//-----------------------------------------
bool RngValidator::run(const std::string& xml_file_pathname, const std::string& rng_file_pathname)
//-----------------------------------------
{
// TODO handle multiple RNG files (eg viz)
// RELAX NG Parser Context
xmlRelaxNGParserCtxtPtr ctxt = xmlRelaxNGNewParserCtxt(rng_file_pathname.c_str());
xmlRelaxNGSetParserErrors(ctxt,
(xmlRelaxNGValidityErrorFunc)RngValidator::rngErr,
(xmlRelaxNGValidityWarningFunc)RngValidator::rngWarn,
NULL);
xmlRelaxNGPtr schema = xmlRelaxNGParse(ctxt);
xmlRelaxNGFreeParserCtxt(ctxt);
xmlTextReaderPtr reader = xmlNewTextReaderFilename(xml_file_pathname.c_str());
xmlTextReaderRelaxNGSetSchema(reader, schema);
xmlTextReaderSetErrorHandler(reader, (xmlTextReaderErrorFunc)RngValidator::readerErr, NULL);
xmlTextReaderSetStructuredErrorHandler(reader, (xmlStructuredErrorFunc)RngValidator::structErr, NULL);
while (xmlTextReaderRead(reader));
const bool valid = xmlTextReaderIsValid(reader) == 1;
xmlFreeTextReader(reader);
xmlRelaxNGFree(schema);
return valid;
}
static gboolean
file_parse (gchar *filename,
GtkSourceLanguage *language,
GtkSourceContextData *ctx_data,
GHashTable *defined_regexes,
GHashTable *styles,
GHashTable *loaded_lang_ids,
GQueue *replacements,
GError **error)
{
ParserState *parser_state;
xmlTextReader *reader = NULL;
int fd = -1;
GError *tmp_error = NULL;
GtkSourceLanguageManager *lm;
const gchar *rng_lang_schema;
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
DEBUG (g_message ("loading file '%s'", filename));
/*
* Use fd instead of filename so that it's utf8 safe on w32.
*/
fd = g_open (filename, O_RDONLY, 0);
if (fd != -1)
reader = xmlReaderForFd (fd, filename, NULL, 0);
if (reader == NULL)
{
g_set_error (&tmp_error,
PARSER_ERROR,
PARSER_ERROR_CANNOT_OPEN,
"unable to open the file");
goto error;
}
lm = _gtk_source_language_get_language_manager (language);
rng_lang_schema = _gtk_source_language_manager_get_rng_file (lm);
if (rng_lang_schema == NULL)
{
g_set_error (&tmp_error,
PARSER_ERROR,
PARSER_ERROR_CANNOT_VALIDATE,
"could not find the RelaxNG schema file");
goto error;
}
if (xmlTextReaderRelaxNGValidate (reader, rng_lang_schema))
{
g_set_error (&tmp_error,
PARSER_ERROR,
PARSER_ERROR_CANNOT_VALIDATE,
"unable to load the RelaxNG schema '%s'",
rng_lang_schema);
goto error;
}
parser_state = parser_state_new (language, ctx_data,
defined_regexes, styles,
replacements, reader,
filename, loaded_lang_ids);
xmlTextReaderSetStructuredErrorHandler (reader,
(xmlStructuredErrorFunc) text_reader_structured_error_func,
parser_state);
while ((parser_state->error == NULL) &&
(1 == xmlTextReaderRead (parser_state->reader)))
{
int type;
/* FIXME: does xmlTextReaderRead already do it? */
xmlTextReaderIsValid (parser_state->reader);
if (parser_state->error != NULL)
break;
type = xmlTextReaderNodeType (parser_state->reader);
switch (type)
{
case XML_READER_TYPE_ELEMENT:
element_start (parser_state);
break;
case XML_READER_TYPE_END_ELEMENT:
element_end (parser_state);
break;
}
}
if (parser_state->error != NULL)
{
g_propagate_error (&tmp_error, parser_state->error);
parser_state->error = NULL;
}
parser_state_destroy (parser_state);
if (tmp_error != NULL)
goto error;
close (fd);
return TRUE;
error:
if (fd != -1)
close (fd);
g_propagate_error (error, tmp_error);
return FALSE;
}
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;
}
