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Edit File: gvariant.h

/* * Copyright © 2007, 2008 Ryan Lortie * Copyright © 2009, 2010 Codethink Limited * * 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: Ryan Lortie <desrt@desrt.ca> */ #ifndef __G_VARIANT_H__ #define __G_VARIANT_H__ #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) #error "Only <glib.h> can be included directly." #endif #include <glib/gvarianttype.h> #include <glib/gstring.h> #include <glib/gbytes.h> G_BEGIN_DECLS typedef struct _GVariant GVariant; typedef enum { G_VARIANT_CLASS_BOOLEAN = 'b', G_VARIANT_CLASS_BYTE = 'y', G_VARIANT_CLASS_INT16 = 'n', G_VARIANT_CLASS_UINT16 = 'q', G_VARIANT_CLASS_INT32 = 'i', G_VARIANT_CLASS_UINT32 = 'u', G_VARIANT_CLASS_INT64 = 'x', G_VARIANT_CLASS_UINT64 = 't', G_VARIANT_CLASS_HANDLE = 'h', G_VARIANT_CLASS_DOUBLE = 'd', G_VARIANT_CLASS_STRING = 's', G_VARIANT_CLASS_OBJECT_PATH = 'o', G_VARIANT_CLASS_SIGNATURE = 'g', G_VARIANT_CLASS_VARIANT = 'v', G_VARIANT_CLASS_MAYBE = 'm', G_VARIANT_CLASS_ARRAY = 'a', G_VARIANT_CLASS_TUPLE = '(', G_VARIANT_CLASS_DICT_ENTRY = '{' } GVariantClass; GLIB_AVAILABLE_IN_ALL void g_variant_unref (GVariant *value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_ref (GVariant *value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_ref_sink (GVariant *value); GLIB_AVAILABLE_IN_ALL gboolean g_variant_is_floating (GVariant *value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_take_ref (GVariant *value); GLIB_AVAILABLE_IN_ALL const GVariantType * g_variant_get_type (GVariant *value); GLIB_AVAILABLE_IN_ALL const gchar * g_variant_get_type_string (GVariant *value); GLIB_AVAILABLE_IN_ALL gboolean g_variant_is_of_type (GVariant *value, const GVariantType *type); GLIB_AVAILABLE_IN_ALL gboolean g_variant_is_container (GVariant *value); GLIB_AVAILABLE_IN_ALL GVariantClass g_variant_classify (GVariant *value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_boolean (gboolean value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_byte (guchar value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_int16 (gint16 value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_uint16 (guint16 value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_int32 (gint32 value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_uint32 (guint32 value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_int64 (gint64 value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_uint64 (guint64 value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_handle (gint32 value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_double (gdouble value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_string (const gchar *string); GLIB_AVAILABLE_IN_2_38 GVariant * g_variant_new_take_string (gchar *string); GLIB_AVAILABLE_IN_2_38 GVariant * g_variant_new_printf (const gchar *format_string, ...) G_GNUC_PRINTF (1, 2); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_object_path (const gchar *object_path); GLIB_AVAILABLE_IN_ALL gboolean g_variant_is_object_path (const gchar *string); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_signature (const gchar *signature); GLIB_AVAILABLE_IN_ALL gboolean g_variant_is_signature (const gchar *string); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_variant (GVariant *value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_strv (const gchar * const *strv, gssize length); GLIB_AVAILABLE_IN_2_30 GVariant * g_variant_new_objv (const gchar * const *strv, gssize length); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_bytestring (const gchar *string); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_bytestring_array (const gchar * const *strv, gssize length); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_fixed_array (const GVariantType *element_type, gconstpointer elements, gsize n_elements, gsize element_size); GLIB_AVAILABLE_IN_ALL gboolean g_variant_get_boolean (GVariant *value); GLIB_AVAILABLE_IN_ALL guchar g_variant_get_byte (GVariant *value); GLIB_AVAILABLE_IN_ALL gint16 g_variant_get_int16 (GVariant *value); GLIB_AVAILABLE_IN_ALL guint16 g_variant_get_uint16 (GVariant *value); GLIB_AVAILABLE_IN_ALL gint32 g_variant_get_int32 (GVariant *value); GLIB_AVAILABLE_IN_ALL guint32 g_variant_get_uint32 (GVariant *value); GLIB_AVAILABLE_IN_ALL gint64 g_variant_get_int64 (GVariant *value); GLIB_AVAILABLE_IN_ALL guint64 g_variant_get_uint64 (GVariant *value); GLIB_AVAILABLE_IN_ALL gint32 g_variant_get_handle (GVariant *value); GLIB_AVAILABLE_IN_ALL gdouble g_variant_get_double (GVariant *value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_get_variant (GVariant *value); GLIB_AVAILABLE_IN_ALL const gchar * g_variant_get_string (GVariant *value, gsize *length); GLIB_AVAILABLE_IN_ALL gchar * g_variant_dup_string (GVariant *value, gsize *length); GLIB_AVAILABLE_IN_ALL const gchar ** g_variant_get_strv (GVariant *value, gsize *length); GLIB_AVAILABLE_IN_ALL gchar ** g_variant_dup_strv (GVariant *value, gsize *length); GLIB_AVAILABLE_IN_2_30 const gchar ** g_variant_get_objv (GVariant *value, gsize *length); GLIB_AVAILABLE_IN_ALL gchar ** g_variant_dup_objv (GVariant *value, gsize *length); GLIB_AVAILABLE_IN_ALL const gchar * g_variant_get_bytestring (GVariant *value); GLIB_AVAILABLE_IN_ALL gchar * g_variant_dup_bytestring (GVariant *value, gsize *length); GLIB_AVAILABLE_IN_ALL const gchar ** g_variant_get_bytestring_array (GVariant *value, gsize *length); GLIB_AVAILABLE_IN_ALL gchar ** g_variant_dup_bytestring_array (GVariant *value, gsize *length); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_maybe (const GVariantType *child_type, GVariant *child); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_array (const GVariantType *child_type, GVariant * const *children, gsize n_children); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_tuple (GVariant * const *children, gsize n_children); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_dict_entry (GVariant *key, GVariant *value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_get_maybe (GVariant *value); GLIB_AVAILABLE_IN_ALL gsize g_variant_n_children (GVariant *value); GLIB_AVAILABLE_IN_ALL void g_variant_get_child (GVariant *value, gsize index_, const gchar *format_string, ...); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_get_child_value (GVariant *value, gsize index_); GLIB_AVAILABLE_IN_ALL gboolean g_variant_lookup (GVariant *dictionary, const gchar *key, const gchar *format_string, ...); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_lookup_value (GVariant *dictionary, const gchar *key, const GVariantType *expected_type); GLIB_AVAILABLE_IN_ALL gconstpointer g_variant_get_fixed_array (GVariant *value, gsize *n_elements, gsize element_size); GLIB_AVAILABLE_IN_ALL gsize g_variant_get_size (GVariant *value); GLIB_AVAILABLE_IN_ALL gconstpointer g_variant_get_data (GVariant *value); GLIB_AVAILABLE_IN_2_36 GBytes * g_variant_get_data_as_bytes (GVariant *value); GLIB_AVAILABLE_IN_ALL void g_variant_store (GVariant *value, gpointer data); GLIB_AVAILABLE_IN_ALL gchar * g_variant_print (GVariant *value, gboolean type_annotate); GLIB_AVAILABLE_IN_ALL GString * g_variant_print_string (GVariant *value, GString *string, gboolean type_annotate); GLIB_AVAILABLE_IN_ALL guint g_variant_hash (gconstpointer value); GLIB_AVAILABLE_IN_ALL gboolean g_variant_equal (gconstpointer one, gconstpointer two); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_get_normal_form (GVariant *value); GLIB_AVAILABLE_IN_ALL gboolean g_variant_is_normal_form (GVariant *value); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_byteswap (GVariant *value); GLIB_AVAILABLE_IN_2_36 GVariant * g_variant_new_from_bytes (const GVariantType *type, GBytes *bytes, gboolean trusted); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_from_data (const GVariantType *type, gconstpointer data, gsize size, gboolean trusted, GDestroyNotify notify, gpointer user_data); typedef struct _GVariantIter GVariantIter; struct _GVariantIter { /*< private >*/ gsize x[16]; }; GLIB_AVAILABLE_IN_ALL GVariantIter * g_variant_iter_new (GVariant *value); GLIB_AVAILABLE_IN_ALL gsize g_variant_iter_init (GVariantIter *iter, GVariant *value); GLIB_AVAILABLE_IN_ALL GVariantIter * g_variant_iter_copy (GVariantIter *iter); GLIB_AVAILABLE_IN_ALL gsize g_variant_iter_n_children (GVariantIter *iter); GLIB_AVAILABLE_IN_ALL void g_variant_iter_free (GVariantIter *iter); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_iter_next_value (GVariantIter *iter); GLIB_AVAILABLE_IN_ALL gboolean g_variant_iter_next (GVariantIter *iter, const gchar *format_string, ...); GLIB_AVAILABLE_IN_ALL gboolean g_variant_iter_loop (GVariantIter *iter, const gchar *format_string, ...); typedef struct _GVariantBuilder GVariantBuilder; struct _GVariantBuilder { /*< private >*/ union { struct { gsize partial_magic; const GVariantType *type; gsize y[14]; } s; gsize x[16]; } u; }; typedef enum { G_VARIANT_PARSE_ERROR_FAILED, G_VARIANT_PARSE_ERROR_BASIC_TYPE_EXPECTED, G_VARIANT_PARSE_ERROR_CANNOT_INFER_TYPE, G_VARIANT_PARSE_ERROR_DEFINITE_TYPE_EXPECTED, G_VARIANT_PARSE_ERROR_INPUT_NOT_AT_END, G_VARIANT_PARSE_ERROR_INVALID_CHARACTER, G_VARIANT_PARSE_ERROR_INVALID_FORMAT_STRING, G_VARIANT_PARSE_ERROR_INVALID_OBJECT_PATH, G_VARIANT_PARSE_ERROR_INVALID_SIGNATURE, G_VARIANT_PARSE_ERROR_INVALID_TYPE_STRING, G_VARIANT_PARSE_ERROR_NO_COMMON_TYPE, G_VARIANT_PARSE_ERROR_NUMBER_OUT_OF_RANGE, G_VARIANT_PARSE_ERROR_NUMBER_TOO_BIG, G_VARIANT_PARSE_ERROR_TYPE_ERROR, G_VARIANT_PARSE_ERROR_UNEXPECTED_TOKEN, G_VARIANT_PARSE_ERROR_UNKNOWN_KEYWORD, G_VARIANT_PARSE_ERROR_UNTERMINATED_STRING_CONSTANT, G_VARIANT_PARSE_ERROR_VALUE_EXPECTED } GVariantParseError; #define G_VARIANT_PARSE_ERROR (g_variant_parse_error_quark ()) GLIB_DEPRECATED_IN_2_38_FOR(g_variant_parse_error_quark) GQuark g_variant_parser_get_error_quark (void); GLIB_AVAILABLE_IN_ALL GQuark g_variant_parse_error_quark (void); /** * G_VARIANT_BUILDER_INIT: * @variant_type: a const GVariantType* * * A stack-allocated #GVariantBuilder must be initialized if it is * used together with g_auto() to avoid warnings or crashes if * function returns before g_variant_builder_init() is called on the * builder. This macro can be used as initializer instead of an * explicit zeroing a variable when declaring it and a following * g_variant_builder_init(), but it cannot be assigned to a variable. * * The passed @variant_type should be a static GVariantType to avoid * lifetime issues, as copying the @variant_type does not happen in * the G_VARIANT_BUILDER_INIT() call, but rather in functions that * make sure that #GVariantBuilder is valid. * * |[ * g_auto(GVariantBuilder) builder = G_VARIANT_BUILDER_INIT (G_VARIANT_TYPE_BYTESTRING); * ]| * * Since: 2.50 */ #define G_VARIANT_BUILDER_INIT(variant_type) { { { 2942751021u, variant_type, { 0, } } } } GLIB_AVAILABLE_IN_ALL GVariantBuilder * g_variant_builder_new (const GVariantType *type); GLIB_AVAILABLE_IN_ALL void g_variant_builder_unref (GVariantBuilder *builder); GLIB_AVAILABLE_IN_ALL GVariantBuilder * g_variant_builder_ref (GVariantBuilder *builder); GLIB_AVAILABLE_IN_ALL void g_variant_builder_init (GVariantBuilder *builder, const GVariantType *type); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_builder_end (GVariantBuilder *builder); GLIB_AVAILABLE_IN_ALL void g_variant_builder_clear (GVariantBuilder *builder); GLIB_AVAILABLE_IN_ALL void g_variant_builder_open (GVariantBuilder *builder, const GVariantType *type); GLIB_AVAILABLE_IN_ALL void g_variant_builder_close (GVariantBuilder *builder); GLIB_AVAILABLE_IN_ALL void g_variant_builder_add_value (GVariantBuilder *builder, GVariant *value); GLIB_AVAILABLE_IN_ALL void g_variant_builder_add (GVariantBuilder *builder, const gchar *format_string, ...); GLIB_AVAILABLE_IN_ALL void g_variant_builder_add_parsed (GVariantBuilder *builder, const gchar *format, ...); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new (const gchar *format_string, ...); GLIB_AVAILABLE_IN_ALL void g_variant_get (GVariant *value, const gchar *format_string, ...); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_va (const gchar *format_string, const gchar **endptr, va_list *app); GLIB_AVAILABLE_IN_ALL void g_variant_get_va (GVariant *value, const gchar *format_string, const gchar **endptr, va_list *app); GLIB_AVAILABLE_IN_2_34 gboolean g_variant_check_format_string (GVariant *value, const gchar *format_string, gboolean copy_only); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_parse (const GVariantType *type, const gchar *text, const gchar *limit, const gchar **endptr, GError **error); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_parsed (const gchar *format, ...); GLIB_AVAILABLE_IN_ALL GVariant * g_variant_new_parsed_va (const gchar *format, va_list *app); GLIB_AVAILABLE_IN_2_40 gchar * g_variant_parse_error_print_context (GError *error, const gchar *source_str); GLIB_AVAILABLE_IN_ALL gint g_variant_compare (gconstpointer one, gconstpointer two); typedef struct _GVariantDict GVariantDict; struct _GVariantDict { /*< private >*/ union { struct { GVariant *asv; gsize partial_magic; gsize y[14]; } s; gsize x[16]; } u; }; /** * G_VARIANT_DICT_INIT: * @asv: (nullable): a GVariant* * * A stack-allocated #GVariantDict must be initialized if it is used * together with g_auto() to avoid warnings or crashes if function * returns before g_variant_dict_init() is called on the builder. * This macro can be used as initializer instead of an explicit * zeroing a variable when declaring it and a following * g_variant_dict_init(), but it cannot be assigned to a variable. * * The passed @asv has to live long enough for #GVariantDict to gather * the entries from, as the gathering does not happen in the * G_VARIANT_DICT_INIT() call, but rather in functions that make sure * that #GVariantDict is valid. In context where the initialization * value has to be a constant expression, the only possible value of * @asv is %NULL. It is still possible to call g_variant_dict_init() * safely with a different @asv right after the variable was * initialized with G_VARIANT_DICT_INIT(). * * |[ * g_autoptr(GVariant) variant = get_asv_variant (); * g_auto(GVariantDict) dict = G_VARIANT_DICT_INIT (variant); * ]| * * Since: 2.50 */ #define G_VARIANT_DICT_INIT(asv) { { { asv, 3488698669u, { 0, } } } } GLIB_AVAILABLE_IN_2_40 GVariantDict * g_variant_dict_new (GVariant *from_asv); GLIB_AVAILABLE_IN_2_40 void g_variant_dict_init (GVariantDict *dict, GVariant *from_asv); GLIB_AVAILABLE_IN_2_40 gboolean g_variant_dict_lookup (GVariantDict *dict, const gchar *key, const gchar *format_string, ...); GLIB_AVAILABLE_IN_2_40 GVariant * g_variant_dict_lookup_value (GVariantDict *dict, const gchar *key, const GVariantType *expected_type); GLIB_AVAILABLE_IN_2_40 gboolean g_variant_dict_contains (GVariantDict *dict, const gchar *key); GLIB_AVAILABLE_IN_2_40 void g_variant_dict_insert (GVariantDict *dict, const gchar *key, const gchar *format_string, ...); GLIB_AVAILABLE_IN_2_40 void g_variant_dict_insert_value (GVariantDict *dict, const gchar *key, GVariant *value); GLIB_AVAILABLE_IN_2_40 gboolean g_variant_dict_remove (GVariantDict *dict, const gchar *key); GLIB_AVAILABLE_IN_2_40 void g_variant_dict_clear (GVariantDict *dict); GLIB_AVAILABLE_IN_2_40 GVariant * g_variant_dict_end (GVariantDict *dict); GLIB_AVAILABLE_IN_2_40 GVariantDict * g_variant_dict_ref (GVariantDict *dict); GLIB_AVAILABLE_IN_2_40 void g_variant_dict_unref (GVariantDict *dict); G_END_DECLS #endif /* __G_VARIANT_H__ */