static xmlDocPtr
hwloc__libxml2_prepare_export_diff(hwloc_topology_diff_t diff, const char *refname)
{
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 "topologydiff");
if (refname)
xmlNewProp(root_node, BAD_CAST "refname", BAD_CAST refname);
xmlDocSetRootElement(doc, root_node);
/* Creates a DTD declaration. Isn't mandatory. */
(void) xmlCreateIntSubset(doc, BAD_CAST "topologydiff", 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_diff (&state, diff);
return doc;
}
static size_t
hwloc___nolibxml_prepare_export_diff(hwloc_topology_diff_t diff, const char *refname, char *xmlbuffer, int buflen)
{
struct hwloc__xml_export_state_s state, childstate;
hwloc__nolibxml_export_state_data_t ndata = (void *) &state.data;
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 = NULL;
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 topologydiff SYSTEM \"hwloc2-diff.dtd\">\n");
hwloc__nolibxml_export_update_buffer(ndata, res);
hwloc__nolibxml_export_new_child(&state, &childstate, "topologydiff");
if (refname)
hwloc__nolibxml_export_new_prop(&childstate, "refname", refname);
hwloc__xml_export_diff (&childstate, diff);
hwloc__nolibxml_export_end_object(&childstate, "topologydiff");
return ndata->written+1;
}