static void
check_dirname (const char *filename,
const char *dirname)
{
DBusString f, d;
_dbus_string_init_const (&f, filename);
if (!_dbus_string_init (&d))
_dbus_assert_not_reached ("no memory");
if (!_dbus_string_get_dirname (&f, &d))
_dbus_assert_not_reached ("no memory");
if (!_dbus_string_equal_c_str (&d, dirname))
{
_dbus_warn ("For filename \"%s\" got dirname \"%s\" and expected \"%s\"\n",
filename,
_dbus_string_get_const_data (&d),
dirname);
exit (1);
}
_dbus_string_free (&d);
}
BusConfigParser*
bus_config_load (const DBusString *file,
dbus_bool_t is_toplevel,
const BusConfigParser *parent,
DBusError *error)
{
xmlTextReader *reader;
BusConfigParser *parser;
DBusString dirname, data;
DBusError tmp_error;
int ret;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
parser = NULL;
reader = NULL;
if (!_dbus_string_init (&dirname))
{
_DBUS_SET_OOM (error);
return NULL;
}
if (!_dbus_string_init (&data))
{
_DBUS_SET_OOM (error);
_dbus_string_free (&dirname);
return NULL;
}
if (is_toplevel)
{
/* xmlMemSetup only fails if one of the functions is NULL */
/*
xmlMemSetup (dbus_free,
dbus_malloc,
dbus_realloc,
_dbus_strdup);
*/
xmlInitParser ();
xmlSetGenericErrorFunc (NULL, xml_shut_up);
}
if (!_dbus_string_get_dirname (file, &dirname))
{
_DBUS_SET_OOM (error);
goto failed;
}
parser = bus_config_parser_new (&dirname, is_toplevel, parent);
if (parser == NULL)
{
_DBUS_SET_OOM (error);
goto failed;
}
if (!_dbus_file_get_contents (&data, file, error))
goto failed;
reader = xmlReaderForMemory (_dbus_string_get_const_data (&data),
_dbus_string_get_length (&data),
NULL, NULL, 0);
if (reader == NULL)
{
_DBUS_SET_OOM (error);
goto failed;
}
xmlTextReaderSetParserProp (reader, XML_PARSER_SUBST_ENTITIES, 1);
dbus_error_init (&tmp_error);
xmlTextReaderSetStructuredErrorHandler (reader, xml_text_reader_error, &tmp_error);
while ((ret = xmlTextReaderRead (reader)) == 1)
{
int type;
if (dbus_error_is_set (&tmp_error))
goto reader_out;
type = xmlTextReaderNodeType (reader);
if (type == -1)
{
_DBUS_MAYBE_SET_OOM (&tmp_error);
goto reader_out;
}
switch ((xmlReaderTypes) type) {
case XML_READER_TYPE_ELEMENT:
xml_text_start_element (parser, reader, &tmp_error);
break;
case XML_READER_TYPE_TEXT:
case XML_READER_TYPE_CDATA:
{
DBusString content;
const char *value;
#ifdef __SYMBIAN32__
value = (const char *) xmlTextReaderConstValue (reader);
#else
value = xmlTextReaderConstValue (reader);
#endif
if (value != NULL)
{
_dbus_string_init_const (&content, value);
bus_config_parser_content (parser, &content, &tmp_error);
}
else
_DBUS_MAYBE_SET_OOM (&tmp_error);
break;
}
case XML_READER_TYPE_DOCUMENT_TYPE:
{
const char *name;
#ifdef __SYMBIAN32__
name = (const char *) xmlTextReaderConstName (reader);
#else
name = xmlTextReaderConstName (reader);
#endif
if (name != NULL)
bus_config_parser_check_doctype (parser, name, &tmp_error);
else
_DBUS_MAYBE_SET_OOM (&tmp_error);
break;
}
case XML_READER_TYPE_END_ELEMENT:
{
const char *name;
#ifdef __SYMBIAN32__
name = (const char *) xmlTextReaderConstName (reader);
#else
name = xmlTextReaderConstName (reader);
#endif
if (name != NULL)
bus_config_parser_end_element (parser, name, &tmp_error);
else
_DBUS_MAYBE_SET_OOM (&tmp_error);
break;
}
case XML_READER_TYPE_DOCUMENT:
case XML_READER_TYPE_DOCUMENT_FRAGMENT:
case XML_READER_TYPE_PROCESSING_INSTRUCTION:
case XML_READER_TYPE_COMMENT:
case XML_READER_TYPE_ENTITY:
case XML_READER_TYPE_NOTATION:
case XML_READER_TYPE_WHITESPACE:
case XML_READER_TYPE_SIGNIFICANT_WHITESPACE:
case XML_READER_TYPE_END_ENTITY:
case XML_READER_TYPE_XML_DECLARATION:
/* nothing to do, just read on */
break;
case XML_READER_TYPE_NONE:
case XML_READER_TYPE_ATTRIBUTE:
case XML_READER_TYPE_ENTITY_REFERENCE:
_dbus_assert_not_reached ("unexpected nodes in XML");
}
if (dbus_error_is_set (&tmp_error))
goto reader_out;
}
if (ret == -1)
_DBUS_MAYBE_SET_OOM (&tmp_error);
reader_out:
xmlFreeTextReader (reader);
reader = NULL;
if (dbus_error_is_set (&tmp_error))
{
dbus_move_error (&tmp_error, error);
goto failed;
}
if (!bus_config_parser_finished (parser, error))
goto failed;
_dbus_string_free (&dirname);
_dbus_string_free (&data);
if (is_toplevel)
xmlCleanupParser();
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
return parser;
failed:
_DBUS_ASSERT_ERROR_IS_SET (error);
_dbus_string_free (&dirname);
_dbus_string_free (&data);
if (is_toplevel)
xmlCleanupParser();
if (parser)
bus_config_parser_unref (parser);
_dbus_assert (reader == NULL); /* must go to reader_out first */
return NULL;
}
