search recursively for named node (i.e. one with matching <name> child);

should probably move to fg_props.cxx

diff --git a/src/ATC/ATCDialog.cxx b/src/ATC/ATCDialog.cxx
index def15c132252e85020fc3a8fb6271cbc25eb2784..58f1ceba4c27ee089bf92682253a2ea024c9185b 100644 (file)
--- a/src/ATC/ATCDialog.cxx
+++ b/src/ATC/ATCDialog.cxx
@@ -71,14 +71,18 @@ static void atcUppercase(string &s) {
 }
 
 // find child whose <name>...</name> entry matches 'name'
-static SGPropertyNode_ptr namedNode(const vector<SGPropertyNode_ptr> &children, const char *name) {
-       SGPropertyNode_ptr ret;
-       for (int i = 0; i < children.size(); i++)
-               if (!strcmp(children[i]->getStringValue("name"), name)) {
-                       ret = children[i];
-                       break;
-               }
-       return ret;
+static SGPropertyNode *getNamedNode(SGPropertyNode *prop, const char *name) {
+       SGPropertyNode* p;
+
+       for (int i = 0; i < prop->nChildren(); i++)
+               if ((p = getNamedNode(prop->getChild(i), name)))
+                       return p;
+
+
+       if (!strcmp(prop->getStringValue("name"), name))
+               return prop;
+
+       return 0;
 }
 
 
@@ -192,7 +196,7 @@ void FGATCDialog::PopupDialog() {
 
        _gui->closeDialog(dialog_name);
 
-       SGPropertyNode_ptr button_group = namedNode(dlg->getChildren("group"), "transmission-choice");
+       SGPropertyNode_ptr button_group = getNamedNode(dlg, "transmission-choice");
        // remove all transmission buttons
        button_group->removeChildren("button", false);
 
@@ -303,7 +307,7 @@ void FGATCDialog::FreqDialog() {
 
        _gui->closeDialog(dialog_name);
 
-       SGPropertyNode_ptr button_group = namedNode(dlg->getChildren("group"), "quick-buttons");
+       SGPropertyNode_ptr button_group = getNamedNode(dlg, "quick-buttons");
        // remove all dynamic ATC buttons
        button_group->removeChildren("button", false);
 
@@ -340,7 +344,7 @@ void FGATCDialog::FreqDialog() {
        }
 
        // (un)hide message saying no things in range
-       SGPropertyNode_ptr range_error = namedNode(dlg->getChildren("text"), "no-atc-in-range");
+       SGPropertyNode_ptr range_error = getNamedNode(dlg, "no-atc-in-range");
        range_error->setBoolValue("hide", num_stat);
 
        _gui->showDialog(dialog_name);
@@ -354,7 +358,7 @@ void FGATCDialog::FreqDisplay(string& ident) {
 
        _gui->closeDialog(dialog_name);
 
-       SGPropertyNode_ptr freq_group = namedNode(dlg->getChildren("group"), "frequency-list");
+       SGPropertyNode_ptr freq_group = getNamedNode(dlg, "frequency-list");
        // remove all frequency entries
        freq_group->removeChildren("group", false);