gvaluetransform.c

嵌入式下基于MiniGUI的Web Browser

DEFINE_BOOL_CHECK (uint64_bool, v_uint64);


/* string printouts
 */
#define DEFINE_SPRINTF(func_name, from_member, format)                      \
static void                                                                 \
value_transform_##func_name (const GValue *src_value,                       \
                             GValue       *dest_value)                      \
{                                                                           \
  dest_value->data[0].v_pointer = g_strdup_printf ((format),                \
						   src_value->data[0].from_member);             \
} extern void glib_dummy_decl (void)
DEFINE_SPRINTF (int_string,     v_int,    "%d");
DEFINE_SPRINTF (uint_string,    v_uint,   "%u");
DEFINE_SPRINTF (long_string,    v_long,   "%ld");
DEFINE_SPRINTF (ulong_string,   v_ulong,  "%lu");
#ifdef G_GINT64_FORMAT
DEFINE_SPRINTF (int64_string,   v_int64,  "%" G_GINT64_FORMAT);
#endif
#ifdef G_GUINT64_FORMAT
DEFINE_SPRINTF (uint64_string,  v_uint64, "%" G_GUINT64_FORMAT);
#endif
DEFINE_SPRINTF (float_string,   v_float,  "%f");
DEFINE_SPRINTF (double_string,  v_double, "%f");


/* special cases
 */
static void
value_transform_bool_string (const GValue *src_value,
                             GValue       *dest_value)
{
  dest_value->data[0].v_pointer = g_strdup_printf ("%s",
                                                   src_value->data[0].v_int ?
                                                   "TRUE" : "FALSE");
}
static void
value_transform_string_string (const GValue *src_value,
                               GValue       *dest_value)
{
  dest_value->data[0].v_pointer = g_strdup (src_value->data[0].v_pointer);
}
static void
value_transform_enum_string (const GValue *src_value,
                             GValue       *dest_value)
{
  GEnumClass *class = g_type_class_ref (G_VALUE_TYPE (src_value));
  GEnumValue *enum_value = g_enum_get_value (class, src_value->data[0].v_int);
  
  if (enum_value)
    dest_value->data[0].v_pointer = g_strdup (enum_value->value_name);
  else
    dest_value->data[0].v_pointer = g_strdup_printf ("%d", src_value->data[0].v_int);
  
  g_type_class_unref (class);
}
static void
value_transform_flags_string (const GValue *src_value,
                              GValue       *dest_value)
{
  GFlagsClass *class = g_type_class_ref (G_VALUE_TYPE (src_value));
  GFlagsValue *flags_value = g_flags_get_first_value (class, src_value->data[0].v_uint);
  
  if (flags_value)
    {
      GString *gstring = g_string_new ("");
      guint v_flags = src_value->data[0].v_uint;
      
      do
        {
          v_flags &= ~flags_value->value;
          
          if (gstring->str[0])
            g_string_append (gstring, " | ");
          g_string_append (gstring, flags_value->value_name);
          flags_value = g_flags_get_first_value (class, v_flags);
        }
      while (flags_value);
      
      if (v_flags)
        dest_value->data[0].v_pointer = g_strdup_printf ("%s | %u",
                                                         gstring->str,
                                                         v_flags);
      else
        dest_value->data[0].v_pointer = g_strdup (gstring->str);
      g_string_free (gstring, TRUE);
    }
  else
    dest_value->data[0].v_pointer = g_strdup_printf ("%u", src_value->data[0].v_uint);
  
  g_type_class_unref (class);
}


/* registration
 */
void
g_value_transforms_init (void)          /* sync with gtype.c */
{
  /* some transformations are a bit questionable,
   * we currently skip those
   */
#define SKIP____register_transform_func(type1,type2,transform_func)     /* skip questionable transforms */ \
  (void)0
  
  /* numeric types (plus to string) */
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_CHAR,            value_transform_int_int);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_UCHAR,           value_transform_int_u8);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_BOOLEAN,         value_transform_int_bool);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_INT,             value_transform_int_int);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_UINT,            value_transform_int_uint);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_LONG,            value_transform_int_long);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_ULONG,           value_transform_int_ulong);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_INT64,           value_transform_int_int64);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_UINT64,          value_transform_int_uint64);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_ENUM,            value_transform_int_int);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_FLAGS,           value_transform_int_uint);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_FLOAT,           value_transform_int_float);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_DOUBLE,          value_transform_int_double);
  g_value_register_transform_func (G_TYPE_CHAR,         G_TYPE_STRING,          value_transform_int_string);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_CHAR,            value_transform_uint_s8);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_UCHAR,           value_transform_uint_uint);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_BOOLEAN,         value_transform_uint_bool);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_INT,             value_transform_uint_int);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_UINT,            value_transform_uint_uint);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_LONG,            value_transform_uint_long);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_ULONG,           value_transform_uint_ulong);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_INT64,           value_transform_uint_int64);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_UINT64,          value_transform_uint_uint64);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_ENUM,            value_transform_uint_int);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_FLAGS,           value_transform_uint_uint);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_FLOAT,           value_transform_uint_float);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_DOUBLE,          value_transform_uint_double);
  g_value_register_transform_func (G_TYPE_UCHAR,        G_TYPE_STRING,          value_transform_uint_string);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_CHAR,            value_transform_int_s8);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_UCHAR,           value_transform_int_u8);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_BOOLEAN,         value_transform_int_int);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_INT,             value_transform_int_int);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_UINT,            value_transform_int_uint);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_LONG,            value_transform_int_long);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_ULONG,           value_transform_int_ulong);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_INT64,           value_transform_int_int64);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_UINT64,          value_transform_int_uint64);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_ENUM,            value_transform_int_int);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_FLAGS,           value_transform_int_uint);
  SKIP____register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_FLOAT,           value_transform_int_float);
  SKIP____register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_DOUBLE,          value_transform_int_double);
  g_value_register_transform_func (G_TYPE_BOOLEAN,      G_TYPE_STRING,          value_transform_bool_string);
  g_value_register_transform_func (G_TYPE_INT,          G_TYPE_CHAR,            value_transform_int_s8);
  g_value_register_transform_func (G_TYPE_INT,          G_TYPE_UCHAR,           value_transform_int_u8);