gobject/gvaluetransform.c

   1 /* GObject - GLib Type, Object, Parameter and Signal Library
   2  * Copyright (C) 2001 Red Hat, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General
  15  * Public License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19 #include        <string.h>
  20
  21 #include        "gvalue.h"
  22 #include        "genums.h"
  23
  24
  25 /* same type transforms
  26  */
  27 static void
  28 value_transform_memcpy_data0 (const GValue *src_value,
  29                               GValue       *dest_value)
  30 {
  31   memcpy (&dest_value->data[0], &src_value->data[0], sizeof (src_value->data[0]));
  32 }
  33 #define value_transform_int_int         value_transform_memcpy_data0
  34 #define value_transform_uint_uint       value_transform_memcpy_data0
  35 #define value_transform_long_long       value_transform_memcpy_data0
  36 #define value_transform_ulong_ulong     value_transform_memcpy_data0
  37 #define value_transform_float_float     value_transform_memcpy_data0
  38 #define value_transform_double_double   value_transform_memcpy_data0
  39
  40
  41 /* numeric casts
  42  */
  43 #define DEFINE_CAST(func_name, from_member, ctype, to_member)                   \
  44     static void                                                                 \
  45     value_transform_##func_name (const GValue *src_value,                       \
  46                                  GValue       *dest_value)                      \
  47     {                                                                           \
  48       ctype c_value = src_value->data[0].from_member;                           \
  49       dest_value->data[0].to_member = c_value;                                  \
  50     }
  51 DEFINE_CAST (int_s8,            v_int,    gint8,   v_int);
  52 DEFINE_CAST (int_u8,            v_int,    guint8,  v_uint);
  53 DEFINE_CAST (int_uint,          v_int,    guint,   v_uint);
  54 DEFINE_CAST (int_long,          v_int,    glong,   v_long);
  55 DEFINE_CAST (int_ulong,         v_int,    gulong,  v_ulong);
  56 DEFINE_CAST (int_float,         v_int,    gfloat,  v_float);
  57 DEFINE_CAST (int_double,        v_int,    gdouble, v_double);
  58 DEFINE_CAST (uint_s8,           v_uint,   gint8,   v_int);
  59 DEFINE_CAST (uint_u8,           v_uint,   guint8,  v_uint);
  60 DEFINE_CAST (uint_int,          v_uint,   gint,    v_int);
  61 DEFINE_CAST (uint_long,         v_uint,   glong,   v_long);
  62 DEFINE_CAST (uint_ulong,        v_uint,   gulong,  v_ulong);
  63 DEFINE_CAST (uint_float,        v_uint,   gfloat,  v_float);
  64 DEFINE_CAST (uint_double,       v_uint,   gdouble, v_double);
  65 DEFINE_CAST (long_s8,           v_long,   gint8,   v_int);
  66 DEFINE_CAST (long_u8,           v_long,   guint8,  v_uint);
  67 DEFINE_CAST (long_int,          v_long,   gint,    v_int);
  68 DEFINE_CAST (long_uint,         v_long,   guint,   v_uint);
  69 DEFINE_CAST (long_ulong,        v_long,   gulong,  v_ulong);
  70 DEFINE_CAST (long_float,        v_long,   gfloat,  v_float);
  71 DEFINE_CAST (long_double,       v_long,   gdouble, v_double);
  72 DEFINE_CAST (ulong_s8,          v_ulong,  gint8,   v_int);
  73 DEFINE_CAST (ulong_u8,          v_ulong,  guint8,  v_uint);
  74 DEFINE_CAST (ulong_int,         v_ulong,  gint,    v_int);
  75 DEFINE_CAST (ulong_uint,        v_ulong,  guint,   v_uint);
  76 DEFINE_CAST (ulong_long,        v_ulong,  glong,   v_long);
  77 DEFINE_CAST (ulong_float,       v_ulong,  gfloat,  v_float);
  78 DEFINE_CAST (ulong_double,      v_ulong,  gdouble, v_double);
  79 DEFINE_CAST (float_s8,          v_float,  gint8,   v_int);
  80 DEFINE_CAST (float_u8,          v_float,  guint8,  v_uint);
  81 DEFINE_CAST (float_int,         v_float,  gint,    v_int);
  82 DEFINE_CAST (float_uint,        v_float,  guint,   v_uint);
  83 DEFINE_CAST (float_long,        v_float,  glong,   v_long);
  84 DEFINE_CAST (float_ulong,       v_float,  gulong,  v_ulong);
  85 DEFINE_CAST (float_double,      v_float,  gdouble, v_double);
  86 DEFINE_CAST (double_s8,         v_double, gint8,   v_int);
  87 DEFINE_CAST (double_u8,         v_double, guint8,  v_uint);
  88 DEFINE_CAST (double_int,        v_double, gint,    v_int);
  89 DEFINE_CAST (double_uint,       v_double, guint,   v_uint);
  90 DEFINE_CAST (double_long,       v_double, glong,   v_long);
  91 DEFINE_CAST (double_ulong,      v_double, gulong,  v_ulong);
  92 DEFINE_CAST (double_float,      v_double, gfloat,  v_float);
  93
  94
  95 /* boolean assignments
  96  */
  97 #define DEFINE_BOOL_CHECK(func_name, from_member)                               \
  98     static void                                                                 \
  99     value_transform_##func_name (const GValue *src_value,                       \
 100                                  GValue       *dest_value)                      \
 101     {                                                                           \
 102       dest_value->data[0].v_int = src_value->data[0].from_member != 0;  \
 103     }
 104 DEFINE_BOOL_CHECK (int_bool,    v_int);
 105 DEFINE_BOOL_CHECK (uint_bool,   v_uint);
 106 DEFINE_BOOL_CHECK (long_bool,   v_long);
 107 DEFINE_BOOL_CHECK (ulong_bool,  v_uint);
 108
 109
 110 /* string printouts
 111  */
 112 #define DEFINE_SPRINTF(func_name, from_member, format)                          \
 113     static void                                                                 \
 114     value_transform_##func_name (const GValue *src_value,                       \
 115                                  GValue       *dest_value)                      \
 116     {                                                                           \
 117       dest_value->data[0].v_pointer =                                           \
 118         g_strdup_printf ((format), src_value->data[0].from_member);             \
 119     }
 120 DEFINE_SPRINTF (int_string,     v_int,    "%d");
 121 DEFINE_SPRINTF (uint_string,    v_uint,   "%u");
 122 DEFINE_SPRINTF (long_string,    v_long,   "%ld");
 123 DEFINE_SPRINTF (ulong_string,   v_ulong,  "%lu");
 124 DEFINE_SPRINTF (float_string,   v_float,  "%f");
 125 DEFINE_SPRINTF (double_string,  v_double, "%f");
 126
 127
 128 /* special cases
 129  */
 130 static void
 131 value_transform_bool_string (const GValue *src_value,
 132                              GValue       *dest_value)
 133 {
 134   dest_value->data[0].v_pointer = g_strdup_printf ("%s",
 135                                                    src_value->data[0].v_int ?
 136                                                    "TRUE" : "FALSE");
 137 }
 138 static void
 139 value_transform_string_string (const GValue *src_value,
 140                                GValue       *dest_value)
 141 {
 142   dest_value->data[0].v_pointer = g_strdup (src_value->data[0].v_pointer);
 143 }
 144 static void
 145 value_transform_enum_string (const GValue *src_value,
 146                              GValue       *dest_value)
 147 {
 148   GEnumClass *class = g_type_class_ref (G_VALUE_TYPE (src_value));
 149   GEnumValue *enum_value = g_enum_get_value (class, src_value->data[0].v_int);
 150
 151   if (enum_value)
 152     dest_value->data[0].v_pointer = g_strdup (enum_value->value_name);
 153   else
 154     dest_value->data[0].v_pointer = g_strdup_printf ("%d", src_value->data[0].v_int);
 155
 156   g_type_class_unref (class);
 157 }
 158 static void
 159 value_transform_flags_string (const GValue *src_value,
 160                               GValue       *dest_value)
 161 {
 162   GFlagsClass *class = g_type_class_ref (G_VALUE_TYPE (src_value));
 163   GFlagsValue *flags_value = g_flags_get_first_value (class, src_value->data[0].v_uint);
 164
 165   if (flags_value)
 166     {
 167       GString *gstring = g_string_new ("");
 168       guint v_flags = src_value->data[0].v_uint;
 169
 170       do
 171         {
 172           v_flags &= ~flags_value->value;
 173
 174           if (gstring->str[0])
 175             g_string_append (gstring, " | ");
 176           g_string_append (gstring, flags_value->value_name);
 177           flags_value = g_flags_get_first_value (class, v_flags);
 178         }
 179       while (flags_value);
 180
 181       if (v_flags)
 182         dest_value->data[0].v_pointer = g_strdup_printf ("%s | %u",
 183                                                          gstring->str,
 184                                                          v_flags);
 185       else
 186         dest_value->data[0].v_pointer = g_strdup (gstring->str);
 187       g_string_free (gstring, TRUE);
 188     }
 189   else
 190     dest_value->data[0].v_pointer = g_strdup_printf ("%u", src_value->data[0].v_uint);
 191
 192   g_type_class_unref (class);
 193 }
 194
 195
 196 /* registration
 197  */
 198 void
 199 g_value_transforms_init (void)          /* sync with gtype.c */
 200 {
 201   /* some transformations are a bit questionable,
 202    * we currently skip those
 203    */
 204 #define SKIP____register_transform_func(type1,type2,transform_func)     /* skip questionable transforms */
 205
 206   /* numeric types (plus to string) */
 207   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_CHAR,            value_transform_int_int);
 208   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_UCHAR,           value_transform_int_u8);
 209   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_BOOLEAN,         value_transform_int_bool);
 210   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_INT,             value_transform_int_int);
 211   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_UINT,            value_transform_int_uint);
 212   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_LONG,            value_transform_int_long);
 213   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_ULONG,           value_transform_int_ulong);
 214   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_ENUM,            value_transform_int_int);
 215   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_FLAGS,           value_transform_int_uint);
 216   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_FLOAT,           value_transform_int_float);
 217   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_DOUBLE,          value_transform_int_double);
 218   g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_STRING,          value_transform_int_string);
 219   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_CHAR,            value_transform_uint_s8);
 220   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_UCHAR,           value_transform_uint_uint);
 221   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_BOOLEAN,         value_transform_uint_bool);
 222   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_INT,             value_transform_uint_int);
 223   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_UINT,            value_transform_uint_uint);
 224   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_LONG,            value_transform_uint_long);
 225   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_ULONG,           value_transform_uint_ulong);
 226   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_ENUM,            value_transform_uint_int);
 227   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_FLAGS,           value_transform_uint_uint);
 228   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_FLOAT,           value_transform_uint_float);
 229   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_DOUBLE,          value_transform_uint_double);
 230   g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_STRING,          value_transform_uint_string);
 231   g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_CHAR,            value_transform_int_s8);
 232   g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_UCHAR,           value_transform_int_u8);
 233   g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_BOOLEAN,         value_transform_int_int);
 234   g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_INT,             value_transform_int_int);
 235   g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_UINT,            value_transform_int_uint);
 236   g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_LONG,            value_transform_int_long);
 237   g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_ULONG,           value_transform_int_ulong);
 238   g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_ENUM,            value_transform_int_int);
 239   g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_FLAGS,           value_transform_int_uint);
 240   SKIP____register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_FLOAT,           value_transform_int_float);
 241   SKIP____register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_DOUBLE,          value_transform_int_double);
 242   g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_STRING,          value_transform_bool_string);
 243   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_CHAR,            value_transform_int_s8);
 244   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_UCHAR,           value_transform_int_u8);
 245   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_BOOLEAN,         value_transform_int_bool);
 246   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_INT,             value_transform_int_int);
 247   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_UINT,            value_transform_int_uint);
 248   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_LONG,            value_transform_int_long);
 249   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_ULONG,           value_transform_int_ulong);
 250   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_ENUM,            value_transform_int_int);
 251   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_FLAGS,           value_transform_int_uint);
 252   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_FLOAT,           value_transform_int_float);
 253   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_DOUBLE,          value_transform_int_double);
 254   g_value_register_transform_func (G_TYPE_INT,          G_TYPE_STRING,          value_transform_int_string);
 255   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_CHAR,            value_transform_uint_s8);
 256   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_UCHAR,           value_transform_uint_u8);
 257   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_BOOLEAN,         value_transform_uint_bool);
 258   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_INT,             value_transform_uint_int);
 259   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_UINT,            value_transform_uint_uint);
 260   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_LONG,            value_transform_uint_long);
 261   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_ULONG,           value_transform_uint_ulong);
 262   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_ENUM,            value_transform_uint_int);
 263   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_FLAGS,           value_transform_uint_uint);
 264   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_FLOAT,           value_transform_uint_float);
 265   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_DOUBLE,          value_transform_uint_double);
 266   g_value_register_transform_func (G_TYPE_UINT,         G_TYPE_STRING,          value_transform_uint_string);
 267   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_CHAR,            value_transform_long_s8);
 268   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_UCHAR,           value_transform_long_u8);
 269   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_BOOLEAN,         value_transform_long_bool);
 270   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_INT,             value_transform_long_int);
 271   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_UINT,            value_transform_long_uint);
 272   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_LONG,            value_transform_long_long);
 273   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_ULONG,           value_transform_long_ulong);
 274   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_ENUM,            value_transform_long_int);
 275   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_FLAGS,           value_transform_long_uint);
 276   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_FLOAT,           value_transform_long_float);
 277   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_DOUBLE,          value_transform_long_double);
 278   g_value_register_transform_func (G_TYPE_LONG,         G_TYPE_STRING,          value_transform_long_string);
 279   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_CHAR,            value_transform_ulong_s8);
 280   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_UCHAR,           value_transform_ulong_u8);
 281   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_BOOLEAN,         value_transform_ulong_bool);
 282   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_INT,             value_transform_ulong_int);
 283   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_UINT,            value_transform_ulong_uint);
 284   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_LONG,            value_transform_ulong_long);
 285   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_ULONG,           value_transform_ulong_ulong);
 286   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_ENUM,            value_transform_ulong_int);
 287   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_FLAGS,           value_transform_ulong_uint);
 288   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_FLOAT,           value_transform_ulong_float);
 289   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_DOUBLE,          value_transform_ulong_double);
 290   g_value_register_transform_func (G_TYPE_ULONG,        G_TYPE_STRING,          value_transform_ulong_string);
 291   g_value_register_transform_func (G_TYPE_ENUM,         G_TYPE_CHAR,            value_transform_int_s8);
 292   g_value_register_transform_func (G_TYPE_ENUM,         G_TYPE_UCHAR,           value_transform_int_u8);
 293   SKIP____register_transform_func (G_TYPE_ENUM,         G_TYPE_BOOLEAN,         value_transform_int_bool);
 294   g_value_register_transform_func (G_TYPE_ENUM,         G_TYPE_INT,             value_transform_int_int);
 295   g_value_register_transform_func (G_TYPE_ENUM,         G_TYPE_UINT,            value_transform_int_uint);
 296   g_value_register_transform_func (G_TYPE_ENUM,         G_TYPE_LONG,            value_transform_int_long);
 297   g_value_register_transform_func (G_TYPE_ENUM,         G_TYPE_ULONG,           value_transform_int_ulong);
 298   g_value_register_transform_func (G_TYPE_ENUM,         G_TYPE_ENUM,            value_transform_int_int);
 299   g_value_register_transform_func (G_TYPE_ENUM,         G_TYPE_FLAGS,           value_transform_int_uint);
 300   SKIP____register_transform_func (G_TYPE_ENUM,         G_TYPE_FLOAT,           value_transform_int_float);
 301   SKIP____register_transform_func (G_TYPE_ENUM,         G_TYPE_DOUBLE,          value_transform_int_double);
 302   g_value_register_transform_func (G_TYPE_ENUM,         G_TYPE_STRING,          value_transform_enum_string);
 303   g_value_register_transform_func (G_TYPE_FLAGS,        G_TYPE_CHAR,            value_transform_uint_s8);
 304   g_value_register_transform_func (G_TYPE_FLAGS,        G_TYPE_UCHAR,           value_transform_uint_u8);
 305   SKIP____register_transform_func (G_TYPE_FLAGS,        G_TYPE_BOOLEAN,         value_transform_uint_bool);
 306   g_value_register_transform_func (G_TYPE_FLAGS,        G_TYPE_INT,             value_transform_uint_int);
 307   g_value_register_transform_func (G_TYPE_FLAGS,        G_TYPE_UINT,            value_transform_uint_uint);
 308   g_value_register_transform_func (G_TYPE_FLAGS,        G_TYPE_LONG,            value_transform_uint_long);
 309   g_value_register_transform_func (G_TYPE_FLAGS,        G_TYPE_ULONG,           value_transform_uint_ulong);
 310   SKIP____register_transform_func (G_TYPE_FLAGS,        G_TYPE_ENUM,            value_transform_uint_int);
 311   g_value_register_transform_func (G_TYPE_FLAGS,        G_TYPE_FLAGS,           value_transform_uint_uint);
 312   SKIP____register_transform_func (G_TYPE_FLAGS,        G_TYPE_FLOAT,           value_transform_uint_float);
 313   SKIP____register_transform_func (G_TYPE_FLAGS,        G_TYPE_DOUBLE,          value_transform_uint_double);
 314   g_value_register_transform_func (G_TYPE_FLAGS,        G_TYPE_STRING,          value_transform_flags_string);
 315   g_value_register_transform_func (G_TYPE_FLOAT,        G_TYPE_CHAR,            value_transform_float_s8);
 316   g_value_register_transform_func (G_TYPE_FLOAT,        G_TYPE_UCHAR,           value_transform_float_u8);
 317   SKIP____register_transform_func (G_TYPE_FLOAT,        G_TYPE_BOOLEAN,         value_transform_float_bool);
 318   g_value_register_transform_func (G_TYPE_FLOAT,        G_TYPE_INT,             value_transform_float_int);
 319   g_value_register_transform_func (G_TYPE_FLOAT,        G_TYPE_UINT,            value_transform_float_uint);
 320   g_value_register_transform_func (G_TYPE_FLOAT,        G_TYPE_LONG,            value_transform_float_long);
 321   g_value_register_transform_func (G_TYPE_FLOAT,        G_TYPE_ULONG,           value_transform_float_ulong);
 322   SKIP____register_transform_func (G_TYPE_FLOAT,        G_TYPE_ENUM,            value_transform_float_int);
 323   SKIP____register_transform_func (G_TYPE_FLOAT,        G_TYPE_FLAGS,           value_transform_float_uint);
 324   g_value_register_transform_func (G_TYPE_FLOAT,        G_TYPE_FLOAT,           value_transform_float_float);
 325   g_value_register_transform_func (G_TYPE_FLOAT,        G_TYPE_DOUBLE,          value_transform_float_double);
 326   g_value_register_transform_func (G_TYPE_FLOAT,        G_TYPE_STRING,          value_transform_float_string);
 327   g_value_register_transform_func (G_TYPE_DOUBLE,       G_TYPE_CHAR,            value_transform_double_s8);
 328   g_value_register_transform_func (G_TYPE_DOUBLE,       G_TYPE_UCHAR,           value_transform_double_u8);
 329   SKIP____register_transform_func (G_TYPE_DOUBLE,       G_TYPE_BOOLEAN,         value_transform_double_bool);
 330   g_value_register_transform_func (G_TYPE_DOUBLE,       G_TYPE_INT,             value_transform_double_int);
 331   g_value_register_transform_func (G_TYPE_DOUBLE,       G_TYPE_UINT,            value_transform_double_uint);
 332   g_value_register_transform_func (G_TYPE_DOUBLE,       G_TYPE_LONG,            value_transform_double_long);
 333   g_value_register_transform_func (G_TYPE_DOUBLE,       G_TYPE_ULONG,           value_transform_double_ulong);
 334   SKIP____register_transform_func (G_TYPE_DOUBLE,       G_TYPE_ENUM,            value_transform_double_int);
 335   SKIP____register_transform_func (G_TYPE_DOUBLE,       G_TYPE_FLAGS,           value_transform_double_uint);
 336   g_value_register_transform_func (G_TYPE_DOUBLE,       G_TYPE_FLOAT,           value_transform_double_float);
 337   g_value_register_transform_func (G_TYPE_DOUBLE,       G_TYPE_DOUBLE,          value_transform_double_double);
 338   g_value_register_transform_func (G_TYPE_DOUBLE,       G_TYPE_STRING,          value_transform_double_string);
 339   /* string types */
 340   g_value_register_transform_func (G_TYPE_STRING,       G_TYPE_STRING,          value_transform_string_string);
 341 }