void sha_clearLocalData(ShmemArray *array, unsigned int elementNumber)
{
int i;
if (elementNumber < array->elementCount)
{
if (array->elements[elementNumber].localData)
{
if (array->elements[elementNumber].localDataCleanupCallbacks != NULL)
{
for (i=wolist_count(array->elements[elementNumber].localDataCleanupCallbacks)-1; i>=0; i--)
{
sha_clearLocalDataCallback clear_func = (sha_clearLocalDataCallback) wolist_elementAt(array->elements[elementNumber].localDataCleanupCallbacks, i);
if (clear_func)
clear_func(array, elementNumber);
wolist_removeAt(array->elements[elementNumber].localDataCleanupCallbacks, i);
}
wolist_dealloc(array->elements[elementNumber].localDataCleanupCallbacks);
array->elements[elementNumber].localDataCleanupCallbacks = NULL;
}
sd_perform(array->elements[elementNumber].localData, sha_warnAboutLeftoverLocalData, 0);
sd_free(array->elements[elementNumber].localData);
array->elements[elementNumber].localData = NULL;
}
}
}
/*
* This function cleans up all the lists and dictionaries created while parsing the config.
*/
static void freeWOXMLEdits(WOXMLEdits *config)
{
int i;
for (i=0; i<wolist_count(config->new_apps); i++)
st_free(wolist_elementAt(config->new_apps, i));
wolist_dealloc(config->new_apps);
for (i=0; i<wolist_count(config->new_app_instances); i++)
{
int j;
list *instances = wolist_elementAt(config->new_app_instances, i);
for (j=0; j<wolist_count(instances); j++)
st_free(wolist_elementAt(instances, j));
wolist_dealloc(instances);
}
wolist_dealloc(config->new_app_instances);
}
/*
* The entry point for the parser.
* Returns nonzero if there was an error during parsing.
*/
static int xml_parseConfiguration(char *buf, int len)
{
XMLCDocumentHandler handler;
WOXMLEdits config;
XMLCParser *parser;
int error = 0, i;
/* initialize the config struct */
config.current_element = NULL;
config.new_apps = wolist_new(16);
config.current_app = NULL;
config.current_app_instances = NULL;
config.current_instance = NULL;
config.new_app_instances = wolist_new(16);
config.error = 0;
config.errorLocation = buf;
if (len == 0)
return 1; /* no content is considered an error */
/* Set up a new document handler struct for the parser */
memcpy(&handler, &_document, sizeof(XMLCDocumentHandler));
handler.document = (XMLCDocument *)(&config);
/* set up and invoke the xml parser */
parser = xmlcParserInit();
xmlcTokenizerSetBuffer(parser->tokenizer, buf, len);
xmlcParserSetPreserveWhiteSpace(parser, 0);
error = (int)xmlcParserParse(parser, &handler);
if (error != 0) {
/* config error */
WOLog(WO_ERR,"Error parsing configuration: %s", xmlcParserErrorDescription(error));
if ((intptr_t)config.errorLocation < (intptr_t)buf + len)
{
char *badconfig = WOMALLOC((len+1)*sizeof(char));
strncpy(badconfig, buf, len);
badconfig[len] = '\0';
WOLog(WO_ERR,"Error near:\n%s", config.errorLocation);
WOFREE(badconfig);
}
} else {
/*
* load the new settings...
*/
if (config.new_apps)
for (i=0; i<wolist_count(config.new_apps); i++)
ac_updateApplication((strtbl *)wolist_elementAt(config.new_apps, i), (list *)wolist_elementAt(config.new_app_instances, i));
}
/* clean up and return */
freeWOXMLEdits(&config);
xmlcParserDealloc(parser);
return error;
}