public IFormElement getChild(FormIndex index) {
IFormElement element = this;
while (index != null && index.isInForm()) {
element = element.getChild(index.getLocalIndex());
index = index.getNextLevel();
}
return element;
}
public void collapseIndex(
FormIndex index, Vector indexes, Vector multiplicities, Vector elements) {
if (!index.isInForm()) {
return;
}
IFormElement element = this;
while (index != null) {
int i = index.getLocalIndex();
element = element.getChild(i);
indexes.addElement(new Integer(i));
multiplicities.addElement(
new Integer(index.getInstanceIndex() == -1 ? 0 : index.getInstanceIndex()));
elements.addElement(element);
index = index.getNextLevel();
}
}
public int compareTo(Object o) {
if (!(o instanceof FormIndex))
throw new IllegalArgumentException(
"Attempt to compare Object of type " + o.getClass().getName() + " to a FormIndex");
FormIndex a = this;
FormIndex b = (FormIndex) o;
if (a.beginningOfForm) {
return (b.beginningOfForm ? 0 : -1);
} else if (a.endOfForm) {
return (b.endOfForm ? 0 : 1);
} else {
// a is in form
if (b.beginningOfForm) {
return 1;
} else if (b.endOfForm) {
return -1;
}
}
if (a.localIndex != b.localIndex) {
return (a.localIndex < b.localIndex ? -1 : 1);
} else if (a.instanceIndex != b.instanceIndex) {
return (a.instanceIndex < b.instanceIndex ? -1 : 1);
} else if ((a.getNextLevel() == null) != (b.getNextLevel() == null)) {
return (a.getNextLevel() == null ? -1 : 1);
} else if (a.getNextLevel() != null) {
return a.getNextLevel().compareTo(b.getNextLevel());
} else {
return 0;
}
// int comp = 0;
//
// //TODO: while(true) loops freak me out, this should probably
// //get written more safely. -ctsims
// while(comp == 0) {
// if(index.isTerminal() != local.isTerminal() ||
// index.getLocalIndex() != local.getLocalIndex() ||
// index.getInstanceIndex() != local.getInstanceIndex()) {
// if(local.localIndex > index.localIndex) {
// return 1;
// } else if(local.localIndex < index.localIndex) {
// return -1;
// } else if (local.instanceIndex > index.instanceIndex) {
// return 1;
// } else if (local.instanceIndex < index.instanceIndex) {
// return -1;
// }
//
// //This case is here as a fallback, but it shouldn't really
// //ever be the case that two references have the same chain
// //of indices without terminating at the same level.
// else if (local.isTerminal() && !index.isTerminal()) {
// return -1;
// } else {
// return 1;
// }
// }
// else if(local.isTerminal()) {
// break;
// }
// local = local.getNextLevel();
// index = index.getNextLevel();
// }
// return comp;
}