luc14n0/glib
1
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/glib.git synced 2024-12-26 15:36:14 +01:00
Code Issues Packages Projects Releases Wiki Activity
5ac06ac8ea
glib/gio/gsettings-mapping.c
Philip Withnall 5942cd7984 gio: Add SPDX license headers automatically 
Add SPDX license (but not copyright) headers to all files which follow a
certain pattern in their existing non-machine-readable header comment.

This commit was entirely generated using the command:
```
git ls-files gio/*.[ch] | xargs perl -0777 -pi -e 's/\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/\n \*\n \* SPDX-License-Identifier: LGPL-2.1-or-later\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/igs'
```

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>

Helps: #1415
2022-05-18 09:18:52 +01:00

595 lines
18 KiB
C
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* Copyright © 2010 Novell, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Vincent Untz <vuntz@gnome.org>
*/
#include "config.h"
#include "gsettings-mapping.h"
static GVariant *
g_settings_set_mapping_int (const GValue *value,
const GVariantType *expected_type)
{
GVariant *variant = NULL;
gint64 l;
if (G_VALUE_HOLDS_INT (value))
l = g_value_get_int (value);
else if (G_VALUE_HOLDS_INT64 (value))
l = g_value_get_int64 (value);
else
return NULL;
if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT16))
{
if (G_MININT16 <= l && l <= G_MAXINT16)
variant = g_variant_new_int16 ((gint16) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT16))
{
if (0 <= l && l <= G_MAXUINT16)
variant = g_variant_new_uint16 ((guint16) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT32))
{
if (G_MININT32 <= l && l <= G_MAXINT32)
variant = g_variant_new_int32 ((gint) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT32))
{
if (0 <= l && l <= G_MAXUINT32)
variant = g_variant_new_uint32 ((guint) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT64))
{
if (G_MININT64 <= l && l <= G_MAXINT64)
variant = g_variant_new_int64 ((gint64) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT64))
{
if (0 <= l && (guint64) l <= G_MAXUINT64)
variant = g_variant_new_uint64 ((guint64) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_HANDLE))
{
if (0 <= l && l <= G_MAXUINT32)
variant = g_variant_new_handle ((guint) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_DOUBLE))
variant = g_variant_new_double ((gdouble) l);
return variant;
}
static GVariant *
g_settings_set_mapping_float (const GValue *value,
const GVariantType *expected_type)
{
GVariant *variant = NULL;
gdouble d;
gint64 l;
if (G_VALUE_HOLDS_DOUBLE (value))
d = g_value_get_double (value);
else
return NULL;
l = (gint64) d;
if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT16))
{
if (G_MININT16 <= l && l <= G_MAXINT16)
variant = g_variant_new_int16 ((gint16) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT16))
{
if (0 <= l && l <= G_MAXUINT16)
variant = g_variant_new_uint16 ((guint16) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT32))
{
if (G_MININT32 <= l && l <= G_MAXINT32)
variant = g_variant_new_int32 ((gint) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT32))
{
if (0 <= l && l <= G_MAXUINT32)
variant = g_variant_new_uint32 ((guint) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT64))
{
if (G_MININT64 <= l && l <= G_MAXINT64)
variant = g_variant_new_int64 ((gint64) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT64))
{
if (0 <= l && (guint64) l <= G_MAXUINT64)
variant = g_variant_new_uint64 ((guint64) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_HANDLE))
{
if (0 <= l && l <= G_MAXUINT32)
variant = g_variant_new_handle ((guint) l);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_DOUBLE))
variant = g_variant_new_double ((gdouble) d);
return variant;
}
static GVariant *
g_settings_set_mapping_unsigned_int (const GValue *value,
const GVariantType *expected_type)
{
GVariant *variant = NULL;
guint64 u;
if (G_VALUE_HOLDS_UINT (value))
u = g_value_get_uint (value);
else if (G_VALUE_HOLDS_UINT64 (value))
u = g_value_get_uint64 (value);
else
return NULL;
if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT16))
{
if (u <= G_MAXINT16)
variant = g_variant_new_int16 ((gint16) u);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT16))
{
if (u <= G_MAXUINT16)
variant = g_variant_new_uint16 ((guint16) u);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT32))
{
if (u <= G_MAXINT32)
variant = g_variant_new_int32 ((gint) u);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT32))
{
if (u <= G_MAXUINT32)
variant = g_variant_new_uint32 ((guint) u);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_INT64))
{
if (u <= G_MAXINT64)
variant = g_variant_new_int64 ((gint64) u);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_UINT64))
{
if (u <= G_MAXUINT64)
variant = g_variant_new_uint64 ((guint64) u);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_HANDLE))
{
if (u <= G_MAXUINT32)
variant = g_variant_new_handle ((guint) u);
}
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_DOUBLE))
variant = g_variant_new_double ((gdouble) u);
return variant;
}
static gboolean
g_settings_get_mapping_int (GValue *value,
GVariant *variant)
{
const GVariantType *type;
gint64 l;
type = g_variant_get_type (variant);
if (g_variant_type_equal (type, G_VARIANT_TYPE_INT16))
l = g_variant_get_int16 (variant);
else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT32))
l = g_variant_get_int32 (variant);
else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT64))
l = g_variant_get_int64 (variant);
else if (g_variant_type_equal (type, G_VARIANT_TYPE_HANDLE))
l = g_variant_get_handle (variant);
else
return FALSE;
if (G_VALUE_HOLDS_INT (value))
{
g_value_set_int (value, l);
return (G_MININT32 <= l && l <= G_MAXINT32);
}
else if (G_VALUE_HOLDS_UINT (value))
{
g_value_set_uint (value, l);
return (0 <= l && l <= G_MAXUINT32);
}
else if (G_VALUE_HOLDS_INT64 (value))
{
g_value_set_int64 (value, l);
return (G_MININT64 <= l && l <= G_MAXINT64);
}
else if (G_VALUE_HOLDS_UINT64 (value))
{
g_value_set_uint64 (value, l);
return (0 <= l && (guint64) l <= G_MAXUINT64);
}
else if (G_VALUE_HOLDS_DOUBLE (value))
{
g_value_set_double (value, l);
return TRUE;
}
return FALSE;
}
static gboolean
g_settings_get_mapping_float (GValue *value,
GVariant *variant)
{
const GVariantType *type;
gdouble d;
gint64 l;
type = g_variant_get_type (variant);
if (g_variant_type_equal (type, G_VARIANT_TYPE_DOUBLE))
d = g_variant_get_double (variant);
else
return FALSE;
l = (gint64)d;
if (G_VALUE_HOLDS_INT (value))
{
g_value_set_int (value, l);
return (G_MININT32 <= l && l <= G_MAXINT32);
}
else if (G_VALUE_HOLDS_UINT (value))
{
g_value_set_uint (value, l);
return (0 <= l && l <= G_MAXUINT32);
}
else if (G_VALUE_HOLDS_INT64 (value))
{
g_value_set_int64 (value, l);
return (G_MININT64 <= l && l <= G_MAXINT64);
}
else if (G_VALUE_HOLDS_UINT64 (value))
{
g_value_set_uint64 (value, l);
return (0 <= l && (guint64) l <= G_MAXUINT64);
}
else if (G_VALUE_HOLDS_DOUBLE (value))
{
g_value_set_double (value, d);
return TRUE;
}
return FALSE;
}
static gboolean
g_settings_get_mapping_unsigned_int (GValue *value,
GVariant *variant)
{
const GVariantType *type;
guint64 u;
type = g_variant_get_type (variant);
if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT16))
u = g_variant_get_uint16 (variant);
else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT32))
u = g_variant_get_uint32 (variant);
else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT64))
u = g_variant_get_uint64 (variant);
else
return FALSE;
if (G_VALUE_HOLDS_INT (value))
{
g_value_set_int (value, u);
return (u <= G_MAXINT32);
}
else if (G_VALUE_HOLDS_UINT (value))
{
g_value_set_uint (value, u);
return (u <= G_MAXUINT32);
}
else if (G_VALUE_HOLDS_INT64 (value))
{
g_value_set_int64 (value, u);
return (u <= G_MAXINT64);
}
else if (G_VALUE_HOLDS_UINT64 (value))
{
g_value_set_uint64 (value, u);
return (u <= G_MAXUINT64);
}
else if (G_VALUE_HOLDS_DOUBLE (value))
{
g_value_set_double (value, u);
return TRUE;
}
return FALSE;
}
GVariant *
g_settings_set_mapping (const GValue *value,
const GVariantType *expected_type,
gpointer user_data)
{
gchar *type_string;
if (G_VALUE_HOLDS_BOOLEAN (value))
{
if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_BOOLEAN))
return g_variant_new_boolean (g_value_get_boolean (value));
}
else if (G_VALUE_HOLDS_CHAR (value) ||
G_VALUE_HOLDS_UCHAR (value))
{
if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_BYTE))
{
if (G_VALUE_HOLDS_CHAR (value))
return g_variant_new_byte (g_value_get_schar (value));
else
return g_variant_new_byte (g_value_get_uchar (value));
}
}
else if (G_VALUE_HOLDS_INT (value) ||
G_VALUE_HOLDS_INT64 (value))
return g_settings_set_mapping_int (value, expected_type);
else if (G_VALUE_HOLDS_DOUBLE (value))
return g_settings_set_mapping_float (value, expected_type);
else if (G_VALUE_HOLDS_UINT (value) ||
G_VALUE_HOLDS_UINT64 (value))
return g_settings_set_mapping_unsigned_int (value, expected_type);
else if (G_VALUE_HOLDS_STRING (value))
{
if (g_value_get_string (value) == NULL)
return NULL;
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_STRING))
return g_variant_new_string (g_value_get_string (value));
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_BYTESTRING))
return g_variant_new_bytestring (g_value_get_string (value));
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_OBJECT_PATH))
return g_variant_new_object_path (g_value_get_string (value));
else if (g_variant_type_equal (expected_type, G_VARIANT_TYPE_SIGNATURE))
return g_variant_new_signature (g_value_get_string (value));
}
else if (G_VALUE_HOLDS (value, G_TYPE_STRV))
{
if (g_value_get_boxed (value) == NULL)
return NULL;
return g_variant_new_strv ((const gchar **) g_value_get_boxed (value),
-1);
}
else if (G_VALUE_HOLDS_ENUM (value))
{
GEnumValue *enumval;
GEnumClass *eclass;
/* GParamSpecEnum holds a ref on the class so we just peek... */
eclass = g_type_class_peek (G_VALUE_TYPE (value));
enumval = g_enum_get_value (eclass, g_value_get_enum (value));
if (enumval)
return g_variant_new_string (enumval->value_nick);
else
return NULL;
}
else if (G_VALUE_HOLDS_FLAGS (value))
{
GVariantBuilder builder;
GFlagsValue *flagsval;
GFlagsClass *fclass;
guint flags;
fclass = g_type_class_peek (G_VALUE_TYPE (value));
flags = g_value_get_flags (value);
g_variant_builder_init (&builder, G_VARIANT_TYPE ("as"));
while (flags)
{
flagsval = g_flags_get_first_value (fclass, flags);
if (flagsval == NULL)
{
g_variant_builder_clear (&builder);
return NULL;
}
g_variant_builder_add (&builder, "s", flagsval->value_nick);
flags &= ~flagsval->value;
}
return g_variant_builder_end (&builder);
}
type_string = g_variant_type_dup_string (expected_type);
g_critical ("No GSettings bind handler for type \"%s\".", type_string);
g_free (type_string);
return NULL;
}
gboolean
g_settings_get_mapping (GValue *value,
GVariant *variant,
gpointer user_data)
{
if (g_variant_is_of_type (variant, G_VARIANT_TYPE_BOOLEAN))
{
if (!G_VALUE_HOLDS_BOOLEAN (value))
return FALSE;
g_value_set_boolean (value, g_variant_get_boolean (variant));
return TRUE;
}
else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_BYTE))
{
if (G_VALUE_HOLDS_UCHAR (value))
g_value_set_uchar (value, g_variant_get_byte (variant));
else if (G_VALUE_HOLDS_CHAR (value))
g_value_set_schar (value, (gint8)g_variant_get_byte (variant));
else
return FALSE;
return TRUE;
}
else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_INT16) ||
g_variant_is_of_type (variant, G_VARIANT_TYPE_INT32) ||
g_variant_is_of_type (variant, G_VARIANT_TYPE_INT64) ||
g_variant_is_of_type (variant, G_VARIANT_TYPE_HANDLE))
return g_settings_get_mapping_int (value, variant);
else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_DOUBLE))
return g_settings_get_mapping_float (value, variant);
else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_UINT16) ||
g_variant_is_of_type (variant, G_VARIANT_TYPE_UINT32) ||
g_variant_is_of_type (variant, G_VARIANT_TYPE_UINT64))
return g_settings_get_mapping_unsigned_int (value, variant);
else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_STRING) ||
g_variant_is_of_type (variant, G_VARIANT_TYPE_OBJECT_PATH) ||
g_variant_is_of_type (variant, G_VARIANT_TYPE_SIGNATURE))
{
if (G_VALUE_HOLDS_STRING (value))
{
g_value_set_string (value, g_variant_get_string (variant, NULL));
return TRUE;
}
else if (G_VALUE_HOLDS_ENUM (value))
{
GEnumClass *eclass;
GEnumValue *evalue;
const gchar *nick;
/* GParamSpecEnum holds a ref on the class so we just peek... */
eclass = g_type_class_peek (G_VALUE_TYPE (value));
nick = g_variant_get_string (variant, NULL);
evalue = g_enum_get_value_by_nick (eclass, nick);
if (evalue)
{
g_value_set_enum (value, evalue->value);
return TRUE;
}
g_warning ("Unable to look up enum nick ‘%s’ via GType", nick);
return FALSE;
}
}
else if (g_variant_is_of_type (variant, G_VARIANT_TYPE ("as")))
{
if (G_VALUE_HOLDS (value, G_TYPE_STRV))
{
g_value_take_boxed (value, g_variant_dup_strv (variant, NULL));
return TRUE;
}
else if (G_VALUE_HOLDS_FLAGS (value))
{
GFlagsClass *fclass;
GFlagsValue *fvalue;
const gchar *nick;
GVariantIter iter;
guint flags = 0;
fclass = g_type_class_peek (G_VALUE_TYPE (value));
g_variant_iter_init (&iter, variant);
while (g_variant_iter_next (&iter, "&s", &nick))
{
fvalue = g_flags_get_value_by_nick (fclass, nick);
if (fvalue)
flags |= fvalue->value;
else
{
g_warning ("Unable to lookup flags nick '%s' via GType",
nick);
return FALSE;
}
}
g_value_set_flags (value, flags);
return TRUE;
}
}
else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_BYTESTRING))
{
g_value_set_string (value, g_variant_get_bytestring (variant));
return TRUE;
}
g_critical ("No GSettings bind handler for type \"%s\".",
g_variant_get_type_string (variant));
return FALSE;
}
gboolean
g_settings_mapping_is_compatible (GType gvalue_type,
const GVariantType *variant_type)
{
gboolean ok = FALSE;
if (gvalue_type == G_TYPE_BOOLEAN)
ok = g_variant_type_equal (variant_type, G_VARIANT_TYPE_BOOLEAN);
else if (gvalue_type == G_TYPE_CHAR ||
gvalue_type == G_TYPE_UCHAR)
ok = g_variant_type_equal (variant_type, G_VARIANT_TYPE_BYTE);
else if (gvalue_type == G_TYPE_INT ||
gvalue_type == G_TYPE_UINT ||
gvalue_type == G_TYPE_INT64 ||
gvalue_type == G_TYPE_UINT64 ||
gvalue_type == G_TYPE_DOUBLE)
ok = (g_variant_type_equal (variant_type, G_VARIANT_TYPE_INT16) ||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_UINT16) ||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_INT32) ||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_UINT32) ||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_INT64) ||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_UINT64) ||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_HANDLE) ||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_DOUBLE));
else if (gvalue_type == G_TYPE_STRING)
ok = (g_variant_type_equal (variant_type, G_VARIANT_TYPE_STRING) ||
g_variant_type_equal (variant_type, G_VARIANT_TYPE ("ay")) ||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_OBJECT_PATH) ||
g_variant_type_equal (variant_type, G_VARIANT_TYPE_SIGNATURE));
else if (gvalue_type == G_TYPE_STRV)
ok = g_variant_type_equal (variant_type, G_VARIANT_TYPE ("as"));
else if (G_TYPE_IS_ENUM (gvalue_type))
ok = g_variant_type_equal (variant_type, G_VARIANT_TYPE_STRING);
else if (G_TYPE_IS_FLAGS (gvalue_type))
ok = g_variant_type_equal (variant_type, G_VARIANT_TYPE ("as"));
return ok;
}
Reference in New Issue View Git Blame Copy Permalink