@Test
public void testVisitPatternMultipleWithLabels() throws Exception {
TreeWizard wiz = new TreeWizard(adaptor, tokens);
CommonTree t = (CommonTree) wiz.create("(A B C (A[foo] B[bar]) (D (A[big] B[dog])))");
final List<String> elements = new ArrayList<String>();
wiz.visit(
t,
"(%a:A %b:B)",
new TreeWizard.ContextVisitor() {
@Override
public void visit(Object t, Object parent, int childIndex, Map<String, Object> labels) {
elements.add(
adaptor.getText(t)
+ "@"
+ (parent != null ? adaptor.getText(parent) : "nil")
+ "["
+ childIndex
+ "]"
+ labels.get("a")
+ "&"
+ labels.get("b"));
}
});
String found = elements.toString();
String expecting = "[foo@A[2]foo&bar, big@D[0]big&dog]";
assertEquals(expecting, found);
}
@Test
public void testVisitPattern() throws Exception {
TreeWizard wiz = new TreeWizard(adaptor, tokens);
CommonTree t = (CommonTree) wiz.create("(A B C (A B) D)");
final List<Object> elements = new ArrayList<Object>();
wiz.visit(
t,
"(A B)",
new TreeWizard.Visitor() {
@Override
public void visit(Object t) {
elements.add(t);
}
});
String found = elements.toString();
String expecting = "[A]"; // shouldn't match overall root, just (A B)
assertEquals(expecting, found);
}
@Test
public void testRepeatsVisit2() throws Exception {
TreeWizard wiz = new TreeWizard(adaptor, tokens);
CommonTree t = (CommonTree) wiz.create("(A B (A C B) B D D)");
final List<Object> elements = new ArrayList<Object>();
wiz.visit(
t,
wiz.getTokenType("A"),
new TreeWizard.Visitor() {
@Override
public void visit(Object t) {
elements.add(t);
}
});
String found = elements.toString();
String expecting = "[A, A]";
assertEquals(expecting, found);
}
@Test
public void testVisitPatternMultiple() throws Exception {
TreeWizard wiz = new TreeWizard(adaptor, tokens);
CommonTree t = (CommonTree) wiz.create("(A B C (A B) (D (A B)))");
final List<String> elements = new ArrayList<String>();
wiz.visit(
t,
"(A B)",
new TreeWizard.ContextVisitor() {
@Override
public void visit(Object t, Object parent, int childIndex, Map<String, Object> labels) {
elements.add(
adaptor.getText(t)
+ "@"
+ (parent != null ? adaptor.getText(parent) : "nil")
+ "["
+ childIndex
+ "]");
}
});
String found = elements.toString();
String expecting = "[A@A[2], A@D[0]]"; // shouldn't match overall root, just (A B)
assertEquals(expecting, found);
}
@Test
public void testRepeatsVisitWithNullParentAndContext() throws Exception {
TreeWizard wiz = new TreeWizard(adaptor, tokens);
CommonTree t = (CommonTree) wiz.create("(A B (A C B) B D D)");
final List<String> elements = new ArrayList<String>();
wiz.visit(
t,
wiz.getTokenType("A"),
new TreeWizard.ContextVisitor() {
@Override
public void visit(Object t, Object parent, int childIndex, Map<String, Object> labels) {
elements.add(
adaptor.getText(t)
+ "@"
+ (parent != null ? adaptor.getText(parent) : "nil")
+ "["
+ childIndex
+ "]");
}
});
String found = elements.toString();
String expecting = "[A@nil[0], A@A[1]]";
assertEquals(expecting, found);
}