroy (grouper);
ok = proc_commit (ds) && ok;
return ok;
}
int
cmd_variable_labels (struct lexer *lexer, struct dataset *ds)
{
struct dictionary *dict = dataset_dict (ds);
do
{
struct variable **v;
size_t nv;
size_t i;
if (!parse_variables (lexer, dict, &v, &nv, PV_NONE))
return CMD_FAILURE;
if (!lex_force_string (lexer))
{
free (v);
return CMD_FAILURE;
}
for (i = 0; i < nv; i++)
var_set_label (v[i], lex_tokcstr (lexer));
lex_get (lexer);
while (lex_token (lexer) == T_SLASH)
lex_get (lexer);
free (v);
}
while (lex_token (lexer) != T_ENDCMD);
return CMD_SUCCESS;
}
int
cmd_split_file (struct lexer *lexer, struct dataset *ds)
{
if (lex_match_id (lexer, "OFF"))
dict_set_split_vars (dataset_dict (ds), NULL, 0);
else
{
struct variable **v;
size_t n;
/* For now, ignore SEPARATE and LAYERED. */
(void) ( lex_match_id (lexer, "SEPARATE") || lex_match_id (lexer, "LAYERED") );
lex_match (lexer, T_BY);
if (!parse_variables (lexer, dataset_dict (ds), &v, &n, PV_NO_DUPLICATE))
return CMD_CASCADING_FAILURE;
dict_set_split_vars (dataset_dict (ds), v, n);
free (v);
}
return CMD_SUCCESS;
}
int
cmd_do_repeat (struct lexer *lexer, struct dataset *ds)
{
struct hmap dummies;
bool ok;
if (!parse_specification (lexer, dataset_dict (ds), &dummies))
return CMD_CASCADING_FAILURE;
ok = parse_commands (lexer, &dummies);
destroy_dummies (&dummies);
return ok ? CMD_SUCCESS : CMD_CASCADING_FAILURE;
}
/* Parses the LEAVE command. */
int
cmd_leave (struct lexer *lexer, struct dataset *ds)
{
struct variable **v;
size_t nv;
size_t i;
if (!parse_variables (lexer, dataset_dict (ds), &v, &nv, PV_NONE))
return CMD_CASCADING_FAILURE;
for (i = 0; i < nv; i++)
var_set_leave (v[i], true);
free (v);
return CMD_SUCCESS;
}
/* Dumps out the values of all the split variables for the case C. */
void
output_split_file_values (const struct dataset *ds, const struct ccase *c)
{
const struct dictionary *dict = dataset_dict (ds);
const struct variable *const *split;
struct tab_table *t;
size_t split_cnt;
int i;
split_cnt = dict_get_split_cnt (dict);
if (split_cnt == 0)
return;
t = tab_create (3, split_cnt + 1);
tab_vline (t, TAL_GAP, 1, 0, split_cnt);
tab_vline (t, TAL_GAP, 2, 0, split_cnt);
tab_text (t, 0, 0, TAB_NONE, _("Variable"));
tab_text (t, 1, 0, TAB_LEFT, _("Value"));
tab_text (t, 2, 0, TAB_LEFT, _("Label"));
split = dict_get_split_vars (dict);
for (i = 0; i < split_cnt; i++)
{
const struct variable *v = split[i];
char *s;
const char *val_lab;
const struct fmt_spec *print = var_get_print_format (v);
tab_text_format (t, 0, i + 1, TAB_LEFT, "%s", var_get_name (v));
s = data_out (case_data (c, v), dict_get_encoding (dict), print);
tab_text_format (t, 1, i + 1, 0, "%.*s", print->w, s);
free (s);
val_lab = var_lookup_value_label (v, case_data (c, v));
if (val_lab)
tab_text (t, 2, i + 1, TAB_LEFT, val_lab);
}
tab_submit (t);
}
/* Parses the STRING command. */
int
cmd_string (struct lexer *lexer, struct dataset *ds)
{
size_t i;
/* Names of variables to create. */
char **v;
size_t nv;
/* Format spec for variables to create. */
struct fmt_spec f;
/* Width of variables to create. */
int width;
do
{
if (!parse_DATA_LIST_vars (lexer, dataset_dict (ds),
&v, &nv, PV_NO_DUPLICATE))
return CMD_FAILURE;
if (!lex_force_match (lexer, T_LPAREN)
|| !parse_format_specifier (lexer, &f)
|| !lex_force_match (lexer, T_RPAREN))
goto fail;
if (!fmt_is_string (f.type))
{
char str[FMT_STRING_LEN_MAX + 1];
msg (SE, _("Format type %s may not be used with a string "
"variable."), fmt_to_string (&f, str));
goto fail;
}
if (!fmt_check_output (&f))
goto fail;
width = fmt_var_width (&f);
/* Create each variable. */
for (i = 0; i < nv; i++)
{
struct variable *new_var = dict_create_var (dataset_dict (ds), v[i],
width);
if (!new_var)
msg (SE, _("There is already a variable named %s."), v[i]);
else
var_set_both_formats (new_var, &f);
}
/* Clean up. */
for (i = 0; i < nv; i++)
free (v[i]);
free (v);
}
while (lex_match (lexer, T_SLASH));
return CMD_SUCCESS;
/* If we have an error at a point where cleanup is required,
flow-of-control comes here. */
fail:
for (i = 0; i < nv; i++)
free (v[i]);
free (v);
return CMD_FAILURE;
}
int
cmd_t_test (struct lexer *lexer, struct dataset *ds)
{
bool ok;
const struct dictionary *dict = dataset_dict (ds);
struct tt tt;
int mode_count = 0;
/* Variables pertaining to the paired mode */
const struct variable **v1 = NULL;
size_t n_v1;
const struct variable **v2 = NULL;
size_t n_v2;
size_t n_pairs = 0;
vp *pairs = NULL;
/* One sample mode */
double testval = SYSMIS;
/* Independent samples mode */
const struct variable *gvar;
union value gval0;
union value gval1;
bool cut = false;
tt.wv = dict_get_weight (dict);
tt.dict = dict;
tt.confidence = 0.95;
tt.exclude = MV_ANY;
tt.missing_type = MISS_ANALYSIS;
tt.n_vars = 0;
tt.vars = NULL;
tt.mode = MODE_undef;
lex_match (lexer, T_EQUALS);
for (; lex_token (lexer) != T_ENDCMD; )
{
lex_match (lexer, T_SLASH);
if (lex_match_id (lexer, "TESTVAL"))
{
mode_count++;
tt.mode = MODE_SINGLE;
lex_match (lexer, T_EQUALS);
lex_force_num (lexer);
testval = lex_number (lexer);
lex_get (lexer);
}
else if (lex_match_id (lexer, "GROUPS"))
{
mode_count++;
cut = false;
tt.mode = MODE_INDEP;
lex_match (lexer, T_EQUALS);
if (NULL == (gvar = parse_variable (lexer, dict)))
goto parse_failed;
if (lex_match (lexer, T_LPAREN))
{
value_init (&gval0, var_get_width (gvar));
parse_value (lexer, &gval0, gvar);
cut = true;
if (lex_match (lexer, T_COMMA))
{
value_init (&gval1, var_get_width (gvar));
parse_value (lexer, &gval1, gvar);
cut = false;
}
lex_force_match (lexer, T_RPAREN);
}
else
{
value_init (&gval0, 0);
value_init (&gval1, 0);
gval0.f = 1.0;
gval1.f = 2.0;
cut = false;
}
if ( cut == true && var_is_alpha (gvar))
{
msg (SE, _("When applying GROUPS to a string variable, two "
"values must be specified."));
goto parse_failed;
}
}
else if (lex_match_id (lexer, "PAIRS"))
{
bool with = false;
bool paired = false;
if (tt.n_vars > 0)
{
msg (SE, _("VARIABLES subcommand may not be used with PAIRS."));
goto parse_failed;
}
mode_count++;
tt.mode = MODE_PAIRED;
lex_match (lexer, T_EQUALS);
if (!parse_variables_const (lexer, dict,
&v1, &n_v1,
PV_NO_DUPLICATE | PV_NUMERIC))
goto parse_failed;
if ( lex_match (lexer, T_WITH))
{
with = true;
if (!parse_variables_const (lexer, dict,
&v2, &n_v2,
PV_NO_DUPLICATE | PV_NUMERIC))
goto parse_failed;
if (lex_match (lexer, T_LPAREN)
&& lex_match_id (lexer, "PAIRED")
&& lex_match (lexer, T_RPAREN))
{
paired = true;
if (n_v1 != n_v2)
{
msg (SE, _("PAIRED was specified but the number of variables "
"preceding WITH (%zu) did not match the number "
"following (%zu)."),
n_v1, n_v2);
goto parse_failed;
}
}
}
{
int i;
if ( !with )
n_pairs = (n_v1 * (n_v1 - 1)) / 2.0;
else if ( paired )
n_pairs = n_v1;
else
n_pairs = n_v1 * n_v2;
pairs = xcalloc (n_pairs, sizeof *pairs);
if ( with)
{
int x = 0;
if (paired)
{
for (i = 0 ; i < n_v1; ++i)
{
vp *pair = &pairs[i];
(*pair)[0] = v1[i];
(*pair)[1] = v2[i];
}
}
else
{
for (i = 0 ; i < n_v1; ++i)
{
int j;
for (j = 0 ; j < n_v2; ++j)
{
vp *pair = &pairs[x++];
(*pair)[0] = v1[i];
(*pair)[1] = v2[j];
}
}
}
}
else
{
int x = 0;
for (i = 0 ; i < n_v1; ++i)
{
int j;
for (j = i + 1 ; j < n_v1; ++j)
{
vp *pair = &pairs[x++];
(*pair)[0] = v1[i];
(*pair)[1] = v1[j];
}
}
}
}
}
else if (lex_match_id (lexer, "VARIABLES"))
{
if ( tt.mode == MODE_PAIRED)
{
msg (SE, _("VARIABLES subcommand may not be used with PAIRS."));
goto parse_failed;
}
lex_match (lexer, T_EQUALS);
if (!parse_variables_const (lexer, dict,
&tt.vars,
&tt.n_vars,
PV_NO_DUPLICATE | PV_NUMERIC))
goto parse_failed;
}
else if ( lex_match_id (lexer, "MISSING"))
{
lex_match (lexer, T_EQUALS);
while (lex_token (lexer) != T_ENDCMD && lex_token (lexer) != T_SLASH)
{
if (lex_match_id (lexer, "INCLUDE"))
{
tt.exclude = MV_SYSTEM;
}
else if (lex_match_id (lexer, "EXCLUDE"))
{
tt.exclude = MV_ANY;
}
else if (lex_match_id (lexer, "LISTWISE"))
{
tt.missing_type = MISS_LISTWISE;
}
else if (lex_match_id (lexer, "ANALYSIS"))
{
tt.missing_type = MISS_ANALYSIS;
}
else
{
lex_error (lexer, NULL);
goto parse_failed;
}
lex_match (lexer, T_COMMA);
}
}
else if (lex_match_id (lexer, "CRITERIA"))
{
lex_match (lexer, T_EQUALS);
if ( lex_force_match_id (lexer, "CIN"))
if ( lex_force_match (lexer, T_LPAREN))
{
lex_force_num (lexer);
tt.confidence = lex_number (lexer);
lex_get (lexer);
lex_force_match (lexer, T_RPAREN);
}
}
else
{
lex_error (lexer, NULL);
goto parse_failed;
}
}
if ( mode_count != 1)
{
msg (SE, _("Exactly one of TESTVAL, GROUPS and PAIRS subcommands "
"must be specified."));
goto parse_failed;
}
if (tt.n_vars == 0 && tt.mode != MODE_PAIRED)
{
lex_sbc_missing ("VARIABLES");
goto parse_failed;
}
/* Deal with splits etc */
{
struct casereader *group;
struct casegrouper *grouper = casegrouper_create_splits (proc_open (ds), dict);
while (casegrouper_get_next_group (grouper, &group))
{
if ( tt.mode == MODE_SINGLE)
{
if ( tt.missing_type == MISS_LISTWISE )
group = casereader_create_filter_missing (group,
tt.vars, tt.n_vars,
tt.exclude,
NULL, NULL);
one_sample_run (&tt, testval, group);
}
else if ( tt.mode == MODE_PAIRED)
{
if ( tt.missing_type == MISS_LISTWISE )
{
group = casereader_create_filter_missing (group,
v1, n_v1,
tt.exclude,
NULL, NULL);
group = casereader_create_filter_missing (group,
v2, n_v2,
tt.exclude,
NULL, NULL);
}
paired_run (&tt, n_pairs, pairs, group);
}
else /* tt.mode == MODE_INDEP */
{
if ( tt.missing_type == MISS_LISTWISE )
{
group = casereader_create_filter_missing (group,
tt.vars, tt.n_vars,
tt.exclude,
NULL, NULL);
group = casereader_create_filter_missing (group,
&gvar, 1,
tt.exclude,
NULL, NULL);
}
indep_run (&tt, gvar, cut, &gval0, &gval1, group);
}
}
ok = casegrouper_destroy (grouper);
ok = proc_commit (ds) && ok;
}
free (pairs);
free (v1);
free (v2);
free (tt.vars);
return ok ? CMD_SUCCESS : CMD_FAILURE;
parse_failed:
return CMD_FAILURE;
}
int
cmd_add_value_labels (struct lexer *lexer, struct dataset *ds)
{
return do_value_labels (lexer, dataset_dict (ds), false);
}
int
cmd_reliability (struct lexer *lexer, struct dataset *ds)
{
const struct dictionary *dict = dataset_dict (ds);
struct reliability reliability;
reliability.n_variables = 0;
reliability.variables = NULL;
reliability.model = MODEL_ALPHA;
reliability.exclude = MV_ANY;
reliability.summary = 0;
reliability.wv = dict_get_weight (dict);
reliability.total_start = 0;
lex_match (lexer, T_SLASH);
if (!lex_force_match_id (lexer, "VARIABLES"))
{
goto error;
}
lex_match (lexer, T_EQUALS);
if (!parse_variables_const (lexer, dict, &reliability.variables, &reliability.n_variables,
PV_NO_DUPLICATE | PV_NUMERIC))
goto error;
if (reliability.n_variables < 2)
msg (MW, _("Reliability on a single variable is not useful."));
{
int i;
struct cronbach *c;
/* Create a default Scale */
reliability.n_sc = 1;
reliability.sc = xzalloc (sizeof (struct cronbach) * reliability.n_sc);
ds_init_cstr (&reliability.scale_name, "ANY");
c = &reliability.sc[0];
c->n_items = reliability.n_variables;
c->items = xzalloc (sizeof (struct variable*) * c->n_items);
for (i = 0 ; i < c->n_items ; ++i)
c->items[i] = reliability.variables[i];
}
while (lex_token (lexer) != T_ENDCMD)
{
lex_match (lexer, T_SLASH);
if (lex_match_id (lexer, "SCALE"))
{
struct const_var_set *vs;
if ( ! lex_force_match (lexer, T_LPAREN))
goto error;
if ( ! lex_force_string (lexer) )
goto error;
ds_init_substring (&reliability.scale_name, lex_tokss (lexer));
lex_get (lexer);
if ( ! lex_force_match (lexer, T_RPAREN))
goto error;
lex_match (lexer, T_EQUALS);
vs = const_var_set_create_from_array (reliability.variables, reliability.n_variables);
if (!parse_const_var_set_vars (lexer, vs, &reliability.sc->items, &reliability.sc->n_items, 0))
{
const_var_set_destroy (vs);
goto error;
}
const_var_set_destroy (vs);
}
else if (lex_match_id (lexer, "MODEL"))
{
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "ALPHA"))
{
reliability.model = MODEL_ALPHA;
}
else if (lex_match_id (lexer, "SPLIT"))
{
reliability.model = MODEL_SPLIT;
reliability.split_point = -1;
if ( lex_match (lexer, T_LPAREN))
{
lex_force_num (lexer);
reliability.split_point = lex_number (lexer);
lex_get (lexer);
lex_force_match (lexer, T_RPAREN);
}
}
else
goto error;
}
else if (lex_match_id (lexer, "SUMMARY"))
{
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "TOTAL"))
{
reliability.summary |= SUMMARY_TOTAL;
}
else if (lex_match (lexer, T_ALL))
{
reliability.summary = 0xFFFF;
}
else
goto error;
}
else if (lex_match_id (lexer, "MISSING"))
{
lex_match (lexer, T_EQUALS);
while (lex_token (lexer) != T_ENDCMD && lex_token (lexer) != T_SLASH)
{
if (lex_match_id (lexer, "INCLUDE"))
{
reliability.exclude = MV_SYSTEM;
}
else if (lex_match_id (lexer, "EXCLUDE"))
{
reliability.exclude = MV_ANY;
}
else
{
lex_error (lexer, NULL);
goto error;
}
}
}
else
{
lex_error (lexer, NULL);
goto error;
}
}
if ( reliability.model == MODEL_SPLIT)
{
int i;
const struct cronbach *s;
if ( reliability.split_point >= reliability.n_variables)
{
msg (ME, _("The split point must be less than the number of variables"));
goto error;
}
reliability.n_sc += 2 ;
reliability.sc = xrealloc (reliability.sc, sizeof (struct cronbach) * reliability.n_sc);
s = &reliability.sc[0];
reliability.sc[1].n_items =
(reliability.split_point == -1) ? s->n_items / 2 : reliability.split_point;
reliability.sc[2].n_items = s->n_items - reliability.sc[1].n_items;
reliability.sc[1].items = xzalloc (sizeof (struct variable *)
* reliability.sc[1].n_items);
reliability.sc[2].items = xzalloc (sizeof (struct variable *) *
reliability.sc[2].n_items);
for (i = 0; i < reliability.sc[1].n_items ; ++i)
reliability.sc[1].items[i] = s->items[i];
while (i < s->n_items)
{
reliability.sc[2].items[i - reliability.sc[1].n_items] = s->items[i];
i++;
}
}
if ( reliability.summary & SUMMARY_TOTAL)
{
int i;
const int base_sc = reliability.n_sc;
reliability.total_start = base_sc;
reliability.n_sc += reliability.sc[0].n_items ;
reliability.sc = xrealloc (reliability.sc, sizeof (struct cronbach) * reliability.n_sc);
for (i = 0 ; i < reliability.sc[0].n_items; ++i )
{
int v_src;
int v_dest = 0;
struct cronbach *s = &reliability.sc[i + base_sc];
s->n_items = reliability.sc[0].n_items - 1;
s->items = xzalloc (sizeof (struct variable *) * s->n_items);
for (v_src = 0 ; v_src < reliability.sc[0].n_items ; ++v_src)
{
if ( v_src != i)
s->items[v_dest++] = reliability.sc[0].items[v_src];
}
}
}
if ( ! run_reliability (ds, &reliability))
goto error;
free (reliability.variables);
return CMD_SUCCESS;
error:
free (reliability.variables);
return CMD_FAILURE;
}
int
cmd_save_translate (struct lexer *lexer, struct dataset *ds)
{
enum { CSV_FILE = 1, TAB_FILE } type;
struct dictionary *dict;
struct case_map *map;
struct casewriter *writer;
struct file_handle *handle;
struct csv_writer_options csv_opts;
bool replace;
bool retain_unselected;
bool recode_user_missing;
bool include_var_names;
bool use_value_labels;
bool use_print_formats;
char decimal;
char delimiter;
char qualifier;
bool ok;
type = 0;
dict = dict_clone (dataset_dict (ds));
map = NULL;
handle = NULL;
replace = false;
retain_unselected = true;
recode_user_missing = false;
include_var_names = false;
use_value_labels = false;
use_print_formats = false;
decimal = settings_get_decimal_char (FMT_F);
delimiter = 0;
qualifier = '"';
case_map_prepare_dict (dict);
dict_delete_scratch_vars (dict);
while (lex_match (lexer, T_SLASH))
{
if (lex_match_id (lexer, "OUTFILE"))
{
if (handle != NULL)
{
lex_sbc_only_once ("OUTFILE");
goto error;
}
lex_match (lexer, T_EQUALS);
handle = fh_parse (lexer, FH_REF_FILE, NULL);
if (handle == NULL)
goto error;
}
else if (lex_match_id (lexer, "TYPE"))
{
if (type != 0)
{
lex_sbc_only_once ("TYPE");
goto error;
}
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "CSV"))
type = CSV_FILE;
else if (lex_match_id (lexer, "TAB"))
type = TAB_FILE;
else
{
lex_error_expecting (lexer, "CSV", "TAB", NULL_SENTINEL);
goto error;
}
}
else if (lex_match_id (lexer, "REPLACE"))
replace = true;
else if (lex_match_id (lexer, "FIELDNAMES"))
include_var_names = true;
else if (lex_match_id (lexer, "MISSING"))
{
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "IGNORE"))
recode_user_missing = false;
else if (lex_match_id (lexer, "RECODE"))
recode_user_missing = true;
else
{
lex_error_expecting (lexer, "IGNORE", "RECODE", NULL_SENTINEL);
goto error;
}
}
else if (lex_match_id (lexer, "CELLS"))
{
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "VALUES"))
use_value_labels = false;
else if (lex_match_id (lexer, "LABELS"))
use_value_labels = true;
else
{
lex_error_expecting (lexer, "VALUES", "LABELS", NULL_SENTINEL);
goto error;
}
}
else if (lex_match_id (lexer, "TEXTOPTIONS"))
{
lex_match (lexer, T_EQUALS);
for (;;)
{
if (lex_match_id (lexer, "DELIMITER"))
{
lex_match (lexer, T_EQUALS);
if (!lex_force_string (lexer))
goto error;
/* XXX should support multibyte UTF-8 delimiters */
if (ss_length (lex_tokss (lexer)) != 1)
{
msg (SE, _("The %s string must contain exactly one "
"character."), "DELIMITER");
goto error;
}
delimiter = ss_first (lex_tokss (lexer));
lex_get (lexer);
}
else if (lex_match_id (lexer, "QUALIFIER"))
{
lex_match (lexer, T_EQUALS);
if (!lex_force_string (lexer))
goto error;
/* XXX should support multibyte UTF-8 qualifiers */
if (ss_length (lex_tokss (lexer)) != 1)
{
msg (SE, _("The %s string must contain exactly one "
"character."), "QUALIFIER");
goto error;
}
qualifier = ss_first (lex_tokss (lexer));
lex_get (lexer);
}
else if (lex_match_id (lexer, "DECIMAL"))
{
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "DOT"))
decimal = '.';
else if (lex_match_id (lexer, "COMMA"))
decimal = ',';
else
{
lex_error_expecting (lexer, "DOT", "COMMA",
NULL_SENTINEL);
goto error;
}
}
else if (lex_match_id (lexer, "FORMAT"))
{
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "PLAIN"))
use_print_formats = false;
else if (lex_match_id (lexer, "VARIABLE"))
use_print_formats = true;
else
{
lex_error_expecting (lexer, "PLAIN", "VARIABLE",
NULL_SENTINEL);
goto error;
}
}
else
break;
}
}
else if (lex_match_id (lexer, "UNSELECTED"))
{
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "RETAIN"))
retain_unselected = true;
else if (lex_match_id (lexer, "DELETE"))
retain_unselected = false;
else
{
lex_error_expecting (lexer, "RETAIN", "DELETE", NULL_SENTINEL);
goto error;
}
}
else if (!parse_dict_trim (lexer, dict))
goto error;
}
if (lex_end_of_command (lexer) != CMD_SUCCESS)
goto error;
if (type == 0)
{
lex_sbc_missing ("TYPE");
goto error;
}
else if (handle == NULL)
{
lex_sbc_missing ("OUTFILE");
goto error;
}
else if (!replace && fn_exists (fh_get_file_name (handle)))
{
msg (SE, _("Output file `%s' exists but REPLACE was not specified."),
fh_get_file_name (handle));
goto error;
}
dict_delete_scratch_vars (dict);
dict_compact_values (dict);
csv_opts.recode_user_missing = recode_user_missing;
csv_opts.include_var_names = include_var_names;
csv_opts.use_value_labels = use_value_labels;
csv_opts.use_print_formats = use_print_formats;
csv_opts.decimal = decimal;
csv_opts.delimiter = (delimiter ? delimiter
: type == TAB_FILE ? '\t'
: decimal == '.' ? ','
: ';');
csv_opts.qualifier = qualifier;
writer = csv_writer_open (handle, dict, &csv_opts);
if (writer == NULL)
goto error;
fh_unref (handle);
map = case_map_from_dict (dict);
if (map != NULL)
writer = case_map_create_output_translator (map, writer);
dict_destroy (dict);
casereader_transfer (proc_open_filtering (ds, !retain_unselected), writer);
ok = casewriter_destroy (writer);
ok = proc_commit (ds) && ok;
return ok ? CMD_SUCCESS : CMD_CASCADING_FAILURE;
error:
fh_unref (handle);
dict_destroy (dict);
case_map_destroy (map);
return CMD_FAILURE;
}
static int
combine_files (enum comb_command_type command,
struct lexer *lexer, struct dataset *ds)
{
struct comb_proc proc;
bool saw_by = false;
bool saw_sort = false;
struct casereader *active_file = NULL;
char *first_name = NULL;
char *last_name = NULL;
struct taint *taint = NULL;
size_t n_tables = 0;
size_t allocated_files = 0;
size_t i;
proc.files = NULL;
proc.n_files = 0;
proc.dict = dict_create (get_default_encoding ());
proc.output = NULL;
proc.matcher = NULL;
subcase_init_empty (&proc.by_vars);
proc.first = NULL;
proc.last = NULL;
proc.buffered_case = NULL;
proc.prev_BY = NULL;
dict_set_case_limit (proc.dict, dict_get_case_limit (dataset_dict (ds)));
lex_match (lexer, T_SLASH);
for (;;)
{
struct comb_file *file;
enum comb_file_type type;
if (lex_match_id (lexer, "FILE"))
type = COMB_FILE;
else if (command == COMB_MATCH && lex_match_id (lexer, "TABLE"))
{
type = COMB_TABLE;
n_tables++;
}
else
break;
lex_match (lexer, T_EQUALS);
if (proc.n_files >= allocated_files)
proc.files = x2nrealloc (proc.files, &allocated_files,
sizeof *proc.files);
file = &proc.files[proc.n_files++];
file->type = type;
subcase_init_empty (&file->by_vars);
subcase_init_empty (&file->src);
subcase_init_empty (&file->dst);
file->mv = NULL;
file->handle = NULL;
file->dict = NULL;
file->reader = NULL;
file->data = NULL;
file->is_sorted = true;
file->in_name = NULL;
file->in_var = NULL;
if (lex_match (lexer, T_ASTERISK))
{
if (!dataset_has_source (ds))
{
msg (SE, _("Cannot specify the active dataset since none "
"has been defined."));
goto error;
}
if (proc_make_temporary_transformations_permanent (ds))
msg (SE, _("This command may not be used after TEMPORARY when "
"the active dataset is an input source. "
"Temporary transformations will be made permanent."));
file->dict = dict_clone (dataset_dict (ds));
}
else
{
file->handle = fh_parse (lexer, FH_REF_FILE, dataset_session (ds));
if (file->handle == NULL)
goto error;
file->reader = any_reader_open (file->handle, NULL, &file->dict);
if (file->reader == NULL)
goto error;
}
while (lex_match (lexer, T_SLASH))
if (lex_match_id (lexer, "RENAME"))
{
if (!parse_dict_rename (lexer, file->dict))
goto error;
}
else if (lex_match_id (lexer, "IN"))
{
lex_match (lexer, T_EQUALS);
if (lex_token (lexer) != T_ID)
{
lex_error (lexer, NULL);
goto error;
}
if (file->in_name)
{
msg (SE, _("Multiple IN subcommands for a single FILE or "
"TABLE."));
goto error;
}
file->in_name = xstrdup (lex_tokcstr (lexer));
lex_get (lexer);
}
else if (lex_match_id (lexer, "SORT"))
{
file->is_sorted = false;
saw_sort = true;
}
if (!merge_dictionary (proc.dict, file))
goto error;
}
while (lex_token (lexer) != T_ENDCMD)
{
if (lex_match (lexer, T_BY))
{
const struct variable **by_vars;
size_t i;
bool ok;
if (saw_by)
{
lex_sbc_only_once ("BY");
goto error;
}
saw_by = true;
lex_match (lexer, T_EQUALS);
if (!parse_sort_criteria (lexer, proc.dict, &proc.by_vars,
&by_vars, NULL))
goto error;
ok = true;
for (i = 0; i < proc.n_files; i++)
{
struct comb_file *file = &proc.files[i];
size_t j;
for (j = 0; j < subcase_get_n_fields (&proc.by_vars); j++)
{
const char *name = var_get_name (by_vars[j]);
struct variable *var = dict_lookup_var (file->dict, name);
if (var != NULL)
subcase_add_var (&file->by_vars, var,
subcase_get_direction (&proc.by_vars, j));
else
{
if (file->handle != NULL)
msg (SE, _("File %s lacks BY variable %s."),
fh_get_name (file->handle), name);
else
msg (SE, _("Active dataset lacks BY variable %s."),
name);
ok = false;
}
}
assert (!ok || subcase_conformable (&file->by_vars,
&proc.files[0].by_vars));
}
free (by_vars);
if (!ok)
goto error;
}
else if (command != COMB_UPDATE && lex_match_id (lexer, "FIRST"))
{
if (first_name != NULL)
{
lex_sbc_only_once ("FIRST");
goto error;
}
lex_match (lexer, T_EQUALS);
if (!lex_force_id (lexer))
goto error;
first_name = xstrdup (lex_tokcstr (lexer));
lex_get (lexer);
}
else if (command != COMB_UPDATE && lex_match_id (lexer, "LAST"))
{
if (last_name != NULL)
{
lex_sbc_only_once ("LAST");
goto error;
}
lex_match (lexer, T_EQUALS);
if (!lex_force_id (lexer))
goto error;
last_name = xstrdup (lex_tokcstr (lexer));
lex_get (lexer);
}
else if (lex_match_id (lexer, "MAP"))
{
/* FIXME. */
}
else if (lex_match_id (lexer, "DROP"))
{
if (!parse_dict_drop (lexer, proc.dict))
goto error;
}
else if (lex_match_id (lexer, "KEEP"))
{
if (!parse_dict_keep (lexer, proc.dict))
goto error;
}
else
{
lex_error (lexer, NULL);
goto error;
}
if (!lex_match (lexer, T_SLASH) && lex_token (lexer) != T_ENDCMD)
{
lex_end_of_command (lexer);
goto error;
}
}
if (!saw_by)
{
if (command == COMB_UPDATE)
{
lex_sbc_missing ("BY");
goto error;
}
if (n_tables)
{
msg (SE, _("BY is required when %s is specified."), "TABLE");
goto error;
}
if (saw_sort)
{
msg (SE, _("BY is required when %s is specified."), "SORT");
goto error;
}
}
/* Add IN, FIRST, and LAST variables to master dictionary. */
for (i = 0; i < proc.n_files; i++)
{
struct comb_file *file = &proc.files[i];
if (!create_flag_var ("IN", file->in_name, proc.dict, &file->in_var))
goto error;
}
if (!create_flag_var ("FIRST", first_name, proc.dict, &proc.first)
|| !create_flag_var ("LAST", last_name, proc.dict, &proc.last))
goto error;
dict_delete_scratch_vars (proc.dict);
dict_compact_values (proc.dict);
/* Set up mapping from each file's variables to master
variables. */
for (i = 0; i < proc.n_files; i++)
{
struct comb_file *file = &proc.files[i];
size_t src_var_cnt = dict_get_var_cnt (file->dict);
size_t j;
file->mv = xnmalloc (src_var_cnt, sizeof *file->mv);
for (j = 0; j < src_var_cnt; j++)
{
struct variable *src_var = dict_get_var (file->dict, j);
struct variable *dst_var = dict_lookup_var (proc.dict,
var_get_name (src_var));
if (dst_var != NULL)
{
size_t n = subcase_get_n_fields (&file->src);
file->mv[n] = var_get_missing_values (src_var);
subcase_add_var (&file->src, src_var, SC_ASCEND);
subcase_add_var (&file->dst, dst_var, SC_ASCEND);
}
}
}
proc.output = autopaging_writer_create (dict_get_proto (proc.dict));
taint = taint_clone (casewriter_get_taint (proc.output));
/* Set up case matcher. */
proc.matcher = case_matcher_create ();
for (i = 0; i < proc.n_files; i++)
{
struct comb_file *file = &proc.files[i];
if (file->reader == NULL)
{
if (active_file == NULL)
{
proc_discard_output (ds);
file->reader = active_file = proc_open_filtering (ds, false);
}
else
file->reader = casereader_clone (active_file);
}
if (!file->is_sorted)
file->reader = sort_execute (file->reader, &file->by_vars);
taint_propagate (casereader_get_taint (file->reader), taint);
file->data = casereader_read (file->reader);
if (file->type == COMB_FILE)
case_matcher_add_input (proc.matcher, &file->by_vars,
&file->data, &file->is_minimal);
}
if (command == COMB_ADD)
execute_add_files (&proc);
else if (command == COMB_MATCH)
execute_match_files (&proc);
else if (command == COMB_UPDATE)
execute_update (&proc);
else
NOT_REACHED ();
case_matcher_destroy (proc.matcher);
proc.matcher = NULL;
close_all_comb_files (&proc);
if (active_file != NULL)
proc_commit (ds);
dataset_set_dict (ds, proc.dict);
dataset_set_source (ds, casewriter_make_reader (proc.output));
proc.dict = NULL;
proc.output = NULL;
free_comb_proc (&proc);
free (first_name);
free (last_name);
return taint_destroy (taint) ? CMD_SUCCESS : CMD_CASCADING_FAILURE;
error:
if (active_file != NULL)
proc_commit (ds);
free_comb_proc (&proc);
taint_destroy (taint);
free (first_name);
free (last_name);
return CMD_CASCADING_FAILURE;
}
/* Parses the NUMERIC command. */
int
cmd_numeric (struct lexer *lexer, struct dataset *ds)
{
size_t i;
/* Names of variables to create. */
char **v;
size_t nv;
do
{
/* Format spec for variables to create. f.type==-1 if default is to
be used. */
struct fmt_spec f;
if (!parse_DATA_LIST_vars (lexer, dataset_dict (ds),
&v, &nv, PV_NO_DUPLICATE))
return CMD_FAILURE;
/* Get the optional format specification. */
if (lex_match (lexer, T_LPAREN))
{
if (!parse_format_specifier (lexer, &f))
goto fail;
if ( ! fmt_check_output (&f))
goto fail;
if (fmt_is_string (f.type))
{
char str[FMT_STRING_LEN_MAX + 1];
msg (SE, _("Format type %s may not be used with a numeric "
"variable."), fmt_to_string (&f, str));
goto fail;
}
if (!lex_match (lexer, T_RPAREN))
{
lex_error_expecting (lexer, "`)'", NULL_SENTINEL);
goto fail;
}
}
else
f.type = -1;
/* Create each variable. */
for (i = 0; i < nv; i++)
{
struct variable *new_var = dict_create_var (dataset_dict (ds), v[i], 0);
if (!new_var)
msg (SE, _("There is already a variable named %s."), v[i]);
else
{
if (f.type != -1)
var_set_both_formats (new_var, &f);
}
}
/* Clean up. */
for (i = 0; i < nv; i++)
free (v[i]);
free (v);
}
while (lex_match (lexer, T_SLASH));
return CMD_SUCCESS;
/* If we have an error at a point where cleanup is required,
flow-of-control comes here. */
fail:
for (i = 0; i < nv; i++)
free (v[i]);
free (v);
return CMD_FAILURE;
}
void
sign_execute (const struct dataset *ds,
struct casereader *input,
enum mv_class exclude,
const struct npar_test *test,
bool exact UNUSED,
double timer UNUSED)
{
int i;
bool warn = true;
const struct dictionary *dict = dataset_dict (ds);
const struct two_sample_test *t2s = UP_CAST (test, const struct two_sample_test, parent);
struct ccase *c;
struct sign_test_params *stp = xcalloc (t2s->n_pairs, sizeof *stp);
struct casereader *r = input;
for (; (c = casereader_read (r)) != NULL; case_unref (c))
{
const double weight = dict_get_case_weight (dict, c, &warn);
for (i = 0 ; i < t2s->n_pairs; ++i )
{
variable_pair *vp = &t2s->pairs[i];
const union value *value0 = case_data (c, (*vp)[0]);
const union value *value1 = case_data (c, (*vp)[1]);
const double diff = value0->f - value1->f;
if (var_is_value_missing ((*vp)[0], value0, exclude))
continue;
if (var_is_value_missing ((*vp)[1], value1, exclude))
continue;
if ( diff > 0)
stp[i].pos += weight;
else if (diff < 0)
stp[i].neg += weight;
else
stp[i].ties += weight;
}
}
casereader_destroy (r);
for (i = 0 ; i < t2s->n_pairs; ++i )
{
int r = MIN (stp[i].pos, stp[i].neg);
stp[i].one_tailed_sig = gsl_cdf_binomial_P (r,
0.5,
stp[i].pos + stp[i].neg);
stp[i].point_prob = gsl_ran_binomial_pdf (r, 0.5,
stp[i].pos + stp[i].neg);
}
output_frequency_table (t2s, stp, dict);
output_statistics_table (t2s, stp);
free (stp);
}
int
cmd_input_program (struct lexer *lexer, struct dataset *ds)
{
struct input_program_pgm *inp;
bool saw_END_CASE = false;
dataset_clear (ds);
if (!lex_match (lexer, T_ENDCMD))
return lex_end_of_command (lexer);
inp = xmalloc (sizeof *inp);
inp->trns_chain = NULL;
inp->init = NULL;
inp->proto = NULL;
inside_input_program = true;
while (!lex_match_phrase (lexer, "END INPUT PROGRAM"))
{
enum cmd_result result;
result = cmd_parse_in_state (lexer, ds, CMD_STATE_INPUT_PROGRAM);
if (result == CMD_END_CASE)
{
emit_END_CASE (ds, inp);
saw_END_CASE = true;
}
else if (cmd_result_is_failure (result) && result != CMD_FAILURE)
{
if (result == CMD_EOF)
msg (SE, _("Unexpected end-of-file within INPUT PROGRAM."));
inside_input_program = false;
dataset_clear (ds);
destroy_input_program (inp);
return result;
}
}
if (!saw_END_CASE)
emit_END_CASE (ds, inp);
inside_input_program = false;
if (dict_get_next_value_idx (dataset_dict (ds)) == 0)
{
msg (SE, _("Input program did not create any variables."));
dataset_clear (ds);
destroy_input_program (inp);
return CMD_FAILURE;
}
inp->trns_chain = proc_capture_transformations (ds);
trns_chain_finalize (inp->trns_chain);
inp->restart = TRNS_CONTINUE;
/* Figure out how to initialize each input case. */
inp->init = caseinit_create ();
caseinit_mark_for_init (inp->init, dataset_dict (ds));
inp->proto = caseproto_ref (dict_get_proto (dataset_dict (ds)));
dataset_set_source (
ds, casereader_create_sequential (NULL, inp->proto, CASENUMBER_MAX,
&input_program_casereader_class, inp));
return CMD_SUCCESS;
}
static void
do_reliability (struct casereader *input, struct dataset *ds,
const struct reliability *rel)
{
int i;
int si;
struct ccase *c;
casenumber n_missing ;
casenumber n_valid = 0;
for (si = 0 ; si < rel->n_sc; ++si)
{
struct cronbach *s = &rel->sc[si];
s->m = xzalloc (sizeof (s->m) * s->n_items);
s->total = moments1_create (MOMENT_VARIANCE);
for (i = 0 ; i < s->n_items ; ++i )
s->m[i] = moments1_create (MOMENT_VARIANCE);
}
input = casereader_create_filter_missing (input,
rel->variables,
rel->n_variables,
rel->exclude,
&n_missing,
NULL);
for (si = 0 ; si < rel->n_sc; ++si)
{
struct cronbach *s = &rel->sc[si];
s->totals_idx = caseproto_get_n_widths (casereader_get_proto (input));
input =
casereader_create_append_numeric (input, append_sum,
s, NULL);
}
for (; (c = casereader_read (input)) != NULL; case_unref (c))
{
double weight = 1.0;
n_valid ++;
for (si = 0; si < rel->n_sc; ++si)
{
struct cronbach *s = &rel->sc[si];
for (i = 0 ; i < s->n_items ; ++i )
moments1_add (s->m[i], case_data (c, s->items[i])->f, weight);
moments1_add (s->total, case_data_idx (c, s->totals_idx)->f, weight);
}
}
casereader_destroy (input);
for (si = 0; si < rel->n_sc; ++si)
{
struct cronbach *s = &rel->sc[si];
s->sum_of_variances = 0;
for (i = 0 ; i < s->n_items ; ++i )
{
double weight, mean, variance;
moments1_calculate (s->m[i], &weight, &mean, &variance, NULL, NULL);
s->sum_of_variances += variance;
}
moments1_calculate (s->total, NULL, NULL, &s->variance_of_sums,
NULL, NULL);
s->alpha =
alpha (s->n_items, s->sum_of_variances, s->variance_of_sums);
}
text_item_submit (text_item_create_format (TEXT_ITEM_PARAGRAPH, _("Scale: %s"),
ds_cstr (&rel->scale_name)));
case_processing_summary (n_valid, n_missing, dataset_dict (ds));
}
/* Parses and executes the AGGREGATE procedure. */
int
cmd_aggregate (struct lexer *lexer, struct dataset *ds)
{
struct dictionary *dict = dataset_dict (ds);
struct agr_proc agr;
struct file_handle *out_file = NULL;
struct casereader *input = NULL, *group;
struct casegrouper *grouper;
struct casewriter *output = NULL;
bool copy_documents = false;
bool presorted = false;
bool saw_direction;
bool ok;
memset(&agr, 0 , sizeof (agr));
agr.missing = ITEMWISE;
agr.src_dict = dict;
subcase_init_empty (&agr.sort);
/* OUTFILE subcommand must be first. */
lex_match (lexer, T_SLASH);
if (!lex_force_match_id (lexer, "OUTFILE"))
goto error;
lex_match (lexer, T_EQUALS);
if (!lex_match (lexer, T_ASTERISK))
{
out_file = fh_parse (lexer, FH_REF_FILE, dataset_session (ds));
if (out_file == NULL)
goto error;
}
if (out_file == NULL && lex_match_id (lexer, "MODE"))
{
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "ADDVARIABLES"))
{
agr.add_variables = true;
/* presorted is assumed in ADDVARIABLES mode */
presorted = true;
}
else if (lex_match_id (lexer, "REPLACE"))
{
agr.add_variables = false;
}
else
goto error;
}
if ( agr.add_variables )
agr.dict = dict_clone (dict);
else
agr.dict = dict_create (dict_get_encoding (dict));
dict_set_label (agr.dict, dict_get_label (dict));
dict_set_documents (agr.dict, dict_get_documents (dict));
/* Read most of the subcommands. */
for (;;)
{
lex_match (lexer, T_SLASH);
if (lex_match_id (lexer, "MISSING"))
{
lex_match (lexer, T_EQUALS);
if (!lex_match_id (lexer, "COLUMNWISE"))
{
lex_error_expecting (lexer, "COLUMNWISE", NULL);
goto error;
}
agr.missing = COLUMNWISE;
}
else if (lex_match_id (lexer, "DOCUMENT"))
copy_documents = true;
else if (lex_match_id (lexer, "PRESORTED"))
presorted = true;
else if (lex_force_match_id (lexer, "BREAK"))
{
int i;
lex_match (lexer, T_EQUALS);
if (!parse_sort_criteria (lexer, dict, &agr.sort, &agr.break_vars,
&saw_direction))
goto error;
agr.break_var_cnt = subcase_get_n_fields (&agr.sort);
if (! agr.add_variables)
for (i = 0; i < agr.break_var_cnt; i++)
dict_clone_var_assert (agr.dict, agr.break_vars[i]);
/* BREAK must follow the options. */
break;
}
else
goto error;
}
if (presorted && saw_direction)
msg (SW, _("When PRESORTED is specified, specifying sorting directions "
"with (A) or (D) has no effect. Output data will be sorted "
"the same way as the input data."));
/* Read in the aggregate functions. */
lex_match (lexer, T_SLASH);
if (!parse_aggregate_functions (lexer, dict, &agr))
goto error;
/* Delete documents. */
if (!copy_documents)
dict_clear_documents (agr.dict);
/* Cancel SPLIT FILE. */
dict_set_split_vars (agr.dict, NULL, 0);
/* Initialize. */
agr.case_cnt = 0;
if (out_file == NULL)
{
/* The active dataset will be replaced by the aggregated data,
so TEMPORARY is moot. */
proc_cancel_temporary_transformations (ds);
proc_discard_output (ds);
output = autopaging_writer_create (dict_get_proto (agr.dict));
}
else
{
output = any_writer_open (out_file, agr.dict);
if (output == NULL)
goto error;
}
input = proc_open (ds);
if (!subcase_is_empty (&agr.sort) && !presorted)
{
input = sort_execute (input, &agr.sort);
subcase_clear (&agr.sort);
}
for (grouper = casegrouper_create_vars (input, agr.break_vars,
agr.break_var_cnt);
casegrouper_get_next_group (grouper, &group);
casereader_destroy (group))
{
struct casereader *placeholder = NULL;
struct ccase *c = casereader_peek (group, 0);
if (c == NULL)
{
casereader_destroy (group);
continue;
}
initialize_aggregate_info (&agr);
if ( agr.add_variables )
placeholder = casereader_clone (group);
{
struct ccase *cg;
for (; (cg = casereader_read (group)) != NULL; case_unref (cg))
accumulate_aggregate_info (&agr, cg);
}
if (agr.add_variables)
{
struct ccase *cg;
for (; (cg = casereader_read (placeholder)) != NULL; case_unref (cg))
dump_aggregate_info (&agr, output, cg);
casereader_destroy (placeholder);
}
else
{
dump_aggregate_info (&agr, output, c);
}
case_unref (c);
}
if (!casegrouper_destroy (grouper))
goto error;
if (!proc_commit (ds))
{
input = NULL;
goto error;
}
input = NULL;
if (out_file == NULL)
{
struct casereader *next_input = casewriter_make_reader (output);
if (next_input == NULL)
goto error;
dataset_set_dict (ds, agr.dict);
dataset_set_source (ds, next_input);
agr.dict = NULL;
}
else
{
ok = casewriter_destroy (output);
output = NULL;
if (!ok)
goto error;
}
agr_destroy (&agr);
fh_unref (out_file);
return CMD_SUCCESS;
error:
if (input != NULL)
proc_commit (ds);
casewriter_destroy (output);
agr_destroy (&agr);
fh_unref (out_file);
return CMD_CASCADING_FAILURE;
}
int
cmd_missing_values (struct lexer *lexer, struct dataset *ds)
{
struct dictionary *dict = dataset_dict (ds);
struct variable **v = NULL;
size_t nv;
bool ok = true;
while (lex_token (lexer) != T_ENDCMD)
{
size_t i;
if (!parse_variables (lexer, dict, &v, &nv, PV_NONE))
goto error;
if (!lex_force_match (lexer, T_LPAREN))
goto error;
for (i = 0; i < nv; i++)
var_clear_missing_values (v[i]);
if (!lex_match (lexer, T_RPAREN))
{
struct missing_values mv;
for (i = 0; i < nv; i++)
if (var_get_type (v[i]) != var_get_type (v[0]))
{
const struct variable *n = var_is_numeric (v[0]) ? v[0] : v[i];
const struct variable *s = var_is_numeric (v[0]) ? v[i] : v[0];
msg (SE, _("Cannot mix numeric variables (e.g. %s) and "
"string variables (e.g. %s) within a single list."),
var_get_name (n), var_get_name (s));
goto error;
}
if (var_is_numeric (v[0]))
{
mv_init (&mv, 0);
while (!lex_match (lexer, T_RPAREN))
{
enum fmt_type type = var_get_print_format (v[0])->type;
double x, y;
bool ok;
if (!parse_num_range (lexer, &x, &y, &type))
goto error;
ok = (x == y
? mv_add_num (&mv, x)
: mv_add_range (&mv, x, y));
if (!ok)
ok = false;
lex_match (lexer, T_COMMA);
}
}
else
{
mv_init (&mv, MV_MAX_STRING);
while (!lex_match (lexer, T_RPAREN))
{
uint8_t value[MV_MAX_STRING];
char *dict_mv;
size_t length;
if (!lex_force_string (lexer))
{
ok = false;
break;
}
dict_mv = recode_string (dict_get_encoding (dict), "UTF-8",
lex_tokcstr (lexer),
ss_length (lex_tokss (lexer)));
length = strlen (dict_mv);
if (length > MV_MAX_STRING)
{
/* XXX truncate graphemes not bytes */
msg (SE, _("Truncating missing value to maximum "
"acceptable length (%d bytes)."),
MV_MAX_STRING);
length = MV_MAX_STRING;
}
memset (value, ' ', MV_MAX_STRING);
memcpy (value, dict_mv, length);
free (dict_mv);
if (!mv_add_str (&mv, value))
ok = false;
lex_get (lexer);
lex_match (lexer, T_COMMA);
}
}
for (i = 0; i < nv; i++)
{
if (mv_is_resizable (&mv, var_get_width (v[i])))
var_set_missing_values (v[i], &mv);
else
{
msg (SE, _("Missing values provided are too long to assign "
"to variable of width %d."),
var_get_width (v[i]));
ok = false;
}
}
mv_destroy (&mv);
}
lex_match (lexer, T_SLASH);
free (v);
v = NULL;
}
free (v);
return ok ? CMD_SUCCESS : CMD_FAILURE;
error:
free (v);
return CMD_FAILURE;
}
/* Parses SAVE or XSAVE or EXPORT or XEXPORT command.
WRITER_TYPE identifies the type of file to write,
and COMMAND_TYPE identifies the type of command.
On success, returns a writer.
For procedures only, sets *RETAIN_UNSELECTED to true if cases
that would otherwise be excluded by FILTER or USE should be
included.
On failure, returns a null pointer. */
static struct casewriter *
parse_write_command (struct lexer *lexer, struct dataset *ds,
enum writer_type writer_type,
enum command_type command_type,
bool *retain_unselected)
{
/* Common data. */
struct file_handle *handle; /* Output file. */
struct dictionary *dict; /* Dictionary for output file. */
struct casewriter *writer; /* Writer. */
struct case_map *map; /* Map from input data to data for writer. */
/* Common options. */
bool print_map; /* Print map? TODO. */
bool print_short_names; /* Print long-to-short name map. TODO. */
struct sfm_write_options sysfile_opts;
struct pfm_write_options porfile_opts;
assert (writer_type == SYSFILE_WRITER || writer_type == PORFILE_WRITER);
assert (command_type == XFORM_CMD || command_type == PROC_CMD);
assert ((retain_unselected != NULL) == (command_type == PROC_CMD));
if (command_type == PROC_CMD)
*retain_unselected = true;
handle = NULL;
dict = dict_clone (dataset_dict (ds));
writer = NULL;
map = NULL;
print_map = false;
print_short_names = false;
sysfile_opts = sfm_writer_default_options ();
porfile_opts = pfm_writer_default_options ();
case_map_prepare_dict (dict);
dict_delete_scratch_vars (dict);
lex_match (lexer, T_SLASH);
for (;;)
{
if (lex_match_id (lexer, "OUTFILE"))
{
if (handle != NULL)
{
lex_sbc_only_once ("OUTFILE");
goto error;
}
lex_match (lexer, T_EQUALS);
handle = fh_parse (lexer, FH_REF_FILE, NULL);
if (handle == NULL)
goto error;
}
else if (lex_match_id (lexer, "NAMES"))
print_short_names = true;
else if (lex_match_id (lexer, "PERMISSIONS"))
{
bool cw;
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "READONLY"))
cw = false;
else if (lex_match_id (lexer, "WRITEABLE"))
cw = true;
else
{
lex_error_expecting (lexer, "READONLY", "WRITEABLE",
NULL_SENTINEL);
goto error;
}
sysfile_opts.create_writeable = porfile_opts.create_writeable = cw;
}
else if (command_type == PROC_CMD && lex_match_id (lexer, "UNSELECTED"))
{
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "RETAIN"))
*retain_unselected = true;
else if (lex_match_id (lexer, "DELETE"))
*retain_unselected = false;
else
{
lex_error_expecting (lexer, "RETAIN", "DELETE", NULL_SENTINEL);
goto error;
}
}
else if (writer_type == SYSFILE_WRITER
&& lex_match_id (lexer, "COMPRESSED"))
sysfile_opts.compress = true;
else if (writer_type == SYSFILE_WRITER
&& lex_match_id (lexer, "UNCOMPRESSED"))
sysfile_opts.compress = false;
else if (writer_type == SYSFILE_WRITER
&& lex_match_id (lexer, "VERSION"))
{
lex_match (lexer, T_EQUALS);
if (!lex_force_int (lexer))
goto error;
sysfile_opts.version = lex_integer (lexer);
lex_get (lexer);
}
else if (writer_type == PORFILE_WRITER && lex_match_id (lexer, "TYPE"))
{
lex_match (lexer, T_EQUALS);
if (lex_match_id (lexer, "COMMUNICATIONS"))
porfile_opts.type = PFM_COMM;
else if (lex_match_id (lexer, "TAPE"))
porfile_opts.type = PFM_TAPE;
else
{
lex_error_expecting (lexer, "COMM", "TAPE", NULL_SENTINEL);
goto error;
}
}
else if (writer_type == PORFILE_WRITER && lex_match_id (lexer, "DIGITS"))
{
lex_match (lexer, T_EQUALS);
if (!lex_force_int (lexer))
goto error;
porfile_opts.digits = lex_integer (lexer);
lex_get (lexer);
}
else if (!parse_dict_trim (lexer, dict))
goto error;
if (!lex_match (lexer, T_SLASH))
break;
}
if (lex_end_of_command (lexer) != CMD_SUCCESS)
goto error;
if (handle == NULL)
{
lex_sbc_missing ("OUTFILE");
goto error;
}
dict_delete_scratch_vars (dict);
dict_compact_values (dict);
if (fh_get_referent (handle) == FH_REF_FILE)
{
switch (writer_type)
{
case SYSFILE_WRITER:
writer = sfm_open_writer (handle, dict, sysfile_opts);
break;
case PORFILE_WRITER:
writer = pfm_open_writer (handle, dict, porfile_opts);
break;
}
}
else
writer = any_writer_open (handle, dict);
if (writer == NULL)
goto error;
map = case_map_from_dict (dict);
if (map != NULL)
writer = case_map_create_output_translator (map, writer);
dict_destroy (dict);
fh_unref (handle);
return writer;
error:
fh_unref (handle);
casewriter_destroy (writer);
dict_destroy (dict);
case_map_destroy (map);
return NULL;
}
