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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gio/gio.h>
#include "libgimpbase/gimpbase.h"
#include "core-types.h"
#include "gimpparamspecs.h"
#include "gimpparamspecs-desc.h"
static inline const gchar *
gimp_param_spec_get_blurb (GParamSpec *pspec)
{
const gchar *blurb = g_param_spec_get_blurb (pspec);
return blurb ? blurb : "";
}
static gchar *
gimp_param_spec_boolean_desc (GParamSpec *pspec)
{
const gchar *blurb = gimp_param_spec_get_blurb (pspec);
return g_strconcat (blurb, " (TRUE or FALSE)", NULL);
}
static gchar *
gimp_param_spec_int32_desc (GParamSpec *pspec)
{
GParamSpecInt *ispec = G_PARAM_SPEC_INT (pspec);
const gchar *blurb = gimp_param_spec_get_blurb (pspec);
if (ispec->minimum == G_MININT32 && ispec->maximum == G_MAXINT32)
return g_strdup (blurb);
if (ispec->minimum == G_MININT32)
return g_strdup_printf ("%s (%s <= %d)", blurb,
g_param_spec_get_name (pspec),
ispec->maximum);
if (ispec->maximum == G_MAXINT32)
return g_strdup_printf ("%s (%s >= %d)", blurb,
g_param_spec_get_name (pspec),
ispec->minimum);
return g_strdup_printf ("%s (%d <= %s <= %d)", blurb,
ispec->minimum,
g_param_spec_get_name (pspec),
ispec->maximum);
}
static gchar *
gimp_param_spec_double_desc (GParamSpec *pspec)
{
GParamSpecDouble *dspec = G_PARAM_SPEC_DOUBLE (pspec);
const gchar *blurb = gimp_param_spec_get_blurb (pspec);
if (dspec->minimum == - G_MAXDOUBLE && dspec->maximum == G_MAXDOUBLE)
return g_strdup (blurb);
if (dspec->minimum == - G_MAXDOUBLE)
return g_strdup_printf ("%s (%s <= %g)", blurb,
g_param_spec_get_name (pspec),
dspec->maximum);
if (dspec->maximum == G_MAXDOUBLE)
return g_strdup_printf ("%s (%s >= %g)", blurb,
g_param_spec_get_name (pspec),
dspec->minimum);
return g_strdup_printf ("%s (%g <= %s <= %g)", blurb,
dspec->minimum,
g_param_spec_get_name (pspec),
dspec->maximum);
}
static gchar *
gimp_param_spec_enum_desc (GParamSpec *pspec)
{
const gchar *blurb = gimp_param_spec_get_blurb (pspec);
GString *str = g_string_new (blurb);
GEnumClass *enum_class = g_type_class_peek (pspec->value_type);
GEnumValue *enum_value;
GSList *excluded;
gint i, n;
if (GIMP_IS_PARAM_SPEC_ENUM (pspec))
excluded = GIMP_PARAM_SPEC_ENUM (pspec)->excluded_values;
else
excluded = NULL;
g_string_append (str, " { ");
for (i = 0, n = 0, enum_value = enum_class->values;
i < enum_class->n_values;
i++, enum_value++)
{
GSList *list;
gchar *name;
for (list = excluded; list; list = list->next)
{
gint value = GPOINTER_TO_INT (list->data);
if (value == enum_value->value)
break;
}
if (list)
continue;
if (n > 0)
g_string_append (str, ", ");
if (G_LIKELY (g_str_has_prefix (enum_value->value_name, "GIMP_")))
name = gimp_canonicalize_identifier (enum_value->value_name + 5);
else
name = gimp_canonicalize_identifier (enum_value->value_name);
g_string_append (str, name);
g_free (name);
g_string_append_printf (str, " (%d)", enum_value->value);
n++;
}
g_string_append (str, " }");
return g_string_free (str, FALSE);
}
/**
* gimp_param_spec_get_desc:
* @pspec: a #GParamSpec
*
* This function creates a description of the passed @pspec, which is
* suitable for use in the PDB. Actually, it currently only deals with
* parameter types used in the PDB and should not be used for anything
* else.
*
* Return value: A newly allocated string describing the parameter.
*/
gchar *
gimp_param_spec_get_desc (GParamSpec *pspec)
{
g_return_val_if_fail (G_IS_PARAM_SPEC (pspec), NULL);
if (GIMP_IS_PARAM_SPEC_UNIT (pspec))
{
}
else if (GIMP_IS_PARAM_SPEC_INT32 (pspec))
{
return gimp_param_spec_int32_desc (pspec);
}
else
{
switch (G_TYPE_FUNDAMENTAL (pspec->value_type))
{
case G_TYPE_BOOLEAN:
return gimp_param_spec_boolean_desc (pspec);
case G_TYPE_DOUBLE:
return gimp_param_spec_double_desc (pspec);
case G_TYPE_ENUM:
return gimp_param_spec_enum_desc (pspec);
}
}
return g_strdup (g_param_spec_get_blurb (pspec));
}
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