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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2009 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.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include <config.h>
#include <gio/gio.h>
#include <string.h>
#include "gvfsfileinfo.h"
static void
put_string (GDataOutputStream *out,
const char *str)
{
gsize len;
len = strlen (str);
if (len > G_MAXUINT16)
{
g_warning ("GFileInfo string to large, (%d bytes)\n", (int)len);
len = 0;
str = "";
}
g_data_output_stream_put_uint16 (out, len,
NULL, NULL);
g_data_output_stream_put_string (out, str, NULL, NULL);
}
static char *
read_string (GDataInputStream *in)
{
gsize len;
char *str;
len = g_data_input_stream_read_uint16 (in, NULL, NULL);
str = g_malloc (len + 1);
g_input_stream_read_all (G_INPUT_STREAM (in), str, len, &len, NULL, NULL);
str[len] = 0;
return str;
}
char *
gvfs_file_info_marshal (GFileInfo *info,
gsize *size)
{
GOutputStream *memstream;
GDataOutputStream *out;
GFileAttributeType type;
GFileAttributeStatus status;
GObject *obj;
char **attrs, *attr;
char *data;
int i;
memstream = g_memory_output_stream_new (NULL, 0, g_realloc, NULL);
out = g_data_output_stream_new (memstream);
g_object_unref (memstream);
attrs = g_file_info_list_attributes (info, NULL);
g_data_output_stream_put_uint32 (out,
g_strv_length (attrs),
NULL, NULL);
for (i = 0; attrs[i] != NULL; i++)
{
attr = attrs[i];
type = g_file_info_get_attribute_type (info, attr);
status = g_file_info_get_attribute_status (info, attr);
put_string (out, attr);
g_data_output_stream_put_byte (out, type,
NULL, NULL);
g_data_output_stream_put_byte (out, status,
NULL, NULL);
switch (type)
{
case G_FILE_ATTRIBUTE_TYPE_STRING:
put_string (out, g_file_info_get_attribute_string (info, attr));
break;
case G_FILE_ATTRIBUTE_TYPE_BYTE_STRING:
put_string (out, g_file_info_get_attribute_byte_string (info, attr));
break;
case G_FILE_ATTRIBUTE_TYPE_BOOLEAN:
g_data_output_stream_put_byte (out,
g_file_info_get_attribute_boolean (info, attr),
NULL, NULL);
break;
case G_FILE_ATTRIBUTE_TYPE_UINT32:
g_data_output_stream_put_uint32 (out,
g_file_info_get_attribute_uint32 (info, attr),
NULL, NULL);
break;
case G_FILE_ATTRIBUTE_TYPE_INT32:
g_data_output_stream_put_int32 (out,
g_file_info_get_attribute_int32 (info, attr),
NULL, NULL);
break;
case G_FILE_ATTRIBUTE_TYPE_UINT64:
g_data_output_stream_put_uint64 (out,
g_file_info_get_attribute_uint64 (info, attr),
NULL, NULL);
break;
case G_FILE_ATTRIBUTE_TYPE_INT64:
g_data_output_stream_put_int64 (out,
g_file_info_get_attribute_int64 (info, attr),
NULL, NULL);
break;
case G_FILE_ATTRIBUTE_TYPE_OBJECT:
obj = g_file_info_get_attribute_object (info, attr);
if (obj == NULL)
{
g_data_output_stream_put_byte (out, 0,
NULL, NULL);
}
else if (G_IS_ICON (obj))
{
char *icon_str;
icon_str = g_icon_to_string (G_ICON (obj));
g_data_output_stream_put_byte (out, 1,
NULL, NULL);
put_string (out, icon_str);
g_free (icon_str);
}
else
{
g_warning ("Unsupported GFileInfo object type %s\n",
g_type_name_from_instance ((GTypeInstance *)obj));
g_data_output_stream_put_byte (out, 0,
NULL, NULL);
}
break;
case G_FILE_ATTRIBUTE_TYPE_INVALID:
default:
break;
}
}
data = g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (memstream));
*size = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (memstream));
g_object_unref (out);
g_strfreev (attrs);
return data;
}
GFileInfo *
gvfs_file_info_demarshal (char *data,
gsize size)
{
guint32 num_attrs, i;
GInputStream *memstream;
GDataInputStream *in;
GFileInfo *info;
char *attr, *str;
GFileAttributeType type;
GFileAttributeStatus status;
GObject *obj;
int objtype;
memstream = g_memory_input_stream_new_from_data (data, size, NULL);
in = g_data_input_stream_new (memstream);
g_object_unref (memstream);
info = g_file_info_new ();
num_attrs = g_data_input_stream_read_uint32 (in, NULL, NULL);
for (i = 0; i < num_attrs; i++)
{
attr = read_string (in);
type = g_data_input_stream_read_byte (in, NULL, NULL);
status = g_data_input_stream_read_byte (in, NULL, NULL);
/* TODO: There is no way to set the status. This is required for
g_file_set_attributes_from_info() */
switch (type)
{
case G_FILE_ATTRIBUTE_TYPE_STRING:
str = read_string (in);
g_file_info_set_attribute_string (info, attr, str);
g_free (str);
break;
case G_FILE_ATTRIBUTE_TYPE_BYTE_STRING:
str = read_string (in);
g_file_info_set_attribute_byte_string (info, attr, str);
g_free (str);
break;
case G_FILE_ATTRIBUTE_TYPE_BOOLEAN:
g_file_info_set_attribute_boolean (info, attr,
g_data_input_stream_read_byte (in,
NULL,
NULL));
break;
case G_FILE_ATTRIBUTE_TYPE_UINT32:
g_file_info_set_attribute_uint32 (info, attr,
g_data_input_stream_read_uint32 (in,
NULL,
NULL));
break;
case G_FILE_ATTRIBUTE_TYPE_INT32:
g_file_info_set_attribute_int32 (info, attr,
g_data_input_stream_read_int32 (in,
NULL,
NULL));
break;
case G_FILE_ATTRIBUTE_TYPE_UINT64:
g_file_info_set_attribute_uint64 (info, attr,
g_data_input_stream_read_uint64 (in,
NULL,
NULL));
break;
case G_FILE_ATTRIBUTE_TYPE_INT64:
g_file_info_set_attribute_int64 (info, attr,
g_data_input_stream_read_int64 (in,
NULL,
NULL));
break;
case G_FILE_ATTRIBUTE_TYPE_OBJECT:
objtype = g_data_input_stream_read_byte (in, NULL, NULL);
obj = NULL;
if (objtype == 1)
{
char *icon_str;
icon_str = read_string (in);
obj = (GObject *)g_icon_new_for_string (icon_str, NULL);
g_free (icon_str);
}
else
{
g_warning ("Unsupported GFileInfo object type %d\n", objtype);
g_free (attr);
goto out;
}
g_file_info_set_attribute_object (info, attr, obj);
if (obj)
g_object_unref (obj);
break;
case G_FILE_ATTRIBUTE_TYPE_INVALID:
default:
g_warning ("Unsupported GFileInfo attribute type %d\n", type);
g_free (attr);
goto out;
break;
}
g_free (attr);
}
out:
g_object_unref (in);
return info;
}
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