gvaluetransform.c

嵌入式下基于MiniGUI的Web Browser

/* GObject - GLib Type, Object, Parameter and Signal Library
 * Copyright (C) 2001 Red Hat, Inc.
 *
 * 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 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, write to the
 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */
#include        <string.h>

#include        "gvalue.h"
#include        "genums.h"
#include        "glibconfig.h" /* G_G[U]INT64_FORMAT */


/* same type transforms
 */
static void
value_transform_memcpy_data0 (const GValue *src_value,
                              GValue       *dest_value)
{
  memcpy (&dest_value->data[0], &src_value->data[0], sizeof (src_value->data[0]));
}
#define value_transform_int_int         value_transform_memcpy_data0
#define value_transform_uint_uint       value_transform_memcpy_data0
#define value_transform_long_long       value_transform_memcpy_data0
#define value_transform_ulong_ulong     value_transform_memcpy_data0
#define value_transform_int64_int64     value_transform_memcpy_data0
#define value_transform_uint64_uint64   value_transform_memcpy_data0
#define value_transform_int64_int64     value_transform_memcpy_data0
#define value_transform_uint64_uint64   value_transform_memcpy_data0
#define value_transform_float_float     value_transform_memcpy_data0
#define value_transform_double_double   value_transform_memcpy_data0


/* numeric casts
 */
#define DEFINE_CAST(func_name, from_member, ctype, to_member)               \
static void                                                                 \
value_transform_##func_name (const GValue *src_value,                       \
                             GValue       *dest_value)                      \
{                                                                           \
  ctype c_value = src_value->data[0].from_member;                           \
  dest_value->data[0].to_member = c_value;                                  \
} extern void glib_dummy_decl (void)
DEFINE_CAST (int_s8,            v_int,    gint8,   v_int);
DEFINE_CAST (int_u8,            v_int,    guint8,  v_uint);
DEFINE_CAST (int_uint,          v_int,    guint,   v_uint);
DEFINE_CAST (int_long,          v_int,    glong,   v_long);
DEFINE_CAST (int_ulong,         v_int,    gulong,  v_ulong);
DEFINE_CAST (int_int64,         v_int,    gint64,  v_int64);
DEFINE_CAST (int_uint64,        v_int,    guint64, v_uint64);
DEFINE_CAST (int_float,         v_int,    gfloat,  v_float);
DEFINE_CAST (int_double,        v_int,    gdouble, v_double);
DEFINE_CAST (uint_s8,           v_uint,   gint8,   v_int);
DEFINE_CAST (uint_u8,           v_uint,   guint8,  v_uint);
DEFINE_CAST (uint_int,          v_uint,   gint,    v_int);
DEFINE_CAST (uint_long,         v_uint,   glong,   v_long);
DEFINE_CAST (uint_ulong,        v_uint,   gulong,  v_ulong);
DEFINE_CAST (uint_int64,        v_uint,   gint64,  v_int64);
DEFINE_CAST (uint_uint64,       v_uint,   guint64, v_uint64);
DEFINE_CAST (uint_float,        v_uint,   gfloat,  v_float);
DEFINE_CAST (uint_double,       v_uint,   gdouble, v_double);
DEFINE_CAST (long_s8,           v_long,   gint8,   v_int);
DEFINE_CAST (long_u8,           v_long,   guint8,  v_uint);
DEFINE_CAST (long_int,          v_long,   gint,    v_int);
DEFINE_CAST (long_uint,         v_long,   guint,   v_uint);
DEFINE_CAST (long_ulong,        v_long,   gulong,  v_ulong);
DEFINE_CAST (long_int64,        v_long,   gint64,  v_int64);
DEFINE_CAST (long_uint64,       v_long,   guint64, v_uint64);
DEFINE_CAST (long_float,        v_long,   gfloat,  v_float);
DEFINE_CAST (long_double,       v_long,   gdouble, v_double);
DEFINE_CAST (ulong_s8,          v_ulong,  gint8,   v_int);
DEFINE_CAST (ulong_u8,          v_ulong,  guint8,  v_uint);
DEFINE_CAST (ulong_int,         v_ulong,  gint,    v_int);
DEFINE_CAST (ulong_uint,        v_ulong,  guint,   v_uint);
DEFINE_CAST (ulong_int64,       v_ulong,  gint64,  v_int64);
DEFINE_CAST (ulong_uint64,      v_ulong,  guint64, v_uint64);
DEFINE_CAST (ulong_long,        v_ulong,  glong,   v_long);
DEFINE_CAST (ulong_float,       v_ulong,  gfloat,  v_float);
DEFINE_CAST (ulong_double,      v_ulong,  gdouble, v_double);
DEFINE_CAST (int64_s8,          v_int64,  gint8,   v_int);
DEFINE_CAST (int64_u8,          v_int64,  guint8,  v_uint);
DEFINE_CAST (int64_int,         v_int64,  gint,    v_int);
DEFINE_CAST (int64_uint,        v_int64,  guint,   v_uint);
DEFINE_CAST (int64_long,        v_int64,  glong,   v_long);
DEFINE_CAST (int64_uint64,      v_int64,  guint64, v_uint64);
DEFINE_CAST (int64_ulong,       v_int64,  gulong,  v_ulong);
DEFINE_CAST (int64_float,       v_int64,  gfloat,  v_float);
DEFINE_CAST (int64_double,      v_int64,  gdouble, v_double);
DEFINE_CAST (uint64_s8,         v_uint64, gint8,   v_int);
DEFINE_CAST (uint64_u8,         v_uint64, guint8,  v_uint);
DEFINE_CAST (uint64_int,        v_uint64, gint,    v_int);
DEFINE_CAST (uint64_uint,       v_uint64, guint,   v_uint);
DEFINE_CAST (uint64_long,       v_uint64, glong,   v_long);
DEFINE_CAST (uint64_ulong,      v_uint64, gulong,  v_ulong);
DEFINE_CAST (uint64_int64,      v_uint64, gint64,  v_int64);
#ifdef _MSC_VER
/* work around error C2520: conversion from unsigned __int64 to double
 * not implemented, use signed __int64
 * If it is supported don't miss to g_value_register_transform_func() below
 */
#pragma message ("Check if cast from uint64 to double is supported with msvc 6.0")
#else
DEFINE_CAST (uint64_float,      v_uint64, gfloat,  v_float);
DEFINE_CAST (uint64_double,     v_uint64, gdouble, v_double);
#endif
DEFINE_CAST (float_s8,          v_float,  gint8,   v_int);
DEFINE_CAST (float_u8,          v_float,  guint8,  v_uint);
DEFINE_CAST (float_int,         v_float,  gint,    v_int);
DEFINE_CAST (float_uint,        v_float,  guint,   v_uint);
DEFINE_CAST (float_long,        v_float,  glong,   v_long);
DEFINE_CAST (float_ulong,       v_float,  gulong,  v_ulong);
DEFINE_CAST (float_int64,       v_float,  gint64,  v_int64);
DEFINE_CAST (float_uint64,      v_float,  guint64, v_uint64);
DEFINE_CAST (float_double,      v_float,  gdouble, v_double);
DEFINE_CAST (double_s8,         v_double, gint8,   v_int);
DEFINE_CAST (double_u8,         v_double, guint8,  v_uint);
DEFINE_CAST (double_int,        v_double, gint,    v_int);
DEFINE_CAST (double_uint,       v_double, guint,   v_uint);
DEFINE_CAST (double_long,       v_double, glong,   v_long);
DEFINE_CAST (double_ulong,      v_double, gulong,  v_ulong);
DEFINE_CAST (double_int64,      v_double, gint64,  v_int64);
DEFINE_CAST (double_uint64,     v_double, guint64, v_uint64);
DEFINE_CAST (double_float,      v_double, gfloat,  v_float);


/* boolean assignments
 */
#define DEFINE_BOOL_CHECK(func_name, from_member)                           \
static void                                                                 \
value_transform_##func_name (const GValue *src_value,                       \
                             GValue       *dest_value)                      \
{                                                                           \
  dest_value->data[0].v_int = src_value->data[0].from_member != 0;  \
} extern void glib_dummy_decl (void)
DEFINE_BOOL_CHECK (int_bool,    v_int);
DEFINE_BOOL_CHECK (uint_bool,   v_uint);
DEFINE_BOOL_CHECK (long_bool,   v_long);
DEFINE_BOOL_CHECK (ulong_bool,  v_uint);
DEFINE_BOOL_CHECK (int64_bool,  v_int64);