static xmlDocPtr
hwloc__libxml2_prepare_export(hwloc_topology_t topology, unsigned long flags)
{
struct hwloc__xml_export_state_s state;
hwloc__libxml_export_state_data_t data = (void *) state.data;
xmlDocPtr doc = NULL; /* document pointer */
xmlNodePtr root_node = NULL; /* root pointer */
assert(sizeof(*data) <= sizeof(state.data));
LIBXML_TEST_VERSION;
hwloc_libxml2_init_once();
/* Creates a new document, a node and set it as a root node. */
doc = xmlNewDoc(BAD_CAST "1.0");
root_node = xmlNewNode(NULL, BAD_CAST "topology");
xmlDocSetRootElement(doc, root_node);
/* Creates a DTD declaration. Isn't mandatory. */
(void) xmlCreateIntSubset(doc, BAD_CAST "topology", NULL, BAD_CAST "hwloc.dtd");
state.new_child = hwloc__libxml_export_new_child;
state.new_prop = hwloc__libxml_export_new_prop;
state.add_content = hwloc__libxml_export_add_content;
state.end_object = hwloc__libxml_export_end_object;
data->current_node = root_node;
hwloc__xml_export_topology (&state, topology, flags);
return doc;
}
static size_t
hwloc___nolibxml_prepare_export(hwloc_topology_t topology, struct hwloc__xml_export_data_s *edata,
char *xmlbuffer, int buflen, unsigned long flags)
{
struct hwloc__xml_export_state_s state, childstate;
hwloc__nolibxml_export_state_data_t ndata = (void *) &state.data;
int v1export = flags & HWLOC_TOPOLOGY_EXPORT_XML_FLAG_V1;
int res;
HWLOC_BUILD_ASSERT(sizeof(*ndata) <= sizeof(state.data));
state.new_child = hwloc__nolibxml_export_new_child;
state.new_prop = hwloc__nolibxml_export_new_prop;
state.add_content = hwloc__nolibxml_export_add_content;
state.end_object = hwloc__nolibxml_export_end_object;
state.global = edata;
ndata->indent = 0;
ndata->written = 0;
ndata->buffer = xmlbuffer;
ndata->remaining = buflen;
ndata->nr_children = 1; /* don't close a non-existing previous tag when opening the topology tag */
ndata->has_content = 0;
res = hwloc_snprintf(ndata->buffer, ndata->remaining,
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<!DOCTYPE topology SYSTEM \"%s\">\n", v1export ? "hwloc.dtd" : "hwloc2.dtd");
hwloc__nolibxml_export_update_buffer(ndata, res);
hwloc__nolibxml_export_new_child(&state, &childstate, "topology");
if (!(flags & HWLOC_TOPOLOGY_EXPORT_XML_FLAG_V1))
hwloc__nolibxml_export_new_prop(&childstate, "version", "2.0");
hwloc__xml_export_topology (&childstate, topology, flags);
hwloc__nolibxml_export_end_object(&childstate, "topology");
return ndata->written+1; /* ending \0 */
}
