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GVariantBuilder: allow for stack allocation

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This commit is contained in:
Ryan Lortie 2010-03-03 03:37:37 -05:00
parent bb0808638c
commit fe6e278a87
5 changed files with 356 additions and 239 deletions
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2
docs/reference/glib/glib-sections.txt
View File

@ -2869,6 +2869,8 @@ GVariantBuilder
g_variant_builder_unref
g_variant_builder_ref
g_variant_builder_new
g_variant_builder_init
g_variant_builder_clear
g_variant_builder_add_value
g_variant_builder_end
g_variant_builder_open

6
glib/glib.symbols
View File

@ -1766,12 +1766,14 @@ g_variant_iter_loop
g_variant_iter_next_value
g_variant_builder_add_value
g_variant_builder_init
g_variant_builder_clear
g_variant_builder_open
g_variant_builder_close
g_variant_builder_end
g_variant_builder_new
g_variant_builder_open
g_variant_builder_ref
g_variant_builder_unref
g_variant_builder_ref
#endif
#endif

559
glib/gvariant.c
View File

@ -1619,7 +1619,7 @@ g_variant_print_string (GVariant *value,
const gchar *str = g_variant_get_string (value, NULL);
gchar *escaped = g_strescape (str, NULL);
g_string_append_printf (string, "\"%s\"", escaped);
g_string_append_printf (string, "\'%s\'", escaped);
g_free (escaped);
}
@ -1709,14 +1709,14 @@ g_variant_print_string (GVariant *value,
case G_VARIANT_CLASS_OBJECT_PATH:
if (type_annotate)
g_string_append (string, "objectpath ");
g_string_append_printf (string, "\"%s\"",
g_string_append_printf (string, "\'%s\'",
g_variant_get_string (value, NULL));
break;
case G_VARIANT_CLASS_SIGNATURE:
if (type_annotate)
g_string_append (string, "signature ");
g_string_append_printf (string, "\"%s\"",
g_string_append_printf (string, "\'%s\'",
g_variant_get_string (value, NULL));
break;
@ -1929,7 +1929,8 @@ struct heap_iter
#define GVHI(i) ((struct heap_iter *) (i))
#define GVSI_MAGIC ((gsize) 3579507750u)
#define GVHI_MAGIC ((gsize) 1450270775u)
#define is_valid_iter(i) (GVSI(i)->magic == GVSI_MAGIC)
#define is_valid_iter(i) (i != NULL && \
GVSI(i)->magic == GVSI_MAGIC)
#define is_valid_heap_iter(i) (GVHI(i)->magic == GVHI_MAGIC && \
is_valid_iter(i))
@ -2285,11 +2286,10 @@ g_variant_iter_next (GVariantIter *iter,
}
/* GVariantBuilder {{{1 */
/**
* GVariantBuilder:
*
* A utility class for constructing container-type #GVariant instances.
* A utility type for constructing container-type #GVariant instances.
*
* This is an opaque structure and may only be accessed using the
* following functions.
@ -2297,7 +2297,8 @@ g_variant_iter_next (GVariantIter *iter,
* #GVariantBuilder is not threadsafe in any way. Do not attempt to
* access it from more than one thread.
**/
struct _GVariantBuilder
struct stack_builder
{
GVariantBuilder *parent;
GVariantType *type;
@ -2325,165 +2326,274 @@ struct _GVariantBuilder
*/
guint uniform_item_types : 1;
/* set to '1' until _end() or _close() is called. */
guint is_active : 1;
/* set to '1' by _open() until _close() is called */
guint has_child : 1;
/* set to '1' initially and changed to '0' if an untrusted value is
* added
*/
guint trusted : 1;
gsize magic;
};
struct heap_builder
{
GVariantBuilder builder;
gsize magic;
gint ref_count;
};
#define GVSB(b) ((struct stack_builder *) (b))
#define GVHB(b) ((struct heap_builder *) (b))
#define GVSB_MAGIC ((gsize) 1033660112u)
#define GVHB_MAGIC ((gsize) 3087242682u)
#define is_valid_builder(b) (b != NULL && \
GVSB(b)->magic == GVSB_MAGIC)
#define is_valid_heap_builder(b) (GVHB(b)->magic == GVHB_MAGIC && \
is_valid_builder(b))
/**
* g_variant_builder_new:
* @type: a container type
* @returns: a #GVariantBuilder
*
* Creates a new #GVariantBuilder.
* Allocates and initialises a new #GVariantBuilder.
*
* @type must be non-%NULL. It specifies the type of container to
* construct. It can be an indefinite type such as
* %G_VARIANT_TYPE_ARRAY or a definite type such as "as" or "(ii)".
* Maybe, array, tuple, dictionary entry and variants may be
* constructed.
* You should call g_variant_builder_unref() on the return value when it
* is no longer needed. The memory will not be automatically freed by
* any other call.
*
* After the builder is created, values are added using
* g_variant_builder_add_value() or g_variant_builder_add().
* In most cases it is easier to place a #GVariantBuilder directly on
* the stack of the calling function and initialise it with
* g_variant_builder_init().
*
* After all the child values are added, g_variant_builder_end() frees
* the builder and returns the #GVariant that was created.
* Since: 2.24
**/
GVariantBuilder *
g_variant_builder_new (const GVariantType *type)
{
GVariantBuilder *builder;
g_return_val_if_fail (type != NULL, NULL);
g_return_val_if_fail (g_variant_type_is_container (type), NULL);
builder = g_slice_new (GVariantBuilder);
builder->parent = NULL;
builder->offset = 0;
builder->has_child = FALSE;
builder->is_active = TRUE;
builder->trusted = TRUE;
builder->type = g_variant_type_copy (type);
builder->prev_item_type = NULL;
builder->ref_count = 1;
switch (*(const gchar *) type)
{
case G_VARIANT_CLASS_VARIANT:
builder->uniform_item_types = TRUE;
builder->allocated_children = 1;
builder->expected_type = NULL;
builder->min_items = 1;
builder->max_items = 1;
break;
case G_VARIANT_CLASS_ARRAY:
builder->uniform_item_types = TRUE;
builder->allocated_children = 8;
builder->expected_type = g_variant_type_element (builder->type);
builder->min_items = 0;
builder->max_items = -1;
break;
case G_VARIANT_CLASS_MAYBE:
builder->uniform_item_types = TRUE;
builder->allocated_children = 1;
builder->expected_type = g_variant_type_element (builder->type);
builder->min_items = 0;
builder->max_items = 1;
break;
case G_VARIANT_CLASS_DICT_ENTRY:
builder->uniform_item_types = FALSE;
builder->allocated_children = 2;
builder->expected_type = g_variant_type_key (builder->type);
builder->min_items = 2;
builder->max_items = 2;
break;
case 'r': /* G_VARIANT_TYPE_TUPLE was given */
builder->uniform_item_types = FALSE;
builder->allocated_children = 8;
builder->expected_type = NULL;
builder->min_items = 0;
builder->max_items = -1;
break;
case G_VARIANT_CLASS_TUPLE: /* a definite tuple type was given */
builder->allocated_children = g_variant_type_n_items (type);
builder->expected_type = g_variant_type_first (builder->type);
builder->min_items = builder->allocated_children;
builder->max_items = builder->allocated_children;
builder->uniform_item_types = FALSE;
break;
default:
g_assert_not_reached ();
}
builder->children = g_new (GVariant *, builder->allocated_children);
builder = (GVariantBuilder *) g_slice_new (struct heap_builder);
g_variant_builder_init (builder, type);
GVHB(builder)->magic = GVHB_MAGIC;
GVHB(builder)->ref_count = 1;
return builder;
}
/**
* g_variant_builder_unref:
* @builder: a #GVariantBuilder
* @builder: a #GVariantBuilder allocated by g_variant_builder_new()
*
* Reduces the reference count on @builder. If no other references are
* held, the builder is freed. If the builder was created using
* g_variant_builder_open() then this may result in the destruction of
* the parent builder too (if no other references are held on it).
* Decreases the reference count on @builder.
*
* In the event that there are no more references, releases all memory
* associated with the #GVariantBuilder.
*
* Don't call this on stack-allocated #GVariantBuilder instances or bad
* things will happen.
*
* Since: 2.24
**/
void
g_variant_builder_unref (GVariantBuilder *builder)
{
GVariantBuilder *parent;
gsize i;
g_return_if_fail (is_valid_heap_builder (builder));
if (--builder->ref_count)
if (--GVHB(builder)->ref_count)
return;
for (i = 0; i < builder->offset; i++)
g_variant_unref (builder->children[i]);
g_variant_builder_clear (builder);
GVHB(builder)->magic = 0;
g_free (builder->children);
parent = builder->parent;
g_slice_free (GVariantBuilder, builder);
g_variant_builder_unref (parent);
g_slice_free (struct heap_builder, GVHB(builder));
}
/**
* g_variant_builder_ref;
* @builder: a #GVariantBuilder
* @returns: the same #GVariantBuilder
* g_variant_builder_ref:
* @builder: a #GVariantBuilder allocated by g_variant_builder_new()
* @returns: a new reference to @builder
*
* Increases the reference count on @builder by 1.
* Increases the reference count on @builder.
*
* Don't call this on stack-allocated #GVariantBuilder instances or bad
* things will happen.
*
* Since: 2.24
**/
GVariantBuilder *
g_variant_builder_ref (GVariantBuilder *builder)
{
builder->ref_count++;
g_return_val_if_fail (is_valid_heap_builder (builder), NULL);
GVHB(builder)->ref_count++;
return builder;
}
/**
* g_variant_builder_clear:
* @builder: a #GVariantBuilder
*
* Releases all memory associated with a #GVariantBuilder without
* freeing the #GVariantBuilder structure itself.
*
* It typically only makes sense to do this on a stack-allocated
* #GVariantBuilder if you want to abort building the value part-way
* through. This function need not be called if you call
* g_variant_builder_end() and it also doesn't need to be called on
* builders allocated with g_variant_builder_new (see
* g_variant_builder_free() for that).
*
* This function leaves the #GVariantBuilder structure set to all-zeros.
* It is valid to call this function on either an initialised
* #GVariantBuilder or one that is set to all-zeros but it is not valid
* to call this function on uninitialised memory.
*
* Since: 2.24
**/
void
g_variant_builder_clear (GVariantBuilder *builder)
{
gsize i;
if (GVSB(builder)->magic == 0)
/* all-zeros case */
return;
g_return_if_fail (is_valid_builder (builder));
g_variant_type_free (GVSB(builder)->type);
for (i = 0; i < GVSB(builder)->offset; i++)
g_variant_unref (GVSB(builder)->children[i]);
g_free (GVSB(builder)->children);
if (GVSB(builder)->parent)
{
g_variant_builder_clear (GVSB(builder)->parent);
g_slice_free (GVariantBuilder, GVSB(builder)->parent);
}
memset (builder, 0, sizeof (GVariantBuilder));
}
/**
* g_variant_builder_init:
* @builder: a #GVariantBuilder
* @type: a container type
*
* Initialises a #GVariantBuilder structure.
*
* @type must be non-%NULL. It specifies the type of container to
* construct. It can be an indefinite type such as
* %G_VARIANT_TYPE_ARRAY or a definite type such as "as" or "(ii)".
* Maybe, array, tuple, dictionary entry and variant-typed values may be
* constructed.
*
* After the builder is initialised, values are added using
* g_variant_builder_add_value() or g_variant_builder_add().
*
* After all the child values are added, g_variant_builder_end() frees
* the memory associated with the builder and returns the #GVariant that
* was created.
*
* This function completely ignores the previous contents of @builder.
* On one hand this means that it is valid to pass in completely
* uninitialised memory. On the other hand, this means that if you are
* initialising over top of an existing #GVariantBuilder you need to
* first call g_variant_builder_clear() in order to avoid leaking
* memory.
*
* You must not call g_variant_builder_ref() or
* g_variant_builder_unref() on a #GVariantBuilder that was initialised
* with this function. If you ever pass a reference to a
* #GVariantBuilder outside of the control of your own code then you
* should assume that the person receiving that reference may try to use
* reference counting; you should use g_variant_builder_new() instead of
* this function.
*
* Since: 2.24
**/
void
g_variant_builder_init (GVariantBuilder *builder,
const GVariantType *type)
{
g_return_if_fail (type != NULL);
g_return_if_fail (g_variant_type_is_container (type));
g_assert (sizeof (struct stack_builder) < sizeof (GVariantBuilder));
memset (builder, 0, sizeof (GVariantBuilder));
GVSB(builder)->type = g_variant_type_copy (type);
GVSB(builder)->magic = GVSB_MAGIC;
GVSB(builder)->trusted = TRUE;
switch (*(const gchar *) type)
{
case G_VARIANT_CLASS_VARIANT:
GVSB(builder)->uniform_item_types = TRUE;
GVSB(builder)->allocated_children = 1;
GVSB(builder)->expected_type = NULL;
GVSB(builder)->min_items = 1;
GVSB(builder)->max_items = 1;
break;
case G_VARIANT_CLASS_ARRAY:
GVSB(builder)->uniform_item_types = TRUE;
GVSB(builder)->allocated_children = 8;
GVSB(builder)->expected_type =
g_variant_type_element (GVSB(builder)->type);
GVSB(builder)->min_items = 0;
GVSB(builder)->max_items = -1;
break;
case G_VARIANT_CLASS_MAYBE:
GVSB(builder)->uniform_item_types = TRUE;
GVSB(builder)->allocated_children = 1;
GVSB(builder)->expected_type =
g_variant_type_element (GVSB(builder)->type);
GVSB(builder)->min_items = 0;
GVSB(builder)->max_items = 1;
break;
case G_VARIANT_CLASS_DICT_ENTRY:
GVSB(builder)->uniform_item_types = FALSE;
GVSB(builder)->allocated_children = 2;
GVSB(builder)->expected_type =
g_variant_type_key (GVSB(builder)->type);
GVSB(builder)->min_items = 2;
GVSB(builder)->max_items = 2;
break;
case 'r': /* G_VARIANT_TYPE_TUPLE was given */
GVSB(builder)->uniform_item_types = FALSE;
GVSB(builder)->allocated_children = 8;
GVSB(builder)->expected_type = NULL;
GVSB(builder)->min_items = 0;
GVSB(builder)->max_items = -1;
break;
case G_VARIANT_CLASS_TUPLE: /* a definite tuple type was given */
GVSB(builder)->allocated_children = g_variant_type_n_items (type);
GVSB(builder)->expected_type =
g_variant_type_first (GVSB(builder)->type);
GVSB(builder)->min_items = GVSB(builder)->allocated_children;
GVSB(builder)->max_items = GVSB(builder)->allocated_children;
GVSB(builder)->uniform_item_types = FALSE;
break;
default:
g_assert_not_reached ();
}
GVSB(builder)->children = g_new (GVariant *,
GVSB(builder)->allocated_children);
}
static void
g_variant_builder_make_room (GVariantBuilder *builder)
g_variant_builder_make_room (struct stack_builder *builder)
{
if (builder->offset == builder->allocated_children)
{
@ -2505,139 +2615,120 @@ g_variant_builder_make_room (GVariantBuilder *builder)
* putting different types of items into an array, putting the wrong
* types or number of items in a tuple, putting more than one value into
* a variant, etc.
*
* Since: 2.24
**/
void
g_variant_builder_add_value (GVariantBuilder *builder,
GVariant *value)
{
g_return_if_fail (builder != NULL && value != NULL);
g_return_if_fail (builder->is_active && !builder->has_child);
g_return_if_fail (builder->offset < builder->max_items);
g_return_if_fail (!builder->expected_type ||
g_variant_is_of_type (value, builder->expected_type));
g_return_if_fail (!builder->prev_item_type ||
g_variant_is_of_type (value, builder->prev_item_type));
g_return_if_fail (is_valid_builder (builder));
g_return_if_fail (GVSB(builder)->offset < GVSB(builder)->max_items);
g_return_if_fail (!GVSB(builder)->expected_type ||
g_variant_is_of_type (value,
GVSB(builder)->expected_type));
g_return_if_fail (!GVSB(builder)->prev_item_type ||
g_variant_is_of_type (value,
GVSB(builder)->prev_item_type));
builder->trusted &= g_variant_is_trusted (value);
GVSB(builder)->trusted &= g_variant_is_trusted (value);
if (!builder->uniform_item_types)
if (!GVSB(builder)->uniform_item_types)
{
/* advance our expected type pointers */
if (builder->expected_type)
builder->expected_type =
g_variant_type_next (builder->expected_type);
if (GVSB(builder)->expected_type)
GVSB(builder)->expected_type =
g_variant_type_next (GVSB(builder)->expected_type);
if (builder->prev_item_type)
builder->prev_item_type =
g_variant_type_next (builder->prev_item_type);
if (GVSB(builder)->prev_item_type)
GVSB(builder)->prev_item_type =
g_variant_type_next (GVSB(builder)->prev_item_type);
}
else
builder->prev_item_type = g_variant_get_type (value);
GVSB(builder)->prev_item_type = g_variant_get_type (value);
g_variant_builder_make_room (builder);
g_variant_builder_make_room (GVSB(builder));
builder->children[builder->offset++] = g_variant_ref_sink (value);
GVSB(builder)->children[GVSB(builder)->offset++] =
g_variant_ref_sink (value);
}
/**
* g_variant_builder_open:
* @builder: a #GVariantBuilder
* @type: a #GVariantType
* @returns: a new #GVariantBuilder
*
* Opens a subcontainer inside the given @builder.
* Opens a subcontainer inside the given @builder. When done adding
* items to the subcontainer, g_variant_builder_close() must be called.
*
* This call consumes the caller's reference to @builder.
* g_variant_builder_close() returns the reference.
* It is an error to call this function in any way that would cause an
* inconsistent value to be constructed (ie: adding too many values or
* a value of an incorrect type).
*
* Even if additional references are held, it is not permissible to use
* @builder in any way (except for further reference counting
* operations) until g_variant_builder_close() is called on the return
* value of this function.
*
* It is an error to call this function in any way that would create an
* inconsistent value to be constructed.
* Since: 2.24
**/
GVariantBuilder *
void
g_variant_builder_open (GVariantBuilder *builder,
const GVariantType *type)
{
GVariantBuilder *child;
GVariantBuilder *parent;
g_return_val_if_fail (builder != NULL && type != NULL, NULL);
g_return_val_if_fail (builder->is_active && !builder->has_child, NULL);
g_return_val_if_fail (builder->offset < builder->max_items, NULL);
g_return_val_if_fail (!builder->expected_type ||
g_variant_type_is_subtype_of (type,
builder->expected_type),
NULL);
g_return_val_if_fail (!builder->prev_item_type ||
g_variant_type_is_subtype_of (builder->prev_item_type,
type), NULL);
child = g_variant_builder_new (type);
builder->has_child = TRUE;
child->parent = builder;
g_return_if_fail (is_valid_builder (builder));
g_return_if_fail (GVSB(builder)->offset < GVSB(builder)->max_items);
g_return_if_fail (!GVSB(builder)->expected_type ||
g_variant_type_is_subtype_of (type,
GVSB(builder)->expected_type));
g_return_if_fail (!GVSB(builder)->prev_item_type ||
g_variant_type_is_subtype_of (GVSB(builder)->prev_item_type,
type));
parent = g_slice_dup (GVariantBuilder, builder);
g_variant_builder_init (builder, type);
GVSB(builder)->parent = parent;
/* push the prev_item_type down into the subcontainer */
if (builder->prev_item_type)
if (GVSB(parent)->prev_item_type)
{
if (!child->uniform_item_types)
if (!GVSB(builder)->uniform_item_types)
/* tuples and dict entries */
child->prev_item_type =
g_variant_type_first (builder->prev_item_type);
GVSB(builder)->prev_item_type =
g_variant_type_first (GVSB(parent)->prev_item_type);
else if (!g_variant_type_is_variant (child->type))
else if (!g_variant_type_is_variant (GVSB(builder)->type))
/* maybes and arrays */
child->prev_item_type =
g_variant_type_element (builder->prev_item_type);
GVSB(builder)->prev_item_type =
g_variant_type_element (GVSB(parent)->prev_item_type);
}
return child;
}
/**
* g_variant_builder_close:
* @builder: a #GVariantBuilder
* @returns: the original parent of @builder
*
* This function closes a builder that was created with a call to
* g_variant_builder_open().
*
* This function consumes the caller's reference to @builder and drops
* it. The return result is the reference to the parent
* #GVariantBuilder that was originally taken from the caller by
* g_variant_builder_open().
*
* Even if additional references are held, it is not permissible to use
* @builder in any way after this call except for further reference
* counting operations.
* Closes the subcontainer inside the given @builder that was opened by
* the most recent call to g_variant_builder_open().
*
* It is an error to call this function in any way that would create an
* inconsistent value to be constructed (ie: insufficient number of
* items added to a container with a specific number of children
* required). It is also an error to call this function if the builder
* was created with an indefinite array or maybe type and no children
* have been added; in this case it is impossible to infer the type of
* the empty array.
* inconsistent value to be constructed (ie: too few values added to the
* subcontainer).
*
* Since: 2.24
**/
GVariantBuilder *
void
g_variant_builder_close (GVariantBuilder *builder)
{
GVariantBuilder *parent;
g_return_val_if_fail (builder != NULL, NULL);
g_return_val_if_fail (builder->parent != NULL, NULL);
g_assert (builder->parent->has_child);
g_return_if_fail (is_valid_builder (builder));
g_return_if_fail (GVSB(builder)->parent != NULL);
/* steal reference so _end() doesn't free it. */
parent = builder->parent;
builder->parent = NULL;
parent->has_child = FALSE;
parent = GVSB(builder)->parent;
GVSB(builder)->parent = NULL;
g_variant_builder_add_value (parent, g_variant_builder_end (builder));
*builder = *parent;
return parent;
g_slice_free (GVariantBuilder, parent);
}
/*< private >
@ -2671,11 +2762,24 @@ g_variant_make_array_type (GVariant *element)
*
* Ends the builder process and returns the constructed value.
*
* It is an error to call this function on a #GVariantBuilder created
* by a call to g_variant_builder_open(). It is an error to call this
* function if @builder has an outstanding child. It is an error to
* call this function in any case that g_variant_builder_check_end()
* would return %FALSE.
* This call automatically reduces the reference count on @builder by
* one, unless it has previously had g_variant_builder_no_autofree()
* called on it. Unless you've taken other actions, this is usually
* sufficient to free @builder.
*
* Even if additional references are held, it is not permissible to use
* @builder in any way after this call except for further reference
* counting operations.
*
* It is an error to call this function in any way that would create an
* inconsistent value to be constructed (ie: insufficient number of
* items added to a container with a specific number of children
* required). It is also an error to call this function if the builder
* was created with an indefinite array or maybe type and no children
* have been added; in this case it is impossible to infer the type of
* the empty array.
*
* Since: 2.24
**/
GVariant *
g_variant_builder_end (GVariantBuilder *builder)
@ -2683,42 +2787,43 @@ g_variant_builder_end (GVariantBuilder *builder)
GVariantType *my_type;
GVariant *value;
g_return_val_if_fail (builder != NULL, NULL);
g_return_val_if_fail (builder->is_active && !builder->has_child, NULL);
g_return_val_if_fail (builder->offset >= builder->min_items, NULL);
g_return_val_if_fail (!builder->uniform_item_types ||
builder->prev_item_type != NULL ||
g_variant_type_is_definite (builder->type), NULL);
g_return_val_if_fail (is_valid_builder (builder), NULL);
g_return_val_if_fail (GVSB(builder)->offset >= GVSB(builder)->min_items,
NULL);
g_return_val_if_fail (!GVSB(builder)->uniform_item_types ||
GVSB(builder)->prev_item_type != NULL ||
g_variant_type_is_definite (GVSB(builder)->type),
NULL);
if (g_variant_type_is_definite (builder->type))
my_type = g_variant_type_copy (builder->type);
if (g_variant_type_is_definite (GVSB(builder)->type))
my_type = g_variant_type_copy (GVSB(builder)->type);
else if (g_variant_type_is_maybe (builder->type))
my_type = g_variant_make_maybe_type (builder->children[0]);
else if (g_variant_type_is_maybe (GVSB(builder)->type))
my_type = g_variant_make_maybe_type (GVSB(builder)->children[0]);
else if (g_variant_type_is_array (builder->type))
my_type = g_variant_make_array_type (builder->children[0]);
else if (g_variant_type_is_array (GVSB(builder)->type))
my_type = g_variant_make_array_type (GVSB(builder)->children[0]);
else if (g_variant_type_is_tuple (builder->type))
my_type = g_variant_make_tuple_type (builder->children, builder->offset);
else if (g_variant_type_is_tuple (GVSB(builder)->type))
my_type = g_variant_make_tuple_type (GVSB(builder)->children,
GVSB(builder)->offset);
else if (g_variant_type_is_dict_entry (builder->type))
my_type = g_variant_make_dict_entry_type (builder->children[0],
builder->children[1]);
else if (g_variant_type_is_dict_entry (GVSB(builder)->type))
my_type = g_variant_make_dict_entry_type (GVSB(builder)->children[0],
GVSB(builder)->children[1]);
else
g_assert_not_reached ();
value = g_variant_new_from_children (my_type,
g_renew (GVariant *,
builder->children,
builder->offset),
builder->offset,
builder->trusted);
builder->is_active = FALSE;
builder->children = NULL;
GVSB(builder)->children,
GVSB(builder)->offset),
GVSB(builder)->offset,
GVSB(builder)->trusted);
GVSB(builder)->children = NULL;
GVSB(builder)->offset = 0;
g_variant_type_free (builder->type);
g_slice_free (GVariantBuilder, builder);
g_variant_builder_clear (builder);
g_variant_type_free (my_type);
return value;

15
glib/gvariant.h
View File

@ -157,14 +157,21 @@ gboolean g_variant_iter_loop (GVarian
typedef struct _GVariantBuilder GVariantBuilder;
struct _GVariantBuilder {
/*< private >*/
gsize x[16];
};
GVariantBuilder * g_variant_builder_new (const GVariantType *type);
void g_variant_builder_unref (GVariantBuilder *builder);
GVariantBuilder * g_variant_builder_ref (GVariantBuilder *builder);
GVariantBuilder * g_variant_builder_new (const GVariantType *type);
GVariant * g_variant_builder_end (GVariantBuilder *builder);
GVariantBuilder * g_variant_builder_open (GVariantBuilder *builder,
void g_variant_builder_init (GVariantBuilder *builder,
const GVariantType *type);
GVariantBuilder * g_variant_builder_close (GVariantBuilder *builder);
GVariant * g_variant_builder_end (GVariantBuilder *builder);
void g_variant_builder_clear (GVariantBuilder *builder);
void g_variant_builder_open (GVariantBuilder *builder,
const GVariantType *type);
void g_variant_builder_close (GVariantBuilder *builder);
void g_variant_builder_add_value (GVariantBuilder *builder,
GVariant *value);
void g_variant_builder_add (GVariantBuilder *builder,

13
glib/tests/gvariant.c
View File

@ -2540,7 +2540,7 @@ tree_instance_build_gvariant (TreeInstance *tree,
{
gsize i;
builder = g_variant_builder_open (builder, type);
g_variant_builder_open (builder, type);
for (i = 0; i < tree->n_children; i++)
tree_instance_build_gvariant (tree->children[i], builder);
@ -2619,15 +2619,15 @@ test_container (void)
if (g_variant_is_container (value))
{
GVariantBuilder *builder;
GVariantBuilder builder;
GVariantIter iter;
GVariant *built;
GVariant *val;
gchar *s3;
builder = g_variant_builder_new (G_VARIANT_TYPE_VARIANT);
tree_instance_build_gvariant (tree, builder);
built = g_variant_builder_end (builder);
g_variant_builder_init (&builder, G_VARIANT_TYPE_VARIANT);
tree_instance_build_gvariant (tree, &builder);
built = g_variant_builder_end (&builder);
g_variant_ref_sink (built);
g_variant_get_data (built);
val = g_variant_get_variant (built);
@ -2676,7 +2676,6 @@ main (int argc, char **argv)
g_test_add_func ("/gvariant/serialiser/variant", test_variants);
g_test_add_func ("/gvariant/serialiser/strings", test_strings);
g_test_add_func ("/gvariant/serialiser/byteswap", test_byteswaps);
g_test_add_func ("/gvariant/containers", test_containers);
for (i = 1; i <= 20; i += 4)
{
@ -2688,5 +2687,7 @@ main (int argc, char **argv)
g_free (testname);
}
g_test_add_func ("/gvariant/containers", test_containers);
return g_test_run ();
}