static gint
default_sort (GNCPrice *price_a, GNCPrice *price_b)
{
gnc_commodity *curr_a, *curr_b;
Timespec ts_a, ts_b;
gint result;
/* Primary sort (i.e. commodity name) handled by the tree structure. */
/* secondary sort: currency */
curr_a = gnc_price_get_currency (price_a);
curr_b = gnc_price_get_currency (price_b);
result = safe_utf8_collate (gnc_commodity_get_namespace (curr_a),
gnc_commodity_get_namespace (curr_b));
if (result != 0) return result;
result = safe_utf8_collate (gnc_commodity_get_mnemonic (curr_a),
gnc_commodity_get_mnemonic (curr_b));
if (result != 0) return result;
/* tertiary sort: time */
ts_a = gnc_price_get_time (price_a);
ts_b = gnc_price_get_time (price_b);
result = timespec_cmp (&ts_a, &ts_b);
if (result)
/* Reverse the result to present the most recent quote first. */
return -result;
/* last sort: value */
return gnc_numeric_compare (gnc_price_get_value (price_a),
gnc_price_get_value (price_b));
}
static xmlNodePtr
gnc_price_to_dom_tree(const xmlChar *tag, GNCPrice *price)
{
xmlNodePtr price_xml;
const gchar *typestr, *sourcestr;
xmlNodePtr tmpnode;
gnc_commodity *commodity;
gnc_commodity *currency;
Timespec timesp;
gnc_numeric value;
if (!(tag && price)) return NULL;
price_xml = xmlNewNode(NULL, tag);
if (!price_xml) return NULL;
commodity = gnc_price_get_commodity(price);
currency = gnc_price_get_currency(price);
if (!(commodity && currency)) return NULL;
tmpnode = guid_to_dom_tree("price:id", gnc_price_get_guid(price));
if (!add_child_or_kill_parent(price_xml, tmpnode)) return NULL;
tmpnode = commodity_ref_to_dom_tree("price:commodity", commodity);
if (!add_child_or_kill_parent(price_xml, tmpnode)) return NULL;
tmpnode = commodity_ref_to_dom_tree("price:currency", currency);
if (!add_child_or_kill_parent(price_xml, tmpnode)) return NULL;
timesp = gnc_price_get_time(price);
tmpnode = timespec_to_dom_tree("price:time", ×p);
if (!add_child_or_kill_parent(price_xml, tmpnode)) return NULL;
sourcestr = gnc_price_get_source(price);
if (sourcestr && (strlen(sourcestr) != 0))
{
tmpnode = text_to_dom_tree("price:source", sourcestr);
if (!add_child_or_kill_parent(price_xml, tmpnode)) return NULL;
}
typestr = gnc_price_get_typestr(price);
if (typestr && (strlen(typestr) != 0))
{
tmpnode = text_to_dom_tree("price:type", typestr);
if (!add_child_or_kill_parent(price_xml, tmpnode)) return NULL;
}
value = gnc_price_get_value(price);
tmpnode = gnc_numeric_to_dom_tree("price:value", &value);
if (!add_child_or_kill_parent(price_xml, tmpnode)) return NULL;
return price_xml;
}
static gint
sort_by_date (GtkTreeModel *f_model,
GtkTreeIter *f_iter_a,
GtkTreeIter *f_iter_b,
gpointer user_data)
{
GNCPrice *price_a, *price_b;
Timespec ts_a, ts_b;
gboolean result;
if (!get_prices (f_model, f_iter_a, f_iter_b, &price_a, &price_b))
return sort_ns_or_cm (f_model, f_iter_a, f_iter_b);
/* sort by time first */
ts_a = gnc_price_get_time (price_a);
ts_b = gnc_price_get_time (price_b);
result = timespec_cmp (&ts_a, &ts_b);
if (result)
/* Reverse the result to present the most recent quote first. */
return -result;
return default_sort (price_a, price_b);
}