glib/gvariant.h

   1 /*
   2  * Copyright © 2007, 2008 Ryan Lortie
   3  * Copyright © 2009, 2010 Codethink Limited
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the licence, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Author: Ryan Lortie <desrt@desrt.ca>
  21  */
  22
  23 #if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  24 #error "Only <glib.h> can be included directly."
  25 #endif
  26
  27 #ifndef __G_VARIANT_H__
  28 #define __G_VARIANT_H__
  29
  30 #include <glib/gvarianttype.h>
  31 #include <glib/gstring.h>
  32
  33 G_BEGIN_DECLS
  34
  35 typedef struct _GVariant        GVariant;
  36
  37 typedef enum
  38 {
  39   G_VARIANT_CLASS_BOOLEAN       = 'b',
  40   G_VARIANT_CLASS_BYTE          = 'y',
  41   G_VARIANT_CLASS_INT16         = 'n',
  42   G_VARIANT_CLASS_UINT16        = 'q',
  43   G_VARIANT_CLASS_INT32         = 'i',
  44   G_VARIANT_CLASS_UINT32        = 'u',
  45   G_VARIANT_CLASS_INT64         = 'x',
  46   G_VARIANT_CLASS_UINT64        = 't',
  47   G_VARIANT_CLASS_HANDLE        = 'h',
  48   G_VARIANT_CLASS_DOUBLE        = 'd',
  49   G_VARIANT_CLASS_STRING        = 's',
  50   G_VARIANT_CLASS_OBJECT_PATH   = 'o',
  51   G_VARIANT_CLASS_SIGNATURE     = 'g',
  52   G_VARIANT_CLASS_VARIANT       = 'v',
  53   G_VARIANT_CLASS_MAYBE         = 'm',
  54   G_VARIANT_CLASS_ARRAY         = 'a',
  55   G_VARIANT_CLASS_TUPLE         = '(',
  56   G_VARIANT_CLASS_DICT_ENTRY    = '{'
  57 } GVariantClass;
  58
  59 void                            g_variant_unref                         (GVariant             *value);
  60 GVariant *                      g_variant_ref                           (GVariant             *value);
  61 GVariant *                      g_variant_ref_sink                      (GVariant             *value);
  62 gboolean                        g_variant_is_floating                   (GVariant             *value);
  63
  64 const GVariantType *            g_variant_get_type                      (GVariant             *value);
  65 const gchar *                   g_variant_get_type_string               (GVariant             *value);
  66 gboolean                        g_variant_is_of_type                    (GVariant             *value,
  67                                                                          const GVariantType   *type);
  68 gboolean                        g_variant_is_container                  (GVariant             *value);
  69 GVariantClass                   g_variant_classify                      (GVariant             *value);
  70 GVariant *                      g_variant_new_boolean                   (gboolean              boolean);
  71 GVariant *                      g_variant_new_byte                      (guchar                byte);
  72 GVariant *                      g_variant_new_int16                     (gint16                int16);
  73 GVariant *                      g_variant_new_uint16                    (guint16               uint16);
  74 GVariant *                      g_variant_new_int32                     (gint32                int32);
  75 GVariant *                      g_variant_new_uint32                    (guint32               uint32);
  76 GVariant *                      g_variant_new_int64                     (gint64                int64);
  77 GVariant *                      g_variant_new_uint64                    (guint64               uint64);
  78 GVariant *                      g_variant_new_handle                    (gint32                handle);
  79 GVariant *                      g_variant_new_double                    (gdouble               floating);
  80 GVariant *                      g_variant_new_string                    (const gchar          *string);
  81 GVariant *                      g_variant_new_object_path               (const gchar          *object_path);
  82 gboolean                        g_variant_is_object_path                (const gchar          *string);
  83 GVariant *                      g_variant_new_signature                 (const gchar          *signature);
  84 gboolean                        g_variant_is_signature                  (const gchar          *string);
  85 GVariant *                      g_variant_new_variant                   (GVariant             *value);
  86 GVariant *                      g_variant_new_strv                      (const gchar * const  *strv,
  87                                                                          gssize                length);
  88 GVariant *                      g_variant_new_bytestring                (const gchar          *string);
  89 GVariant *                      g_variant_new_bytestring_array          (const gchar * const  *strv,
  90                                                                          gssize                length);
  91
  92 gboolean                        g_variant_get_boolean                   (GVariant             *value);
  93 guchar                          g_variant_get_byte                      (GVariant             *value);
  94 gint16                          g_variant_get_int16                     (GVariant             *value);
  95 guint16                         g_variant_get_uint16                    (GVariant             *value);
  96 gint32                          g_variant_get_int32                     (GVariant             *value);
  97 guint32                         g_variant_get_uint32                    (GVariant             *value);
  98 gint64                          g_variant_get_int64                     (GVariant             *value);
  99 guint64                         g_variant_get_uint64                    (GVariant             *value);
 100 gint32                          g_variant_get_handle                    (GVariant             *value);
 101 gdouble                         g_variant_get_double                    (GVariant             *value);
 102 GVariant *                      g_variant_get_variant                   (GVariant             *value);
 103 const gchar *                   g_variant_get_string                    (GVariant             *value,
 104                                                                          gsize                *length);
 105 gchar *                         g_variant_dup_string                    (GVariant             *value,
 106                                                                          gsize                *length);
 107 const gchar **                  g_variant_get_strv                      (GVariant             *value,
 108                                                                          gsize                *length);
 109 gchar **                        g_variant_dup_strv                      (GVariant             *value,
 110                                                                          gsize                *length);
 111 const gchar *                   g_variant_get_bytestring                (GVariant             *value);
 112 gchar *                         g_variant_dup_bytestring                (GVariant             *value,
 113                                                                          gsize                *length);
 114 const gchar **                  g_variant_get_bytestring_array          (GVariant             *value,
 115                                                                          gsize                *length);
 116 gchar **                        g_variant_dup_bytestring_array          (GVariant             *value,
 117                                                                          gsize                *length);
 118
 119 GVariant *                      g_variant_new_maybe                     (const GVariantType   *child_type,
 120                                                                          GVariant             *child);
 121 GVariant *                      g_variant_new_array                     (const GVariantType   *child_type,
 122                                                                          GVariant * const     *children,
 123                                                                          gsize                 n_children);
 124 GVariant *                      g_variant_new_tuple                     (GVariant * const     *children,
 125                                                                          gsize                 n_children);
 126 GVariant *                      g_variant_new_dict_entry                (GVariant             *key,
 127                                                                          GVariant             *value);
 128
 129 GVariant *                      g_variant_get_maybe                     (GVariant             *value);
 130 gsize                           g_variant_n_children                    (GVariant             *value);
 131 void                            g_variant_get_child                     (GVariant             *value,
 132                                                                          gsize                 index_,
 133                                                                          const gchar          *format_string,
 134                                                                          ...);
 135 GVariant *                      g_variant_get_child_value               (GVariant             *value,
 136                                                                          gsize                 index_);
 137 gconstpointer                   g_variant_get_fixed_array               (GVariant             *value,
 138                                                                          gsize                *n_elements,
 139                                                                          gsize                 element_size);
 140
 141 gsize                           g_variant_get_size                      (GVariant             *value);
 142 gconstpointer                   g_variant_get_data                      (GVariant             *value);
 143 void                            g_variant_store                         (GVariant             *value,
 144                                                                          gpointer              data);
 145
 146 gchar *                         g_variant_print                         (GVariant             *value,
 147                                                                          gboolean              type_annotate);
 148 GString *                       g_variant_print_string                  (GVariant             *value,
 149                                                                          GString              *string,
 150                                                                          gboolean              type_annotate);
 151
 152 guint                           g_variant_hash                          (gconstpointer         value);
 153 gboolean                        g_variant_equal                         (gconstpointer         one,
 154                                                                          gconstpointer         two);
 155
 156 GVariant *                      g_variant_get_normal_form               (GVariant             *value);
 157 gboolean                        g_variant_is_normal_form                (GVariant             *value);
 158 GVariant *                      g_variant_byteswap                      (GVariant             *value);
 159 GVariant *                      g_variant_new_from_data                 (const GVariantType   *type,
 160                                                                          gconstpointer         data,
 161                                                                          gsize                 size,
 162                                                                          gboolean              trusted,
 163                                                                          GDestroyNotify        notify,
 164                                                                          gpointer              user_data);
 165
 166 typedef struct _GVariantIter GVariantIter;
 167 struct _GVariantIter {
 168   /*< private >*/
 169   gsize x[16];
 170 };
 171
 172 GVariantIter *                  g_variant_iter_new                      (GVariant             *value);
 173 gsize                           g_variant_iter_init                     (GVariantIter         *iter,
 174                                                                          GVariant             *value);
 175 GVariantIter *                  g_variant_iter_copy                     (GVariantIter         *iter);
 176 gsize                           g_variant_iter_n_children               (GVariantIter         *iter);
 177 void                            g_variant_iter_free                     (GVariantIter         *iter);
 178 GVariant *                      g_variant_iter_next_value               (GVariantIter         *iter);
 179 gboolean                        g_variant_iter_next                     (GVariantIter         *iter,
 180                                                                          const gchar          *format_string,
 181                                                                          ...);
 182 gboolean                        g_variant_iter_loop                     (GVariantIter         *iter,
 183                                                                          const gchar          *format_string,
 184                                                                          ...);
 185
 186
 187 typedef struct _GVariantBuilder GVariantBuilder;
 188 struct _GVariantBuilder {
 189   /*< private >*/
 190   gsize x[16];
 191 };
 192
 193 typedef enum
 194 {
 195   G_VARIANT_PARSE_ERROR_FAILED
 196 } GVariantParseError;
 197 #define G_VARIANT_PARSE_ERROR (g_variant_parser_get_error_quark ())
 198
 199 GQuark                          g_variant_parser_get_error_quark        (void);
 200
 201 GVariantBuilder *               g_variant_builder_new                   (const GVariantType   *type);
 202 void                            g_variant_builder_unref                 (GVariantBuilder      *builder);
 203 GVariantBuilder *               g_variant_builder_ref                   (GVariantBuilder      *builder);
 204 void                            g_variant_builder_init                  (GVariantBuilder      *builder,
 205                                                                          const GVariantType   *type);
 206 GVariant *                      g_variant_builder_end                   (GVariantBuilder      *builder);
 207 void                            g_variant_builder_clear                 (GVariantBuilder      *builder);
 208 void                            g_variant_builder_open                  (GVariantBuilder      *builder,
 209                                                                          const GVariantType   *type);
 210 void                            g_variant_builder_close                 (GVariantBuilder      *builder);
 211 void                            g_variant_builder_add_value             (GVariantBuilder      *builder,
 212                                                                          GVariant             *value);
 213 void                            g_variant_builder_add                   (GVariantBuilder      *builder,
 214                                                                          const gchar          *format_string,
 215                                                                          ...);
 216 void                            g_variant_builder_add_parsed            (GVariantBuilder      *builder,
 217                                                                          const gchar          *format,
 218                                                                          ...);
 219
 220 GVariant *                      g_variant_new                           (const gchar          *format_string,
 221                                                                          ...);
 222 void                            g_variant_get                           (GVariant             *value,
 223                                                                          const gchar          *format_string,
 224                                                                          ...);
 225 GVariant *                      g_variant_new_va                        (const gchar          *format_string,
 226                                                                          const gchar         **endptr,
 227                                                                          va_list              *app);
 228 void                            g_variant_get_va                        (GVariant             *value,
 229                                                                          const gchar          *format_string,
 230                                                                          const gchar         **endptr,
 231                                                                          va_list              *app);
 232
 233
 234 GVariant *                      g_variant_parse                         (const GVariantType   *type,
 235                                                                          const gchar          *text,
 236                                                                          const gchar          *limit,
 237                                                                          const gchar         **endptr,
 238                                                                          GError              **error);
 239 GVariant *                      g_variant_new_parsed                    (const gchar          *format,
 240                                                                          ...);
 241 GVariant *                      g_variant_new_parsed_va                 (const gchar          *format,
 242                                                                          va_list              *app);
 243
 244 gint                            g_variant_compare                       (gconstpointer one,
 245                                                                          gconstpointer two);
 246 G_END_DECLS
 247
 248 #endif /* __G_VARIANT_H__ */