struct attrset attributes;
};
\f
+
+static bool var_set_label_quiet (struct variable *v, const char *label, bool issue_warning);
+static void var_set_name_quiet (struct variable *v, const char *name);
+
/* Creates and returns a new variable with the given NAME and
WIDTH and other fields initialized to default values. The
variable is not added to a dictionary; for that, use
assert (width >= 0 && width <= MAX_STRING);
v = xzalloc (sizeof *v);
- var_set_name (v, name);
+ var_set_name_quiet (v, name);
v->width = width;
mv_init (&v->miss, width);
v->leave = var_must_leave (v);
return v;
}
-/* Creates and returns a clone of OLD_VAR. Most properties of
- the new variable are copied from OLD_VAR, except:
-
- - The variable's short name is not copied, because there is
- no reason to give a new variable with potentially a new
- name the same short name.
-
- - The new variable is not added to OLD_VAR's dictionary by
- default. Use dict_clone_var, instead, to do that.
-*/
-struct variable *
-var_clone (const struct variable *old_var)
-{
- struct variable *new_var = var_create (var_get_name (old_var),
- var_get_width (old_var));
-
- var_set_missing_values (new_var, var_get_missing_values (old_var));
- var_set_print_format (new_var, var_get_print_format (old_var));
- var_set_write_format (new_var, var_get_write_format (old_var));
- var_set_value_labels (new_var, var_get_value_labels (old_var));
- var_set_label (new_var, var_get_label (old_var), false);
- var_set_measure (new_var, var_get_measure (old_var));
- var_set_display_width (new_var, var_get_display_width (old_var));
- var_set_alignment (new_var, var_get_alignment (old_var));
- var_set_leave (new_var, var_get_leave (old_var));
- var_set_attributes (new_var, var_get_attributes (old_var));
-
- return new_var;
-}
-
/* Destroys variable V.
V must not belong to a dictionary. If it does, use
dict_delete_var instead. */
mv_destroy (&v->miss);
var_clear_short_names (v);
val_labs_destroy (v->val_labs);
- var_clear_label (v);
+ var_set_label_quiet (v, NULL, false);
attrset_destroy (var_get_attributes (v));
free (v->name);
ds_destroy (&v->name_and_label);
/* Sets V's name to NAME, a UTF-8 encoded string.
Do not use this function for a variable in a dictionary. Use
dict_rename_var instead. */
-void
-var_set_name (struct variable *v, const char *name)
+static void
+var_set_name_quiet (struct variable *v, const char *name)
{
assert (!var_has_vardict (v));
assert (id_is_plausible (name, false));
v->name = xstrdup (name);
ds_destroy (&v->name_and_label);
ds_init_empty (&v->name_and_label);
- dict_var_changed (v);
+}
+
+/* Sets V's name to NAME, a UTF-8 encoded string.
+ Do not use this function for a variable in a dictionary. Use
+ dict_rename_var instead. */
+void
+var_set_name (struct variable *v, const char *name)
+{
+ var_set_name_quiet (v, name);
+ dict_var_changed (v, VAR_TRAIT_NAME);
}
/* Returns VAR's dictionary class. */
width or at least resizable to V's width.
If MISS is null, then V's missing values, if any, are
cleared. */
-void
-var_set_missing_values (struct variable *v, const struct missing_values *miss)
+static void
+var_set_missing_values_quiet (struct variable *v, const struct missing_values *miss)
{
if (miss != NULL)
{
}
else
mv_clear (&v->miss);
+}
+/* Sets variable V's missing values to MISS, which must be of V's
+ width or at least resizable to V's width.
+ If MISS is null, then V's missing values, if any, are
+ cleared. */
+void
+var_set_missing_values (struct variable *v, const struct missing_values *miss)
+{
+ var_set_missing_values_quiet (v, miss);
dict_var_changed (v);
}
which must have a width equal to V's width or one that can be
changed to V's width.
If VLS is null, then V's value labels, if any, are removed. */
-void
-var_set_value_labels (struct variable *v, const struct val_labs *vls)
+static void
+var_set_value_labels_quiet (struct variable *v, const struct val_labs *vls)
{
val_labs_destroy (v->val_labs);
v->val_labs = NULL;
assert (val_labs_can_set_width (vls, v->width));
v->val_labs = val_labs_clone (vls);
val_labs_set_width (v->val_labs, v->width);
- dict_var_changed (v);
}
}
+
+/* Sets variable V's value labels to a copy of VLS,
+ which must have a width equal to V's width or one that can be
+ changed to V's width.
+ If VLS is null, then V's value labels, if any, are removed. */
+void
+var_set_value_labels (struct variable *v, const struct val_labs *vls)
+{
+ var_set_value_labels_quiet (v, vls);
+ dict_var_changed (v);
+}
+
+
/* Makes sure that V has a set of value labels,
by assigning one to it if necessary. */
static void
valid format specification for a variable of V's width
(ordinarily an output format, but input formats are not
rejected). */
-void
-var_set_print_format (struct variable *v, const struct fmt_spec *print)
+static void
+var_set_print_format_quiet (struct variable *v, const struct fmt_spec *print)
{
if (!fmt_equal (&v->print, print))
{
assert (fmt_check_width_compat (print, v->width));
v->print = *print;
- dict_var_changed (v);
}
}
+/* Sets V's print format specification to PRINT, which must be a
+ valid format specification for a variable of V's width
+ (ordinarily an output format, but input formats are not
+ rejected). */
+void
+var_set_print_format (struct variable *v, const struct fmt_spec *print)
+{
+ var_set_print_format_quiet (v, print);
+ dict_var_changed (v);
+}
+
/* Returns V's write format specification. */
const struct fmt_spec *
var_get_write_format (const struct variable *v)
valid format specification for a variable of V's width
(ordinarily an output format, but input formats are not
rejected). */
-void
-var_set_write_format (struct variable *v, const struct fmt_spec *write)
+static void
+var_set_write_format_quiet (struct variable *v, const struct fmt_spec *write)
{
if (!fmt_equal (&v->write, write))
{
assert (fmt_check_width_compat (write, v->width));
v->write = *write;
- dict_var_changed (v);
}
}
+/* Sets V's write format specification to WRITE, which must be a
+ valid format specification for a variable of V's width
+ (ordinarily an output format, but input formats are not
+ rejected). */
+void
+var_set_write_format (struct variable *v, const struct fmt_spec *write)
+{
+ var_set_write_format_quiet (v, write);
+ dict_var_changed (v);
+}
+
+
/* Sets V's print and write format specifications to FORMAT,
which must be a valid format specification for a variable of
V's width (ordinarily an output format, but input formats are
var_get_encoding()). If LABEL fits within this limit, this function returns
true. Otherwise, the variable label is set to a truncated value, this
function returns false and, if ISSUE_WARNING is true, issues a warning. */
-bool
-var_set_label (struct variable *v, const char *label, bool issue_warning)
+static bool
+var_set_label_quiet (struct variable *v, const char *label, bool issue_warning)
{
bool truncated = false;
ds_destroy (&v->name_and_label);
ds_init_empty (&v->name_and_label);
+ return truncated;
+}
+
+
+
+/* Sets V's variable label to UTF-8 encoded string LABEL, stripping off leading
+ and trailing white space. If LABEL is a null pointer or if LABEL is an
+ empty string (after stripping white space), then V's variable label (if any)
+ is removed.
+
+ Variable labels are limited to 255 bytes in V's encoding (as returned by
+ var_get_encoding()). If LABEL fits within this limit, this function returns
+ true. Otherwise, the variable label is set to a truncated value, this
+ function returns false and, if ISSUE_WARNING is true, issues a warning. */
+bool
+var_set_label (struct variable *v, const char *label, bool issue_warning)
+{
+ bool truncated = var_set_label_quiet (v, label, issue_warning);
+
dict_var_changed (v);
return truncated;
}
+
/* Removes any variable label from V. */
void
var_clear_label (struct variable *v)
}
/* Sets V's measurement level to MEASURE. */
-void
-var_set_measure (struct variable *v, enum measure measure)
+static void
+var_set_measure_quiet (struct variable *v, enum measure measure)
{
assert (measure_is_valid (measure));
v->measure = measure;
+}
+
+
+/* Sets V's measurement level to MEASURE. */
+void
+var_set_measure (struct variable *v, enum measure measure)
+{
+ var_set_measure_quiet (v, measure);
dict_var_changed (v);
}
+
/* Returns the default measurement level for a variable of the
given TYPE, as set by var_create. The return value can be
used to reset a variable's measurement level to the
}
/* Sets V's display width to DISPLAY_WIDTH. */
-void
-var_set_display_width (struct variable *v, int new_width)
+static void
+var_set_display_width_quiet (struct variable *v, int new_width)
{
if (v->display_width != new_width)
{
v->display_width = new_width;
dict_var_display_width_changed (v);
- dict_var_changed (v);
}
}
+void
+var_set_display_width (struct variable *v, int new_width)
+{
+ var_set_display_width_quiet (v, new_width);
+ dict_var_changed (v);
+}
+
+
/* Returns the default display width for a variable of the given
WIDTH, as set by var_create. The return value can be used to
reset a variable's display width to the default. */
}
/* Sets V's display alignment to ALIGNMENT. */
-void
-var_set_alignment (struct variable *v, enum alignment alignment)
+static void
+var_set_alignment_quiet (struct variable *v, enum alignment alignment)
{
assert (alignment_is_valid (alignment));
v->alignment = alignment;
+}
+
+/* Sets V's display alignment to ALIGNMENT. */
+void
+var_set_alignment (struct variable *v, enum alignment alignment)
+{
+ var_set_alignment_quiet (v, alignment);
dict_var_changed (v);
}
+
/* Returns the default display alignment for a variable of the
given TYPE, as set by var_create. The return value can be
used to reset a variable's display alignment to the default. */
}
/* Sets V's leave setting to LEAVE. */
-void
-var_set_leave (struct variable *v, bool leave)
+static void
+var_set_leave_quiet (struct variable *v, bool leave)
{
assert (leave || !var_must_leave (v));
v->leave = leave;
+}
+
+
+/* Sets V's leave setting to LEAVE. */
+void
+var_set_leave (struct variable *v, bool leave)
+{
+ var_set_leave_quiet (v, leave);
dict_var_changed (v);
}
+
/* Returns true if V must be left from case to case,
false if it can be set either way. */
bool
}
/* Replaces variable V's attributes set by a copy of ATTRS. */
-void
-var_set_attributes (struct variable *v, const struct attrset *attrs)
+static void
+var_set_attributes_quiet (struct variable *v, const struct attrset *attrs)
{
attrset_destroy (&v->attributes);
attrset_clone (&v->attributes, attrs);
}
+/* Replaces variable V's attributes set by a copy of ATTRS. */
+void
+var_set_attributes (struct variable *v, const struct attrset *attrs)
+{
+ var_set_attributes_quiet (v, attrs);
+ dict_var_changed (v);
+}
+
+
/* Returns true if V has any custom attributes, false if it has none. */
bool
var_has_attributes (const struct variable *v)
return attrset_count (&v->attributes) > 0;
}
\f
+
+/* Creates and returns a clone of OLD_VAR. Most properties of
+ the new variable are copied from OLD_VAR, except:
+
+ - The variable's short name is not copied, because there is
+ no reason to give a new variable with potentially a new
+ name the same short name.
+
+ - The new variable is not added to OLD_VAR's dictionary by
+ default. Use dict_clone_var, instead, to do that.
+*/
+struct variable *
+var_clone (const struct variable *old_var)
+{
+ struct variable *new_var = var_create (var_get_name (old_var),
+ var_get_width (old_var));
+
+ var_set_missing_values_quiet (new_var, var_get_missing_values (old_var));
+ var_set_print_format_quiet (new_var, var_get_print_format (old_var));
+ var_set_write_format_quiet (new_var, var_get_write_format (old_var));
+ var_set_value_labels_quiet (new_var, var_get_value_labels (old_var));
+ var_set_label_quiet (new_var, var_get_label (old_var), false);
+ var_set_measure_quiet (new_var, var_get_measure (old_var));
+ var_set_display_width_quiet (new_var, var_get_display_width (old_var));
+ var_set_alignment_quiet (new_var, var_get_alignment (old_var));
+ var_set_leave_quiet (new_var, var_get_leave (old_var));
+ var_set_attributes_quiet (new_var, var_get_attributes (old_var));
+
+ return new_var;
+}
+
+
+
/* Returns the encoding of values of variable VAR. (This is actually a
property of the dictionary.) Returns null if no specific encoding has been
set. */