static int rule_add(char *lhs, char *rhs)
{
int err= 0;
if(lhs && *lhs)
{
int c;
rule_t **R;
for(R=&rules[0], c= (int)(unsigned char)*lhs; c && (err==0); c= (int)(unsigned char)*++lhs)
{
if( !R[c] )
R[c]= rule_new();
if(R[c])
{
if(lhs[1])
R= R[c]->rules;
else
R[c]->rhs= (rhs ? rhs : ""); /* Fri Feb 24 18:20:39 1995 */
}
else err= 2;
}
}
else err= 1;
return err;
}
rule_t *rule_first(xmlDocPtr doc)
{
xmlNodePtr curNode;
curNode = xmlDocGetRootElement(doc);
if(curNode == NULL) return NULL;
curNode = curNode->xmlChildrenNode;
if(curNode == NULL) return NULL;
curNode = curNode->next; // because curNode is text node \r\t
return rule_new(curNode);
}
rule_t *rule_findby(xmlDocPtr doc,const char *name)
{
xmlXPathContextPtr context;
xmlXPathObjectPtr xpathObj;
context = xmlXPathNewContext(doc);
char path[PATH_SIZE];
snprintf(path, PATH_SIZE, "//rule[@name='%s']", name);
xpathObj = xmlXPathEvalExpression((xmlChar *)path, context);
xmlXPathFreeContext(context);
if(xpathObj == NULL) return NULL;
xmlNodePtr node = xpathObj->nodesetval->nodeTab[0];
return rule_new(node);
}
void
itemset_add_rule (itemSetPtr itemSet,
const gchar *ruleId,
const gchar *value,
gboolean additive)
{
rulePtr rule;
rule = rule_new (ruleId, value, additive);
if (rule)
itemSet->rules = g_slist_append (itemSet->rules, rule);
else
g_warning ("unknown search folder rule id: \"%s\"", ruleId);
}
static void
do_ruletype_changed (struct changeRequest *changeRequest)
{
ruleInfoPtr ruleInfo;
rulePtr rule;
rule = g_object_get_data (G_OBJECT (changeRequest->paramHBox), "rule");
if (rule) {
changeRequest->editor->priv->newRules = g_slist_remove (changeRequest->editor->priv->newRules, rule);
rule_free (rule);
}
ruleInfo = g_slist_nth_data (rule_get_available_rules (), changeRequest->rule);
rule = rule_new (ruleInfo->ruleId, "", TRUE);
changeRequest->editor->priv->newRules = g_slist_append (changeRequest->editor->priv->newRules, rule);
rule_editor_setup_widgets (changeRequest, rule);
}
void
rule_editor_add_rule (RuleEditor *re, rulePtr rule)
{
GSList *ruleIter;
GtkWidget *hbox, *hbox2, *widget;
GtkListStore *store;
struct changeRequest *changeRequest, *selected = NULL;
gint i = 0, active = 0;
hbox = gtk_hbox_new (FALSE, 2); /* hbox to contain all rule widgets */
hbox2 = gtk_hbox_new (FALSE, 2); /* another hbox where the rule specific widgets are added */
/* set up the rule type selection popup */
store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_POINTER);
ruleIter = rule_get_available_rules ();
while (ruleIter) {
ruleInfoPtr ruleInfo = (ruleInfoPtr)ruleIter->data;
GtkTreeIter iter;
/* we add a change request to each popup option */
changeRequest = g_new0 (struct changeRequest, 1);
changeRequest->paramHBox = hbox2;
changeRequest->rule = i;
changeRequest->editor = re;
if (0 == i)
selected = changeRequest;
/* build the menu option */
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter, 0, ruleInfo->title, 1, changeRequest, -1);
if (rule) {
if (ruleInfo == rule->ruleInfo) {
selected = changeRequest;
active = i;
}
}
ruleIter = g_slist_next (ruleIter);
i++;
}
widget = gtk_combo_box_new ();
ui_common_setup_combo_text (GTK_COMBO_BOX (widget), 0);
gtk_combo_box_set_model (GTK_COMBO_BOX (widget), GTK_TREE_MODEL (store));
gtk_combo_box_set_active (GTK_COMBO_BOX (widget), active);
g_signal_connect (G_OBJECT (widget), "changed", G_CALLBACK (on_ruletype_changed), NULL);
gtk_box_pack_start (GTK_BOX (hbox), widget, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), hbox2, FALSE, FALSE, 0);
if (!rule) {
/* fake a rule type change to initialize parameter widgets */
do_ruletype_changed (selected);
} else {
rulePtr newRule = rule_new (rule->ruleInfo->ruleId, rule->value, rule->additive);
/* set up widgets with existing rule type and value */
rule_editor_setup_widgets (selected, newRule);
/* add the rule to the list of new rules */
re->priv->newRules = g_slist_append (re->priv->newRules, newRule);
}
/* add remove button */
changeRequest = g_new0 (struct changeRequest, 1);
changeRequest->hbox = hbox;
changeRequest->paramHBox = hbox2;
changeRequest->editor = re;
widget = gtk_button_new_from_stock ("gtk-remove");
gtk_box_pack_end (GTK_BOX (hbox), widget, FALSE, FALSE, 0);
g_signal_connect (G_OBJECT (widget), "clicked", G_CALLBACK (on_ruleremove_clicked), changeRequest);
/* and insert everything in the dialog */
gtk_widget_show_all (hbox);
gtk_box_pack_start (GTK_BOX (re->priv->root), hbox, FALSE, TRUE, 0);
}
