/*
* 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;
}
/*
* Called from the xml parser.
* Here is where we begin parsing <application>... or <instance>...
* or <adaptor>...
*/
static void createElement(XMLCDocument *document, const XMLCCharacter *name, const unsigned int length)
{
WOXMLEdits *config = (WOXMLEdits *)document;
if (config->error != 0) /* would be nice to tell parser to stop */
return;
config->errorLocation = name;
if (length == 7 && strncasecmp(name, "adaptor", length) == 0)
{
/* do nothing; don't generate a warning */
} else if (length == 11 && strncasecmp(name, "application", length) == 0) {
/* begin <application> */
if (config->current_element != NULL) {
WOLog(WO_ERR,"Error parsing config: found unexpected <application> tag");
config->error = 1;
return;
}
/* create new app settings dictionary, instance list, and set current_element to the app dictionary*/
config->current_app = st_new(8);
wolist_add(config->new_apps, config->current_app);
config->current_app_instances = wolist_new(8);
wolist_add(config->new_app_instances, config->current_app_instances);
config->current_element = config->current_app;
} else if (length == 8 && strncasecmp(name, "instance", length) == 0) {
/* begin <instance> */
if (config->current_element != config->current_app || config->current_app == NULL) {
WOLog(WO_ERR,"Error parsing config: found unexpected <instance> tag");
config->error = 1;
return;
}
/* create new instance settings dictionary and set current_element to point to it */
config->current_instance = st_new(8);
wolist_add(config->current_app_instances, config->current_instance);
config->current_element = config->current_instance;
} else {
/* Got something unexpected. Ignore the tag. */
char *buffer = WOMALLOC(length+1);
strncpy(buffer,name,length);
buffer[length] = '\0';
WOLog(WO_WARN,"Unknown tag in XML: \"%s\"",buffer);
config->current_element = NULL;
WOFREE(buffer);
}
return;
}
void *sha_setLocalDataForKey(ShmemArray *array, unsigned int elementNumber, const char *key, void *data, sha_clearLocalDataCallback clearCallback)
{
void *oldValue = NULL;
if (elementNumber < array->elementCount)
{
if (!array->elements[elementNumber].localData)
array->elements[elementNumber].localData = sd_new(1);
oldValue = sd_add(array->elements[elementNumber].localData, key, data);
if (clearCallback != NULL)
{
if (!array->elements[elementNumber].localDataCleanupCallbacks)
array->elements[elementNumber].localDataCleanupCallbacks = wolist_new(1);
if (wolist_indexOf(array->elements[elementNumber].localDataCleanupCallbacks, (void *)clearCallback) == wolist_elementNotFound)
wolist_add(array->elements[elementNumber].localDataCleanupCallbacks, (void *)clearCallback);
}
}
return oldValue;
}
