/* GObject - GLib Type, Object, Parameter and Signal Library
* Copyright (C) 1997-1999, 2000-2001 Tim Janik and Red Hat, Inc.
+ * Copyright © 2010 Christian Persch
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* MT safe
*/
-#include "gvaluetypes.h"
+#include "config.h"
-#include "gvaluecollector.h"
+#include <string.h>
+#include <stdlib.h> /* qsort() */
+#include "gvaluetypes.h"
+#include "gvaluecollector.h"
#include "gobject.h"
#include "gparam.h"
#include "gboxed.h"
#include "genums.h"
-
-#include "gobjectalias.h"
-#include <string.h>
-#include <stdlib.h> /* qsort() */
+#include "gobjectalias.h"
/* --- value functions --- */
return NULL;
}
+static void
+value_free_variant (GValue *value)
+{
+ if (!(value->data[1].v_uint & G_VALUE_NOCOPY_CONTENTS) &&
+ value->data[0].v_pointer)
+ g_variant_unref (value->data[0].v_pointer);
+}
+
+static void
+value_copy_variant (const GValue *src_value,
+ GValue *dest_value)
+{
+ if (src_value->data[0].v_pointer)
+ dest_value->data[0].v_pointer = g_variant_ref_sink (src_value->data[0].v_pointer);
+ else
+ dest_value->data[0].v_pointer = NULL;
+}
+
+static gchar*
+value_collect_variant (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_variant_ref_sink (collect_values[0].v_pointer);
+
+ return NULL;
+}
+
+static gchar*
+value_lcopy_variant (const GValue *value,
+ guint n_collect_values,
+ GTypeCValue *collect_values,
+ guint collect_flags)
+{
+ GVariant **variant_p = collect_values[0].v_pointer;
+
+ if (!variant_p)
+ return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+
+ if (!value->data[0].v_pointer)
+ *variant_p = NULL;
+ else if (collect_flags & G_VALUE_NOCOPY_CONTENTS)
+ *variant_p = value->data[0].v_pointer;
+ else
+ *variant_p = g_variant_ref_sink (value->data[0].v_pointer);
+
+ return NULL;
+}
/* --- type initialization --- */
void
type = g_type_register_fundamental (G_TYPE_POINTER, g_intern_static_string ("gpointer"), &info, &finfo, 0);
g_assert (type == G_TYPE_POINTER);
}
+
+ /* G_TYPE_VARIANT
+ */
+ {
+ static const GTypeValueTable value_table = {
+ value_init_pointer, /* value_init */
+ value_free_variant, /* value_free */
+ value_copy_variant, /* value_copy */
+ value_peek_pointer0, /* value_peek_pointer */
+ "p", /* collect_format */
+ value_collect_variant, /* collect_value */
+ "p", /* lcopy_format */
+ value_lcopy_variant, /* lcopy_value */
+ };
+ info.value_table = &value_table;
+ type = g_type_register_fundamental (G_TYPE_VARIANT, g_intern_static_string ("GVariant"), &info, &finfo, 0);
+ g_assert (type == G_TYPE_VARIANT);
+ }
}
/* --- 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.
+ */
void
g_value_set_char (GValue *value,
gchar v_char)
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
+ */
gchar
g_value_get_char (const GValue *value)
{
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.
+ */
void
g_value_set_uchar (GValue *value,
guchar v_uchar)
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
+ */
guchar
g_value_get_uchar (const GValue *value)
{
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.
+ */
void
g_value_set_boolean (GValue *value,
gboolean v_boolean)
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
+ */
gboolean
g_value_get_boolean (const GValue *value)
{
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.
+ */
void
g_value_set_int (GValue *value,
gint v_int)
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
+ */
gint
g_value_get_int (const GValue *value)
{
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.
+ */
void
g_value_set_uint (GValue *value,
guint v_uint)
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
+ */
guint
g_value_get_uint (const GValue *value)
{
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.
+ */
void
g_value_set_long (GValue *value,
glong v_long)
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
+ */
glong
g_value_get_long (const GValue *value)
{
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.
+ */
void
g_value_set_ulong (GValue *value,
gulong v_ulong)
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
+ */
gulong
g_value_get_ulong (const GValue *value)
{
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
+ */
void
g_value_set_int64 (GValue *value,
gint64 v_int64)
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.
+ */
gint64
g_value_get_int64 (const GValue *value)
{
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.
+ */
void
g_value_set_uint64 (GValue *value,
guint64 v_uint64)
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
+ */
guint64
g_value_get_uint64 (const GValue *value)
{
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.
+ */
void
g_value_set_float (GValue *value,
gfloat v_float)
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
+ */
gfloat
g_value_get_float (const GValue *value)
{
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.
+ */
void
g_value_set_double (GValue *value,
gdouble v_double)
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
+ */
gdouble
g_value_get_double (const GValue *value)
{
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.
+ */
void
g_value_set_string (GValue *value,
const gchar *v_string)
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.
+ */
void
g_value_set_static_string (GValue *value,
const gchar *v_string)
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.
+ */
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
+ */
void
g_value_take_string (GValue *value,
gchar *v_string)
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
+ */
G_CONST_RETURN gchar*
g_value_get_string (const GValue *value)
{
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
+ */
gchar*
g_value_dup_string (const GValue *value)
{
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.
+ */
void
g_value_set_pointer (GValue *value,
gpointer v_pointer)
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
+ */
gpointer
g_value_get_pointer (const GValue *value)
{
return type;
}
-void
+/**
+ * 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
+ */
+void
g_value_set_gtype (GValue *value,
GType v_gtype)
{
}
-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
+ */
+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_value_set_variant:
+ * @value: a valid #GValue of type %G_TYPE_VARIANT
+ * @variant: a #GVariant, or %NULL
+ *
+ * Set the contents of a variant #GValue to @variant.
+ * If the variant is floating, it is consumed.
+ *
+ * Since: 2.26
+ */
+void
+g_value_set_variant (GValue *value,
+ GVariant *variant)
+{
+ GVariant *old_variant;
+
+ g_return_if_fail (G_VALUE_HOLDS_VARIANT (value));
+
+ old_variant = value->data[0].v_pointer;
+
+ if (variant)
+ value->data[0].v_pointer = g_variant_ref_sink (variant);
+ else
+ value->data[0].v_pointer = NULL;
+
+ if (old_variant)
+ g_variant_unref (old_variant);
+}
+
+/**
+ * g_value_take_variant:
+ * @value: a valid #GValue of type %G_TYPE_VARIANT
+ * @variant: a #GVariant, or %NULL
+ *
+ * Set the contents of a variant #GValue to @variant, and takes over
+ * the ownership of the caller's reference to @variant;
+ * the caller doesn't have to unref it any more (i.e. the reference
+ * count of the variant is not increased).
+ *
+ * It is a programmer error to pass a floating variant to this function.
+ * In particular this means that callbacks in closures, and signal handlers
+ * for signals of return type %G_TYPE_VARIANT, must never return floating
+ * variants.
+ *
+ * If you want the #GValue to hold its own reference to @variant, use
+ * g_value_set_variant() instead.
+ *
+ * This is an internal function introduced mainly for C marshallers.
+ *
+ * Since: 2.26
+ */
+void
+g_value_take_variant (GValue *value,
+ GVariant *variant)
+{
+ GVariant *old_variant;
+
+ g_return_if_fail (G_VALUE_HOLDS_VARIANT (value));
+ g_return_if_fail (variant == NULL || !g_variant_is_floating (variant));
+
+ old_variant = value->data[0].v_pointer;
+
+ value->data[0].v_pointer = variant;
+
+ if (old_variant)
+ g_variant_unref (old_variant);
+}
+
+/**
+ * g_value_get_variant:
+ * @value: a valid #GValue of type %G_TYPE_VARIANT
+ *
+ * Get the contents of a variant #GValue.
+ *
+ * Returns: variant contents of @value
+ *
+ * Since: 2.26
+ */
+GVariant*
+g_value_get_variant (const GValue *value)
+{
+ g_return_val_if_fail (G_VALUE_HOLDS_VARIANT (value), NULL);
+
+ return value->data[0].v_pointer;
+}
+/**
+ * g_value_dup_variant:
+ * @value: a valid #GValue of type %G_TYPE_VARIANT
+ *
+ * Get the contents of a variant #GValue, increasing its refcount.
+ *
+ * Returns: variant contents of @value, should be unrefed using
+ * g_variant_unref() when no longer needed
+ *
+ * Since: 2.26
+ */
+GVariant*
+g_value_dup_variant (const GValue *value)
+{
+ GVariant *variant;
+
+ g_return_val_if_fail (G_VALUE_HOLDS_VARIANT (value), NULL);
+
+ variant = value->data[0].v_pointer;
+ if (variant)
+ g_variant_ref_sink (variant);
+
+ return variant;
+}
+
+/**
+ * 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.
+ */
gchar*
g_strdup_value_contents (const GValue *value)
{
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.
+ */
GType
g_pointer_type_register_static (const gchar *name)
{
projects / platform / upstream / glib.git / blobdiff