diff -r e4d67989cc36 -r 47c74d1534e1 glib/gobject/gvaluetypes.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/glib/gobject/gvaluetypes.c Fri Apr 16 16:46:38 2010 +0300 @@ -0,0 +1,1231 @@ +/* GObject - GLib Type, Object, Parameter and Signal Library + * Copyright (C) 1997-1999, 2000-2001 Tim Janik and Red Hat, Inc. + * Portions copyright (c) 2006-2009 Nokia Corporation. All rights reserved. + * + * 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 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, write to the + * Free Software Foundation, Inc., 59 Temple Place, Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * MT safe + */ + +#include "config.h" + +#include +#include /* qsort() */ + +#include "gvaluetypes.h" +#include "gvaluecollector.h" +#include "gobject.h" +#include "gparam.h" +#include "gboxed.h" +#include "genums.h" +#include "gobjectalias.h" +#if __SYMBIAN32__ +#include "gobject_wsd.h" +#endif /* __SYMBIAN32__ */ + + +/* --- value functions --- */ +static void +value_init_long0 (GValue *value) +{ + value->data[0].v_long = 0; +} + +static void +value_copy_long0 (const GValue *src_value, + GValue *dest_value) +{ + dest_value->data[0].v_long = src_value->data[0].v_long; +} + +static gchar* +value_lcopy_char (const GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + gint8 *int8_p = collect_values[0].v_pointer; + + if (!int8_p) + return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value)); + + *int8_p = value->data[0].v_int; + + return NULL; +} + +static gchar* +value_lcopy_boolean (const GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + gboolean *bool_p = collect_values[0].v_pointer; + + if (!bool_p) + return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value)); + + *bool_p = value->data[0].v_int; + + return NULL; +} + +static gchar* +value_collect_int (GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + value->data[0].v_int = collect_values[0].v_int; + + return NULL; +} + +static gchar* +value_lcopy_int (const GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + gint *int_p = collect_values[0].v_pointer; + + if (!int_p) + return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value)); + + *int_p = value->data[0].v_int; + + return NULL; +} + +static gchar* +value_collect_long (GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + value->data[0].v_long = collect_values[0].v_long; + + return NULL; +} + +static gchar* +value_lcopy_long (const GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + glong *long_p = collect_values[0].v_pointer; + + if (!long_p) + return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value)); + + *long_p = value->data[0].v_long; + + return NULL; +} + +static void +value_init_int64 (GValue *value) +{ + value->data[0].v_int64 = 0; +} + +static void +value_copy_int64 (const GValue *src_value, + GValue *dest_value) +{ + dest_value->data[0].v_int64 = src_value->data[0].v_int64; +} + +static gchar* +value_collect_int64 (GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + value->data[0].v_int64 = collect_values[0].v_int64; + + return NULL; +} + +static gchar* +value_lcopy_int64 (const GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + gint64 *int64_p = collect_values[0].v_pointer; + + if (!int64_p) + return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value)); + + *int64_p = value->data[0].v_int64; + + return NULL; +} + +static void +value_init_float (GValue *value) +{ + value->data[0].v_float = 0.0; +} + +static void +value_copy_float (const GValue *src_value, + GValue *dest_value) +{ + dest_value->data[0].v_float = src_value->data[0].v_float; +} + +static gchar* +value_collect_float (GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + value->data[0].v_float = collect_values[0].v_double; + + return NULL; +} + +static gchar* +value_lcopy_float (const GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + gfloat *float_p = collect_values[0].v_pointer; + + if (!float_p) + return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value)); + + *float_p = value->data[0].v_float; + + return NULL; +} + +static void +value_init_double (GValue *value) +{ + value->data[0].v_double = 0.0; +} + +static void +value_copy_double (const GValue *src_value, + GValue *dest_value) +{ + dest_value->data[0].v_double = src_value->data[0].v_double; +} + +static gchar* +value_collect_double (GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + value->data[0].v_double = collect_values[0].v_double; + + return NULL; +} + +static gchar* +value_lcopy_double (const GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + gdouble *double_p = collect_values[0].v_pointer; + + if (!double_p) + return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value)); + + *double_p = value->data[0].v_double; + + return NULL; +} + +static void +value_init_string (GValue *value) +{ + value->data[0].v_pointer = NULL; +} + +static void +value_free_string (GValue *value) +{ + if (!(value->data[1].v_uint & G_VALUE_NOCOPY_CONTENTS)) + g_free (value->data[0].v_pointer); +} + +static void +value_copy_string (const GValue *src_value, + GValue *dest_value) +{ + dest_value->data[0].v_pointer = g_strdup (src_value->data[0].v_pointer); +} + +static gchar* +value_collect_string (GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + if (!collect_values[0].v_pointer) + value->data[0].v_pointer = NULL; + else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) + { + value->data[0].v_pointer = collect_values[0].v_pointer; + value->data[1].v_uint = G_VALUE_NOCOPY_CONTENTS; + } + else + value->data[0].v_pointer = g_strdup (collect_values[0].v_pointer); + + return NULL; +} + +static gchar* +value_lcopy_string (const GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + gchar **string_p = collect_values[0].v_pointer; + + if (!string_p) + return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value)); + + if (!value->data[0].v_pointer) + *string_p = NULL; + else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) + *string_p = value->data[0].v_pointer; + else + *string_p = g_strdup (value->data[0].v_pointer); + + return NULL; +} + +static void +value_init_pointer (GValue *value) +{ + value->data[0].v_pointer = NULL; +} + +static void +value_copy_pointer (const GValue *src_value, + GValue *dest_value) +{ + dest_value->data[0].v_pointer = src_value->data[0].v_pointer; +} + +static gpointer +value_peek_pointer0 (const GValue *value) +{ + return value->data[0].v_pointer; +} + +static gchar* +value_collect_pointer (GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + value->data[0].v_pointer = collect_values[0].v_pointer; + + return NULL; +} + +static gchar* +value_lcopy_pointer (const GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + gpointer *pointer_p = collect_values[0].v_pointer; + + if (!pointer_p) + return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value)); + + *pointer_p = value->data[0].v_pointer; + + return NULL; +} + + +/* --- type initialization --- */ +void +g_value_types_init (void) +{ + GTypeInfo info = { + 0, /* class_size */ + NULL, /* base_init */ + NULL, /* base_destroy */ + NULL, /* class_init */ + NULL, /* class_destroy */ + NULL, /* class_data */ + 0, /* instance_size */ + 0, /* n_preallocs */ + NULL, /* instance_init */ + NULL, /* value_table */ + }; + const GTypeFundamentalInfo finfo = { G_TYPE_FLAG_DERIVABLE, }; + GType type; + + /* G_TYPE_CHAR / G_TYPE_UCHAR + */ + { + static const GTypeValueTable value_table = { + value_init_long0, /* value_init */ + NULL, /* value_free */ + value_copy_long0, /* value_copy */ + NULL, /* value_peek_pointer */ + "i", /* collect_format */ + value_collect_int, /* collect_value */ + "p", /* lcopy_format */ + value_lcopy_char, /* lcopy_value */ + }; + info.value_table = &value_table; + type = g_type_register_fundamental (G_TYPE_CHAR, g_intern_static_string ("gchar"), &info, &finfo, 0); + g_assert (type == G_TYPE_CHAR); + type = g_type_register_fundamental (G_TYPE_UCHAR, g_intern_static_string ("guchar"), &info, &finfo, 0); + g_assert (type == G_TYPE_UCHAR); + } + + /* G_TYPE_BOOLEAN + */ + { + static const GTypeValueTable value_table = { + value_init_long0, /* value_init */ + NULL, /* value_free */ + value_copy_long0, /* value_copy */ + NULL, /* value_peek_pointer */ + "i", /* collect_format */ + value_collect_int, /* collect_value */ + "p", /* lcopy_format */ + value_lcopy_boolean, /* lcopy_value */ + }; + info.value_table = &value_table; + type = g_type_register_fundamental (G_TYPE_BOOLEAN, g_intern_static_string ("gboolean"), &info, &finfo, 0); + g_assert (type == G_TYPE_BOOLEAN); + } + + /* G_TYPE_INT / G_TYPE_UINT + */ + { + static const GTypeValueTable value_table = { + value_init_long0, /* value_init */ + NULL, /* value_free */ + value_copy_long0, /* value_copy */ + NULL, /* value_peek_pointer */ + "i", /* collect_format */ + value_collect_int, /* collect_value */ + "p", /* lcopy_format */ + value_lcopy_int, /* lcopy_value */ + }; + info.value_table = &value_table; + type = g_type_register_fundamental (G_TYPE_INT, g_intern_static_string ("gint"), &info, &finfo, 0); + g_assert (type == G_TYPE_INT); + type = g_type_register_fundamental (G_TYPE_UINT, g_intern_static_string ("guint"), &info, &finfo, 0); + g_assert (type == G_TYPE_UINT); + } + + /* G_TYPE_LONG / G_TYPE_ULONG + */ + { + static const GTypeValueTable value_table = { + value_init_long0, /* value_init */ + NULL, /* value_free */ + value_copy_long0, /* value_copy */ + NULL, /* value_peek_pointer */ + "l", /* collect_format */ + value_collect_long, /* collect_value */ + "p", /* lcopy_format */ + value_lcopy_long, /* lcopy_value */ + }; + info.value_table = &value_table; + type = g_type_register_fundamental (G_TYPE_LONG, g_intern_static_string ("glong"), &info, &finfo, 0); + g_assert (type == G_TYPE_LONG); + type = g_type_register_fundamental (G_TYPE_ULONG, g_intern_static_string ("gulong"), &info, &finfo, 0); + g_assert (type == G_TYPE_ULONG); + } + + /* G_TYPE_INT64 / G_TYPE_UINT64 + */ + { + static const GTypeValueTable value_table = { + value_init_int64, /* value_init */ + NULL, /* value_free */ + value_copy_int64, /* value_copy */ + NULL, /* value_peek_pointer */ + "q", /* collect_format */ + value_collect_int64, /* collect_value */ + "p", /* lcopy_format */ + value_lcopy_int64, /* lcopy_value */ + }; + info.value_table = &value_table; + type = g_type_register_fundamental (G_TYPE_INT64, g_intern_static_string ("gint64"), &info, &finfo, 0); + g_assert (type == G_TYPE_INT64); + type = g_type_register_fundamental (G_TYPE_UINT64, g_intern_static_string ("guint64"), &info, &finfo, 0); + g_assert (type == G_TYPE_UINT64); + } + + /* G_TYPE_FLOAT + */ + { + static const GTypeValueTable value_table = { + value_init_float, /* value_init */ + NULL, /* value_free */ + value_copy_float, /* value_copy */ + NULL, /* value_peek_pointer */ + "d", /* collect_format */ + value_collect_float, /* collect_value */ + "p", /* lcopy_format */ + value_lcopy_float, /* lcopy_value */ + }; + info.value_table = &value_table; + type = g_type_register_fundamental (G_TYPE_FLOAT, g_intern_static_string ("gfloat"), &info, &finfo, 0); + g_assert (type == G_TYPE_FLOAT); + } + + /* G_TYPE_DOUBLE + */ + { + static const GTypeValueTable value_table = { + value_init_double, /* value_init */ + NULL, /* value_free */ + value_copy_double, /* value_copy */ + NULL, /* value_peek_pointer */ + "d", /* collect_format */ + value_collect_double, /* collect_value */ + "p", /* lcopy_format */ + value_lcopy_double, /* lcopy_value */ + }; + info.value_table = &value_table; + type = g_type_register_fundamental (G_TYPE_DOUBLE, g_intern_static_string ("gdouble"), &info, &finfo, 0); + g_assert (type == G_TYPE_DOUBLE); + } + + /* G_TYPE_STRING + */ + { + static const GTypeValueTable value_table = { + value_init_string, /* value_init */ + value_free_string, /* value_free */ + value_copy_string, /* value_copy */ + value_peek_pointer0, /* value_peek_pointer */ + "p", /* collect_format */ + value_collect_string, /* collect_value */ + "p", /* lcopy_format */ + value_lcopy_string, /* lcopy_value */ + }; + info.value_table = &value_table; + type = g_type_register_fundamental (G_TYPE_STRING, g_intern_static_string ("gchararray"), &info, &finfo, 0); + g_assert (type == G_TYPE_STRING); + } + + /* G_TYPE_POINTER + */ + { + static const GTypeValueTable value_table = { + value_init_pointer, /* value_init */ + NULL, /* value_free */ + value_copy_pointer, /* value_copy */ + value_peek_pointer0, /* value_peek_pointer */ + "p", /* collect_format */ + value_collect_pointer, /* collect_value */ + "p", /* lcopy_format */ + value_lcopy_pointer, /* lcopy_value */ + }; + info.value_table = &value_table; + type = g_type_register_fundamental (G_TYPE_POINTER, g_intern_static_string ("gpointer"), &info, &finfo, 0); + g_assert (type == G_TYPE_POINTER); + } +} + + +/* --- GValue functions --- */ +/** + * g_value_set_char: + * @value: a valid #GValue of type %G_TYPE_CHAR + * @v_char: character value to be set + * + * Set the contents of a %G_TYPE_CHAR #GValue to @v_char. + */ +EXPORT_C void +g_value_set_char (GValue *value, + gchar v_char) +{ + g_return_if_fail (G_VALUE_HOLDS_CHAR (value)); + + value->data[0].v_int = v_char; +} + +/** + * g_value_get_char: + * @value: a valid #GValue of type %G_TYPE_CHAR + * + * Get the contents of a %G_TYPE_CHAR #GValue. + * + * Returns: character contents of @value + */ +EXPORT_C gchar +g_value_get_char (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_CHAR (value), 0); + + return value->data[0].v_int; +} + +/** + * g_value_set_uchar: + * @value: a valid #GValue of type %G_TYPE_UCHAR + * @v_uchar: unsigned character value to be set + * + * Set the contents of a %G_TYPE_UCHAR #GValue to @v_uchar. + */ +EXPORT_C void +g_value_set_uchar (GValue *value, + guchar v_uchar) +{ + g_return_if_fail (G_VALUE_HOLDS_UCHAR (value)); + + value->data[0].v_uint = v_uchar; +} + +/** + * g_value_get_uchar: + * @value: a valid #GValue of type %G_TYPE_UCHAR + * + * Get the contents of a %G_TYPE_UCHAR #GValue. + * + * Returns: unsigned character contents of @value + */ +EXPORT_C guchar +g_value_get_uchar (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_UCHAR (value), 0); + + return value->data[0].v_uint; +} + +/** + * g_value_set_boolean: + * @value: a valid #GValue of type %G_TYPE_BOOLEAN + * @v_boolean: boolean value to be set + * + * Set the contents of a %G_TYPE_BOOLEAN #GValue to @v_boolean. + */ +EXPORT_C void +g_value_set_boolean (GValue *value, + gboolean v_boolean) +{ + g_return_if_fail (G_VALUE_HOLDS_BOOLEAN (value)); + + value->data[0].v_int = v_boolean != FALSE; +} + +/** + * g_value_get_boolean: + * @value: a valid #GValue of type %G_TYPE_BOOLEAN + * + * Get the contents of a %G_TYPE_BOOLEAN #GValue. + * + * Returns: boolean contents of @value + */ +EXPORT_C gboolean +g_value_get_boolean (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_BOOLEAN (value), 0); + + return value->data[0].v_int; +} + +/** + * g_value_set_int: + * @value: a valid #GValue of type %G_TYPE_INT + * @v_int: integer value to be set + * + * Set the contents of a %G_TYPE_INT #GValue to @v_int. + */ +EXPORT_C void +g_value_set_int (GValue *value, + gint v_int) +{ + g_return_if_fail (G_VALUE_HOLDS_INT (value)); + + value->data[0].v_int = v_int; +} + +/** + * g_value_get_int: + * @value: a valid #GValue of type %G_TYPE_INT + * + * Get the contents of a %G_TYPE_INT #GValue. + * + * Returns: integer contents of @value + */ +EXPORT_C gint +g_value_get_int (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_INT (value), 0); + + return value->data[0].v_int; +} + +/** + * g_value_set_uint: + * @value: a valid #GValue of type %G_TYPE_UINT + * @v_uint: unsigned integer value to be set + * + * Set the contents of a %G_TYPE_UINT #GValue to @v_uint. + */ +EXPORT_C void +g_value_set_uint (GValue *value, + guint v_uint) +{ + g_return_if_fail (G_VALUE_HOLDS_UINT (value)); + + value->data[0].v_uint = v_uint; +} + +/** + * g_value_get_uint: + * @value: a valid #GValue of type %G_TYPE_UINT + * + * Get the contents of a %G_TYPE_UINT #GValue. + * + * Returns: unsigned integer contents of @value + */ +EXPORT_C guint +g_value_get_uint (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_UINT (value), 0); + + return value->data[0].v_uint; +} + +/** + * g_value_set_long: + * @value: a valid #GValue of type %G_TYPE_LONG + * @v_long: long integer value to be set + * + * Set the contents of a %G_TYPE_LONG #GValue to @v_long. + */ +EXPORT_C void +g_value_set_long (GValue *value, + glong v_long) +{ + g_return_if_fail (G_VALUE_HOLDS_LONG (value)); + + value->data[0].v_long = v_long; +} + +/** + * g_value_get_long: + * @value: a valid #GValue of type %G_TYPE_LONG + * + * Get the contents of a %G_TYPE_LONG #GValue. + * + * Returns: long integer contents of @value + */ +EXPORT_C glong +g_value_get_long (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_LONG (value), 0); + + return value->data[0].v_long; +} + +/** + * g_value_set_ulong: + * @value: a valid #GValue of type %G_TYPE_ULONG + * @v_ulong: unsigned long integer value to be set + * + * Set the contents of a %G_TYPE_ULONG #GValue to @v_ulong. + */ +EXPORT_C void +g_value_set_ulong (GValue *value, + gulong v_ulong) +{ + g_return_if_fail (G_VALUE_HOLDS_ULONG (value)); + + value->data[0].v_ulong = v_ulong; +} + +/** + * g_value_get_ulong: + * @value: a valid #GValue of type %G_TYPE_ULONG + * + * Get the contents of a %G_TYPE_ULONG #GValue. + * + * Returns: unsigned long integer contents of @value + */ +EXPORT_C gulong +g_value_get_ulong (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_ULONG (value), 0); + + return value->data[0].v_ulong; +} + +/** + * g_value_get_int64: + * @value: a valid #GValue of type %G_TYPE_INT64 + * + * Get the contents of a %G_TYPE_INT64 #GValue. + * + * Returns: 64bit integer contents of @value + */ +EXPORT_C void +g_value_set_int64 (GValue *value, + gint64 v_int64) +{ + g_return_if_fail (G_VALUE_HOLDS_INT64 (value)); + + value->data[0].v_int64 = v_int64; +} + +/** + * g_value_set_int64: + * @value: a valid #GValue of type %G_TYPE_INT64 + * @v_int64: 64bit integer value to be set + * + * Set the contents of a %G_TYPE_INT64 #GValue to @v_int64. + */ +EXPORT_C gint64 +g_value_get_int64 (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_INT64 (value), 0); + + return value->data[0].v_int64; +} + +/** + * g_value_set_uint64: + * @value: a valid #GValue of type %G_TYPE_UINT64 + * @v_uint64: unsigned 64bit integer value to be set + * + * Set the contents of a %G_TYPE_UINT64 #GValue to @v_uint64. + */ +EXPORT_C void +g_value_set_uint64 (GValue *value, + guint64 v_uint64) +{ + g_return_if_fail (G_VALUE_HOLDS_UINT64 (value)); + + value->data[0].v_uint64 = v_uint64; +} + +/** + * g_value_get_uint64: + * @value: a valid #GValue of type %G_TYPE_UINT64 + * + * Get the contents of a %G_TYPE_UINT64 #GValue. + * + * Returns: unsigned 64bit integer contents of @value + */ +EXPORT_C guint64 +g_value_get_uint64 (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_UINT64 (value), 0); + + return value->data[0].v_uint64; +} + +/** + * g_value_set_float: + * @value: a valid #GValue of type %G_TYPE_FLOAT + * @v_float: float value to be set + * + * Set the contents of a %G_TYPE_FLOAT #GValue to @v_float. + */ +EXPORT_C void +g_value_set_float (GValue *value, + gfloat v_float) +{ + g_return_if_fail (G_VALUE_HOLDS_FLOAT (value)); + + value->data[0].v_float = v_float; +} + +/** + * g_value_get_float: + * @value: a valid #GValue of type %G_TYPE_FLOAT + * + * Get the contents of a %G_TYPE_FLOAT #GValue. + * + * Returns: float contents of @value + */ +EXPORT_C gfloat +g_value_get_float (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_FLOAT (value), 0); + + return value->data[0].v_float; +} + +/** + * g_value_set_double: + * @value: a valid #GValue of type %G_TYPE_DOUBLE + * @v_double: double value to be set + * + * Set the contents of a %G_TYPE_DOUBLE #GValue to @v_double. + */ +EXPORT_C void +g_value_set_double (GValue *value, + gdouble v_double) +{ + g_return_if_fail (G_VALUE_HOLDS_DOUBLE (value)); + + value->data[0].v_double = v_double; +} + +/** + * g_value_get_double: + * @value: a valid #GValue of type %G_TYPE_DOUBLE + * + * Get the contents of a %G_TYPE_DOUBLE #GValue. + * + * Returns: double contents of @value + */ +EXPORT_C gdouble +g_value_get_double (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_DOUBLE (value), 0); + + return value->data[0].v_double; +} + +/** + * g_value_set_string: + * @value: a valid #GValue of type %G_TYPE_STRING + * @v_string: caller-owned string to be duplicated for the #GValue + * + * Set the contents of a %G_TYPE_STRING #GValue to @v_string. + */ +EXPORT_C void +g_value_set_string (GValue *value, + const gchar *v_string) +{ + gchar *new_val; + + g_return_if_fail (G_VALUE_HOLDS_STRING (value)); + + new_val = g_strdup (v_string); + + if (value->data[1].v_uint & G_VALUE_NOCOPY_CONTENTS) + value->data[1].v_uint = 0; + else + g_free (value->data[0].v_pointer); + + value->data[0].v_pointer = new_val; +} + +/** + * g_value_set_static_string: + * @value: a valid #GValue of type %G_TYPE_STRING + * @v_string: static string to be set + * + * Set the contents of a %G_TYPE_STRING #GValue to @v_string. + * The string is assumed to be static, and is thus not duplicated + * when setting the #GValue. + */ +EXPORT_C void +g_value_set_static_string (GValue *value, + const gchar *v_string) +{ + g_return_if_fail (G_VALUE_HOLDS_STRING (value)); + + if (!(value->data[1].v_uint & G_VALUE_NOCOPY_CONTENTS)) + g_free (value->data[0].v_pointer); + value->data[1].v_uint = G_VALUE_NOCOPY_CONTENTS; + value->data[0].v_pointer = (gchar*) v_string; +} + +/** + * g_value_set_string_take_ownership: + * @value: a valid #GValue of type %G_TYPE_STRING + * @v_string: duplicated unowned string to be set + * + * This is an internal function introduced mainly for C marshallers. + * + * Deprecated: 2.4: Use g_value_take_string() instead. + */ +EXPORT_C void +g_value_set_string_take_ownership (GValue *value, + gchar *v_string) +{ + g_value_take_string (value, v_string); +} + +/** + * g_value_take_string: + * @value: a valid #GValue of type %G_TYPE_STRING + * @v_string: string to take ownership of + * + * Sets the contents of a %G_TYPE_STRING #GValue to @v_string. + * + * Since: 2.4 + */ +EXPORT_C void +g_value_take_string (GValue *value, + gchar *v_string) +{ + g_return_if_fail (G_VALUE_HOLDS_STRING (value)); + + if (value->data[1].v_uint & G_VALUE_NOCOPY_CONTENTS) + value->data[1].v_uint = 0; + else + g_free (value->data[0].v_pointer); + value->data[0].v_pointer = v_string; +} + +/** + * g_value_get_string: + * @value: a valid #GValue of type %G_TYPE_STRING + * + * Get the contents of a %G_TYPE_STRING #GValue. + * + * Returns: string content of @value + */ +EXPORT_C G_CONST_RETURN gchar* +g_value_get_string (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_STRING (value), NULL); + + return value->data[0].v_pointer; +} + +/** + * g_value_dup_string: + * @value: a valid #GValue of type %G_TYPE_STRING + * + * Get a copy the contents of a %G_TYPE_STRING #GValue. + * + * Returns: a newly allocated copy of the string content of @value + */ +EXPORT_C gchar* +g_value_dup_string (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_STRING (value), NULL); + + return g_strdup (value->data[0].v_pointer); +} + +/** + * g_value_set_pointer: + * @value: a valid #GValue of %G_TYPE_POINTER + * @v_pointer: pointer value to be set + * + * Set the contents of a pointer #GValue to @v_pointer. + */ +EXPORT_C void +g_value_set_pointer (GValue *value, + gpointer v_pointer) +{ + g_return_if_fail (G_VALUE_HOLDS_POINTER (value)); + + value->data[0].v_pointer = v_pointer; +} + +/** + * g_value_get_pointer: + * @value: a valid #GValue of %G_TYPE_POINTER + * + * Get the contents of a pointer #GValue. + * + * Returns: pointer contents of @value + */ +EXPORT_C gpointer +g_value_get_pointer (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_POINTER (value), NULL); + + return value->data[0].v_pointer; +} + +#if EMULATOR + +PLS(type ,g_gtype_get_type ,GType) +#define type (*FUNCTION_NAME(type ,g_gtype_get_type)()) + +#endif /* EMULATOR */ + +EXPORT_C GType +g_gtype_get_type (void) +{ + static const GTypeInfo type_info = { 0, }; + + #if !(EMULATOR) + static GType type; + #endif /* !(EMULATOR) */ + + if (!type) + type = g_type_register_static (G_TYPE_POINTER, g_intern_static_string ("GType"), &type_info, 0); + return type; +} + +#if EMULATOR +#undef type +#endif /* EMULATOR */ + +/** + * g_value_set_gtype: + * @value: a valid #GValue of type %G_TYPE_GTYPE + * @v_gtype: #GType to be set + * + * Set the contents of a %G_TYPE_GTYPE #GValue to @v_gtype. + * + * Since: 2.12 + */ +EXPORT_C void +g_value_set_gtype (GValue *value, + GType v_gtype) +{ + g_return_if_fail (G_VALUE_HOLDS_GTYPE (value)); + + value->data[0].v_long = v_gtype; + +} + +/** + * g_value_get_gtype: + * @value: a valid #GValue of type %G_TYPE_GTYPE + * + * Get the contents of a %G_TYPE_GTYPE #GValue. + * + * Since: 2.12 + * + * Returns: the #GType stored in @value + */ +EXPORT_C GType +g_value_get_gtype (const GValue *value) +{ + g_return_val_if_fail (G_VALUE_HOLDS_GTYPE (value), 0); + + return value->data[0].v_long; +} + +/** + * g_strdup_value_contents: + * @value: #GValue which contents are to be described. + * + * Return a newly allocated string, which describes the contents of a + * #GValue. The main purpose of this function is to describe #GValue + * contents for debugging output, the way in which the contents are + * described may change between different GLib versions. + * + * Returns: Newly allocated string. + */ +EXPORT_C gchar* +g_strdup_value_contents (const GValue *value) +{ + const gchar *src; + gchar *contents; + + g_return_val_if_fail (G_IS_VALUE (value), NULL); + + if (G_VALUE_HOLDS_STRING (value)) + { + src = g_value_get_string (value); + + if (!src) + contents = g_strdup ("NULL"); + else + { + gchar *s = g_strescape (src, NULL); + + contents = g_strdup_printf ("\"%s\"", s); + g_free (s); + } + } + else if (g_value_type_transformable (G_VALUE_TYPE (value), G_TYPE_STRING)) + { + GValue tmp_value = { 0, }; + gchar *s; + + g_value_init (&tmp_value, G_TYPE_STRING); + g_value_transform (value, &tmp_value); + s = g_strescape (g_value_get_string (&tmp_value), NULL); + g_value_unset (&tmp_value); + if (G_VALUE_HOLDS_ENUM (value) || G_VALUE_HOLDS_FLAGS (value)) + contents = g_strdup_printf ("((%s) %s)", + g_type_name (G_VALUE_TYPE (value)), + s); + else + contents = g_strdup (s ? s : "NULL"); + g_free (s); + } + else if (g_value_fits_pointer (value)) + { + gpointer p = g_value_peek_pointer (value); + + if (!p) + contents = g_strdup ("NULL"); + else if (G_VALUE_HOLDS_OBJECT (value)) + contents = g_strdup_printf ("((%s*) %p)", G_OBJECT_TYPE_NAME (p), p); + else if (G_VALUE_HOLDS_PARAM (value)) + contents = g_strdup_printf ("((%s*) %p)", G_PARAM_SPEC_TYPE_NAME (p), p); + else if (G_VALUE_HOLDS_BOXED (value)) + contents = g_strdup_printf ("((%s*) %p)", g_type_name (G_VALUE_TYPE (value)), p); + else if (G_VALUE_HOLDS_POINTER (value)) + contents = g_strdup_printf ("((gpointer) %p)", p); + else + contents = g_strdup ("???"); + } + else + contents = g_strdup ("???"); + + return contents; +} + +/** + * g_pointer_type_register_static: + * @name: the name of the new pointer type. + * + * Creates a new %G_TYPE_POINTER derived type id for a new + * pointer type with name @name. + * + * Returns: a new %G_TYPE_POINTER derived type id for @name. + */ +EXPORT_C GType +g_pointer_type_register_static (const gchar *name) +{ + static const GTypeInfo type_info = { + 0, /* class_size */ + NULL, /* base_init */ + NULL, /* base_finalize */ + NULL, /* class_init */ + NULL, /* class_finalize */ + NULL, /* class_data */ + 0, /* instance_size */ + 0, /* n_preallocs */ + NULL, /* instance_init */ + NULL /* value_table */ + }; + GType type; + + g_return_val_if_fail (name != NULL, 0); + g_return_val_if_fail (g_type_from_name (name) == 0, 0); + + type = g_type_register_static (G_TYPE_POINTER, name, &type_info, 0); + + return type; +} + +#define __G_VALUETYPES_C__ +#include "gobjectaliasdef.c"