/**
* @brief Creates a tech group from an XML node.
*/
tech_group_t *tech_groupCreateXML( xmlNodePtr node )
{
tech_group_t *tech;
/* Load data. */
tech = tech_groupCreate();
tech_parseNodeData( tech, node );
return tech;
}
/**
* @brief Creates a tech group.
*/
tech_group_t *tech_groupCreate( xmlNodePtr node )
{
tech_group_t *tech;
/* Load data. */
tech = calloc( sizeof(tech_group_t), 1 );
tech_parseNodeData( tech, node );
return tech;
}
/**
* @brief Creates a tech group from an XML node.
*/
tech_group_t *tech_groupCreateXML( xmlNodePtr node )
{
tech_group_t *tech;
/* Load data. */
tech = tech_groupCreate();
tech_parseNodeData( tech, node );
if (tech->items == NULL) {
tech_groupDestroy(tech);
tech = NULL;
}
return tech;
}
/**
* @brief Loads the tech information.
*/
int tech_load (void)
{
int i, ret, s;
uint32_t bufsize;
char *buf, *data;
xmlNodePtr node, parent;
xmlDocPtr doc;
tech_group_t *tech;
/* Load the data. */
data = ndata_read( TECH_DATA, &bufsize );
if (data == NULL)
return -1;
/* Load the document. */
doc = xmlParseMemory( data, bufsize );
if (doc == NULL) {
WARN("'%s' is not a valid XML file.", TECH_DATA);
return -1;
}
/* Load root element. */
parent = doc->xmlChildrenNode;
if (!xml_isNode(parent,XML_TECH_ID)) {
WARN("Malformed "TECH_DATA" file: missing root element '"XML_TECH_ID"'");
return -1;
}
/* Get first node. */
node = parent->xmlChildrenNode;
if (node == NULL) {
WARN("Malformed "TECH_DATA" file: does not contain elements");
return -1;
}
/* Create the array. */
tech_groups = array_create( tech_group_t );
/* First pass create the groups - needed to reference them later. */
ret = 0;
tech = NULL;
do {
xml_onlyNodes(node);
/* Must match tag. */
if (!xml_isNode(node, XML_TECH_TAG)) {
WARN("'"XML_TECH_ID"' has unknown node '%s'.", node->name);
continue;
}
if (ret==0) /* Write over failures. */
tech = &array_grow( &tech_groups );
ret = tech_parseNode( tech, node );
} while (xml_nextNode(node));
array_shrink( &tech_groups );
/* Now we load the data. */
node = parent->xmlChildrenNode;
s = array_size( tech_groups );
do {
/* Must match tag. */
if (!xml_isNode(node, XML_TECH_TAG))
continue;
/* Must avoid warning by checking explicit NULL. */
xmlr_attr( node, "name", buf );
if (buf == NULL)
continue;
/* Load next tech. */
for (i=0; i<s; i++) {
tech = &tech_groups[i];
if (strcmp(tech->name, buf)==0)
tech_parseNodeData( tech, node );
}
/* Free memory. */
free(buf);
} while (xml_nextNode(node));
/* Info. */
DEBUG("Loaded %d tech group%s", s, (s == 1) ? "" : "s" );
/* Free memory. */
free(data);
xmlFreeDoc(doc);
return 0;
}
